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Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

Smith Newton Vehicle Performance Evaluation - Cumulative (Brochure)  

SciTech Connect (OSTI)

The Fleet Test and Evaluation Team at the U.S. Department of Energy's National Renewable Energy Laboratory is evaluating and documenting the performance of electric and plug-in hybrid electric drive systems in medium-duty trucks across the nation. U.S. companies participating in this evaluation project received funding from the American Recovery and Reinvestment Act to cover part of the cost of purchasing these vehicles. Through this project, Smith Electric Vehicles is building and deploying 500 all-electric medium-duty trucks that will be deployed by a variety of companies in diverse climates across the country.

Not Available

2014-08-01T23:59:59.000Z

2

Navistar eStar Vehicle Performance Evaluation - Cumulative (Brochure)  

SciTech Connect (OSTI)

The Fleet Test and Evaluation Team at the U.S. Department of Energy's National Renewable Energy Laboratory is evaluating and documenting the performance of electric and plug-in hybrid electric drive systems in medium duty trucks across the nation. U.S. companies participating in this evaluation project received funding from the American Recovery and Reinvestment Act to cover part of the cost of purchasing these vehicles. Through this project, Navistar will build and deploy all-electric medium-duty trucks. The trucks will be deployed in diverse climates across the country.

Not Available

2014-08-01T23:59:59.000Z

3

Smith Newton Vehicle Performance Evaluation - Gen 2 - Cumulative (Brochure)  

SciTech Connect (OSTI)

The Fleet Test and Evaluation Team at the U.S. Department of Energy's National Renewable Energy Laboratory is evaluating and documenting the performance of electric and plug-in hybrid electric drive systems in medium-duty trucks across the nation. U.S. companies participating in this evaluation project received funding from the American Recovery and Reinvestment Act to cover part of the cost of purchasing these vehicles. Through this project, Smith Electric Vehicles is building and deploying 500 all-electric medium-duty trucks that will be deployed by a variety of companies in diverse climates across the country.

Not Available

2014-08-01T23:59:59.000Z

4

Probability, conditional probability and complementary cumulative distribution functions in performance assessment for radioactive waste disposal  

SciTech Connect (OSTI)

A formal description of the structure of several recent performance assessments (PAs) for the Waste Isolation Pilot Plant (WIPP) is given in terms of the following three components: a probability space (S{sub st}, S{sub st}, p{sub st}) for stochastic uncertainty, a probability space (S{sub su}, S{sub su}, p{sub su}) for subjective uncertainty and a function (i.e., a random variable) defined on the product space associated with (S{sub st}, S{sub st}, p{sub st}) and (S{sub su}, S{sub su}, p{sub su}). The explicit recognition of the existence of these three components allows a careful description of the use of probability, conditional probability and complementary cumulative distribution functions within the WIPP PA. This usage is illustrated in the context of the U.S. Environmental Protection Agency`s standard for the geologic disposal of radioactive waste (40 CFR 191, Subpart B). The paradigm described in this presentation can also be used to impose a logically consistent structure on PAs for other complex systems.

Helton, J.C. [Arizona State Univ., Tempe, AZ (United States)

1996-03-01T23:59:59.000Z

5

Performing a local barrier operation  

DOE Patents [OSTI]

Performing a local barrier operation with parallel tasks executing on a compute node including, for each task: retrieving a present value of a counter; calculating, in dependence upon the present value of the counter and a total number of tasks performing the local barrier operation, a base value of the counter, the base value representing the counter's value prior to any task joining the local barrier; calculating, in dependence upon the base value and the total number of tasks performing the local barrier operation, a target value, the target value representing the counter's value when all tasks have joined the local barrier; joining the local barrier, including atomically incrementing the value of the counter; and repetitively, until the present value of the counter is no less than the target value of the counter: retrieving the present value of the counter and determining whether the present value equals the target value.

Archer, Charles J; Blocksome, Michael A; Ratterman, Joseph D; Smith, Brian E

2014-03-04T23:59:59.000Z

6

Performing a local barrier operation  

DOE Patents [OSTI]

Performing a local barrier operation with parallel tasks executing on a compute node including, for each task: retrieving a present value of a counter; calculating, in dependence upon the present value of the counter and a total number of tasks performing the local barrier operation, a base value, the base value representing the counter's value prior to any task joining the local barrier; calculating, in dependence upon the base value and the total number of tasks performing the local barrier operation, a target value of the counter, the target value representing the counter's value when all tasks have joined the local barrier; joining the local barrier, including atomically incrementing the value of the counter; and repetitively, until the present value of the counter is no less than the target value of the counter: retrieving the present value of the counter and determining whether the present value equals the target value.

Archer, Charles J; Blocksome, Michael A; Ratterman, Joseph D; Smith, Brian E

2014-03-04T23:59:59.000Z

7

DOE High Performance Computing Operational Review  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Forward Private Sector Partnerships MANTISSA Home R & D HPCOR DOE High Performance Computing Operational Review (HPCOR) All logos Enabling Data-Driven Scientific...

8

Improving Unit Operations-Test Station Performance  

E-Print Network [OSTI]

IMPROVING UNIT OPERATIONS - TEST STATION PERFORMANCE JosqIb 1. Filak. Jr, ? Corporate Energy Manager. Park.er?Hannafin COfpontioo- Cleveland. Oh ABSTRACT: This program's basic concept deals with the possibilities for reducing energy efficiency... requirements, control operation test performance functions more successfully, and retain peak load surges from reaching higher utility rate expense levels. 142 ESL-IE-95-04-23 Proceedings from the Seventeenth Industrial Energy Technology Conference...

Filak, J. J. Jr.

9

Performing an allreduce operation using shared memory  

DOE Patents [OSTI]

Methods, apparatus, and products are disclosed for performing an allreduce operation using shared memory that include: receiving, by at least one of a plurality of processing cores on a compute node, an instruction to perform an allreduce operation; establishing, by the core that received the instruction, a job status object for specifying a plurality of shared memory allreduce work units, the plurality of shared memory allreduce work units together performing the allreduce operation on the compute node; determining, by an available core on the compute node, a next shared memory allreduce work unit in the job status object; and performing, by that available core on the compute node, that next shared memory allreduce work unit.

Archer, Charles J. (Rochester, MN); Dozsa, Gabor (Ardsley, NY); Ratterman, Joseph D. (Rochester, MN); Smith, Brian E. (Rochester, MN)

2012-04-17T23:59:59.000Z

10

Performing process migration with allreduce operations  

DOE Patents [OSTI]

Compute nodes perform allreduce operations that swap processes at nodes. A first allreduce operation generates a first result and uses a first process from a first compute node, a second process from a second compute node, and zeros from other compute nodes. The first compute node replaces the first process with the first result. A second allreduce operation generates a second result and uses the first result from the first compute node, the second process from the second compute node, and zeros from others. The second compute node replaces the second process with the second result, which is the first process. A third allreduce operation generates a third result and uses the first result from first compute node, the second result from the second compute node, and zeros from others. The first compute node replaces the first result with the third result, which is the second process.

Archer, Charles Jens (Rochester, MN); Peters, Amanda (Rochester, MN); Wallenfelt, Brian Paul (Plymouth, MN)

2010-12-14T23:59:59.000Z

11

Performance of solid oxide fuel cells operated with coal syngas...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Performance of solid oxide fuel cells operated with coal syngas provided directly from a gasification process. Performance of solid oxide fuel cells operated with coal syngas...

12

Direct releases to the surface and associated complementary cumulative distribution functions in the 1996 performance assessment for the Waste Isolation Pilot Plant: Cuttings, cavings and spallings  

SciTech Connect (OSTI)

The following topics related to the treatment of cuttings, cavings and spallings releases to the surface environment in the 1996 performance assessment for the Waste Isolation Pilot Plant (WIPP) are presented: (1) mathematical description of models. (2) uncertainty and sensitivity analysis results arising from subjective (i.e., epistemic) uncertainty for individual releases, (3) construction of complementary cumulative distribution functions (CCDFs) arising from stochastic (i.e., aleatory) uncertainty, and (4) uncertainty and sensitivity analysis results for CCDFs. The presented results indicate that direct releases due to cuttings, cavings and spallings do not constitute a serious threat to the effectiveness of the WIPP as a disposal facility for transuranic waste. Even when the effects of uncertain analysis inputs are taken into account, the CCDFs for cuttings, cavings and spallings releases fall substantially to the left of the boundary line specified in the US Environmental Protection Agency standard for the geologic disposal of radioactive waste (40 CFR 191, 40 CFR 194).

BERGLUND,J.W.; GARNER,J.W.; HELTON,JON CRAIG; JOHNSON,J.D.; SMITH,L.N.; ANDERSON,R.P.

2000-05-22T23:59:59.000Z

13

Direct releases to the surface and associated complementary cumulative distribution functions in the 1996 performance assessments for the Waste Isolation Pilot Plant: Direct brine release  

SciTech Connect (OSTI)

The following topics related to the treatment of direct brine releases to the surface environment in the 1996 performance assessment for the Waste Isolation Pilot Plant (WIPP) are presented (1) mathematical description of models, (2) uncertainty and sensitivity analysis results arising from subjective (i.e., epistemic) uncertainty for individual releases, (3) construction of complementary cumulative distribution functions (CCDFs) arising from stochastic (i.e., aleatory) uncertainty, and (4) uncertainty and sensitivity analysis results for CCDFs. The presented analyses indicate that direct brine releases do not constitute a serious threat to the effectiveness of the WIPP as a disposal facility for transuranic waste. Even when the effects of uncertain analysis inputs are taken into account, the CCDFs for direct brine releases fall substantially to the left of the boundary line specified in the US Environmental Protection Agency's standard for the geologic disposal of radioactive waste (4O CFR 191.40 CFR 194).

STOELZEL,D.M.; O'BRIEN,D.G.; GARNER,J.W.; HELTON,JON CRAIG; JOHNSON,J.D.; SCOTT,L.N.

2000-05-19T23:59:59.000Z

14

Orbital-optimized density cumulant functional theory  

SciTech Connect (OSTI)

In density cumulant functional theory (DCFT) the electronic energy is evaluated from the one-particle density matrix and two-particle density cumulant, circumventing the computation of the wavefunction. To achieve this, the one-particle density matrix is decomposed exactly into the mean-field (idempotent) and correlation components. While the latter can be entirely derived from the density cumulant, the former must be obtained by choosing a specific set of orbitals. In the original DCFT formulation [W. Kutzelnigg, J. Chem. Phys. 125, 171101 (2006)] the orbitals were determined by diagonalizing the effective Fock operator, which introduces partial orbital relaxation. Here we present a new orbital-optimized formulation of DCFT where the energy is variationally minimized with respect to orbital rotations. This introduces important energy contributions and significantly improves the description of the dynamic correlation. In addition, it greatly simplifies the computation of analytic gradients, for which expressions are also presented. We offer a perturbative analysis of the new orbital stationarity conditions and benchmark their performance for a variety of chemical systems.

Sokolov, Alexander Yu., E-mail: asokolov@uga.edu; Schaefer, Henry F. [Center for Computational Quantum Chemistry, University of Georgia, Athens, Georgia 30602 (United States)] [Center for Computational Quantum Chemistry, University of Georgia, Athens, Georgia 30602 (United States)

2013-11-28T23:59:59.000Z

15

OPERATOR PERFORMANCE IN LONG DURATION, LOW TASK LOAD CONTROL OPERATIONS  

E-Print Network [OSTI]

and conducted. Overall, 36 participants operated a digital nuclear power plant control workstation simulation In the United States, a major effort is underway to modernize existing nuclear power plants and their control rooms, as well as design new, advanced nuclear power plants. Current control rooms for nuclear power

Cummings, Mary "Missy"

16

CUMULANT VARIETIES Giovanni Pistone  

E-Print Network [OSTI]

CUMULANT VARIETIES Giovanni Pistone Henry P. Wynn Politecnico, Torino, Italy London School: probability, moments, cumulates, variety, ideal, Gr¨obner bases 1. INTRODUCTION In the papers (Pistone and Wynn, 1996), (Pistone et al., 2001b) and the monograph (Pistone et al., 2001a) the basic idea is that

Ceragioli, Francesca

17

Confortable Performance: Retro-Commissioning Building Operations  

E-Print Network [OSTI]

troubleshooting ? New controls strategies ? Equipment schedule optimization ? Comfort improvements 7 ESL-IC-13-10-07 Proceedings of the 13th International Conference for Enhanced Building Operations, Montreal, Quebec, October 8-11, 2013 Tools ? Actuator... Operations, Montreal, Quebec, October 8-11, 2013 Example 1 ? Problem ? Monday morning ?too cold? complaints ? Solution ? Heating system start-up on Sunday at 2:00pm ? RCx Investigation ? Tenant MAU running 24x7 with no heat (space temperature...

Botan, L.

2013-01-01T23:59:59.000Z

18

Performance Indicators and Analysis of Operations Information  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

To identify, monitor, and analyze data that measures the Environment, Safety and Health (ES&H) performance of facilities, programs, and organizations. Cancels DOE 5480.26

1995-09-27T23:59:59.000Z

19

Performance Indicators and Analysis of Operations Information  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

To identify, monitor, and analyze data that measures the Environment, Safety and Health (ES&H) performance of facilities, programs, and organizations. Chg 2, 5-1-96.

1996-05-01T23:59:59.000Z

20

Radionuclide transport in the vicinity of the repository and associated complementary cumulative distribution functions in the 1996 performance assessment for the Waste Isolation Pilot Plant  

SciTech Connect (OSTI)

The following topics related to radionuclide transport in the vicinity of the repository in the 1996 performance assessment for the Waste Isolation Pilot Plant are presented (1) mathematical description of models, (2) uncertainty and sensitivity analysis results arising from subjective (i.e., epistemic) uncertainty for individual releases, (3) construction of complementary cumulative distribution functions (CCDFs) arising from stochastic (i.e., aleatory) uncertainty, and (4) uncertainty and sensitivity analysis results for CCDFs. The presented results indicate that no releases to the accessible environment take place due to radionuclide movement through the anhydrite marker beds, through the Dewey Lake Red Beds or directly to the surface, and also that the releases to the Culebra Dolomite are small. Even when the effects of uncertain analysis inputs are taken into account, the CCDFs for release to the Culebra Dolomite fall to the left of the boundary line specified in the US Environmental Protection Agency's standard for the geologic disposal of radioactive waste (40 CFR 191, 40 CFR 194).

STOCKMAN,CHRISTINE T.; GARNER,J.W.; HELTON,JON CRAIG; JOHNSON,JAY DEAN; SHINTA,A.; SMITH,L.N.

2000-05-22T23:59:59.000Z

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Performance Indicators and Analysis of Operations Information  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

To identify, monitor, and analyze data that measures the Environment, Safety and Health (ES&H) performance of facilities, programs, and organization. Cancels DOE 5480.26. Chg 1, 10-26-95.

1995-09-27T23:59:59.000Z

22

achieving operational performance: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

for nuclear power and conducted. Overall, 36 participants operated a digital nuclear power plant control workstation simulation Cummings, Mary "Missy" 51 Performance...

23

Houston LDAR II network: design, operation, and performance analysis  

E-Print Network [OSTI]

HOUSTON LDAR II NETWORK: DESIGN, OPERATION, AND PERFORMANCE ANALYSIS A Dissertation by BRANDON LEE ELY Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree... of DOCTOR OF PHILOSOPHY August 2008 Major Subject: Atmospheric Sciences HOUSTON LDAR II NETWORK: DESIGN, OPERATION, AND PERFORMANCE ANALYSIS A Dissertation by BRANDON LEE ELY Submitted to the Office of Graduate Studies of Texas A...

Ely, Brandon Lee

2008-10-10T23:59:59.000Z

24

Mars Exploration Rover Mobility and Robotic Arm Operational Performance  

E-Print Network [OSTI]

Mars Exploration Rover Mobility and Robotic Arm Operational Performance Edward Tunstel, Mark collaborative arrangement and the performance enabled by mobility and robotic arm software functionality during the first 90 days of the mission. Mobile traverse distance, accuracy, and rate as well as robotic arm

25

Performance improvement plan use in implementing conduct of operations  

SciTech Connect (OSTI)

The Nuclear Materials Processing and Waste Management and Environmental Restoration Divisions (NMPD/WMER) of the Westinghouse Savannah River Company (WSRC) operate nineteen individual facilities at Savannah River Site (SRS). These facilities produce the fuel and target assemblies for the SRS Reactors: extract Tritium, Plutonium, Uranium and other isotopes from the irradiated fuel and targets; safely store the radioactive waste from ongoing operations; and encapsulate the waste in a final waste form for long term disposal. Continuous improvement in the operation of all facilities and in the conduct of business at SRS is the goal embodied in the NMPD/WMER Performance Improvement Plan (PIP) discussed in this document. The NMPD/WMER PIP is the mechanism used to establish a basis for operations that will lead to achievement of a performance level that will meet or exceed the standards developed and used in the commercial nuclear power industry.

Baumhardt, R.J.

1992-06-01T23:59:59.000Z

26

Performance improvement plan use in implementing conduct of operations  

SciTech Connect (OSTI)

The Nuclear Materials Processing and Waste Management and Environmental Restoration Divisions (NMPD/WMER) of the Westinghouse Savannah River Company (WSRC) operate nineteen individual facilities at Savannah River Site (SRS). These facilities produce the fuel and target assemblies for the SRS Reactors: extract Tritium, Plutonium, Uranium and other isotopes from the irradiated fuel and targets; safely store the radioactive waste from ongoing operations; and encapsulate the waste in a final waste form for long term disposal. Continuous improvement in the operation of all facilities and in the conduct of business at SRS is the goal embodied in the NMPD/WMER Performance Improvement Plan (PIP) discussed in this document. The NMPD/WMER PIP is the mechanism used to establish a basis for operations that will lead to achievement of a performance level that will meet or exceed the standards developed and used in the commercial nuclear power industry.

Baumhardt, R.J.

1992-01-01T23:59:59.000Z

27

Measured Performance of Residential Dehumidifiers Under Cyclic Operation  

SciTech Connect (OSTI)

Residential construction practices are progressing toward higher levels of energy efficiency. A proven strategy to save energy is to simultaneously increase building insulation levels and reduce outdoor air infiltration. Tight homes require intentional mechanical ventilation to ensure healthy indoor air. Overall, this strategy results in a shift in the mix of latent and sensible space conditioning loads, requiring proportionally more moisture to be removed compared to standard homes. There is currently not sufficient information available at a wide enough range of operating points to design dehumidification systems for high performance homes in hot-humid climates. The only industry information available on dehumidifier moisture removal and energy consumption are performance ratings conducted at a single test condition, which does not provide a full representation of dehumidifier operation under real-world conditions. Winkler et al. (2011) developed steady state performance maps to predict dehumidifier performance at a variety of indoor conditions. However, installed heating, ventilating, and air-conditioning (HVAC) equipment rarely operates at steady state. Part load performance testing of residential dehumidifiers is not mandated by current test standards. Therefore, we tested the part load performance of four residential dehumidifiers in the National Renewable Energy Laboratory's (NREL) Advanced HVAC Systems Laboratory . The part load efficiency of each dehumidifier was measured under 13 cycling scenarios, and combined with NREL field data to develop part load fraction (PLF) performance curves under realistic cycling scenarios.

Winkler, J.; Christensen, D.; Tomerlin, J.

2014-01-01T23:59:59.000Z

28

Metrics to Characterize Airport Operational Performance Using Surface Surveillance Data  

E-Print Network [OSTI]

Tower BOS Boston General Edward Lawrence Logan International Airport EDCT Expected Departure Clearance International Airport, and are therefore evaluated and discussed using this airport as an example. These metricsMetrics to Characterize Airport Operational Performance Using Surface Surveillance Data Harshad

Gummadi, Ramakrishna

29

Assessment of operating parameter variation on electrostatic precipitator performance  

E-Print Network [OSTI]

lignite coal were collected and resistivity analysis performed for varying conditions of temperature and humidity. As a result of the laboratory analysis, it was determined that moisture and temperature conditioning of Texas lignite coal fly ash... results. I 5. Sample 8 moisturi ed test results. 57 64 66 69 77 LIST OF FIGURES Figure Lignite coal deposit formations in East Texas. Z. The electrostatic precipitator system 3. Electrostatic precipitator in operation. 4. Electrostatic...

Gunn, Roam Anthony

1974-01-01T23:59:59.000Z

30

U-044: HP Operations Agent and Performance Agent Lets Local Users...  

Broader source: Energy.gov (indexed) [DOE]

4: HP Operations Agent and Performance Agent Lets Local Users Access a Restricted Directory U-044: HP Operations Agent and Performance Agent Lets Local Users Access a Restricted...

31

Performing a scatterv operation on a hierarchical tree network optimized for collective operations  

DOE Patents [OSTI]

Performing a scatterv operation on a hierarchical tree network optimized for collective operations including receiving, by the scatterv module installed on the node, from a nearest neighbor parent above the node a chunk of data having at least a portion of data for the node; maintaining, by the scatterv module installed on the node, the portion of the data for the node; determining, by the scatterv module installed on the node, whether any portions of the data are for a particular nearest neighbor child below the node or one or more other nodes below the particular nearest neighbor child; and sending, by the scatterv module installed on the node, those portions of data to the nearest neighbor child if any portions of the data are for a particular nearest neighbor child below the node or one or more other nodes below the particular nearest neighbor child.

Archer, Charles J; Blocksome, Michael A; Ratterman, Joseph D; Smith, Brian E

2013-10-22T23:59:59.000Z

32

the D0 Luminosity Monitor operations and performance  

SciTech Connect (OSTI)

The D0 Luminosity Monitor (LM) plays a crucial role in D0 physics analyses by providing the normalization for many cross section measurements. The detector consists of two sets of 24 scintillator wedges read out with photomultiplier tubes. The detector is located in the forward regions surrounding the beam pipe, covering a pseudo-rapidity range of 2.7 < |{eta}| < 4.4. The LM is sensitive to a large fraction of the total inelastic cross section and measures the luminosity by counting the number of empty proton-antiproton bunch crossings, using Poisson statistics to extract the instantaneous luminosity. The techniques used to convert the measurements made by the LM into the assessed luminosity will be discussed, as well as the performance and operational details of the detector.

Prewitt, Michelle; /Rice U.

2011-09-01T23:59:59.000Z

33

Inferred performance of surface hydraulic barriers from landfill operational data  

SciTech Connect (OSTI)

There are few published data on the field performance of surface hydraulic barriers (SHBs) used in waste containment or remediation applications. In contrast, operational data for liner systems used beneath landfills are widely available. These data are frequently collected and reported as a facility permit condition. This paper uses leachate collection system (LCS) and leak detection system (LDS) liquid flow rate and chemical quality data collected from modem landfill double-liner systems to infer the likely hydraulic performance of SHBs. Operational data for over 200 waste management unit liner systems are currently being collected and evaluated by the authors as part of an ongoing research investigation for the United States Environmental Protection Agency (USEPA). The top liner of the double-liner system for the units is either a geomembrane (GMB) alone, geomembrane overlying a geosynthetic clay liner (GMB/GCL), or geomembrane overlying a compacted clay liner (GMB/CCL). In this paper, select data from the USEPA study are used to: (i) infer the likely efficiencies of SHBs incorporating GMBs and overlain by drainage layers; and (ii) evaluate the effectiveness of SHBs in reducing water infiltration into, and drainage from, the underlying waste (i.e., source control). SHB efficiencies are inferred from calculated landfill liner efficiencies and then used to estimate average water percolation rates through SHBs as a function of site average annual rainfall. The effectiveness of SHBs for source control is investigated by comparing LCS liquid flow rates for open and closed landfill cells. The LCS flow rates for closed cells are also compared to the estimated average water percolation rates through SHBs presented in the paper.

Gross, B.A. [GeoSyntec Consultants, Austin, TX (United States); Bonaparte, R.; Othman, M.A. [GeoSyntec Consultants, Atlanta, GA (United States)

1997-12-31T23:59:59.000Z

34

WIPP Remote Handled Waste Facility: Performance Dry Run Operations  

SciTech Connect (OSTI)

The Remote Handled (RH) TRU Waste Handling Facility at the Waste Isolation Pilot Plant (WIPP) was recently upgraded and modified in preparation for handling and disposal of RH Transuranic (TRU) waste. This modification will allow processing of RH-TRU waste arriving at the WIPP site in two different types of shielded road casks, the RH-TRU 72B and the CNS 10-160B. Washington TRU Solutions (WTS), the WIPP Management and Operation Contractor (MOC), conducted a performance dry run (PDR), beginning August 19, 2002 and successfully completed it on August 24, 2002. The PDR demonstrated that the RHTRU waste handling system works as designed and demonstrated the handling process for each cask, including underground disposal. The purpose of the PDR was to develop and implement a plan that would define in general terms how the WIPP RH-TRU waste handling process would be conducted and evaluated. The PDR demonstrated WIPP operations and support activities required to dispose of RH-TRU waste in the WIPP underground.

Burrington, T. P.; Britain, R. M.; Cassingham, S. T.

2003-02-24T23:59:59.000Z

35

Reducing power consumption while performing collective operations on a plurality of compute nodes  

DOE Patents [OSTI]

Methods, apparatus, and products are disclosed for reducing power consumption while performing collective operations on a plurality of compute nodes that include: receiving, by each compute node, instructions to perform a type of collective operation; selecting, by each compute node from a plurality of collective operations for the collective operation type, a particular collective operation in dependence upon power consumption characteristics for each of the plurality of collective operations; and executing, by each compute node, the selected collective operation.

Archer, Charles J. (Rochester, MN); Blocksome, Michael A. (Rochester, MN); Peters, Amanda E. (Rochester, MN); Ratterman, Joseph D. (Rochester, MN); Smith, Brian E. (Rochester, MN)

2011-10-18T23:59:59.000Z

36

Matrix multiplication operations with data pre-conditioning in a high performance computing architecture  

DOE Patents [OSTI]

Mechanisms for performing matrix multiplication operations with data pre-conditioning in a high performance computing architecture are provided. A vector load operation is performed to load a first vector operand of the matrix multiplication operation to a first target vector register. A load and splat operation is performed to load an element of a second vector operand and replicating the element to each of a plurality of elements of a second target vector register. A multiply add operation is performed on elements of the first target vector register and elements of the second target vector register to generate a partial product of the matrix multiplication operation. The partial product of the matrix multiplication operation is accumulated with other partial products of the matrix multiplication operation.

Eichenberger, Alexandre E; Gschwind, Michael K; Gunnels, John A

2013-11-05T23:59:59.000Z

37

The effects of variable operation on RO plant performance  

E-Print Network [OSTI]

Optimizations of reverse osmosis (RO) plants typically consider steady state operation of the plant. RO plants are subject to transient factors that may make it beneficial to produce more water at one time than at another. ...

Williams, Christopher Michael, S.M. Massachusetts Institute of Technology

2011-01-01T23:59:59.000Z

38

Design and operating factors that affect waterflood performance in Michigan  

SciTech Connect (OSTI)

Waterflooding started in the carbonate oil reservoirs of the Northern Michigan Saline Niagaran reef trend in 1978 with Shell's Chester 18 Waterflood. Nine projects had been installed by the end of 1981 so that operational results are available to expand and reinforce the reservoir simulation based design and operating program. The small areal size of these pinnacle reef fields, variations in rock quality, and uncertain reservoir continuity have made successful waterflood design difficult to achieve. Some existing wells are being redrilled at the start of a project and others may have to be redrilled later in the life of a waterflood to allow the various porosity zones to be fully exploited within the flood pattern and to maintain adequate well spacing for oil bank formation. The operating strategies for these projects are based upon a reservoir simulation study which stressed increased oil recovery and project economics. One of the most successful of these operational techniques has been the use of high volume submersible pumps to maintain oil production response with increasing volumes of water, to give flexibility to injection pattern design, and to increase ultimate recovery. The mobility ratio in these reservoirs is very favorable so that early water production is due to channelling and, in some cases, bottom water coning rather than fingering. Project monitoring procedures were carefully planned to facilitate project evaluation and changes in operating policy. It is believed that the design and operating policies as developed in this study have continued application for the many waterfloods planned in Northern Michigan and to some extent for projects in other areas.

Tinker, G.E.

1982-09-01T23:59:59.000Z

39

Entropic analysis of a dual-mode scramjet engine for system performance/operability enhancement .  

E-Print Network [OSTI]

??"Recent analytical advances in understanding the performance range (thermodynamic spectrum) for air-breathing engines based upon fundamental second-law considerations have clarified scramjet and ramjet operation, performance,… (more)

Tackett, Regan, 1978-

2007-01-01T23:59:59.000Z

40

Investigation of Fuel Cell System Performance and Operation: A Fuel Cell as a Practical  

E-Print Network [OSTI]

Investigation of Fuel Cell System Performance and Operation: A Fuel Cell as a Practical Distributed of Fuel Cell System Performance and Operation: A Fuel Cell as a Practical Distributed Generator George Research Center program. This report is of work done under the PSERC project "Investigation of Fuel Cell

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Complex matrix multiplication operations with data pre-conditioning in a high performance computing architecture  

DOE Patents [OSTI]

Mechanisms for performing a complex matrix multiplication operation are provided. A vector load operation is performed to load a first vector operand of the complex matrix multiplication operation to a first target vector register. The first vector operand comprises a real and imaginary part of a first complex vector value. A complex load and splat operation is performed to load a second complex vector value of a second vector operand and replicate the second complex vector value within a second target vector register. The second complex vector value has a real and imaginary part. A cross multiply add operation is performed on elements of the first target vector register and elements of the second target vector register to generate a partial product of the complex matrix multiplication operation. The partial product is accumulated with other partial products and a resulting accumulated partial product is stored in a result vector register.

Eichenberger, Alexandre E; Gschwind, Michael K; Gunnels, John A

2014-02-11T23:59:59.000Z

42

A Framework for Human Performance Criteria for Advanced Reactor Operational Concepts  

SciTech Connect (OSTI)

This report supports the determination of new Operational Concept models needed in support of the operational design of new reactors. The objective of this research is to establish the technical bases for human performance and human performance criteria frameworks, models, and guidance for operational concepts for advanced reactor designs. The report includes a discussion of operating principles for advanced reactors, the human performance issues and requirements for human performance based upon work domain analysis and current regulatory requirements, and a description of general human performance criteria. The major findings and key observations to date are that there is some operating experience that informs operational concepts for baseline designs for SFR and HGTRs, with the Experimental Breeder Reactor-II (EBR-II) as a best-case predecessor design. This report summarizes the theoretical and operational foundations for the development of a framework and model for human performance criteria that will influence the development of future Operational Concepts. The report also highlights issues associated with advanced reactor design and clarifies and codifies the identified aspects of technology and operating scenarios.

Jacques V Hugo; David I Gertman; Jeffrey C Joe

2014-08-01T23:59:59.000Z

43

CMS tracking performance results from early LHC operation  

SciTech Connect (OSTI)

The first LHC pp collisions at centre-of-mass energies of 0.9 and 2.36 TeV were recorded by the CMS detector in December 2009. The trajectories of charged particles produced in the collisions were reconstructed using the all-silicon Tracker and their momenta were measured in the 3.8 T axial magnetic field. Results from the Tracker commissioning are presented including studies of timing, efficiency, signal-to-noise, resolution, and ionization energy. Reconstructed tracks are used to benchmark the performance in terms of track and vertex resolutions, reconstruction of decays, estimation of ionization energy loss, as well as identification of photon conversions, nuclear interactions, and heavy-flavour decays.

Khachatryan, Vardan; et al.

2010-11-24T23:59:59.000Z

44

Performance assessment for continuing and future operations at Solid Waste Storage Area 6  

SciTech Connect (OSTI)

This radiological performance assessment for the continued disposal operations at Solid Waste Storage Area 6 (SWSA 6) on the Oak Ridge Reservation (ORR) has been prepared to demonstrate compliance with the requirements of the US DOE. The analysis of SWSA 6 required the use of assumptions to supplement the available site data when the available data were incomplete for the purpose of analysis. Results indicate that SWSA 6 does not presently meet the performance objectives of DOE Order 5820.2A. Changes in operations and continued work on the performance assessment are expected to demonstrate compliance with the performance objectives for continuing operations at the Interim Waste Management Facility (IWMF). All other disposal operations in SWSA 6 are to be discontinued as of January 1, 1994. The disposal units at which disposal operations are discontinued will be subject to CERCLA remediation, which will result in acceptable protection of the public health and safety.

Not Available

1994-02-01T23:59:59.000Z

45

Performing an allreduce operation on a plurality of compute nodes of a parallel computer  

DOE Patents [OSTI]

Methods, apparatus, and products are disclosed for performing an allreduce operation on a plurality of compute nodes of a parallel computer. Each compute node includes at least two processing cores. Each processing core has contribution data for the allreduce operation. Performing an allreduce operation on a plurality of compute nodes of a parallel computer includes: establishing one or more logical rings among the compute nodes, each logical ring including at least one processing core from each compute node; performing, for each logical ring, a global allreduce operation using the contribution data for the processing cores included in that logical ring, yielding a global allreduce result for each processing core included in that logical ring; and performing, for each compute node, a local allreduce operation using the global allreduce results for each processing core on that compute node.

Faraj, Ahmad (Rochester, MN)

2012-04-17T23:59:59.000Z

46

System dynamics modeling for human performance in nuclear power plant operation  

E-Print Network [OSTI]

Perfect plant operation with high safety and economic performance is based on both good physical design and successful organization. However, in comparison with the affection that has been paid to technology research, the ...

Chu, Xinyuan

2006-01-01T23:59:59.000Z

47

OPERATIONAL PERFORMANCES DEMONSTRATION OF POLYMER-CERAMIC EMBEDDED CAPACITORS FOR MMIC APPLICATIONS  

E-Print Network [OSTI]

coefficient and the thermal conductivity between the ceramic dielectric, the terminations, the solderOPERATIONAL PERFORMANCES DEMONSTRATION OF POLYMER- CERAMIC EMBEDDED CAPACITORS FOR MMIC candidates for dielectric materials applied for embedded passives are polymer- ceramic nanocomposites

Boyer, Edmond

48

Principal-agent alignment and relational incentive contracts in high-performance service operations  

E-Print Network [OSTI]

This thesis focuses on the creation of a high-performance service operations organization. As organizations increasingly compete on service quality, increased attention has been given to measuring, tracking, and improving ...

Doss, Ryan Garrett

2014-01-01T23:59:59.000Z

49

Performing an allreduce operation on a plurality of compute nodes of a parallel computer  

DOE Patents [OSTI]

Methods, apparatus, and products are disclosed for performing an allreduce operation on a plurality of compute nodes of a parallel computer, each node including at least two processing cores, that include: performing, for each node, a local reduction operation using allreduce contribution data for the cores of that node, yielding, for each node, a local reduction result for one or more representative cores for that node; establishing one or more logical rings among the nodes, each logical ring including only one of the representative cores from each node; performing, for each logical ring, a global allreduce operation using the local reduction result for the representative cores included in that logical ring, yielding a global allreduce result for each representative core included in that logical ring; and performing, for each node, a local broadcast operation using the global allreduce results for each representative core on that node.

Faraj, Ahmad

2013-02-12T23:59:59.000Z

50

Wind-To-Hydrogen Project: Operational Experience, Performance Testing, and Systems Integration  

SciTech Connect (OSTI)

The Wind2H2 system is fully functional and continues to gather performance data. In this report, specifications of the Wind2H2 equipment (electrolyzers, compressor, hydrogen storage tanks, and the hydrogen fueled generator) are summarized. System operational experience and lessons learned are discussed. Valuable operational experience is shared through running, testing, daily operations, and troubleshooting the Wind2H2 system and equipment errors are being logged to help evaluate the reliability of the system.

Harrison, K. W.; Martin, G. D.; Ramsden, T. G.; Kramer, W. E.; Novachek, F. J.

2009-03-01T23:59:59.000Z

51

Performance assessment for continuing and future operations at solid waste storage area 6  

SciTech Connect (OSTI)

This revised performance assessment (PA) for the continued disposal operations at Solid Waste Storage Area (SWSA) 6 on the Oak Ridge Reservation (ORR) has been prepared to demonstrate compliance with the performance objectives for low-level radioactive waste (LLW) disposal contained in the US Department of Energy (DOE) Order 5820.2A. This revised PA considers disposal operations conducted from September 26, 1988, through the projects lifetime of the disposal facility.

NONE

1997-09-01T23:59:59.000Z

52

Performing an allreduce operation on a plurality of compute nodes of a parallel computer  

DOE Patents [OSTI]

Methods, apparatus, and products are disclosed for performing an allreduce operation on a plurality of compute nodes of a parallel computer, each node including at least two processing cores, that include: establishing, for each node, a plurality of logical rings, each ring including a different set of at least one core on that node, each ring including the cores on at least two of the nodes; iteratively for each node: assigning each core of that node to one of the rings established for that node to which the core has not previously been assigned, and performing, for each ring for that node, a global allreduce operation using contribution data for the cores assigned to that ring or any global allreduce results from previous global allreduce operations, yielding current global allreduce results for each core; and performing, for each node, a local allreduce operation using the global allreduce results.

Faraj, Ahmad

2013-07-09T23:59:59.000Z

53

Enhanced Component Performance Study: Motor-Operated Valves 1998–2012  

SciTech Connect (OSTI)

This report presents an enhanced performance evaluation of motor-operated valves (MOVs) at U.S. commercial nuclear power plants. The data used in this study are based on the operating experience failure reports from fiscal year 1998 through 2012 for the component reliability as reported in the Equipment Performance and Information Exchange (EPIX). The MOV failure modes considered are failure to open/close, failure to operate or control, and spurious operation. The component reliability estimates and the reliability data are trended for the most recent 10-year period while yearly estimates for reliability are provided for the entire active period. No statistically significant increasing trends were identified in the MOV results. Statistically significant decreasing trends were identified for failure to open/close and operation demands.

T. E. Wierman

2013-10-01T23:59:59.000Z

54

New source performance standards for industrial boilers. Volume 2. Review of industry operating practices  

SciTech Connect (OSTI)

The applicability is evaluated of several possible versions of a revised New Source Performance Standards (NSPS) for industrial boilers to boilers that are operated according to typical industry practices. A survey of operating practices is presented, and it is concluded that an NSPS that includes too high a percent removal requirement for SO/sub 2/ (90%) might be excessively costly and cause operating problems for the industrial operator. More field evaluations of low excess air and low Btu gasification are required to validate these techniques for pollution control under industrial boiler operating conditions. The cost of two small boilers with no SO/sub 2/ controls was less than one large boiler of twice the capacity with SO/sub 2/ controls. The annual cost of operating and maintaining the control system accounted for the difference.

Bryan, R.J.; Weisenberg, I.J.; Wilson, K.

1980-09-01T23:59:59.000Z

55

Cumulative Probability of Blast Fragmentation Effect  

E-Print Network [OSTI]

This paper presents formulae for calculation of cumulative probability of effect made by blast fragments. Analysis with Mott distribution, discrete fragment enumeration, spatial non-uniformity, numerical issues, and a generalisation for a set of effects are also discussed.

Oleg Mazonka

2013-04-05T23:59:59.000Z

56

Cumulative Probability of Blast Fragmentation Effect  

E-Print Network [OSTI]

This paper presents formulae for calculation of cumulative probability of effect made by blast fragments. Analysis with Mott distribution, discrete fragment enumeration, spatial non-uniformity, numerical issues, and a generalisation for a set of effects are also discussed.

Mazonka, Oleg

2013-01-01T23:59:59.000Z

57

A survey of HVDC operating and maintenance practices and their impact on reliability and performance  

SciTech Connect (OSTI)

A questionnaire about operating, maintenance, and spare parts practices and station performance was sent to all HVDC converter stations worldwide. This survey is sponsored by IEEE Working Groups 15.05.08, Economics and Operating Strategies, and I7, Reliability of HVDC Converter Stations. Responses from 38 stations are analyzed, and information bout the most popular practices is reported. One important conclusion is that energy contracts, ac system constraints, and dedicated generation frequency have strong influences on the operation and maintenance practices of HVDC stations. A search is made for correlations between the operating, maintenance, and spare parts practices, including spending, and the stations` performance and availability. No conclusions about the most cost-effective practices can be made. The results are compared with those of a study published in 1992 which covered a few of the same topics.

Cochrane, J.J.; Emerson, M.P. [New England Power Co., Ayer, MA (United States)] [New England Power Co., Ayer, MA (United States); Donahue, J.A. [New England Power Service Co., Westborough, MA (United States)] [New England Power Service Co., Westborough, MA (United States); Wolf, G. [Public Service of New Mexico, Albuquerque, NM (United States)] [Public Service of New Mexico, Albuquerque, NM (United States)

1996-01-01T23:59:59.000Z

58

Cumulative Federal Payments to OE Recovery Act Recipients, through...  

Broader source: Energy.gov (indexed) [DOE]

September 30, 2014 Cumulative Federal Payments to OE Recovery Act Recipients, through September 30, 2014 Cumulative Federal Payments to OE Recovery Act Recipients, through...

59

Cumulative Federal Payments to OE Recovery Act Recipients, through...  

Broader source: Energy.gov (indexed) [DOE]

3 Cumulative Federal Payments to OE Recovery Act Recipients, through June 30, 2013 Graph of cumulative Federal Payments to OE Recovery Act Recipients, through June 30, 2013. OE...

60

Cumulative Federal Payments to OE Recovery Act Recipients, through...  

Broader source: Energy.gov (indexed) [DOE]

4 Cumulative Federal Payments to OE Recovery Act Recipients, through June 30, 2014 Cumulative Federal Payments to OE Recovery Act Recipients, through June 30, 2014. OE ARRA...

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

The Application of Performance Assessment to Make Regulatory and Operational Changes in an Operating Nuclear Waste Repository  

SciTech Connect (OSTI)

This paper describes how performance assessment (PA) is used to support changes to the regulatory basis of the Waste Isolation Pilot Plant (WIPP). The WIPP, located near Carlsbad, New Mexico is operated by the U.S. Department of Energy (DOE) as the nation's only deep geologic repository for the disposal of transuranic nuclear waste. In 1998, the Environmental Protection Agency (EPA) certified that the WIPP met the performance requirements of 40 CFR Part 191, Environmental Radiation Protection Standards for Management and Disposal of Spent Nuclear Fuel, High-Level and Transuranic Radioactive Wastes. A PA analysis of long term (10,000 year) repository performance successfully demonstrated that the probability and consequences of potential long-term releases of radionuclides to the accessible environment would be well below the established limits. These results were key in obtaining WIPP's initial certification, allowing the first shipment and disposal of nuclear waste in March of 1999. As disposal operations have taken place over the last eight years, changes have been identified in the regulatory and operational realms of the facility that would enhance waste disposal efficiency. Such changes, however, cannot be made without prior consent of the EPA. Therefore, changes planned by the DOE must be thoroughly described and supported by varying degrees of the same type of analyses that were conducted to demonstrate the WIPP's containment capabilities as presented in the initial compliance application submitted to EPA in 1996. Such analyses are used to identify the impacts or benefits of implementing the planned change. The DOE has successfully used performance assessment analyses for the approval of changes such as: 1) the disposal of super-compacted waste forms, and; 2) the adoption of new parameters and modeling assumptions In some cases the planned changes are simpler in nature than those listed above, and therefore only require targeted or simplified PA analyses to demonstrate the effect on performance. Targeted analyses have been used to successfully gain approval of the following: 1) a reduction in the amount of magnesium oxide (MgO) chemical buffer backfill that must be emplaced in the repository 2) a change in the repository mining/disposal horizon In addition to these approved changes, the DOE has used PA analyses to support the following planned change requests that await EPA's approval: 1) panel closure redesign 2) further reduction in the MgO-to-waste ratio Finally, this paper will discuss some of the changes that the DOE is currently preparing and plans to submit to the EPA for approval in the near future. This paper will describe how a set of analytical tools initially used to open the WIPP continues to have a role in making the repository more efficient and adaptable as variations in waste streams, operational demands, and other dynamic forces change the operating environment over time. (authors)

Patterson, R. [Department of Energy, Carlsbad Field Office, Carlsbad, NM (United States); Kirkes, R. [John Hart and Associates, P.A., Albuquerque, NM (United States)

2008-07-01T23:59:59.000Z

62

Commissioning, Operation, Real Time Monitoring and Evaluation of Pilot: Achieving Optimal Performance through Building Commissioning  

E-Print Network [OSTI]

BUILDINGS ENERGY EFFICIENCY CONSORTIUM U.S. - CHINA CLEAN ENERGY RESEARCH CENTER (CERC-BEE) E3: Commissioning, Operation, Real Time Monitoring and Evaluation of Pilot Achieving Optimal Performance through Building Commissioning Xiufeng Pang... for the Sustainable performance of Buildings • Xiufeng Pang, Ph.D, P.E. 5 Cx Workshop • Topic Covered • Introduction of building Cx in the U.S., the standards and guidelines • Building enclosure Cx • New building Cx and LEED Cx requirements • Existing building Cx...

Pang,X.; Piette, M.A.; Hao,B.

2014-01-01T23:59:59.000Z

63

Opportunities for Sustainable Design and Operation of Clean Spaces: A Case Study on Minienvironment System Performance  

E-Print Network [OSTI]

opportunities in efficient energy end-use and wise allocation of resources associated with processesLBNL-56312 Opportunities for Sustainable Design and Operation of Clean Spaces: A Case Study on Minienvironment System Performance Tengfang Xu 1. Background In order to identify and pursue energy efficiency

64

1 INTRODUCTION In the performance-based design and operation of  

E-Print Network [OSTI]

1 INTRODUCTION In the performance-based design and operation of modern engineered systems, the accurate assessment of reliability is of paramount importance, particu- larly for civil, nuclear, aerospace and IF: { }1,0n is an indicator function such that IF(x) = 1, if x F and IF(x) = 0, otherwise

Boyer, Edmond

65

Applying lessons learned to enhance human performance and reduce human error for ISS operations  

SciTech Connect (OSTI)

A major component of reliability, safety, and mission success for space missions is ensuring that the humans involved (flight crew, ground crew, mission control, etc.) perform their tasks and functions as required. This includes compliance with training and procedures during normal conditions, and successful compensation when malfunctions or unexpected conditions occur. A very significant issue that affects human performance in space flight is human error. Human errors can invalidate carefully designed equipment and procedures. If certain errors combine with equipment failures or design flaws, mission failure or loss of life can occur. The control of human error during operation of the International Space Station (ISS) will be critical to the overall success of the program. As experience from Mir operations has shown, human performance plays a vital role in the success or failure of long duration space missions. The Department of Energy`s Idaho National Engineering and Environmental Laboratory (INEEL) is developed a systematic approach to enhance human performance and reduce human errors for ISS operations. This approach is based on the systematic identification and evaluation of lessons learned from past space missions such as Mir to enhance the design and operation of ISS. This paper describes previous INEEL research on human error sponsored by NASA and how it can be applied to enhance human reliability for ISS.

Nelson, W.R.

1998-09-01T23:59:59.000Z

66

Performance and endurance of a high temperature PEM fuel cell operated on methanol reformate  

E-Print Network [OSTI]

Performance and endurance of a high temperature PEM fuel cell operated on methanol reformate Samuel September 2014 Available online xxx Keywords: High temperature PEM Fuel cell Methanol Impedance spectroscopy]. The report forecasts even more success for fuel cells in the near future. Proton exchange membrane (PEM) fuel

Kær, Søren Knudsen

67

Design of Automation for Telerobots and the Effect on Performance, Operator Situation Awareness, and  

E-Print Network [OSTI]

Design of Automation for Telerobots and the Effect on Performance, Operator Situation Awareness 30066 ABSTRACT In this article we review and assess human-centered level of automation (LOA), an alternate ap- proach to traditional, technology-centered design of automation in dynamic-control systems

Kaber, David B.

68

ASES Proc. Solar 2010, Phoenix, AZ HIGH PERFORMANCE MSG SATELLITE MODEL FOR OPERATIONAL  

E-Print Network [OSTI]

terrain affects exploitation of solar energy. In this article we present innovative features of MSG area of interest, which extends from North Europe to North Africa. The satellite data calibration© ASES ­ Proc. Solar 2010, Phoenix, AZ HIGH PERFORMANCE MSG SATELLITE MODEL FOR OPERATIONAL SOLAR

Perez, Richard R.

69

Field Operations Program, Toyota PRIUS Hybrid Electric Vehicle Performance Characterization Report  

SciTech Connect (OSTI)

The U.S. Department of Energy’s Field Operations Program evaluates advanced technology vehicles in real-world applications and environments. Advanced technology vehicles include pure electric, hybrid electric, hydrogen, and other vehicles that use emerging technologies such as fuel cells. Information generated by the Program is targeted to fleet managers and others considering the deployment of advanced technology vehicles. As part of the above activities, the Field Operations Program has initiated the testing of the Toyota Prius hybrid electric vehicle (HEV), a technology increasingly being considered for use in fleet applications. This report describes the Pomona Loop testing of the Prius, providing not only initial operational and performance information, but also a better understanding of HEV testing issues. The Pomona Loop testing includes both Urban and Freeway drive cycles, each conducted at four operating scenarios that mix minimum and maximum payloads with different auxiliary (e.g., lights, air conditioning) load levels.

Francfort, James Edward; Nguyen, N.; Phung, J.; Smith, J.; Wehrey, M.

2001-12-01T23:59:59.000Z

70

Enhanced Component Performance Study: Air-Operated Valves 1998–2012  

SciTech Connect (OSTI)

This report presents an enhanced performance evaluation of air-operated valves (AOVs) at U.S. commercial nuclear power plants. The data used in this study are based on the operating experience failure reports from fiscal year 1998 through 2012 for the component reliability as reported in the Equipment Performance and Information Exchange (EPIX). Results (beta distributions for failure probabilities upon demand and gamma distributions for rates) are used as inputs to the U.S. Nuclear Regulatory Commission standardized plant analysis risk models of U.S. commercial nuclear power plants. The AOV failure modes considered are failure-to-open/close, failure to operate or control, and spurious operation. The component reliability estimates and the reliability data are trended for the most recent 10-year period while yearly estimates for reliability are provided for the entire active period. No statistically significant increasing trends were identified in the AOV results. Statistically significant decreasing trends were identified in two areas: AOV operation demands less than or equal to 20 demands per year and greater than 20 demands.

T. E. Wierman

2013-10-01T23:59:59.000Z

71

Modeling and Simulation of HVAC Faulty Operations and Performance Degradation due to Maintenance Issues  

SciTech Connect (OSTI)

Almost half of the total energy used in the U.S. buildings is consumed by heating, ventilation and air conditionings (HVAC) according to EIA statistics. Among various driving factors to energy performance of building, operations and maintenance play a significant role. Many researches have been done to look at design efficiencies and operational controls for improving energy performance of buildings, but very few study the impacts of HVAC systems maintenance. Different practices of HVAC system maintenance can result in substantial differences in building energy use. If a piece of HVAC equipment is not well maintained, its performance will degrade. If sensors used for control purpose are not calibrated, not only building energy usage could be dramatically increased, but also mechanical systems may not be able to satisfy indoor thermal comfort. Properly maintained HVAC systems can operate efficiently, improve occupant comfort, and prolong equipment service life. In the paper, maintenance practices for HVAC systems are presented based on literature reviews and discussions with HVAC engineers, building operators, facility managers, and commissioning agents. We categorize the maintenance practices into three levels depending on the maintenance effort and coverage: 1) proactive, performance-monitored maintenance; 2) preventive, scheduled maintenance; and 3) reactive, unplanned or no maintenance. A sampled list of maintenance issues, including cooling tower fouling, boiler/chiller fouling, refrigerant over or under charge, temperature sensor offset, outdoor air damper leakage, outdoor air screen blockage, outdoor air damper stuck at fully open position, and dirty filters are investigated in this study using field survey data and detailed simulation models. The energy impacts of both individual maintenance issue and combined scenarios for an office building with central VAV systems and central plant were evaluated by EnergyPlus simulations using three approaches: 1) direct modeling with EnergyPlus, 2) using the energy management system feature of EnergyPlus, and 3) modifying EnergyPlus source code. The results demonstrated the importance of maintenance for HVAC systems on energy performance of buildings. The research is intended to provide a guideline to help practitioners and building operators to gain the knowledge of maintaining HVAC systems in efficient operations, and prioritize HVAC maintenance work plan. The paper also discusses challenges of modeling building maintenance issues using energy simulation programs.

Wang, Liping; Hong, Tianzhen

2013-01-01T23:59:59.000Z

72

Palacios and Kitten : high performance operating systems for scalable virtualized and native supercomputing.  

SciTech Connect (OSTI)

Palacios and Kitten are new open source tools that enable applications, whether ported or not, to achieve scalable high performance on large machines. They provide a thin layer over the hardware to support both full-featured virtualized environments and native code bases. Kitten is an OS under development at Sandia that implements a lightweight kernel architecture to provide predictable behavior and increased flexibility on large machines, while also providing Linux binary compatibility. Palacios is a VMM that is under development at Northwestern University and the University of New Mexico. Palacios, which can be embedded into Kitten and other OSes, supports existing, unmodified applications and operating systems by using virtualization that leverages hardware technologies. We describe the design and implementation of both Kitten and Palacios. Our benchmarks show that they provide near native, scalable performance. Palacios and Kitten provide an incremental path to using supercomputer resources that is not performance-compromised.

Widener, Patrick (University of New Mexico); Jaconette, Steven (Northwestern University); Bridges, Patrick G. (University of New Mexico); Xia, Lei (Northwestern University); Dinda, Peter (Northwestern University); Cui, Zheng.; Lange, John (Northwestern University); Hudson, Trammell B.; Levenhagen, Michael J.; Pedretti, Kevin Thomas Tauke; Brightwell, Ronald Brian

2009-09-01T23:59:59.000Z

73

Summary of operations and performance of the Murdock site restoration project in 2008.  

SciTech Connect (OSTI)

This document summarizes the performance of the groundwater and surface water restoration systems installed by the Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) at the former CCC/USDA grain storage facility in Murdock, Nebraska, during the third full year of system operation, from January 1 through December 31, 2008. Performance in June 2005 through December 2007 was reported previously (Argonne 2007, 2008). In the Murdock project, several innovative technologies are being used to remove carbon tetrachloride contamination from a shallow aquifer underlying the town, as well as from water naturally discharged to the surface at the headwaters of a small creek (a tributary to Pawnee Creek) north of the town (Figure 1.1). The restoration activities at Murdock are being conducted by the CCC/USDA as a non-time-critical removal action under the regulatory authority and supervision of the U.S. Environmental Protection Agency (EPA), Region VII. Argonne National Laboratory assisted the CCC/USDA by providing technical oversight for the restoration effort and facilities during this review period. Included in this report are the results of all sampling and monitoring activities performed in accord with the EPA-approved Monitoring Plan for this site (Argonne 2006), as well as additional investigative activities conducted during the review period. The annual performance reports for the Murdock project assemble information that will become part of the five-year review and evaluation of the remediation effort. This review will occur in 2010. This document presents overviews of the treatment facilities (Section 2) and site operations and activities (Section 3), then describes the groundwater, surface water, vegetation, and atmospheric monitoring results (Section 4) and modifications and costs during the review period (Section 5). Section 6 summarizes the current period of operation. A gallery of photographs of the Murdock project is in Appendix A.

LaFreniere, L. M.; Environmental Science Division

2009-06-04T23:59:59.000Z

74

Performance Assessment of Single Electrode-Supported Solid Oxide Cells Operating in the Steam Electrolysis Mode  

SciTech Connect (OSTI)

An experimental study is under way to assess the performance of electrode-supported solid-oxide cells operating in the steam electrolysis mode for hydrogen production. Results presented in this paper were obtained from single cells, with an active area of 16 cm{sup 2} per cell. The electrolysis cells are electrode-supported, with yttria-stabilized zirconia (YSZ) electrolytes ({approx}10 {mu}m thick), nickel-YSZ steam/hydrogen electrodes ({approx}1400 {mu}m thick), and modified LSM or LSCF air-side electrodes ({approx}90 {mu}m thick). The purpose of the present study is to document and compare the performance and degradation rates of these cells in the fuel cell mode and in the electrolysis mode under various operating conditions. Initial performance was documented through a series of voltage-current (VI) sweeps and AC impedance spectroscopy measurements. Degradation was determined through long-term testing, first in the fuel cell mode, then in the electrolysis mode. Results generally indicate accelerated degradation rates in the electrolysis mode compared to the fuel cell mode, possibly due to electrode delamination. The paper also includes details of an improved single-cell test apparatus developed specifically for these experiments.

X. Zhang; J. E. O'Brien; R. C. O'Brien; N. Petigny

2011-11-01T23:59:59.000Z

75

Report on inspection of the performance based incentive program at the Richland Operations Office  

SciTech Connect (OSTI)

The Fiscal Year (FY) 1995 Performance Based Incentive (PBI) Program at the Department of Energy`s (DOE) Richland Operations Office (Richland) was initiated by Richland as one part of the broader DOE Contract Reform Initiative being implemented at the Hanford Site in FY 1995. This program was identified as an area of concern by the Office of Inspections as a result of previous inspection work. Specifically, during a limited review of the construction of an Effluent Treatment Facility at the Hanford Site, we were unable to identify any written policies describing PBI program controls or implementation procedures. We were told that Richland Operations Office Program Management personnel were not directly involved in the selection of the Effluent Treatment Facility project for the PBI Program, or in the determination that this particular PBI would be established with a potential fee of $1 million.

NONE

1997-03-10T23:59:59.000Z

76

Performance of Single Electrode-Supported Cells Operating in the Electrolysis Mode  

SciTech Connect (OSTI)

An experimental study is under way to assess the performance of electrode-supported solid-oxide cells operating in the steam electrolysis mode for hydrogen production over a temperature range of 800 to 900ºC. Results presented in this paper were obtained from single cells, with an active area of 16 cm2 per cell. The electrolysis cells are electrode-supported, with yttria-stabilized zirconia (YSZ) electrolytes (~10 µm thick), nickel-YSZ steam/hydrogen electrodes (~1400 µm thick), and manganite (LSM) air-side electrodes. The experiments were performed over a range of steam inlet mole fractions (0.1 – 0.6), gas flow rates, and current densities (0 to 0.6 A/cm2). Steam consumption rates associated with electrolysis were measured directly using inlet and outlet dewpoint instrumentation. On a molar basis, the steam consumption rate is equal to the hydrogen production rate. Cell performance was evaluated by performing DC potential sweeps at 800, 850, and 900°C. The voltage-current characteristics are presented, along with values of area-specific resistance as a function of current density. Long-term cell performance is also assessed to evaluate cell degradation. Details of the custom single-cell test apparatus developed for these experiments are also presented.

J. E. O'Brien; G. K. Housley; D. G. Milobar

2009-11-01T23:59:59.000Z

77

Modular condenser replacement at ANO-1 solves operating problems and improves performance  

SciTech Connect (OSTI)

After 22 years of operation, the condenser tube bundles and waterboxes at Arkansas Nuclear One, Unit 1 (ANO-1) had deteriorated significantly, impairing operating performance, reducing condenser reliability and increasing maintenance cost. An extensive condition assessment performed in 1995 revealed a 34% wall loss on the original Admiralty tubing and an erosion rate of 1.7% annually. Additionally, Arkansas Nuclear One was considering an 8% power uprate, which would place additional duty on the main condenser. As a result, it was decided to completely reconstruct the four condenser tube bundles serving the two low-pressure turbines at Arkansas Nuclear One. An evaluation of the available condenser tube materials was performed to determine which material was best suited for service in the single pass, single pressure condenser at ANO-1. All copper based materials were excluded from consideration due to the detrimental effect copper has on secondary chemistry and more specifically steam generator integrity. Titanium and a variety of stainless steel materials were evaluated, and ultimately titanium was selected as the replacement condenser tube material for the rebuilt condenser tube bundles due primarily to its corrosion resistance and extensive operating experience in condenser service. An impressed current cathodic protection system and epoxy waterbox coating was also installed to prevent galvanic corrosion of the carbon steel waterboxes. The cathodic protection system included local alarm indication to alert plant operating staff of any system malfunction that could result in titanium hydrating. A comparison of the heat transfer characteristics of the existing condenser design with Admiralty tubes and a new tube bundle design with titanium tubes concluded that a new tube bundle design was required to optimize the condenser performance and accommodate the anticipated 8% power uprate. This paper will discuss the condenser optimization program from the design state to final installation. Further, it was decided to completely shop fabricate these four titanium tube bundles to minimize the site erection schedule. Each bundle measuring over 44 ft. (13.5 m) long, over 13 ft, (4 m) wide, and nearly 18 ft. (5.5 m) tall, weighed 195,000 lbs (88,450 kg). The weight and size of the bundles created a variety of fabrication, transportation and installation challenges that required extensive advanced planning, scheduling and coordination. The complete installation of the redesigned condenser tube bundles and waterboxes was accomplished during the Fourteenth Refueling Outage of ANO-1 in 1997.

Edgell, D.; Davidian, A.

1999-07-01T23:59:59.000Z

78

DOE High Performance Computing Operational Review (HPCOR): Enabling Data-Driven Scientific Discovery at HPC Facilities  

SciTech Connect (OSTI)

U.S. Department of Energy (DOE) High Performance Computing (HPC) facilities are on the verge of a paradigm shift in the way they deliver systems and services to science and engineering teams. Research projects are producing a wide variety of data at unprecedented scale and level of complexity, with community-specific services that are part of the data collection and analysis workflow. On June 18-19, 2014 representatives from six DOE HPC centers met in Oakland, CA at the DOE High Performance Operational Review (HPCOR) to discuss how they can best provide facilities and services to enable large-scale data-driven scientific discovery at the DOE national laboratories. The report contains findings from that review.

Gerber, Richard; Allcock, William; Beggio, Chris; Campbell, Stuart; Cherry, Andrew; Cholia, Shreyas; Dart, Eli; England, Clay; Fahey, Tim; Foertter, Fernanda; Goldstone, Robin; Hick, Jason; Karelitz, David; Kelly, Kaki; Monroe, Laura; Prabhat,; Skinner, David; White, Julia

2014-10-17T23:59:59.000Z

79

Warming caused by cumulative carbon emissions towards the trillionth tonne  

E-Print Network [OSTI]

LETTERS Warming caused by cumulative carbon emissions towards the trillionth tonne Myles R. Allen1 emission pathways. We find that the peak warming caused by a given cumulative carbon dioxide emission of emissions or peak emission rate). Hence policy targets based on limiting cumulative emissions of carbon

Fischlin, Andreas

80

Investigating Operating System Noise in Extreme-Scale High-Performance Computing Systems using Simulation  

SciTech Connect (OSTI)

Hardware/software co-design for future-generation high-performance computing (HPC) systems aims at closing the gap between the peak capabilities of the hardware and the performance realized by applications (application-architecture performance gap). Performance profiling of architectures and applications is a crucial part of this iterative process. The work in this paper focuses on operating system (OS) noise as an additional factor to be considered for co-design. It represents the first step in including OS noise in HPC hardware/software co-design by adding a noise injection feature to an existing simulation-based co-design toolkit. It reuses an existing abstraction for OS noise with frequency (periodic recurrence) and period (duration of each occurrence) to enhance the processor model of the Extreme-scale Simulator (xSim) with synchronized and random OS noise simulation. The results demonstrate this capability by evaluating the impact of OS noise on MPI_Bcast() and MPI_Reduce() in a simulated future-generation HPC system with 2,097,152 compute nodes.

Engelmann, Christian [ORNL

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Job Placement Rate*: 93% (December 2013) Major Admission Requirements: 2.75 cumulative Texas Tech  

E-Print Network [OSTI]

Coopers · Texas Instruments · Valero Energy · USAA CAREERS Systems Development · Systems analysis · InformationJob Placement Rate*: 93% (December 2013) Major Admission Requirements: 2.75 cumulative Texas Tech to Production and Operations Management (FLP) in Spain *Dependent on market conditions and number of graduates

Westfall, Peter H.

82

Neutronics and Fuel Performance Evaluation of Accident Tolerant Fuel under Normal Operation Conditions  

SciTech Connect (OSTI)

This report details the analysis of neutronics and fuel performance analysis for enhanced accident tolerance fuel, with Monte Carlo reactor physics code Serpent and INL’s fuel performance code BISON, respectively. The purpose is to evaluate two of the most promising candidate materials, FeCrAl and Silicon Carbide (SiC), as the fuel cladding under normal operating conditions. Substantial neutron penalty is identified when FeCrAl is used as monolithic cladding for current oxide fuel. From the reactor physics standpoint, application of the FeCrAl alloy as coating layer on surface of zircaloy cladding is possible without increasing fuel enrichment. Meanwhile, SiC brings extra reactivity and the neutron penalty is of no concern. Application of either FeCrAl or SiC could be favorable from the fuel performance standpoint. Detailed comparison between monolithic cladding and hybrid cladding (cladding + coating) is discussed. Hybrid cladding is more practical based on the economics evaluation during the transition from current UO2/zircaloy to Accident Tolerant Fuel (ATF) system. However, a few issues remain to be resolved, such as the creep behavior of FeCrAl, coating spallation, inter diffusion with zirconium, etc. For SiC, its high thermal conductivity, excellent creep resistance, low thermal neutron absorption cross section, irradiation stability (minimal swelling) make it an excellent candidate materials for future nuclear fuel/cladding system.

Xu Wu; Piyush Sabharwall; Jason Hales

2014-07-01T23:59:59.000Z

83

The Effect of Degraded Digital Instrumentation and Control systems on Human-system Interfaces and Operator Performance  

SciTech Connect (OSTI)

Integrated digital instrumentation and control (I&C) systems in new and advanced nuclear power plants (NPPs) will support operators in monitoring and controlling the plants. Even though digital systems typically are expected to be reliable, their potential for degradation or failure significantly could affect the operators performance and, consequently, jeopardize plant safety. This U.S. Nuclear Regulatory Commission (NRC) research investigated the effects of degraded I&C systems on human performance and on plant operations. The objective was to develop technical basis and guidance for human factors engineering (HFE) reviews addressing the operator's ability to detect and manage degraded digital I&C conditions. We reviewed pertinent standards and guidelines, empirical studies, and plant operating experience. In addition, we evaluated the potential effects of selected failure modes of the digital feedwater control system of a currently operating pressurized water reactor (PWR) on human-system interfaces (HSIs) and the operators performance. Our findings indicated that I&C degradations are prevalent in plants employing digital systems, and the overall effects on the plant's behavior can be significant, such as causing a reactor trip or equipment to operate unexpectedly. I&C degradations may affect the HSIs used by operators to monitor and control the plant. For example, deterioration of the sensors can complicate the operators interpretation of displays, and sometimes may mislead them by making it appear that a process disturbance has occurred. We used the findings as the technical basis upon which to develop HFE review guidance.

OHara, J.M.; Gunther, B.; Martinez-Guridi, G. (BNL); Xing, J.; Barnes, V. (NRC)

2010-11-07T23:59:59.000Z

84

Operational, aesthetic, and construction process performance for innovative passive and active solar building components for residential buildings  

E-Print Network [OSTI]

A system-based framework creates the ability to integrate operational, aesthetic, and construction process performance. The framework can be used to evaluate innovations within residential construction. By reducing the ...

Settlemyre, Kevin (Kevin Franklin), 1971-

2000-01-01T23:59:59.000Z

85

Operating Experience Level 3, Laboratory Tests Indicate Conditions that Could Potentially Impact Certain Type of HEPA Filter Performance  

Broader source: Energy.gov [DOE]

OE-3: 2013-02 This Operating Experience Summary provides new information on a potential performance issue associated with certain axial flow high efficiency particulate air (HEPA) filters that do not contain separators in the folded media (separatorless).

86

Work attitudes and intention to quit among workers in private child welfare agencies operating under performance-based contracts  

E-Print Network [OSTI]

Not much is currently known about how employment in child welfare agencies operating under performance-based contracts affects worker attitudes related to retention. This study focuses on the relationship of job satisfaction, ...

Levy, Michelle; Poertner, John; Lieberman, Alice

2012-02-01T23:59:59.000Z

87

A new high performance field reversed configuration operating regime in the C-2 device  

SciTech Connect (OSTI)

Large field reversed configurations (FRCs) are produced in the C-2 device by combining dynamic formation and merging processes. The good confinement of these FRCs must be further improved to achieve sustainment with neutral beam (NB) injection and pellet fuelling. A plasma gun is installed at one end of the C-2 device to attempt electric field control of the FRC edge layer. The gun inward radial electric field counters the usual FRC spin-up and mitigates the n = 2 rotational instability without applying quadrupole magnetic fields. Better plasma centering is also obtained, presumably from line-tying to the gun electrodes. The combined effects of the plasma gun and of neutral beam injection lead to the high performance FRC operating regime, with FRC lifetimes up to 3 ms and with FRC confinement times improved by factors 2 to 4.

Tuszewski, M.; Smirnov, A.; Thompson, M. C.; Barnes, D.; Binderbauer, M. W.; Brown, R.; Bui, D. Q.; Clary, R.; Conroy, K. D.; Deng, B. H.; Dettrick, S. A.; Douglass, J. D.; Garate, E.; Glass, F. J.; Gota, H.; Guo, H.Y.; Gupta, D.; Gupta, S.; Kinley, J. S.; Knapp, K. [Tri Alpha Energy, Inc., P.O. Box 7010, Rancho Santa Margarita, California 92688 (United States); and others

2012-05-15T23:59:59.000Z

88

FREEWAY PERFORMANCE MEASUREMENT SYSTEM (PeMS): AN OPERATIONAL ANALYSIS TOOL  

E-Print Network [OSTI]

and calibrate simulation models. The paper describes the use of PeMS in conducting operational analysis from case studies on conducting freeway operational analyses, bottleneck identification, Level and researchers in conducting freeway operational analyses, bottleneck identification, determining the Level

Varaiya, Pravin

89

Test plan for evaluating the operational performance of the prototype nested, fixed-depth fluidic sampler  

SciTech Connect (OSTI)

The PHMC will provide Low Activity Wastes (LAW) tank wastes for final treatment by a privatization contractor from two double-shell feed tanks, 241-AP-102 and 241-AP-104. Concerns about the inability of the baseline ''grab'' sampling to provide large volume samples within time constraints has led to the development of a nested, fixed-depth sampling system. This sampling system will provide large volume, representative samples without the environmental, radiation exposure, and sample volume impacts of the current base-line ''grab'' sampling method. A plan has been developed for the cold testing of this nested, fixed-depth sampling system with simulant materials. The sampling system will fill the 500-ml bottles and provide inner packaging to interface with the Hanford Sites cask shipping systems (PAS-1 and/or ''safe-send''). The sampling system will provide a waste stream that will be used for on-line, real-time measurements with an at-tank analysis system. The cold tests evaluate the performance and ability to provide samples that are representative of the tanks' content within a 95 percent confidence interval, to sample while mixing pumps are operating, to provide large sample volumes (1-15 liters) within a short time interval, to sample supernatant wastes with over 25 wt% solids content, to recover from precipitation- and settling-based plugging, and the potential to operate over the 20-year expected time span of the privatization contract.

REICH, F.R.

1999-05-18T23:59:59.000Z

90

INFLUENCE OF DESIGN AND OPERATING CONDITIONS ON UNDERFLOOR AIR DISTRIBUTION (UFAD) SYSTEM PERFORMANCE  

E-Print Network [OSTI]

Underfloor Air Distribution (UFAD) Design Guide. Atlanta:to design and operate underfloor air distribution (UFAD)DESIGN AND OPERATING CONDITIONS ON UNDERFLOOR AIR DISTRIBUTION (

2012-01-01T23:59:59.000Z

91

High-Performance Computing for Real-Time Grid Analysis and Operation  

SciTech Connect (OSTI)

Power grids worldwide are undergoing an unprecedented transition as a result of grid evolution meeting information revolution. The grid evolution is largely driven by the desire for green energy. Emerging grid technologies such as renewable generation, smart loads, plug-in hybrid vehicles, and distributed generation provide opportunities to generate energy from green sources and to manage energy use for better system efficiency. With utility companies actively deploying these technologies, a high level of penetration of these new technologies is expected in the next 5-10 years, bringing in a level of intermittency, uncertainties, and complexity that the grid did not see nor design for. On the other hand, the information infrastructure in the power grid is being revolutionized with large-scale deployment of sensors and meters in both the transmission and distribution networks. The future grid will have two-way flows of both electrons and information. The challenge is how to take advantage of the information revolution: pull the large amount of data in, process it in real time, and put information out to manage grid evolution. Without addressing this challenge, the opportunities in grid evolution will remain unfulfilled. This transition poses grand challenges in grid modeling, simulation, and information presentation. The computational complexity of underlying power grid modeling and simulation will significantly increase in the next decade due to an increased model size and a decreased time window allowed to compute model solutions. High-performance computing is essential to enable this transition. The essential technical barrier is to vastly increase the computational speed so operation response time can be reduced from minutes to seconds and sub-seconds. The speed at which key functions such as state estimation and contingency analysis are conducted (typically every 3-5 minutes) needs to be dramatically increased so that the analysis of contingencies is both comprehensive and real time. An even bigger challenge is how to incorporate dynamic information into real-time grid operation. Today’s online grid operation is based on a static grid model and can only provide a static snapshot of current system operation status, while dynamic analysis is conducted offline because of low computational efficiency. The offline analysis uses a worst-case scenario to determine transmission limits, resulting in under-utilization of grid assets. This conservative approach does not necessarily lead to reliability. Many times, actual power grid scenarios are not studied, and they will push the grid over the edge and resulting in outages and blackouts. This chapter addresses the HPC needs in power grid analysis and operations. Example applications such as state estimation and contingency analysis are given to demonstrate the value of HPC in power grid applications. Future research directions are suggested for high performance computing applications in power grids to improve the transparency, efficiency, and reliability of power grids.

Huang, Zhenyu; Chen, Yousu; Chavarría-Miranda, Daniel

2013-10-31T23:59:59.000Z

92

NERSC 2011: High Performance Computing Facility Operational Assessment for the National Energy Research Scientific Computing Center  

E-Print Network [OSTI]

NERSC 2011 High Performance Computing Facility Operationalby providing high-performance computing, information, data,s deep knowledge of high performance computing to overcome

Antypas, Katie

2013-01-01T23:59:59.000Z

93

Multi-Collector Inductively Coupled Plasma Mass Spectrometer – Operational Performance Report  

SciTech Connect (OSTI)

The INL made an assessment of the commercially available inductively coupled plasma mass spectrometers (ICPMS) for actinide analysis; emphasizing low detection limits for plutonium. INL scientists subsequently determined if plutonium was present on a swipe, at a 10 million atom decision level. This report describes the evaluation of ICPMS instruments and the operational testing of a new process for the dissolution, separation and analysis via ICPMS of swipes for plutonium and uranium. The swipe dissolution, plutonium and uranium isolation, separation and purification are wet chemistry methods following established procedures. The ICPMS is a commercially available multi-collector magnetic sector mass spectrometer that utilizes five ion counting detectors operating simultaneously. The instrument includes a sample introduction system allowing for sample volumes of < 1 mL to be reproducibly injected into the instrument with minimal waste of the sample solution, while maximizing the useable signal. The performance of the instrument was measured using SRM 996 (244Pu spike) at concentrations of 12 parts per quadrillion (ppq, fg/mL) and with SRM 4350B Columbia River Sediment samples spiked onto swipes at the 10 million atom level. The measured limit of detection (LOD, defined as 3s) for 239Pu is 310,000 atoms based upon the instrument blank data. The limit of quantification (LOQ defined as 10 s) for 239Pu is 105,000 atoms. The measured limit of detection for 239Pu from the SRM 4350B spiked onto a swipe was 2.7 million atoms with the limit of quantification being 9.0 million atoms.

Matthew Watrous; Anthony Appelhans; Robert Hague; John Olson; Tracy Houghton

2013-06-01T23:59:59.000Z

94

The Crab glitches: incidence and cumulative effect  

E-Print Network [OSTI]

The fourteen glitches observed during 33 years do not show the simple pattern expected from a relaxation oscillator. They may however be regarded as three major events separated by about 12 years, the third being a group of smaller glitches. There is a step increase in slowdown rate at each glitch, whose cumulative effect makes a significant contribution to the second differential nu-ddot. The braking index "n" has previously been evaluated only between glitches: the effect of the glitches is to reduce "n" from 2.51 to 2.45. This extra effect due to the glitches would be explained by an increase in dipole field at the fractional rate of 1.5x10^-5 per annum.

F. Graham Smith; C. Jordan

2003-01-10T23:59:59.000Z

95

Utility FGD Survey, January--December 1989. Volume 2, Design performance data for operating FGD systems, Part 1  

SciTech Connect (OSTI)

The Utility flue gas desulfurization (FGD) Survey report, which is generated by a computerized data base management system, represents a survey of operational and planned domestic utility flue gas desulfurization (FGD) systems. It summarizes information contributed by the utility industry, system and equipment suppliers, system designers, research organizations, and regulatory agencies. The data cover system design, fuel characteristics, operating history, and actual system performance. Also included is a unit-by-unit discussion of problems and solutions associated with the boilers, scrubbers, and FGD systems. The development status (operational, under construction, or in the planning stages), system supplier, process, waste disposal practice, and regulatory class are tabulated alphabetically by utility company.

Hance, S.L.; McKibben, R.S.; Jones, F.M. [IT Corp., Cincinnati, OH (United States)

1992-03-01T23:59:59.000Z

96

High Performance Computing Facility Operational Assessment, FY 2010 Oak Ridge Leadership Computing Facility  

SciTech Connect (OSTI)

Oak Ridge National Laboratory's (ORNL's) Cray XT5 supercomputer, Jaguar, kicked off the era of petascale scientific computing in 2008 with applications that sustained more than a thousand trillion floating point calculations per second - or 1 petaflop. Jaguar continues to grow even more powerful as it helps researchers broaden the boundaries of knowledge in virtually every domain of computational science, including weather and climate, nuclear energy, geosciences, combustion, bioenergy, fusion, and materials science. Their insights promise to broaden our knowledge in areas that are vitally important to the Department of Energy (DOE) and the nation as a whole, particularly energy assurance and climate change. The science of the 21st century, however, will demand further revolutions in computing, supercomputers capable of a million trillion calculations a second - 1 exaflop - and beyond. These systems will allow investigators to continue attacking global challenges through modeling and simulation and to unravel longstanding scientific questions. Creating such systems will also require new approaches to daunting challenges. High-performance systems of the future will need to be codesigned for scientific and engineering applications with best-in-class communications networks and data-management infrastructures and teams of skilled researchers able to take full advantage of these new resources. The Oak Ridge Leadership Computing Facility (OLCF) provides the nation's most powerful open resource for capability computing, with a sustainable path that will maintain and extend national leadership for DOE's Office of Science (SC). The OLCF has engaged a world-class team to support petascale science and to take a dramatic step forward, fielding new capabilities for high-end science. This report highlights the successful delivery and operation of a petascale system and shows how the OLCF fosters application development teams, developing cutting-edge tools and resources for next-generation systems.

Bland, Arthur S Buddy [ORNL; Hack, James J [ORNL; Baker, Ann E [ORNL; Barker, Ashley D [ORNL; Boudwin, Kathlyn J. [ORNL; Kendall, Ricky A [ORNL; Messer, Bronson [ORNL; Rogers, James H [ORNL; Shipman, Galen M [ORNL; White, Julia C [ORNL

2010-08-01T23:59:59.000Z

97

Utility FGD survey, January--December 1989. Volume 2, Design performance data for operating FGD systems: Part 2  

SciTech Connect (OSTI)

This is Volume 2 part 2, of the Utility flue gas desulfurization (FGD) Survey report, which is generated by a computerized data base management system, represents a survey of operational and planned domestic utility flue gas desulfurization (FGD) systems. It summarizes information contributed by the utility industry, system and equipment suppliers, system designers, research organizations, and regulatory agencies. The data cover system design, fuel characteristics, operating history, and actual system performance. Also included is a unit-by-unit discussion of problems and solutions associated with the boilers, scrubbers, and FGD systems. This volume particularly contains basic design and performance data.

Hance, S.L.; McKibben, R.S.; Jones, F.M. [IT Corp., Cincinnati, OH (United States)] [IT Corp., Cincinnati, OH (United States)

1992-03-01T23:59:59.000Z

98

Modeling and Simulation of HVAC Faulty Operations and Performance Degradation due to Maintenance Issues  

E-Print Network [OSTI]

of Commercial Building HVAC Systems, Atlanta: American2012. Modeling and simulation of HVAC faults in EnergyPlus,Modeling and Simulation of HVAC Faulty Operations and

Wang, Liping

2014-01-01T23:59:59.000Z

99

NERSC 2011: High Performance Computing Facility Operational Assessment for the National Energy Research Scientific Computing Center  

E-Print Network [OSTI]

tested, and preventive maintenance is scheduled. Safetyand perform preventive maintenance. Review and update

Antypas, Katie

2013-01-01T23:59:59.000Z

100

Patents and Cumulative Innovation: Causal Evidence from the Courts 1  

E-Print Network [OSTI]

Patents and Cumulative Innovation: Causal Evidence from the Courts 1 Alberto Galasso University the Centre for Economic Policy at the London School of Economics and the Social Sciences and Humanities Research Council of Canada. #12;Abstract Cumulative innovation is central to economic growth. Do patent

Sekhon, Jasjeet S.

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Cumulative Carbon and Just Allocation of the Global Carbon Commons  

E-Print Network [OSTI]

Cumulative Carbon and Just Allocation of the Global Carbon Commons R.T. Pierrehumbert* Abstract statistic, called cumulative carbon. This statistic is the aggregate amount ofcarbon emitted in theform such activitiespersist.In thispaper the conceptis usedto addressthe question offair allocation of carbon emissions

Pierrehumbert, Raymond

102

Cumulative Carbon and Just Allocation of the Global Carbon Commons  

E-Print Network [OSTI]

Cumulative Carbon and Just Allocation of the Global Carbon Commons R.T. Pierrehumbert1 on climate can be characterized by a single statistic, called Cumulative Carbon. This is the aggregate amount of carbon emitted in the form of carbon dioxide by activities such as fossil fuel burning and deforestation

Pierrehumbert, Raymond

103

Application Performance in the QLinux Multimedia Operating System Vijay Sundaram Abhishek Chandra Pawan Goyal  

E-Print Network [OSTI]

a mix of (i) conventional best- effort applications that desire low average response times demanding application mixes can be easily han- dled by a conventional best-effort operating system running them a practical choice for conven- tional operating systems. "!$#&%('0)0123#54 '6! Recent advances

Kaur, Jasleen

104

The performance of a multiple-disk centrifugal pump as an artificial ventricle over a wide range of operating parameters  

E-Print Network [OSTI]

The performance of a multiple-disk centrifugal pump based on the Tesla Turbine design is tested over a wide range of operating conditions. 'This pump is tested on a mock circulatory loop (with a blood analog) approved by the NIH. This valveless...

Sidhu, Amrita Singh

1993-01-01T23:59:59.000Z

105

Effect of water concentration in the anode catalyst layer on the performance of direct methanol fuel cells operating  

E-Print Network [OSTI]

significantly increase the methanol-crossover rate, producing an unfavorable * Corresponding author. DepartmentEffect of water concentration in the anode catalyst layer on the performance of direct methanol fuel cells operating with neat methanol Q.X. Wu a , S.Y. Shen a , Y.L. He b , T.S. Zhao a

Zhao, Tianshou

106

Operations to be Performed in the Waste Package Dry Remediation Cell  

SciTech Connect (OSTI)

Describes planned and proposed operations for remediating damaged and/or out-of-compliance waste packages, casks, DPCs, overpacks, and containers at the Yucca Mountain Dry Transfer Facility.

Norman E. Cole; Randy K. Elwood

2003-10-01T23:59:59.000Z

107

LONG-TERM PERFORMANCE OF SOLID OXIDE STACKS WITH ELECTRODE-SUPPORTED CELLS OPERATING IN THE STEAM ELECTROLYSIS MODE  

SciTech Connect (OSTI)

Performance characterization and durability testing have been completed on two five-cell high-temperature electrolysis stacks constructed with advanced cell and stack technologies. The solid oxide cells incorporate a negative-electrode-supported multi-layer design with nickel-zirconia cermet negative electrodes, thin-film yttria-stabilized zirconia electrolytes, and multi-layer lanthanum ferrite-based positive electrodes. The per-cell active area is 100 cm2. The stack is internally manifolded with compliant mica-glass seals. Treated metallic interconnects with integral flow channels separate the cells. Stack compression is accomplished by means of a custom spring-loaded test fixture. Initial stack performance characterization was determined through a series of DC potential sweeps in both fuel cell and electrolysis modes of operation. Results of these sweeps indicated very good initial performance, with area-specific resistance values less than 0.5 ?.cm2. Long-term durability testing was performed with A test duration of 1000 hours. Overall performance degradation was less than 10% over the 1000-hour period. Final stack performance characterization was again determined by a series of DC potential sweeps at the same flow conditions as the initial sweeps in both electrolysis and fuel cell modes of operation. A final sweep in the fuel cell mode indicated a power density of 0.356 W/cm2, with average per-cell voltage of 0.71 V at a current of 50 A.

J. E. O'Brien; R. C. O'Brien; X. Zhang; G. Tao; B. J. Butler

2011-11-01T23:59:59.000Z

108

Mapping cumulative noise from shipping to inform marine spatial planning  

E-Print Network [OSTI]

for Marine Science and Technology, Curtin University, GPO Box U1987, Perth, Western Australia 6845, Australia System, AIS), cumulative underwater acoustic energy from shipping was mapped throughout 2008 in the west

109

Cumulative Undergraduate Grade Point Average (GPA) Potential Student Name: _____________________________  

E-Print Network [OSTI]

in the list from Step "a" and sum them: = ____________Total Quality Points Note: Quality Points assigned Total Quality Points (number from Step "b") by Total Credits (number from Step "a"). Cumulative GPA = Total Quality Points/Total Credits = _______________ #12;

Maxwell, Bruce D.

110

Light Water Reactor Sustainability Program Operator Performance Metrics for Control Room Modernization: A Practical Guide for Early Design Evaluation  

SciTech Connect (OSTI)

As control rooms are modernized with new digital systems at nuclear power plants, it is necessary to evaluate the operator performance using these systems as part of a verification and validation process. There are no standard, predefined metrics available for assessing what is satisfactory operator interaction with new systems, especially during the early design stages of a new system. This report identifies the process and metrics for evaluating human system interfaces as part of control room modernization. The report includes background information on design and evaluation, a thorough discussion of human performance measures, and a practical example of how the process and metrics have been used as part of a turbine control system upgrade during the formative stages of design. The process and metrics are geared toward generalizability to other applications and serve as a template for utilities undertaking their own control room modernization activities.

Ronald Boring; Roger Lew; Thomas Ulrich; Jeffrey Joe

2014-03-01T23:59:59.000Z

111

Three-particle cumulant Study of Conical Emission  

E-Print Network [OSTI]

We discuss the sensitivity of the three-particle azimuthal cumulant method for a search and study of conical emission in central relativistic $A+A $ collisions. Our study is based on a multi-component Monte Carlo model which include flow background, Gaussian mono-jets, jet-flow, and Gaussian conical signals. We find the observation of conical emission is hindered by the presence of flow harmonics of fourth order ($v_4 $) but remains feasible even in the presence of a substantial background. We consider the use of probability cumulants for the suppression of 2$^{nd}$ order flow harmonics. We find that while probability cumulant significantly reduce $v_2^2$ contributions, they also complicate the cumulant of jets, and conical emission. The use of probability cumulants is therefore not particularly advantageous in searches for conical emission. We find the sensitivity of the (density) cumulant method depends inextricably on strengths of $v_2 $, $v_4 $, background and non-Poisson character of particle production. It thus cannot be expressed in a simple form, and without specific assumptions about the values of these parameters.

Claude Pruneau

2009-01-07T23:59:59.000Z

112

Analysis of high-burnup fuel performance during load-follow operation  

SciTech Connect (OSTI)

In Japan, an objective of the burnup extension of nuclear fuel is to raise the licensing limit of burnup from 39 to 48 GWd/t for pressurized water reactors (PWRs) in the near future. Because of an increasing ratio of nuclear power generation, the necessity of the load-follow operation, which responds flexibly to changing power demands, is more apparent. To evaluate accurately the mechanical integrity of PWR fuel at high burnup during a load-follow operation, the FEMAXI-III code, originally developed for analyses of fuel experiments, was modified, improving submodels to evaluate PWR fuel; the new code was named IRON. The results of verification work on the code using data on PWR fuel covering wide ranges of burnup and linear heat rate show that it has good predictability and, therefore, that the improvement was confirmed as effective.

Matsui, T.; Fukuya, K.; Kinoshita, M.

1987-01-01T23:59:59.000Z

113

Performing joint measurements and transformations on several qubits by operating on a single control qubit  

E-Print Network [OSTI]

An n-qubit quantum register can in principle be completely controlled by operating on a single qubit that interacts with the register via an appropriate fixed interaction. We consider a hypothetical system consisting of n spin-1/2 nuclei that interact with an electron spin via a magnetic interaction. We describe algorithms that measure non-trivial joint observables on the register by acting on the control spin only. For large n this is not an efficient model for universal quantum computation but it can be modified to an efficient one if one allows n possible positions of the control particle. This toy model of measurements illustrates in which way specific interactions between the register and a probe particle support specific types of joint measurements in the sense that some joint observables can be measured by simple sequences of operations on the probe particle.

Dominik Janzing; Thomas Decker; Thomas Beth

2002-07-23T23:59:59.000Z

114

Performance Confirmation Strategies for the Waste Isolation Pilot Plant - A Historical Perspective from an Operating Disposal Facility - 12248  

SciTech Connect (OSTI)

Performance confirmation is an important element of the Waste Isolation Pilot Plant (WIPP) program. Performance confirmation was first used during the early WIPP site characterization phase to focus experimental activities that address the development of probabilistic repository performance models and to address stakeholder assurance needs. The program is currently used to analyze the conditions of the repository and its surroundings to ensure that the basis for the repository's long-term radioactive waste containment predictions is valid. This basis is related to the parameters, assumptions, conceptual and numerical models that are used to predict or validate the potential radioactive waste containment performance of the system. The concept of performance confirmation for the WIPP is one that has evolved since the first repository work was initiated decades ago and plays an important role in assuring adequate repository performance both now and in the long-term. The WIPP mission has progressed from a pilot project to an operational disposal facility and will progress to eventual site closure when disposal operations are completed. Performance confirmation is an important part of each of these progressions. The concept of disposing radioactive waste in a geologic repository today involves a complete understanding of many technical, political, regulatory, societal and economic elements. Many of these elements overlap and solving all relevant issues necessary to site, operate and decommission a disposal facility should be done with knowledge of each element's requirements and impacts. Performance confirmation is one tool that can help to coordinate many of these elements into a program that actively investigates what is thought to be adequately understood about the system and what information is lacking. A performance confirmation program is used to determine ways to challenge and verify those areas that are thought to be understood and to find ways to understand those areas that are not well understood. Performance confirmation programs have been used twice at WIPP, first during site characterization and PA development and later in a Compliance Monitoring program. At first, only certain technical aspects of the system were deemed important because it was a scientifically-based, government project. Early site characterization work was design to gather information about the geology and hydrology of the area and the mechanical properties of the natural barrier. The information would be used in a PA to determine the long-term containment performance of the disposal system. A performance confirmation element was used to identify the sensitive elements of the system that were certain, well understood or justified and those that were not. It identified experimental and analytical programs that could be used to reduce uncertainty, confirm sensitive assumptions and provide useful data. This performance confirmation program provided data to justify the adequacy of the information used in PA to demonstrate compliance with EPA's containment requirements. Performance confirmation will continue to be used in the post-closure period for at least 30 years and likely up to the end of the 100-year institutional controls period. As the technical basis for the repository matures throughout the operational period, the currently planned post-closure monitoring program will need to be reassessed prior to implementation. However, the intent of the program will be the same as it was for the previous programs, to ensure the ultimate goal of the repository. This goal is to safely isolate waste from the accessible environment and ensure public and environmental safety. (authors)

Wagner, Steve [John Hart and Associate for Sandia National Laboratories, Carlsbad, New Mexico 88220 (United States)

2012-07-01T23:59:59.000Z

115

Evaluation of PMU Dynamic Performance in Both Lab Environments and under Field Operating Conditions  

SciTech Connect (OSTI)

Abstract—Capturing system dynamics is one important feature of phasor measurements. To ensure PMU accurately reflect system dynamic behavior, one must evaluate the dynamic performance of a PMU. PMU dynamic performance evaluation includes three aspects: PMU modeling studies, laboratory testing and field evaluation. This paper briefly reviews the general PMU model structure, and then continues on PMU dynamic performance evaluation from actual field measurements. Reasons for field evaluation include: 1) inappropriate field settings of a PMU would generate unexpected phasor measurements; and 2) many conditions can not be easily produced in a lab environment. PMU field evaluation includes aspects like time synchronization, timing inconsistency due to filtering, frequency calculation issues, parasitic oscillations/processing artifacts, etc. Actual WECC measurement examples will be presented. Dynamic PMU testing in a lab environment is explored with a special focus on PMU filtering characteristics. How the phasor quality would impact derived system dynamic characteristics is addressed in the later part of this paper.

Huang, Zhenyu; Hauer, John F.; Martin, Kenneth E.

2007-06-28T23:59:59.000Z

116

OPERATIONAL AND COMPOSITIONAL FACTORS THAT AFFECT THE PERFORMANCE PROPERTIES OF ARP/MCU SALTSTONE GROUT  

SciTech Connect (OSTI)

The Saltstone Production Facility (SPF) receives low level waste (LLW) salt solution from Tank 50H for treatment and disposal. Tank 50H receives transfers from the Effluent Treatment Project (ETP), the H-Canyon General Purpose Evaporator, and the Actinide Removal Process/Modular Caustic Side Solvent Extraction Unit (ARP/MCU) Decontaminated Salt Solution Hold Tank (DSS-HT). At the SPF, the LLW is mixed with premix (a cementitious mixture of portland cement (PC), blast furnace slag (BFS) and Class F fly ash (FA)) in a Readco mixer to produce fresh (uncured) saltstone that is transferred to the Saltstone Disposal Facility (SDF) vaults. The saltstone formulation (mix design) must produce a grout waste form that meets both placement and performance properties. In previous simulated saltstone studies, multiple compositional factors were identified that drive the performance properties of saltstone made from the projected ARP/MCU salt solution. This composition was selected as salt solution simulant since ARP/MCU is the primary influent into Tank 50H. The primary performance property investigated was hydraulic conductivity since it is a variable input property to the saltstone Performance Assessment (PA) transport model. In addition, the porosity, also referred to as void structure, is another variable that impacts the PA response. In addition, Young's modulus and cured density are other performance properties analyzed in this report; however they are indicators of the performance of saltstone and not direct inputs into the PA. The data from previous studies showed that the largest impact on the performance properties of saltstone was due to curing temperature, followed by aluminate concentration in the salt solution, water to premix ratio and premix composition. However, due to the scope of the previous studies, only a few mixes were cured and analyzed at higher temperatures. The samples cured at 60 C had an increased hydraulic conductivity of approximately 600 times that of the sample cured at room temperature. The hydration reactions initiated during the mixing of the premix and salt solution continue during the curing period in the vaults to produce the hardened waste form product. The heat generated from exothermic hydration reactions results in a temperature increase in the vaults that depends on the composition of the decontaminated salt solution being dispositioned, the grout formulation (mix design) and the pour frequency and volume. This heat generation is a contributing factor to the temperature increase in the vaults that leads to an increased cure temperature for the grout. This report will further investigate the impact of curing temperature on saltstone performance properties (hydraulic conductivity, Young's modulus, porosity, etc.) over a range of aluminate concentration, water to premix (w/p) ratio and weight percent fly ash in the premix processed at the SPF. The three curing temperatures selected for this study were chosen to provide data at fixed cure temperatures that represent measured temperatures in the SDF vaults. This does not represent the conditions in the vault where the temperature of the saltstone is continually changing with time. For example, it may take several days for the saltstone to reach 60 C at a given elevation. Previous results demonstrated that the rates at which a selected curing temperature is reached affect the performance properties. The approach taken in this task, a rapid increase to the curing temperature, may be conservative with respect to decreased performance. Nevertheless, the data will provide a basis from which to determine the impact of curing temperature on saltstone performance as a function of key variables. A statistical evaluation of the results for these mixes will be performed to provide the range, and associated uncertainties, of hydraulic conductivity and other properties over this factor space.

Reigel, M.; Edwards, T.; Pickenheim, B.

2012-02-15T23:59:59.000Z

117

Factorial tests on process operating conditions and bed fines on the circulating fluid bed performance  

SciTech Connect (OSTI)

A cold-flow circulating fluid bed (CFB) was operated using coke breeze with a packed-bed standpipe over a range of riser and standpipe air flows. The bed materials were selected to simulate solids flow in a CFB gasifier (carbonizer) but are generally relevant to most CFB processes. CFB tests were conducted primarily in the transport mode with sufficient gas velocity to achieve a uniform axial riser pressure profiles over most of the riser height. The independent variables tested included the riser gas velocity, aeration at the base of the standpipe, and concentration of fines (average particle size). The solids inventory and riser outlet pressure were maintained constant. Factorial tests were conducted in randomized order and in duplicate to provide and an unbiased estimate of the error. Fines were tested as a blocked variable. The gas velocity, standpipe aeration, and relative amount of fine particles were all found to be significant factors affecting both the riser solids holdup and solids flux. The riser pressure drop and mass circulation increased at the higher level of fines contrary to some earlier reports in the literature. The riser pressure drop was fitted using the general linear model (GLM), which explained more than 98% of the variation within the data, while a GLM for the mass circulation rate explained over 90%. The uncertainty of process operating variables was characterized independently through a series of duplicated flow proving experiments.

Shadle, L.J.; Spenik, James; Sarra, Angela; Ontko, J.S.

2004-07-21T23:59:59.000Z

118

USING CUMULATIVE NUMBER DENSITIES TO COMPARE GALAXIES ACROSS COSMIC TIME  

SciTech Connect (OSTI)

Comparing galaxies across redshifts at fixed cumulative number density is a popular way to estimate the evolution of specific galaxy populations. This method ignores scatter in mass accretion histories and galaxy-galaxy mergers, which can lead to errors when comparing galaxies over large redshift ranges (?z > 1). We use abundance matching in the ?CDM paradigm to estimate the median change in cumulative number density with redshift and provide a simple fit (+0.16 dex per unit ?z) for progenitors of z = 0 galaxies. We find that galaxy descendants do not evolve in the same way as galaxy progenitors, largely due to scatter in mass accretion histories. We also provide estimates for the 1? range of cumulative number densities corresponding to galaxy progenitors and descendants. Finally, we discuss some limits on cumulative number density comparisons, which arise due to difficulties measuring physical quantities (e.g., stellar mass) consistently across redshifts. A public tool to calculate cumulative number density evolution for galaxies, as well as approximate halo masses, is available online.

Behroozi, Peter S.; Wechsler, Risa H. [Kavli Institute for Particle Astrophysics and Cosmology, SLAC National Accelerator Laboratory, Stanford, CA 94305 (United States)] [Kavli Institute for Particle Astrophysics and Cosmology, SLAC National Accelerator Laboratory, Stanford, CA 94305 (United States); Marchesini, Danilo [Department of Physics and Astronomy, Tufts University, Medford, MA 02155 (United States)] [Department of Physics and Astronomy, Tufts University, Medford, MA 02155 (United States); Muzzin, Adam [Leiden Observatory, Leiden University, P.O. Box 9513, 2300 RA Leiden (Netherlands)] [Leiden Observatory, Leiden University, P.O. Box 9513, 2300 RA Leiden (Netherlands); Papovich, Casey [Department of Physics and Astronomy, Texas A and M University, College Station, TX 77843 (United States)] [Department of Physics and Astronomy, Texas A and M University, College Station, TX 77843 (United States); Stefanon, Mauro [Physics and Astronomy Department, University of Missouri, Columbia, MO 65211 (United States)] [Physics and Astronomy Department, University of Missouri, Columbia, MO 65211 (United States)

2013-11-01T23:59:59.000Z

119

TITAN's Digital RFQ Ion Beam Cooler and Buncher, Operation and Performance  

E-Print Network [OSTI]

We present a description of the Radio Frequency Quadrupole (RFQ) ion trap built as part of the TITAN facility. It consists of a gas-filled, segmented, linear Paul trap and is the first stage of the TITAN setup with the purpose of cooling and bunching radioactive ion beams delivered from ISAC-TRIUMF. This is the first such device to be driven digitally, i.e., using a high voltage ($V_{pp} = \\rm{400 \\, V}$), wide bandwidth ($0.2 < f < 1.2 \\, \\rm{MHz}$) square-wave as compared to the typical sinusoidal wave form. Results from the commissioning of the device as well as systematic studies with stable and radioactive ions are presented including efficiency measurements with stable $^{133}$Cs and radioactive $^{124, 126}$Cs. A novel and unique mode of operation of this device is also demonstrated where the cooled ion bunches are extracted in reverse mode, i.e., in the same direction as previously injected.

T. Brunner; M. J. Smith; M. Brodeur; S. Ettenauer; A. T. Gallant; V. V. Simon; A. Chaudhuri A. Lapierre; E. Mané; R. Ringle; M. C. Simon; J. A. Vaz; P. Delheij; M. Good; M. R. Pearson; J. Dilling

2012-02-07T23:59:59.000Z

120

Session: What do we know about cumulative or population impacts  

SciTech Connect (OSTI)

This session at the Wind Energy and Birds/Bats workshop consisted of a panel discussion followed by a discussion/question and answer period. The panelists were Paul Kerlinger, Curry and Kerlinger, LLC, Al Manville, U.S. Fish and Wildlife Service, and Bill Kendall, US Geological Service. The panel addressed the potential cumulative impacts of wind turbines on bird and bat populations over time. Panel members gave brief presentations that touched on what is currently known, what laws apply, and the usefulness of population modeling. Topics addressed included which sources of modeling should be included in cumulative impacts, comparison of impacts from different modes of energy generation, as well as what research is still needed regarding cumulative impacts of wind energy development on bird and bat populations.

Kerlinger, Paul; Manville, Al; Kendall, Bill

2004-09-01T23:59:59.000Z

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
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they are not comprehensive nor are they the most current set.
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121

Performance results from the operation of an MgO-base FGD system  

SciTech Connect (OSTI)

An MgO-base wet FGD system was constructed and demonstrated with localized technology. The total capital cost is 40% lower than overseas price. This FGD system was developed for a 130 tons per hour steam, coal-fired cogeneration plant and has reached more than 95% of desulfurization without using any additive in the slurry absorbent. In order to meet the current SO{sub 2} emission control and the stringent regulation in, the future, a duct bypassing the FGD system was directly connected to stack to regulate the emission of mixed flue gas with and without desulfurization. The plume opacity is also improved. The nickel-base alloy sheet, INCO alloy C-276, was utilized in part as lining material at the intersections of mixing of cold and hot flows to enhance the local corrosion resistance. A process for preparing magnesium hydroxide slurry from magnesium oxide powder is also demonstrated. Performance results were obtained including SO{sub 2} removal efficiency, bypass flue gas mixing, liquid-to-gas ratio effect, scrubber pressure drop, and slurry pH effect.

Wu, S.R.; Hsu, H.W.; Uen, T.W. [Energy and Resources Labs., Hsinchu (Taiwan, Province of China)] [and others

1995-06-01T23:59:59.000Z

122

Hoe Creek 1990 quarterly sampling cumulative report  

SciTech Connect (OSTI)

Groundwater samples were collected and analyzed for benzene and for total phenols three times during 1990. This report summarizes the results of these sampling events and compares the results with those obtained in previous years. Possible further options for remediation of the Hoe Creek site was addressed. Three underground coal gasification (UCG) burns were performed by Lawrence Livermore National Laboratory for the US Department of Energy in 1976, 1977, and 1979 at the Hoe Creek site, which is about 20 miles south of Gillette, Wyoming. As a result of these burns, there has been considerable contamination of groundwater by various organic compounds. There have been three efforts at remediating this situation. In 1986 and again in 1987, contaminated water was pumped out, treated, and reinjected. In 1989, the water was pumped, treated, and sprayed into the atmosphere. Benzene and total phenols have been monitored at various monitoring wells as the site during 1990. The highest detected benzene concentration in 1990 was 220 {mu}g/L, and the highest total phenols concentration was 430 {mu}g/L. It is apparent that contamination is still above baseline levels, although the concentration of total phenols is far less than immediately after the burns. The burned coal seams are still releasing organic compounds into the groundwater that passes through them.

Crader, S.E.; Huntington, G.S.

1991-03-01T23:59:59.000Z

123

Lithium Coatings on NSTX Plasma Facing Components and Its Effects On Boundary Control, Core Plasma Performance, and Operation  

SciTech Connect (OSTI)

NSTX high-power divertor plasma experiments have used in succession lithium pellet injection (LPI), evaporated lithium, and injected lithium powder to apply lithium coatings to graphite plasma facing components. In 2005, following wall conditioning and LPI, discharges exhibited edge density reduction and performance improvements. Since 2006, first one, and now two lithium evaporators have been used routinely to evaporate lithium onto the lower divertor region at total rates of 10-70 mg/min for periods 5-10 min between discharges. Prior to each discharge, the evaporators are withdrawn behind shutters. Significant improvements in the performance of NBI heated divertor discharges resulting from these lithium depositions were observed. These evaporators are now used for more than 80% of NSTX discharges. Initial work with injecting fine lithium powder into the edge of NBI heated deuterium discharges yielded comparable changes in performance. Several operational issues encountered with lithium wall conditions, and the special procedures needed for vessel entry are discussed. The next step in this work is installation of a Liquid Lithium Divertor surface on the outer part of the lower divertor.

H.W.Kugel, M.G.Bell, H.Schneider, J.P.Allain, R.E.Bell, R Kaita, J.Kallman, S. Kaye, B.P. LeBlanc, D. Mansfield, R.E. Nygen, R. Maingi, J. Menard, D. Mueller, M. Ono, S. Paul, S.Gerhardt, R.Raman, S.Sabbagh, C.H.Skinner, V.Soukhanovskii, J.Timberlake, L.E.Zakharov, and the NSTX Research Team

2010-01-25T23:59:59.000Z

124

Improving central heating plant performance at the defense construction supply center (DCSC): Advanced operation and maintenance methods. Final report  

SciTech Connect (OSTI)

A 1987 air pollution emissions test done by the U.S. Army Environmental Hygiene Agency (USAEHA) identified several problems with the central heating plant (CHP) at the Defense Construction Supply Center (DCSC), Columbus, OH. Though DCSC repaired the specified problems, improved coal specifications, and tried to reduce air infiltration, CHP performance remained at unacceptable levels. Consequently, DCSC contracted the U.S. Army Construction Engineering Research Laboratories (USACERL) to apply advanced operation and maintenance procedures to improve its combustion system. This study employed a system-wide approach to evaluate the CHP 5 fuel storage, combustion, heat distribution, and the control of air emissions. Many short-term improvements to the CHP were identified and tested. Subsequent combustion and air emissions tests revealed that the recommended improvements successfully increased CHP efficiency. Long-term improvements were also recommended to help maintain the short-term improvements.

Savoie, M.J.; Standerfer, J.; Schmidt, C.M.; Gostich, J.; Mignacca, J.

1994-11-01T23:59:59.000Z

125

Volume fluctuations and higher order cumulants of the net baryon number  

E-Print Network [OSTI]

We consider the effect of volume fluctuations on cumulants of the net baryon number. Based on a general formalism, we derive universal expressions for the net baryon number cumulants in the presence of volume fluctuations with an arbitrary probability distribution. The relevance of these fluctuations for the baryon-number cumulants and in particular for the ratios of cumulants is assessed in the Polyakov loop extended quark-meson model within the functional renormalization group. We show that the baryon number cumulants are generally enhanced by volume fluctuations and that the critical behavior of higher order cumulants may be modified significantly.

V. Skokov; B. Friman; K. Redlich

2012-05-21T23:59:59.000Z

126

PERFORMING DIAGNOSTICS ON THE SPALLATION NEUTRON SOURCE VISION BEAM LINE TO ELIMINATE HIGH VIBRATION LEVELS AND PROVIDE A SUSTAINABLE OPERATION  

SciTech Connect (OSTI)

The Spallation Neutron Source (SNS) at the Oak Ridge National Laboratory (ORNL) provides variable energy neutrons for a variety of experiments. The neutrons proceed down beam lines to the experiment hall, which houses a variety of experiments and test articles. Each beam line has one or more neutron choppers which filter the neutron beam based on the neutron energy by using a rotating neutron absorbing material passing through the neutron beam. Excessive vibration of the Vision beam line, believed to be caused by the T0 chopper, prevented the Vision beam line from operating at full capacity. This problem had been addressed several times by rebalancing/reworking the T0 beam chopper but the problem stubbornly persisted. To determine the cause of the high vibration, dynamic testing was performed. Twenty-seven accelerometer and motor current channels of data were collected during drive up, drive down, coast down, and steady-state conditions; resonance testing and motor current signature analysis were also performed. The data was analyzed for traditional mechanical/machinery issues such as misalignment and imbalance using time series analysis, frequency domain analysis, and operating deflection shape analysis. The analysis showed that the chopper base plate was experiencing an amplified response to the excitation provided by the T0 beam chopper. The amplified response was diagnosed to be caused by higher than expected base plate flexibility, possibly due to improper grouting or loose floor anchors. Based on this diagnosis, a decision was made to dismantle the beam line chopper and remount the base plate. Neutron activation of the beam line components make modifications to the beam line especially expensive and time consuming due to the radiation handling requirements, so this decision had significant financial and schedule implications. It was found that the base plate was indeed loose because of improper grouting during its initial installation. The base plate was modified by splitting it into multiple sections, isolating the T0 chopper from the rest of the beam line, and each section was then reinstalled and re-grouted. After these modifications, the vibration levels were reduced by a factor of 30. The reduction in vibration level was sufficient to allow the Vision beam line to operate at full capacity for the first time since its completed construction date.

Van Hoy, Blake W [ORNL

2014-01-01T23:59:59.000Z

127

Operation and Performance of a Biphase Turbine Power Plant at the Cerro Prieto Geothermal Field (Final Report)  

SciTech Connect (OSTI)

A full scale, wellhead Biphase turbine was manufactured and installed with the balance of plant at Well 103 of the Cerro Prieto geothermal resource in Baja, California. The Biphase turbine was first synchronized with the electrical grid of Comision Federal de Electricidad on August 20, 1997. The Biphase power plant was operated from that time until May 23, 2000, a period of 2 years and 9 months. A total of 77,549 kWh were delivered to the grid. The power plant was subsequently placed in a standby condition pending replacement of the rotor with a newly designed, higher power rotor and replacement of the bearings and seals. The maximum measured power output of the Biphase turbine, 808 kWe at 640 psig wellhead pressure, agreed closely with the predicted output, 840 kWe. When combined with the backpressure steam turbine the total output power from that flow would be increased by 40% above the power derived only from the flow by the present flash steam plant. The design relations used to predict performance and design the turbine were verified by these tests. The performance and durability of the Biphase turbine support the conclusion of the Economics and Application Report previously published, (Appendix A). The newly designed rotor (the Dual Pressure Rotor) was analyzed for the above power condition. The Dual Pressure Rotor would increase the power output to 2064 kWe by incorporating two pressure letdown stages in the Biphase rotor, eliminating the requirement for a backpressure steam turbine. The power plant availability was low due to deposition of solids from the well on the Biphase rotor and balance of plant problems. A great deal of plant down time resulted from the requirement to develop methods to handle the solids and from testing the apparatus in the Biphase turbine. Finally an online, washing method using the high pressure two-phase flow was developed which completely eliminated the solids problem. The availability of the Biphase turbine itself was 100% after implementations of this method in March 2000. However, failures of instrumentation and control system components led to additional plant down time and damage to the bearings and seals. The enthalpy and pressure of well 103 declined substantially from the inception of the project. When the project was started the wellhead pressure and enthalpy were 760 psig and 882 Btu/lb respectively. At the time the plant was placed in standby the corresponding values were only 525 psig and 658 Btu/lb. This reduced the available plant power to only 400 kWe making the project economically unfeasible. However, replacement of the existing rotor with the Dual Pressure Rotor and replacement of the bearings and seals will enable the existing Biphase turbine to produce 1190 kWe at the present well conditions without the backpressure steam turbine. Operation with the present staff can then be sustained by selling power under the existing Agreement with CFE. Implementation of this option is recommended with operation of the facility to continue as a demonstration plant. Biphase turbine theory, design and performance are reported herein. The construction of the Biphase turbine and power plant and operational experience are detailed. Improvements in the Biphase turbine are indicated and analyzed. The impact of Biphase techonology on geothermal power production is discussed and recommendations made.

Hays, Lance G. [Douglas Energy Company, Placentia, CA (United States)

2000-09-01T23:59:59.000Z

128

Effect of design and operating variables on the performance of commercial absorbers used for selective chemical absorption  

SciTech Connect (OSTI)

With Dow's GAS/SPEC Selective Solvent Technologies, processors are able to remove virtually all of the H/sub 2/S from sour gas streams, while retaining a desired amount of CO/sub 2/ in the sweet gas. An absorber simulator has been developed based on a rate approach. The details of the principles and approaches used in the simulator are reported in this paper. The simulator not only predicts the overall plant performance, but also the detailed temperature and composition profiles throughout the column. Some of the predicted profiles have been compared with actual profiles measured on an operating plant. This type of detailed and rigorous simulation has furthered the understanding of the controlling phenomena and performance of commercial absorbers used for selective absorption. For example, the absorption of H/sub 2/S is mostly gas-phase controlled and that of CO/sub 2/ is liquid-phase controlled in typical commercial tray absorbers using the Selective Solvent Technology. Gas and liquid temperature profiles cross each other near the temperature bulge. In several instances, the process selectivity is decreased as magnitude of the bulge in liquid temperature increases. This happens through the combined effects of kinetics and thermodynamics.

Katti, S.S.; Langfitt, B.D.

1986-01-01T23:59:59.000Z

129

Polydispersity analysis of Taylor dispersion data: the cumulant method  

E-Print Network [OSTI]

Taylor dispersion analysis is an increasingly popular characterization method that measures the diffusion coefficient, and hence the hydrodynamic radius, of (bio)polymers, nanoparticles or even small molecules. In this work, we describe an extension to current data analysis schemes that allows size polydispersity to be quantified for an arbitrary sample, thereby significantly enhancing the potentiality of Taylor dispersion analysis. The method is based on a cumulant development similar to that used for the analysis of dynamic light scattering data. Specific challenges posed by the cumulant analysis of Taylor dispersion data are discussed, and practical ways to address them are proposed. We successfully test this new method by analyzing both simulated and experimental data for solutions of moderately polydisperse polymers and polymer mixtures.

Luca Cipelletti; Jean-Philippe Biron; Michel Martin; Hervé Cottet

2014-08-26T23:59:59.000Z

130

Determination of radionuclides and pathways contributing to cumulative dose  

SciTech Connect (OSTI)

A series of scoping calculations has been undertaken to evaluate the absolute and relative contributions of different radionuclides and exposure pathways to doses that may have been received by individuals living in the vicinity of the Hanford Site. This scoping calculation (Calculation 004) examined the contributions of numerous radionuclides to cumulative dose via environmental exposures and accumulation in foods. Addressed in this calculation were the contributions to organ and effective dose of infants and adults from (1) air submersion and groundshine external dose, (2) inhalation, (3) ingestion of soil by humans, (4) ingestion of leafy vegetables, (5) ingestion of other vegetables and fruits, (6) ingestion of meat, (7) ingestion of eggs, and (8) ingestion of cows' milk from Feeding Regime 1, as described in calculation 002. This calculation specifically addresses cumulative radiation doses to infants and adults resulting from releases occurring over the period 1945 through 1972.

Napier, B.A.

1992-12-01T23:59:59.000Z

131

Simple derivation of the first cumulant for the Rouse chain  

E-Print Network [OSTI]

A simple analytic expression for the first cumulant of the dynamic structure factor of a polymer coil in the Rouse model is derived. The obtained formula is exact within the usual assumption of the continuum distribution of beads along the chain. It reflects the contributions to the scattering of light or neutrons from both the internal motion of the polymer and its diffusion, and is valid in the whole region of the wave-vector change at the scattering.

V. Lisy; B. Brutovsky; J. Tothova

2007-09-26T23:59:59.000Z

132

Bringing science into river systems cumulative effects assessment practice  

SciTech Connect (OSTI)

Fast-paced watershed change, driven by anthropogenic development, is threatening the sustainability of freshwater resources across the globe. Developments within watersheds interact in a manner that is additive and synergistic over space and time. Such cumulative environmental effects are defined as the results of actions that are individually minor but collectively significant when added to other past, present, and reasonably foreseeable future actions. Cumulative effects assessment (CEA) then is broadly defined as the process of evaluating the potential impacts of such collective actions on the environment and is a requirement in many countries, including in Canada at the federal level under the Canadian Environmental Assessment Act. However, current approaches to CEA for river systems are proving to be ineffective, which is largely attributed to the disconnect between CEA science and practice. We highlight this gap herein by discussing contradictions in the CEA literature, challenges in quantifying cumulative interactions, including overcoming spatiotemporal scale issues, multiple hydrologic and ecological pathways, and lack of predictive analysis. Our analysis shows there is a need for improved CEA for river systems, and in responding to this need we propose a conceptual framework for better integrating science and practice for improved CEA for river systems using one of the most adversely affected rivers basins in Canada, the Athabasca River, as our model. We conclude by addressing the challenges inherent to CEA with the intent of providing scientists with ways to help improve CEA of river systems.

Seitz, Nicole E. [Centre for Hydrology, Department of Geography and Planning, University of Saskatchewan. 117 Science Place, Saskatoon, SK. S7N 5C8 (Canada); Westbrook, Cherie J., E-mail: cherie.westbrook@usask.c [Centre for Hydrology, Department of Geography and Planning, University of Saskatchewan. 117 Science Place, Saskatoon, SK. S7N 5C8 (Canada); Noble, Bram F. [Department of Geography and Planning, School for the Environment and Sustainability, University of Saskatchewan. 117 Science Place, Saskatoon, SK. S7N 5C8 (Canada)

2011-04-15T23:59:59.000Z

133

The Effects of Degraded Digital Instrumentation and Control Systems on Human-system Interfaces and Operator Performance: HFE Review Guidance and Technical Basis  

SciTech Connect (OSTI)

New and advanced reactors will use integrated digital instrumentation and control (I&C) systems to support operators in their monitoring and control functions. Even though digital systems are typically highly reliable, their potential for degradation or failure could significantly affect operator performance and, consequently, impact plant safety. The U.S. Nuclear Regulatory Commission (NRC) supported this research project to investigate the effects of degraded I&C systems on human performance and plant operations. The objective was to develop human factors engineering (HFE) review guidance addressing the detection and management of degraded digital I&C conditions by plant operators. We reviewed pertinent standards and guidelines, empirical studies, and plant operating experience. In addition, we conducted an evaluation of the potential effects of selected failure modes of the digital feedwater system on human-system interfaces (HSIs) and operator performance. The results indicated that I&C degradations are prevalent in plants employing digital systems and the overall effects on plant behavior can be significant, such as causing a reactor trip or causing equipment to operate unexpectedly. I&C degradations can impact the HSIs used by operators to monitor and control the plant. For example, sensor degradations can make displays difficult to interpret and can sometimes mislead operators by making it appear that a process disturbance has occurred. We used the information obtained as the technical basis upon which to develop HFE review guidance. The guidance addresses the treatment of degraded I&C conditions as part of the design process and the HSI features and functions that support operators to monitor I&C performance and manage I&C degradations when they occur. In addition, we identified topics for future research.

O'Hara, J.M.; W. Gunther, G. Martinez-Guridi

2010-02-26T23:59:59.000Z

134

Integrated supercritical water gasification combined cycle (IGCC) systems for improved performance and reduced operating costs in existing plants  

SciTech Connect (OSTI)

A revolutionary hydrothermal heat recovery steam generator (HRSG) is being developed to produce clean fuels for gas turbines from slurries and emulsions of opportunity fuels. Water can be above 80% by weight and solids below 20%, including coal fines, coal water fuels, biomass, composted municipal refuse, sewage sludge and bitumen/Orimulsion. The patented HRSG tubes use a commercial method of particle scrubbing to improve heat transfer and prevent corrosion and deposition on heat transfer surfaces. A continuous-flow pilot plant is planned to test the HRSG over a wide range of operating conditions, including the supercritical conditions of water, above 221 bar (3,205 psia) and 374 C (705 F). Bench scale data shows, that supercritical water gasification below 580 C (1,076 F) and low residence time without catalysts or an oxidizer can produce a char product that can contain carbon up to the amount of fixed carbon in the proximate analysis of the solids in the feed. This char can be burned with coal in an existing combustion system to provide the heat required for gasification. The new HRSG tubes can be retrofitted into existing power plant boilers for repowering of existing plants for improved performance and reduced costs. A special condensing turbine allows final low-temperature cleaning and maintains quality and combustibility of the fuel vapor for modern gas turbine in the new Vapor Transmission Cycle (VTC). Increased power output and efficiency can be provided for existing plants, while reducing fuel costs. A preliminary computer-based process simulation model has been prepared that includes material and energy balances that simulate commercial-scale operations of the VTC on sewage sludge and coal. Results predict over 40% HHV thermal efficiency to electric power from sewage sludge at more than 83% water by weight. The system appears to become autothermal (no supplemental fuel required) at about 35% fixed carbon in the feed. Thus, bituminous and lignite coal slurries could be gasified at less than 25% coal and more than 75% water. Preliminary life cycle cost analyses indicate that disposal fees for sewage sludge improve operating economics over fuel that must be purchased, the cost and schedule advantages of natural gas-fired combined cycle systems are preserved. Sensitivity analyses show that increasing capital costs by 50% can be offset by an increase in sewage sludge disposal fees of $10/metric ton.

Tolman, R.; Parkinson, W.J.

1999-07-01T23:59:59.000Z

135

Evaluating Cumulative Ecosystem Response to Restoration Projects in the Lower Columbia River and Estuary, 2008  

SciTech Connect (OSTI)

Draft annual report for the Cumulative Effects Study for the US Army Corps of Engineers, Portland District

Johnson, Gary E.; Diefenderfer, Heida L.; Borde, Amy B.; Dawley, Earl M.; Ebberts, Blaine D.; Roegner, G. Curtis; Russell, Micah T.; Skalski, John R.; Thom, Ronald M.; Vavrinec, John; Zimmerman, Shon A.

2009-12-17T23:59:59.000Z

136

Phillips Center Operations Policies and Procedures Manual Technical Information As of: 1-Jul-2011 UF Performing Arts -Curtis M. Phillips Center for the Performing Arts  

E-Print Network [OSTI]

-2011 Tech - 1 UF Performing Arts - Curtis M. Phillips Center for the Performing Arts Facility@performingarts.ufl.edu Labor: The Curtis M. Phillips Center for the Performing Arts is a non-union facility. Florida is a right-hour shift. Directions: The Curtis M. Phillips Center for the Performing Arts is located in Gainesville

Guo, Jing

137

Phillips Center Operations Policies and Procedures Manual Technical Information As of: 1-Jul-09 UF Performing Arts -Curtis M. Phillips Center for the Performing Arts  

E-Print Network [OSTI]

Tech - 1 UF Performing Arts - Curtis M. Phillips Center for the Performing Arts Facility and Technical@performingarts.ufl.edu Labor: The Curtis M. Phillips Center for the Performing Arts is a non-union facility. Florida is a right-hour shift. Directions: The Curtis M. Phillips Center for the Performing Arts is located in Gainesville

Guo, Jing

138

Phillips Center Operations Policies and Procedures Manual Technical Information As of: 28-Aug-2014 UF Performing Arts -Curtis M. Phillips Center for the Performing Arts  

E-Print Network [OSTI]

-2014 Tech - 1 UF Performing Arts - Curtis M. Phillips Center for the Performing Arts Facility@performingarts.ufl.edu Labor: The Curtis M. Phillips Center for the Performing Arts is a non-union facility. Florida is a right is a 2- hour shift. Directions: The Curtis M. Phillips Center for the Performing Arts is located

Block, Louis

139

CERNA WORKING PAPER SERIES Patent quality and value in discrete and cumulative innovation  

E-Print Network [OSTI]

1 CERNA WORKING PAPER SERIES Patent quality and value in discrete and cumulative innovation Justus,version2-16Nov2010 #12;2 Patent Quality and Value in Discrete and Cumulative Innovation Cerna Working the relationship between patent quality and patent value in discrete and cumulative innovation. Using factor

Paris-Sud XI, Université de

140

Covanta Begins Operating Nation's First Energy-from-Waste Unit under the EPA's New Source Performance Standards  

E-Print Network [OSTI]

Covanta Begins Operating Nation's First Energy-from-Waste Unit under the EPA's New Source in the development and operation of large scale Energy-from-Waste and renewable energy projects, today announced it has begun operating the first energy-from-waste unit built under the U.S. Environmental Protection

Columbia University

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Neutron source capability assessment for cumulative fission yields measurements  

SciTech Connect (OSTI)

A recent analysis of high-quality cumulative fission yields data for Pu-239 published in the peer-reviewed literature showed that the quoted experimental uncertainties do not allow a clear statement on how the fission yields vary as a function of energy. [Prussin2009] To make such a statement requires a set of experiments with well 'controlled' and understood sources of experimental errors to reduce uncertainties as low as possible, ideally in the 1 to 2% range. The Inter Laboratory Working Group (ILWOG) determined that Directed Stockpile Work (DSW) would benefit from an experimental program with the stated goal to reduce the measurement uncertainties significantly in order to make a definitive statement of the relationship of energy dependence to the cumulative fission yields. Following recent discussions between Lawrence Livermore National Laboratory (LLNL) and Los Alamos National Laboratory (LANL), there is a renewed interest in developing a concerted experimental program to measure fission yields in a neutron energy range from thermal energy (0.025 eV) to 14 MeV with an emphasis on discrete energies from 0.5 to 4 MeV. Ideally, fission yields would be measured at single energies, however, in practice there are only 'quasi-monoenergetic' neutrons sources of finite width. This report outlines a capability assessment as of June 2011 of available neutron sources that could be used as part of a concerted experimental program to measure cumulative fission yields. In a framework of international collaborations, capabilities available in the United States, at the Atomic Weapons Establishment (AWE) in the United Kingdom and at the Commissariat Energie Atomique (CEA) in France are listed. There is a need to develop an experimental program that will reduce the measurement uncertainties significantly in order to make a definitive statement of the relationship of energy dependence to the cumulative fission yields. Fission and monoenergetic neutron sources are available that could support these fission yield experiments in the US, as well as at AWE and CEA. Considerations that will impact the final choice of experimental venues are: (1) Availability during the timeframe of interest; (2) Ability to accommodate special nuclear materials; (3) Cost; (4) Availability of counting facilities; and (5) Expected experimental uncertainties.

Descalle, M A; Dekin, W; Kenneally, J

2011-04-06T23:59:59.000Z

142

Properties and Cycle Performance of Refrigerant Blends Operating Near and Above the Refrigerant Critical Point, Task 1: Refrigerant Properties  

SciTech Connect (OSTI)

The main goal of this project was to investigate and compare the performance of an R410A air conditioner to that of an R22 air conditioner, with specific interest in performance at high ambient temperatures at which the condenser of the R410A system may be operating above the refrigerant's critical point. Part 1 of this project consisted of measuring thermodynamic properties R125, R410A and R507A, measuring viscosity and thermal conductivity of R410A and R507A and comparing data to mixture models in NIST REFPROP database. For R125, isochoric (constant volume) heat capacity was measured over a temperature range of 305 to 397 K (32 to 124 C) at pressures up to 20 MPa. For R410A, isochoric heat capacity was measured along 8 isochores with a temperature range of 303 to 397 K (30 to 124 C) at pressures up to 18 MPa. Pressure-density-temperature was also measured along 14 isochores over a temperature range of 200 to 400 K (-73 to 127 C) at pressures up to 35 MPa and thermal conductivity along 6 isotherms over a temperature range of 301 to 404 K (28 to 131 C) with pressures to 38 MPa. For R507A, viscosity was measured along 5 isotherms over a temperature range of 301 to 421 K (28 to 148 C) at pressures up to 83 MPa and thermal conductivity along 6 isotherms over a temperature range of 301 to 404 K (28 to 131 C) with pressures to 38 MPa. Mixture models were developed to calculate the thermodynamic properties of HFC refrigerant mixtures containing R32, R125, R134a and/or R125. The form of the model is the same for all the blends considered, but blend-specific mixing functions are required for the blends R32/125 (R410 blends) and R32/134a (a constituent binary of R407 blends). The systems R125/134a, R125/143a, R134a/143a, and R134a/152a share a common, generalized mixing function. The new equation of state for R125 is believed to be the most accurate and comprehensive formulation of the properties for that fluid. Likewise, the mixture model developed in this work is the latest state-of-the-art for thermodynamic properties of HFC refrigerant blends. These models were incorporated into version 7 of NIST REFPROP database.

Mark O. McLinden; Arno Laesecke; Eric W. Lemmon; Joseph W. Magee; Richard A. Perkins

2002-08-30T23:59:59.000Z

143

Appraising the sustainability of project alternatives: An increasing role for cumulative effects assessment  

SciTech Connect (OSTI)

Evaluating and comparing development alternatives with regard to sustainability is an important goal for comprehensive project appraisal. In the United States, this component has been largely missing from standard environmental impact assessment practice. Cumulative effects assessment provides a way to appraise the sustainability of project alternatives in terms of their probable contributions to long-term trends affecting the condition of valued environmental components. Sustainability metrics and predictors are being developed as criteria for rating systems and evaluation processes that are applied to community planning, building design, and transportation infrastructure. Increasing interest in adaptive management is also providing cost-effective solutions to optimizing safety and function throughout the long-term operation of a facility or infrastructure. Recent federal legislation is making it easier to integrate sustainability features into development alternatives through early, community-based planning.

Senner, Robert, E-mail: robin.senner@ch2m.com

2011-09-15T23:59:59.000Z

144

Public service impacts of geothermal development: cumulative impacts study of the Geysers KGRA. Final staff report  

SciTech Connect (OSTI)

The number of workers currently involved in the various aspects of geothermal development in the Geysers are identified. Using two different development scenarios, projections are made for the number of power plants needed to reach the electrical generation capacity of the steam resource in the Geysers. The report also projects the cumulative number of workers needed to develop the steam field and to construct, operate, and maintain these power plants. Although the number of construction workers fluctuates, most are not likely to become new, permanent residents of the KGRA counties. The administrative and public service costs of geothermal development to local jurisdications are examined, and these costs are compared to geothermal revenues accruing to the local governments. Revenues do not cover the immediate fiscal needs resulting from increases in local road maintenance and school enrollment attributable to geothermal development. Several mitigation options are discussed and a framework presented for calculating mitigation costs for school and road impacts.

Matthews, K.M.

1983-07-01T23:59:59.000Z

145

Documentation of cumulative impacts in environmental impact statements  

SciTech Connect (OSTI)

The National Environmental Policy Act (NEPA) of 1969 and the Council on Environmental Quality (CEQ) regulations in the United States require federal agencies to apply an environmental impact assessment (EIA) in decision-making related to their actions. One aspect requires an examination of direct, indirect and cumulative impacts (CIs). Historically, cumulative impact assessment (CIA) has been given limited attention in EIA and resultant environmental impact statements (EISs), not because of its lack of importance, but owing to limitations in methodologies and procedures, including documentation consistency. The objectives of this study were to identify deficiencies in the documentation of CIs and CIA in EISs and to formulate appropriate recommendations (potential solutions) related to such deficiencies. The study involved the systematic review of 33 EISs. The results indicate that improvements have been made in documentation practices since 1990; however, inconsistencies and inadequacies still exist. Therefore, the following recommendations were developed: (1) CIs should be reported in a separate part of the Environmental Consequences section, and they should be addressed for each pertinent environmental resource; (2) a summary of CIs should be included; (3) any CIs considered not significant should be mentioned plus the reason(s) for their non-significance; (4) spatial and temporal boundaries addressed within the CIA process should be defined for pertinent environmental resources; and (5) utilized guidelines and methodologies should be described.

Cooper, T.A.; Canter, L.W. [Univ. of Oklahoma, Norman, OK (United States). Environmental and Ground Water Inst.] [Univ. of Oklahoma, Norman, OK (United States). Environmental and Ground Water Inst.

1997-11-01T23:59:59.000Z

146

TESTING AND PERFORMANCE ANALYSIS OF NASA 5 CM BY 5 CM BI-SUPPORTED SOLID OXIDE ELECTROLYSIS CELLS OPERATED IN BOTH FUEL CELL AND STEAM ELECTROLYSIS MODES  

SciTech Connect (OSTI)

A series of 5 cm by 5 cm bi-supported Solid Oxide Electrolysis Cells (SOEC) were produced by NASA for the Idaho National Laboratory (INL) and tested under the INL High Temperature Steam Electrolysis program. The results from the experimental demonstration of cell operation for both hydrogen production and operation as fuel cells is presented. An overview of the cell technology, test apparatus and performance analysis is also provided. The INL High Temperature Steam Electrolysis laboratory has developed significant test infrastructure in support of single cell and stack performance analyses. An overview of the single cell test apparatus is presented. The test data presented in this paper is representative of a first batch of NASA's prototypic 5 cm by 5 cm SOEC single cells. Clearly a significant relationship between the operational current density and cell degradation rate is evident. While the performance of these cells was lower than anticipated, in-house testing at NASA Glenn has yielded significantly higher performance and lower degradation rates with subsequent production batches of cells. Current post-test microstructure analyses of the cells tested at INL will be published in a future paper. Modification to cell compositions and cell reduction techniques will be altered in the next series of cells to be delivered to INL with the aim to decrease the cell degradation rate while allowing for higher operational current densities to be sustained. Results from the testing of new batches of single cells will be presented in a future paper.

R. C. O'Brien; J. E. O'Brien; C. M. Stoots; X. Zhang; S. C. Farmer; T. L. Cable; J. A. Setlock

2011-11-01T23:59:59.000Z

147

Addressing trend-related changes within cumulative effects studies in water resources planning  

SciTech Connect (OSTI)

Summarized herein are 28 case studies wherein trend-related causative physical, social, or institutional changes were connected to consequential changes in runoff, water quality, and riparian and aquatic ecological features. The reviewed cases were systematically evaluated relative to their identified environmental effects; usage of analytical frameworks, and appropriate models, methods, and technologies; and the attention given to mitigation and/or management of the resultant causative and consequential changes. These changes also represent important considerations in project design and operation, and in cumulative effects studies associated therewith. The cases were grouped into five categories: institutional changes associated with legislation and policies (seven cases); physical changes from land use changes in urbanizing watersheds (eight cases); physical changes from land use changes and development projects in watersheds (four cases); physical, institutional, and social changes from land use and related policy changes in river basins (three cases); and multiple changes within a comprehensive study of land use and policy changes in the Willamette River Basin in Oregon (six cases). A tabulation of 110 models, methods and technologies used in the studies is also presented. General observations from this review were that the features were unique for each case; the consequential changes were logically based on the causative changes; the analytical frameworks provided relevant structures for the studies, and the identified methods and technologies were pertinent for addressing both the causative and consequential changes. One key lesson was that the cases provide useful, “real-world” illustrations of the importance of addressing trend-related changes in cumulative effects studies within water resources planning. Accordingly, they could be used as an “initial tool kit” for addressing trend-related changes.

Canter, L.W., E-mail: envimptr@aol.com [University of Oklahoma, Norman, Oklahoma and President, Canter Associates, Inc., Horseshoe Bay, TX (United States); Chawla, M.K. [ERDC-CERL, U.S. Army Corps of Engineers, Champaign, IL (United States)] [ERDC-CERL, U.S. Army Corps of Engineers, Champaign, IL (United States); Swor, C.T. [Canter Associates, Inc., Frankewing, TN (United States)] [Canter Associates, Inc., Frankewing, TN (United States)

2014-01-15T23:59:59.000Z

148

High Performance Class-AB Output Stage Operational Amplifiers for Continuous-time Sigma-delta ADC  

E-Print Network [OSTI]

One of the most critical blocks in a wide-band continuous time sigma delta (CTSD) analog-to-digital converter (ADC) is the loop filter. For most loop filter topologies, the performance of the filter depends largely on the performance...

Krishnan, Lakshminarasimhan

2012-10-19T23:59:59.000Z

149

E-Print Network 3.0 - assessing cumulative risk Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

from... for use with the long- term cumulative risk assessment simulator, including load forecasting, unit... for bulk ... Source: Arizona State University, Power Systems...

150

E-Print Network 3.0 - assessing cumulative organophosphate Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

12;Cumulative aphid days... 3000 4000 5000 6000 Organophosphate (OP) Untreated 250plant atR6 ... Source: Jurenka, Russell A. - Department of Entomology, Iowa State University...

151

Method to improve reliability of a fuel cell system using low performance cell detection at low power operation  

DOE Patents [OSTI]

A system and method for detecting a low performing cell in a fuel cell stack using measured cell voltages. The method includes determining that the fuel cell stack is running, the stack coolant temperature is above a certain temperature and the stack current density is within a relatively low power range. The method further includes calculating the average cell voltage, and determining whether the difference between the average cell voltage and the minimum cell voltage is greater than a predetermined threshold. If the difference between the average cell voltage and the minimum cell voltage is greater than the predetermined threshold and the minimum cell voltage is less than another predetermined threshold, then the method increments a low performing cell timer. A ratio of the low performing cell timer and a system run timer is calculated to identify a low performing cell.

Choi, Tayoung; Ganapathy, Sriram; Jung, Jaehak; Savage, David R.; Lakshmanan, Balasubramanian; Vecasey, Pamela M.

2013-04-16T23:59:59.000Z

152

A new control strategy to improve the performance of PWM ac to dc converter under unbalanced operating condition  

E-Print Network [OSTI]

, this improved performance of the converter is not necessarily achieved. Unbalanced voltage inputs introduce a significant amount of unwanted harmonics in the input current and output voltage of the converter. These unwanted harmonics result in increased... and to develop some techniques to preserve their high performance features. This thesis. therefore. presents a new control strategy which selectively cancels the generated abnormal harmonics from the input and output waveforms without the addition of any...

Choudhury, Shamim A.

1992-01-01T23:59:59.000Z

153

Hatchery Evaluation Report / Lyons Ferry Hatchery - Fall Chinook : An Independent Audit Based on Integrated Hatchery Operations Teams (IHOT) Performance Measures : Final Report.  

SciTech Connect (OSTI)

This report presents the findings of the independent audit of the Lyons Ferry Hatchery (Fall Chinook). The audit is being conducted as a requirement of the Northwest Power Planning Council (NPPC) ``Strategy for Salmon`` and the Columbia River Basin Fish and Wildlife Program. Under the audit, the hatcheries are evaluated against policies and related performance measures developed by the Integrated Hatchery Operations Team (IHOT). IHOT is a multi-agency group established by the NPPC to direct the development of new basinwide standards for managing and operating fish hatcheries. The audit was conducted in April 1996 as part of a two-year effort that will include 67 hatcheries and satellite facilities located on the Columbia and Snake River system in Idaho, Oregon, and Washington. The hatchery operating agencies include the US Fish and Wildlife Service, Idaho Department of Fish and Game, Oregon Department of Fish and Wildlife, and Washington Department of Fish and Wildlife.

Watson, Montgomery

1996-05-01T23:59:59.000Z

154

Properties and Cycle Performance of Refrigerant Blends Operating Near and Above the Refrigerant Critical Point, Task 2: Air Conditioner System Study  

SciTech Connect (OSTI)

The main goal of this project was to investigate and compare the performance of an R410A air conditioner to that of an R22 air conditioner, with specific interest in performance at high ambient temperatures at which the condenser of the R410A system may be operating above the refrigerant's critical point. Part 1 of this project consisted of conducting comprehensive measurements of thermophysical for refrigerant R125 and refrigerant blends R410A and R507A and developing new equation of state formulations and mixture models for predicting thermophysical properties of HFC refrigerant blends. Part 2 of this project conducted performance measurements of split-system, 3-ton R22 and R410A residential air conditioners in the 80 to 135 F (27.8 to 57.2 C) outdoor temperature range and development of a system performance model. The performance data was used in preparing a beta version of EVAP-COND, a windows-based simulation package for predicting performance of finned-tube evaporators and condensers. The modeling portion of this project also included the formulation of a model for an air-conditioner equipped with a thermal expansion valve (TXV). Capacity and energy efficiency ratio (EER) were measured and compared. The R22 system's performance was measured over the outdoor ambient temperature range of 80 to 135 F (27.8 to 57.2 C). The same test range was planned for the R410A system. However, the compressor's safety system cut off the compressor at the 135.0 F (57.2 C) test temperature. The highest measurement on this system was at 130.0 F (54.4 C). Subsequently, a custom-manufactured R410A compressor with a disabled safety system and a more powerful motor was installed and performance was measured at outdoor temperatures up to 155.0 F (68.3 C). Both systems had similar capacity and EER performance at 82.0 F (27.8 C). The capacity and EER degradation of both systems were nearly linearly dependent with rising ambient outdoor ambient test temperatures. The performance degradation of R410A at higher temperatures was greater than R22. However, the R22 and R410A systems both operated normally during all tests. Visual observations of the R410A system provided no indication of vibrations or TXV hunting at high ambient outdoor test conditions with the compressor operating in the transcritical regime.

Piotr A. Domanski; W. Vance Payne

2002-10-31T23:59:59.000Z

155

Summary of operations and performance of the Utica aquifer and North Lake Basin Wetlands restoration project in December 2006-November 2007.  

SciTech Connect (OSTI)

This document summarizes the performance of the groundwater restoration systems installed by the Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) at the former CCC/USDA grain storage facility in Utica, Nebraska, during the third year of system operation, from December 1, 2006, until November 30, 2007. In the project at Utica, the CCC/USDA is cooperating with multiple state and federal agencies to remove carbon tetrachloride contamination from a shallow aquifer underlying the town and to provide supplemental treated groundwater for use in the restoration of a nearby wetlands area. Argonne National Laboratory has assisted the CCC/USDA by providing technical oversight for the aquifer restoration effort and facilities during this review period. This document presents overviews of the aquifer restoration facilities (Section 2) and system operations (Section 3), then describes groundwater production results (Section 4); groundwater treatment results (Section 5); and associated groundwater monitoring, system modifications, and costs during the review period (Section 6). Section 7 summarizes the present year of operation and provides some comparisons with system performance in previous years. The performance of the groundwater restoration systems at Utica in earlier years was summarized in greater detail previously (Argonne 2005, 2006).

LaFreniere, L. M.; Environmental Science Division

2008-04-02T23:59:59.000Z

156

Cumulative sum quality control for calibrated breast density measurements  

SciTech Connect (OSTI)

Purpose: Breast density is a significant breast cancer risk factor. Although various methods are used to estimate breast density, there is no standard measurement for this important factor. The authors are developing a breast density standardization method for use in full field digital mammography (FFDM). The approach calibrates for interpatient acquisition technique differences. The calibration produces a normalized breast density pixel value scale. The method relies on first generating a baseline (BL) calibration dataset, which required extensive phantom imaging. Standardizing prospective mammograms with calibration data generated in the past could introduce unanticipated error in the standardized output if the calibration dataset is no longer valid. Methods: Sample points from the BL calibration dataset were imaged approximately biweekly over an extended timeframe. These serial samples were used to evaluate the BL dataset reproducibility and quantify the serial calibration accuracy. The cumulative sum (Cusum) quality control method was used to evaluate the serial sampling. Results: There is considerable drift in the serial sample points from the BL calibration dataset that is x-ray beam dependent. Systematic deviation from the BL dataset caused significant calibration errors. This system drift was not captured with routine system quality control measures. Cusum analysis indicated that the drift is a sign of system wear and eventual x-ray tube failure. Conclusions: The BL calibration dataset must be monitored and periodically updated, when necessary, to account for sustained system variations to maintain the calibration accuracy.

Heine, John J.; Cao Ke; Beam, Craig [Cancer Prevention and Control Division, Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, Florida 33612 (United States); Division of Epidemiology and Biostatistics, School of Public Health, University of Illinois at Chicago, 1603 W. Taylor St., Chicago, Illinois 60612 (United States)

2009-12-15T23:59:59.000Z

157

Cumulative biological impacts of The Geysers geothermal development  

SciTech Connect (OSTI)

The cumulative nature of current and potential future biological impacts from full geothermal development in the steam-dominated portion of The Geysers-Calistoga KGRA are identified by the California Energy Commission staff. Vegetation, wildlife, and aquatic resources information have been reviewed and evaluated. Impacts and their significance are discussed and staff recommendations presented. Development of 3000 MW of electrical energy will result in direct vegetation losses of 2790 acres, based on an estimate of 11.5% loss per lease-hold of 0.93 acres/MW. If unmitigated, losses will be greater. Indirect vegetation losses and damage occur from steam emissions which contain elements (particularly boron) toxic to vegetation. Other potential impacts include chronic low-level boron exposure, acid rain, local climate modification, and mechanical damage. A potential exists for significant reduction and changes in wildlife from direct habitat loss and development influences. Highly erosive soils create the potential for significant reduction of aquatic resources, particularly game fish. Toxic spills have caused some temporary losses of aquatic species. Staff recommends monitoring and implementation of mitigation measures at all geothermal development stages.

Brownell, J.A.

1981-10-01T23:59:59.000Z

158

Microcanonical thermostatistics analysis without histograms: cumulative distribution and Bayesian approaches  

E-Print Network [OSTI]

Microcanonical thermostatistics analysis has become an important tool to reveal essential aspects of phase transitions in complex systems. An efficient way to estimate the microcanonical inverse temperature $\\beta(E)$ and the microcanonical entropy $S(E)$ is achieved with the statistical temperature weighted histogram analysis method (ST-WHAM). The strength of this method lies on its flexibility, as it can be used to analyse data produced by algorithms with generalised sampling weights. However, for any sampling weight, ST-WHAM requires the calculation of derivatives of energy histograms $H(E)$, which leads to non-trivial and tedious binning tasks for models with continuous energy spectrum such as those for biomolecular and colloidal systems. Here, we discuss two alternative methods that avoid the need for such energy binning to obtain continuous estimates for $H(E)$ in order to evaluate $\\beta(E)$ by using ST-WHAM: (i) a series expansion to estimate probability densities from the empirical cumulative distrib...

Alves, Nelson A; Rizzi, Leandro G

2015-01-01T23:59:59.000Z

159

Summary of operations and performance of the Utica aquifer and North Lake Basin Wetlands restoration project in December 2007-November 2008.  

SciTech Connect (OSTI)

This document summarizes the performance of the groundwater restoration systems installed by the Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) at the former CCC/USDA grain storage facility in Utica, Nebraska, during the fourth year of system operation, from December 1, 2007, until November 30, 2008. Performance in earlier years was reported previously (Argonne 2005, 2006, 2008). In the project at Utica, the CCC/USDA is cooperating with multiple state and federal agencies to remove carbon tetrachloride contamination from a shallow aquifer underlying the town and to provide supplemental treated groundwater for use in the restoration of a nearby wetlands area. Argonne National Laboratory assisted the CCC/USDA by providing technical oversight for the aquifer restoration effort and facilities during this review period. This document presents overviews of the aquifer restoration facilities (Section 2) and system operations (Section 3). The report then describes groundwater production results (Section 4); groundwater treatment results (Section 5); and associated maintenance, system modifications, and costs during the review period (Section 6). Section 7 summarizes the present year of operation.

LaFreniere, L. M.; Sedivy, R. A.; Environmental Science Division

2009-01-23T23:59:59.000Z

160

Summary of operations and performance of the Utica aquifer and North Lake Basin Wetlands restoration project in December 2009-November 2010.  

SciTech Connect (OSTI)

This document summarizes the performance of the groundwater restoration systems installed by the Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) at the former CCC/USDA grain storage facility in Utica, Nebraska, during the sixth year of system operation, from December 1, 2009, until November 30, 2010. In the project at Utica, the CCC/USDA is cooperating with multiple state and federal agencies to remove carbon tetrachloride contamination from a shallow aquifer underlying the town and to provide supplemental treated groundwater for use in the restoration of a nearby wetlands area. Argonne National Laboratory has assisted the CCC/USDA by providing technical oversight for the aquifer restoration effort and facilities during this review period. This document presents overviews of the aquifer restoration facilities (Section 2) and system operations (Section 3), then describes groundwater production results (Section 4), groundwater treatment results (Section 5), and associated groundwater monitoring, system modifications, and costs during the review period (Section 6). Section 7 summarizes the present year of operation. Performance prior to December 1, 2009, has been reviewed previously (Argonne 2005, 2006, 2008, 2009a, 2010).

LaFreniere, L. M. (Environmental Science Division)

2011-03-11T23:59:59.000Z

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Summary of operations and performance of the Utica aquifer and North Lake Basin wetlands restoration project in December 2008-November 2009.  

SciTech Connect (OSTI)

This document summarizes the performance of the groundwater restoration systems installed by the Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) at the former CCC/USDA grain storage facility in Utica, Nebraska, during the fifth year of system operation, from December 1, 2008, until November 30, 2009. Performance in earlier years was reported previously (Argonne 2005, 2006, 2008, 2009a). In the project at Utica, the CCC/USDA is cooperating with multiple state and federal agencies to remove carbon tetrachloride contamination from a shallow aquifer underlying the town and to provide supplemental treated groundwater for use in the restoration of a nearby wetlands area. Argonne National Laboratory has assisted the CCC/USDA by providing technical oversight for the aquifer restoration effort and facilities during this review period. This document presents overviews of the aquifer restoration facilities (Section 2) and system operations (Section 3), then describes groundwater production results (Section 4), groundwater treatment results (Section 5), and associated groundwater monitoring, system modifications, and costs during the review period (Section 6). Section 7 summarizes the present year of operation.

LaFreniere, L. M.; Environmental Science Division

2010-05-25T23:59:59.000Z

162

Five-year summary and evaluation of operations and performance of the Utica aquifer and North Lake Basin Wetlands restoration project in 2004-2009.  

SciTech Connect (OSTI)

This document reviews the performance of the groundwater (and wetlands) restoration program implemented by the Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) at the former CCC/USDA grain storage facility in Utica, Nebraska, during the first five years (2004-2009) of this initiative. The report summarizes treatment system operational data and regulatory compliance monitoring results for the site during this period, together with the results of the targeted groundwater sampling and analysis for volatile organic compounds (VOCs) conducted in early 2010 (following completion of the fifth year of systems operation), to assess the initial five years of progress of the Utica remediation effort. On the basis of the 2003 groundwater sampling results, a remedial system employing 4 extraction wells (GWEX1-GWEX4), with groundwater treatment by spray irrigation and conventional air stripping, was implemented with the concurrence of the CCC/USDA and the agencies (Table 1.1). The principal components of the system are shown in Figure 1.3 and are briefly described in Section 1.2. Operation of well GWEX4 and the associated air stripper began on October 29, 2004, and routine operation of wells GWEX1-GWEX3 and the spray irrigation treatment units began on November 22, 2004.

LaFreniere, L. M. (Environmental Science Division) [Environmental Science Division

2011-09-13T23:59:59.000Z

163

Steam generation in line-focus solar collectors: a comparative assessment of thermal performance, operating stability, and cost issues  

SciTech Connect (OSTI)

The engineering and system benefits of using direct steam (in situ) generation in line-focus collectors are assessed. The major emphasis of the analysis is a detailed thermal performance comparison of in situ systems (which utilize unfired boilers). The analysis model developed for this study is discussed in detail. An analysis of potential flow stability problems is also provided along with a cursory cost analysis and an assessment of freeze protection, safety, and control issues. Results indicated a significant thermal performance advantage over the more conventional oil and flash systems and the flow stability does not appear to be a significant problem. In particular, at steam temperatures of 220/sup 0/C (430/sup 0/F) under the chosen set of assumptions, annual delivered energy predictions indicate that the in situ system can deliver 15% more energy than an oil system and 12% more energy than a flash system, with all of the systems using the same collector field. Further, the in situ system may result in a 10% capital cost reduction. Other advantages include improvement in simpler control when compared with flash systems, and fluid handling and safety enhancement when compared with oil systems.

Murphy, L.M.; May, E.K.

1982-04-01T23:59:59.000Z

164

Comparative Performance Analysis of IADR Operating in Natural Gas-Fired and Waste-Heat CHP Modes  

SciTech Connect (OSTI)

Fuel utilization can be dramatically improved through effective recycle of 'waste' heat produced as a by-product of on-site or near-site power generation technologies. Development of modular compact cooling, heating, and power (CHP) systems for end-use applications in commercial and institutional buildings is a key part of the Department of Energy's (DOE) energy policy. To effectively use the thermal energy from a wide variety of sources which is normally discarded to the ambient, many components such as heat exchangers, boilers, absorption chillers, and desiccant dehumidification systems must be further developed. Recently a compact, cost-effective, and energy-efficient integrated active-desiccant vapor-compression hybrid rooftop (IADR) unit has been introduced in the market. It combines the advantages of an advanced direct-expansion cooling system with the dehumidification capability of an active desiccant wheel. The aim of this study is to compare the efficiency of the IADR operation in baseline mode, when desiccant wheel regeneration is driven by a natural gas burner, and in CHP mode, when the waste heat recovered from microturbine exhaust gas is used for desiccant regeneration. Comparative analysis shows an excellent potential for more efficient use of the desiccant dehumidification as part of a CHP system and the importance of proper sizing of the CHP components. The most crucial factor in exploiting the efficiency of this application is the maximum use of thermal energy recovered for heating of regeneration air.

Petrov, Andrei Y [ORNL; Sand, James R [ORNL; Zaltash, Abdolreza [ORNL

2006-01-01T23:59:59.000Z

165

Cumulative impacts study of The Geysers KGRA: public-service impacts of geothermal development  

SciTech Connect (OSTI)

Geothermal development in The Geysers KGRA has affected local public services and fiscal resources in Sonoma, Lake, Mendocino, and Napa counties. Each of these counties underwent rapid population growth between 1970 and 1980, some of which can be attributed to geothermal development. The number of workers currently involved in the various aspects of geothermal development in The Geysers is identified. Using three different development scenarios, projections are made for the number of power plants needed to reach the electrical generation capacity of the steam resource in The Geysers. The report also projects the cumulative number of workers needed to develop the steam field and to construct, operate, and maintain these power plants. Although the number of construction workers fluctuates, most are not likely to become new, permanent residents of the KGRA counties. The administrative and public service costs of geothermal development to local jurisdictions are examined and compared to geothermal revenues accruing to the local governments. Revenues do not cover the immediate fiscal needs resulting from increases in local road maintenance and school enrollment attributable to geothermal development. Several mitigation options are discussed, and a framework is presented for calculating mitigation costs per unit of public service.

Matthews, K.M.

1982-05-01T23:59:59.000Z

166

A Cumulative Energy Demand indicator (CED), life cycle based, for industrial waste management decision making  

SciTech Connect (OSTI)

Highlights: • We developed a methodology useful to environmentally compare industrial waste management options. • The methodology uses a Net Energy Demand indicator which is life cycle based. • The method was simplified to be widely used, thus avoiding cost driven decisions. • This methodology is useful for governments to promote the best environmental options. • This methodology can be widely used by other countries or regions around the world. - Abstract: Life cycle thinking is a good approach to be used for environmental decision-support, although the complexity of the Life Cycle Assessment (LCA) studies sometimes prevents their wide use. The purpose of this paper is to show how LCA methodology can be simplified to be more useful for certain applications. In order to improve waste management in Catalonia (Spain), a Cumulative Energy Demand indicator (LCA-based) has been used to obtain four mathematical models to help the government in the decision of preventing or allowing a specific waste from going out of the borders. The conceptual equations and all the subsequent developments and assumptions made to obtain the simplified models are presented. One of the four models is discussed in detail, presenting the final simplified equation to be subsequently used by the government in decision making. The resulting model has been found to be scientifically robust, simple to implement and, above all, fulfilling its purpose: the limitation of waste transport out of Catalonia unless the waste recovery operations are significantly better and justify this transport.

Puig, Rita, E-mail: rita.puig@eei.upc.edu [Escola d’Enginyeria d’Igualada (EEI), Universitat Politècnica de Catalunya (UPC), Plaça del Rei, 15, 08700 Igualada (Spain); Fullana-i-Palmer, Pere [UNESCO Chair in Life Cycle and Climate Change, Escola Superior de Comerç Internacional, Universitat Pompeu Fabra (UPF), c/Passeig Pujades, 1, 08003 Barcelona (Spain); Baquero, Grau; Riba, Jordi-Roger [Escola d’Enginyeria d’Igualada (EEI), Universitat Politècnica de Catalunya (UPC), Plaça del Rei, 15, 08700 Igualada (Spain); Bala, Alba [UNESCO Chair in Life Cycle and Climate Change, Escola Superior de Comerç Internacional, Universitat Pompeu Fabra (UPF), c/Passeig Pujades, 1, 08003 Barcelona (Spain)

2013-12-15T23:59:59.000Z

167

Summary of first-year operations and performance of the Utica Aquifer and North Lake Basin Wetlands Restoration Project in October 2004-November 2005.  

SciTech Connect (OSTI)

This document summarizes the performance of the groundwater restoration systems installed by the Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) at the former CCC/USDA grain storage facility in Utica, Nebraska, during the initial period of system operation, from October 29, 2004, until November 31, 2005. In the project at Utica, the CCC/USDA is cooperating with multiple state and federal agencies to remove carbon tetrachloride contamination from a shallow aquifer underlying the town and to provide supplemental treated groundwater for use in the restoration of a nearby wetlands area. Argonne National Laboratory has assisted the CCC/USDA by providing technical oversight for the aquifer restoration effort and facilities during this review period. This document presents overviews of the aquifer restoration facilities (Section 2) and system operations (Section 3), then describes groundwater production results (Section 4), groundwater treatment results (Section 5), and modifications and costs during the review period (Section 6). Section 7 summarizes the first year of operation.

LaFreniere, L. M.; Sedivy, R. A.

2006-01-27T23:59:59.000Z

168

Summary of operations and performance of the Utica aquifer and North Lake Basin wetlands restoration project in December 2005-November 2006.  

SciTech Connect (OSTI)

This document summarizes the performance of the groundwater restoration systems installed by the Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) at the former CCC/USDA grain storage facility in Utica, Nebraska, during the second year of system operation, from December 1, 2005, until November 31, 2006. In the project at Utica, the CCC/USDA is cooperating with multiple state and federal agencies to remove carbon tetrachloride contamination from a shallow aquifer underlying the town and to provide supplemental treated groundwater for use in the restoration of a nearby wetlands area. Argonne National Laboratory has assisted the CCC/USDA by providing technical oversight for the aquifer restoration effort and facilities during this review period. This document presents overviews of the aquifer restoration facilities (Section 2) and system operations (Section 3), then describes groundwater production results (Section 4), groundwater treatment results (Section 5), and associated groundwater monitoring, system modifications, and costs during the review period (Section 6). Section 7 summarizes the present year of operation.

LaFreniere, L. M.; Environmental Science Division

2006-12-21T23:59:59.000Z

169

Re-publication of the data from the BILL magnetic spectrometer: The cumulative $?$ spectra of the fission products of $^{235}$U, $^{239}$Pu, and $^{241}$Pu  

E-Print Network [OSTI]

In the 1980s, measurements of the cumulative $\\beta$ spectra of the fission products following the thermal neutron induced fission of $^{235}$U, $^{239}$Pu, and $^{241}$Pu were performed at the magnetic spectrometer BILL at the ILL in Grenoble. This data was published in bins of 250 keV. In this paper, we re-publish the original data in a binning of 50 keV for $^{235}$U and 100 keV for $^{239}$Pu and $^{241}$Pu.

N. Haag; W. Gelletly; F. von Feilitzsch; L. Oberauer; W. Potzel; K. Schreckenbach; A. A. Sonzogni

2014-05-30T23:59:59.000Z

170

E-Print Network 3.0 - assessing cumulative thermal Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

to update . Then Fig. 4. The flowchart for thermal overload risk assessment... load profile. it is our integration of them for the purpose of cumulative ... Source: McCalley,...

171

Consideration of Cumulative Impacts in EPA Review of NEPA Documents, EPA Office of Federal Activities  

Broader source: Energy.gov [DOE]

The purpose of this guidance is to assist EPA reviewers of NEPA documents in providing accurate, realistic, and consistent comments on the assessment of cumulative impacts. The guidance focuses on...

172

Fact #843: October 20, 2014 Cumulative Plug-in Electric Vehicle...  

Broader source: Energy.gov (indexed) [DOE]

than Hybrid Electric Vehicle Sales in the First 45 Months since Market Introduction - Dataset Fact 843: October 20, 2014 Cumulative Plug-in Electric Vehicle Sales are Two and a...

173

Fact #843: October 20, 2014 Cumulative Plug-in Electric Vehicle...  

Broader source: Energy.gov (indexed) [DOE]

2003) there were a total of 95,778 hybrid vehicles sold. The first mass-marketed plug-in electric vehicles arrived in December 2010. By August 2014 (45 months later), cumulative...

174

Evaluating Cumulative Ecosystem Response to Restoration Projects in the Columbia River Estuary, Annual Report 2007  

SciTech Connect (OSTI)

The goal of this multi-year study (2004-2010) is to develop a methodology to evaluate the cumulative effects of multiple habitat restoration projects intended to benefit ecosystems supporting juvenile salmonids in the lower Columbia River and estuary. Literature review in 2004 revealed no existing methods for such an evaluation and suggested that cumulative effects could be additive or synergistic. Field research in 2005, 2006, and 2007 involved intensive, comparative studies paired by habitat type (tidal swamp vs. marsh), trajectory (restoration vs. reference site), and restoration action (tide gate vs. culvert vs. dike breach). The field work established two kinds of monitoring indicators for eventual cumulative effects analysis: core and higher-order indicators. Management implications of limitations and applications of site-specific effectiveness monitoring and cumulative effects analysis were identified.

Johnson, Gary E.; Diefenderfer, Heida L.; Borde, Amy B.; Dawley, Earl M.; Ebberts, Blaine D.; Putman, Douglas A.; Roegner, G. C.; Russell, Micah; Skalski, John R.; Thom, Ronald M.; Vavrinec, John

2008-10-01T23:59:59.000Z

175

The Effects of Resistance Exercise on In Vivo Cumulative Skeletal Muscle Protein Synthesis  

E-Print Network [OSTI]

THE EFFECTS OF RESISTANCE EXERCISE ON IN VIVO CUMULATIVE SKELETAL MUSCLE PROTEIN SYNTHESIS A Dissertation by HEATH G. GASIER Submitted to the Office of Graduate Studies of Texas A&M University in partial... fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY May 2009 Major Subject: Kinesiology THE EFFECTS OF RESISTANCE EXERCISE ON IN VIVO CUMULATIVE SKELETAL MUSCLE PROTEIN SYNTHESIS A Dissertation...

Gasier, Heath G.

2010-07-14T23:59:59.000Z

176

Dynamic Analysis of Hybrid Energy Systems under Flexible Operation and Variable Renewable Generation -- Part I: Dynamic Performance Analysis and Part II: Dynamic Cost  

SciTech Connect (OSTI)

Dynamic analysis of hybrid energy systems (HES) under flexible operation and variable renewable generation is considered in order to better understand various challenges and opportunities associated with the high system variability arising from the integration of renewable energy into the power grid. Unique consequences are addressed by devising advanced HES solutions in which multiple forms of energy commodities, such as electricity and chemical products, may be exchanged. Dynamic models of various unit operations are developed and integrated within two different HES options. One HES option, termed traditional, produces electricity only and consists of a primary heat generator (PHG) (e.g., a small modular reactor), a steam turbine generator, a wind farm, and a battery storage. The other HES option, termed advanced, includes not only the components present in the traditional option but also a chemical plant complex to repurpose excess energy for non-electricity services, such as for the production of chemical goods (e.g., transportation fuel). In either case, a given HES is connected to the power grid at a point of common coupling and requested to deliver a certain electricity generation profile as dictated by a regional power grid operator based on a predicted demand curve. Dynamic analysis of these highly-coupled HES are performed to identify their key dynamical properties and limitations and to prescribe solutions for best managing and mitigating the high variability introduced from incorporating renewable energy into the energy mix. A comparative dynamic cost analysis is also conducted to determine best HES options. The cost function includes a set of metrics for computing fixed costs, such as fixed operations and maintenance (O&M) and overnight capital costs, and also variable operational costs, such as cost of variability, variable O&M cost, and cost of environmental impact, together with revenues. Assuming different options for implementing PHG (e.g., natural gas, coal, nuclear), preliminary results identify the level of renewable penetration at which a given advanced HES option (e.g., a nuclear hybrid) becomes increasingly more economical than a traditional electricity-only generation solution. Conditions are also revealed under which carbon resources may be better utilized as carbon sources for chemical production rather than as combustion material for electricity generation.

Humberto E. Garcia; Amit Mohanty; Wen-Chiao Lin; Robert S. Cherry

2013-04-01T23:59:59.000Z

177

System Performance Testing of the Pulse-Echo Ultrasonic Instrument for Critical Velocity Determination during Hanford Tank Waste Transfer Operations - 13584  

SciTech Connect (OSTI)

The delivery of Hanford double-shell tank waste to the Hanford Tank Waste Treatment and Immobilization Plant (WTP) is governed by specific Waste Acceptance Criteria that are identified in ICD 19 - Interface Control Document for Waste Feed. Waste must be certified as acceptable before it can be delivered to the WTP. The fluid transfer velocity at which solid particulate deposition occurs in waste slurry transport piping (critical velocity) is a key waste acceptance parameter that must be accurately characterized to determine if the waste is acceptable for transfer to the WTP. Washington River Protection Solutions and the Pacific Northwest National Laboratory have been evaluating the ultrasonic PulseEcho instrument since 2010 for its ability to detect particle settling and determine critical velocity in a horizontal slurry transport pipeline for slurries containing particles with a mean particle diameter of =14 micrometers (?m). In 2012 the PulseEcho instrument was further evaluated under WRPS' System Performance test campaign to identify critical velocities for slurries that are expected to be encountered during Hanford tank waste retrieval operations or bounding for tank waste feed. This three-year evaluation has demonstrated the ability of the ultrasonic PulseEcho instrument to detect the onset of critical velocity for a broad range of physical and rheological slurry properties that are likely encountered during the waste feed transfer operations between the Hanford tank farms and the WTP. (authors)

Denslow, Kayte M.; Bontha, Jagannadha R.; Adkins, Harold E.; Jenks, Jeromy W.J.; Hopkins, Derek F. [Pacific Northwest National Laboratory, Richland, Washington 99354 (United States)] [Pacific Northwest National Laboratory, Richland, Washington 99354 (United States); Thien, Michael G.; Kelly, Steven E.; Wooley, Theodore A. [Washington River Protection Solutions, Richland, Washington 99354 (United States)] [Washington River Protection Solutions, Richland, Washington 99354 (United States)

2013-07-01T23:59:59.000Z

178

System Performance Testing of the Pulse-Echo Ultrasonic Instrument for Critical Velocity Determination during Hanford Tank Waste Transfer Operations - 13584  

SciTech Connect (OSTI)

The delivery of Hanford double-shell tank waste to the Hanford Tank Waste Treatment and Immobilization Plant (WTP) is governed by specific Waste Acceptance Criteria that are identified in ICD 19 - Interface Control Document for Waste Feed. Waste must be certified as acceptable before it can be delivered to the WTP. The fluid transfer velocity at which solid particulate deposition occurs in waste slurry transport piping (critical velocity) is a key waste acceptance parameter that must be accurately characterized to determine if the waste is acceptable for transfer to the WTP. Washington River Protection Solutions and the Pacific Northwest National Laboratory have been evaluating the ultrasonic PulseEcho instrument since 2010 for its ability to detect particle settling and determine critical velocity in a horizontal slurry transport pipeline for slurries containing particles with a mean particle diameter of ?14 micrometers (?m). In 2012 the PulseEcho instrument was further evaluated under WRPS’ System Performance test campaign to identify critical velocities for slurries that are expected to be encountered during Hanford tank waste retrieval operations or bounding for tank waste feed. This three-year evaluation has demonstrated the ability of the ultrasonic PulseEcho instrument to detect the onset of critical velocity for a broad range of physical and rheological slurry properties that are likely encountered during the waste feed transfer operations between the Hanford tank farms and the WTP.

Denslow, Kayte M.; Bontha, Jagannadha R.; Adkins, Harold E.; Jenks, Jeromy WJ; Hopkins, Derek F.; Thien, Michael G.; Kelly, Steven E.; Wooley, Theodore A.

2013-06-01T23:59:59.000Z

179

Measured Performance and Analysis of Ground Source Heat Pumps for Space Conditioning and for Water Heating in a Low-Energy Test House Operated under Simulated Occupancy Conditions  

SciTech Connect (OSTI)

In this paper we present measured performance and efficiency metrics of Ground Source Heat Pumps (GSHPs) for space conditioning and for water heating connected to a horizontal ground heat exchanger (GHX) loop. The units were installed in a 345m2 (3700ft2) high-efficiency test house built with structural insulated panels (SIPs), operated under simulated occupancy conditions, and located in Oak Ridge, Tennessee (USA) in US Climate Zone 4 . The paper describes distinctive features of the building envelope, ground loop, and equipment, and provides detailed monthly performance of the GSHP system. Space conditioning needs of the house were completely satisfied by a nominal 2-ton (7.0 kW) water-to-air GSHP (WA-GSHP) unit with almost no auxiliary heat usage. Recommendations for further improvement through engineering design changes are identified. The comprehensive set of data and analyses demonstrate the feasibility and practicality of GSHPs in residential applications and their potential to help achieve source energy and greenhouse gas emission reduction targets set under the IECC 2012 Standard.

Ally, Moonis Raza [ORNL] [ORNL; Munk, Jeffrey D [ORNL] [ORNL; Baxter, Van D [ORNL] [ORNL; Gehl, Anthony C [ORNL] [ORNL

2012-01-01T23:59:59.000Z

180

Evaluating Cumulative Ecosystem Response to Restoration Projects in the Lower Columbia River and Estuary, 2009  

SciTech Connect (OSTI)

This is the sixth annual report of a seven-year project (2004 through 2010) to evaluate the cumulative effects of habitat restoration actions in the lower Columbia River and estuary (LCRE). The project, called the Cumulative Effects Study, is being conducted for the U.S. Army Corps of Engineers Portland District (USACE) by the Marine Sciences Laboratory of the Pacific Northwest National Laboratory (PNNL), the Pt. Adams Biological Field Station of the National Marine Fisheries Service (NMFS), the Columbia River Estuary Study Taskforce (CREST), and the University of Washington. The goal of the Cumulative Effects Study is to develop a methodology to evaluate the cumulative effects of multiple habitat restoration projects intended to benefit ecosystems supporting juvenile salmonids in the 235-km-long LCRE. Literature review in 2004 revealed no existing methods for such an evaluation and suggested that cumulative effects could be additive or synergistic. From 2005 through 2009, annual field research involved intensive, comparative studies paired by habitat type (tidal swamp versus marsh), trajectory (restoration versus reference site), and restoration action (tidegate replacement vs. culvert replacement vs. dike breach).

Johnson, Gary E.; Diefenderfer, Heida L.; Borde, Amy B.; Bryson, Amanda J.; Cameron, April; Coleman, Andre M.; Corbett, C.; Dawley, Earl M.; Ebberts, Blaine D.; Kauffman, Ronald; Roegner, G. Curtis; Russell, Micah T.; Silva, April; Skalski, John R.; Thom, Ronald M.; Vavrinec, John; Woodruff, Dana L.; Zimmerman, Shon A.

2010-10-26T23:59:59.000Z

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Cumulative exposure to arsenic and its relationship to respiratory cancer among copper-smelter employees  

SciTech Connect (OSTI)

To explore the role of arsenic as a human carcinogen, the respiratory cancer-mortality experience (1938 to 1977) of 8045 white-male smelter employees in Montana was examined relative to cumulative exposure to arsenic trioxide and was compared with that of the white male population of the same region. Exposure to arsenic was estimated for various work areas from industrial-hygiene reports of average concentrations present in the smelter. Respiratory cancer mortality was analyzed further by time period of first employment and maximum lifetime exposure to arsenic trioxide. When exposure was estimated with arithmetic means of measured concentrations among men first employed prior to 1925, respiratory cancer mortality increased linearly with increasing cumulative exposure group, ranging from two to nine times expected; among those first employed in the period 1925 to 1947 it also increased linearly with increasing cumulative exposure group.

Lee-Feldstein, A.

1986-01-01T23:59:59.000Z

182

Cumulative exposure to arsenic and its relationship to respiratory cancer among copper smelter employees  

SciTech Connect (OSTI)

To explore the role of arsenic as a human carcinogen, the respiratory cancer mortality experience (1938 to 1977) of 8,045 while male smelter employees in Montana was examined relative to cumulative exposure to arsenic trioxide and was compared with that of the white male population of the same region. Exposure to arsenic was estimated for various work areas from industrial hygiene reports of average concentrations present in the smelter. Respiratory cancer mortality was analyzed further by time period of first employment and maximum lifetime exposure to arsenic trioxide. When exposure was estimated with arithmetic means of measured concentrations among men first employed prior to 1925, respiratory cancer mortality increased linearly with increasing cumulative exposure group, ranging from two to nine times expected; among those first employed in the period 1925 to 1947 it also increased linearly with increasing cumulative exposure group.

Lee-Feldstein, A.

1986-04-01T23:59:59.000Z

183

Momentum space metric, non-local operator, and topological insulators  

E-Print Network [OSTI]

Momentum space of a gapped quantum system is a metric space: it admits a notion of distance reflecting properties of its quantum ground state. By using this quantum metric, we investigate geometric properties of momentum space. In particular, we introduce a non-local operator which represents distance square in real space and show that this corresponds to the Laplacian in curved momentum space, and also derive its path integral representation in momentum space. The quantum metric itself measures the second cumulant of the position operator in real space, much like the Berry gauge potential measures the first cumulant or the electric polarization in real space. By using the non-local operator and the metric, we study some aspects of topological phases such as topological invariants, the cumulants and topological phase transitions. The effect of interactions to the momentum space geometry is also discussed.

Shunji Matsuura; Shinsei Ryu

2010-07-13T23:59:59.000Z

184

Cumulative impact assessments and bird/wind farm interactions: Developing a conceptual framework  

SciTech Connect (OSTI)

The wind power industry has grown rapidly in the UK to meet EU targets of sourcing 20% of energy from renewable sources by 2020. Although wind power is a renewable energy source, there are environmental concerns over increasing numbers of wind farm proposals and associated cumulative impacts. Individually, a wind farm, or indeed any action, may have minor effects on the environment, but collectively these may be significant, potentially greater than the sum of the individual parts acting alone. EU and UK legislation requires a cumulative impact assessment (CIA) as part of Environmental Impact Assessments (EIA). However, in the absence of detailed guidance and definitions, such assessments within EIA are rarely adequate, restricting the acquisition of basic knowledge about the cumulative impacts of wind farms on bird populations. Here we propose a conceptual framework to promote transparency in CIA through the explicit definition of impacts, actions and scales within an assessment. Our framework requires improved legislative guidance on the actions to include in assessments, and advice on the appropriate baselines against which to assess impacts. Cumulative impacts are currently considered on restricted scales (spatial and temporal) relating to individual development EIAs. We propose that benefits would be gained from elevating CIA to a strategic level, as a component of spatially explicit planning.

Masden, Elizabeth A., E-mail: e.masden.1@research.gla.ac.u [Department of Ecology and Evolutionary Biology, University of Glasgow, Glasgow, G12 8QQ (United Kingdom) and Boyd Orr Centre for Population and Ecosystem Health, University of Glasgow, Glasgow, G12 8QQ (United Kingdom); Fox, Anthony D., E-mail: tfo@dmu.d [Department of Wildlife Ecology and Biodiversity, National Environmental Research Institute, University of Aarhus, Kalo, Grenavej 14, 8410 Ronde (Denmark); Furness, Robert W., E-mail: r.furness@bio.gla.ac.u [Department of Ecology and Evolutionary Biology, University of Glasgow, Glasgow, G12 8QQ (United Kingdom); Bullman, Rhys, E-mail: rhys.bullman@rpsgroup.co [Scottish Natural Heritage, The Beta Centre, Innovation Park, University of Stirling, Stirling FK9 4NF (United Kingdom); Haydon, Daniel T., E-mail: d.haydon@bio.gla.ac.u [Department of Ecology and Evolutionary Biology, University of Glasgow, Glasgow, G12 8QQ (United Kingdom); Boyd Orr Centre for Population and Ecosystem Health, University of Glasgow, Glasgow, G12 8QQ (United Kingdom)

2010-01-15T23:59:59.000Z

185

Evaluation of Cumulative Ecosystem Response to Restoration Projects in the Lower Columbia River and Estuary, 2010  

SciTech Connect (OSTI)

This is the seventh and final annual report of a project (2004–2010) addressing evaluation of the cumulative effects of habitat restoration actions in the 235-km-long lower Columbia River and estuary. The project, called the Cumulative Effects (CE) study, was conducted for the U.S. Army Corps of Engineers Portland District by a collaboration of research agencies led by the Pacific Northwest National Laboratory. We achieved the primary goal of the CE study to develop a methodology to evaluate the cumulative effects of habitat actions in the Columbia Estuary Ecosystem Restoration Program. We delivered 1) standard monitoring protocols and methods to prioritize monitoring activities; 2) the theoretical and empirical basis for a CE methodology using levels-of-evidence; 3) evaluations of cumulative effects using ecological relationships, geo-referenced data, hydrodynamic modeling, and meta-analyses; and 4) an adaptive management process to coordinate and coalesce restoration efforts in the LCRE. A solid foundation has been laid for future comprehensive evaluations of progress made by the Columbia Estuary Ecosystem Restoration Program to understand, conserve, and restore ecosystems in the lower Columbia River and estuary.

Johnson, Gary E.; Diefenderfer, Heida L.; Thom, Ronald M.; Roegner, G. Curtis; Ebberts, Blaine D.; Skalski, John R.; Borde, Amy B.; Dawley, Earl; Coleman, Andre M.; Woodruff, Dana L.; Breithaupt, Stephen A.; Cameron, April; Corbett, C.; Donley, Erin E.; Jay, D. A.; Ke, Yinghai; Leffler, K.; McNeil, C.; Studebaker, Cindy; Tagestad, Jerry D.

2012-05-01T23:59:59.000Z

186

Cumulative environmental impacts and integrated coastal management: the case of Xiamen, China  

E-Print Network [OSTI]

Cumulative environmental impacts and integrated coastal management: the case of Xiamen, China, Environmental Science Research Center, Xiamen University, Xiamen, China b Management Science and the implementation of integrated coastal management within the harbour of Xiamen, China, an urban region in which

Charles, Anthony

187

BLIND CHANNEL IDENTIFICATION OF MISO SYSTEMS BASED ON THE CP DECOMPOSITION OF CUMULANT TENSORS  

E-Print Network [OSTI]

BLIND CHANNEL IDENTIFICATION OF MISO SYSTEMS BASED ON THE CP DECOMPOSITION OF CUMULANT TENSORS algorithm for identifying the parameters of MISO sys- tem. 1. INTRODUCTION We consider the following-Input Single-Output (MISO) channel, y[n] is the output signal. Signals and system are assumed to be complex

188

Assessing cumulative impacts within state environmental review frameworks in the United States  

SciTech Connect (OSTI)

Cumulative impact assessment (CIA) is the process of systematically assessing a proposed action's cumulative environmental effects in the context of past, present, and future actions, regardless of who undertakes such actions. Previous studies have examined CIA efforts at the federal level but little is known about how states assess the cumulative impacts of nonfederal projects. By examining state environmental review statutes, administrative rules, agency-prepared materials, and a national survey of the administrators of state environmental review programs, this study identifies the legal and administrative frameworks for CIA. It examines current CIA practice, discusses the relationship between CIA policy and its implementation, and explores the opportunities for improvement. The results of the study show that twenty-nine state environmental review programs across twenty-six states required the assessment of cumulative environmental impacts. More than half of these programs have adopted specific procedures for implementing their policies. Some programs assessed cumulative impacts using a standard review document, and others have created their own documentations incorporated into applications for state permits or funding. The majority of programs have adopted various scales, baselines, significance criteria, and coordination practices in their CIA processes. Mixed methods were generally used for data collection and analysis; qualitative methods were more prevalent than quantitative methods. The results also suggest that a program with comprehensive and consistent environmental review policies and procedures does not always imply extensive CIA requirements and practices. Finally, this study discusses the potential for improving existing CIA processes and promoting CIA efforts in states without established environmental review programs.

Ma Zhao, E-mail: zma@nrc.umass.ed [Department of Natural Resources Conservation, University of Massachusetts Amherst, 160 Holdsworth Way, Amherst, MA 01003-9285 (United States); Becker, Dennis R., E-mail: drbecker@umn.ed [Department of Forest Resources, University of Minnesota, 1530 Cleveland Avenue North, St. Paul, MN 55108-6112 (United States); Kilgore, Michael A., E-mail: mkilgore@umn.ed [Department of Forest Resources, University of Minnesota, 1530 Cleveland Avenue North, St. Paul, MN 55108-6112 (United States)

2009-11-15T23:59:59.000Z

189

Evaluating Cumulative Ecosystem Response to Restoration Projects in the Columbia River Estuary, Annual Report 2006  

SciTech Connect (OSTI)

This report is the third annual report of a six-year project to evaluate the cumulative effects of habitat restoration action in the Columbia River Estuary (CRE). The project is being conducted for the U.S. Army Corps of Engineers (Corps) by the Marine Sciences Laboratory of the Pacific Northwest National Laboratory, the Pt. Adams Biological Field Station of the National Marine Fisheries Service, and the Columbia River Estuary Study Taskforce. Measurement of the cumulative effects of ecological restoration projects in the Columbia River estuary is a formidable task because of the size and complexity of the estuarine landscape and the meta-populations of salmonids in the Columbia River basin. Despite the challenges presented by this system, developing and implementing appropriate indicators and methods to measure cumulative effects is the best way to enable estuary managers to track the overall effectiveness of investments in estuarine restoration projects. This project is developing methods to quantify the cumulative effects of multiple restoration activities in the CRE. The overall objectives of the 2006 study were to continue to develop techniques to assess cumulative effects, refine the standard monitoring protocols, and initiate development of an adaptive management system for Corps of Engineers’ habitat restoration monitoring efforts in the CRE. (The adaptive management effort will be reported at a later date.) Field studies during 2006 were conducted in tidal freshwater at Kandoll Farm on the lower Grays River and tidal brackish water at Vera Slough on Youngs Bay. Within each of area, we sampled one natural reference site and one restoration site. We addressed the overall objectives with field work in 2006 that, coupled with previous field data, had specific objectives and resulted in some important findings that are summarized here by chapter in this report. Each chapter of the report contains data on particular monitored variables for pre- and post-restoration conditions at both the Kandoll and Vera study areas.

Johnson, Gary E.; Borde, Amy B.; Dawley, Earl; Diefenderfer, Heida L.; Ebberts, Blaine D.; Putman, Douglas A.; Roegner, G. C.; Thom, Ronald M.; Vavrinec, John; Whiting, Allan H.

2007-12-06T23:59:59.000Z

190

A Monte Carlo procedure for the construction of complementary cumulative distribution functions for comparison with the EPA release limits for radioactive waste disposal  

SciTech Connect (OSTI)

A Monte Carlo procedure for the construction of complementary cumulative distribution functions (CCDFs) for comparison with the US Environmental Protection Agency (EPA) release limits for radioactive waste disposal (40 CFR 191, Subpart B) is described and illustrated with results from a recent performance assessment (PA) for the Waste Isolation Pilot Plant (WIPP). The Monte Carlo procedure produces CCDF estimates similar to those obtained with stratified sampling in several recent PAs for the WIPP. The advantages of the Monte Carlo procedure over stratified sampling include increased resolution in the calculation of probabilities for complex scenarios involving drilling intrusions and better use of the necessarily limited number of mechanistic calculations that underlie CCDF construction.

Helton, J.C.; Shiver, A.W.

1994-10-01T23:59:59.000Z

191

Cumulative Index  

E-Print Network [OSTI]

-96. Campbell, Jean. "Epistemological Considerations of Galileo's Method", v.8, n.2 (Summer, 1981), pp. 131-142. Carleton, Lawrence Richard. "Toward a Defense of Direct Realism", v.5, n.2 (February, 1978), pp. 101-111. 317 Cohen, Elliot D. "The... Episteroology of Value", v.5, n.3 (June, 1978), pp. 176-198. Cronin, Robert G. "A Definition of Believing", v.4, n.3 (February, 1977), pp. 122-132. Cronin, Robert G. "Subsistence Demystified?! A Note on Cusmariu's 'Subsistence Demystified'". v.6, n.3 (June...

192

Cumulative Index  

E-Print Network [OSTI]

Significance of Hegel's Four World-Historical Realms" by Eric von der Luft "A Recovery of Innocence: The Dynamics of Sartrean Radical Conversion" by Kerry S. Walters "Freedom and Determinism in Spinoza" by John M. Russell "Locke's Theory of Property: A Re...

193

Baseline for the cumulants of net-proton distributions at STAR  

E-Print Network [OSTI]

We present a systematic comparison between the recently measured cumulants of the net-proton distributions by STAR for 0-5% central Au+Au collisions at $\\sqrt{s_{NN}}$=7.7-200 GeV and two kinds of possible baseline measures, the Poisson and Binomial baselines. These baseline measures are assuming that the proton and anti-proton distributions independently follow Poisson statistics or Binomial statistics. The higher order cumulant net-proton data are observed to deviate from all the baseline measures studied at 19.6 and 27 GeV. We also compare the net-proton with net-baryon fluctuations in UrQMD and AMPT model, and convert the net-proton fluctuations to net-baryon fluctuations in AMPT model by using a set of formula.

Xiaofeng Luo; Bedangadas Mohanty; Nu Xu

2014-11-26T23:59:59.000Z

194

Effect of cumulative seismic damage and corrosion on life-cycle cost of reinforced concrete bridges  

E-Print Network [OSTI]

Mauricio Sanchez-Silva Colleen Murphy Head of Department, David Rosowsky December 2007 Major Subject: Civil Engineering iii ABSTRACT Effect of Cumulative Seismic Damage and Corrosion on Life-Cycle Cost.... Paolo Gardoni for his technical guidance and for helping with financial support during my study period. I thank Dr. Mauricio Sanchez-Silva for helping me at all stages with his promptness to clear my doubts anytime I approached him. I acknowledge...

Kumar, Ramesh

2009-05-15T23:59:59.000Z

195

Evaluating Cumulative Ecosystem Response to Restoration Projects in the Columbia River Estuary, Annual Report 2004  

SciTech Connect (OSTI)

The restoration of wetland salmon habitat in the tidal portion of the Columbia River is occurring at an accelerating pace and is anticipated to improve habitat quality and effect hydrological reconnection between existing and restored habitats. Currently multiple groups are applying a variety of restoration strategies in an attempt to emulate historic estuarine processes. However, the region lacks both a standardized means of evaluating the effectiveness of individual projects as well as methods for determining the cumulative effects of all restoration projects on a regional scale. This project is working to establish a framework to evaluate individual and cumulative ecosystem responses to restoration activities in order to validate the effectiveness of habitat restoration activities designed to benefit salmon through improvements to habitat quality and habitat opportunity (i.e. access) in the Columbia River from Bonneville Dam to the ocean. The review and synthesis of approaches to measure the cumulative effects of multiple restoration projects focused on defining methods and metrics of relevance to the CRE, and, in particular, juvenile salmon use of this system. An extensive literature review found no previous study assessing the cumulative effects of multiple restoration projects on the fundamental processes and functions of a large estuarine system, although studies are underway in other large land-margin ecosystems including the Florida Everglades and the Louisiana coastal wetlands. Literature from a variety of scientific disciplines was consulted to identify the ways that effects can accumulate (e.g., delayed effects, cross-boundary effects, compounding effects, indirect effects, triggers and thresholds) as well as standard and innovative tools and methods utilized in cumulative effects analyses: conceptual models, matrices, checklists, modeling, trends analysis, geographic information systems, carrying capacity analysis, and ecosystem analysis. Potential indicators for detecting a signal in the estuarine system resulting from the multiple projects were also reviewed, i.e. organic matter production, nutrient cycling, sedimentation, food webs, biodiversity, salmon habitat usage, habitat opportunity, and allometry. In subsequent work, this information will be used to calculate the over net effect on the ecosystem. To evaluate the effectiveness of habitat restoration actions in the lower Columbia River and estuary, a priority of this study has been to develop a set of minimum ecosystem monitoring protocols based on metrics important for the CRE. The metrics include a suite of physical measurements designed to evaluate changes in hydrological and topographic features, as well as biological metrics that will quantify vegetation and fish community structure. These basic measurements, intended to be conducted at all restoration sites in the CRE, will be used to (1) evaluate the effectiveness of various restoration procedures on target metrics, and (2) provide the data to determine the cumulative effects of many restoration projects on the overall system. A protocol manual is being developed for managers, professional researchers, and informed volunteers, and is intended to be a practical technical guide for the design and implementation of monitoring for the effects of restoration activities. The guidelines are intended to standardize the collection of data critical for analyzing the anticipated ecological change resulting from restoration treatments. Field studies in 2005 are planned to initiate the testing and evaluation of these monitoring metrics and protocols and initiate the evaluation of higher order metrics for cumulative effects.

Diefenderfer, Heida L.; Roegner, Curtis; Thom, Ronald M.; Dawley, Earl M.; Whiting, Allan H.; Johnson, Gary E.; Sobocinski, Kathryn L.; Anderson, Michael G.; Ebberts, Blaine

2005-12-15T23:59:59.000Z

196

UNCORRECTEDPROOF Please cite this article in press as: N.L. McCook et al., Cumulative damage modeling of solid lubricant coatings that experience wear and  

E-Print Network [OSTI]

UNCORRECTEDPROOF Please cite this article in press as: N.L. McCook et al., Cumulative damage.1016/j.wear.2007.01.042 ARTICLE IN PRESS+Model WEA982061­6 Wear xxx (2007) xxx­xxx Cumulative damage fall closely to the fit for the cumulative damage model. This result also shows that these coatings

Sawyer, Wallace

197

Cumulative Effects of Micro-Hydro Development on the Fisheries of the Swan River Drainage, Montana, Volume I, Summary, 1983-1984 Final Report.  

SciTech Connect (OSTI)

This study was designed to develop and apply methods to evaluate the cumulative effects of 20 proposed small hydro projects on the fisheries resources of the Swan River drainage located in northwestern Montana. Fish population and reach classification information was used to estimate total populations of 107,000 brook trout, 65,000 cut-throat trout and 31,000 juvenile bull trout within the tributary system. Distribution, abundance, and life history of fish species in the drainage and their contribution to the sport fishery were considered in the cumulative impact analysis. Bull trout were chosen as the primary species of concern because of their extensive use of project areas, sensitivity to streambed sedimentation, and their importance to the lake and river sport fisheries. Dewatering of hydroelectric diversion zones and streambed sedimentation (resulting from forest and small hydro development) were the major impacts considered. The developer proposed to divert up to the entire streamflow during low flow months because maintenance of recommended minimum bypass flows would not allow profitable project operation. Dewatering was assumed to result in a total loss of fish production in these areas. 105 refs., 19 figs., 38 tabs.

Leathe, Stephen A.; Enk, Michael D.

1985-04-01T23:59:59.000Z

198

Extreme Performance Scalable Operating Systems Final Progress Report (July 1, 2008 Ã?Â?Ã?¢Ã?Â?Ã?Â?Ã?Â?Ã?Â? October 31, 2011)  

SciTech Connect (OSTI)

This is the final progress report for the FastOS (Phase 2) (FastOS-2) project with Argonne National Laboratory and the University of Oregon (UO). The project started at UO on July 1, 2008 and ran until April 30, 2010, at which time a six-month no-cost extension began. The FastOS-2 work at UO delivered excellent results in all research work areas: * scalable parallel monitoring * kernel-level performance measurement * parallel I/0 system measurement * large-scale and hybrid application performance measurement * onlne scalable performance data reduction and analysis * binary instrumentation

Allen D. Malony; Sameer Shende

2011-10-31T23:59:59.000Z

199

THE RELATIVISTIC HEAVY ION COLLIDER (RHIC) REFRIGERATOR SYSTEM AT BROOKHAVEN NATIONAL LABORATORY: PHASE III OF THE SYSTEM PERFORMANCE AND OPERATIONS UPGRADES FOR 2003  

SciTech Connect (OSTI)

An ongoing program at Brookhaven National Laboratory (BNL) consists of improving the efficiency of the Relativistic Heavy Ion Collider (RHIC) cryogenic system and reducing its power consumption. Phase I and I1 of the program addressed plant operational improvements and modifications that resulted in substantial operational cost reduction and improved system reliability and stability, and a compressor input power reduction of 2 MW has been demonstrated. Phase 111, now under way, consists of plans for further increasing the efficiency of the plant by adding a load ''wet'' turbo-expander and its associated heat exchangers at the low temperature end of the plant. This additional stage of cooling at the coldest level will further reduce the required compressor flow and therefore compressor power input. This paper presents the results of the plant characterization, as it is operating presently, as well as the results of the plant simulations of the various planned upgrades for, the plant. The immediate upgrade includes the changes associated with the load expander. The subsequent upgrade will involve the resizing of expander 5 and 6 to increase their efficiencies. The paper summarizes the expected improvement in the plant efficiency and the overall reduction in the compressor power.

SIDI-YEKHLEF,A.; TUOZZOLO,J.; THAN, R.; KNUDSEN, P.; ARENIUS, D.

2005-08-29T23:59:59.000Z

200

The Relativistic Heavy Ion Collider (RHIC) Refrigerator System at Brookhaven National Laboratory: Phase III of the System Performance and Operations Upgrades for 2006  

SciTech Connect (OSTI)

An ongoing program at Brookhaven National Laboratory (BNL) consists of improving the efficiency of the Relativistic Heavy Ion Collider (RHIC) cryogenic system and reducing its power consumption. Phase I and II of the program addressed plant operational improvements and modifications that resulted in substantial operational cost reduction and improved system reliability and stability, and a compressor input power reduction of 2 MW has been demonstrated. Phase III, now under way, consists of plans for further increasing the efficiency of the plant by adding a load ''wet'' turbo-expander and its associated heat exchangers at the low temperature end of the plant. This additional stage of cooling at the coldest level will further reduce the required compressor flow and therefore compressor power input. This paper presents the results of the plant characterization, as it is operating presently, as well as the results of the plant simulations of the various planned upgrades for the plant. The immediate upgrade includes the changes associated with the load expander. The subsequent upgrade will involve the resizing of expander 5 and 6 to increase their efficiencies. The paper summarizes the expected improvement in the plant efficiency and the overall reduction in the compressor power.

A. Sidi-Yekhlef; R. Than; J. Tuozzolo; V. Ganni; P. Knudsen; D. Arenius

2006-05-01T23:59:59.000Z

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201

Heat Transfer Operators Associated with Quantum Operations  

E-Print Network [OSTI]

Any quantum operation applied on a physical system is performed as a unitary transformation on a larger extended system. If the extension used is a heat bath in thermal equilibrium, the concomitant change in the state of the bath necessarily implies a heat exchange with it. The dependence of the average heat transferred to the bath on the initial state of the system can then be found from the expectation value of a hermitian operator, which is named as the heat transfer operator (HTO). The purpose of this article is the investigation of the relation between the HTOs and the associated quantum operations. Since, any given quantum operation on a system can be realized by different baths and unitaries, many different HTOs are possible for each quantum operation. On the other hand, there are also strong restrictions on the HTOs which arise from the unitarity of the transformations. The most important of these is the Landauer erasure principle. This article is concerned with the question of finding a complete set of restrictions on the HTOs that are associated with a given quantum operation. An answer to this question has been found only for a subset of quantum operations. For erasure operations, these characterizations are equivalent to the generalized Landauer erasure principle. For the case of generic quantum operations however, it appears that the HTOs obey further restrictions which cannot be obtained from the entropic restrictions of the generalized Landauer erasure principle.

Ç. Aksak; S. Turgut

2011-04-14T23:59:59.000Z

202

Influence of initial size on higher cumulant ratios of net-proton number fluctuations  

E-Print Network [OSTI]

With the help of AMPT default model, we study the influence of initial size (centrality of collisions) on higher cumulant ratios of net-proton distributions. If the centrality is presented by impact parameter, there is a strong centrality dependent, in particular, in those peripheral collisions. This dependence is slightly reduced if the centrality is presented by number of participant, or charged multiplicity. However, the dynamical ratios are almost centrality independent. So the centrality dependence of dynamical ratios at RHIC beam energy scan are presented.

Fengbo Xiong; Lizhu Chen; Lin Li; Zhiming Li; Yuanfang Wu

2013-03-01T23:59:59.000Z

203

Quark cluster contribution to cumulative proton emission in fragmentation of carbon ions  

E-Print Network [OSTI]

In the FRAGM experiment at heavy ion accelerator complex TWAC-ITEP, the proton yields at an angle 3.5$^\\circ$ have been measured at fragmentation of carbon ions at $T_0 = $ 0.6, 0.95 and 2.0 GeV/nucleon on beryllium target. The data are presented as invariant proton yields on cumulative variable $x$ in the range 0.9 carbon nuclei are estimated to be 8--12% for six-quark clusters and 0.2--0.6% for nine-quark clusters.

B. M. Abramov; P. N. Alekseev; Yu. A. Borodin; S. A. Bulychjov; I. A. Dukhovskoy; A. I. Khanov; A. P. Krutenkova; V. V. Kulikov; M. A. Martemyanov; M. A. Matsyuk; E. N. Turdakina

2013-10-23T23:59:59.000Z

204

STANDARD OPERATING PROCEDURES Sampler Maintenance by Site Operators  

E-Print Network [OSTI]

IMPROVE STANDARD OPERATING PROCEDURES SOP 201 Sampler Maintenance by Site Operators Date Last.0 PURPOSE AND APPLICABILITY This standard operating procedure (SOP) describes the procedures and schedules. The procedural steps for weekly maintenance and repairs performed by the site operator are included in TI 201A

Fischer, Emily V.

205

Corporate Operating Experience Program  

Broader source: Energy.gov [DOE]

The DOE Corporate Operating Experience Program helps to prevent the recurrence of significant adverse events/trends by sharing performance information, lessons learned and good practices across the DOE complex.

206

EXPERIMENTAL INVESTIGATION OF PERFORMANCE PARAMETERS OF SINGLE CYLINDER FOUR STROKE DI DIESEL ENGINE OPERATING ON NEEM OIL BIODIESEL AND ITS BLENDS  

E-Print Network [OSTI]

Increasing oil prices, and global warming activates the research and development of substitute energy resources to maintain economic development. The methyl esters of vegetable oil, known as biodiesel are becoming popular because of their low ecological effect and potential as a green substitute for compression ignition engine. The main objective of this study is to investigate the performance of neem oil methyl ester on a single cylinder, four stroke, direct injection, and 8 HP capacity diesel engine. The Experimental research has been performed to analyze the performance of different blends 20 % (BD20), 50 % (BD50), and 100 % (BD100) of neem oil biodiesel. Biodiesel, when compared to conventional diesel fuel, results showed that the brake specific fuel consumption and brake specific energy consumption are higher and brake thermal efficiency less during testing of engine. The brake specific energy consumption is increased by 0.60 % to 8.25 % and brake thermal efficiency decreased by 0.57 % to 7.62 % at 12 kg engine brake load as compared to diesel fuel. When the fuel consumption of biodiesel is compared to diesel fuel it observed that the fuel consumption was increased by 2.5 % to 19.5 % than that of diesel fuel for B20, B50 and B100 bends at 12 kg engine brake load. It is observed that the performance of biodiesel blends is less as compared to plain diesel and during testing of diesel engine run normally for all engine loads. It is investigated that the neem oil biodiesel 20 % blend showed very close performance when compared to plain diesel and hence can be used as an alternative fuel for conventional diesel in the future.

Rob Res; Dharmendra Yadav; Nitin Shrivastava; Vipin Shrivastava

207

Cumulative arsenic exposure and lung cancer in smelter workers: a dose-response study  

SciTech Connect (OSTI)

The cause-specific mortality was followed through 1981 in a cohort of 3,916 male Swedish smelter workers employed for at least 3 months from 1928 through 1967. Arsenic levels in the air of all workplaces within the smelter were estimated for three different time periods. Using this exposure matrix and detailed information of the work history, cumulative arsenic exposure could be computed for each worker. Standardized mortality ratios (SMRs) were calculated for several dose categories using age-specific mortality rates from the county where the smelter was situated. A positive dose-response relationship was found between cumulative arsenic exposure and lung cancer mortality with an overall SMR of 372 (304-450, 95% confidence interval). The lung cancer mortality was related to the estimated average intensity of exposure to arsenic but not to the duration. No positive dose-response relationship was found between arsenic and ischemic heart disease or cerebrovascular disease. There was also no evident dose-response relationship between estimated exposure to sulfur dioxide and lung cancer.

Jaerup, L.P.; Pershagen, G.; Wall, S.

1989-01-01T23:59:59.000Z

208

Operations Research + Information Engineering  

E-Print Network [OSTI]

and the equipment they operate to perform most efficiently. The allocation of resources may be represented of the techniques and modeling concepts needed to analyze and design complex systems. As an operations researcher. All business systems are complex and need sophisticated decision-making methods that enable employees

Keinan, Alon

209

Hatchery Evaluation Report/Lyons Ferry Hatchery - Summer Steelhead : an Independent Audit Based on Integrated Hatchery Operations Team (IHOT) Performance Measures.  

SciTech Connect (OSTI)

This report presents the findings of the independent audit of the Lyons Ferry Hatchery (Summer Steelhead). Lyons Ferry Hatchery is located downstream of the confluence of the Palouse and Snake rivers, about 7 miles west of Starbuck, Washington. The hatchery is used for adult collection of tall chinook and summer steelhead, egg incubation of fall chinook, spring chinook, steelhead, and rainbow trout and rearing of fall chinook, spring chinook, summer steelhead, and rainbow trout. The audit was conducted in April 1996 as part of a two-year effort that will include 67 hatcheries and satellite facilities located on the Columbia and Snake River system in Idaho, Oregon, and Washington. The hatchery operating agencies include the U.S Fish and Wildlife Service, Idaho Department of Fish and Game, Oregon Department of Fish and Wildlife, and Washington Department of Fish and Wildlife.

Watson, Montgomery.

1996-05-01T23:59:59.000Z

210

Hatchery Evaluation Report/Lyons Ferry Hatchery - Spring Chinook : an Independent Audit Based on Integrated Hatchery Operations Team (IHOT) Performance Measures.  

SciTech Connect (OSTI)

This report presents the findings of the independent audit of the Lyons Ferry Hatchery (Spring Chinook). Lyons Ferry Hatchery is located downstream of the confluence of the Palouse and Snake rivers, about 7 miles west of Starbuck, Washington. The hatchery is used for adult collection of fall chinook and summer steelhead, egg incubation of fall chinook, spring chinook, steelhead. and rainbow trout and rearing of fall chinook, spring chinook, summer steelhead, and rainbow trout. The audit was conducted in April 1996 as part of a two-year effort that will include 67 hatcheries and satellite facilities located on the Columbia and Snake River system in Idaho, Oregon, and Washington. The hatchery operating agencies include the U.S Fish and Wildlife Service, Idaho Department of Fish and Game, Oregon Department of Fish and Wildlife, and Washington Department of Fish and Wildlife.

Watson, Montgomery.

1996-05-01T23:59:59.000Z

211

Generator parameter uncertainties in the frequency-and-duration of cumulative margin events  

E-Print Network [OSTI]

that if M=O. the indices become the probability and frequency and duration of load loss events. Utilizing a cumulative state model for load and an exact state model for generating capacity, the 1ndices may be computed as follows. P = Z p(X)P (C-X-M) M... X L fM E [p(X)fL(C X M) + EF(X)PL(C X M)] o. = PM~fM where X = possible capacity outage states, p(X) = probability of capacity X on forced outage, EF(X) = equivalent frequency contribution of capacity state X, PL (C-X-M), fL (C-X-M) = probabi...

Tram, Nhat-Hanh

2012-06-07T23:59:59.000Z

212

Exact Stochastic Unraveling of an Optical Coherence Dynamics by Cumulant Expansion  

E-Print Network [OSTI]

A numerically exact Monte Carlo scheme for calculation of open quantum system dynamics is proposed and implemented. The method consists of a Monte-Carlo summation of a perturbation expansion in terms of trajectories in Liouville phase-space with respect to the coupling between the excited states of the molecule. The trajectories are weighted by a complex decoherence factor based on the second-order cumulant expansion of the environmental evolution. The method can be used with an arbitrary environment characterized by a general correlation function and arbitrary coupling strength. It is formally exact for harmonic environments, and it can be used with arbitrary temperature. Time evolution of an optically excited Frenkel exciton dimer representing a molecular exciton interacting with a charge transfer state is calculated by the proposed method. We calculate the evolution of the optical coherence elements of the density matrix and linear absorption spectrum, and compare them with the predictions of standard simulation methods.

Jan Olsina; Tobias Kramer; Christoph Kreisbeck; Tomas Mancal

2014-08-25T23:59:59.000Z

213

Evaluating Cumulative Ecosystem Response to Restoration Projects in the Columbia River Estuary, Annual Report 2005  

SciTech Connect (OSTI)

This report is the second annual report of a six-year project to evaluate the cumulative effects of habitat restoration projects in the Columbia River Estuary, conducted by Pacific Northwest National Laboratory's Marine Sciences Laboratory, NOAA's National Marine Fisheries Service Pt. Adams Biological Field Station, and the Columbia River Estuary Study Taskforce for the US Army Corps of Engineers. In 2005, baseline data were collected on two restoration sites and two associated reference sites in the Columbia River estuary. The sites represent two habitat types of the estuary--brackish marsh and freshwater swamp--that have sustained substantial losses in area and that may play important roles for salmonids. Baseline data collected included vegetation and elevation surveys, above and below-ground biomass, water depth and temperature, nutrient flux, fish species composition, and channel geometry. Following baseline data collection, three kinds of restoration actions for hydrological reconnection were implemented in several locations on the sites: tidegate replacements (2) at Vera Slough, near the city of Astoria in Oregon State, and culvert replacements (2) and dike breaches (3) at Kandoll Farm in the Grays River watershed in Washington State. Limited post-restoration data were collected: photo points, nutrient flux, water depth and temperature, and channel cross-sections. In subsequent work, this and additional post-restoration data will be used in conjunction with data from other sites to estimate net effects of hydrological reconnection restoration projects throughout the estuary. This project is establishing methods for evaluating the effectiveness of individual projects and a framework for assessing estuary-wide cumulative effects including a protocol manual for monitoring restoration and reference sites.

Diefenderfer, Heida L.; Thom, Ronald M.; Borde, Amy B.; Roegner, G. C.; Whiting, Allan H.; Johnson, Gary E.; Dawley, Earl; Skalski, John R.; Vavrinec, John; Ebberts, Blaine D.

2006-12-20T23:59:59.000Z

214

Optimizing performance of energy systems  

SciTech Connect (OSTI)

This book discusses optimizing performance of energy systems. Topics covered include a test station, heat flow integrator, microcomputer control of MIMIC operation, and microcomputer control of simulation operation.

Stricker, S.

1985-01-01T23:59:59.000Z

215

Distributed performance counters  

DOE Patents [OSTI]

A plurality of first performance counter modules is coupled to a plurality of processing cores. The plurality of first performance counter modules is operable to collect performance data associated with the plurality of processing cores respectively. A plurality of second performance counter modules are coupled to a plurality of L2 cache units, and the plurality of second performance counter modules are operable to collect performance data associated with the plurality of L2 cache units respectively. A central performance counter module may be operable to coordinate counter data from the plurality of first performance counter modules and the plurality of second performance modules, the a central performance counter module, the plurality of first performance counter modules, and the plurality of second performance counter modules connected by a daisy chain connection.

Davis, Kristan D; Evans, Kahn C; Gara, Alan; Satterfield, David L

2013-11-26T23:59:59.000Z

216

Cumulative cultural dynamics and the coevolution of cultural innovation and transmission: an ESS model for panmictic and  

E-Print Network [OSTI]

transmission; individual and social learning; innovation; kin selection; relatedness. Abstract When individuals through individual and social learning. We explore how the rates of innovation, decay, and transmissionCumulative cultural dynamics and the coevolution of cultural innovation and transmission: an ESS

Alvarez, Nadir

217

ACADEMIC RENEWAL GUIDELINES Academic Renewal is a university policy administered to recalculate the cumulative ASU grade point average of an  

E-Print Network [OSTI]

ACADEMIC RENEWAL GUIDELINES Academic Renewal is a university policy administered to recalculate undergraduate degree and has not previously received an academic renewal; 2. has a cumulative ASU gpa below 2 requirements for resident credit hours and gpa must be fulfilled after the academic renewal. Graduation

Rhoads, James

218

Most informed people realize that cumulative impacts have had significant adverse effects on water quality and aquatic resources.  

E-Print Network [OSTI]

are highly inter-related. One large variable in the puzzle are the choices people make. Choices Affect us AllMost informed people realize that cumulative impacts have had significant adverse effects on water to look at shorelines as an ecosystem. The ecosystem concept is important because our coastal lands, air

219

Operational Waste Volume Projection  

SciTech Connect (OSTI)

Waste receipts to the double-shell tank system are analyzed and wastes through the year 2015 are projected based on generation trends of the past 12 months. A computer simulation of site operations is performed, which results in projections of tank fill schedules, tank transfers, evaporator operations, tank retrieval, and aging waste tank usage. This projection incorporates current budget planning and the clean-up schedule of the Tri-Party Agreement. Assumptions were current as of June. 2000.

STRODE, J.N.

2000-08-28T23:59:59.000Z

220

Operational waste volume projection  

SciTech Connect (OSTI)

Waste receipts to the double-shell tank system are analyzed and wastes through the year 2015 are projected based on generation trends of the past 12 months. A computer simulation of site operations is performed, which results in projections of tank fill schedules, tank transfers, evaporator operations, tank retrieval, and aging waste tank usage. This projection incorporates current budget planning and the clean-up schedule of the Tri-Party Agreement. Assumptions were current as of June 1996.

Koreski, G.M.

1996-09-20T23:59:59.000Z

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Cumulative Second Harmonic Generation in Lamb Waves for the Detection of Material Nonlinearities  

SciTech Connect (OSTI)

An understanding of the generation of higher harmonics in Lamb waves is of critical importance for applications such as remaining life prediction of plate-like structural components. The objective of this work is to use nonlinear Lamb waves to experimentally investigate inherent material nonlinearities in aluminum plates. These nonlinearities, e.g. lattice anharmonicities, precipitates or vacancies, cause higher harmonics to form in propagating Lamb waves. The amplitudes of the higher harmonics increase with increasing propagation distance due to the accumulation of nonlinearity while the Lamb wave travels along its path. Special focus is laid on the second harmonic, and a relative nonlinearity parameter is defined as a function of the fundamental and second harmonic amplitude. The experimental setup uses an ultrasonic transducer and a wedge for the Lamb wave generation, and laser interferometry for detection. The experimentally measured Lamb wave signals are processed with a short-time Fourier transformation (STFT), which yields the amplitudes at different frequencies as functions of time, allowing the observation of the nonlinear behavior of the material. The increase of the relative nonlinearity parameter with propagation distance as an indicator of cumulative second harmonic generation is shown in the results for the alloy aluminum 1100-H14.

Bermes, Christian [School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0355 (United States); Jacobs, Laurence J. [School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0355 (United States); G.W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405 (United States); Kim, Jin-Yeon; Qu, Jianmin [G.W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405 (United States)

2007-03-21T23:59:59.000Z

222

DOE High Performance Computing Operational Review  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: Crude OilPublicDNALost PasswordTechnicalHPCOR DOE High

223

OPERATIONS (OPS)  

Broader source: Energy.gov (indexed) [DOE]

OPS) OBJECTIVE OPS.1 The formality and discipline of operations is adequate to conduct work safely and programs are in place to maintain this formality and discipline. (CR 13)...

224

Design operators  

E-Print Network [OSTI]

Design operators is a thesis that investigates the nature and characteristics of the design process by examining the interaction of computation with architectural design. The effects of the introduction of these media in ...

Dritsas, Stylianos, 1978-

2004-01-01T23:59:59.000Z

225

Operating Costs  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

This chapter is focused on capital costs for conventional construction and environmental restoration and waste management projects and examines operating cost estimates to verify that all elements of the project have been considered and properly estimated.

1997-03-28T23:59:59.000Z

226

Guide for High-Performance Buildings Available  

SciTech Connect (OSTI)

This article is an overview of the new "Sustainable, High-Performance Operations and Maintenance" guidelines.

Bartlett, Rosemarie

2012-10-01T23:59:59.000Z

227

Effects of global charge conservation on time evolution of cumulants of conserved charges in relativistic heavy ion collisions  

E-Print Network [OSTI]

We investigate the effect of the global charge conservation on the cumulants of conserved charges observed in relativistic heavy ion collisions in a finite rapidity window, $\\Delta\\eta$, with a special emphasis on the time evolution of fluctuations in the hadronic medium. It is argued that the experimental result of the net-electric charge fluctuation observed by ALICE does not receive effects from the global charge conservation, because of the finite diffusion distance of charged particles in the hadronic stage. We emphasize that the magnitude of the effect of the global charge conservation can be estimated experimentally by combining the information on the $\\Delta\\eta$ dependences of various cumulants of conserved charges, similarly to other dynamical properties of the hot medium.

Miki Sakaida; Masayuki Asakawa; Masakiyo Kitazawa

2014-09-24T23:59:59.000Z

228

Determination of radionuclides and pathways contributing to cumulative dose. Hanford Environmental Dose Reconstruction Project: Dose code recovery activities, Calculation 004  

SciTech Connect (OSTI)

A series of scoping calculations has been undertaken to evaluate the absolute and relative contributions of different radionuclides and exposure pathways to doses that may have been received by individuals living in the vicinity of the Hanford Site. This scoping calculation (Calculation 004) examined the contributions of numerous radionuclides to cumulative dose via environmental exposures and accumulation in foods. Addressed in this calculation were the contributions to organ and effective dose of infants and adults from (1) air submersion and groundshine external dose, (2) inhalation, (3) ingestion of soil by humans, (4) ingestion of leafy vegetables, (5) ingestion of other vegetables and fruits, (6) ingestion of meat, (7) ingestion of eggs, and (8) ingestion of cows` milk from Feeding Regime 1, as described in calculation 002. This calculation specifically addresses cumulative radiation doses to infants and adults resulting from releases occurring over the period 1945 through 1972.

Napier, B.A.

1992-12-01T23:59:59.000Z

229

Operating plan FY 1998  

SciTech Connect (OSTI)

This document is the first edition of Argonne`s new Operating Plan. The Operating Plan complements the strategic planning in the Laboratory`s Institutional Plan by focusing on activities that are being pursued in the immediate fiscal year, FY 1998. It reflects planning that has been done to date, and it will serve in the future as a resource and a benchmark for understanding the Laboratory`s performance. The heart of the Institutional Plan is the set of major research initiatives that the Laboratory is proposing to implement in future years. In contrast, this Operating Plan focuses on Argonne`s ongoing R&D programs, along with cost-saving measures and other improvements being implemented in Laboratory support operations.

NONE

1997-10-01T23:59:59.000Z

230

Nuclear material operations manual  

SciTech Connect (OSTI)

This manual provides a concise and comprehensive documentation of the operating procedures currently practiced at Sandia National Laboratories with regard to the management, control, and accountability of nuclear materials. The manual is divided into chapters which are devoted to the separate functions performed in nuclear material operations-management, control, accountability, and safeguards, and the final two chapters comprise a document which is also issued separately to provide a summary of the information and operating procedures relevant to custodians and users of radioactive and nuclear materials. The manual also contains samples of the forms utilized in carrying out nuclear material activities. To enhance the clarity of presentation, operating procedures are presented in the form of playscripts in which the responsible organizations and necessary actions are clearly delineated in a chronological fashion from the initiation of a transaction to its completion.

Tyler, R.P.

1981-02-01T23:59:59.000Z

231

Petrology of a dredged cumulate-textured gabboric complex from the mid-Atlantic ridge, latitude 26?N  

E-Print Network [OSTI]

: (Chairman of Committee) (Head of Department) (Nembe r) (Nembe Nay 1977 ABSTRACT Petrology of a Dredged Cumulate- Textured Gabbroic Complex from the Nid-Atlantic ridge, Latitude 26 N. (Nay l977) Lawrence James Tiezzi, D. S. , Rensselaer Polytechnic... Oceanographic and Atmospheric Administration and the U. S. S. R. Academy of Sciences Institute of Oceanology. This research project was funded by NSF grant OCE 74-18567. TABLE OF CONTENTS Introduction Background Location and Setting Research Methods...

Tiezzi, Lawrence James

1977-01-01T23:59:59.000Z

232

Licensed operating reactors: Status summary report data as of December 31, 1991. Volume 16  

SciTech Connect (OSTI)

The Nuclear Regulatory Commission`s annual summary of licensed nuclear power reactor data is based primarily on the report of operating data submitted by licensees for each unit for the month of December because that report contains data for the month of December, the year to date (in this case calendar year 1991) and cumulative data, usually from the date of commercial operation. The data is not independently verified, but various computer checks are made. The report is divided into two sections. The first contains summary highlights and the second contains data on each individual unit in commercial operation. Section 1 capacity and availability factors are simple arithmetic averages. Section 2 items in the cumulative column are generally as reported by the licensee and notes as to the use of weighted averages and starting dates other than commercial operation are provided.

NONE

1992-03-01T23:59:59.000Z

233

Licensed operating reactors. Status summary report data as of December 31, 1993  

SciTech Connect (OSTI)

The Nuclear Regulatory Commissions annual summary of licensed nuclear power reactor data is based primarily on the report of operating data submitted by licensees for each unit for the month of December, the year to date (in this case calendar year 1993) and cumulative data, usually for the date of commercial operation. The data is not independently verified, but various computer checks are made. The report is divided into two sections. The first contains summary highlights and the second contains data on each individual unit in commercial operation. Section 1 capacity and availability factors are simple arithmetic averages. Section 2 items in the cumulative column are generally as reported by the licensee and notes as to the use of weighted averages and starting dates other than commercial operation are provided.

Hartfield, R.A.

1994-03-01T23:59:59.000Z

234

Licensed operating reactors. Status summary report data as of 12-31-94: Volume 19  

SciTech Connect (OSTI)

The Nuclear Regulatory Commission`s annual summary of licensed nuclear power reactor data is based primarily on the report of operating data submitted by licensees for each unit for the month of December because that report contains data for the month of December, the year to date (in this case calendar year 1994) and cumulative data, usually from the date of commercial operation. The data is not independently verified, but various computer checks are made. The report is divided into two sections. The first contains summary highlights and the second contains data on each individual unit in commercial operation. Section 1 capacity and availability factors are simple arithmetic averages. Section 2 items in the cumulative column are generally as reported by the licensee and notes as to the use of weighted averages and starting dates other than commercial operation are provided.

NONE

1995-04-01T23:59:59.000Z

235

Energy Information Handbook: Applications for Energy-Efficient Building Operations  

E-Print Network [OSTI]

Efficiency Alliance. Performance indicators: Better Bricks.Efficiency Alliance. Performance indicators: Better Bricks.operations/tools/performance-indicators-0. Website with

Granderson, Jessica

2013-01-01T23:59:59.000Z

236

An Evidence-Based Evaluation of the Cumulative Effects of Tidal Freshwater and Estuarine Ecosystem Restoration on Endangered Juvenile Salmon in the Columbia River: Final Report  

SciTech Connect (OSTI)

The listing of 13 salmon and steelhead stocks in the Columbia River basin (hereafter collectively referred to as “salmon”) under the Endangered Species Act of 1973, as amended, has stimulated tidal wetland restoration in the lower 235 kilometers of the Columbia River and estuary for juvenile salmon habitat functions. The purpose of the research reported herein was to evaluate the effect on listed salmon of the restoration effort currently being conducted under the auspices of the federal Columbia Estuary Ecosystem Restoration Program (CEERP). Linking changes in the quality and landscape pattern of tidal wetlands in the lower Columbia River and estuary (LCRE) to salmon recovery is a complex problem because of the characteristics of the ecosystem, the salmon, the restoration actions, and available sampling technologies. Therefore, we designed an evidence-based approach to develop, synthesize, and evaluate information to determine early-stage (~10 years) outcomes of the CEERP. We developed an ecosystem conceptual model and from that, a primary hypothesis that habitat restoration activities in the LCRE have a cumulative beneficial effect on juvenile salmon. There are two necessary conditions of the hypothesis: • habitat-based indicators of ecosystem controlling factors, processes, and structures show positive effects from restoration actions, and • fish-based indicators of ecosystem processes and functions show positive effects from restoration actions and habitats undergoing restoration. Our evidence-based approach to evaluate the primary hypothesis incorporated seven lines of evidence, most of which are drawn from the LCRE. The lines of evidence are spatial and temporal synergies, cumulative net ecosystem improvement, estuary-wide meta-analysis, offsite benefits to juvenile salmon, landscape condition evaluation, and evidence-based scoring of global literature. The general methods we used to develop information for the lines of evidence included field measurements, data analyses, modeling, meta-analysis, and reanalysis of previously collected data sets. We identified a set of 12 ancillary hypotheses regarding habitat and salmon response. Each ancillary hypothesis states that the response metric will trend toward conditions at relatively undisturbed reference sites. We synthesized the evidence for and against the two necessary conditions by using eleven causal criteria: strength, consistency, specificity, temporality, biological gradient, plausibility, coherence, experiment, analogy, complete exposure pathway, and predictive performance. Our final evaluation included cumulative effects assessment because restoration is occurring at multiple sites and the collective effect is important to salmon recovery. We concluded that all five lines of evidence from the LCRE indicated positive habitat-based and fish-based responses to the restoration performed under the CEERP, although tide gate replacements on small sloughs were an exception. Our analyses suggested that hydrologic reconnections restore access for fish to move into a site to find prey produced there. Reconnections also restore the potential for the flux of prey from the site to the main stem river, where our data show that they are consumed by salmon. We infer that LCRE ecosystem restoration supports increased juvenile salmon growth and enhanced fitness (condition), thereby potentially improving survival rates during the early ocean stage.

Diefenderfer, Heida L.; Johnson, Gary E.; Thom, Ronald M.; Borde, Amy B.; Woodley, Christa M.; Weitkamp, Laurie A.; Buenau, Kate E.; Kropp, Roy K.

2013-12-01T23:59:59.000Z

237

Intelligent Potroom Operation  

SciTech Connect (OSTI)

The Intelligent Potroom Operation project focuses on maximizing the performance of an aluminum smelter by innovating components for an intelligent manufacturing system. The Intelligent Potroom Advisor (IPA) monitors process data to identify reduction cells exhibiting behaviors that require immediate attention. It then advises operational personnel on those heuristic-based actions to bring the cell back to an optimal operating state in order to reduce the duration and frequency of substandard reduction cell performance referred to as ''Off-Peak Modes'' (OPMs). Techniques developed to identify cells exhibiting OPMs include the use of a finite element model-based cell state estimator for defining the cell's current operating state via advanced cell noise analyses. In addition, rule induction was also employed to identify statistically significant complex behaviors that occur prior to OPMs. The intelligent manufacturing system design, concepts and formalisms developed in this project w ere used as a basis for an intelligent manufacturing system design. Future research will incorporate an adaptive component to automate continuous process improvement, a technology platform with the potential to improve process performance in many of the other Industries of the Future applications as well.

Jan Berkow; Larry Banta

2003-07-29T23:59:59.000Z

238

BOMA 360 Performance Program  

E-Print Network [OSTI]

Introducing? BOMA 360 Performance Program What we will cover ? What is the 360 Performance Program? ? Why did BOMA launch this program? ? What are the application questions and required documentation? ? What is the review and approval process... aspects of Building Management and Operations What is the BOMA 360 Performance Program? ? Online application with independent review and evaluation of 6 major components ? Building Operations & Management ? Life Safety/Security/Risk Management...

Reihl, K.; Tullos, A.

2012-01-01T23:59:59.000Z

239

Operation Poorman  

SciTech Connect (OSTI)

The objectives of Operation Poorman were to design and build a portable seismic system and to set up and use this system in a cold-weather environment. The equipment design uses current technology to achieve a low-power, lightweight system that is configured into three modules. The system was deployed in Alaska during wintertime, and the results provide a basis for specifying a mission-ready seismic verification system.

Pruvost, N.; Tsitouras, J.

1981-03-18T23:59:59.000Z

240

Operations Videos  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas Conchas recoveryLaboratorySpeeding access1 TechnicalOilOnlineandOperations

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Performance Metrics for Commercial Buildings  

SciTech Connect (OSTI)

Commercial building owners and operators have requested a standard set of key performance metrics to provide a systematic way to evaluate the performance of their buildings. The performance metrics included in this document provide standard metrics for the energy, water, operations and maintenance, indoor environmental quality, purchasing, waste and recycling and transportation impact of their building. The metrics can be used for comparative performance analysis between existing buildings and industry standards to clarify the impact of sustainably designed and operated buildings.

Fowler, Kimberly M.; Wang, Na; Romero, Rachel L.; Deru, Michael P.

2010-09-30T23:59:59.000Z

242

Stereotactic Body Radiotherapy (SBRT) for Operable Stage I Non-Small-Cell Lung Cancer: Can SBRT Be Comparable to Surgery?  

SciTech Connect (OSTI)

Purpose: To review treatment outcomes for stereotactic body radiotherapy (SBRT) in medically operable patients with Stage I non-small-cell lung cancer (NSCLC), using a Japanese multi-institutional database. Patients and Methods: Between 1995 and 2004, a total of 87 patients with Stage I NSCLC (median age, 74 years; T1N0M0, n = 65; T2N0M0, n = 22) who were medically operable but refused surgery were treated using SBRT alone in 14 institutions. Stereotactic three-dimensional treatment was performed using noncoplanar dynamic arcs or multiple static ports. Total dose was 45-72.5 Gy at the isocenter, administered in 3-10 fractions. Median calculated biological effective dose was 116 Gy (range, 100-141 Gy). Data were collected and analyzed retrospectively. Results: During follow-up (median, 55 months), cumulative local control rates for T1 and T2 tumors at 5 years after SBRT were 92% and 73%, respectively. Pulmonary complications above Grade 2 arose in 1 patient (1.1%). Five-year overall survival rates for Stage IA and IB subgroups were 72% and 62%, respectively. One patient who developed local recurrences safely underwent salvage surgery. Conclusion: Stereotactic body radiotherapy is safe and promising as a radical treatment for operable Stage I NSCLC. The survival rate for SBRT is potentially comparable to that for surgery.

Onishi, Hiroshi, E-mail: honishi@yamanashi.ac.jp [School of Medicine, Yamanashi University, Yamanashi (Japan); Shirato, Hiroki [School of Medicine, Hokkaido University, Sapporo (Japan); Nagata, Yasushi [School of Medicine, Hiroshima University, Hiroshima (Japan); Hiraoka, Masahiro [School of Medicine, Kyoto University, Kyoto (Japan); Fujino, Masaharu [School of Medicine, Hokkaido University, Sapporo (Japan); School of Medicine, Yamanashi University, Yamanashi (Japan); Gomi, Kotaro [Cancer Institute Suwa Red-Cross Hospital, Suwa (Japan); Karasawa, Katsuyuki [Tokyo Metropolitan Komagome Hospital, Tokyo (Japan); Hayakawa, Kazushige; Niibe, Yuzuru [Kitasato University, Kanagawa (Japan); Takai, Yoshihiro [School of Medicine, Hirosaki University, Hirosaki (Japan); Kimura, Tomoki [School of Medicine, Kagawa University, Hiroshima (Japan); Takeda, Atsuya [Ofuna Chuo Hospital, Kanagawa (Japan); Ouchi, Atsushi [Keijinkai Hospital, Sapporo (Japan); Hareyama, Masato [Sapporo Medical University, Sapporo (Japan); Kokubo, Masaki [Institute of Biomedical Research and Innovation, Kobe (Japan); Kozuka, Takuyo [School of Cancer Institute Ariake Hospital, Tokyo (Japan); Arimoto, Takuro [Kitami Red Cross Hospital, Kitami (Japan); Hara, Ryusuke [National Institute of Radiological Science, Chiba (Japan); Itami, Jun [National Cancer Center, Tokyo (Japan); Araki, Tsutomu [School of Medicine, Yamanashi University, Yamanashi (Japan)

2011-12-01T23:59:59.000Z

243

Operations Information  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006 The 2002 WholesaleEnergy'sRunning jobsOPERATING PLANOperations

244

Automatic Control of Freeboard and Turbine Operation  

E-Print Network [OSTI]

Automatic Control of Freeboard and Turbine Operation ­ Wave Dragon, Nissum Bredning Project: Sea of Freeboard and Turbine Operation Wave Dragon, Nissum Bredning by Jens Peter Kofoed & Peter Frigaard, Aalborg.........................................................................................................................10 TURBINE PERFORMANCE DATA

245

SPECTR System Operational Test Report  

SciTech Connect (OSTI)

This report overviews installation of the Small Pressure Cycling Test Rig (SPECTR) and documents the system operational testing performed to demonstrate that it meets the requirements for operations. The system operational testing involved operation of the furnace system to the design conditions and demonstration of the test article gas supply system using a simulated test article. The furnace and test article systems were demonstrated to meet the design requirements for the Next Generation Nuclear Plant. Therefore, the system is deemed acceptable and is ready for actual test article testing.

W.H. Landman Jr.

2011-08-01T23:59:59.000Z

246

CRAD, Conduct of Operations Assessment Plan | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Conduct of Operations Assessment Plan CRAD, Conduct of Operations Assessment Plan Performance Objective: The purpose of this assessment is to verify programmatic implementation of...

247

W-026, operational test report isokenetic stack effluent monitoring system  

SciTech Connect (OSTI)

This Operational Test Report was performed to assure the Isokinetic Stack Effluent Monitoring System (ISEMS) operates in accordance with system design and specifications.

Bottenus, R.J.

1997-08-22T23:59:59.000Z

248

WRAP operational test report drum non destructive examination system  

SciTech Connect (OSTI)

This operational test report was performed to verify the WRAP Facility Drum Non-Destructive Examination systems operate in accordance with the system designs and specifications.

HUMPHRYS, K.L.

1999-07-01T23:59:59.000Z

249

A Levels-of-Evidence Approach for Assessing Cumulative Ecosystem Response to Estuary and River Restoration Programs  

SciTech Connect (OSTI)

Even though large-scale ecological restoration programs are beginning to supplement isolated projects implemented on rivers and tidal waterways, the effects of restoration success often continue to be evaluated at project scales or by integration in an additive manner. Today our scientific understanding is sufficient that we can begin to apply lessons learnt from assessing cumulative impacts of anthropogenic stressors on ecosystems to the assessment of ecological restoration. Integration of this knowledge has the potential to increase the efficacy of restoration projects conducted at several locations but co-managed within the confines of a larger integrative program. We introduce here a framework based on a levels-of-evidence approach that facilitates assessment of the cumulative landscape effects of individual restoration actions taken at many different locations. It incorporates data collection at restoration and reference sites, hydrodynamic modeling, geographic information systems, and meta-analyses in a five-stage process: design, data, analysis, synthesis and evaluation, and application. This framework evolved from the need to evaluate the efficacy of restoration projects designed to increase rearing habitat for outmigrating juvenile salmonids, which are being implemented in numerous wetlands on the 235-km tidal portion of the Columbia River, U.S.A.

Diefenderfer, Heida L.; Thom, Ronald M.; Johnson, Gary E.; Skalski, J. R.; Vogt, Kristiina A.; Ebberts, Blaine D.; Roegner, G. Curtis; Dawley, Earl

2011-03-01T23:59:59.000Z

250

In-vivo measurements of Pb-210 to determine cumulative exposure to radon daughters: A pilot study  

SciTech Connect (OSTI)

The objective of this study is to demonstrate the feasibility of estimating cumulative exposure of individuals to low concentrations of radon by measuring the amount of Pb-A-10 in their skeletons. This report presents progress to date establishing the validity of an vivo technique to measure skeletal burdens of Pb-210, accumulated from exposure to radon and radon progeny. With the skeletal content of Pb--210 and a model for Pb metabolism, cumulative exposure to radon and its short-lived daughters (radon/daughters) may be calculated for use in deriving a dose-response relationship between lung cancer and exposure to radon/daughters. Data are presented for 29 subjects exposed to above-average'' radon concentrations in their homes, showing the correlation between measured Pb--210 burdens, and measured pCi/l and WLM exposure estimates. Their results are compared to measurements of a population of 24 subject's presumed exposed to average concentrations. Measurements of a Pennsylvania family exposed for a year in a home with an extremely high radon content are also presented. Update of results of an ongoing study of the biological half-time of Pb--210 in man involving measurements, of a retired radiation worker with a 40 year old skeletal burden of Pb-210.

Laurer, G.R.; Cohen, N. (New York Univ. Medical Center, Tuxedo, NY (United States). Dept. of Environmental Medicine); Stark, A.; Ju, C. (New York State Dept. of Health, Albany, NY (United States). Bureau of Environmental and Occupational Epidemiology)

1991-05-01T23:59:59.000Z

251

Performance andPerformance and Operational Experience ofOperational Experience of  

E-Print Network [OSTI]

(CNGS) Introduction ( ) long base-line appearance experiment: · Produce muon neutrino beam at CERN, shielding, fluids, etc... ­ Intervention on equipment `impossible' · Remote handling by overhead crane · Replace broken equipment, no repair · Human intervention only after long `cooling time' ­ Design

McDonald, Kirk

252

Guide to good practices for operations turnover  

SciTech Connect (OSTI)

This Guide to Good Practices is written to enhance understanding of, and provide direction for, Operations Turnover, Chapter XII of Department of Energy (DOE) Order 5480.19, ``Conduct of Operations Requirements for DOE Facilities``. The practices in this guide should be considered when planning or reviewing operations turnover programs. Contractors are advised to adopt procedures that meet the intent of DOE Order 5480.19. ``Operations Turnover`` is an element of an effective Conduct of Operations program. The complexity and array of activities performed in DOE facilities dictate the necessity for a formal operations turnover program to promote safe and efficient operations.

Not Available

1993-06-01T23:59:59.000Z

253

Guide to good practices for operations turnover  

SciTech Connect (OSTI)

This Guide to Good Practices is written to enhance understanding of, and provide direction for, Operations Turnover, Chapter XII of Department of Energy (DOE) Order 5480.19, Conduct of Operations Requirements for DOE Facilities''. The practices in this guide should be considered when planning or reviewing operations turnover programs. Contractors are advised to adopt procedures that meet the intent of DOE Order 5480.19. Operations Turnover'' is an element of an effective Conduct of Operations program. The complexity and array of activities performed in DOE facilities dictate the necessity for a formal operations turnover program to promote safe and efficient operations.

Not Available

1993-06-01T23:59:59.000Z

254

Guide to good practices for operations turnover  

SciTech Connect (OSTI)

This Guide to Good Practices is written to enhance understanding of, and provide direction for, Operations Turnover, Chapter XII of Department of Energy (DOE) Order 5480.19, Conduct of Operations Requirements for DOE Facilities. The practices in this guide should be considered when planning or reviewing operations turnover programs. Contractors are advised to adopt procedures that meet the intent of DOE Order 5480.19. Operations Turnover is an element of an effective Conduct of Operations program. The complexity and array of activities performed in DOE facilities dictate the necessity for a formal operations turnover program to promote safe and efficient operations.

NONE

1998-12-01T23:59:59.000Z

255

Environmental Management Performance Report 11/1999  

SciTech Connect (OSTI)

The purpose of the Environmental Management Performance Report (EMPR) is to provide the Department of Energy Richland Operations Office's (DOE-RL's) report of Hanford's Environmental Management performance by: US Department of Energy, Richland Operation

EDER, D.M.

2000-02-01T23:59:59.000Z

256

Licensed operating reactors: Status summary report, data as of December 31, 1995. Volume 20  

SciTech Connect (OSTI)

The US Nuclear Regulatory Commission`s monthly summary of licensed nuclear power reactor data is based primarily on the operating data report submitted by licensees for each unit. This report is divided into two sections: the first contains summary highlights and the second contains data on each individual unit in commercial operation. Section 1 availability factors, capacity factors, and forced outage rates are simple arithmetic averages. Section 2 items in the cumulative column are generally as reported by the licensees and notes to the use of weighted averages and starting dates other than commercial operation are provided.

NONE

1996-06-01T23:59:59.000Z

257

LM741OperationalAmplifier November 1994  

E-Print Network [OSTI]

TL H 9341 LM741OperationalAmplifier November 1994 LM741 Operational Amplifier General Description The LM741 series are general purpose operational amplifi- ers which feature improved performance over industry stan- dards like the LM709 They are direct plug-in replacements for the 709C LM201 MC1439 and 748

Ida, Nathan

258

Sootblowing optimization for improved boiler performance  

DOE Patents [OSTI]

A sootblowing control system that uses predictive models to bridge the gap between sootblower operation and boiler performance goals. The system uses predictive modeling and heuristics (rules) associated with different zones in a boiler to determine an optimal sequence of sootblower operations and achieve boiler performance targets. The system performs the sootblower optimization while observing any operational constraints placed on the sootblowers.

James, John Robert; McDermott, John; Piche, Stephen; Pickard, Fred; Parikh, Neel J.

2012-12-25T23:59:59.000Z

259

Sootblowing optimization for improved boiler performance  

DOE Patents [OSTI]

A sootblowing control system that uses predictive models to bridge the gap between sootblower operation and boiler performance goals. The system uses predictive modeling and heuristics (rules) associated with different zones in a boiler to determine an optimal sequence of sootblower operations and achieve boiler performance targets. The system performs the sootblower optimization while observing any operational constraints placed on the sootblowers.

James, John Robert; McDermott, John; Piche, Stephen; Pickard, Fred; Parikh, Neel J

2013-07-30T23:59:59.000Z

260

Cumulative analysis of the association between the gravitational wave detectors NAUTILUS and EXPLORER and the gamma-ray bursts detected by BATSE and BeppoSAX  

E-Print Network [OSTI]

The statistical association between the output of the Gravitational Wave (GW) detectors EXPLORER and NAUTILUS and a list of Gamma Ray Bursts (GRBs) detected by the satellite experiments BATSE and BeppoSAX has been analyzed using cumulative algorithms. GW detector data collected between 1991 and 1999 have been correlated to the GRB flux peak times. The cumulative analysis of a large number of GRBs (387) allows to push the upper bound for the corresponding GW burst amplitude down to $h = 2.5\\cdot10^{-19}$.

P. Astone; D. Babusci; M. Bassan; P. Carelli; E. Coccia; C. Cosmelli; S. D'Antonio; V. Fafone; F. Frontera; G. Giordano; C. Guidorzi; A. Marini; Y. Minenkov; I. Modena; G. Modestino; A. Moleti; E. Montanari; G. V. Pallottino; G. Pizzella; L. Quintieri; A. Rocchi; F. Ronga; L. Sperandio; R. Terenzi; G. Torrioli; M. Visco

2005-02-10T23:59:59.000Z

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Voluntary Protection Program Onsite Review, Livermore Operations- January 2012  

Broader source: Energy.gov [DOE]

Evaluation to determine whether the Livermore Operations is continuing to perform at a level deserving DOE-VPP Star recognition.

262

Voluntary Protection Program Onsite Review, Los Alamos Operations- November 2011  

Broader source: Energy.gov [DOE]

Evaluation to determine whether Los Alamos Operations is continuing to perform at a level deserving DOE-VPP Star recognition.

263

Commissioning for High Performance  

E-Print Network [OSTI]

, including energy efficiency, durability, life-cycle performance, and occupant productivity” • ASHRAE Guideline 32 - Sustainable High-Performance Operations and Maintenance A high-performance building “consistently delivers a highly productive environment... plumbing fixtures • Renewable energy sources such as photovoltaic (PV) systems • Building envelope: Design reviews and field testing • Indoor Air Quality (IAQ): Ventilation that meets or exceeds ASHRAE 62.1 • Natural lighting & light pollution • System...

Meline, K.

2013-01-01T23:59:59.000Z

264

Hermitian Young operators  

SciTech Connect (OSTI)

Starting from conventional Young operators, we construct Hermitian operators which project orthogonally onto irreducible representations of the (special) unitary group.

Keppeler, Stefan, E-mail: stefan.keppeler@uni-tuebingen.de [Mathematisches Institut, Universität Tübingen, Auf der Morgenstelle 10, 72076 Tübingen (Germany)] [Mathematisches Institut, Universität Tübingen, Auf der Morgenstelle 10, 72076 Tübingen (Germany); Sjödahl, Malin, E-mail: malin.sjodahl@thep.lu.se [Department of Astronomy and Theoretical Physics, Lund University, Sölvegatan 14A, 223 62 Lund (Sweden)] [Department of Astronomy and Theoretical Physics, Lund University, Sölvegatan 14A, 223 62 Lund (Sweden)

2014-02-15T23:59:59.000Z

265

On 5/19/2012 1:36 PM, John Fowler wrote: I plan to generate a numerical table for the cumulative distribution, then use  

E-Print Network [OSTI]

of interest, probably the smallest one). If we go to a power of 1+eps, then we get p(x) = C/x^(1+eps), 1eps/(1-Xmax^(-eps)) and the cumulative is P(x) = (x^(-eps) - 1)/(Xmax^(-eps) - 1) If we draw a uniform deviate d eps) where k = d*(Xmax^(-eps) - 1

Masci, Frank

266

This document is the result of a major interdisciplinary effort to synthesize our understanding of the cumulative watershed effects of fuel management. This  

E-Print Network [OSTI]

understanding of the cumulative watershed effects of fuel management. This document is the product of more thanForeword This document is the result of a major interdisciplinary effort to synthesize our topics include overviews of the effects of fuel management on both terrestrial and aquatic watershed

267

Discrepancy between Subcritical and Fast Rupture Roughness: A Cumulant Analysis N. Mallick, P.-P. Cortet, S. Santucci,* S. G. Roux, and L. Vanel  

E-Print Network [OSTI]

Discrepancy between Subcritical and Fast Rupture Roughness: A Cumulant Analysis N. Mallick, P the slow (subcritical) and the fast growth regime. DOI: 10.1103/PhysRevLett.98.255502 PACS numbers: 62, crack growth starts in a subcritical regime where the growth is slow (v 10ÿ5­10ÿ2 m sÿ1) and reaches

Roux, Stephane

268

SUBMITTED TO IEEE TRANSACTION ON AUTOMATIC CONTROL 1 Statistical Control for Performance Shaping  

E-Print Network [OSTI]

the mean at a pre- specified level. Generalizing this idea, a finite linear combination of the cost the cost distribution. The cost function is related to the performance of the system such as energy, fuel using Cost Cumulants Bei Kang, Member, IEEE, Chukwuemeka Aduba, Member, IEEE, and Chang-Hee Won, Member

Won, Chang-Hee

269

DIVING OPERATIONS 30.A GENERAL  

E-Print Network [OSTI]

as in the contract, using the particular diving techniques and equipment to be used under the contract. Divers shall demonstrate that at least one (1) of the four (4) qualification dives was performed in the last 6 months prior to the start of dive operations. The DDC will ensure USACE divers meet the training and qualification

US Army Corps of Engineers

270

Forecasting oilfield economic performance  

SciTech Connect (OSTI)

This paper presents a general method for forecasting oilfield economic performance that integrates cost data with operational, reservoir, and financial information. Practices are developed for determining economic limits for an oil field and its components. The economic limits of marginal wells and the role of underground competition receive special attention. Also examined is the influence of oil prices on operating costs. Examples illustrate application of these concepts. Categorization of costs for historical tracking and projections is recommended.

Bradley, M.E. (Univ. of Chicago, IL (United States)); Wood, A.R.O. (BP Exploration, Anchorage, AK (United States))

1994-11-01T23:59:59.000Z

271

Direct contact heat exchanger performance  

SciTech Connect (OSTI)

Although the final performance result of a DCHE is the cost of the net electricity produced, the best performance cannot be achieved without optimizing the components of the system as well as the whole system. Thus collection and analysis of data on the internal performance of the column assists in optimizing the operation of the particular column as well as in suggesting ways for improving the operation and design of future columns.

Wahl, E. F.

1981-03-12T23:59:59.000Z

272

Operations and compositions in transrecursive operators  

SciTech Connect (OSTI)

The present study is a continuation of a study focusing on introduction and analysis of operations on transrecursive operators, which are similar to the operators considered in the theory of algorithms. Such operations may be standard product of algorithms) or special ({alpha}-disjunction and {alpha}-iteration. In some respects, these operations in the class of transrecursive operators are similar to their traditional analogs. In other respects, however, they are essentially different. For instance, they may have different types and modes. Specific features of operations on transrecursive operators are attributable to explicit omission of some restrictions on their construction compared with the construction of algorithms. The standard approaches to mathematical modeling of the concept of algorithm assume a number of essential restrictions. Specifically, they assume finiteness of (1) the input data arriving during a finite time interval; (2) the list of rules underlying the operations of the algorithm; (3) the transformations executed by a single operation; (4) the description of each rule; (5) the time to execute one operation; (6) the time to execute one operation; (7) the number of cycles that the algorithm executes in order to realize the mapping. In application to Turing machines, these restrictions imply finiteness of the initial word, finiteness of the command table of the read head, and ultimate stopping when the result is obtained after finitely many steps. Various classes of transrecursive operators are constructed by dropping various combinations of the {open_quotes}finiteness{close_quotes} restrictions. Two classes of transrecursive operators - the limit (inductive) Turing machines and transalgorithms - have been obtained by dropping respectively the assumption of finiteness of the number of execution cycles and the assumption of finiteness of the list of rules.

Burgin, M.S.; Borodyanskii, Yu.M.

1995-03-01T23:59:59.000Z

273

Operating Permits (New Jersey)  

Broader source: Energy.gov [DOE]

The owner or operator of a facility subject to this article shall obtain and maintain an operating permit for the facility. The owner or operator of a facility subject to this article shall ensure...

274

Cogeneration Operational Issues  

E-Print Network [OSTI]

operations. Other operational issues also include utility transmission planning, generation planning and fuel mix decisions. All of these operational problems have an impact on the ratepayer in regard to quality of electric service and future rates. Both...

Williams, M.

275

Air Carrier Flight Operations  

E-Print Network [OSTI]

Most air carriers operate under a system of prioritized goals including safety, customer service (on-time departures and arrivals) and operating economics. The flight operations department is responsible for the safe and ...

Midkif, Alan H.

276

Building Operator Certification  

E-Print Network [OSTI]

Building Operator Certification Energy Efficiency through Operator Training CATEE December 18, 2013 – San Antonio, TX Dennis Lilley, CEM, PMP ESL-KT-13-12-49 CATEE 2013: Clean Air Through Energy Efficiency Conference, San Antonio, Texas Dec. 16...-18 Building Operator Certification Energy Efficiency through Operator Training What is Building Operator Certification? Industry-recognized credential in energy efficient building operation practices Created with 100 industry experts Launched in 1996 9...

Lilley, D.

2013-01-01T23:59:59.000Z

277

Measured Performance Signature Method  

E-Print Network [OSTI]

information for adaptive on-line optimum dispatch, equipment performance monitoring, or for conducting system "what if' scenarios. The MPS is a very useful technique which may be applied to Acceptance Testing Monitoring and Operations Optimization... performance signature, may be determined from on-line measurements, and corrected to a specified reference. This procedure also provides information for adaptive on-line optimum dispatch, incremental plant heat rate data for centralized system dispatch...

Ahner, D. J.

278

Operations Research Analyst  

Broader source: Energy.gov [DOE]

The incumbent in this position will serve as an Operations Research Analyst in the Generation Scheduling (PGS). The Operations Research Analyst is responsible for analytical work that involves...

279

Store-operate-coherence-on-value  

DOE Patents [OSTI]

A system, method and computer program product for performing various store-operate instructions in a parallel computing environment that includes a plurality of processors and at least one cache memory device. A queue in the system receives, from a processor, a store-operate instruction that specifies under which condition a cache coherence operation is to be invoked. A hardware unit in the system runs the received store-operate instruction. The hardware unit evaluates whether a result of the running the received store-operate instruction satisfies the condition. The hardware unit invokes a cache coherence operation on a cache memory address associated with the received store-operate instruction if the result satisfies the condition. Otherwise, the hardware unit does not invoke the cache coherence operation on the cache memory device.

Chen, Dong; Heidelberger, Philip; Kumar, Sameer; Ohmacht, Martin; Steinmacher-Burow, Burkhard

2014-11-18T23:59:59.000Z

280

Performance Monitoring  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Optimization Performance Monitoring Performance Monitoring A redirector page has been set up without anywhere to redirect to. Last edited: 2014-08-25 14:37:27...

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Chapter 26 Cumulative Impacts  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed New Substation SitesStanding FriedelIron-Sulfur3-1 November 2012

282

Cumulative Revision Map  

E-Print Network [OSTI]

Unlike static documents, version-controlled documents are edited by one or more authors over a certain period of time. Examples include large scale computer code, papers authored by a team of scientists, and online discussion boards. Such collaborative revision process makes traditional document modeling and visualization techniques inappropriate. In this paper we propose a new visualization technique for version-controlled documents that reveals interesting authoring patterns in papers, computer code and Wikipedia articles. The revealed authoring patterns are useful for the readers, participants in the authoring process, and supervisors.

Kim, Seungyeon; Lebanon, Guy

2012-01-01T23:59:59.000Z

283

Performance Evaluation for Modular, Scalable Liquid-Rack Cooling Systems in Data Centers  

E-Print Network [OSTI]

performance for its partial load operation in this study.performance for its partial load operation in this study.s cooling performance for its partial load operation, which

Xu, TengFang

2009-01-01T23:59:59.000Z

284

Performance assurance program plan  

SciTech Connect (OSTI)

B and W Protec, Inc. (BWP) is responsible for implementing the Performance Assurance Program for the Project Hanford Management Contract (PHMC) in accordance with DOE Order 470.1, Safeguards and Security Program (DOE 1995a). The Performance Assurance Program applies to safeguards and security (SAS) systems and their essential components (equipment, hardware, administrative procedures, Protective Force personnel, and other personnel) in direct support of Category I and H special nuclear material (SNM) protection. Performance assurance includes several Hanford Site activities that conduct performance, acceptance, operability, effectiveness, and validation tests. These activities encompass areas of training, exercises, quality assurance, conduct of operations, total quality management, self assessment, classified matter protection and control, emergency preparedness, and corrective actions tracking and trending. The objective of the Performance Assurance Program is to capture the critical data of the tests, training, etc., in a cost-effective, manageable program that reflects the overall effectiveness of the program while minimizing operational impacts. To aid in achieving this objective, BWP will coordinate the Performance Assurance Program for Fluor Daniel Hanford, Inc. (FDH) and serve as the central point for data collection.

Rogers, B.H.

1997-11-06T23:59:59.000Z

285

Transportation System Concept of Operations  

SciTech Connect (OSTI)

The Nuclear Waste Policy Act of 1982 (NWPA), as amended, authorized the DOE to develop and manage a Federal system for the disposal of SNF and HLW. OCRWM was created to manage acceptance and disposal of SNF and HLW in a manner that protects public health, safety, and the environment; enhances national and energy security; and merits public confidence. This responsibility includes managing the transportation of SNF and HLW from origin sites to the Repository for disposal. The Transportation System Concept of Operations is the core high-level OCRWM document written to describe the Transportation System integrated design and present the vision, mission, and goals for Transportation System operations. By defining the functions, processes, and critical interfaces of this system early in the system development phase, programmatic risks are minimized, system costs are contained, and system operations are better managed, safer, and more secure. This document also facilitates discussions and understanding among parties responsible for the design, development, and operation of the Transportation System. Such understanding is important for the timely development of system requirements and identification of system interfaces. Information provided in the Transportation System Concept of Operations includes: the functions and key components of the Transportation System; system component interactions; flows of information within the system; the general operating sequences; and the internal and external factors affecting transportation operations. The Transportation System Concept of Operations reflects OCRWM's overall waste management system policies and mission objectives, and as such provides a description of the preferred state of system operation. The description of general Transportation System operating functions in the Transportation System Concept of Operations is the first step in the OCRWM systems engineering process, establishing the starting point for the lower level descriptions. of subsystems and components, and the Transportation System Requirements Document. Other program and system documents, plans, instructions, and detailed designs will be consistent with and informed by the Transportation System Concept of Operations. The Transportation System Concept of Operations is a living document, enduring throughout the OCRWM systems engineering lifecycle. It will undergo formal approval and controlled revisions as appropriate while the Transportation System matures. Revisions will take into account new policy decisions, new information available through system modeling, engineering investigations, technical analyses and tests, and the introduction of new technologies that can demonstrably improve system performance.

N. Slater-Thompson

2006-08-16T23:59:59.000Z

286

TFTR tritium operations lessons learned  

SciTech Connect (OSTI)

The Tokamak Fusion Test Reactor which is the progenitor for full D-T operating tokamaks has successfully processed > 81 grams of tritium in a safe and efficient fashion. Many of the fundamental operational techniques associated with the safe movement of tritium through the TFTR facility were developed over the course of many years of DOE tritium facilities (LANL, LLNL, SRS, Mound). In the mid 1980`s The Tritium Systems Test Assembly (TSTA) at LANL began reporting operational techniques for the safe handling of tritium, and became a major conduit for the transfer of safe tritium handling technology from DOE weapons laboratories to non-weapon facilities. TFTR has built on many of the TSTA operational techniques and has had the opportunity of performing and enhancing these techniques at America`s first operational D-T fusion reactor. This paper will discuss negative pressure employing `elephant trunks` in the control and mitigation of tritium contamination at the TFTR facility, and the interaction between contaminated line operations and {Delta} pressure control. In addition the strategy employed in managing the movement of tritium through TFTR while maintaining an active tritium inventory of < 50,000 Ci will be discussed. 5 refs.

Gentile, C.A.; Raftopoulos, S.; LaMarche, P. [Princeton Plasma Physics Lab., NJ (United States)] [and others

1996-12-31T23:59:59.000Z

287

Development of a Prototype Optical Hydrogen Gas Sensor Using a Getter-Doped Polymer Transducer for Monitoring Cumulative Exposure: Preliminary Results  

SciTech Connect (OSTI)

A novel prototype optical sensor for monitoring cumulative hydrogen gas exposure was fabricated and evaluated. Chemical-to-optical transduction was accomplished by detecting the intensity of 670 nm laser light transmitted through a hydrogen getter-doped polymer film mounted at the end of an optical fiber; the transmittance of the composite film increased with uptake of hydrogen by the embedded getter. The composite film consisted of the hydrogen getter 1,4-bis(phenylethynyl)benzene, also known as DEB, with carbon-supported palladium catalyst embedded in silicone elastomer. Because the change in transmittance was irreversible and occurred continuously as the getter captured hydrogen, the sensor behaved like a dosimeter, providing a unique indication of the cumulative gas exposure.

Small IV, W; Maitland, D J; Wilson, T S; Bearinger, J P; Letts, S A; Trebes, J E

2008-06-05T23:59:59.000Z

288

DOE-BATTELLE PRIME CONTRACT MANAGEMENT & OPERATIONS  

E-Print Network [OSTI]

DOE-BATTELLE PRIME CONTRACT FOR THE MANAGEMENT & OPERATIONS OF PACIFIC NORTHWEST NATIONAL Introduction C ­ 2 RESERVED C ­ 3 Performance Expectations, Objectives, and Measures C ­ 3.1 Core Expectations

289

NUCLEAR PLANT OPERATIONS AND  

E-Print Network [OSTI]

NUCLEAR PLANT OPERATIONS AND CONTROL KEYWORDS: neutron flux, cur- rent noise, vibration diagnostics: Swedish Nuclear Powe

Pázsit, Imre

290

Operator pencil passing through a given operator  

SciTech Connect (OSTI)

Let ? be a linear differential operator acting on the space of densities of a given weight ?{sub 0} on a manifold M. One can consider a pencil of operators ?-circumflex(?)=(?{sub ?}) passing through the operator ? such that any ?{sub ?} is a linear differential operator acting on densities of weight ?. This pencil can be identified with a linear differential operator ?-circumflex acting on the algebra of densities of all weights. The existence of an invariant scalar product in the algebra of densities implies a natural decomposition of operators, i.e., pencils of self-adjoint and anti-self-adjoint operators. We study lifting maps that are on one hand equivariant with respect to divergenceless vector fields, and, on the other hand, with values in self-adjoint or anti-self-adjoint operators. In particular, we analyze the relation between these two concepts, and apply it to the study of diff?(M)-equivariant liftings. Finally, we briefly consider the case of liftings equivariant with respect to the algebra of projective transformations and describe all regular self-adjoint and anti-self-adjoint liftings. Our constructions can be considered as a generalisation of equivariant quantisation.

Biggs, A., E-mail: khudian@manchester.ac.uk, E-mail: adam.biggs@student.manchester.ac.uk; Khudaverdian, H. M., E-mail: khudian@manchester.ac.uk, E-mail: adam.biggs@student.manchester.ac.uk [School of Mathematics, University of Manchester, Oxford Road, Manchester M13 9PL (United Kingdom)

2013-12-15T23:59:59.000Z

291

Cumulative Effects of Micro-Hydro Development on the Fisheries of the Swan River Drainage, Montana, Volume II, Technical Information, 1983-1984 Final Report.  

SciTech Connect (OSTI)

This report summarizes a study to determine the potential cumulative effects of proposed small hydro development on the fisheries of the Swan River drainage. This report contains technical information and is a support document for the main report (Leathe and Enk, 1985). Consequently, discussion of results was minimized. The sections on fish population monitoring, streambed monitoring, habitat survey comparisons, and water temperature are the only portions that were not discussed in the main report. 5 refs., 55 figs., 44 tabs.

Leathe, Stephen A.

1985-07-01T23:59:59.000Z

292

Performance Management Plan  

SciTech Connect (OSTI)

This Performance Management Plan describes the approach for accelerating cleanup activities of U.S. Department of Energy (DOE), National Nuclear Security Administration Nevada Operations Office (NNSA/NV) Environmental Management (EM) Program. This approach accelerates the reduction of risk at NNSA/NV sites while performing the work responsibly, effectively, and more efficiently. In May 2002, NNSA/NV EM and the Nevada Division of Environmental Protection signed a Letter of Intent formalizing an agreement to pursue accelerated risk reduction and cleanup for activities within the State of Nevada. This Performance Management Plan provides the strategic direction for implementing the Letter of Intent.

IT Corporation, Las Vegas, NV

2002-08-21T23:59:59.000Z

293

Efficiency Vermont's Enhanced Building Operations Programs  

E-Print Network [OSTI]

assistance, economic analysis, and financial incentives to help Vermont households and businesses reduce their energy costs 4 Efficiency Vermont?s Commercial & Industrial Programs New Construction Program ? Prescriptive - Rebates ? Core Performance... ? Custom Market Opportunity Program ? Prescriptive - Rebates ? Custom Retrofit Program ? Custom* * includes improving building operations programs More Information at www.efficiencyvermont.com 5 Efficiency Vermont?s Operational Improvement...

Laflamme, S.

2011-01-01T23:59:59.000Z

294

Sustaining Performance Improvements in Energy Intensive Industries  

E-Print Network [OSTI]

Experience has shown that significant opportunity for performance improvements exists in energy intensive operations. Often, efforts to improve efficiency focus on vendor-led initiatives to improve operations of particular equipment. This approach...

Moore, D. A.

2005-01-01T23:59:59.000Z

295

CANDU human performance analysis  

SciTech Connect (OSTI)

An evaluation of human performance is presented in this paper in the context of the operational safety management system. To focus on problems, an experience review program has been developed to establish trends, demonstrate the degree of compliance with standards, and determine the causes of poor performance. The primary method by which the experience review takes place is significant event reporting (SER). A significant event is an incident that causes an undesirable effect on safety, product quality, environmental protection, or product cost. In spite of advanced technology and the degree of automation of the Canada deuterium uranium (CANDU) design, mistakes and malfunctions to occur. Considerable effort has been made to prevent or reduce the incidence of error. The Institute of Nuclear Power Operations developed a system to analyze human error, called the Human Performance Evaluation System (HPES). To encourage an open exchange of information, the system is anonymous and nonpunitive. All data gathered during HPES evaluations are kept confidential.

Walker, I.

1987-01-01T23:59:59.000Z

296

Developing Human Performance Measures  

SciTech Connect (OSTI)

Through the reactor oversight process (ROP), the U.S. Nuclear Regulatory Commission (NRC) monitors the performance of utilities licensed to operate nuclear power plants. The process is designed to assure public health and safety by providing reasonable assurance that licensees are meeting the cornerstones of safety and designated crosscutting elements. The reactor inspection program, together with performance indicators (PIs), and enforcement activities form the basis for the NRC’s risk-informed, performance based regulatory framework. While human performance is a key component in the safe operation of nuclear power plants and is a designated cross-cutting element of the ROP, there is currently no direct inspection or performance indicator for assessing human performance. Rather, when human performance is identified as a substantive cross cutting element in any 1 of 3 categories (resources, organizational or personnel), it is then evaluated for common themes to determine if follow-up actions are warranted. However, variability in human performance occurs from day to day, across activities that vary in complexity, and workgroups, contributing to the uncertainty in the outcomes of performance. While some variability in human performance may be random, much of the variability may be attributed to factors that are not currently assessed. There is a need to identify and assess aspects of human performance that relate to plant safety and to develop measures that can be used to successfully assure licensee performance and indicate when additional investigation may be required. This paper presents research that establishes a technical basis for developing human performance measures. In particular, we discuss: 1) how historical data already gives some indication of connection between human performance and overall plant performance, 2) how industry led efforts to measure and model human performance and organizational factors could serve as a data source and basis for a framework, 3) how our use of modeling and simulation techniques could be used to develop and validate measures of human performance, and 4) what the possible outcomes are from this research as the modeling and simulation efforts generate results.

Jeffrey Joe; Bruce Hallbert; Larry Blackwood; Donald Dudehoeffer; Kent Hansen

2006-05-01T23:59:59.000Z

297

Multilinear operators for higher-order decompositions.  

SciTech Connect (OSTI)

We propose two new multilinear operators for expressing the matrix compositions that are needed in the Tucker and PARAFAC (CANDECOMP) decompositions. The first operator, which we call the Tucker operator, is shorthand for performing an n-mode matrix multiplication for every mode of a given tensor and can be employed to concisely express the Tucker decomposition. The second operator, which we call the Kruskal operator, is shorthand for the sum of the outer-products of the columns of N matrices and allows a divorce from a matricized representation and a very concise expression of the PARAFAC decomposition. We explore the properties of the Tucker and Kruskal operators independently of the related decompositions. Additionally, we provide a review of the matrix and tensor operations that are frequently used in the context of tensor decompositions.

Kolda, Tamara Gibson

2006-04-01T23:59:59.000Z

298

Performative architecture  

E-Print Network [OSTI]

The following thesis explores two central hypotheses. On the one hand it introduces the idea of performative architecture (performance in design), and has done so with the desire to contribute directly to the expansion of ...

Araya, Sergio (Sergio Alejandro)

2011-01-01T23:59:59.000Z

299

Systematic Comparison of Operating Reserve Methodologies: Preprint  

SciTech Connect (OSTI)

Operating reserve requirements are a key component of modern power systems, and they contribute to maintaining reliable operations with minimum economic impact. No universal method exists for determining reserve requirements, thus there is a need for a thorough study and performance comparison of the different existing methodologies. Increasing penetrations of variable generation (VG) on electric power systems are posed to increase system uncertainty and variability, thus the need for additional reserve also increases. This paper presents background information on operating reserve and its relationship to VG. A consistent comparison of three methodologies to calculate regulating and flexibility reserve in systems with VG is performed.

Ibanez, E.; Krad, I.; Ela, E.

2014-04-01T23:59:59.000Z

300

Performance Based Trending of Waste Disposition  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

standard of performance, and recommends a simple system used to provide a monthly "feedback" mechanism for data quality, which can affect multiple facets of operations. What can...

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

CONDUCT OF OPERATIONS (CO)  

Broader source: Energy.gov (indexed) [DOE]

CONDUCT OF OPERATIONS (CO) OBJECTIVE TA-55 SST Facility NNSA ORR Implementation Plan 1 1 CO.1 The formality and discipline of operations is adequate to conduct work safely and...

302

Reservoir Operation in Texas  

E-Print Network [OSTI]

management of the surface water resources of the various river basins of the state. The operation of these essential water control facilities is examined in this report. Reservoir operation is viewed here from the perspective of deciding how much water...

Wurbs, Ralph A.

303

Aerosol Sampler Operations Manual  

E-Print Network [OSTI]

-1123 Laboratory FAX (916) 752-4107 Standard Operating Procedures Technical Information Document TI 201A #12;TI 201.................................................................................................................................................. 3 1.0 Weekly Maintenance ProceduresIMPROVE Aerosol Sampler Operations Manual February 10, 1997 Air Quality Group Crocker Nuclear

Fischer, Emily V.

304

WRAP 1, operational test report 80X non-destructive examination system  

SciTech Connect (OSTI)

This Operational Test Report was performed to verify the WRAP 1 Facility 80X Non-Destructive Examination systems operate in accordance with the system designs and specifications.

Bottenus, R.J.

1997-04-14T23:59:59.000Z

305

SWPF Crane Lift Operation  

SciTech Connect (OSTI)

A multiple vview shot of the SWPF crane lift operation at the Savannah River Site. Funded by the Recovery Act.

None

2010-01-01T23:59:59.000Z

306

Quantum Operations and Measurement  

E-Print Network [OSTI]

the Stinespring dilation form of E . 6 #12; II: operator­sum representation E(#) = Tr env # U(## # env )U

Seevinck, Michiel

307

Operations and maintenance philosophy  

SciTech Connect (OSTI)

This Operations and Maintenance (O&M) Philosophy document is intended to establish a future O&M vision, with an increased focus on minimizing worker exposure, ensuring uninterrupted retrieval operations, and minimizing operation life-cycle cost. It is intended that this document would incorporate O&M lessons learned into on-going and future project upgrades.

DUNCAN, G.P.

1999-10-28T23:59:59.000Z

308

MANUFACTURING & SERVICE OPERATIONS MANAGEMENT  

E-Print Network [OSTI]

MANUFACTURING & SERVICE OPERATIONS MANAGEMENT Vol. 14, No. 4, Fall 2012, pp. 495­511 ISSN 1523 research directions, expanding upon the key points raised by Green [Green LV (2012) The vital role of operations analysis in improving healthcare delivery. Manufacturing Service Oper. Management 14

Boucherie, Richard J.

309

Fact #843: October 20, 2014 Cumulative Plug-in Electric Vehicle Sales are Two and a Half Times Higher than Hybrid Electric Vehicle Sales in the First 45 Months since Market Introduction – Dataset  

Broader source: Energy.gov [DOE]

Excel file with dataset for Fact #843: Cumulative Plug-in Electric Vehicle Sales are Two and a Half Times Higher than Hybrid Electric Vehicle Sales in the First 45 Months since Market Introduction

310

Federal Leadership in High Performance and Sustainable Buildings...  

Broader source: Energy.gov (indexed) [DOE]

leadership in the design, construction, and operation of High-Performance and Sustainable Buildings. Federal Leadership in High Performance and Sustainable Buildings...

311

LANL continuity of operations plan  

SciTech Connect (OSTI)

The Los Alamos National Laboratory (LANL) is a premier national security research institution, delivering scientific and engineering solutions for the nation's most crucial and complex problems. Our primary responsibility is to ensure the safety, security, and reliability of the nation's nuclear stockpile. LANL emphasizes worker safety, effective operational safeguards and security, and environmental stewardship, outstanding science remains the foundation of work at the Laboratory. In addition to supporting the Laboratory's core national security mission, our work advances bioscience, chemistry, computer science, earth and environmental sciences, materials science, and physics disciplines. To accomplish LANL's mission, we must ensure that the Laboratory EFs continue to be performed during a continuity event, including localized acts of nature, accidents, technological or attack-related emergencies, and pandemic or epidemic events. The LANL Continuity of Operations (COOP) Plan documents the overall LANL COOP Program and provides the operational framework to implement continuity policies, requirements, and responsibilities at LANL, as required by DOE 0 150.1, Continuity Programs, May 2008. LANL must maintain its ability to perform the nation's PMEFs, which are: (1) maintain the safety and security of nuclear materials in the DOE Complex at fixed sites and in transit; (2) respond to a nuclear incident, both domestically and internationally, caused by terrorist activity, natural disaster, or accident, including mobilizing the resources to support these efforts; and (3) support the nation's energy infrastructure. This plan supports Continuity of Operations for Los Alamos National Laboratory (LANL). This plan issues LANL policy as directed by the DOE 0 150.1, Continuity Programs, and provides direction for the orderly continuation of LANL EFs for 30 days of closure or 60 days for a pandemic/epidemic event. Initiation of COOP operations may be required to support an allhazards event, including a national security emergency, major fire, catastrophic natural disaster, man-made disaster, terrorism event, or technological disaster by rendering LANL buildings, infrastructure, or Technical Areas unsafe, temporarily unusable, or inaccessible.

Senutovitch, Diane M [Los Alamos National Laboratory

2010-12-22T23:59:59.000Z

312

A Dynamic Waste Isolation Pilot Plant Performance Assessment Tool - 12490  

SciTech Connect (OSTI)

The Waste Isolation Pilot Plant (WIPP) Performance Assessment (PA) methodology comprises a toolbox used to demonstrate regulatory compliance of the repository after facility closure. The PA framework rests upon an extensive suite of computational codes. In some cases, significant alteration of code inputs is a tedious and difficult task. Due to the nature of the application for which they are used, PA codes used in support of WIPP regulatory compliance demonstration must satisfy stringent quality assurance requirements. Consequently, many of the coding practices used during original code development are still implemented today. A more efficient workflow configuration has the potential to alleviate difficulties associated with extensive code input modifications. Here, this potential is assessed via an implementation of a more flexible scientific workflow system for a subset of the codes used in WIPP PA. The scientific workflow approach taken here for a dynamic PA system enables users from disparate backgrounds to dramatically shorten the time between hypothesis and analysis by decreasing the amount of a priori knowledge, from a range of disciplines, needed to execute the code. Having smaller iteration times allows for more ideas to be tested and explored, which leads to safer and more optimized systems. Note that these high-level, dynamic tools are intended only for initial scoping studies on the personal computer of a researcher. Full, regulatory compliance calculations may occur only within a qualified computing environment. However, the WIPP PA tools here may guide future research and indicate regions of the analysis space that are worth further study. This next generation of PA software provides the ability to perform scoping investigations of repository performance quickly and easily, and has an accessible and useful interface to a variety of users, such as fuel cycle systems designers, domain experts such as repository modelers, and policy makers. The purview of this project allows for many opportunities for future work. Foremost among these is the desire to implement the full BRAGFLO suite within the workflow. This will entail porting or wrapping Genmesh, Matset, LHS, and ICSet within Python. Moreover, unifying the two GUIs into a single driver application would be a natural next step. Once the BRAGFLO suite is completed, other portions of WIPP PA could be implemented with corresponding and inter-operable work-flows. Likely first candidates for this are those codes that are similarly computationally intensive, such as the one used to generate complementary cumulative distribution functions used to demonstrate regulatory compliance (code CCDFGF). (authors)

Scopatz, Anthony M.; March, Jonathan; Weckesser, Warren; Jones, Eric [Enthought Inc, Austin, Texas, 78701 (United States); Lee, Moo; Camphouse, Chris [Sandia National Laboratories, Carlsbad, NM, 88220 (United States)

2012-07-01T23:59:59.000Z

313

Performance Characterization  

Broader source: Energy.gov [DOE]

Performance characterization efforts within the SunShot Systems Integration activities focus on collaborations with U.S. solar companies to:

314

Modeling and Simulation of HVAC Faulty Operations and  

E-Print Network [OSTI]

effort and coverage: 1) proactive, performance-monitored maintenance; 2) preventive, scheduled to Maintenance Issues Liping Wang, Tianzhen Hong Environmental Energy Technologies Division January 2013 and Simulation of HVAC Faulty Operations and Performance Degradation due to Maintenance Issues Liping Wang

315

Device Performance  

SciTech Connect (OSTI)

In the Device Performance group, within the National Center for Photovoltaic's Measurements and Characterization Division, we measure the performance of PV cells and modules with respect to standard reporting conditions--defined as a reference temperature (25 C), total irradiance (1000 Wm-2), and spectral irradiance distribution (IEC standard 60904-3). Typically, these are ''global'' reference conditions, but we can measure with respect to any reference set. To determine device performance, we conduct two general categories of measurements: spectral responsivity (SR) and current versus voltage (I-V). We usually perform these measurements using standard procedures, but we develop new procedures when required by new technologies. We also serve as an independent facility for verifying device performance for the entire PV community. We help the PV community solve its special measurement problems, giving advice on solar simulation, instrumentation for I-V measurements, reference cells, measurement procedures, and anomalous results. And we collaborate with researchers to analyze devices and materials.

Not Available

2006-06-01T23:59:59.000Z

316

Environmental assessment for construction and operation of a Human Genome Laboratory at Lawrence Berkeley Laboratory, Berkeley, California  

SciTech Connect (OSTI)

Lawrence Berkeley Laboratory (LBL) proposes to construct and operate a new laboratory for consolidation of current and future activities of the Human Genome Center (HGC). This document addresses the potential direct, indirect, and cumulative environmental and human-health effects from the proposed facility construction and operation. This document was prepared in accordance the National Environmental Policy Act of 1969 (United States Codes 42 USC 4321-4347) (NEPA) and the US Department of Energy`s (DOE) Final Rule for NEPA Implementing Procedures [Code of Federal Regulations 10CFR 1021].

NONE

1994-12-01T23:59:59.000Z

317

Guide to good practices for timely orders to operators  

SciTech Connect (OSTI)

This Guide to Good Practices is written to enhance understanding of, and provide direction for, Timely Orders to Operators, Chapter XV of Department of Energy (DOE) Order 5480.19, Conduct of Operations Requirements for DOE Facilities. The practices in this guide should be considered when planning or reviewing Timely Orders to Operators programs. Contractors are advised to adopt procedures that meet the intent of DOE Order 5480.19. Timely Orders to Operators is an element of an effective Conduct of Operations program. The complexity and array of activities performed in DOE facilities dictate the necessity for timely orders to operators to promote safe and efficient operations.

NONE

1998-12-01T23:59:59.000Z

318

Cask fleet operations study  

SciTech Connect (OSTI)

The Nuclear Waste Policy Act of 1982 assigned to the Department of Energy's (DOE) Office of Civilian Waste Management the responsibility for disposing of high-level waste and spent fuel. A significant part of that responsibility involves transporting nuclear waste materials within the federal waste management system; that is, from the waste generator to the repository. The lead responsibility for transportation operations has been assigned to Oak Ridge Operations, with Oak Ridge National Laboratory (ORNL) providing technical support through the Transportation Operations Support Task Group. One of the ORNL support activities involves assessing what facilities, equipment and services are required to assure that an acceptable, cost-effective and safe transportation operations system can be designed, operated and maintained. This study reviews, surveys and assesses the experience of Nuclear Assurance Corporation (NAC) in operating a fleet of spent-fuel shipping casks to aid in developing the spent-fuel transportation system.

Not Available

1988-01-01T23:59:59.000Z

319

Pipeline Operations Program (Louisiana)  

Broader source: Energy.gov [DOE]

The Pipeline Operations Program regulates the construction, acquisition, abandonment and interconnection of natural gas pipelines, as well as, the transportation and use of natural gas supplies.

320

Hyponormality of Toeplitz Operators  

E-Print Network [OSTI]

Amer. Math. Soc. 82(1976), 494-496. [12] S. C. Power. Hankel Operators on Hilbert Space, Pitman, Boston, 1982. [13] D. Sarason. Generalized interpolation in H.

1910-40-52T23:59:59.000Z

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Semicausal operations are semilocalizable  

E-Print Network [OSTI]

We prove a conjecture by DiVincenzo, which in the terminology of Preskill et al. [quant-ph/0102043] states that ``semicausal operations are semilocalizable''. That is, we show that any operation on the combined system of Alice and Bob, which does not allow Bob to send messages to Alice, can be represented as an operation by Alice, transmitting a quantum particle to Bob, and a local operation by Bob. The proof is based on the uniqueness of the Stinespring representation for a completely positive map. We sketch some of the problems in transferring these concepts to the context of relativistic quantum field theory.

Eggeling, T; Werner, R F

2002-01-01T23:59:59.000Z

322

In-vivo measurements of Pb-210 to determine cumulative exposure to radon daughters: A pilot study. Final report, 1 March, 1990--May 31, 1991  

SciTech Connect (OSTI)

The objective of this study is to demonstrate the feasibility of estimating cumulative exposure of individuals to low concentrations of radon by measuring the amount of Pb-A-10 in their skeletons. This report presents progress to date establishing the validity of an vivo technique to measure skeletal burdens of Pb-210, accumulated from exposure to radon and radon progeny. With the skeletal content of Pb--210 and a model for Pb metabolism, cumulative exposure to radon and its short-lived daughters (radon/daughters) may be calculated for use in deriving a dose-response relationship between lung cancer and exposure to radon/daughters. Data are presented for 29 subjects exposed to ``above-average`` radon concentrations in their homes, showing the correlation between measured Pb--210 burdens, and measured pCi/l and WLM exposure estimates. Their results are compared to measurements of a population of 24 subject`s presumed exposed to average concentrations. Measurements of a Pennsylvania family exposed for a year in a home with an extremely high radon content are also presented. Update of results of an ongoing study of the biological half-time of Pb--210 in man involving measurements, of a retired radiation worker with a 40 year old skeletal burden of Pb-210.

Laurer, G.R.; Cohen, N. [New York Univ. Medical Center, Tuxedo, NY (United States). Dept. of Environmental Medicine; Stark, A.; Ju, C. [New York State Dept. of Health, Albany, NY (United States). Bureau of Environmental and Occupational Epidemiology

1991-05-01T23:59:59.000Z

323

Cumulative Effects of Micro-Hydro Development on the Fisheries of the Swan River Drainage, Montana, First Annual Progress Report (Covering Field Season July-November 1982).  

SciTech Connect (OSTI)

This fisheries study is to determine the potential cumulative biological and economic effects of 20 small or micro-hydro-electric facilities (less than 5 megawatts) proposed to be constructed on tributaries to the Swan River, a 1738 square kilometer (671 square mile) drainage located in northwestern Montana. The study addresses portions of measure 1204 (b) (2) of the Norwthwest Power Planning Council's Columbia River Basin Fish and Wildlife Program. Aerial pre-surveys conducted during 1982 identified 102 stream reaches that may support fish populations in the Swan drainage between Swan and Lindbergh lakes. These reaches were located in 49 tributary streams and constituted 416 kilometers (258 miles) of potential fish habitat. Construction of all proposed small hydro projects would divert water from 54 kilometers (34 miles) or about 13 percent of the tributary system. Only two of the 20 proposed hydro sites did not support trout populations and most were populated by migratory bull trout and westslope cutthroat trout. Potential cumulative habitat losses that could result from dewatering of all proposed project areas were predicted using a stream reach classification scheme involving stream gradient, drainage ara, and fish population data. Preliminary results of this worst case analysis indicate that 23, 19 and 6 percent of the high quality rearing habitat for cutthroat, bull, and brook trout respectively would be lost.

Leathe, Stephen A.; Graham, Patrick J.

1984-03-01T23:59:59.000Z

324

Performance Contracting  

E-Print Network [OSTI]

Performance Contracting ? A Resource for Energy Efficiency Projects Schneider Electric ? Buildings Business ? CATEE 2011 2 Top Challenges for Cities & Schools Tax Revenue Reductions Property values down, sales tax revenue down, etc Energy... issues and needs postponed Schneider Electric ? Buildings Business ? CATEE 2011 3 Performance Contracting can help? Tax Revenue Reductions Redirect funds already being spent on utilities Energy Price & Availability Issues Equip you with the tools...

Goodin, E.

2011-01-01T23:59:59.000Z

325

The effects of fatigue on the operational performance  

E-Print Network [OSTI]

as to contribute to an accident or incident (Graeber, 1988; Price & Holley, 1990). Indeed, several near misses

326

Impacts of Operating Hardware on Window Thermal Performance  

E-Print Network [OSTI]

Fenestration Rating Council (NFRC) and International Organization for Standardization(ISO) rating systems

327

Performing a local reduction operation on a parallel computer  

DOE Patents [OSTI]

A parallel computer including compute nodes, each including two reduction processing cores, a network write processing core, and a network read processing core, each processing core assigned an input buffer. Copying, in interleaved chunks by the reduction processing cores, contents of the reduction processing cores' input buffers to an interleaved buffer in shared memory; copying, by one of the reduction processing cores, contents of the network write processing core's input buffer to shared memory; copying, by another of the reduction processing cores, contents of the network read processing core's input buffer to shared memory; and locally reducing in parallel by the reduction processing cores: the contents of the reduction processing core's input buffer; every other interleaved chunk of the interleaved buffer; the copied contents of the network write processing core's input buffer; and the copied contents of the network read processing core's input buffer.

Blocksome, Michael A.; Faraj, Daniel A.

2012-12-11T23:59:59.000Z

328

Performing a local reduction operation on a parallel computer  

DOE Patents [OSTI]

A parallel computer including compute nodes, each including two reduction processing cores, a network write processing core, and a network read processing core, each processing core assigned an input buffer. Copying, in interleaved chunks by the reduction processing cores, contents of the reduction processing cores' input buffers to an interleaved buffer in shared memory; copying, by one of the reduction processing cores, contents of the network write processing core's input buffer to shared memory; copying, by another of the reduction processing cores, contents of the network read processing core's input buffer to shared memory; and locally reducing in parallel by the reduction processing cores: the contents of the reduction processing core's input buffer; every other interleaved chunk of the interleaved buffer; the copied contents of the network write processing core's input buffer; and the copied contents of the network read processing core's input buffer.

Blocksome, Michael A; Faraj, Daniel A

2013-06-04T23:59:59.000Z

329

Performing a global barrier operation in a parallel computer  

DOE Patents [OSTI]

Executing computing tasks on a parallel computer that includes compute nodes coupled for data communications, where each compute node executes tasks, with one task on each compute node designated as a master task, including: for each task on each compute node until all master tasks have joined a global barrier: determining whether the task is a master task; if the task is not a master task, joining a single local barrier; if the task is a master task, joining the global barrier and the single local barrier only after all other tasks on the compute node have joined the single local barrier.

Archer, Charles J; Blocksome, Michael A; Ratterman, Joseph D; Smith, Brian E

2014-12-09T23:59:59.000Z

330

A Human Performance Modeling System for Process Safety Operations  

E-Print Network [OSTI]

this in the future, as well. When an abnormal process situation occurs, human intervention by responding to the alarm is often the last line of defense before a Safety Instrumented System (SIS) takes action to trip or shut down the system. If SIS takes... need to be followed by a terminal activity (get or put). Table 2. Codes for movement elements (small objects) 25 Movement MOD Body Part Distance Moved M1 1 Finger (hinged at knuckle) 1? M2 2 Hand (hinged at wrist) 2? M3 3 Arm (hinged...

Harputlu, Emrah 1986-

2013-01-02T23:59:59.000Z

331

SciTech Connect: High Performance Computing Facility Operational  

Office of Scientific and Technical Information (OSTI)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinan antagonist Journal Article:Biasi, A.long baseline neutrino experiment" Find +Search ResultsName

332

Impacts of Operating Hardware on Window Thermal Performance  

E-Print Network [OSTI]

and Renewable Energy, Office of Building Technology,Building Technologies Program of the U.S. Department ofproject ”Improved Window Technologies for Energy Efficient

Hart, Robert

2014-01-01T23:59:59.000Z

333

U.S. Installation, Operation, and Performance Standards for Microturbine  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy Usage »of EnergyTheTwo New Energy AmericanOfficeinGeothermal Energy

334

1987 DOE review: First collider run operation  

SciTech Connect (OSTI)

This review covers the operations of the first run of the 1.8 TeV superconducting super collider. The papers enclosed cover: PBAR source status, fixed target operation, Tevatron cryogenic reliability and capacity upgrade, Tevatron Energy upgrade progress and plans, status of the D0 low beta insertion, 1.8 K and 4.7 K refrigeration for low-..beta.. quadrupoles, progress and plans for the LINAC and booster, near term and long term and long term performance improvements.

Childress, S.; Crawford, J.; Dugan, G.; Edwards, H.; Finley, D.A.; Fowler, W.B.; Harrison, M.; Holmes, S.; Makara, J.N.; Malamud, E.

1987-05-01T23:59:59.000Z

335

Operating System Resource Management  

E-Print Network [OSTI]

Operating System Resource Management Date: Monday, September 27, 2010 Time: 2:00 ­ 3:00 pm Location constrained. This talk will propose a scheme for addressing the operating system resource management problem Sciences Seminar Series presents Pacific Northwest National Laboratory Resource management is the dynamic

336

Ordered involutive operator spaces  

E-Print Network [OSTI]

This is a companion to recent papers of the authors; here we construct the `noncommutative Shilov boundary' of a (possibly nonunital) selfadjoint ordered space of Hilbert space operators. The morphisms in the universal property of the boundary preserve order. As an application, we consider `maximal' and `minimal' unitizations of such ordered operator spaces.

Blecher, David P; Neal, Matthew; Werner, Wend

2007-01-01T23:59:59.000Z

337

MANUFACTURING & SERVICE OPERATIONS MANAGEMENT  

E-Print Network [OSTI]

;Green and Soares: Note Manufacturing & Service Operations Management 9(1), pp. 54­61, © 2007 INFORMS 55MANUFACTURING & SERVICE OPERATIONS MANAGEMENT Vol. 9, No. 1, Winter 2007, pp. 54­61 issn 1523-Dependent Waiting Time Probabilities in M t /M/s t Queuing Systems Linda V. Green Graduate School of Business

Soares, João Luís Cardoso

338

OPERATIONS MANAGEMENT Spring 2008  

E-Print Network [OSTI]

1 MGSC 395 OPERATIONS MANAGEMENT Spring 2008 Course Syllabus Instructor: Professor Anand Nair Class MATERIALS Required Text Books Textbook: Krajewski, Lee, Ritzman, Larry, and Malhotra, Manoj. Operations Management: Processes and Value Chains, 8 th edition, Prentice Hall, 2007. (ISBN: 0-13-187294-X). Novel

Almor, Amit

339

On Aerodynamic Optimization Under a Range of Operating Conditions  

E-Print Network [OSTI]

On Aerodynamic Optimization Under a Range of Operating Conditions David W. Zingg, and Samy Elias In aerodynamic design, good performance is generally required under a range of oper- ating conditions, including aerodynamic shape optimization.1­6 The designer specifies an objective, operating conditions, constraints

Zingg, David W.

340

Occurrence reporting and processing of operations information  

SciTech Connect (OSTI)

DOE O 232.1A, Occurrence Reporting and Processing of Operations Information, and 10 CFR 830.350, Occurrence Reporting and Processing of Operations Information (when it becomes effective), along with this manual, set forth occurrence reporting requirements for Department of Energy (DOE) Departmental Elements and contractors responsible for the management and operation of DOE-owned and -leased facilities. These requirements include categorization of occurrences related to safety, security, environment, health, or operations (``Reportable Occurrences``); DOE notification of these occurrences; and the development and submission of documented follow-up reports. This Manual provides detailed information for categorizing and reporting occurrences at DOE facilities. Information gathered by the Occurrence Reporting and processing System is used for analysis of the Department`s performance in environmental protection, safeguards and security, and safety and health of its workers and the public. This information is also used to develop lessons learned and document events that significantly impact DOE operations.

NONE

1997-07-21T23:59:59.000Z

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Repository Performance Confirmation - 12119  

SciTech Connect (OSTI)

Repository performance confirmation links the technical bases of repository science and societal acceptance. Among the countless aspects of monitoring, performance confirmation holds a special place, involving distinct activities combining technical and social significance in radioactive waste management. Discussion is divided into four themes: 1. A distinction is drawn between performance confirmation monitoring and other testing and monitoring objectives, 2. A case study illustrates confirmation activities integrated within a long-term testing and monitoring strategy for Yucca Mountain, 3. A case study reviews compliance monitoring developed and implemented for the Waste Isolation Pilot Plant, and 4. An approach for developing, evaluating and implementing the next generation of performance confirmation monitoring is presented. International interest in repository monitoring is exhibited by the European Commission Seventh Framework Programme 'Monitoring Developments for Safe Repository Operation and Staged Closure' (MoDeRn) Project. The MoDeRn partners are considering the role of monitoring in a phased approach to the geological disposal of radioactive waste. As repository plans advance in different countries, the need to consider monitoring strategies within a controlled framework has become more apparent. The MoDeRn project pulls together technical and societal experts to assimilate a common understanding of a process that could be followed to develop a monitoring program. Experience from two repository programs in the United States sheds light on how performance confirmation has been executed. Lessons learned can help the next generation of performance confirmation. (author)

Hansen, F.D. [Sandia National Laboratories, Albuquerque, New Mexico 87185 (United States)

2012-07-01T23:59:59.000Z

342

Video Operations in the Gradient Domain Fusion of image sequences is a fundamental operation in numerous video applications and usually  

E-Print Network [OSTI]

1 Video Operations in the Gradient Domain Abstract Fusion of image sequences is a fundamental operation in numerous video applications and usually consists of segmentation, matting and compositing. We present a unified framework for performing these operations on video in the gradient domain. Our approach

Cohen-Or, Daniel

343

Advanced energy design and operation technologies  

SciTech Connect (OSTI)

Current practice in design of commercial buildings does not adequately consider the relationships between design decisions and energy performance. Estimates indicate that if energy criteria were integral to the design process, more than 15% of the energy used in new buildings could be conserved. This could be done using readily available energy-efficient design knowledge, without any increase in first costs. Furthermore, building design necessarily involves assumptions concerning use and operation of the building once it is built. Currently, operations practices intended by the designer are not adequately transferred during commissioning to building operators for use as guides during operation. Advanced technologies for overcoming these problems are described in this paper. The advanced energy design and operations technologies will consist of an intelligent automated design advisor that utilizes artificial intelligence and other advanced computer technologies to provide assistance to and encourage interaction among all participants in the design process. Assistance will be provided at all points in the building design process, especially in the early phases of design (e.g., during building programming) where decisions can have particularly significant impacts on energy consumption. The technology used for the design advisor will facilitate transfer of critical operation guidance to building operators and, coupled with monitoring technology, provide feedback on performance to the design process. 4 refs., 1 fig.

Brambley, M.R.; Crawley, D.B.

1988-09-01T23:59:59.000Z

344

PERMIT FOR WELDING AND CUTTING OPERATIONS INSTRUCTIONS: This permit must be completed for all operations involving open  

E-Print Network [OSTI]

PERMIT FOR WELDING AND CUTTING OPERATIONS INSTRUCTIONS: This permit must be completed for all/Area: Description of Work to be Performed: (check where appropriate) Welding Cutting Soldering Burning Type OF ACCIDENTAL FIRES DUE TO WELDING OR CUTTING OPERATIONS 1: Do not perform cutting or welding work where an open

Papautsky, Ian

345

Savannah River Operations Office  

Broader source: Energy.gov (indexed) [DOE]

Concurrence: 'WcVlUi. Date: - - - - - - - - - - - - - -- - - - - - - Charles C. Harris, Director, Performance Assurance Division J rey M. Allison, Director, Office of...

346

Quantum Operations and Measurement  

E-Print Network [OSTI]

to perform a projective von Neumann measurement. This is also called the Stinespring dilation form of E. 6

Seevinck, Michiel

347

Richland Operations Office  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Department of Energy Richland Operations Office P.O. Box 550 &?ATES0Richland, Washington 99352 10O-AMSE-0054 A PR I Mr. J. G. Lehew III, President and Chief Executive Officer...

348

Conduct of Operations  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

This Order defines the requirements for establishing and implementing Conduct of Operations Programs at Department of Energy (DOE), including National Nuclear Security Administration (NNSA), facilities and projects. Cancels DOE O 5480.19. Admin Chg 1, 6-25-13

2010-06-29T23:59:59.000Z

349

Richland Operations Office  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

the internal dosimetry program. " S-li -SED-CHPRC-PFP-002-F1 1: Less than adequate conduct of operations was observed. Failures to follow procedures contributed to...

350

Operations Security Program  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

To establish policies, responsibilities and authorities for implementing and sustaining the Department of Energy (DOE) Operations Security (OPSEC) Program. Cancels DOE O 5632.3B. Canceled by DOE O 471.2 of 9-28-1995.

1992-04-30T23:59:59.000Z

351

Plant Operations Executive Director  

E-Print Network [OSTI]

Campus North Campus Recycling Operations Materials Human Resources Payroll Misc Svs Special Projects Planning Spray Shop Glass Shop Upholstery Shop Plant IT Painting Services G. Weincouff Human Resources Business Services Estimating Shutdown Coordination Scheduling L. Rastique Human Resources 67398 M

Awtar, Shorya

352

Transmission and Storage Operations  

Energy Savers [EERE]

to see minimal to none in static or dynamic mode) - Rates are dependent on size, mechanical wear and operating pressures * PM * PdM 5 Methane Release Reduction Can the gas be...

353

Continuity of Operations  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The notice defines requirements and responsibilities for continuity of operations planning within the DOE to ensure the capability to continue essential Departmental functions across a wide range of all hazard emergencies. Does not cancel other directives.

2005-01-14T23:59:59.000Z

354

SNS Target Systems Operational  

E-Print Network [OSTI]

a failed gas seal on the shaft and leaking oil seals but has operated well since then · The moderator 7.5 k First target replacement · No observed corrosion · Internal Boroscope examination in progress · ~ 50 mm

McDonald, Kirk

355

Protection Program Operations  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

This Order establishes requirements for the management and operation of the Department of Energy (DOE) Federal Protective Forces (FPF), Contractor Protective Forces (CPF), and the Physical Security of property and personnel under the cognizance of DOE.

2014-10-14T23:59:59.000Z

356

CH Packaging Operations Manual  

SciTech Connect (OSTI)

This procedure provides instructions for assembling the CH Packaging Drum payload assembly, Standard Waste Box (SWB) assembly, Abnormal Operations and ICV and OCV Preshipment Leakage Rate Tests on the packaging seals, using a nondestructive Helium (He) Leak Test.

Washington TRU Solutions LLC

2005-06-13T23:59:59.000Z

357

Guide to good practices for operator and postings  

SciTech Connect (OSTI)

This Guide to Good Practices is written to enhance understanding of, and provide direction for, Operator Aid Postings, Chapter XVII of Department of Energy (DOE) Order 5480.19, Conduct of Operations Requirements for DOE Facilities. The practices in this guide should be considered when planning or reviewing operator aid postings. Contractors are advised to adopt procedures that meet the intent of DOE Order 5480.19. Operator Aid Postings is an element of an effective Conduct of Operations program. The complexity and array of activities performed in DOE facilities dictate the necessity for controlling posted information to promote safe and efficient operations.

NONE

1998-12-01T23:59:59.000Z

358

Potential Operating Orbits for the SAFE-400  

SciTech Connect (OSTI)

Safety must be ensured during all phases of space fission system design, development, fabrication, launch, operation, and shutdown. One potential space fission system application is fission electric propulsion (FEP), in which fission energy is converted into electricity and used to power high efficiency (Isp > 3000 s) electric thrusters. For these types of systems it is important to determine which operational scenarios ensure safety while allowing maximum mission performance and flexibility. Space fission systems are essentially non-radioactive at launch, prior to extended operation at high power. Once high power operation begins, system radiological inventory steadily increases as fission products build up. For a given fission product isotope, the maximum radiological inventory is typically achieved once the system has operated for a length of time equivalent to several half-lives. After that time, the isotope decays at the same rate it is produced, and no further inventory builds in. For an FEP mission beginning in Earth orbit, altitude and orbital lifetime increase as the propulsion system operates. Two simultaneous effects of fission propulsion system operation are thus (1) increasing fission product inventory and (2) increasing orbital lifetime. Phrased differently, as fission products build up, more time is required for the fission products to naturally convert back into non-radioactive isotopes. Simultaneously, as fission products build up, orbital lifetime increases, providing more time for the fission products to naturally convert back into nonradioactive isotopes. Operational constraints required to ensure safety can thus be quantified. (authors)

Houts, Mike; Kos, Larry; Poston, David [NASA MSFC, TD40, Marshall Space Flight Center, Alabama, 35812 (United States)

2002-07-01T23:59:59.000Z

359

Time-integrated blood lead concentration is a valid surrogate for estimating the cumulative lead dose assessed by tibial lead measurement  

SciTech Connect (OSTI)

The concentration of lead in tibia (Pb-T) was measured in vivo by a {sup 109}Cd K-shell X-ray fluorescence technique in 123 workers from a primary lead smelter (age: mean, 45 years; range, 30-61; duration of employment: mean, 20 years; range, 7-45). Their cumulative blood lead index (CBLI) was also calculated on the basis of the blood lead (Pb-B) records available from the company`s medical files. Geometric mean for Pb-T was 49 {mu}g Pb/g bone mineral (range, 15-167). The company`s health surveillance programs, implemented since 1945, resulted in Pb-B values which rarely exceeded 70 {mu}g Pb/dl whole blood. Pb-B at the time of Pb-T measurement averaged 31 {mu}g Pb/dl (range, 6-62) and the geometric mean for CBLI amounted to 803 {mu}g Pb/dl x year (range, 220-2130). Despite various assumptions and uncertainties inherent in the assessment of the cumulative lead dose through Pb-T measurement or CBLI calculation, the relation between both variables in the present lead smelter population is very strong (r{sub pearson}= 0.80, P <0.0001; age explained at the most 9.5% of the variance). The slope of the regression equation of log Pb-T vs log CBLI showed that a doubling of CBLI also corresponds to a doubling of Pb-t. It may be concluded that a sound calculation of CBLI represents a valid surrogate for estimating the life time integrated dose of lead as assessed by the measurement of cortical bone lead (e.g., in tibia). 23 refs., 2 figs., 3 tabs.

Roels, H.; Konings, J.; Lauwerys, R. [Medical School of the Catholic Univ. of Louvain, Brussels (Belgium)] [and others] [Medical School of the Catholic Univ. of Louvain, Brussels (Belgium); and others

1995-05-01T23:59:59.000Z

360

Evaluating Steam Trap Performance  

E-Print Network [OSTI]

~LmT " TRIf' 1 TRIf' 2 Figure 2 It has become common practice for engineers to oversize steam traps and place more emphasis on first cost than on maintenance cost and operating 766 3 4 ESL-IE-86-06-126 Proceedings from the Eighth Annual Industrial...EVALUATING STEAM TRAP PERFORMANCE Noel Y Fuller, P.E. Holston Defense Corporation Kingsport, Tennessee ABSTRACT Laboratory tests were conducted on several types of steam traps at Holston Defense Corporation in Kingsport, Tennessee. Data...

Fuller, N. Y.

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Field Operations Program Activities Status Report  

SciTech Connect (OSTI)

The Field Operations Program is an electric vehicle testing and evaluation program sponsored by US Department of Energy and managed by the Idaho National Engineering and Environmental Laboratory. The Program's goals are to evaluate electric vehicles in real-world applications and environments, support electric vehicle technology advancement, develop infrastructure elements necessary to support significant electric vehicle use, support increased use of electric vehicles in federal fleets, and increase overall awareness and acceptance of electric vehicles. This report covers Program activities from fiscal year 1997 through mid-fiscal year 1999. The Field Operations Program succeeded the Site Operator Program, which ended in September 1996. Electric vehicle testing conducted by the Program includes baseline performance testing (EV America testing), accelerated reliability (life-cycle) testing, and fleet testing. The baseline performance parameters include accelerations, braking, range, energy efficiency, and charging time. The Program collects accelerated reliability and fleet operations data on electric vehicles operated by the Program's Qualified Vehicle Testing (QVT) partners. The Program's QVT partners have over 3 million miles of electric vehicle operating experience.

J. E. Francfort; D. V. O'Hara; L. A. Slezak

1999-05-01T23:59:59.000Z

362

Naturalistic Decision Making For Power System Operators  

SciTech Connect (OSTI)

Abstract: Motivation -- As indicated by the Blackout of 2003, the North American interconnected electric system is vulnerable to cascading outages and widespread blackouts. Investigations of large scale outages often attribute the causes to the three T’s: Trees, Training and Tools. A systematic approach has been developed to document and understand the mental processes that an expert power system operator uses when making critical decisions. The approach has been developed and refined as part of a capability demonstration of a high-fidelity real-time power system simulator under normal and emergency conditions. To examine naturalistic decision making (NDM) processes, transcripts of operator-to-operator conversations are analyzed to reveal and assess NDM-based performance criteria. Findings/Design -- The results of the study indicate that we can map the Situation Awareness Level of the operators at each point in the scenario. We can also identify clearly what mental models and mental simulations are being performed at different points in the scenario. As a result of this research we expect that we can identify improved training methods and improved analytical and visualization tools for power system operators. Originality/Value -- The research applies for the first time, the concepts of Recognition Primed Decision Making, Situation Awareness Levels and Cognitive Task Analysis to training of electric power system operators. Take away message -- The NDM approach provides an ideal framework for systematic training management and mitigation to accelerate learning in team-based training scenarios with high-fidelity power grid simulators.

Greitzer, Frank L.; Podmore, Robin; Robinson, Marck; Ey, Pamela

2009-06-23T23:59:59.000Z

363

Global tree network for computing structures enabling global processing operations  

DOE Patents [OSTI]

A system and method for enabling high-speed, low-latency global tree network communications among processing nodes interconnected according to a tree network structure. The global tree network enables collective reduction operations to be performed during parallel algorithm operations executing in a computer structure having a plurality of the interconnected processing nodes. Router devices are included that interconnect the nodes of the tree via links to facilitate performance of low-latency global processing operations at nodes of the virtual tree and sub-tree structures. The global operations performed include one or more of: broadcast operations downstream from a root node to leaf nodes of a virtual tree, reduction operations upstream from leaf nodes to the root node in the virtual tree, and point-to-point message passing from any node to the root node. The global tree network is configurable to provide global barrier and interrupt functionality in asynchronous or synchronized manner, and, is physically and logically partitionable.

Blumrich; Matthias A. (Ridgefield, CT); Chen, Dong (Croton-On-Hudson, NY); Coteus, Paul W. (Yorktown Heights, NY); Gara, Alan G. (Mount Kisco, NY); Giampapa, Mark E. (Irvington, NY); Heidelberger, Philip (Cortlandt Manor, NY); Hoenicke, Dirk (Ossining, NY); Steinmacher-Burow, Burkhard D. (Mount Kisco, NY); Takken, Todd E. (Mount Kisco, NY); Vranas, Pavlos M. (Bedford Hills, NY)

2010-01-19T23:59:59.000Z

364

Sustaining Operational Efficiency of a CHP System  

SciTech Connect (OSTI)

This chapter provides background information on why sustaining operations of combined cooling, heating and power systems is important, provides the algorithms for CHP system performance monitoring and commissioning verification, and concludes with a discussion on how these algorithms can be deployed.

Katipamula, Srinivas; Brambley, Michael R.

2010-01-04T23:59:59.000Z

365

Department of Energy Oakland Operations Office  

E-Print Network [OSTI]

no change in ratings from FY 1999, three (Personal Property, Facilities Management, and Safeguards contract with the Board of Trustees for the Leland Stanford Jr., University forde management and operation to commend SLAC for your continued Outstanding performance in Science and Technology (S&T) Program (e.g. B

Wechsler, Risa H.

366

Energy Management Programs- Monitoring Performance  

E-Print Network [OSTI]

ENERGY MANAGEMENT PROGRAMS - MONITORING PERFORMANCE Stanley P. Pauls Mustafa D. Shamy Merck & Co., Inc. Rahway, N. J. ABSTRACT of the historical energy consumption records. Energy use standards have been established to Steam Model monitor... energy conservation performance in bulk pharmaceutical plants. The model considers The basic steam model for most industrial process, comfort heating, and fixed loads. operations is made up of the following components: As the oil crisis developed...

Pauls, S. P.; Shamy, M. D.

367

SPEAR 3: the First Year of Operation  

SciTech Connect (OSTI)

The first electrons were accumulated in the newly completed 3-GeV SPEAR 3 storage ring on December 15, 2003, five days after the beginning of commissioning. By mid-January of 2004, 100 mA were stored, the maximum current allowed in the first phase of SPEAR 3 operation, and ring characterization and tuning continued until early March when the first photon beam line was opened for users. After the first year of operation the SPEAR 3 beam properties and ring performance had been extensively measured. These include micron stability using slow orbit feedback, an emittance coupling of {approx}0.1% and 50-h lifetimes. The performance of SPEAR 3 during its first year of commissioning and operation and the improvement plans are described.

Hettel, R.O.; /SLAC

2006-02-10T23:59:59.000Z

368

Building Performance Simulation  

E-Print Network [OSTI]

technologies, integrated design, building operation andperformance,  integrated  building design and operation, Integrated  Design  and  Operation  for  Very  Low  Energy  Buildings, 

Hong, Tianzhen

2014-01-01T23:59:59.000Z

369

Performance profiles of major energy producers 1994  

SciTech Connect (OSTI)

Performance Profiles of Major Energy Producers 1994 is the eighteenth annual report of the Energy Information Administration`s (EIA) Financial Reporting System (FRS). The report examines financial and operating developments in energy markets, with particular reference to the 24 major U.S. energy companies required to report annually on Form EIA-28. Financial information is reported by major lines of business, including oil and gas production, petroleum refining and marketing, other energy operations, and nonenergy businesses. Financial and operating results are presented in the context of energy market developments with a view toward identifying changing corporate strategies and measuring the performance of ongoing operations both in the United States and abroad.

NONE

1996-02-01T23:59:59.000Z

370

SSCL Commissioning and Operations  

SciTech Connect (OSTI)

The SSC, with an energy of 20 TeV/Beam, requires a sequence of individual accelerators of increasing energy in the injector chain. These are the Linac, Low Energy Booster, Medium Energy Booster, and High Energy Booster. Each accelerator system must be completed in sequence in order to provide beam to the next higher energy accelerator. The collider itself is comprised of ten sectors, each of which in terms of superconducting magnet bending strength, is equivalent to two HEB injectors. The completion of all injectors and collider sectors is required before stored beams can circulate in preparation for colliding beam operation. Four experimental halls are planned for the detector systems. Each major detector will be assembled in one of the halls by a world-wide collaboration of scientists. In addition, above ground facilities provide shops and test facilities for accelerator technical systems, superconducting magnet and materials research and development, and for detector assembly and operations. The purpose of this report is to present a plan for the sequential commissioning and operation of these individual accelerators and other technical facilities of the SSC. A central objective of this plan is to describe the activities at the SSCL that are not included as part of the construction project TPC, even though they occur during the overall project construction time-frame. Examples of such activities include the operation of general laboratory facilities and services not specifically related to construction, the operating costs for the individual accelerators in the injector chain once these facilities have been commissioned, and the costs of SSCL physics research groups. The Department of Energy has provided the following decision with regard to these operations categories for the SSCL.

NONE

1992-03-31T23:59:59.000Z

371

Naturalistic Decision Making for Power System Operators  

SciTech Connect (OSTI)

Motivation – Investigations of large-scale outages in the North American interconnected electric system often attribute the causes to three T’s: Trees, Training and Tools. To document and understand the mental processes used by expert operators when making critical decisions, a naturalistic decision making (NDM) model was developed. Transcripts of conversations were analyzed to reveal and assess NDM-based performance criteria. Findings/Design – An item analysis indicated that the operators’ Situation Awareness Levels, mental models, and mental simulations can be mapped at different points in the training scenario. This may identify improved training methods or analytical/ visualization tools. Originality/Value – This study applies for the first time, the concepts of Recognition Primed Decision Making, Situation Awareness Levels and Cognitive Task Analysis to training of electric power system operators. Take away message – The NDM approach provides a viable framework for systematic training management to accelerate learning in simulator-based training scenarios for power system operators and teams.

Greitzer, Frank L.; Podmore, Robin; Robinson, Marck; Ey, Pamela

2010-02-01T23:59:59.000Z

372

Updated July 2009 Operations Organization  

E-Print Network [OSTI]

All-Hands, Brown Bags, and COO Open-Door sessions Ongoing Conduct Operations Employee Climate SurveysOperations Strategic Plan Updated July 2009 #12;Operations Organization Chief Operating Officer deliver exceptional operational services in support of the scientific mission of Berkeley Lab. goals

Eisen, Michael

373

Hoyte Phifer Facilities Operations  

E-Print Network [OSTI]

battery operated clocks in offices. #12;#12;·Last year, UNCG produced over 1973 tons of solid waste. · 1. , corner of Highland Ave. and Oakland ­ red brick building #12;#12; "All State agencies, universities, and community colleges that have State-owned vehicle fleets shall develop and implement plans to improve

Saidak, Filip

374

Concept of Operations: Essence  

SciTech Connect (OSTI)

This concept of operations is designed to give the reader a brief overview of the National Rural Electric Cooperative Association’s Essence project and a description of the Essence device design. The data collected by the device, how the data are used, and how the data are protected are also discussed in this document.

Hutton, William J.

2014-04-01T23:59:59.000Z

375

Conduct of Operations  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

This Order defines the requirements for establishing and implementing Conduct of Operations Programs at Department of Energy (DOE), including National Nuclear Security Administration (NNSA), facilities and projects. Cancels DOE O 5480.19. Admin Chg 1, dated 6-25-13, cancels DOE O 422.1. Certified 12-3-14.

2010-06-29T23:59:59.000Z

376

Finance & Operations Vice President,  

E-Print Network [OSTI]

Operations · Public Safety Educational Outreach · Safe IA Partnership (S.I.P) · Security Guard Programs Assistance Program · Employee Immigration Services · Employee Disability Services · Family Services · Compensation & Classification · Employee & Labor Relations · Employment Services · Family Issues Committee

Stanier, Charlie

377

REACTOR OPERATIONS AND CONTROL  

E-Print Network [OSTI]

REACTOR OPERATIONS AND CONTROL KEYWORDS: core calculations, neural networks, control rod elevation of a control rod, or a group of control rods, is an important parameter from the viewpoint of reactor control DETERMINATION OF PWR CONTROL ROD POSITION BY CORE PHYSICS AND NEURAL NETWORK METHODS NINOS S. GARIS* and IMRE

Pázsit, Imre

378

NUCLEAR PLANT OPERATIONS AND  

E-Print Network [OSTI]

NUCLEAR PLANT OPERATIONS AND CONTROL KEYWORDS: moderator temper ature coefficient, reactivity co reactor Unit 4 of the Ringhals Nuclear Power Plant (Sweden) during fuel cycle 16 is analyzed absorption cross-section behavior. Consequently, if NUCLEAR TECHNOLOGY VOL. 140 NOV. 2002 147 #12;Demazière

Demazière, Christophe

379

NUCLEAR PLANT OPERATIONS AND  

E-Print Network [OSTI]

NUCLEAR PLANT OPERATIONS AND CONTROL KEYWORDS: moderator temper- ature coefficient, reactivity co reactor Unit 4 of the Ringhals Nuclear Power Plant (Sweden) during fuel cycle 16 is analyzed. Consequently, if*E-mail: demaz@nephy.chalmers.se NUCLEAR TECHNOLOGY VOL. 140 NOV. 2002 147 #12;high-burnup fuel

Pázsit, Imre

380

Hamiltonian and Volume Operators  

E-Print Network [OSTI]

2+1 gravity coupled to a massless scalar field has an initial singularity when the spatial slices are compact. The quantized model is used here to investigate several issues of quantum gravity. The spectrum of the volume operator is studied at the initial singularity. The energy spectrum is obtained. Dynamics of the universe is also investigated.

M. Pierri

2002-01-04T23:59:59.000Z

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Office of Business Operations  

Broader source: Energy.gov [DOE]

The Office of Business Operations manages financial and acquisition management programs throughout the Associate Under Secretary for the Office of Environment, Health, Safety and Security (AU), including the formulation and execution of the AU budget; funding control and accounting activities; preparation of management studies; and provision of acquisition management support.

382

RUNWAY OPERATIONAL QUALITY ASSURANCE  

E-Print Network [OSTI]

RUNWAY OPERATIONAL QUALITY ASSURANCE MELANIE BAKER, DARIC MEGERSA & ALFONSO PANLILIO Sponsors: Dr Vortex Separation Rule, for a homogeneous fleet mix, is determined by the time between arriving aircraft Occupancy (SRO) rule, for a non- homogeneous fleet mix, MTC= 3600/ [ROT] [ROT]= = i (pi *ROTi) ROT (in sec

383

Repository performance confirmation.  

SciTech Connect (OSTI)

Repository performance confirmation links the technical bases of repository science and societal acceptance. This paper explores the myriad aspects of what has been labeled performance confirmation in U.S. programs, which involves monitoring as a collection of distinct activities combining technical and social significance in radioactive waste management. This paper is divided into four parts: (1) A distinction is drawn between performance confirmation monitoring and other testing and monitoring objectives; (2) A case study illustrates confirmation activities integrated within a long-term testing and monitoring strategy for Yucca Mountain; (3) A case study reviews compliance monitoring developed and implemented for the Waste Isolation Pilot Plant; and (4) An approach for developing, evaluating and implementing the next generation of performance confirmation monitoring is presented. International interest in repository monitoring is exhibited by the European Commission Seventh Framework Programme 'Monitoring Developments for Safe Repository Operation and Staged Closure' (MoDeRn) Project. The MoDeRn partners are considering the role of monitoring in a phased approach to the geological disposal of radioactive waste. As repository plans advance in different countries, the need to consider monitoring strategies within a controlled framework has become more apparent. The MoDeRn project pulls together technical and societal experts to assimilate a common understanding of a process that could be followed to develop a monitoring program. A fundamental consideration is the differentiation of confirmation monitoring from the many other testing and monitoring activities. Recently, the license application for Yucca Mountain provided a case study including a technical process for meeting regulatory requirements to confirm repository performance as well as considerations related to the preservation of retrievability. The performance confirmation plan developed as part of the Yucca Mountain license application identified a broad suite of monitoring activities. A revision of the plan was expected to winnow the number of activities down to a manageable size. As a result, an objective process for the next stage of performance confirmation planning was developed as an integral part of an overarching long-term testing and monitoring strategy. The Waste Isolation Pilot Plant compliance monitoring program at once reflects its importance to stakeholders while demonstrating adequate understanding of relevant monitoring parameters. The compliance criteria were stated by regulation and are currently monitored as part of the regulatory rule for disposal. At the outset, the screening practice and parameter selection were not predicated on a direct or indirect correlation to system performance metrics, as was the case for Yucca Mountain. Later on, correlation to performance was established, and the Waste Isolation Pilot Plant continues to monitor ten parameters originally identified in the compliance certification documentation. The monitoring program has proven to be effective for the technical intentions and societal or public assurance. The experience with performance confirmation in the license application process for Yucca Mountain helped identify an objective, quantitative methodology for this purpose. Revision of the existing plan would be based on findings of the total system performance assessment. Identification and prioritization of confirmation activities would then derive from performance metrics associated with performance assessment. Given the understanding of repository performance confirmation, as reviewed in this paper, it is evident that the performance confirmation program for the Yucca Mountain project could be readily re-engaged if licensing activities resumed.

Hansen, Francis D.

2011-09-01T23:59:59.000Z

384

Operations and Maintenance Program Structure  

Broader source: Energy.gov [DOE]

The Federal Energy Management Program recommends Federal operations and maintenance (O&M) programs comprise of five distinct functions: operations, maintenance, engineering, training, and...

385

Cable Measuring Engine Operation Procedures  

E-Print Network [OSTI]

MEASURING ENGINE OPERATION PROCEDURES LBNL-40565 SC-MAG-597MEASURING ENGINE OPERATION PROCEDURES INDEX IN T ROD U C TCALIBRATION PROCEDURE . .

Authors, Various

2011-01-01T23:59:59.000Z

386

Response Operations | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Electricity Delivery and Energy Reliability Response Operations Response Operations Overview The federal government primarily plays a coordinating and support role during...

387

Cable Measuring Engine Operation Procedures  

E-Print Network [OSTI]

gov CABLE MEASURING ENGINE OPERATION PROCEDURES LBNL-40565LBNL-40565 CABLE MEASURING ENGINE OPERATION PROCEDURES INDEXThe Cable Measuring Engine (CME) is a tool which measures

Authors, Various

2011-01-01T23:59:59.000Z

388

The DNA of a high-performing manufacturing organization : improving operations capability through performance measurement  

E-Print Network [OSTI]

The Broad Institute of MIT, Harvard, and the Whitehead Institute, contains the world's highest-throughput genome sequencing center, which contributed approximately one third of the sequence for the Human Genome Project ...

Couzens, Scott A

2006-01-01T23:59:59.000Z

389

Environmental Management Performance Report July 2000  

SciTech Connect (OSTI)

The purpose of this report is to provide the Department of Energy Richland Operations Office (DOE-RL) a monthly summary of the Project Hanford Management Contractor's (PHMC) Environmental Management (EM) performance by Fluor Hanford (FH) and its subcont.

EDER, D.M.

2000-07-01T23:59:59.000Z

390

Key performance indicators in humanitarian logistics  

E-Print Network [OSTI]

Non-profit humanitarian relief organizations have typically been unable to measure the performance of their supply chains due to an inability to centrally capture data from operations. With the recent development and ...

Davidson, Anne Leslie

2006-01-01T23:59:59.000Z

391

An instrumentation package for monitoring tractor performance  

E-Print Network [OSTI]

of performance for most current tractor models was engine speed. Since overall tractor performance was influenced by several operating variables, not just engine speed, additional monitors and displays of performance were needed. Tractor performance monitors... Rotational Sp D' fferential Speed Measurement Draft Measurement Rear Axle Torque Measurement Fuel Consumption Measurement Campbell CR5 Digital Recorder Field Test Design and Procedures Data Requirements Test Site and Field Variables Travel Speed...

Green, Malcolm Kirk

1983-01-01T23:59:59.000Z

392

Process for operating equilibrium controlled reactions  

DOE Patents [OSTI]

A cyclic process for operating an equilibrium controlled reaction in a plurality of reactors containing an admixture of an adsorbent and a reaction catalyst suitable for performing the desired reaction which is operated in a predetermined timed sequence wherein the heating and cooling requirements in a moving reaction mass transfer zone within each reactor are provided by indirect heat exchange with a fluid capable of phase change at temperatures maintained in each reactor during sorpreaction, depressurization, purging and pressurization steps during each process cycle.

Nataraj, Shankar (Allentown, PA); Carvill, Brian Thomas (Orefield, PA); Hufton, Jeffrey Raymond (Fogelsville, PA); Mayorga, Steven Gerard (Allentown, PA); Gaffney, Thomas Richard (Allentown, PA); Brzozowski, Jeffrey Richard (Bethlehem, PA)

2001-01-01T23:59:59.000Z

393

Conduct of Operations and Quality Assurance Compliance  

SciTech Connect (OSTI)

The purpose of this document is to present and detail the deliverables for the Tiger Team Action Plan, Finding MF-11, and milestones in the FY92 Performance Appraisal for Conduct of Operations from Sandia National Laboratories to DOE. The ``Proposal for Reporting Conduct of Operations & Quality Assurance Compliance to DOE`` describes what the deliverables shall be. Five major steps that result in the development of line practices are covered in this document. These line practices specify what Sandia will do to comply with the above DOE management orders. The five steps include: hazard classification; programmatic risk classification; management grouping; compliance plan; and corporate reporting.

Andrews, N.S.

1992-06-01T23:59:59.000Z

394

Conduct of Operations and Quality Assurance Compliance  

SciTech Connect (OSTI)

The purpose of this document is to present and detail the deliverables for the Tiger Team Action Plan, Finding MF-11, and milestones in the FY92 Performance Appraisal for Conduct of Operations from Sandia National Laboratories to DOE. The Proposal for Reporting Conduct of Operations Quality Assurance Compliance to DOE'' describes what the deliverables shall be. Five major steps that result in the development of line practices are covered in this document. These line practices specify what Sandia will do to comply with the above DOE management orders. The five steps include: hazard classification; programmatic risk classification; management grouping; compliance plan; and corporate reporting.

Andrews, N.S.

1992-06-01T23:59:59.000Z

395

OPERATOR'S MANUAL IMPORTANT NOTES  

E-Print Network [OSTI]

-3 B) LOAD CONNECTION (I) and PAR. 3-3 C) LOAD CONNECTION (II) add the following: Load connectionsMODEL OPERATOR'S MANUAL IMPORTANT NOTES: 1) This manual is valid for the following Model: BOP 20-20, BOP 36-12, BOP 50-8, BOP 72-6, BOP 100-4 BOP 100W, 200W, 400W POWER SUPPLY #12;#12;1 LOAD

Kleinfeld, David

396

Operations Task Management (OTM)  

SciTech Connect (OSTI)

This paper reviews the steps taken by management at Ashland Oil to reduce expenses, including an analysis of every aspect of the refinery. It was determined that the areas most adaptable to improvement were the maintenance department, storerooms, the laboratory and energy utilization. The authors focus, however, on the difficulties met in implementing an effective cost control program in the operations area, detailing the reasons why and examining the system ultimately installed in this area.

Miller, C.B.; Duck, C.H.

1985-10-01T23:59:59.000Z

397

DCO Operations Interesting Statistics  

E-Print Network [OSTI]

DCO Operations Interesting Statistics 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Chart by: HANDS DOWN SOFTWARE, www.handsdownsoftware.com 1.00 0.95 0.90 0.85 0.80 0.75 0.70 0.65 0.60 0 is annotated with the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE

398

Operations Cost Allocation Project  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas Conchas recoveryLaboratorySpeeding access1 TechnicalOilOnlineandOperations

399

Operational health physics training  

SciTech Connect (OSTI)

The initial four sections treat basic information concerning atomic structure and other useful physical quantities, natural radioactivity, the properties of {alpha}, {beta}, {gamma}, x rays and neutrons, and the concepts and units of radiation dosimetry (including SI units). Section 5 deals with biological effects and the risks associated with radiation exposure. Background radiation and man-made sources are discussed next. The basic recommendations of the ICRP concerning dose limitations: justification, optimization (ALARA concepts and applications) and dose limits are covered in Section seven. Section eight is an expanded version of shielding, and the internal dosimetry discussion has been extensively revised to reflect the concepts contained in the MIRD methodology and ICRP 30. The remaining sections discuss the operational health physics approach to monitoring radiation. Individual sections include radiation detection principles, instrument operation and counting statistics, health physics instruments and personnel monitoring devices. The last five sections deal with the nature of, operation principles of, health physics aspects of, and monitoring approaches to air sampling, reactors, nuclear safety, gloveboxes and hot cells, accelerators and x ray sources. Decontamination, waste disposal and transportation of radionuclides are added topics. Several appendices containing constants, symbols, selected mathematical topics, and the Chart of the Nuclides, and an index have been included.

NONE

1992-06-01T23:59:59.000Z

400

On Line Power Plant Performance Monitoring  

E-Print Network [OSTI]

in achieving the best operation of the plant 3. To evaluate component performance and deterioration for use in a maintenance program 4. To develop cost data and incremental cost characteristics for the economic operation or dispatch of the unit... ? Analyze current plant?eQuipment status and diagnostics for preventive maintenance and equipment damage ? Provide current energy management and system dispatch operation information ? Capability for plant and equipment acceptance and periodic...

Ahner, D. J.; Priestley, R. R.

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Mobile workstation for decontamination and decommissioning operations  

SciTech Connect (OSTI)

This project is an interdisciplinary effort to develop effective mobile worksystems for decontamination and decommissioning (D&D) of facilities within the DOE Nuclear Weapons Complex. These mobile worksystems will be configured to operate within the environmental and logistical constraints of such facilities and to perform a number of work tasks. Our program is designed to produce a mobile worksystem with capabilities and features that are matched to the particular needs of D&D work by evolving the design through a series of technological developments, performance tests and evaluations. The project has three phases. In this the first phase, an existing teleoperated worksystem, the Remote Work Vehicle (developed for use in the Three Mile Island Unit 2 Reactor Building basement), was enhanced for telerobotic performance of several D&D operations. Its ability to perform these operations was then assessed through a series of tests in a mockup facility that contained generic structures and equipment similar to those that D&D work machines will encounter in DOE facilities. Building upon the knowledge gained through those tests and evaluations, a next generation mobile worksystem, the RWV II, and a more advanced controller will be designed, integrated and tested in the second phase, which is scheduled for completion in January 1995. The third phase of the project will involve testing of the RWV II in the real DOE facility.

Whittaker, W.L.; Osborn, J.F.; Thompson, B.R. [Carnegie-Mellon Univ., Pittsburgh, PA (United States). Robotics Inst.

1993-10-01T23:59:59.000Z

402

Mentoring Human Performance - 12480  

SciTech Connect (OSTI)

Although the positive effects of implementing a human performance approach to operations can be hard to quantify, many organizations and industry areas are finding tangible benefits to such a program. Recently, a unique mentoring program was established and implemented focusing on improving the performance of managers, supervisors, and work crews, using the principles of Human Performance Improvement (HPI). The goal of this mentoring was to affect behaviors and habits that reliably implement the principles of HPI to ensure continuous improvement in implementation of an Integrated Safety Management System (ISMS) within a Conduct of Operations framework. Mentors engaged with personnel in a one-on-one, or one-on-many dialogue, which focused on what behaviors were observed, what factors underlie the behaviors, and what changes in behavior could prevent errors or events, and improve performance. A senior management sponsor was essential to gain broad management support. A clear charter and management plan describing the goals, objectives, methodology, and expected outcomes was established. Mentors were carefully selected with senior management endorsement. Mentors were assigned to projects and work teams based on the following three criteria: 1) knowledge of the work scope; 2) experience in similar project areas; and 3) perceived level of trust they would have with project management, supervision, and work teams. This program was restructured significantly when the American Reinvestment and Recovery Act (ARRA) and the associated funding came to an end. The program was restructured based on an understanding of the observations, attributed successes and identified shortfalls, and the consolidation of those lessons. Mentoring the application of proven methods for improving human performance was shown effective at increasing success in day-to-day activities and increasing confidence and level of skill of supervisors. While mentoring program effectiveness is difficult to measure, and return on investment is difficult to quantify, especially in complex and large organizations where the ability to directly correlate causal factors can be challenging, the evidence presented by Sydney Dekker, James Reason, and others who study the field of human factors does assert managing and reducing error is possible. Employment of key behaviors-HPI techniques and skills-can be shown to have a significant impact on error rates. Our mentoring program demonstrated reduced error rates and corresponding improvements in safety and production. Improved behaviors are the result, of providing a culture with consistent, clear expectations from leadership, and processes and methods applied consistently to error prevention. Mentoring, as envisioned and executed in this program, was effective in helping shift organizational culture and effectively improving safety and production. (authors)

Geis, John A.; Haugen, Christian N. [CALIBRE Systems, Inc., Alexandria, Virginia (United States)

2012-07-01T23:59:59.000Z

403

RADCAL Operations Manual Radiation Calibration Laboratory Protocol  

SciTech Connect (OSTI)

The Life Sciences Division (LSD) of Oak Ridge National Laboratory (ORNL) has a long record of radiation dosimetry research, primarily using the Health Physics Research Reactor (HPRR) and the Radiation Calibration Laboratory (RADCAL) in its Dosimetry Applications Research (DOSAR) Program. These facilities have been used by a broad segment of the research community to perform a variety of experiments in areas including, but not limited to, radiobiology, radiation dosimeter and instrumentation development and calibration, and the testing of materials in a variety of radiation environments. Operations of the HPRR were terminated in 1987 and the reactor was moved to storage at the Oak Ridge Y-12 Plant; however, RADCAL will continue to be operated in accordance with the guidelines of the National Institute of Standards and Technology (NIST) Secondary Calibration Laboratory program and will meet all requirements for testing dosimeters under the National Voluntary Laboratory Accreditation Program (NVLAP). This manual is to serve as the primary instruction and operation manual for the Oak Ridge National Laboratory's RADCAL facility. Its purpose is to (1) provide operating protocols for the RADCAL facility, (2) outline the organizational structure, (3) define the Quality Assurance Action Plan, and (4) describe all the procedures, operations, and responsibilities for the safe and proper operation of all routine aspects of the calibration facility.

Bogard, J.S.

1998-12-01T23:59:59.000Z

404

National Synchrotron Light Source guidelines for the conduct of operations  

SciTech Connect (OSTI)

To improve the quality and uniformity of operations at the Department of Energy`s facilities, the DOE issued Order 5480.19 ``Conduct of Operations Requirements at DOE facilities.`` This order recognizes that the success of a facilities mission critically depends upon a high level of performance by its personnel and equipment. This performance can be severely impaired if the facility`s Conduct of Operations pays inadequate attention to issues of organization, safety, health, and the environment. These guidelines are Brookhaven National Laboratory`s and the National Synchrotron Light Source`s acknowledgement of the principles of Conduct of Operations and the response to DOE Order 5480.19. These guidelines cover the following areas: (1) operations organization and administration; (2) shift routines and operating practices; (3) control area activities; (4) communications; (5) control of on-shift training; (6) investigation of abnormal events; (7) notifications; (8) control of equipment and system studies; (9) lockouts and tagouts; (10) independent verification; (11) log-keeping; (12) operations turnover; (13) operations aspects of facility process control (14) required reading; (15) timely orders to operators; (16) operations procedures; (17) operator aid posting; and (18) equipment sizing and labeling.

Buckley, M. [Brookhaven National Lab., Upton, NY (United States). National Synchrotron Light Source

1998-01-01T23:59:59.000Z

405

Implementing and Sustaining Operator Led Energy Efficiency Improvements  

E-Print Network [OSTI]

, to significantly reduce energy consumption, the site must focus on a strategic approach which involves developing, implementing and sustaining a client specific program of energy optimization. We discuss ways of sustaining energy performance through operator led...

Hoyle, A.; Knight, N.; Rutkowski, M.

2011-01-01T23:59:59.000Z

406

Modeling the operating voltage of liquid metal battery cells  

E-Print Network [OSTI]

A one-dimensional, integrative model of the voltage during liquid metal battery operation has been developed to enhance the understanding of performance at the cell level. Two liquid metal batteries were studied: Mg-Sb for ...

Newhouse, Jocelyn Marie

2014-01-01T23:59:59.000Z

407

Supernova remnant mass cumulated along the star formation history of the z=3.8 radiogalaxies 4C41.17 and TN J2007-1316  

E-Print Network [OSTI]

In this paper, we show that the supernova remnant (SNR) masses cumulated from core-collapse supernovae along the star formation history of two powerful z=3.8 radio galaxies 4C41.17 and TN J2007-1316 reach up to > 10^9 Msun, comparable with supermassive black hole (SMBH) masses measured from the SDSS sample at similar redshifts. The SNR mass is measured from the already exploded supernova mass after subtraction of ejecta at the galaxy age where the mass of still luminous stars fits at best the observed spectral energy distribution (SED), continuously extended to the optical-Spitzer-Herschel-submm domains, with the help of the galaxy evolution model P\\'egase.3. For the recent and old stellar populations, SNR masses vary on 10^(9 to 10) Msun and the SNR-to-star mass ratio between 1 and 0.1 percent is comparable to the observed low-z SMBH-to-star mass ratio. For the template radio galaxy 4C41.17, SNR and stellar population masses estimated from large aperture (>4arcsec=30kpc) observations are compatible, within o...

Rocca-Volmerange, Brigitte; De Breuck, Carlos

2015-01-01T23:59:59.000Z

408

Combining scenarios in a calculation of the overall probability distribution of cumulative releases of radioactivity from the Waste Isolation Pilot Plant, southeastern New Mexico  

SciTech Connect (OSTI)

The Waste Isolation Pilot Plant (WIPP), in southeastern New Mexico, is a research and development facility to demonstrate safe disposal of defense-generated transuranic waste. The US Department of Energy will designate WIPP as a disposal facility if it meets the US Environmental Protection Agency's standard for disposal of such waste; the standard includes a requirement that estimates of cumulative releases of radioactivity to the accessible environment be incorporated in an overall probability distribution. The WIPP Project has chosen an approach to calculation of an overall probability distribution that employs the concept of scenarios for release and transport of radioactivity to the accessible environment. This report reviews the use of Monte Carlo methods in the calculation of an overall probability distribution and presents a logical and mathematical foundation for use of the scenario concept in such calculations. The report also draws preliminary conclusions regarding the shape of the probability distribution for the WIPP system; preliminary conclusions are based on the possible occurrence of three events and the presence of one feature: namely, the events attempted boreholes over rooms and drifts,'' mining alters ground-water regime,'' water-withdrawal wells provide alternate pathways,'' and the feature brine pocket below room or drift.'' Calculation of the WIPP systems's overall probability distributions for only five of sixteen possible scenario classes that can be obtained by combining the four postulated events or features.

Tierney, M.S.

1991-11-01T23:59:59.000Z

409

A Computuerized Operator Support System Prototype  

SciTech Connect (OSTI)

A report was published by the Idaho National Laboratory in September of 2012, entitled Design to Achieve Fault Tolerance and Resilience, which described the benefits of automating operator actions for transients. The report identified situations in which providing additional automation in lieu of operator actions would be advantageous. It recognized that managing certain plant upsets is sometimes limited by the operator’s ability to quickly diagnose the fault and to take the needed actions in the time available. Undoubtedly, technology is underutilized in the nuclear power industry for operator assistance during plant faults and operating transients. In contrast, other industry sectors have amply demonstrated that various forms of operator advisory systems can enhance operator performance while maintaining the role and responsibility of the operator as the independent and ultimate decision-maker. A computerized operator support system (COSS) is proposed for use in nuclear power plants to assist control room operators in addressing time-critical plant upsets. A COSS is a collection of technologies to assist operators in monitoring overall plant performance and making timely, informed decisions on appropriate control actions for the projected plant condition. The COSS does not supplant the role of the operator, but rather provides rapid assessments, computations, and recommendations to reduce workload and augment operator judgment and decision-making during fast-moving, complex events. This project proposes a general model for a control room COSS that addresses a sequence of general tasks required to manage any plant upset: detection, validation, diagnosis, recommendation, monitoring, and recovery. The model serves as a framework for assembling a set of technologies that can be interrelated to assist with each of these tasks. A prototype COSS has been developed in order to demonstrate the concept and provide a test bed for further research. The prototype is based on four underlying elements consisting of a digital alarm system, computer-based procedures, PI&D system representations, and a recommender module for mitigation actions. At this point, the prototype simulates an interface to a sensor validation module and a fault diagnosis module. These two modules will be fully integrated in the next version of the prototype. The initial version of the prototype is now operational at the Idaho National Laboratory using the U.S. Department of Energy’s Light Water Reactor Sustainability (LWRS) Human Systems Simulation Laboratory (HSSL). The HSSL is a full-scope, full-scale glass top simulator capable of simulating existing and future nuclear power plant main control rooms. The COSS is interfaced to the Generic Pressurized Water Reactor (gPWR) simulator with industry-typical control board layouts. The glass top panels display realistic images of the control boards that can be operated by touch gestures. A section of the simulated control board was dedicated to the COSS human-system interface (HSI), which resulted in a seamless integration of the COSS into the normal control room environment.

Ken Thomas; Ronald Boring; Roger Lew; Tom Ulrich; Richard Villim

2013-08-01T23:59:59.000Z

410

A Computuerized Operator Support System Prototype  

SciTech Connect (OSTI)

A report was published by the Idaho National Laboratory in September of 2012, entitled Design to Achieve Fault Tolerance and Resilience, which described the benefits of automating operator actions for transients. The report identified situations in which providing additional automation in lieu of operator actions would be advantageous. It recognized that managing certain plant upsets is sometimes limited by the operator’s ability to quickly diagnose the fault and to take the needed actions in the time available. Undoubtedly, technology is underutilized in the nuclear power industry for operator assistance during plant faults and operating transients. In contrast, other industry sectors have amply demonstrated that various forms of operator advisory systems can enhance operator performance while maintaining the role and responsibility of the operator as the independent and ultimate decision-maker. A computerized operator support system (COSS) is proposed for use in nuclear power plants to assist control room operators in addressing time-critical plant upsets. A COSS is a collection of technologies to assist operators in monitoring overall plant performance and making timely, informed decisions on appropriate control actions for the projected plant condition. The COSS does not supplant the role of the operator, but rather provides rapid assessments, computations, and recommendations to reduce workload and augment operator judgment and decision-making during fast-moving, complex events. This project proposes a general model for a control room COSS that addresses a sequence of general tasks required to manage any plant upset: detection, validation, diagnosis, recommendation, monitoring, and recovery. The model serves as a framework for assembling a set of technologies that can be interrelated to assist with each of these tasks. A prototype COSS has been developed in order to demonstrate the concept and provide a test bed for further research. The prototype is based on four underlying elements consisting of a digital alarm system, computer-based procedures, PI&D system representations, and a recommender module for mitigation actions. At this point, the prototype simulates an interface to a sensor validation module and a fault diagnosis module. These two modules will be fully integrated in the next version of the prototype. The initial version of the prototype is now operational at the Idaho National Laboratory using the U.S. Department of Energy’s Light Water Reactor Sustainability (LWRS) Human Systems Simulation Laboratory (HSSL). The HSSL is a full-scope, full-scale glass top simulator capable of simulating existing and future nuclear power plant main control rooms. The COSS is interfaced to the Generic Pressurized Water Reactor (gPWR) simulator with industry-typical control board layouts. The glass top panels display realistic images of the control boards that can be operated by touch gestures. A section of the simulated control board was dedicated to the COSS human-system interface (HSI), which resulted in a seamless integration of the COSS into the normal control room environment.

Ken Thomas; Ronald Boring; Roger Lew; Tom Ulrich; Richard Villim

2013-11-01T23:59:59.000Z

411

Operating and Maintaining a 465MW Cogeneration Plant  

E-Print Network [OSTI]

OPERATING AND HAINTAINING A 465MW COGENERATION PLANT -- R. E. Theisen Plant Hanager CoGen Lyondell PSE Inc. Houston, Texas ABSTRACT The on-line av ilability of the five Fr me-7E gas turbine generators installed at the 465MW Lyondell... performed promptly on discovered design, operating, and maintenance weaknesses uncovered during the early months of operation. INTRODUCTION In March, 1985, a pa"per was presented at the ASHE-Sponsored Gas Turbine Conference in Houston, Texas...

Theisen, R. E.

412

Tunneling Qubit Operation on a Protected Josephson Junction Array  

E-Print Network [OSTI]

We discuss a protected quantum computation process based on a hexagon Josephson junction array. Qubits are encoded in the punctured array, which is topologically protected. The degeneracy is related to the number of holes. The topological degeneracy is lightly shifted by tuning the flux through specific hexagons. We also show how to perform single qubit operation and basic quantum gate operations in this system.

Zhi Yin; Sheng-Wen Li; Yi-Xin Chen

2010-01-29T23:59:59.000Z

413

CA3080, CA3080A 2MHz, Operational Transconductance  

E-Print Network [OSTI]

1 CA3080, CA3080A 2MHz, Operational Transconductance Amplifier (OTA) The CA3080 and CA3080A types described in Application Note AN6668, "Applications of the CA3080 and CA3080A High- Performance Operational Transconductance Amplifiers". The CA3080 and CA3080A types have differential input and a single-ended, push

Lanterman, Aaron

414

Aerodynamic Optimization Under a Range of Operating Conditions  

E-Print Network [OSTI]

Aerodynamic Optimization Under a Range of Operating Conditions David W. Zingg and Samy Elias. This can be achieved through multipoint optimization. The desired performance objective and operating conditions must be speci ed, and the resulting optimization problem must be solved in such a manner

Zingg, David W.

415

Stretchable and High-Performance Supercapacitors with Crumpled Graphene Papers  

E-Print Network [OSTI]

Fabrication of unconventional energy storage devices with high stretchability and performance is challenging, but critical to practical operations of fully power-independent stretchable electronics. While supercapacitors ...

Zang, Jianfeng

416

Field Survey of Parabolic Trough Receiver Thermal Performance: Preprint  

SciTech Connect (OSTI)

This paper describes a technique that uses an infrared camera to evaluate the in-situ thermal performance of parabolic trough receivers at operating solar power plants.

Price, H.; Forristall, R.; Wendelin, T.; Lewandowski, A.; Moss, T.; Gummo, C.

2006-04-01T23:59:59.000Z

417

IBRD Operational Decision Framework  

SciTech Connect (OSTI)

The IBRD Operational Decision Framework in this document is an expansion of an emerging general risk management framework under development by an interagency working group. It provides the level of detail necessary to develop a general Consequence Management Guidance Document for biological contamination remediation and restoration. It is the intent of this document to support both wide area and individual site remediation and restoration activities. This product was initiated as a portion of the IBRD Task 1 Systems Analysis to aid in identification of wide area remediation and restoration shortcomings and gaps. The draft interagency general risk management framework was used as the basis for the analysis. The initial Task 1 analysis document expanded the draft interagency framework to a higher level of resolution, building on both the logic structure and the accompanying text explanations. It was then employed in a qualitative manner to identify responsible agencies, data requirements, tool requirements, and current capabilities for each decision and task. This resulted in identifying shortcomings and gaps needing resolution. Several meetings of a joint LLNL/SNL working group reviewed and approved the initial content of this analysis. At the conclusion of Task 1, work continued on the expanded framework to generate this Operational Decision Framework which is consistent with the existing interagency general risk management framework. A large LLNL task group met repeatedly over a three-month period to develop the expanded framework, coordinate the framework with the biological remediation checklist, and synchronize the logic with the Consequence Management Plan table of contents. The expanded framework was briefed at a large table top exercise reviewing the interagency risk management framework. This exercise had representation from major US metropolitan areas as well as national agencies. This product received positive comments from the participants. Upon completion of the Operational Decision Framework, another joint LLNL/SNL working group conducted a day-long review. Identified modifications were made to the document, resulting in the included product.

Greenwalt, R; Hibbard, W; Raber, E; Carlsen, T; Folks, K; MacQueen, D; Mancieri, S; Bunt, T; Richards, J; Hirabayashi-Dethier, J

2010-11-12T23:59:59.000Z

418

Equipment Operational Requirements  

SciTech Connect (OSTI)

The Iraq Department of Border Enforcement is rich in personnel, but poor in equipment. An effective border control system must include detection, discrimination, decision, tracking and interdiction, capture, identification, and disposition. An equipment solution that addresses only a part of this will not succeed, likewise equipment by itself is not the answer without considering the personnel and how they would employ the equipment. The solution should take advantage of the existing in-place system and address all of the critical functions. The solutions are envisioned as being implemented in a phased manner, where Solution 1 is followed by Solution 2 and eventually by Solution 3. This allows adequate time for training and gaining operational experience for successively more complex equipment. Detailed descriptions of the components follow the solution descriptions. Solution 1 - This solution is based on changes to CONOPs, and does not have a technology component. It consists of observers at the forts and annexes, forward patrols along the swamp edge, in depth patrols approximately 10 kilometers inland from the swamp, and checkpoints on major roads. Solution 2 - This solution adds a ground sensor array to the Solution 1 system. Solution 3 - This solution is based around installing a radar/video camera system on each fort. It employs the CONOPS from Solution 1, but uses minimal ground sensors deployed only in areas with poor radar/video camera coverage (such as canals and streams shielded by vegetation), or by roads covered by radar but outside the range of the radar associated cameras. This document provides broad operational requirements for major equipment components along with sufficient operational details to allow the technical community to identify potential hardware candidates. Continuing analysis will develop quantities required and more detailed tactics, techniques, and procedures.

Greenwalt, B; Henderer, B; Hibbard, W; Mercer, M

2009-06-11T23:59:59.000Z

419

ARM - SGP Operations  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc Documentation RUC :ProductsSCM Forcing Data DerivedInstrumentsPolarExtended FacilityOperations

420

Operations Information for Studies  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006 The 2002 WholesaleEnergy'sRunning jobsOPERATING

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
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421

Operations | Argonne National Laboratory  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006 The 2002 WholesaleEnergy'sRunningOperations Two Argonne teams each

422

Operations Research Analysts  

Gasoline and Diesel Fuel Update (EIA)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) " ,"Click worksheet9,1,50022,3,,,,6,1,,781 2,328 2,683DieselValuesEIA-782A andProduct: Total583093Operations

423

New Operation Schedule  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Regionat Cornell Batteries &NSTCurrent IssuesHypothesisNew Operation

424

Crane Operation Training  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases on &gamma;-Al2O3.Winter (Part 2) | DepartmentCrane Operational

425

Operation and Maintenance  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas Conchas recoveryLaboratorySpeeding access1 TechnicalOilOnlineand Future DirectionOperations

426

Operations & Maintenance  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas Conchas recoveryLaboratorySpeeding access1 TechnicalOilOnlineand FutureOperationalRates

427

Operations & Maintenance  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas Conchas recoveryLaboratorySpeeding access1 TechnicalOilOnlineandOperations and Maintenance

428

Parastillation Process in Operations  

E-Print Network [OSTI]

PARASTII.IMICN PIO:ESS rn OPERATIONS Frank canfield ChenShare Coq:oration Houston, Texas The Parastillation process is a new rrethod for ITU.11ti-stage, counter-current contact between vapor and liquid that results in 33% rrore ideal stages... than distillation for a given tray spaci.n;J. Patents have been granted in the U.S.A., U.K., Europe and other countries. Perfonnance of the process has been confimm aver the past several years by eat1puter siITU.llation, by laboratory tests...

Canfield, F.; Jenkins, O.

429

Operating Instructions Bedienungsanleitung  

E-Print Network [OSTI]

an excellent price/performance ratio and many useful accessories (e.g. electrode clip and wrist strap for the portable meter) are already included in the standard delivery of the instruments. Other accessories! - Dry off any liquid spills immediately! The instrument is not watertight (FG2 is IP54)! - Exclude

Woodall, Jerry M.

430

Stage Right operational safety analysis and evaluation of Pantex personnel operations  

SciTech Connect (OSTI)

This report documents a study (Stage Right Operational Safety Analysis) that was performed to evaluate the effects of new Stage Right operations on the safety of Pantex personnel who perform the operations and maintain the equipment. The primary concern of the evaluation was for personnel safety during Stage Right operations, but operations equipment damage and degradation also were taken into account. This analysis evaluates safety of the work process in the staging of dismantled nuclear weapon pits within the modified Richmond magazines only. This Stage Right Process and Operational Safety Analysis includes the following processes: moving the pelletized drums from the pallet trailer to the pallet turner, staging of pallets and removal of pallets from the magazine, recovery from an incident in a magazine, setting up, opening, and closing a Zone 4 magazine, inventory of pelletized drums in the magazines, transporting pelletized drums from Zone 12 to Zone 4, and maintenance on the shielded lift truck that involves removal of the cab shielding. The analysis includes the following undesirable consequences: injury to personnel, breach of an AL-R8 container, drop of a loaded pallet, damage to equipment, and equipment unreliability.

Rountree, S.L.K.; Whitehurst, H.O.; Tomlin, E.H.; Restrepo, L.F. [Sandia National Labs., Albuquerque, NM (United States); White, J. [Sandia National Labs., Albuquerque, NM (United States)]|[Intera, Albuquerque, NM (United States)

1995-01-01T23:59:59.000Z

431

OPTIMIZATION OF OPERATIONAL CHARACTERISTICS OF SHOTBLASTING TURBINE  

E-Print Network [OSTI]

A parametric study has been performed in order to optimize the operational characteristics of shotblasting turbine used for surface cleaning of metal products in foundries. The study has been focused on four main parameters: shot velocity, shot distribution, shot mass flow and turbine efficiency. Different turbine designs were experimentally studied which enabled the influence factors to be identified and then quantified by means of comparison of original and modified turbine characteristics. The step-by-step optimization was then performed which resulted in redesigned shotblasting turbine with improved operational characteristics. Up to 35 % higher maximum massflow rate of shot particles has been achieved and turbine efficiency has been improved by more than 6 %. Just slight reduction of shot flow velocity was observed (only 2 %), which confirms an important improvement of shotblasting potentials of new turbine.

Aleš Hribernik; Bojan A?ko; Gorazd Bombek

432

Extending quantum operations  

SciTech Connect (OSTI)

For a given set of input-output pairs of quantum states or observables, we ask the question whether there exists a physically implementable transformation that maps each of the inputs to the corresponding output. The physical maps on quantum states are trace-preserving completely positive maps, but we also consider variants of these requirements. We generalize the definition of complete positivity to linear maps defined on arbitrary subspaces, then formulate this notion as a semidefinite program, and relate it by duality to approximative extensions of this map. This gives a characterization of the maps which can be approximated arbitrarily well as the restriction of a map that is completely positive on the whole algebra, also yielding the familiar extension theorems on operator spaces. For quantum channel extensions and extensions by probabilistic operations we obtain semidefinite characterizations, and we also elucidate the special case of Abelian inputs or outputs. Finally, revisiting a theorem by Alberti and Uhlmann, we provide simpler and more widely applicable conditions for certain extension problems on qubits, and by using a semidefinite programming formulation we exhibit counterexamples to seemingly reasonable but false generalizations of the Alberti-Uhlmann theorem.

Heinosaari, Teiko [Turku Centre for Quantum Physics, Department of Physics and Astronomy, University of Turku (Finland); Jivulescu, Maria A. [Department of Mathematics, University Politehnica Timisoara, 300006 Timisoara (Romania); Reeb, David; Wolf, Michael M. [Department of Mathematics, Technische Universitaet Muenchen, 85748 Garching (Germany)

2012-10-15T23:59:59.000Z

433

U.S. Department of Energy High Performance and Sustainable Buildings...  

Broader source: Energy.gov (indexed) [DOE]

DOE's commitment to designing, building, operating, and maintaining high performance and sustainable buildings (HPSB). U.S. Department of Energy High Performance and Sustainable...

434

Motor current signature analysis method for diagnosing motor operated devices  

DOE Patents [OSTI]

A motor current noise signature analysis method and apparatus for remotely monitoring the operating characteristics of an electric motor-operated device such as a motor-operated valve. Frequency domain signal analysis techniques are applied to a conditioned motor current signal to distinctly identify various operating parameters of the motor driven device from the motor current signature. The signature may be recorded and compared with subsequent signatures to detect operating abnormalities and degradation of the device. This diagnostic method does not require special equipment to be installed on the motor-operated device, and the current sensing may be performed at remote control locations, e.g., where the motor-operated devices are used in accessible or hostile environments.

Haynes, Howard D. (Kingston, TN); Eissenberg, David M. (Oak Ridge, TN)

1990-01-01T23:59:59.000Z

435

Operating experience with 100% pellet burden on Amanda blast furnace  

SciTech Connect (OSTI)

A number of significant changes in operations at the Ashland Works of the Armco Steel Company occurred in 1992 which directly impacted the Amanda Blast Furnace operation. These changes included the shutdown of the hot strip mill which resulted in coke oven gas enrichment of the Amanda stoves and an increase of 75 C in hot blast temperature, transition to 100% continuous cast operation which resulted in increased variation of the hot metal demand, and the July idling of the sinter plant. Historically, the Amanda Blast Furnace burden was 30% fluxed sinter and 70% acid pellet. It was anticipated that the change to 100% pellet burden would require changes in charging practice and alter furnace performance. The paper gives a general furnace description and then describes the burden characteristics, operating practice with 30% sinter/70% acid pellet burden, preparations for the 100% acid pellet burden operation, the 100% acid pellet operation, and the 100% fluxed pellet burden operation.

Keaton, D.E.; Minakawa, T. (Armco Steel Co., Middletown, OH (United States). Ironmaking Dept.)

1993-01-01T23:59:59.000Z

436

Guide to good practices for shift routines and operating practices  

SciTech Connect (OSTI)

This Guide to Good Practices is written to enhance understanding of, and provide direction for, ``Shift Routines and Operating Practices,`` Chapter 2 of Department of Energy (DOE) Order 5480.19, Conduct of Operations Requirements for DOE Facilities. The practices in this guide should be considered when planning or reviewing shift routines and operating practices. ``Shift Routines and Operating Practices`` is an element of an effective Conduct of Operations program. The complexity and array of activities performed in DOE facilities dictate the necessity for a high standard of professional conduct and sound operating practices to promote safe and efficient operations. Recently, guidance pertaining to this element has been strengthened for nuclear power reactors. This additional guidance is given in Appendix C for information purposes. Though this guidance and good practices pertain to nuclear power reactors, DOE sites may choose to use a graded approach for implementing these in nuclear facilities.

NONE

1998-12-01T23:59:59.000Z

437

Guide to good practices for shift routines and operating practices  

SciTech Connect (OSTI)

This Guide to Good Practices is written to enhance understanding of, and provide direction for, Shift Routines and Operating Practices, Chapter H of Department of Energy (DOE) Order 5480.19, Conduct of Operations Requirements for DOE Facilities.'' The practices in this guide should be considered when planning or reviewing shift routines and operating practices. Contractors are advised to adopt procedures that meet the intent of DOE Order 5480.19. Shift Routines and Operating Practices'' is an element of an effective Conduct of Operations program. The complexity and array of activities performed in DOE facilities dictate the necessity for a high standard of professional conduct and sound operating practices to promote safe and efficient operations.

Not Available

1993-06-01T23:59:59.000Z

438

Guide to good practices for shift routines and operating practices  

SciTech Connect (OSTI)

This Guide to Good Practices is written to enhance understanding of, and provide direction for, Shift Routines and Operating Practices, Chapter H of Department of Energy (DOE) Order 5480.19, ``Conduct of Operations Requirements for DOE Facilities.`` The practices in this guide should be considered when planning or reviewing shift routines and operating practices. Contractors are advised to adopt procedures that meet the intent of DOE Order 5480.19. ``Shift Routines and Operating Practices`` is an element of an effective Conduct of Operations program. The complexity and array of activities performed in DOE facilities dictate the necessity for a high standard of professional conduct and sound operating practices to promote safe and efficient operations.

Not Available

1993-06-01T23:59:59.000Z

439

Hypergeometric type operators and their supersymmetric partners  

SciTech Connect (OSTI)

The generalization of the factorization method performed by Mielnik [J. Math. Phys. 25, 3387 (1984)] opened new ways to generate exactly solvable potentials in quantum mechanics. We present an application of Mielnik's method to hypergeometric type operators. It is based on some solvable Riccati equations and leads to a unitary description of the quantum systems exactly solvable in terms of orthogonal polynomials or associated special functions.

Cotfas, Nicolae [Faculty of Physics, University of Bucharest, PO Box 76 - 54, Post Office 76, 062590 Bucharest (Romania); Cotfas, Liviu Adrian [Faculty of Economic Cybernetics, Statistics and Informatics, Academy of Economic Studies, 6 Piata Romana, 010374 Bucharest (Romania)

2011-05-15T23:59:59.000Z

440

Optimal operation of simple vapour compression cycles  

E-Print Network [OSTI]

is the air-conditioner (A/C). In colder regions a cycle operating in the opposite direction, the "heat pump. The coefficients of performance for a heating cycle (heat pump) and a cooling cycle (refrigerator, A/C) are defined as COPh = Qh Ws = h1 - h2 h1 - h4 and COPc = Qc Ws = h4 - h3 h1 - h4 (1.1) respectively. Heat pumps

Skogestad, Sigurd

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Evaluating operating system vulnerability to memory errors.  

SciTech Connect (OSTI)

Reliability is of great concern to the scalability of extreme-scale systems. Of particular concern are soft errors in main memory, which are a leading cause of failures on current systems and are predicted to be the leading cause on future systems. While great effort has gone into designing algorithms and applications that can continue to make progress in the presence of these errors without restarting, the most critical software running on a node, the operating system (OS), is currently left relatively unprotected. OS resiliency is of particular importance because, though this software typically represents a small footprint of a compute node's physical memory, recent studies show more memory errors in this region of memory than the remainder of the system. In this paper, we investigate the soft error vulnerability of two operating systems used in current and future high-performance computing systems: Kitten, the lightweight kernel developed at Sandia National Laboratories, and CLE, a high-performance Linux-based operating system developed by Cray. For each of these platforms, we outline major structures and subsystems that are vulnerable to soft errors and describe methods that could be used to reconstruct damaged state. Our results show the Kitten lightweight operating system may be an easier target to harden against memory errors due to its smaller memory footprint, largely deterministic state, and simpler system structure.

Ferreira, Kurt Brian; Bridges, Patrick G. (University of New Mexico); Pedretti, Kevin Thomas Tauke; Mueller, Frank (North Carolina State University); Fiala, David (North Carolina State University); Brightwell, Ronald Brian

2012-05-01T23:59:59.000Z

442

Hardware support for software controlled fast multiplexing of performance counters  

DOE Patents [OSTI]

Performance counters may be operable to collect one or more counts of one or more selected activities, and registers may be operable to store a set of performance counter configurations. A state machine may be operable to automatically select a register from the registers for reconfiguring the one or more performance counters in response to receiving a first signal. The state machine may be further operable to reconfigure the one or more performance counters based on a configuration specified in the selected register. The state machine yet further may be operable to copy data in selected one or more of the performance counters to a memory location, or to copy data from the memory location to the counters, in response to receiving a second signal. The state machine may be operable to store or restore the counter values and state machine configuration in response to a context switch event.

Salapura, Valentina; Wisniewski, Robert W.

2013-01-01T23:59:59.000Z

443

Hardware support for software controlled fast multiplexing of performance counters  

DOE Patents [OSTI]

Performance counters may be operable to collect one or more counts of one or more selected activities, and registers may be operable to store a set of performance counter configurations. A state machine may be operable to automatically select a register from the registers for reconfiguring the one or more performance counters in response to receiving a first signal. The state machine may be further operable to reconfigure the one or more performance counters based on a configuration specified in the selected register. The state machine yet further may be operable to copy data in selected one or more of the performance counters to a memory location, or to copy data from the memory location to the counters, in response to receiving a second signal. The state machine may be operable to store or restore the counter values and state machine configuration in response to a context switch event.

Salapura, Valentina; Wisniewski, Robert W

2013-10-01T23:59:59.000Z

444

Applying group technology in the operational planning of electronics assembly (multiple machine case)  

E-Print Network [OSTI]

This research investigates the operational planning problem for electronics assembly. The objective is to develop an analytical tool that is capable of performing the operational planning of Printed Circuit Board (PCB) assembly for a defined batch...

Awwad, Ghassan Samir

1987-01-01T23:59:59.000Z

445

The evaluation of beginning farmer program financing on Texas corn, cotton, and sorghum operations  

E-Print Network [OSTI]

farmer operating loan financing versus conventional lending on Brazos and Jackson County farm operations. Measures used to evaluate the financial performance of the various scenarios include: expected ending equity position, variability of ending equity...

Moritz, Wendy Lee

1994-01-01T23:59:59.000Z

446

Direct, Indirect and Cumulative Impacts  

E-Print Network [OSTI]

during creation of an Environmental Impact Statement (EIS). Public evaluations and input from independent, variances and non-compliance of permit conditions after the EIS is completed prevents public comment on the natural and human environment from mining in the Peace River Watershed. Environmental Impacts from

Demers, Nora Egan

447

Considering Cumulative Effects under NEPA  

National Nuclear Security Administration (NNSA)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICEACME | NationalTbilisi08 to17 2.7 i R

448

Cumulative Impacts | Department of Energy  

Office of Environmental Management (EM)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "of Energy Power Systems EngineeringDepartmentSmart GridThird Quarterinto PARSCriteria2/00Services30, 2015

449

Performance profiles of major energy producers 1993  

SciTech Connect (OSTI)

Performance Profiles of Major Energy Producers 1993 is the seventeenth annual report of the Energy Information Administration`s (EIA) Financial Reporting System (FRS). The report examines financial and operating developments in energy markets, with particular reference to the 25 major US energy companies required to report annually on Form EIA-28. Financial information is reported by major liens of business, including oil and gas production, petroleum refining and marketing, other energy operations, and nonenergy businesses. Financial and operating results are presented in the context of energy market developments with a view toward identifying changing corporate strategies and measuring the performance of ongoing operations both in the US and abroad. This year`s report analyzes financial and operating developments for 1993 (Part 1: Developments in 1993) and also reviews key developments during the 20 years following the Arab Oil Embargo of 1973--1974 (Part 2: Major Energy Company Strategies Since the Arab Oil Embargo). 49 figs., 104 tabs.

NONE

1995-01-01T23:59:59.000Z

450

Fuel Performance Annual Report for 1980  

SciTech Connect (OSTI)

This annual report, the third in a series, provides a brief description of fuel performance in conmercial nuclear power plants. Brief summaries of fuel surveillance programs and operating experience, fuel performance problems, and fuel design changes are provided. References to additional, more detailed, information and related NRC evaluation are included.

Bailey, W. J.; Rising, K. H.; Tokar, M.

1981-12-01T23:59:59.000Z

451

Operational Security (OPSEC) Reminder | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Operational Security (OPSEC) Reminder Operational Security (OPSEC) Reminder June 3, 2014 - 1:24pm Addthis Operational Security (OPSEC) Reminder Operational Security (OPSEC)...

452

FRMAC Operations Manual  

SciTech Connect (OSTI)

In the event of a major radiological incident, the Federal Radiological Monitoring and Assessment Center (FRMAC) will coordinate the federal agencies that have various statutory responsibilities. The FRMAC is responsible for coordinating all environmental radiological monitoring, sampling, and assessment activities for the response. This manual describes the FRMAC’s response activities in a radiological incident. It also outlines how FRMAC fits in the National Incident Management System (NIMS) under the National Response Framework (NRF) and describes the federal assets and subsequent operational activities which provide federal radiological monitoring and assessment of the affected areas. In the event of a potential or existing major radiological incident, the U.S. Department of Energy (DOE), National Nuclear Security Administration Nevada Site Office (NNSA/NSO) is responsible for establishing and managing the FRMAC during the initial phases.

Frandsen, K.

2010-05-01T23:59:59.000Z

453

RH Packaging Operations Manual  

SciTech Connect (OSTI)

This procedure provides operating instructions for the RH-TRU 72-B Road Cask, Waste Shipping Package. In this document, ''Packaging'' refers to the assembly of components necessary to ensure compliance with the packaging requirements (not loaded with a payload). ''Package'' refers to a Type B packaging that, with its radioactive contents, is designed to retain the integrity of its containment and shielding when subject to the normal conditions of transport and hypothetical accident test conditions set forth in 10 CFR Part 71. Loading of the RH 72-B cask can be done two ways, on the RH cask trailer in the vertical position or by removing the cask from the trailer and loading it in a facility designed for remote-handling (RH). Before loading the 72-B cask, loading procedures and changes to the loading procedures for the 72-B cask must be sent to CBFO at sitedocuments@wipp.ws for approval.

Washington TRU Solutions LLC

2003-09-17T23:59:59.000Z

454

Performance indicators, third quarter CY-1991  

SciTech Connect (OSTI)

Secretary of Energy Notice (SEN-29-91) directed that a Department- wide uniform system of Performance Indicators (PI's) for trending and analyzing operational data to help assess and support progress in improving performance and in strengthening line management control of operations relating to environmental safety, and health activities'' be developed. This Performance Indicator Report represents a compilation of data for the third quarter of calendar year 1991 for the following Lawrence Berkeley Laboratory (LBL) facilities: (1) Bevalac, (2) 88-Inch Cyclotron, (3) Materials Sciences Division.

Not Available

1992-01-01T23:59:59.000Z

455

Performance indicators, third quarter CY-1991  

SciTech Connect (OSTI)

Secretary of Energy Notice (SEN-29-91) directed that a Department- wide ``uniform system of Performance Indicators (PI`s) for trending and analyzing operational data to help assess and support progress in improving performance and in strengthening line management control of operations relating to environmental safety, and health activities`` be developed. This Performance Indicator Report represents a compilation of data for the third quarter of calendar year 1991 for the following Lawrence Berkeley Laboratory (LBL) facilities: (1) Bevalac, (2) 88-Inch Cyclotron, (3) Materials Sciences Division.

Not Available

1992-01-01T23:59:59.000Z

456

CONTRACTS AND PROCUREMENT OPERATIONS MANUAL  

E-Print Network [OSTI]

CONTRACTS AND PROCUREMENT OPERATIONS MANUAL California State University, Fullerton Division University, Fullerton Contracts and Procurement P a g e | 1 Table of Contents ALPHABETICAL INDEX OF TERMS.........................................................................................................................14 CONTRACTS AND PROCUREMENT OPERATIONS

de Lijser, Peter

457

Operating Efficiency Comes From Teamwork  

E-Print Network [OSTI]

A group of operating and planning personnel formed the INter Plant Utilities Team [INPUT] to improve energy efficiency and reliability for Exxon's Baytown, Texas, refinery and chemical plants complex. The Team coordinates the day-to-day operations...

Relyea, D. L.; Stone, A.

458

DOE Corporate Operating Experience Program  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The Order institutes a DOE wide program for the management of operating experience to prevent adverse operating incidents and facilitate the sharing of good work practices among DOE sites. Cancels DOE O 210.2.

2011-04-08T23:59:59.000Z

459

This paper presents the case for using personal computers as workstations. The argument is based on the performance of CISC processors using a 32 bit operating system. The authors have developed a set of simple benchmarks that measure integer, floating po  

E-Print Network [OSTI]

processors perform the benchmarks 1.25 to 7.25 times faster using Linux than with the MS-DOS and Windows workstation environment. Again, the personal computer performed adequately. Given the price difference between

Miller, Ethan L.

460

Guide to good practices for operations aspects of unique processes  

SciTech Connect (OSTI)

This Guide to Good Practices is written to enhance understanding of, and provide direction for, Operations Aspects of Facility Chemistry and Unique Processes, Chapter XIII of Department of Energy (DOE) Order 5480.19, Conduct of Operations Requirements for DOE Facilities. The practices in this guide should be considered when planning or reviewing employee training and facility management programs. Contractors are advised to adopt procedures that meet the intent of DOE Order 5480.19. Operations Aspects of Unique Processes is an element of an effective Conduct of Operations program. The complexity and array of activities performed in DOE facilities dictate the necessity for all personnel to coordinate interrelated activities affecting unique processes.

NONE

1998-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "operating performance cumulative" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Electric vehicle fleet operations in the United States  

SciTech Connect (OSTI)

The United States Department of Energy (DOE) is actively supporting the development and commercialization of advanced electric vehicles, and advanced batteries and propulsion systems. As part of this effort, the DOE Field Operations Program is performing commercial validation of electric vehicles. These efforts have included on-board data acquisition of electric vehicle operations and baseline performance testing. The baseline performance tests focus on parameters such as range, acceleration, and battery charging. This testing, performed in conjunction with EV America, has included the baseline performance testing of 14 electric vehicles will also be baseline performance tested. The baseline performance testing has documented annual improvements in performance. This and additional information is made available to the public via the internet homepage (http://ev.inel.gov). The Field Operations Program continues to support the development of electric vehicles and infrastructure in conjunction with its new qualified vehicle test partners: Electric Transportation Application of Phoenix, and Southern California Edison. The Field Operations Program is managed by the Lockheed Martin Idaho Technologies Company, at the Idaho National Engineering Laboratory. 4 refs., 5 figs., 2 tabs.

Francfort, J.E. [Idaho National Engineering and Environmental Lab., Idaho Falls, ID (United States); O`Hara, D. [Dept. of Energy, Washington, DC (United States)

1997-10-01T23:59:59.000Z

462

CH Packaging Operations Manual  

SciTech Connect (OSTI)

This document provides the user with instructions for assembling a payload. All the steps in Subsections 1.2, Preparing 55-Gallon Drum Payload Assembly; 1.3, Preparing "Short" 85-Gallon Drum Payload Assembly (TRUPACT-II and HalfPACT); 1.4, Preparing "Tall" 85-Gallon Drum Payload Assembly (HalfPACT only); 1.5, Preparing 100-Gallon Drum Payload Assembly; 1.6, Preparing SWB Payload Assembly; and 1.7, Preparing TDOP Payload Assembly, must be completed, but may be performed in any order as long as radiological control steps are not bypassed.

Washington TRU Solutions LLC

2005-02-28T23:59:59.000Z

463

ARM - AAF Operations  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert SouthwestTechnologies |November 2011AstudiesRing Under79 Performance1 AMS2

464

Environmental Management Performance Report for December 1999  

SciTech Connect (OSTI)

The purpose of the Environmental Management Performance Report (EMPR) is to provide the Department of Energy Richland Operations Office's (DOE-RL's) report of Hanford's Environmental Management (EM) performance by: U. S. Department of Energy, Richland Operations Office, Project Hanford Management Contract (PHMC) through Fluor Hanford, Inc. (FHI) and its subcontractors, Environmental Restoration Contract through Bechtel Hanford, Inc. (BHI), and its subcontractors, and Pacific Northwest National Laboratories (PNNL) for EM and EM Science and Technology (S&T) Mission. This report is a monthly publication that summarizes EM Site performance under RL Operations Office. It is organized by the four sections listed above, with each section containing an Executive Summary and Area Performance Summaries. A listing of what is contained in the sections can be found in the Table of Contents.

EDER, D.M.

2000-02-16T23:59:59.000Z

465

Appendix A: STANDARD OPERATING PROCEDURES  

E-Print Network [OSTI]

1 Appendix A: STANDARD OPERATING PROCEDURES A. STANDARD OPERATING PROCEDURES Standard Operating Procedures (SOP) are written safety and health guidelines for laboratory work with hazardous chemicals Procedures be written for hazardous chemicals when the chemical is used routinely in the laboratory and when

Ferrara, Katherine W.

466

Operating Reserves and Variable Generation  

SciTech Connect (OSTI)

This report tries to first generalize the requirements of the power system as it relates to the needs of operating reserves. It also includes a survey of operating reserves and how they are managed internationally in system operations today and then how new studies and research are proposing they may be managed in the future with higher penetrations of variable generation.

Ela, E.; Milligan, M.; Kirby, B.

2011-08-01T23:59:59.000Z

467

STANDARD OPERATING PROCEDURES Site Selection  

E-Print Network [OSTI]

IMPROVE STANDARD OPERATING PROCEDURES SOP 126 Site Selection Date Last Modified Modified by: 09 References none #12;SOP 126: Site Selection 3 1.0 PURPOSE AND APPLICABILITY This standard operating procedure field conditions, and for ease of operation and maintenance. IMPROVE aerosol samplers are generally

Fischer, Emily V.

468

Acoustical and Noise Control Criteria and Guidelines for Building Design and Operations  

E-Print Network [OSTI]

Noise, vibration and acoustical design, construction, commissioning and operation practices influence building cost, efficiency, performance and effectiveness. Parameters for structural vibration, building systems noise, acoustics and environmental...

Evans, J. B.; Himmel, C. N.

469

Drilling operations change gear  

SciTech Connect (OSTI)

Predicts that several technological developments (e.g. measurement-while-drilling tools, computer data-gathering systems, improved drill bits, muds, downhole mud motors, and more efficient rigs) will have a major effect on drilling operations in the not-too-distant future. While several companies manufacture MWD systems and most can boast of successful runs, the major problem with the MWD system is cost. Manufacturers continue to make advances in both turbine and positive displacement mud motors. As the life span of downhole mud motors improves, these motors can economically compete with a rotary rig in drilling certain straight-hole intervals. Prototype bit designs include the use of lasers, electronic beams, flames, sparks, explosives, rocket exhaust, chains, projectiles, abrasive jets, and high-pressure erosion. Because drilling fluids are taking a large share of the drilling budget, mud engineers are trying to optimize costs, while maintaining well bore stability and increasing penetration rates. Many companies are taking the strategy of designing the simplest mud program possible and increasing additives only as needed. Air and foam drilling techniques are gaining attention. Concludes that as crude oil prices increase and the rig count begins to rebound, attention will once again turn to drilling technology and methodology.

Moore, S.D.

1982-08-01T23:59:59.000Z

470

Designing and Operating for Safeguards: Lessons Learned From the Rokkasho Reprocessing Plant (RRP)  

SciTech Connect (OSTI)

This paper will address the lessons learned during the implementation of International Atomic Energy Agency (IAEA) safeguards at the Rokkasho Reprocessing Plant (RRP) which are relevant to the issue of ‘safeguards by design’. However, those lessons are a result of a cumulative history of international safeguards experiences starting with the West Valley reprocessing plant in 1969, continuing with the Barnwell plant, and then with the implementation of international safeguards at WAK in Germany and TRP in Japan. The design and implementation of safeguards at RRP in Japan is the latest and most challenging that the IAEA has faced. This paper will discuss the work leading up to the development of a safeguards approach, the design and operating features that were introduced to improve or aid in implementing the safeguards approach, and the resulting recommendations for future facilities. It will provide an overview of how ‘safeguardability’ was introduced into RRP.

Johnson, Shirley J.; Ehinger, Michael

2010-08-07T23:59:59.000Z

471

Vitrification Facility integrated system performance testing report  

SciTech Connect (OSTI)

This report provides a summary of component and system performance testing associated with the Vitrification Facility (VF) following construction turnover. The VF at the West Valley Demonstration Project (WVDP) was designed to convert stored radioactive waste into a stable glass form for eventual disposal in a federal repository. Following an initial Functional and Checkout Testing of Systems (FACTS) Program and subsequent conversion of test stand equipment into the final VF, a testing program was executed to demonstrate successful performance of the components, subsystems, and systems that make up the vitrification process. Systems were started up and brought on line as construction was completed, until integrated system operation could be demonstrated to produce borosilicate glass using nonradioactive waste simulant. Integrated system testing and operation culminated with a successful Operational Readiness Review (ORR) and Department of Energy (DOE) approval to initiate vitrification of high-level waste (HLW) on June 19, 1996. Performance and integrated operational test runs conducted during the test program provided a means for critical examination, observation, and evaluation of the vitrification system. Test data taken for each Test Instruction Procedure (TIP) was used to evaluate component performance against system design and acceptance criteria, while test observations were used to correct, modify, or improve system operation. This process was critical in establishing operating conditions for the entire vitrification process.

Elliott, D.

1997-05-01T23:59:59.000Z

472

The higher spin Laplace operator  

E-Print Network [OSTI]

This paper deals with a certain class of second-order conformally invariant operators acting on functions taking values in particular (finite-dimensional) irreducible representations of the orthogonal group. These operators can be seen as a generalisation of the Laplace operator to higher spin as well as a second order analogue of the Rarita-Schwinger operator. To construct these operators, we will use the framework of Clifford analysis, a multivariate function theory in which arbitrary irreducible representations for the orthogonal group can be realised in terms of polynomials satisfying a system of differential equations. As a consequence, the functions on which this particular class of operators act are functions taking values in the space of harmonics homogeneous of degree k. We prove the ellipticity of these operators and use this to investigate their kernel, focusing on both polynomial solutions and the fundamental solution.

Hendrik De Bie; David Eelbode; Matthias Roels

2015-01-24T23:59:59.000Z

473

Graph 500 Performance on a Distributed-Memory Cluster REU Site: Interdisciplinary Program in High Performance Computing  

E-Print Network [OSTI]

traditional performance benchmarks for high- performance computers measure the speed of arithmetic operations benchmark is intended to rank high-performance computers based on speed of memory retrieval-memory cluster tara in the UMBC High Performance Computing Facility (www.umbc.edu/hpcf). The cluster tara has 82

Gobbert, Matthias K.

474

High Performance Computing  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

High Performance Computing High Performance Computing Providing world-class high performance computing capability that enables unsurpassed solutions to complex problems of...

475

Liens for Oil and Gas Operations (Nebraska)  

Broader source: Energy.gov [DOE]

This section contains regulations concerning lien allowances made to operators of oil and gas operations.

476

Riser and wellhead monitoring for improved offshore drilling operations  

E-Print Network [OSTI]

in mind during riser operations. Safe operation... ...deals with conduction the operation within operation

Nørvåg, Kjetil

477

Guide to good practices for operations organization and administration  

SciTech Connect (OSTI)

This Guide to Good Practices is written to enhance understanding of, and provide direction for, Operations Organization and Administration, Chapter I of Department of Energy (DOE) Order 5480.19, Conduct of Operations Requirements for DOE Facilities. The practices in this guide should be considered when planning or reviewing operations organization and administration programs. Contractors are advised to adopt procedures that meet the intent of DOE Order 5480.19. This standard should be used in conjunction with principles of the Integrated Safety Management System as incorporated in DOE G 450.4-1, Integrated Safety Management System Guide. Operations Organization and Administration is an element of an effective Conduct of Operations program. The complexity and array of activities performed in DOE facilities dictate the necessity for well-defined standards and requirements for safe and efficient operations.

NONE

1998-12-01T23:59:59.000Z

478

Operating and Assurance Program Plan. Revision 4  

SciTech Connect (OSTI)

The LBL Operating and Assurance Program (OAP) is a management system and a set of requirements designed to maintain the level of performance necessary t