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We encourage you to perform a real-time search of NLEBeta
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1

Advanced regenerator testing in the Raytheon dual-use cryocoolerr  

SciTech Connect (OSTI)

Significant progress has been made on the Raytheon low cost space cryocooler called the Dual-Use Cryocooler (DUC). Most notably, the DUC has been integrated and tested with an advanced regenerator. The advanced regenerator is a drop-in replacement for stainless steel screens and has shown significant thermodynamic performance improvements. This paper will compare the performance of two different regenerators and explain the benefits of the advanced regenerator.

Schaefer, B. R.; Bellis, L.; Ellis, M. J.; Conrad, T. J. [Raytheon Space and Airborne Systems 2000 E. El Segundo Blvd., El Segundo, CA 90245 (United States)

2014-01-29T23:59:59.000Z

2

Advanced Materials for RSOFC Dual Operation with Low Degradation  

SciTech Connect (OSTI)

Reversible solid oxide fuel cells (RSOFCs) are energy conversion devices. They are capable of operating in both power generation mode (SOFC) and electrolysis modes (SOEC). RSOFC can integrate renewable production of electricity and hydrogen when power generation and steam electrolysis are coupled in a system, which can turn intermittent solar and wind energy into "firm power." In this DOE EERE project, VPS continuously advanced RSOFC cell stack technology in the areas of endurance and performance. Over 20 types of RSOFC cells were developed in the project. Many of those exceeded performance (area specific resistance less than 300 mohmcm2) and endurance (degradation rate less than 4% per 1000 hours) targets in both fuel cell and electrolysis modes at 750C. One of those cells, RSOFC-7, further demonstrated the following: Steady-state electrolysis with a degradation rate of 1.5% per 1000 hours. Ultra high current electrolysis over 3 A/cm2 at 75% water electrolysis efficiency voltage of 1.67 V. Daily SOFC/SOEC cyclic test of over 600 days with a degradation rate of 1.5% per 1000 hours. Over 6000 SOFC/SOEC cycles in an accelerated 20-minute cycling with degradation less than 3% per 1000 cycles. In RSOFC stack development, a number of kW-class RSOFC stacks were developed and demonstrated the following: Steady-state electrolysis operation of over 5000 hours. Daily SOFC/SOEC cyclic test of 100 cycles. Scale up capability of using large area cells with 550 cm2 active area showing the potential for large-scale RSOFC stack development in the future. Although this project is an open-ended development project, this effort, leveraging Versa Power Systems' years of development experience, has the potential to bring renewable energy RSOFC storage systems significantly closer to commercial viability through improvements in RSOFC durability, performance, and cost. When unitized and deployed in renewable solar and wind installations, an RSOFC system can enable higher availability for intermittent renewable resources, thereby improving the commercial viability of these types of energy resources.

Eric, Tang; Tony, Wood; Sofiane, Benhaddad; Casey, Brown; Hongpeng, He; Jeff, Nelson; Oliver, Grande; Ben, Nuttall; Mark, Richards; Randy, Petri

2012-12-27T23:59:59.000Z

3

Sequential event prediction  

E-Print Network [OSTI]

In sequential event prediction, we are given a ďsequence databaseĒ of past event sequences to learn from, and we aim to predict the next event within a current event sequence. We focus on applications where the set of the ...

Letham, Benjamin

4

Advances  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the BuildingInnovation PortalScienceScripting forAdvances in

5

Sequential elution process  

DOE Patents [OSTI]

A process and apparatus for the separation of complex mixtures of carbonaceous material by sequential elution with successively stronger solvents. In the process, a column containing glass beads is maintained in a fluidized state by a rapidly flowing stream of a weak solvent, and the sample is injected into this flowing stream such that a portion of the sample is dissolved therein and the remainder of the sample is precipitated therein and collected as a uniform deposit on the glass beads. Successively stronger solvents are then passed through the column to sequentially elute less soluble materials.

Kingsley, Ilse S. (Bethlehem, PA)

1987-01-01T23:59:59.000Z

6

Sequential elution process  

DOE Patents [OSTI]

A process and apparatus are disclosed for the separation of complex mixtures of carbonaceous material by sequential elution with successively stronger solvents. In the process, a column containing glass beads is maintained in a fluidized state by a rapidly flowing stream of a weak solvent, and the sample is injected into this flowing stream such that a portion of the sample is dissolved therein and the remainder of the sample is precipitated therein and collected as a uniform deposit on the glass beads. Successively stronger solvents are then passed through the column to sequentially elute less soluble materials. 1 fig.

Kingsley, I.S.

1987-01-06T23:59:59.000Z

7

DUAL-MODE PROPULSION SYSTEM ENABLING CUBESAT EXPLORATION OF THE SOLAR SYSTEM NASA Innovative Advanced Concepts (NIAC) Phase I Final Report  

SciTech Connect (OSTI)

It is apparent the cost of planetary exploration is rising as mission budgets declining. Currently small scientific beds geared to performing limited tasks are being developed and launched into low earth orbit (LEO) in the form of small-scale satellite units, i.e., CubeSats. These micro- and nano-satellites are gaining popularity among the university and science communities due to their relatively low cost and design flexibility. To date these small units have been limited to performing tasks in LEO utilizing solar-based power. If a reasonable propulsion system could be developed, these CubeSat platforms could perform exploration of various extra-terrestrial bodies within the solar system engaging a broader range of researchers. Additionally, being mindful of mass, smaller cheaper launch vehicles (~1,000 kgs to LEO) can be targeted. This, in effect, allows for beneficial explora-tion to be conducted within limited budgets. Researchers at the Center for Space Nuclear Re-search (CSNR) are proposing a low mass, radioisotope-based, dual-mode propulsion system capable of extending the exploration realm of these CubeSats out of LEO. The proposed radioisotope-based system would leverage the high specific energies [J/kg] associated with radioisotope materials and enhance their inherent low specific powers [W/g]. This is accomplished by accumulating thermal energy from nuclear decay within a central core over time. This allows for significant amounts of power to be transferred to a flowing gas over short periods of time. In the proposed configuration the stored energy can be utilized in two ways: (1) with direct propellant injection to the core, the energy can be converted into thrust through the use of a converging-diverging nozzle and (2) by flowing a working fluid through the core and subsequent Brayton engine, energy within the core can be converted to electrical energy. The first scenario achieves moderate ranges of thrust, but at a higher Isp than traditional chemical-based systems. The second scenario allows for the production of electrical power, which is then available for electric-based propulsion. Additionally, once at location the production of electrical power can be dedicated to the payloadís communication system for data transfer. Ultimately, the proposed dual-mode propulsion platform capitalizes on the benefits of two types of propulsion methods Ė the thrust of thermal propulsion ideal for quick orbital maneuvers and the specific impulse of electric propulsion ideal for efficient inter-planetary travel. Previous versions of this RTR-based concept have been studied for various applications [NETS 1-3]. The current version of this concept is being matured through a NASA Innovative Advanced Concepts (NIAC) Phase I grant, awarded for FY 2014. In this study the RTR concept is being developed to deliver a 6U CubeSat payload to the orbit of the Saturnian moon - Enceladus. Additionally, this study will develop an entire mission architecture for Enceladus targeting a total allowable launch mass of 1,000 kg.

Nathan Jerred; Troy Howe; Adarsh Rajguru; Dr. Steven Howe

2014-06-01T23:59:59.000Z

8

Motif discovery in sequential data  

E-Print Network [OSTI]

In this thesis, I discuss the application and development of methods for the automated discovery of motifs in sequential data. These data include DNA sequences, protein sequences, and real-valued sequential data such as ...

Jensen, Kyle L. (Kyle Lawrence)

2006-01-01T23:59:59.000Z

9

advanced study phase: Topics by E-print Network  

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

behaviour of advanced high strength Dual Phase Steels used in car body panels. A Dual Phase Steel specimen provided by Tata Steel Europe (formerly CORUS Sweta Kadam - Modelling...

10

Metrization in weakly sequential spaces  

E-Print Network [OSTI]

METRIZATION IN WEAXLY SEQUENTIAL SPACES A Thesis by DOMINIQUE MARGARET EMERSON Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement for the degree of MASTER OF SCIENCE May 1975 Ma)or Sub...]ect: Mathematics METRIZATION IN WEAKLY SEQUENTIAL SPACES A Thesis by DOMINIQUE MARGARET EMERSON Approved as to style and content by: (Chairman of Committee) c-0 (Head of Department) ember) (Member) May 1975 ABSTRACT Metrization in Weakly Sequential...

Emerson, Dominique Margaret

1975-01-01T23:59:59.000Z

11

Nonlinear interferometry approach to photonic sequential logic  

E-Print Network [OSTI]

Motivated by rapidly advancing capabilities for extensive nanoscale patterning of optical materials, I propose an approach to implementing photonic sequential logic that exploits circuit-scale phase coherence for efficient realizations of fundamental components such as a NAND-gate-with-fanout and a bistable latch. Kerr-nonlinear optical resonators are utilized in combination with interference effects to drive the binary logic. Quantum-optical input-output models are characterized numerically using design parameters that yield attojoule-scale energy separation between the latch states.

Hideo Mabuchi

2011-08-08T23:59:59.000Z

12

Adaptive sequential controller  

DOE Patents [OSTI]

An adaptive sequential controller (50/50') for controlling a circuit breaker (52) or other switching device to substantially eliminate transients on a distribution line caused by closing and opening the circuit breaker. The device adaptively compensates for changes in the response time of the circuit breaker due to aging and environmental effects. A potential transformer (70) provides a reference signal corresponding to the zero crossing of the voltage waveform, and a phase shift comparator circuit (96) compares the reference signal to the time at which any transient was produced when the circuit breaker closed, producing a signal indicative of the adaptive adjustment that should be made. Similarly, in controlling the opening of the circuit breaker, a current transformer (88) provides a reference signal that is compared against the time at which any transient is detected when the circuit breaker last opened. An adaptive adjustment circuit (102) produces a compensation time that is appropriately modified to account for changes in the circuit breaker response, including the effect of ambient conditions and aging. When next opened or closed, the circuit breaker is activated at an appropriately compensated time, so that it closes when the voltage crosses zero and opens when the current crosses zero, minimizing any transients on the distribution line. Phase angle can be used to control the opening of the circuit breaker relative to the reference signal provided by the potential transformer.

El-Sharkawi, Mohamed A. (Renton, WA); Xing, Jian (Seattle, WA); Butler, Nicholas G. (Newberg, OR); Rodriguez, Alonso (Pasadena, CA)

1994-01-01T23:59:59.000Z

13

Sequentially pulsed traveling wave accelerator  

DOE Patents [OSTI]

A sequentially pulsed traveling wave compact accelerator having two or more pulse forming lines each with a switch for producing a short acceleration pulse along a short length of a beam tube, and a trigger mechanism for sequentially triggering the switches so that a traveling axial electric field is produced along the beam tube in synchronism with an axially traversing pulsed beam of charged particles to serially impart energy to the particle beam.

Caporaso, George J. (Livermore, CA); Nelson, Scott D. (Patterson, CA); Poole, Brian R. (Tracy, CA)

2009-08-18T23:59:59.000Z

14

Sequential Causal Learning in Humans and Rats  

E-Print Network [OSTI]

Figure 2 shows simulations of learning of weight for cue A (a previous simulation of sequential learning based on thesimulations are in good agreement with experimental findings. Keywords: Bayesian inference; model selection; sequential causal learning;

Lu, Hongjing; Rojas, Randall R.; Beckers, Tom; Yuille, Alan

2008-01-01T23:59:59.000Z

15

Sequential Causal Learning in Humans and Rats  

E-Print Network [OSTI]

Figure 2 shows simulations of learning of weight for cue A (a previous simulation of sequential learning based on thesimulations are in good agreement with experimental findings. Keywords: Bayesian inference; model selection; sequential causal learning;

Hongjing Lu; Randall R. Rojas; Tom Beckers; Alan Yuille

2011-01-01T23:59:59.000Z

16

Sequential power-up circuit  

DOE Patents [OSTI]

A sequential power-up circuit for starting several electrical load elements in series to avoid excessive current surge, comprising a voltage ramp generator and a set of voltage comparators, each comparator having a different reference voltage and interfacing with a switch that is capable of turning on one of the load elements. As the voltage rises, it passes the reference voltages one at a time and causes the switch corresponding to that voltage to turn on its load element. The ramp is turned on and off by a single switch or by a logic-level electrical signal. The ramp rate for turning on the load element is relatively slow and the rate for turning the elements off is relatively fast. Optionally, the duration of each interval of time between the turning on of the load elements is programmable. 2 figs.

Kronberg, J.W.

1992-06-02T23:59:59.000Z

17

Our MSc in Advanced Mechanical Engineering is designed to enhance your  

E-Print Network [OSTI]

is to study the deformation and fracture behaviour of advanced high strength Dual Phase Steels used in car body panels. A Dual Phase Steel specimen provided by Tata Steel Europe (formerly CORUS Sweta Kadam ­ Modelling the Deformation and Fracture of Automotive Advanced High Strength Steels "Dual

Li, Yi

18

aperture sequential beamforming: Topics by E-print Network  

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

Sciences Websites Summary: Sequential Consistency for Heterogeneous-Race-Free DEREK R. HOWER, BRADFORD M. BECKMANN, BENEDICT R: Sequential Consistency for Data-Race-Free (SC for...

19

automated sequential injection: Topics by E-print Network  

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

Sciences Websites Summary: Sequential Consistency for Heterogeneous-Race-Free DEREK R. HOWER, BRADFORD M. BECKMANN, BENEDICT R: Sequential Consistency for Data-Race-Free (SC for...

20

accelerating sequential programs: Topics by E-print Network  

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

Sciences Websites Summary: Sequential Consistency for Heterogeneous-Race-Free DEREK R. HOWER, BRADFORD M. BECKMANN, BENEDICT R: Sequential Consistency for Data-Race-Free (SC for...

Note: This page contains sample records for the topic "advanced sequential dual" 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

automated sequential injection-microcolumn: Topics by E-print...  

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

Sciences Websites Summary: Sequential Consistency for Heterogeneous-Race-Free DEREK R. HOWER, BRADFORD M. BECKMANN, BENEDICT R: Sequential Consistency for Data-Race-Free (SC for...

22

assisted sequential extraction: Topics by E-print Network  

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

Sciences Websites Summary: Sequential Consistency for Heterogeneous-Race-Free DEREK R. HOWER, BRADFORD M. BECKMANN, BENEDICT R: Sequential Consistency for Data-Race-Free (SC for...

23

activity involves sequential: Topics by E-print Network  

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

Sciences Websites Summary: Sequential Consistency for Heterogeneous-Race-Free DEREK R. HOWER, BRADFORD M. BECKMANN, BENEDICT R: Sequential Consistency for Data-Race-Free (SC for...

24

assimilation sequential monte: Topics by E-print Network  

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

Sciences Websites Summary: Sequential Consistency for Heterogeneous-Race-Free DEREK R. HOWER, BRADFORD M. BECKMANN, BENEDICT R: Sequential Consistency for Data-Race-Free (SC for...

25

SciTech Connect: Sequential Threat Detection for Harbor Defense...  

Office of Scientific and Technical Information (OSTI)

Sequential Threat Detection for Harbor Defense: An X-ray Physics-Based Bayesian Approach Citation Details In-Document Search Title: Sequential Threat Detection for Harbor Defense:...

26

Lunar descent using sequential engine shutdown  

E-Print Network [OSTI]

The notion of sequential engine shutdown is introduced and its application to lunar descent is motivated. The concept calls for the utilization of multiple fixed thrust engines in place of a single continuously throttleable ...

Springmann, Philip N

2006-01-01T23:59:59.000Z

27

Retiming and Resynthesis with Sweep Are Complete for Sequential Transformation  

E-Print Network [OSTI]

is complete for all sequential transformations (on steady states). It has been shown that the sweep operation and registers. Retiming is a powerful sequential optimization step that can be applied to sequential designsRetiming and Resynthesis with Sweep Are Complete for Sequential Transformation Hai Zhou Department

Zhou, Hai

28

Ensemble forecast of analyses: Coupling data assimilation and sequential aggregation  

E-Print Network [OSTI]

Ensemble forecast of analyses: Coupling data assimilation and sequential aggregation Vivien Mallet1. [1] Sequential aggregation is an ensemble forecasting approach that weights each ensemble member based on past observations and past forecasts. This approach has several limitations: The weights

Mallet, Vivien

29

Sequential Bounding Methods for Two-Stage Stochastic Programs  

E-Print Network [OSTI]

Oct 17, 2014 ... Brian T. Denton. Department of Industrial and Operations Engineering, ... Experiments were conducted to compare a sequential approximation.

2014-10-17T23:59:59.000Z

30

Condensed Representation of Sequential Patterns According to Frequency-Based  

E-Print Network [OSTI]

Condensed Representation of Sequential Patterns According to Frequency-Based Measures Marc Nacre, 14032 Caen Cedex, France Abstract. Condensed representations of patterns are at the core of many, we tackle sequential data and we define an exact condensed representation for sequential patterns ac

Boyer, Edmond

31

Mimicking a turbulent signal: sequential multiaffine processes  

E-Print Network [OSTI]

An efficient method for the construction of a multiaffine process, with prescribed scaling exponents, is presented. At variance with the previous proposals, this method is sequential and therefore it is the natural candidate in numerical computations involving synthetic turbulence. The application to the realization of a realistic turbulent-like signal is discussed in detail. The method represents a first step towards the realization of a realistic spatio-temporal turbulent field.

L. Biferale; G. Boffetta; A. Celani; A. Crisanti; A. Vulpiani

1997-11-03T23:59:59.000Z

32

New designs of reversible sequential devices  

E-Print Network [OSTI]

A clear protocol for synthesis of sequential reversible circuits from any particular gate library has been provided. Using that protocol, reversible circuits for SR latch, D latch, JK latch and T latch are designed from NCT gate library. All the circuits have been optimized with the help of existing local optimization algorithms (e.g. template matching, moving rule and deletion rule). It has been shown that the present proposals have lower gate complexities, lower number of garbage bits, lower quantum cost and lower number of feedback loops compared to the earlier proposals. For a fair comparison, the optimized sequential circuits have been compared with the earlier proposals for the same after converting the earlier proposed circuits into equivalent NCT circuits. Further, we have shown that the advantage in gate count obtained in some of the earlier proposals by introduction of New gates is an artifact and if it is allowed then every reversible circuit block can be reduced to a single gate. In this context, some important conceptual issues related to the designing and optimization of sequential reversible circuits have been addressed. A protocol for minimization of quantum cost of reversible circuit has also been proposed here.

Anindita Banerjee; Anirban Pathak

2009-08-12T23:59:59.000Z

33

Dual Plane Imaging  

E-Print Network [OSTI]

We outline a technique called Dual Plane Imaging which should significantly improve images which would otherwise be blurred due to atmospheric turbulence. The technique involves capturing all the spatial, directional and temporal information about the arriving photons and processing the data afterwards to produce the sharpened images. The technique has particular relevance for imaging at around 400-1000nm on extremely large telescopes (ELTs).

Parry, Ian

2015-01-01T23:59:59.000Z

34

Dual design resistor for high voltage conditioning and transmission lines  

DOE Patents [OSTI]

A dual resistor for eliminating the requirement for two different value resistors. The dual resistor includes a conditioning resistor at a high resistance value and a run resistor at a low resistance value. The run resistor can travel inside the conditioning resistor. The run resistor is capable of being advanced by a drive assembly until an electrical path is completed through the run resistor thereby shorting out the conditioning resistor and allowing the lower resistance run resistor to take over as the current carrier.

Siggins, Timothy Lynn (Newport News, VA); Murray, Charles W. (Hayes, VA); Walker, Richard L. (Norfolk, VA)

2007-01-23T23:59:59.000Z

35

advanced proliferation resistant: Topics by E-print Network  

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

2009-01-01 20 Resistance Spot Welding Characteristic of Ferrite-Martensite DP600 Dual Phase Advanced High Strength Steel-Part III: Mechanical Properties CiteSeer Summary:...

36

advanced recurrent resistant: Topics by E-print Network  

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

F 2000-01-01 66 Resistance Spot Welding Characteristic of Ferrite-Martensite DP600 Dual Phase Advanced High Strength Steel-Part III: Mechanical Properties CiteSeer Summary:...

37

Microstructural Origins of Variability in the Tensile Ductility of Dual Phase Steels Claire Teresi, Clemson University, SURF Fellow  

E-Print Network [OSTI]

Microstructural Origins of Variability in the Tensile Ductility of Dual Phase Steels Claire Teresi Introduction: Dual phase (DP) steels are a class of advanced high strength structural steels that also have automotive applications. Generally composed of two primary phases- martensite and ferrite- these steels have

Li, Mo

38

Sequential Covariance Calculation for Exoplanet Image Processing  

E-Print Network [OSTI]

Direct imaging of exoplanets involves the extraction of very faint signals from highly noisy data sets, with noise that often exhibits significant spatial, spectral and temporal correlations. As a results, a large number of post-processing algorithms have been developed in order to optimally decorrelate the signal from the noise. In this paper, we explore four such closely related algorithms, all of which depend heavily on the calculation of covariances between large data sets of imaging data. We discuss the similarities and differences between these methods, and demonstrate how the use sequential calculation techniques can significantly improve their computational efficiencies.

Savransky, Dmitry

2015-01-01T23:59:59.000Z

39

Sequential cooling insert for turbine stator vane  

DOE Patents [OSTI]

A sequential impingement cooling insert for a turbine stator vane that forms a double impingement for the pressure and suction sides of the vane or a triple impingement. The insert is formed from a sheet metal formed in a zigzag shape that forms a series of alternating impingement cooling channels with return air channels, where pressure side and suction side impingement cooling plates are secured over the zigzag shaped main piece. Another embodiment includes the insert formed from one or two blocks of material in which the impingement channels and return air channels are machined into each block.

Jones, Russel B; Krueger, Judson J; Plank, William L

2014-11-04T23:59:59.000Z

40

Sequential cooling insert for turbine stator vane  

DOE Patents [OSTI]

A sequential impingement cooling insert for a turbine stator vane that forms a double impingement for the pressure and suction sides of the vane or a triple impingement. The insert is formed from a sheet metal formed in a zigzag shape that forms a series of alternating impingement cooling channels with return air channels, where pressure side and suction side impingement cooling plates are secured over the zigzag shaped main piece. Another embodiment includes the insert formed from one or two blocks of material in which the impingement channels and return air channels are machined into each block.

Jones, Russell B; Krueger, Judson J; Plank, William L

2014-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "advanced sequential dual" 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

On the Synthesis of Sequential Reversible Circuit  

E-Print Network [OSTI]

Reversible circuits for SR flip flop, JK flip flop, D flip flop, T flip flop, Master Slave D flip flop and Master Slave JK flip flop have been provided with three different logical approaches. All the circuits have been optimized with the help of existing local optimization algorithms (e.g. template matching, moving rule and deletion rule) and the optimized sequential circuits have been compared with the earlier proposals for the same. It has been shown that the present proposals have lower gate complexities and lower number of garbage bits compared to the earlier proposals. It has also been shown that the advantage in gate count obtained in some of the earlier proposals by introduction of New gates is an \\textcolor{black}{artifact} and if it is allowed then every circuit block (unless there is a measurement) can be reduced to a single gate. Further, it is shown that a reversible flip flop can be constructed even without a feedback. In this context, some important conceptual issues related to the designing and optimization of sequential reversible circuits have also been addressed.

Anindita Banerjee; Anirban Pathak

2007-07-28T23:59:59.000Z

42

Optimizing Sequential Cycles through Shannon Decomposition and Retiming  

E-Print Network [OSTI]

sequential cycles. Designers usually attack such cycles by manually combining Shannonde- composition the number of registers on a sequential cycle--a loop that passes through combinational logic and one or more the combinational delay around the cycle to the delay of only the mux: dmux. This transformation makes it possible

Tardieu, Olivier

43

Modeling Carrier Behavior in Sequential Auction Transportation Markets  

E-Print Network [OSTI]

Modeling Carrier Behavior in Sequential Auction Transportation Markets M. A. Figliozzi, University ______________________________________________________________________________ August 10-15, 2003 2 Title: Modeling Carrier Behavior in Sequential Auction Transportation Markets Miguel Phone: 301-405-0752 Fax: 301-405-2585 eMail: masmah@umd.edu Abstract Online markets for transportation

Bertini, Robert L.

44

Sequential Detection based Cooperative Spectrum Sensing Algorithms in Cognitive Radio  

E-Print Network [OSTI]

Sequential Detection based Cooperative Spectrum Sensing Algorithms in Cognitive Radio Arun considers the problem of Spectrum Sensing in Cognitive Radio Networks. For this we use a recently developed is not experienced by our algorithm. Keywords-Cognitive Radio, Cooperative Spectrum Sensing, Decentralized Sequential

Sharma, Vinod

45

NDetermin: Inferring Nondeterministic Sequential Specifications for Parallelism Correctness  

E-Print Network [OSTI]

NDetermin: Inferring Nondeterministic Sequential Specifications for Parallelism Correctness Jacob and that copies bear this notice and the full citation on the first page. To copy otherwise, to republish, to post;NDetermin: Inferring Nondeterministic Sequential Specifications for Parallelism Correctness Jacob Burnim

Necula, George

46

State diagrams of linear sequential machines  

E-Print Network [OSTI]

, the final states of I (1) form a group, U I:(r). Similarly, the final states of I (r, s ) form a sllbgroup, U ' 0 F(r, s ) of F(r). Note that if there exists a different coset, F(r, s ), for every U w (r-1)w unit period input, that is p cosets, if each... coset has p states, and if F(r)=S then r must be n/w. In general, such a distribution of states will not exist in a linear sequential machine. It is therefore convenient to choose r having the property 2&r&n/w&r+I and tllen form the cosets in F(r...

English, Linda Sue

1977-01-01T23:59:59.000Z

47

Sequentially Triggered Star Formation in OB Associations  

E-Print Network [OSTI]

We discuss observational evidence for sequential and triggered star formation in OB associations. We first review the star formation process in the Scorpius-Centaurus OB association, the nearest OB association to the Sun, where several recent extensive studies have allowed us to reconstruct the star formation history in a rather detailed way. We then compare the observational results with those obtained for other OB associations and with recent models of rapid cloud and star formation in the turbulent interstellar medium. We conclude that the formation of whole OB subgroups (each consisting of several thousand stars) requires large-scale triggering mechanisms such as shocks from expanding wind and supernova driven superbubbles surrounding older subgroups. Other triggering mechanisms, like radiatively driven implosion of globules, also operate, but seem to be secondary processes, forming only small stellar groups rather than whole OB subgroups with thousands of stars.

Thomas Preibisch; Hans Zinnecker

2006-10-27T23:59:59.000Z

48

Dual surface interferometer  

DOE Patents [OSTI]

A double-pass interferometer is provided which allows direct measurement of relative displacement between opposed surfaces. A conventional plane mirror interferometer may be modified by replacing the beam-measuring path cube-corner reflector with an additional quarterwave plate. The beam path is altered to extend to an opposed plane mirrored surface and the reflected beam is placed in interference with a retained reference beam split from dual-beam source and retroreflected by a reference cube-corner reflector mounted stationary with the interferometer housing. This permits direct measurement of opposed mirror surfaces by laser interferometry while doubling the resolution as with a conventional double-pass plane mirror laser interferometer system.

Pardue, R.M.; Williams, R.R.

1980-09-12T23:59:59.000Z

49

Dual Tank Fuel System  

DOE Patents [OSTI]

A dual tank fuel system has primary and secondary fuel tanks, with the primary tank including a filler pipe to receive fuel and a discharge line to deliver fuel to an engine, and with a balance pipe interconnecting the primary tank and the secondary tank. The balance pipe opens close to the bottom of each tank to direct fuel from the primary tank to the secondary tank as the primary tank is filled, and to direct fuel from the secondary tank to the primary tank as fuel is discharged from the primary tank through the discharge line. A vent line has branches connected to each tank to direct fuel vapor from the tanks as the tanks are filled, and to admit air to the tanks as fuel is delivered to the engine.

Wagner, Richard William (Albion, NY); Burkhard, James Frank (Churchville, NY); Dauer, Kenneth John (Avon, NY)

1999-11-16T23:59:59.000Z

50

Iterative Self-Dual Reconstruction on Radar Image Recovery  

SciTech Connect (OSTI)

Imaging systems as ultrasound, sonar, laser and synthetic aperture radar (SAR) are subjected to speckle noise during image acquisition. Before analyzing these images, it is often necessary to remove the speckle noise using filters. We combine properties of two mathematical morphology filters with speckle statistics to propose a signal-dependent noise filter to multiplicative noise. We describe a multiscale scheme that preserves sharp edges while it smooths homogeneous areas, by combining local statistics with two mathematical morphology filters: the alternating sequential and the self-dual reconstruction algorithms. The experimental results show that the proposed approach is less sensitive to varying window sizes when applied to simulated and real SAR images in comparison with standard filters.

Martins, Charles; Medeiros, Fatima; Ushizima, Daniela; Bezerra, Francisco; Marques, Regis; Mascarenhas, Nelson

2010-05-21T23:59:59.000Z

51

automated sequential tilt-series: Topics by E-print Network  

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

Sciences Websites Summary: Sequential Consistency for Heterogeneous-Race-Free DEREK R. HOWER, BRADFORD M. BECKMANN, BENEDICT R: Sequential Consistency for Data-Race-Free (SC for...

52

Dual Rater Competency Assessment FAQ  

Broader source: Energy.gov [DOE]

The purpose of the dual rater competency assessment is to provide a clearer picture of the individualís developmental needs by combining self-assessment and supervisory input. Together, these two...

53

Beam geometry selection using sequential beam addition  

SciTech Connect (OSTI)

Purpose: The selection of optimal beam geometry has been of interest since the inception of conformal radiotherapy. The authors report on sequential beam addition, a simple beam geometry selection method, for intensity modulated radiation therapy. Methods: The sequential beam addition algorithm (SBA) requires definition of an objective function (score) and a set of candidate beam geometries (pool). In the first iteration, the optimal score is determined for each beam in the pool and the beam with the best score selected. In the next iteration, the optimal score is calculated for each beam remaining in the pool combined with the beam selected in the first iteration, and the best scoring beam is selected. The process is repeated until the desired number of beams is reached. The authors selected three treatment sites, breast, lung, and brain, and determined beam arrangements for up to 11 beams from a pool comprised of 25 equiangular transverse beams. For the brain, arrangements were additionally selected from a pool of 22 noncoplanar beams. Scores were determined for geometries comprised equiangular transverse beams (EQA), as well as two tangential beams for the breast case. Results: In all cases, SBA resulted in scores superior to EQA. The breast case had the strongest dependence on beam geometry, for which only the 7-beam EQA geometry had a score better than the two tangential beams, whereas all SBA geometries with more than two beams were superior. In the lung case, EQA and SBA scores monotonically improved with increasing number of beams; however, SBA required fewer beams to achieve scores equivalent to EQA. For the brain case, SBA with a coplanar pool was equivalent to EQA, while the noncoplanar pool resulted in slightly better scores; however, the dose-volume histograms demonstrated that the differences were not clinically significant. Conclusions: For situations in which beam geometry has a significant effect on the objective function, SBA can identify arrangements equivalent to equiangular geometries but using fewer beams. Furthermore, SBA provides the value of the objective function as the number of beams is increased, allowing the planner to select the minimal beam number that achieves the clinical goals. The method is simple to implement and could readily be incorporated into an existing optimization system.

Popple, Richard A., E-mail: rpopple@uabmc.edu; Brezovich, Ivan A.; Fiveash, John B. [Department of Radiation Oncology, The University of Alabama at Birmingham, 1720 2nd Avenue South, Birmingham, Alabama 35294 (United States)] [Department of Radiation Oncology, The University of Alabama at Birmingham, 1720 2nd Avenue South, Birmingham, Alabama 35294 (United States)

2014-05-15T23:59:59.000Z

54

FUTURE POWER GRID INITIATIVE GridPACK: Grid Parallel Advanced  

E-Print Network [OSTI]

FUTURE POWER GRID INITIATIVE GridPACK: Grid Parallel Advanced Computational Kernels OBJECTIVE The U of the power grid will also have to evolve to insure accurate and timely simulations. On the other hand, the software tools available for power grid simulation today are primarily sequential single core programs

55

Sequential investment planning for complex oil development projects  

E-Print Network [OSTI]

In this thesis, we consider sequential real investment decisions for the development of discovered oil prospects. Following a decision analysis approach, we propose a methodology to explore the upside of a dynamic drilling ...

Ayd?n, Cevat Onur

2008-01-01T23:59:59.000Z

56

ORIGINAL ARTICLE Effects of sequential osteoporosis treatments on trabecular bone  

E-Print Network [OSTI]

ORIGINAL ARTICLE Effects of sequential osteoporosis treatments on trabecular bone in adult rats /Accepted: 3 September 2013 /Published online: 11 April 2014 # International Osteoporosis Foundation and National Osteoporosis Foundation 2014 Abstract Summary We used an osteopenic adult ovariectomized (OVX) rat

Ritchie, Robert

57

Applications of algebra to the structure theory of sequential machines  

E-Print Network [OSTI]

APPLICATIONS OF ALGEBRA TO THE STRUCTURE THEORY OP SEQUENTIAL MACHINES A Thesis by OSCAR GUNNAR BARRIENTOS ENRIQUEZ Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement for the degree of MASTER... OF SCIENCE May 1975 Major Subject: Mathematics APPLICATIONS OF ALGEBRA TO THE STRUCTURE THEORY OF SEQUENTIAL MACHINES A Thesis by OSCAR GUNNAR BARRIENTOS ENRIQUEZ Approved as to style and content by: (Chairman o Committee) (Head of Department...

Barrientos Enriquez, Oscar Gunnar

1975-01-01T23:59:59.000Z

58

Dual gravity and E11  

E-Print Network [OSTI]

We consider the equation of motion in the gravity sector that arises from the non-linear realisation of the semi-direct product of E11 and its first fundamental representation, denoted by l1, in four dimensions. This equation is first order in derivatives and at low levels relates the usual field of gravity to a dual gravity field. When the generalised space-time is restricted to be the usual four dimensional space-time we show that this equation does correctly describe Einstein's theory at the linearised level. We also comment on previous discussions of dual gravity.

Peter West

2014-11-04T23:59:59.000Z

59

Dual porosity gas evolving electrode  

DOE Patents [OSTI]

A dual porosity electrode is described for use in thermoelectrochemical systems where simultaneous transport of gas and liquid into and/or out of the electrode is required. The electrode includes catalytic electrode particles having diameters ranging from about 25 to 100 angstroms. The catalytic electrode particles are anchored to a support network in clusters which have internal pores ranging in size from 25 to 100 angstroms. The pores between the clusters range in size from between about 1 to 20 microns. A method for making the dual porosity electrodes is also disclosed.

Townsend, C.W.

1994-11-15T23:59:59.000Z

60

E-Print Network 3.0 - advanced computed tomography Sample Search...  

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

advanced computed tomography Page: << < 1 2 3 4 5 > >> 1 CAT scan and RadonX-ray transform Relations with the Fourier transform. Dual Radon Summary: problems X-ray tomography...

Note: This page contains sample records for the topic "advanced sequential dual" 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

DUAL-OUTPUT HOLA FIRMWARE AND TESTS  

E-Print Network [OSTI]

another channel (thus, "dual-output" HOLA) ∑ Another LDC+ROMB block was added to receive data from side S32PCI64 "SOLAR" mezzanine card: Provides access to S-LINK via PCI bus The first prototype of dual-outputDUAL-OUTPUT HOLA FIRMWARE AND TESTS Anton Kapliy Mel Shochet Fukun Tang Daping Weng #12;Summary

62

Advanced thermochemical hydrogen cycles  

SciTech Connect (OSTI)

The overall objective of this program is to contribute to the development of practical thermochemical cycles for the production of hydrogen from water. Specific goals are: investigate and evaluate the technical and economic viability of thermochemical cycles as an advanced technology for producing hydrogen from water; investigate and evaluate the engineering principles involved in interfacing individual thermochemical cycles with the different thermal energy sources (high temperature fission, solar, and fusion); and conduct a continuing research and development effort to evaluate the use of solid sulfates, oxides and other compounds as potentially advanced cycles and as alternates to H/sub 2/SO/sub 4/ based cycles. Basic thermochemistry studies have been completed for two different steps in the decomposition of bismuth sulfate. Two different bismuth sulfate cycles have been defined for different sulfuric acid strengths. The eventual best cycle will depend on energy required to form sulfuric acid at different concentrations. A solids decomposition facility has been constructed and practical studies of solid decompositions are being conducted. The facility includes a rotary kiln system and a dual-particle fluidized bed system. Evaluation of different types of cycles for coupling with different heat sources is continuing.

Hollabaugh, C.M.; Bowman, M.G.

1981-01-01T23:59:59.000Z

63

Ancilla-assisted sequential approximation of nonlocal unitary operations  

SciTech Connect (OSTI)

We consider the recently proposed (no-go) theorem of Lamata et al.[Phys. Rev. Lett. 101, 180506 (2008)] on the impossibility of sequential implementation of global unitary operations with the aid of an itinerant ancillary system and view the claim within the language of Kraus representation. By virtue of an extremely useful tool for analyzing entanglement properties of quantum operations, namely, operator-Schmidt decomposition, we provide alternative proof to the no-go theorem and also study the role of initial correlations between the qubits and ancilla in sequential preparation of unitary entanglers. Despite the negative response from the no-go theorem, we demonstrate explicitly how the matrix-product operator (MPO) formalism provides a flexible structure to develop protocols for sequential implementation of such entanglers with an optimal fidelity. The proposed numerical technique, which we call variational matrix-product operator (VMPO), offers a computationally efficient tool for characterizing the ''globalness'' and entangling capabilities of nonlocal unitary operations.

Saberi, Hamed [Institute for Theoretical Physics, University of Regensburg, D-93040 Regensburg (Germany); Physics Department, Arnold Sommerfeld Center for Theoretical Physics, and Center for NanoScience, Ludwig-Maximilians-Universitaet, Theresienstrasse 37, D-80333 Munich (Germany); Department of Physics, Shahid Beheshti University, General Campus, Evin, Tehran 19839 (Iran, Islamic Republic of)

2011-09-15T23:59:59.000Z

64

A Bayesian sequential processor approach to spectroscopic portal system decisions  

SciTech Connect (OSTI)

The development of faster more reliable techniques to detect radioactive contraband in a portal type scenario is an extremely important problem especially in this era of constant terrorist threats. Towards this goal the development of a model-based, Bayesian sequential data processor for the detection problem is discussed. In the sequential processor each datum (detector energy deposit and pulse arrival time) is used to update the posterior probability distribution over the space of model parameters. The nature of the sequential processor approach is that a detection is produced as soon as it is statistically justified by the data rather than waiting for a fixed counting interval before any analysis is performed. In this paper the Bayesian model-based approach, physics and signal processing models and decision functions are discussed along with the first results of our research.

Sale, K; Candy, J; Breitfeller, E; Guidry, B; Manatt, D; Gosnell, T; Chambers, D

2007-07-31T23:59:59.000Z

65

Can Sequentially Linked Gamma-Ray Bursts Nullify Randomness?  

E-Print Network [OSTI]

In order to nullify the property of randomness perceived in the dispersion of gamma-ray bursts (GRB's) we introduce two new procedures. 1. Create a segmented group of sequentially linked GRB's and quantify the resultant angles. 2. Create segmented groups of sequentially linked GRB's in order to identify the location of GRB's that are positioned at equidistance, by using the selected GRB as the origin for a paired point circle, where the circumference of said circle intercepts the location of other GRB's in the same group.

Charles Fleischer

2012-05-02T23:59:59.000Z

66

Sequential Ordinal Modeling with Applications to Survival Data  

E-Print Network [OSTI]

State University, Bowling Green, USA Siddhartha Chib Washington University, St. Louis, USA May 1998, Bowling Green State University, Bowling Green, OH 43403, USA. Email addresses: albert@bayes.bgsu.edu; chibSequential Ordinal Modeling with Applications to Survival Data James Albert \\Lambda Bowling Green

Albert, James H.

67

ID3, SEQUENTIAL BAYES, NAIVE BAYES AND BAYESIAN NEURAL NETWORKS  

E-Print Network [OSTI]

to ID3. ID3 learning algorithm (Quinlan 1979) and its successors ACLS (Paterson & Niblett 1982), C4#cient in many learning tasks. It is shown how Sequential Bayes can be transformed into ID3 by replacing of network's execution (Kononenko 1989) enables the us­ age of a neural network as an expert system shell

Kononenko, Igor

68

Sequential Bandwidth and Power Auctions for Spectrum Sharing  

E-Print Network [OSTI]

user's power). Although the worst-case efficiency loss can be significant, numerical results1 Sequential Bandwidth and Power Auctions for Spectrum Sharing Junjik Bae, Eyal Beigman, Randall resource (bandwidth or power) among compet- ing transmitters. The resource is assumed to be managed

Kuzmanovic, Aleksandar

69

Allowing Atomic Objects to Coexist with Sequentially Consistent Objects  

E-Print Network [OSTI]

) sequential consistency orders all write operations, while causal consistency does not require to order the operations on all the concurrent objects be totally ordered in such a way that each read operation obtains the last value written into the corresponding object. They differ in the meaning of the word "last

Roy, Matthieu

70

Constraints of mixing matrix elements in the sequential fourthgeneration model  

E-Print Network [OSTI]

We review our works on the sequential fourth generation model and focus on the constriants of $4\\times 4$ quark mixing matrix elements. We investigate the quark mixing matrix elements from the rare $K,B$ meson decays. We talk about the $ hierarchy$ of the $4\\times 4$ matrix and the existence of fourth generation.

W. J. Huo

2002-03-23T23:59:59.000Z

71

Sequential Methods in Solving Economic Power Flow Problems  

E-Print Network [OSTI]

Sequential Methods in Solving Economic Power Flow Problems William D. Rosehart Claudio A. Ca and an interior point quadratic programmingalgorithm that are used to solve the opti- mal power ow problem be e ectively solved by approaching the optimal solution through the feasible region. Interior point

CaŮizares, Claudio A.

72

Censored Truncated Sequential Spectrum Sensing for Cognitive Radio Networks  

E-Print Network [OSTI]

1 Censored Truncated Sequential Spectrum Sensing for Cognitive Radio Networks Sina Maleki Geert Leus Abstract Reliable spectrum sensing is a key functionality of a cognitive radio network. Cooperative spectrum sensing improves the detection reliability of a cognitive radio system but also increases

Leus, Geert

73

Fast Mining of Sequential Patterns in Very Large Databases  

E-Print Network [OSTI]

: Knowledge Discovery, Data Mining, Sequential Patterns, Sequence Discovery, Temporal Association Rules growth of data has spurred the growth of the new field called Data Mining and Knowledge Discovery mining refers to the core model/pattern discovery step. The other steps include data selection, cleaning

Zaki, Mohammed Javeed

74

A Case Study in Sequential Pattern Mining for ITOperational Risk  

E-Print Network [OSTI]

A Case Study in Sequential Pattern Mining for IT­Operational Risk Valerio Grossi, Andrea Romei of a network of Private Branch eXchanges (PBXs). The approach relies on preprocessing and data mining tasks. In this paper, we concentrate on the high frequency low impact class of risk by reporting a case study in IT­operational

Ruggieri, Salvatore

75

Sequential Infiltration Synthesis Advances Lithography (IN-10-017, 10-106)  

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 Administrationcontroller systemsBi (2) SrEvaluatingconstruction is13, 2013| OSTI, US Dept5,Special-

76

Analysis of Particle Size and Interface Effects on the Strength and Ductility of Advanced High Strength Steels  

E-Print Network [OSTI]

This thesis is devoted to the numerical investigation of mechanical behavior of Dual phase (DP) steels. Such grade of advanced high strength steels (AHSS) is favorable to the automotive industry due the unique properties such as high strength...

Ettehad, Mahmood

2013-03-14T23:59:59.000Z

77

Dual Axis Radiographic Hydrodynamic Test Facility | National...  

National Nuclear Security Administration (NNSA)

Dual Axis Radiographic Hydrodynamic Test Facility | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission Managing the Stockpile Preventing...

78

Conjugate gradient method for dual-dual mixed formulations Gabriel N. Gatica y Norbert Heuer z  

E-Print Network [OSTI]

Conjugate gradient method for dual-dual mixed formulations #3; Gabriel N. Gatica y Norbert Heuer z, the conjugate gradient method with this special inner product can be used as iterative solver. For a model-dual variational formulation, conjugate gradient method. Mathematics subject classi#12;cations (1991). 65N30, 65N22

Heuer, Norbert

79

An Innovative Strategy for Dual Inhibitor Design and Its Application in Dual Inhibition of Human Thymidylate  

E-Print Network [OSTI]

An Innovative Strategy for Dual Inhibitor Design and Its Application in Dual Inhibition of Human (SSAC), Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Research Institute to other dual target drug designs. Citation: Arooj M, Sakkiah S, Cao Gp, Lee KW (2013) An Innovative

Lee, Keun Woo

80

MICROSTRUCTURE AND PROPERTIES OF DUAL PHASE STEELS CONTAINING FINE PRECIPITATES  

E-Print Network [OSTI]

and Properties of Dual-Phase Steels, R. A. Kot and J. W.of Niobium Microalloyed Dual- Phase Steel, MetallurgicalAND PROPERTIES OF DUAL PHASE STEELS CONTAINING FINE

Gau, J.S.

2014-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "advanced sequential dual" 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

Advanced Combustion  

SciTech Connect (OSTI)

The activity reported in this presentation is to provide the mechanical and physical property information needed to allow rational design, development and/or choice of alloys, manufacturing approaches, and environmental exposure and component life models to enable oxy-fuel combustion boilers to operate at Ultra-Supercritical (up to 650{degrees}C & between 22-30 MPa) and/or Advanced Ultra-Supercritical conditions (760{degrees}C & 35 MPa).

Holcomb, Gordon R. [NETL

2013-03-11T23:59:59.000Z

82

A Simple Sequential Spectrum Sensing Scheme for Cognitive Radio  

E-Print Network [OSTI]

Cognitive radio that supports a secondary and opportunistic access to licensed spectrum shows great potential to dramatically improve spectrum utilization. Spectrum sensing performed by secondary users to detect unoccupied spectrum bands, is a key enabling technique for cognitive radio. This paper proposes a truncated sequential spectrum sensing scheme, namely the sequential shifted chi-square test (SSCT). The SSCT has a simple test statistic and does not rely on any deterministic knowledge about primary signals. As figures of merit, the exact false-alarm probability is derived, and the miss-detection probability as well as the average sample number (ASN) are evaluated by using a numerical integration algorithm. Corroborating numerical examples show that, in comparison with fixed-sample size detection schemes such as energy detection, the SSCT delivers considerable reduction on the ASN while maintaining a comparable detection performance.

Xin, Yan

2009-01-01T23:59:59.000Z

83

Sequential circuit design for radiation hardened multiple voltage integrated circuits  

DOE Patents [OSTI]

The present invention includes a radiation hardened sequential circuit, such as a bistable circuit, flip-flop or other suitable design that presents substantial immunity to ionizing radiation while simultaneously maintaining a low operating voltage. In one embodiment, the circuit includes a plurality of logic elements that operate on relatively low voltage, and a master and slave latches each having storage elements that operate on a relatively high voltage.

Clark, Lawrence T. (Phoenix, AZ); McIver, III, John K. (Albuquerque, NM)

2009-11-24T23:59:59.000Z

84

Domestic Audiences, Policy Feedback, and Sequential Decisions During Military Interventions  

E-Print Network [OSTI]

Interventions. (December 2009) Douglas Walter Kuberski, B.A., University of Nebraska, M.A., University of Akron Chair of Advisory Committee: Dr. Nehemia Geva The literature on escalation situations and audience costs suggests that democratic executives... approach and present a model of sequential decision-making that explains the conditions under which leaders escalate and de-escalate commitment in response to feedback. I attempt to break down the audience cost mechanism to explain why democratic...

Kuberski, Douglas Walter

2011-02-22T23:59:59.000Z

85

Friction Coefficient for Quarks in Supergravity Duals  

E-Print Network [OSTI]

We study quarks moving in strongly-coupled plasmas that have supergravity duals. We compute the friction coefficient of strings dual to such quarks for general static supergravity backgrounds near the horizon. Our results also show that a previous conjecture on the bound has to be modified and higher friction coefficients can be achieved.

E. Antonyan

2006-11-22T23:59:59.000Z

86

Texas Dual Language Program Cost Analysis  

E-Print Network [OSTI]

.......................................................................................................... 4 Texas Dual Language Program Cost Analysis............................................................... 8 Literature Review ............................................................................................................. 8 English... inclusivity, dual language (DL) programs (sometimes referred to as two-way immersion) have seen a rapid increase in Texas and the nation, however, an extensive review of literature indicated that no national or state-wide studies have addressed the issue...

Lara-Alecio, Rafael; Galloway, Martha; Mahadevan, Lakshmi; Mason, Ben; Irby, Beverly J.; Brown, Genevieve; Gůmez, Leo

2010-09-29T23:59:59.000Z

87

Dual spatial maps of transcript and protein abundance in the...  

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

Dual spatial maps of transcript and protein abundance in the mouse brain. Dual spatial maps of transcript and protein abundance in the mouse brain. Abstract: Integrating...

88

Low and high Temperature Dual Thermoelectric Generation Waste...  

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

Low and high Temperature Dual Thermoelectric Generation Waste Heat Recovery System for Light-Duty Vehicles Low and high Temperature Dual Thermoelectric Generation Waste Heat...

89

Lean NOx Reduction with Dual Layer LNT/SCR Catalysts  

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

PGM & minimize fuel penalty in meeting NOx emission targets (adapted from Gandhi et al., US Patent, 2007) 3 Fundamental Issues for Dual Layer LNT - SCR proximity: Dual...

90

Characterization of Dual-Fuel Reactivity Controlled Compression...  

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

Dual-Fuel Reactivity Controlled Compression Ignition (RCCI) Using Hydrated Ethanol and Diesel Fuel Characterization of Dual-Fuel Reactivity Controlled Compression Ignition (RCCI)...

91

Project Profile: Sensible Heat, Direct, Dual-Media Thermal Energy...  

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

Sensible Heat, Direct, Dual-Media Thermal Energy Storage Module Project Profile: Sensible Heat, Direct, Dual-Media Thermal Energy Storage Module Acciona logo Acciona Solar, under...

92

Sensitive Immunosensor for Cancer Biomarker Based on Dual Signal...  

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

Immunosensor for Cancer Biomarker Based on Dual Signal Amplification Strategy of Graphene Sheets and Multi-Enzyme Sensitive Immunosensor for Cancer Biomarker Based on Dual Signal...

93

POLICY GUIDANCE MEMORANDUM #11A Approval Process for Dual Compensation...  

Office of Environmental Management (EM)

1A Approval Process for Dual Compensation Waivers for Reemployed Annuitants POLICY GUIDANCE MEMORANDUM 11A Approval Process for Dual Compensation Waivers for Reemployed Annuitants...

94

Advanced Combustion  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the Building TechnologiesS1!4T opAddress:AdolphusAdvanced Energy

95

Advanced Vehicle Testing & Evaluation  

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

Provide benchmark data for advanced technology vehicles Develop lifecycle cost data for production vehicles utilizing advanced power trains Provide fleet...

96

Dual manifold heat pipe evaporator  

DOE Patents [OSTI]

An improved evaporator section for a dual manifold heat pipe. Both the upper and lower manifolds can have surfaces exposed to the heat source which evaporate the working fluid. The tubes in the tube bank between the manifolds have openings in their lower extensions into the lower manifold to provide for the transport of evaporated working fluid from the lower manifold into the tubes and from there on into the upper manifold and on to the condenser portion of the heat pipe. A wick structure lining the inner walls of the evaporator tubes extends into both the upper and lower manifolds. At least some of the tubes also have overflow tubes contained within them to carry condensed working fluid from the upper manifold to pass to the lower without spilling down the inside walls of the tubes.

Adkins, Douglas R. (Albuquerque, NM); Rawlinson, K. Scott (Albuquerque, NM)

1994-01-01T23:59:59.000Z

97

Dual manifold heat pipe evaporator  

DOE Patents [OSTI]

An improved evaporator section is described for a dual manifold heat pipe. Both the upper and lower manifolds can have surfaces exposed to the heat source which evaporate the working fluid. The tubes in the tube bank between the manifolds have openings in their lower extensions into the lower manifold to provide for the transport of evaporated working fluid from the lower manifold into the tubes and from there on into the upper manifold and on to the condenser portion of the heat pipe. A wick structure lining the inner walls of the evaporator tubes extends into both the upper and lower manifolds. At least some of the tubes also have overflow tubes contained within them to carry condensed working fluid from the upper manifold to pass to the lower without spilling down the inside walls of the tubes. 1 figure.

Adkins, D.R.; Rawlinson, K.S.

1994-01-04T23:59:59.000Z

98

Advanced LIGO  

E-Print Network [OSTI]

The Advanced LIGO gravitational wave detectors are second generation instruments designed and built for the two LIGO observatories in Hanford, WA and Livingston, LA. The two instruments are identical in design, and are specialized versions of a Michelson interferometer with 4 km long arms. As in initial LIGO, Fabry-Perot cavities are used in the arms to increase the interaction time with a gravitational wave, and power recycling is used to increase the effective laser power. Signal recycling has been added in Advanced LIGO to improve the frequency response. In the most sensitive frequency region around 100 Hz, the design strain sensitivity is a factor of 10 better than initial LIGO. In addition, the low frequency end of the sensitivity band is moved from 40 Hz down to 10 Hz. All interferometer components have been replaced with improved technologies to achieve this sensitivity gain. Much better seismic isolation and test mass suspensions are responsible for the gains at lower frequencies. Higher laser power, larger test masses and improved mirror coatings lead to the improved sensitivity at mid- and high- frequencies. Data collecting runs with these new instruments are planned to begin in mid-2015.

The LIGO Scientific Collaboration

2014-11-17T23:59:59.000Z

99

Cyclic Combustion Variations in Dual Fuel Partially Premixed Pilot-Ignited Natural Gas Engines  

SciTech Connect (OSTI)

Dual fuel pilot ignited natural gas engines are identified as an efficient and viable alternative to conventional diesel engines. This paper examines cyclic combustion fluctuations in conventional dual fuel and in dual fuel partially premixed low temperature combustion (LTC). Conventional dual fueling with 95% (energy basis) natural gas (NG) substitution reduces NOx emissions by almost 90%t relative to straight diesel operation; however, this is accompanied by 98% increase in HC emissions, 10 percentage points reduction in fuel conversion efficiency (FCE) and 12 percentage points increase in COVimep. Dual fuel LTC is achieved by injection of a small amount of diesel fuel (2-3 percent on an energy basis) to ignite a premixed natural gas√?¬?√?¬?√?¬?√?¬Ę√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?air mixture to attain very low NOx emissions (less than 0.2 g/kWh). Cyclic variations in both combustion modes were analyzed by observing the cyclic fluctuations in start of combustion (SOC), peak cylinder pressures (Pmax), combustion phasing (Ca50), and the separation between the diesel injection event and Ca50 (termed √?¬?√?¬?√?¬?√?¬Ę√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?relative combustion phasing√?¬?√?¬?√?¬?√?¬Ę√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬Ě). For conventional dual fueling, as % NG increases, Pmax decreases, SOC and Ca50 are delayed, and cyclic variations increase. For dual fuel LTC, as diesel injection timing is advanced from 20√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬į to 60√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬įBTDC, the relative combustion phasing is identified as an important combustion parameter along with SoC, Pmax, and CaPmax. For both combustion modes, cyclic variations were characterized by alternating slow and fast burn cycles, especially at high %NG and advanced injection timings. Finally, heat release return maps were analyzed to demonstrate thermal management strategies as an effective tool to mitigate cyclic combustion variations, especially in dual fuel LTC.

Srinivasan, K. K.; Krishnan, S. R.

2012-05-09T23:59:59.000Z

100

Dual processor vax* 11/780  

SciTech Connect (OSTI)

The design of a dual processor Vax 11/780 built at the Purdue University Electrical Engineering School is described. A standard single processor Vax 11/780 was converted into a dual processor system. A detailed description of hardware modifications performed and a parts list are included. The dual processor Vax is currently running a modified version of the UNIX** (fourth Berkeley distribution) operating system. Because of licensing restrictions, operating system modifications are only covered in general. Finally some performance evaluation is discussed, along with the problems encountered.

Goble, G.H.; Marsh, M.H.

1982-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "advanced sequential dual" 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

Sequential tasks performed by catalytic pumps for colloidal crystallization  

E-Print Network [OSTI]

Gold-platinum catalytic pumps immersed in a chemical fuel are used to manipulate silica colloids. The manipulation relies on the electric field and the fluid flow generated by the pump. Catalytic pumps perform various tasks, such as the repulsion of colloids, the attraction of colloids, and the guided crystallization of colloids. We demonstrate that catalytic pumps can execute these tasks sequentially over time. Switching from one task to the next is related to the local change of the proton concentration, which modifies the colloid zeta potential and consequently the electric force acting on the colloids.

Ali Afshar Farniya; Maria J. Esplandiu; Adrian Bachtold

2014-10-20T23:59:59.000Z

102

New Description of Self-Dual Metrics  

E-Print Network [OSTI]

We show that Pleba\\'nski's equation for self-dual metrics is equivalent to a pair of equations describing canonical transformations in 2-dimensional phase spaces. Examples of linearizations of these equations are given.

J. Tafel

2006-02-09T23:59:59.000Z

103

Gravity dual of metastable dynamical supersymmetry breaking  

SciTech Connect (OSTI)

Metastable, supersymmetry-breaking configurations can be created in flux geometries by placing antibranes in warped throats. Via gauge/gravity duality, such configurations should have an interpretation as supersymmetry-breaking states in the dual field theory. In this paper, we perturbatively determine the asymptotic supergravity solutions corresponding to D3-brane probes placed at the tip of the cascading warped deformed conifold geometry, which is dual to an SU(N+M)xSU(N) gauge theory. The backreaction of the antibranes has the effect of introducing imaginary anti-self-dual flux, squashing the compact part of the space and forcing the dilaton to run. Using the generalization of holographic renormalization to cascading geometries, we determine the expectation values of operators in the dual field theory in terms of the asymptotic values of the supergravity fields.

DeWolfe, Oliver [Department of Physics, 390 UCB, University of Colorado, Boulder, Colorado 80309 (United States); Kachru, Shamit; Mulligan, Michael [Department of Physics and SLAC, Stanford University, Stanford, California 94305/94309 (United States)

2008-03-15T23:59:59.000Z

104

Dual Lindstedt series and KAM theorem  

E-Print Network [OSTI]

We prove that exists a Lindstedt series that holds when a Hamiltonian is driven by a perturbation going to infinity. This series appears to be dual to a standard Lindstedt series as it can be obtained by interchanging the role of the perturbation and the unperturbed system. The existence of this dual series implies that a dual KAM theorem holds and, when a leading order Hamiltonian exists that is non degenerate, the effect of tori reforming can be observed with a system passing from regular motion to fully developed chaos and back to regular motion with the reappearance of invariant tori. We apply these results to a perturbed harmonic oscillator proving numerically the appearance of tori reforming. Tori reforming appears as an effect limiting chaotic behavior to a finite range of parameter space of some Hamiltonian systems. Dual KAM theorem, as proved here, applies when the perturbation, combined with a kinetic term, provides again an integrable system.

Marco Frasca

2009-09-09T23:59:59.000Z

105

Dual superconducting properties of the QCD vacuum  

E-Print Network [OSTI]

A consistent description of the confining QCD vacuum as a dual superconductor requires a determination of fundamental parameters such as the superconductor correlation length $\\xi$ and the field penetration depth $\\lambda$, which determine whether the superconductor is of type I or type II. We illustrate preliminary results of a lattice determination of $\\xi$ for the case of pure Yang-Mills with two colors, obtained by measuring the temporal correlator of a disorder parameter detecting dual superconductivity.

A. D'Alessandro; M. D'Elia

2005-10-27T23:59:59.000Z

106

Dual-speed wind turbine generation  

SciTech Connect (OSTI)

Induction generator has been used since the early development of utility-scale wind turbine generation. An induction generator is the generator of choice because of its ruggedness and low cost. With an induction generator, the operating speed of the wind turbine is limited to a narrow range (almost constant speed). Dual- speed operation can be accomplished by using an induction generator with two different sets of winding configurations or by using a dual output drive train to drive two induction generators with two different rated speeds. With single-speed operation, the wind turbine operates at different power coefficients (Cp) as the wind speed varies. Operation at maximum Cp can occur only at a single wind speed. However, if the wind speed.varies across a wider range, the operating Cp will vary significantly. Dual-speed operation has the advantage of enabling the wind turbine to operate at near maximum Cp over a wider range of wind speeds. Thus, annual energy production can be increased. The dual-speed mode may generate less energy than a variable-speed mode; nevertheless, it offers an alternative which captures more energy than single-speed operation. In this paper, dual-speed operation of a wind turbine is investigated. Annual energy production is compared between single-speed and dual-speed operation. One type of control algorithm for dual-speed operation is proposed. Some results from a dynamic simulation will be presented to show how the control algorithm works as the wind turbine is exposed to varying wind speeds.

Muljadi, E.; Butterfield, C.P. [National Renewable Energy Lab., Golden, CO (United States)] [National Renewable Energy Lab., Golden, CO (United States); Handman, D. [Flowind Corp., San Rafael, CA (United States)] [Flowind Corp., San Rafael, CA (United States)

1996-10-01T23:59:59.000Z

107

Mechanical properties and microstructures of dual phase steels containing silicon, aluminum and molybdenum  

E-Print Network [OSTI]

AND MICROSTRUCTURES OF DUAL PHASE STEELS CONTAINING SILICON,and Microstructures of Dual Phase Steels Containing Silicon,microstructures of selected dual-phase steels in which the

Neill, Thomas John O'

2011-01-01T23:59:59.000Z

108

EFFECTS OF MORPHOLOGY ON THE MECHANICAL BEHAVIOR OF DUAL PHASE Fe/Si/C STEELS  

E-Print Network [OSTI]

and ductility in dual phase steels. However, it seems thatmechanical behavior of dual phase steels. ACKNOWLEDGEMENTSL INTRODUCTION Dual phase steels whose structures consist of

Kim, N.J.

2012-01-01T23:59:59.000Z

109

Sequential Change--Point Detection in GARCH(p; q) Models \\Lambda  

E-Print Network [OSTI]

Sequential Change--Point Detection in GARCH(p; q) Models \\Lambda Istv'an Berkes y A. R 84322­3900, USA We suggest a sequential monitoring scheme to detect changes in the parameters of a GARCH. Unlike for linear regression models, the squared residuals of nonlinear time series models like GARCH do

Kokoszka, Piotr

110

Sequential Thermo-Hydraulic Modeling of Variably Saturated Flow in High-Level Radioactive Waste Repository  

E-Print Network [OSTI]

Sequential Thermo-Hydraulic Modeling of Variably Saturated Flow in High-Level Radioactive Waste-Malabry, France Key words: waste repository, geological disposal, thermo- hydraulic modeling Introduction The most developed a sequential model to predict the coupled thermo-hydraulic processes at a cell-scale radioactive

Boyer, Edmond

111

Sequential Treatment by Ionizing Radiation and Sodium Arsenite Dramatically Accelerates TRAIL-Mediated Apoptosis of  

E-Print Network [OSTI]

is critically important in the translocation of death receptor to the cell surface. Moreover, sodium arsenite and further down-regulates cFLIP levels in melanoma cells. We have evaluated the effects of sequentialSequential Treatment by Ionizing Radiation and Sodium Arsenite Dramatically Accelerates TRAIL

112

Analytical solutions for sequentially coupled one-dimensional reactive transport problems Part II: Special cases,  

E-Print Network [OSTI]

Analytical solutions for sequentially coupled one-dimensional reactive transport problems ­ Part II solutions to multi-species reactive transport equations coupled through sorption and sequential first special-case transport scenarios involving zero initial condition, identical retardation factors and zero

Clement, Prabhakar

113

Analytical solutions for sequentially coupled one-dimensional reactive transport problems Part I: Mathematical derivations  

E-Print Network [OSTI]

Analytical solutions for sequentially coupled one-dimensional reactive transport problems ­ Part I-species reactive transport equations coupled through sorption and sequential first-order reactions are commonly. Although researchers have been attempting to solve various forms of these reactive transport equations

Clement, Prabhakar

114

SEQUENTIAL OPEN-LOOP SCHEDULING STRATEGIES P. Nash, R.R. Weber  

E-Print Network [OSTI]

-optimal, scheduling strategies. This new approach is based on the notion of sequential open-loop control, sometimesSEQUENTIAL OPEN-LOOP SCHEDULING STRATEGIES P. Nash, R.R. Weber Cambridge University ABSTRACT For certain scheduling problems wi th pre-emptive processing, a dynamic programming formulation reduces

Weber, Richard

115

Approximate Mining of Consensus Sequential Patterns Hye-Chung (Monica) Kum  

E-Print Network [OSTI]

. Mining sequential patterns in large databases of such data has become an important data mining task pattern mining, to mine databases with long sequences. A paradigm, which defines patterns operationallyApproximate Mining of Consensus Sequential Patterns by Hye-Chung (Monica) Kum A dissertation

Whitton, Mary C.

116

Dual waveband compact catadioptric imaging spectrometer  

DOE Patents [OSTI]

A catadioptric dual waveband imaging spectrometer that covers the visible through short-wave infrared, and the midwave infrared spectral regions, dispersing the visible through shortwave infrared with a zinc selenide grating and midwave infrared with a sapphire prism. The grating and prism are at the cold stop position, enabling the pupil to be split between them. The spectra for both wavebands are focused onto the relevant sections of a single dual waveband detector. Spatial keystone distortion is controlled to less than one tenth of a pixel over the full wavelength range, facilitating the matching of the spectra in the midwave infrared with the shorter wavelength region.

Chrisp, Michael P.

2012-12-25T23:59:59.000Z

117

Dual Superconductivity in G2 group  

E-Print Network [OSTI]

We investigate the dual superconductivity mechanism in the exceptional group $G_2$. This is a centerless group (no 't Hooft flux vortices are allowed) and we check for the presence of a magnetic monopole condensate in the confined phase by measuring on the lattice a disorder parameter related to the vacuum expectation value of an operator carrying magnetic charge. The behaviour of the disorder parameter is consistent with the dual superconductor picture. A first step of an analysis on the thermodynamical properties of the theory is conducted by mean of this operator.

G. Cossu; M. D'Elia; A. Di Giacomo; B. Lucini; C. Pica

2006-09-28T23:59:59.000Z

118

Economics of dual purpose production alternatives in the Mexican tropics  

E-Print Network [OSTI]

Technological, marketing, and financial alternatives to the dual purpose production system in Central Veracruz, Mexico were analyzed to assess their economic viability. A large dual purpose production operation was characterized in a baseline...

Ochoa-Ochoa, Rene Federico

1997-01-01T23:59:59.000Z

119

Aging and the vulnerability of speech to dual task demands  

E-Print Network [OSTI]

Tracking a digital pursuit rotor task was used to measure dual task costs of language production by young and older adults. Tracking performance by both groups was affected by dual task demands: time on target declined and ...

Kemper, Susan; Schmalzried, RaLynn Cheri; Hoffman, Lesa; Herman, Ruth

2010-12-01T23:59:59.000Z

120

Combustion and Emissions Performance of Dual-Fuel Gasoline and...  

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

Combustion and Emissions Performance of Dual-Fuel Gasoline and Diesel HECC on a Multi-Cylinder Light Duty Diesel Engine Combustion and Emissions Performance of Dual-Fuel Gasoline...

Note: This page contains sample records for the topic "advanced sequential dual" 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.


121

A Preconditioner for a Primal-Dual Newton Conjugate Gradients ...  

E-Print Network [OSTI]

Dec 30, 2014 ... A Preconditioner for a Primal-Dual Newton Conjugate Gradients Method for Compressed Sensing Problems.

Kimon Fountoulakis

2014-12-30T23:59:59.000Z

122

Optimization Online - Convergence Analysis of Primal-Dual Based ...  

E-Print Network [OSTI]

Sep 24, 2014 ... Convergence Analysis of Primal-Dual Based Methods for Total Variation Minimization with Finite Element Approximation.

Wenyi Tian

2014-09-24T23:59:59.000Z

123

Common Mathematical Foundations of Expected Utility and Dual ...  

E-Print Network [OSTI]

distributions, and their convex combinations correspond to lotteries. The dual utility theory uses convex combinations of comonotonic real random variables,†...

2012-11-24T23:59:59.000Z

124

MSW/MBA DUAL DEGREE PROGRAM 2013 2014  

E-Print Network [OSTI]

1 MSW/MBA DUAL DEGREE PROGRAM 2013 ­ 2014 Purpose The MSW/MBA Dual Degree Program was developed of an Individualized Concentration. Course of Study In broad outline, the course of study for the MSW/MBA dual degree two days per week during the academic year). Note: It is also possible to begin the MSW Program

Huang, Jianyu

125

MSW/MBA DUAL DEGREE PROGRAM 2014 2015  

E-Print Network [OSTI]

1 MSW/MBA DUAL DEGREE PROGRAM 2014 ­ 2015 Purpose The MSW/MBA Dual Degree Program was developed of an Individualized Concentration. Course of Study In broad outline, the course of study for the MSW/MBA dual degree two days per week during the academic year). Note: It is also possible to begin the MSW Program

Huang, Jianyu

126

Coupled dual loop absorption heat pump  

DOE Patents [OSTI]

A coupled dual loop absorption system which utilizes two separate complete loops. Each individual loop operates at three temperatures and two pressures. This low temperature loop absorber and condenser are thermally coupled to the high temperature loop evaporator, and the high temperature loop condenser and absorber are thermally coupled to the low temperature generator.

Sarkisian, Paul H. (Watertown, MA); Reimann, Robert C. (Lafayette, NY); Biermann, Wendell J. (Fayetteville, NY)

1985-01-01T23:59:59.000Z

127

Combined search for the quarks of a sequential fourth generation  

DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

Results are presented from a search for a fourth generation of quarks produced singly or in pairs in a data set corresponding to an integrated luminosity of 5??fb?1 recorded by the CMS experiment at the LHC in 2011. A novel strategy has been developed for a combined search for quarks of the up and down type in decay channels with at least one isolated muon or electron. Limits on the mass of the fourth-generation quarks and the relevant Cabibbo-Kobayashi-Maskawa matrix elements are derived in the context of a simple extension of the standard model with a sequential fourth generation of fermions. The existence of mass-degenerate fourth-generation quarks with masses below 685 GeV is excluded at 95% confidence level for minimal off-diagonal mixing between the third- and the fourth-generation quarks. With a mass difference of 25 GeV between the quark masses, the obtained limit on the masses of the fourth-generation quarks shifts by about Ī20??GeV . These results significantly reduce the allowed parameter space for a fourth generation of fermions.

Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Aguilo, E.; Bergauer, T.; Dragicevic, M.; ErŲ, J.; Fabjan, C.; Friedl, M.; FrŁhwirth, R.; Ghete, V. M.; Hammer, J.; HŲrmann, N.; Hrubec, J.; Jeitler, M.; Kiesenhofer, W.; KnŁnz, V.; Krammer, M.; Krštschmer, I.; Liko, D.; Mikulec, I.; Pernicka, M.; Rahbaran, B.; Rohringer, C.; Rohringer, H.; SchŲfbeck, R.; Strauss, J.; Taurok, A.; Waltenberger, W.; Walzel, G.; Widl, E.; Wulz, C.-E.; Mossolov, V.; Shumeiko, N.; Suarez Gonzalez, J.; Bansal, M.; Bansal, S.; Cornelis, T.; De Wolf, E. A.; Janssen, X.; Luyckx, S.; Mucibello, L.; Ochesanu, S.; Roland, B.; Rougny, R.; Selvaggi, M.; Staykova, Z.; Van Haevermaet, H.; Van Mechelen, P.; Van Remortel, N.; Van Spilbeeck, A.; Blekman, F.; Blyweert, S.; DíHondt, J.; Gonzalez Suarez, R.; Kalogeropoulos, A.; Maes, M.; Olbrechts, A.; Van Doninck, W.; Van Mulders, P.; Van Onsem, G. P.; Villella, I.; Clerbaux, B.; De Lentdecker, G.; Dero, V.; Gay, A. P. R.; Hreus, T.; Lťonard, A.; Marage, P. E.; Mohammadi, A.; Reis, T.; Thomas, L.; Vander Marcken, G.; Vander Velde, C.; Vanlaer, P.; Wang, J.; Adler, V.; Beernaert, K.; Cimmino, A.; Costantini, S.; Garcia, G.; Grunewald, M.; Klein, B.; Lellouch, J.; Marinov, A.; Mccartin, J.; Ocampo Rios, A. A.; Ryckbosch, D.; Strobbe, N.; Thyssen, F.; Tytgat, M.; Verwilligen, P.; Walsh, S.; Yazgan, E.; Zaganidis, N.; Basegmez, S.; Bruno, G.; Castello, R.; Ceard, L.; Delaere, C.; du Pree, T.; Favart, D.; Forthomme, L.; Giammanco, A.; Hollar, J.; Lemaitre, V.; Liao, J.; Militaru, O.; Nuttens, C.; Pagano, D.; Pin, A.; Piotrzkowski, K.; Schul, N.; Vizan Garcia, J. M.; Beliy, N.; Caebergs, T.; Daubie, E.; Hammad, G. H.; Alves, G. A.; Correa Martins Junior, M.; De Jesus Damiao, D.; Martins, T.; Pol, M. E.; Souza, M. H. G.; AldŠ Jķnior, W. L.; Carvalho, W.; Custůdio, A.; Da Costa, E. M.; De Oliveira Martins, C.; Fonseca De Souza, S.; Matos Figueiredo, D.; Mundim, L.; Nogima, H.; Oguri, V.; Prado Da Silva, W. L.; Santoro, A.; Soares Jorge, L.; Sznajder, A.; Anjos, T. S.; Bernardes, C. A.; Dias, F. A.; Tomei, T.R. Fernandez Perez; Gregores, E. M.; Lagana, C.; Marinho, F.; Mercadante, P. G.; Novaes, S. F.; Padula, Sandra S.; Genchev, V.; Iaydjiev, P.; Piperov, S.; Rodozov, M.; Stoykova, S.; Sultanov, G.; Tcholakov, V.; Trayanov, R.; Vutova, M.; Dimitrov, A.; Hadjiiska, R.; Kozhuharov, V.; Litov, L.; Pavlov, B.; Petkov, P.; Bian, J. G.; Chen, G. M.; Chen, H. S.; Jiang, C. H.; Liang, D.; Liang, S.; Meng, X.; Tao, J.; Wang, J.; Wang, X.; Wang, Z.; Xiao, H.; Xu, M.; Zang, J.; Zhang, Z.; Asawatangtrakuldee, C.; Ban, Y.; Guo, S.; Guo, Y.; Li, W.; Liu, S.; Mao, Y.; Qian, S. J.; Teng, H.; Wang, D.; Zhang, L.; Zhu, B.; Zou, W.; Avila, C.; Gomez, J. P.; Gomez Moreno, B.; Osorio Oliveros, A. F.; Sanabria, J. C.; Godinovic, N.; Lelas, D.; Plestina, R.; Polic, D.; Puljak, I.; Antunovic, Z.; Kovac, M.; Brigljevic, V.; Duric, S.; Kadija, K.; Luetic, J.; Morovic, S.; Attikis, A.; Galanti, M.; Mavromanolakis, G.; Mousa, J.; Nicolaou, C.; Ptochos, F.; Razis, P. A.; Finger, M.; Finger, M.; Assran, Y.; Elgammal, S.; Ellithi Kamel, A.; Khalil, S.; Mahmoud, M. A.; Radi, A.; Kadastik, M.; MŁntel, M.; Raidal, M.; Rebane, L.; Tiko, A.; Eerola, P.; Fedi, G.; Voutilainen, M.; HšrkŲnen, J.; Heikkinen, A.; Karimški, V.; Kinnunen, R.; Kortelainen, M. J.; Lampťn, T.; Lassila-Perini, K.; Lehti, S.; Lindťn, T.; Luukka, P.; Mšenpšš, T.; Peltola, T.; Tuominen, E.; Tuominiemi, J.; Tuovinen, E.; Ungaro, D.; Wendland, L.; Banzuzi, K.; Karjalainen, A.; Korpela, A.; Tuuva, T.; Besancon, M.; Choudhury, S.; Dejardin, M.; Denegri, D.; Fabbro, B.; Faure, J. L.; Ferri, F.; Ganjour, S.; Givernaud, A.; Gras, P.; Hamel de Monchenault, G.; Jarry, P.; Locci, E.; Malcles, J.; Millischer, L.; Nayak, A.; Rander, J.; Rosowsky, A.; Shreyber, I.; Titov, M.; Baffioni, S.; Beaudette, F.; Benhabib, L.; Bianchini, L.; Bluj, M.; Broutin, C.; Busson, P.; Charlot, C.; Daci, N.; Dahms, T.; Dobrzynski, L.; Granier de Cassagnac, R.; Haguenauer, M.; Minť, P.; Mironov, C.; Naranjo, I. N.; Nguyen, M.; Ochando, C.; Paganini, P.; Sabes, D.; Salerno, R.; Sirois, Y.; Veelken, C.; Zabi, A.; Agram, J.-L.; Andrea, J.; Bloch, D.; Bodin, D.; Brom, J.-M.; Cardaci, M.; Chabert, E. C.; Collard, C.; Conte, E.; Drouhin, F.; Ferro, C.; Fontaine, J.-C.; Gelť, D.; Goerlach, U.; Juillot, P.; Le Bihan, A.-C.; Van Hove, P.; Fassi, F.; Mercier, D.; Beauceron, S.; Beaupere, N.; Bondu, O.; Boudoul, G.; Chasserat, J.; Chierici, R.; Contardo, D.; Depasse, P.; El Mamouni, H.; Fay, J.; Gascon, S.; Gouzevitch, M.; Ille, B.; Kurca, T.; Lethuillier, M.; Mirabito, L.; Perries, S.; Sordini, V.; Tschudi, Y.; Verdier, P.; Viret, S.; Tsamalaidze, Z.; Anagnostou, G.; Beranek, S.; Edelhoff, M.; Feld, L.; Heracleous, N.; Hindrichs, O.; Jussen, R.; Klein, K.

2012-12-01T23:59:59.000Z

128

Combined search for the quarks of a sequential fourth generation  

E-Print Network [OSTI]

Results are presented from a search for a fourth generation of quarks produced singly or in pairs in a data set corresponding to an integrated luminosity of 5 inverse femtobarns recorded by the CMS experiment at the LHC in 2011. A novel strategy has been developed for a combined search for quarks of the up- and down-type in decay channels with at least one isolated muon or electron. Limits on the mass of the fourth-generation quarks and the relevant CKM matrix elements are derived in the context of a simple extension of the standard model with a sequential fourth generation of fermions. The existence of mass-degenerate fourth-generation quarks with masses below 685 GeV is excluded at 95% confidence level for minimal off-diagonal mixing between the third- and the fourth-generation quarks. With a mass difference of 25 GeV between the quark masses, the obtained limit on the masses of the fourth-generation quarks shifts by about +/- 20 GeV. This result significantly reduces the allowed parameter space for a fourt...

Chatrchyan, Serguei; Sirunyan, Albert M; Tumasyan, Armen; Adam, Wolfgang; Aguilo, Ernest; Bergauer, Thomas; Dragicevic, Marko; ErŲ, Janos; Fabjan, Christian; Friedl, Markus; Fruehwirth, Rudolf; Ghete, Vasile Mihai; Hammer, Josef; HŲrmann, Natascha; Hrubec, Josef; Jeitler, Manfred; Kiesenhofer, Wolfgang; KnŁnz, Valentin; Krammer, Manfred; Krštschmer, Ilse; Liko, Dietrich; Mikulec, Ivan; Pernicka, Manfred; Rahbaran, Babak; Rohringer, Christine; Rohringer, Herbert; SchŲfbeck, Robert; Strauss, Josef; Taurok, Anton; Waltenberger, Wolfgang; Walzel, Gerhard; Widl, Edmund; Wulz, Claudia-Elisabeth; Mossolov, Vladimir; Shumeiko, Nikolai; Suarez Gonzalez, Juan; Bansal, Monika; Bansal, Sunil; Cornelis, Tom; De Wolf, Eddi A; Janssen, Xavier; Luyckx, Sten; Mucibello, Luca; Ochesanu, Silvia; Roland, Benoit; Rougny, Romain; Selvaggi, Michele; Staykova, Zlatka; Van Haevermaet, Hans; Van Mechelen, Pierre; Van Remortel, Nick; Van Spilbeeck, Alex; Blekman, Freya; Blyweert, Stijn; D'Hondt, Jorgen; Gonzalez Suarez, Rebeca; Kalogeropoulos, Alexis; Maes, Michael; Olbrechts, Annik; Van Doninck, Walter; Van Mulders, Petra; Van Onsem, Gerrit Patrick; Villella, Ilaria; Clerbaux, Barbara; De Lentdecker, Gilles; Dero, Vincent; Gay, Arnaud; Hreus, Tomas; Lťonard, Alexandre; Marage, Pierre Edouard; Mohammadi, Abdollah; Reis, Thomas; Thomas, Laurent; Vander Marcken, Gil; Vander Velde, Catherine; Vanlaer, Pascal; Wang, Jian; Adler, Volker; Beernaert, Kelly; Cimmino, Anna; Costantini, Silvia; Garcia, Guillaume; Grunewald, Martin; Klein, Benjamin; Lellouch, Jťrťmie; Marinov, Andrey; Mccartin, Joseph; Ocampo Rios, Alberto Andres; Ryckbosch, Dirk; Strobbe, Nadja; Thyssen, Filip; Tytgat, Michael; Verwilligen, Piet; Walsh, Sinead; Yazgan, Efe; Zaganidis, Nicolas; Basegmez, Suzan; Bruno, Giacomo; Castello, Roberto; Ceard, Ludivine; Delaere, Christophe; Du Pree, Tristan; Favart, Denis; Forthomme, Laurent; Giammanco, Andrea; Hollar, Jonathan; Lemaitre, Vincent; Liao, Junhui; Militaru, Otilia; Nuttens, Claude; Pagano, Davide; Pin, Arnaud; Piotrzkowski, Krzysztof; Schul, Nicolas; Vizan Garcia, Jesus Manuel; Beliy, Nikita; Caebergs, Thierry; Daubie, Evelyne; Hammad, Gregory Habib; Alves, Gilvan; Correa Martins Junior, Marcos; De Jesus Damiao, Dilson; Martins, Thiago; Pol, Maria Elena; Henrique Gomes E Souza, Moacyr; AldŠ Jķnior, Walter Luiz; Carvalho, Wagner; Custůdio, Analu; Da Costa, Eliza Melo; De Oliveira Martins, Carley; Fonseca De Souza, Sandro; Matos Figueiredo, Diego; Mundim, Luiz; Nogima, Helio; Oguri, Vitor; Prado Da Silva, Wanda Lucia; Santoro, Alberto; Soares Jorge, Luana; Sznajder, Andre; Souza Dos Anjos, Tiago; Bernardes, Cesar Augusto; De Almeida Dias, Flavia; Tomei, Thiago; De Moraes Gregores, Eduardo; Lagana, Caio; Da Cunha Marinho, Franciole; Mercadante, Pedro G; Novaes, Sergio F; Padula, Sandra; Genchev, Vladimir; Iaydjiev, Plamen; Piperov, Stefan; Rodozov, Mircho; Stoykova, Stefka; Sultanov, Georgi; Tcholakov, Vanio; Trayanov, Rumen; Vutova, Mariana; Dimitrov, Anton; Hadjiiska, Roumyana; Kozhuharov, Venelin; Litov, Leander; Pavlov, Borislav; Petkov, Peicho; Bian, Jian-Guo; Chen, Guo-Ming; Chen, He-Sheng; Jiang, Chun-Hua; Liang, Dong; Liang, Song; Meng, Xiangwei; Tao, Junquan; Wang, Jian; Wang, Xianyou; Wang, Zheng; Xiao, Hong; Xu, Ming; Zang, Jingjing; Zhang, Zhen; Asawatangtrakuldee, Chayanit; Ban, Yong; Guo, Shuang; Guo, Yifei; Li, Wenbo; Liu, Shuai; Mao, Yajun; Qian, Si-Jin; Teng, Haiyun; Wang, Dayong; Zhang, Linlin; Zhu, Bo; Zou, Wei; Avila, Carlos; Gomez, Juan Pablo; Gomez Moreno, Bernardo; Osorio Oliveros, Andres Felipe; Sanabria, Juan Carlos; Godinovic, Nikola; Lelas, Damir; Plestina, Roko; Polic, Dunja; Puljak, Ivica; Antunovic, Zeljko; Kovac, Marko; Brigljevic, Vuko; Duric, Senka; Kadija, Kreso; Luetic, Jelena; Morovic, Srecko; Attikis, Alexandros; Galanti, Mario; Mavromanolakis, Georgios; Mousa, Jehad; Nicolaou, Charalambos; Ptochos, Fotios; Razis, Panos A; Finger, Miroslav; Finger Jr, Michael; Assran, Yasser; Elgammal, Sherif; Ellithi Kamel, Ali; Khalil, Shaaban; Mahmoud, Mohammed; Radi, Amr; Kadastik, Mario; MŁntel, Mait; Raidal, Martti; Rebane, Liis; Tiko, Andres; Eerola, Paula; Fedi, Giacomo; Voutilainen, Mikko; HšrkŲnen, Jaakko; Heikkinen, Mika Aatos; Karimški, Veikko; Kinnunen, Ritva; Kortelainen, Matti J; Lampťn, Tapio; Lassila-Perini, Kati; Lehti, Sami; Lindťn, Tomas; Luukka, Panja-Riina; Mšenpšš, Teppo; Peltola, Timo; Tuominen, Eija; Tuominiemi, Jorma; Tuovinen, Esa; Ungaro, Donatella; Wendland, Lauri; Banzuzi, Kukka; Karjalainen, Ahti; Korpela, Arja; Tuuva, Tuure; Besancon, Marc; Choudhury, Somnath

2012-01-01T23:59:59.000Z

129

Advanced Critical Advanced Energy Retrofit Education and Training...  

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

Critical Advanced Energy Retrofit Education and Training and Credentialing - 2014 BTO Peer Review Advanced Critical Advanced Energy Retrofit Education and Training and...

130

OPTIMIZATION OF TURBOMACHINERY AIRFOILS WITH A GENETIC/SEQUENTIAL QUADRATIC PROGRAMMING ALGORITHM  

E-Print Network [OSTI]

OPTIMIZATION OF TURBOMACHINERY AIRFOILS WITH A GENETIC/SEQUENTIAL QUADRATIC PROGRAMMING ALGORITHM words: shape optimization, aerodynamic design, turbomachinery, aerodynamics, genetic algorithms-magneto- gasdynamic effects. In the case of a turbomachinery aerodynamics, sources of entropy production other than

Dennis, Brian

131

The Trust Region Sequential Quadratic Programming method applied to two-aircraft acoustic optimal control problem  

E-Print Network [OSTI]

The Trust Region Sequential Quadratic Programming method applied to two-aircraft acoustic optimal of the environmental pollution and noise impact, ACARE requires a 50% reduction of perceived noise for 2020. This goal

Paris-Sud XI, Université de

132

Managing a portfolio of real options : sequential exploration of dependent prospects  

E-Print Network [OSTI]

We consider the impact of sequential investment and active management on the value of a portfolio of real options. The options are assumed to be interdependent, in that exercise of any one is assumed to produce, in addition ...

Smith, James L.

2004-01-01T23:59:59.000Z

133

Graphene Multilayers as Gates for Multi-Week Sequential Release of Proteins from Surfaces  

E-Print Network [OSTI]

The ability to control the timing and order of release of different therapeutic drugs will play a pivotal role in improving patient care and simplifying treatment regimes in the clinic. The controlled sequential release ...

Hong, Jinkee

134

Compact parametric models for efficient sequential decision making in high-dimensional, uncertain domains  

E-Print Network [OSTI]

Within artificial intelligence and robotics there is considerable interest in how a single agent can autonomously make sequential decisions in large, high-dimensional, uncertain domains. This thesis presents decision-making ...

Brunskill, Emma Patricia

2009-01-01T23:59:59.000Z

135

Rational plunging and the option value of sequential investment : the case of petroleum exploration  

E-Print Network [OSTI]

Any investor in assets that can be exploited sequentially faces a tradeoff between diversification and concentration. Loading a portfolio with correlated assets has the potential to inflate variance, but also creates ...

Smith, James L.

2006-01-01T23:59:59.000Z

136

Predictable waves of sequential forest degradation and biodiversity loss spreading from an African city  

E-Print Network [OSTI]

- tainably reducing carbon storage and biodiversity. biodiversity conservation | carbon emissions | reducing, wood production, and biodiversity conservation. The impacts of individual forms of tropical forestPredictable waves of sequential forest degradation and biodiversity loss spreading from an African

Vermont, University of

137

Exact EssentialHazardFree State Minimization of Incompletely Specified Asynchronous Sequential  

E-Print Network [OSTI]

'ecnica, Barquisimeto, Venezuela. This author is supported by a grant from Consejo Nacional de Investigaciones Cient'ificas y Tecnol'ogicas, Venezuela. 1 #12; 1 Introduction Interest in asynchronous sequential circuits

138

Differential-phase-shift quantum key distribution with phase modulation to combat sequential attacks  

SciTech Connect (OSTI)

Phase-modulated differential-phase-shift (DPS) quantum key distribution (QKD) is presented for combating sequential attacks that most severely restrict the DPS-QKD system distance. Slow phase modulation imposed onto the DPS signal obstructs the optimum unambiguous state discrimination measurement conducted in the sequential attack and improves the QKD distance as a result. The condition with which the phase modulation does not degrade the DPS-QKD system performance is also described.

Kawahara, Hiroki; Oka, Toru; Inoue, Kyo [Osaka University, Osaka 565-0871 (Japan)

2011-11-15T23:59:59.000Z

139

Sequential and parallel algorithms for minimum cost parallel decomposition of finite state machines  

E-Print Network [OSTI]

form a lattice, where each node in the lattice has a cost associated with it. An algorithm to build the lattice is presented. Also to find the best pos- sible parallel decomposition, an optimal cost algorithm is proposed. Sequential snd parallel.... The OSI Reference Model C. Bottlenecks in Communication Protocols D. High Speed Protocols E. High-Speed Implementations F. Structure of the Thesis THEORETICAL BACKGROUND A. Set Theory . B. Partially Ordered Sets and Lattices C. Sequential Machines...

Shelke, Rajendra Ram

1992-01-01T23:59:59.000Z

140

Italian Academy Advanced Studies  

E-Print Network [OSTI]

The Italian Academy for Advanced Studies in America at Columbia University Annual Report 2006≠2007 The Italian Academy for Advanced Studies in America at Columbia University Annual Report 2006≠2007 #12;italian academy for advanced studies in america 1161 Amsterdam Avenue New York, NY 10027 tel: (212) 854-2306 fax

Qian, Ning

Note: This page contains sample records for the topic "advanced sequential dual" 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

Advanced Search Search Tips  

E-Print Network [OSTI]

Advanced Search Search Tips Advanced Search Search Tips springerlink.com SpringerLink 2,000 40,000 20,000 2010 11 Please visit 7 http://www.springerlink.com GO 1997 1997 SpringerLink Advanced Search Search Tips CONTENT DOI CITATION DOI ISSN ISBN CATEGORY AND DATE LIMITERS Journals Books Protocols

Kinosita Jr., Kazuhiko

142

The World as a Dual Josephson Junction  

E-Print Network [OSTI]

We examine some of the implications of the field-theoretical mechanism for the localization of gauge fields on hypersurfaces in higher-dimensional bulk space-time. This mechanism exploits the analogy between confinement and dual superconductivity. In the simplest case of a photon localized on a (2+1)-dimensional surface in a (3+1)-dimensional bulk, we argue that the system behaves like a dual Josephson junction. This implies that the effective gauge theory on the surface is not free, but displays weak confinement with a linear potential. We comment on the relevance of our results for the realistic case of a (3+1)-dimensional surface in a space-time with one or more extra dimensions.

N. Tetradis

2000-02-24T23:59:59.000Z

143

Adaptive upscaling with the dual mesh method  

SciTech Connect (OSTI)

The objective of this paper is to demonstrate that upscaling should be calculated during the flow simulation instead of trying to enhance the a priori upscaling methods. Hence, counter-examples are given to motivate our approach, the so-called Dual Mesh Method. The main steps of this numerical algorithm are recalled. Applications illustrate the necessity to consider different average relative permeability values depending on the direction in space. Moreover, these values could be different for the same average saturation. This proves that an a priori upscaling cannot be the answer even in homogeneous cases because of the {open_quotes}dynamical heterogeneity{close_quotes} created by the saturation profile. Other examples show the efficiency of the Dual Mesh Method applied to heterogeneous medium and to an actual field case in South America.

Guerillot, D.; Verdiere, S.

1997-08-01T23:59:59.000Z

144

Design of dual frequency interferometric SAR  

SciTech Connect (OSTI)

Using a spaceborne interferometric SAR, it is possible to produce a high resolution global topographic map with a height accuracy of several meters. However, frequency selection of the interferometric SAR is rather complicated due to interferometric phenomenology and atmospheric effects. In this paper, we propose a dual frequency interferometric SAR to achieve better understanding of interferometric height (especially for penetrable medium) and corresponding calibration and to remove the atmospheric effects. The selected frequencies are L- and Ku- bands. We also present a radar design and show that a light weight and efficient SAR can be designed using new technologies and dual frequency advantages even with two frequency radars in a single spacecraft. {copyright} {ital 1996 American Institute of Physics.}

Kim, Y.; Edelstein, W.; Caro, E. [Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109 (United States)

1996-03-01T23:59:59.000Z

145

Fabrication of dual porosity electrode structure  

DOE Patents [OSTI]

A substantially entirely fibrous ceramic which may have dual porosity of both micro and macro pores. Total porosity may be 60-75% by volume. A method of spraying a slurry perpendicularly to an ambient stream of air is disclosed along with a method of removing binders without altering the fiber morphology. Adding fine ceramic particulates to the green ceramic fibers enhances the sintering characteristics of the fibers.

Smith, James L. (Lemont, IL); Kucera, Eugenia H. (Downers Grove, IL)

1991-01-01T23:59:59.000Z

146

Exact Gravity Dual of a Gapless Superconductor  

E-Print Network [OSTI]

A model of an exact gravity dual of a gapless superconductor is presented in which the condensate is provided by a charged scalar field coupled to a bulk black hole of hyperbolic horizon in asymptotically AdS spacetime. Below a critical temperature, the black hole acquires its hair through a phase transition while an electromagnetic perturbation of the background Maxwell field determines the conductivity of the boundary theory.

George Koutsoumbas; Eleftherios Papantonopoulos; George Siopsis

2009-06-17T23:59:59.000Z

147

Fabrication of dual porosity electrode structure  

DOE Patents [OSTI]

A substantially entirely fibrous ceramic is described which may have dual porosity of both micro and macro pores. Total porosity may be 60-75% by volume. A method of spraying a slurry perpendicularly to an ambient stream of air is disclosed along with a method of removing binders without altering the fiber morphology. Adding fine ceramic particulates to the green ceramic fibers enhances the sintering characteristics of the fibers. 3 figures.

Smith, J.L.; Kucera, E.H.

1991-02-12T23:59:59.000Z

148

Dual fueling of a Caterpillar 3406 diesel engine  

SciTech Connect (OSTI)

A Caterpillar 3406 turbocharged diesel engine was converted to operate in a dual-fuel mode and was evaluated for performance and emission characteristics for both diesel and natural gas operation. Full load power was achieved with dual fueling without knock. Similar fuel efficiencies were obtained with dual fueling a high loads, but efficiencies were lower for low loads. Bosch smoke numbers were reduced by over 50% with dual fueling for all cases investigated. NO{sub x} emissions were found to be lower at low loads and at high speeds under high load. CO emissions were significantly increased for dual fueling while CO{sub 2} concentrations in the exhaust were reduced for dual fueling.

Bell, S.R.; Midkiff, K.C.; Doughty, G.; Brett, C.E. [Univ. of Alabama, Tuscaloosa, AL (United States)

1996-05-01T23:59:59.000Z

149

Dual Superconductor Mechanism of Confinement on the Lattice  

E-Print Network [OSTI]

We investigate the dual superconductor mechanism of confinement for pure SU(2) lattice gauge theory in the maximally abelian gauge. We focus on the the dual Meissner effect. We find that the transverse distribution of the longitudinal chromoelectric field due to a static quark-antiquark pair satisfies the dual London equation. Moreover we show that the size of the flux tube scales according to asymptotic freedom.

P. Cea; L. Cosmai

1992-10-26T23:59:59.000Z

150

An EP theorem for dual linear complementarity problem  

E-Print Network [OSTI]

Mar 2, 2007 ... An EP theorem for dual linear complementarity problem. Illťs Tibor (illes ***at*** math.elte.hu) Marianna Nagy (nmariann ***at*** cs.elte.hu)

Illťs Tibor

2007-03-02T23:59:59.000Z

151

An EP theorem for dual linear complementarity problems  

E-Print Network [OSTI]

present an existentially polytime (EP) theorem for the dual LCP with arbitrary ... goals are discussed in Section 2, along with the LCP duality theorem and an EP.

2008-01-20T23:59:59.000Z

152

Protection of Li Anodes Using Dual Phase Electrolytes  

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

cells with high energy anode and dual-phase electrolyte systems Partners BASF SE, Germany * Development of Li-S battery materials 3 Relevance. Project Objectives. * Develop a...

153

Geothermal: Sponsored by OSTI -- Final Report: Geothermal Dual...  

Office of Scientific and Technical Information (OSTI)

Final Report: Geothermal Dual Acoustic Tool for Measurement of Rock Stress Geothermal Technologies Legacy Collection HelpFAQ | Site Map | Contact Us HomeBasic Search About...

154

DARHT: Dual-Axis Radiographic Hydrodynamic Test Facility  

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

built DARHT, the world's most powerful x-ray machine, to analyze mockups of nuclear weapons. At the Los Alamos National Laboratory (LANL), the Dual-Axis Radiographic...

155

On parallelizing dual decomposition in stochastic integer programming  

E-Print Network [OSTI]

Oct 9, 2012 ... Abstract: For stochastic mixed-integer programs, we revisit the dual decomposition algorithm of Car\\o{}e and Schultz from a computational†...

Miles Lubin

2012-10-09T23:59:59.000Z

156

Improving the Performance of Stochastic Dual Dynamic Programming  

E-Print Network [OSTI]

Jul 13, 2012 ... 3 describes the three different tree-traversal strategies we shall test and ...... ria for stochastic dual dynamic programming: a case study in†...

2012-07-13T23:59:59.000Z

157

Sequential Extraction Versus Comprehensive Characterization of Heavy Metal Species in Brownfield Soils  

SciTech Connect (OSTI)

The applicability of sequential extraction as a means to determine species of heavy-metals was examined by a study on soil samples from two Superfund sites: the National Lead Company site in Pedricktown, NJ, and the Roebling Steel, Inc., site in Florence, NJ. Data from a standard sequential extraction procedure were compared to those from a comprehensive study that combined optical- and scanning-electron microscopy, X-ray diffraction, and chemical analyses. The study shows that larger particles of contaminants, encapsulated contaminants, and/or man-made materials such as slags, coke, metals, and plastics are subject to incasement, non-selectivity, and redistribution in the sequential extraction process. The results indicate that standard sequential extraction procedures that were developed for characterizing species of contaminants in river sediments may be unsuitable for stand-alone determinative evaluations of contaminant species in industrial-site materials. However, if employed as part of a comprehensive, site-specific characterization study, sequential extraction could be a very useful tool.

Dahlin, Cheryl L.; Williamson, Connie A.; Collins, W. Keith; Dahlin, David C.

2002-06-01T23:59:59.000Z

158

Advanced Studies Institute  

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

Engineering Institute Advanced Studies Institute Contact Institute Director Charles Farrar (505) 663-5330 Email UCSD EI Director Michael Todd (858) 534-5951 Professional Staff...

159

Advanced Reciprocating Engine Systems  

Broader source: Energy.gov [DOE]

The Advanced Reciprocating Engine Systems (ARES) program is designed to promote separate but parallel engine development between the major stationary, gaseous fueled engine manufacturers in the...

160

Advanced Propulsion Technology Strategy  

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

Alternative Sources) Hydrogen Time ADVANCED PROPULSION TECHNOLOGY STRATEGY DOWNSIZED TURBO GAS ENGINE CHEVROLET CRUZE 1.4L TURBO ECOTEC Downsized SIDI Turbo Boosting HCCI -...

Note: This page contains sample records for the topic "advanced sequential dual" 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

Advanced Fuel Cycle Initiative  

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

Working with INL Community Outreach Visitor Information Calendar of Events ATR National Scientific User Facility Center for Advanced Energy Studies Light Water Reactor...

162

Advanced Fuel Cycle Program  

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

Working with INL Community Outreach Visitor Information Calendar of Events ATR National Scientific User Facility Center for Advanced Energy Studies Light Water Reactor...

163

Advances in Physical Chemistry  

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

Hindawi Publishing Corporation Advances in Physical Chemistry Volume 2011, Article ID 907129, 18 pages doi:10.11552011907129 Review Article Contrast and Synergy between...

164

Dual alkali approaches for the capture and separation of CO{sub 2}  

SciTech Connect (OSTI)

The Solvay process utilizes two alkalis in sequential order to convert CO{sub 2} to sodium carbonate for commercial use. The ability to transform CO{sub 2} into sodium carbonate cost-effectively would be a breakthrough in CO{sub 2} sequestration by providing benign long-term storage of CO{sub 2}. However, the Solvay process was not designed for CO{sub 2} sequestration and is not practical for use in the sequestration of CO{sub 2} from fossil fuel power plants. This paper investigates methods to modify the process in order to make it effective for the control of power plant CO{sub 2} emissions. The new modified process, called the Dual Alkali Approach, attempts to replace either or both bases, ammonia and lime, in the Solvay process with other compounds to make CO{sub 2} capture and separation efficient. Ammonia was replaced with different amines in aqueous solutions of salts and it was found that bicarbonate precipitation did occur. A method to regenerate the amine in the second step has not been implemented. However, the second step in Solvay Process has been implemented without using lime, namely, ammonia has been regenerated from an ammonium chloride solution using activated carbon. The HCl adsorbed in the activated carbon was removed by water to regenerate the activated carbon.

Huang, H.P.; Shi, Y.; Li, W.; Chang, S.G.

2000-04-04T23:59:59.000Z

165

Dual Meissner effect and non-Abelian dual superconductivity in SU(3) Yang-Mills theory  

E-Print Network [OSTI]

The dual Meissner effect is the promising mechanism for quark confinement. We have proposed a new formulation of SU(N) Yang-Mills (YM) theory on a lattice, which can extract the dominant mode for quark confinement in the gauge independent manner. In the last lattice conference, we have demonstrated by measuring the string tension from the Wilson loop average in the SU(3) YM theory that the restricted non-Abelian variable and the extracted non-Abelian magnetic monopoles play the dominant role in confinement of fundamental quarks (dominance in the string tension), in marked contrast to the Abelian projection. In this talk, we focus on the dual Meissner effect in SU(3) YM theory, which is examined by measuring the distribution of chromo-electric field strength created by a static quark-antiquark pair. We apply the new lattice formulation, and examine whether or not the non-Abelian dual superconductivity claimed by us is indeed a mechanism of quark confinement. We present a preliminary result of the direct evidence for the non-abelian dual Meissner effect, that is to say, restricted U(2)-field part of the flux tube plays the dominant role in the quark-antiquark potential.

Akihiro Shibata; Kei-Ichi Kondo; Toru Shinohara

2012-04-25T23:59:59.000Z

166

Dual stage active magnetic regenerator and method  

DOE Patents [OSTI]

A dual stage active magnetic regenerator refrigerator as well as method using the Joule-Brayton thermodynamic cycle includes a high temperature stage refrigerant comprising DyAl{sub 2} or (Dy{sub 1{minus}x}Er{sub x})Al{sub 2} where x is selected to be greater than 0 and less than about 0.3 in combination with a low temperature stage comprising (Dy{sub 1{minus}x}Er{sub x})Al{sub 2} where x is selected to be greater than about 0.5 and less than 1 to provide significantly improved refrigeration efficiency in the liquefaction of gaseous hydrogen. 17 figs.

Pecharsky, V.K.; Gschneidner, K.A. Jr.

1999-03-30T23:59:59.000Z

167

Gravity dual of spatially modulated phase  

SciTech Connect (OSTI)

We show that the five-dimensional Maxwell theory with the Chern-Simons term is tachyonic in the presence of a constant electric field. When coupled to gravity, a sufficiently large Chern-Simons coupling causes instability of the Reissner-Nordstroem black holes in anti-de Sitter space. The instability happens only at nonvanishing momenta, suggesting a spatially modulated phase in the holographically dual quantum field theory in (3+1) dimensions, with spontaneous current generation in a helical configuration. The three-charge extremal black hole in the type IIB superstring theory on AdS{sub 5}xS{sup 5} barely satisfies the stability condition.

Nakamura, Shin [Department of Physics, Kyoto University, Kyoto 606-8502 (Japan); Ooguri, Hirosi [California Institute of Technology, Pasadena, California 91125 (United States); IPMU, University of Tokyo, Kashiwa 277-8586 (Japan); Park, Chang-Soon [California Institute of Technology, Pasadena, California 91125 (United States)

2010-02-15T23:59:59.000Z

168

dual-function | netl.doe.gov  

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 SecurityTensile Strain Switched5 Industrial Carbon Capture and Storageconvert 2 3 DEPARTMENT OFDryNovel Dual

169

Comparison of reduced-order, sequential and variational data assimilation methods in the tropical Pacific Ocean  

E-Print Network [OSTI]

This paper presents a comparison of two reduced-order, sequential and variational data assimilation methods: the SEEK filter and the R-4D-Var. A hybridization of the two, combining the variational framework and the sequential evolution of covariance matrices, is also preliminarily investigated and assessed in the same experimental conditions. The comparison is performed using the twin-experiment approach on a model of the Tropical Pacific domain. The assimilated data are simulated temperature profiles at the locations of the TAO/TRITON array moorings. It is shown that, in a quasi-linear regime, both methods produce similarly good results. However the hybrid approach provides slightly better results and thus appears as potentially fruitful. In a more non-linear regime, when Tropical Instability Waves develop, the global nature of the variational approach helps control model dynamics better than the sequential approach of the SEEK filter. This aspect is probably enhanced by the context of the experiments in tha...

Robert, Cťline; Verron, Jacques

2006-01-01T23:59:59.000Z

170

Physics-based, Bayesian sequential detection method and system for radioactive contraband  

DOE Patents [OSTI]

A distributed sequential method and system for detecting and identifying radioactive contraband from highly uncertain (noisy) low-count, radionuclide measurements, i.e. an event mode sequence (EMS), using a statistical approach based on Bayesian inference and physics-model-based signal processing based on the representation of a radionuclide as a monoenergetic decomposition of monoenergetic sources. For a given photon event of the EMS, the appropriate monoenergy processing channel is determined using a confidence interval condition-based discriminator for the energy amplitude and interarrival time and parameter estimates are used to update a measured probability density function estimate for a target radionuclide. A sequential likelihood ratio test is then used to determine one of two threshold conditions signifying that the EMS is either identified as the target radionuclide or not, and if not, then repeating the process for the next sequential photon event of the EMS until one of the two threshold conditions is satisfied.

Candy, James V; Axelrod, Michael C; Breitfeller, Eric F; Chambers, David H; Guidry, Brian L; Manatt, Douglas R; Meyer, Alan W; Sale, Kenneth E

2014-03-18T23:59:59.000Z

171

DESIGN OF DUAL PHASE Fe/Mn/C STEEL FOR LOW TEMPERATURE APPLICATION  

E-Print Network [OSTI]

and Properties of Dual- Phase Steels, R. A. Kot and J. \\4.and Properties of Dual Phase Steels, R. A. Kot and J. W. ~Formable HSLA and Dual- Phase Steels, A. T. Davenport, ed. ,

Kim, Nack-Joon

2013-01-01T23:59:59.000Z

172

CARBON ATOM DISTRIBUTION IN A DUAL PHASE STEEL: AN ATOM PROBE STUDY  

E-Print Network [OSTI]

ATOM DISTRIBUTION IN A DUAL PHASE STEEL: AN ATOM PROBE STUDY~4720 1 U.S.A. IntroductioE. Dual Phase steels are currentlymartensite-austenite dual phase steel, although the results

Barnard, S.J.

2014-01-01T23:59:59.000Z

173

Advanced Demand Responsive Lighting  

E-Print Network [OSTI]

Advanced Demand Responsive Lighting Host: Francis Rubinstein Demand Response Research Center demand responsive lighting systems ­ Importance of dimming ­ New wireless controls technologies · Advanced Demand Responsive Lighting (commenced March 2007) #12;Objectives · Provide up-to-date information

174

Kansas Advanced Semiconductor Project  

SciTech Connect (OSTI)

KASP (Kansas Advanced Semiconductor Project) completed the new Layer 0 upgrade for D0, assumed key electronics projects for the US CMS project, finished important new physics measurements with the D0 experiment at Fermilab, made substantial contributions to detector studies for the proposed e+e- international linear collider (ILC), and advanced key initiatives in non-accelerator-based neutrino physics.

Baringer, P.; Bean, A.; Bolton, T.; Horton-Smith, G.; Maravin, Y.; Ratra, B.; Stanton, N.; von Toerne, E.; Wilson, G.

2007-09-21T23:59:59.000Z

175

PERFORMANCE ANALYSIS USING SEQUENTIAL DETECTION IN A SERIAL MULTI-HOP WIRELESS SENSOR NETWORK  

E-Print Network [OSTI]

PERFORMANCE ANALYSIS USING SEQUENTIAL DETECTION IN A SERIAL MULTI-HOP WIRELESS SENSOR NETWORK A Thesis by DAE HYUN CHOI Submitted to the O?ce of Graduate Studies of Texas A&M University in partial fulflllment of the requirements for the degree... of MASTER OF SCIENCE August 2008 Major Subject: Electrical Engineering PERFORMANCE ANALYSIS USING SEQUENTIAL DETECTION IN A SERIAL MULTI-HOP WIRELESS SENSOR NETWORK A Thesis by DAE HYUN CHOI Submitted to the O?ce of Graduate Studies of Texas A&M University...

Choi, Dae H.

2010-01-16T23:59:59.000Z

176

MSW/JD DUAL DEGREE PROGRAM 2014 -2015  

E-Print Network [OSTI]

1 MSW/JD DUAL DEGREE PROGRAM 2014 - 2015 Purpose The MSW/JD Dual degree Program is designed or constituencies. Students admitted to the program may expect to receive both the Master of Social Work (MSW in Appendix 1. 6. The integrity of both the MSW and the JD degrees is maintained in the following manner: a

Huang, Jianyu

177

MSW/JD DUAL DEGREE PROGRAM 2013 -2014  

E-Print Network [OSTI]

1 MSW/JD DUAL DEGREE PROGRAM 2013 - 2014 Purpose The MSW/JD Dual degree Program is designed or constituencies. Students admitted to the program may expect to receive both the Master of Social Work (MSW BCGSSW intervention method is described in Appendix 1. 6. The integrity of both the MSW and the JD

Huang, Jianyu

178

SINGLE AND DUAL LAYER THIN FILM BULGE TESTING  

E-Print Network [OSTI]

film windows that are used in Next Generation Lithography masks and certain MEMS devices. The bulge testing method measures the mechanical properties of a thin film by isolating it in a thin film window of the system. Figure 6 Dual Layer Thin Film Membrane Window For a dual layer membrane the effective total

Huston, Dryver R.

179

Evaluation of liquid lift approach to dual gradient  

E-Print Network [OSTI]

the mudline to the rig floor so as to maintain the bottom hole pressure. Several methods have been developed to achieve the dual gradient drilling principle. For this research project, we paid more attention to the liquid lift, dual gradient drilling (riser...

Okafor, Ugochukwu Nnamdi

2009-05-15T23:59:59.000Z

180

Evaluation of liquid lift approach to dual gradient drilling  

E-Print Network [OSTI]

the mudline to the rig floor so as to maintain the bottom hole pressure. Several methods have been developed to achieve the dual gradient drilling principle. For this research project, we paid more attention to the liquid lift, dual gradient drilling (riser...

Okafor, Ugochukwu Nnamdi

2008-10-10T23:59:59.000Z

Note: This page contains sample records for the topic "advanced sequential dual" 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

The SU(2) Confining Vacuum as a Dual Superconductor  

E-Print Network [OSTI]

We investigate the dual superconductivity hypothesis in pure SU(2) lattice gauge theory. We find evidence of the dual Meissner effect both in the maximally Abelian gauge and without gauge fixing. We also obtain a rather good extimation of the string tension using the value of the London penetration length.

Paolo Cea; Leonardo Cosmai

1995-09-08T23:59:59.000Z

182

ON ALTERNATE DUAL FRAMES JIMMY DILLIES AND JULIEN GIOL  

E-Print Network [OSTI]

ON ALTERNATE DUAL FRAMES JIMMY DILLIES AND JULIEN GIOL Abstract. The set of alternate duals convenient to introduce the projection pX : l2 (J) - Im X l2 (J) 1 #12;2 JIMMY DILLIES AND JULIEN GIOL onto

Dillies, Jimmy

183

Dual port temperature sensor tag for passive UHF RFID systems  

E-Print Network [OSTI]

Dual port temperature sensor tag for passive UHF RFID systems J. Virtanen Rauma Research Unit and to simplify the measurement procedure. Design/methodology/approach ­ The sensor tag is based on a dual port sensing concept in which two ports are used to obtain sensor readings. By utilizing two ports instead

Elsherbeni, Atef Z.

184

Dual-Phase Hot-Press Forming Alloy  

E-Print Network [OSTI]

of the fully martensitic alloys; In terms of uniform elongation, the dual­phase steel significantly outperformsDual-Phase Hot-Press Forming Alloy Hongliang Yi and H. K. D. H. Bhadeshia 23 April, 2010Non-propagating cracks in ferrite 840 oC 880 oC #12;Conclusion 6 · Conventional HPF steels: fully martensitic · Novel

Cambridge, University of

185

Metabolic complementarity and genomics of the dual bacterial symbiosis of sharpshooters  

E-Print Network [OSTI]

Metabolic Complementarity and Genomics of the Dual BacterialMetabolic complementarity and genomics of the dual bacterialthe other. ) Comparative genomics. The predicted proteomes

2006-01-01T23:59:59.000Z

186

Sequential FRET Processes in Calix[4]arene-Linked Orange-Red-Green Perylene Bisimide Dye Zigzag Arrays  

E-Print Network [OSTI]

Sequential FRET Processes in Calix[4]arene-Linked Orange-Red-Green Perylene Bisimide Dye Zigzag containing multiple chromophores that provide sequential energy transfer, and functional dye assemblies functional dyes aims at the defined spatial arrangement of multiple chromophores to ensure efficient

van Stokkum, Ivo

187

A&S/Business Dual Major 1 of 10 June 30, 2008 A&S/Business Dual Major  

E-Print Network [OSTI]

A&S/Business Dual Major 1 of 10 June 30, 2008 A&S/Business Dual Major Business Programs degree options for programs in business: · Students enrolled in the College of Business Administration (CBA) earn a Bachelor of Science in Business Administration (BSBA) degree and major in Accounting

Jiang, Huiqiang

188

advanced ceramics advanced: Topics by E-print Network  

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

. . . . 18 3.4.1 Heat Exchanger - Code description . . . . . . . . . . . . . . . 18 3.4.2 Simulation ResultsADVANCED POWER PLANT MODELING WITH APPLICATIONS TO THE ADVANCED BOILING...

189

Advanced Materials for Reversible Solid Oxide Fuel Cell (RSOFC), Dual Mode Operation with Low  

E-Print Network [OSTI]

, similar goals ­ cathode performance in electrolysis, best to worst, LSCF>LSF>LSM. ­ predict higher

190

Advanced Materials for Reversible Solid Oxide Fuel Cell (RSOFC), Dual Mode  

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 Rank EERE:YearRound-Up fromDepartment of EnergyAdministrative2 DOE2011 DOEOperation with Low Degradation

191

Draft Advanced Nuclear Energy Projects Solicitation | Department...  

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

Draft Advanced Nuclear Energy Projects Solicitation Draft Advanced Nuclear Energy Projects Solicitation INFORMATIONAL MATERIALS DRAFT ADVANCED NUCLEAR ENERGY PROJECTS SOLICITATION...

192

Fact Sheet: Energy Storage Technology Advancement Partnership...  

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

Technology Advancement Partnership (October 2012) Fact Sheet: Energy Storage Technology Advancement Partnership (October 2012) The Energy Storage Technology Advancement Partnership...

193

A Sequential Game Perspective and Optimization of the Smart Grid with Distributed Data Centers  

E-Print Network [OSTI]

by significantly increasing the load at locations where they are built. Dynamic energy pricing policies in the sequential games are the smart grid controller that sets the energy price signal and the cloud computing established a trend towards building massive, energy-hungry, and geographically distributed data centers. Due

Pedram, Massoud

194

Projected Sequential Gaussian Processes: A C++ tool for interpolation of large data sets with heterogeneous noise$  

E-Print Network [OSTI]

satellite-based sensors, aerial photography, large monitoring networks or large repositories of data in the underlying latent (not directly observed) process, as is commonly done in the data assimilation settingProjected Sequential Gaussian Processes: A C++ tool for interpolation of large data sets

Oakley, Jeremy

195

Calculating the nth voter utility under the infinite sequential voting with externalities model  

E-Print Network [OSTI]

the expected utility of each voter according to its place in the line of voters. The model is depictedCalculating the nth voter utility under the infinite sequential voting with externalities model has its own private preference, and some utility externalities. In this model, the voter prefers

Fiat, Amos

196

Sequential 2 -O-Methylation of Archaeal Pre-tRNATrp Nucleotides  

E-Print Network [OSTI]

Sequential 2 -O-Methylation of Archaeal Pre-tRNATrp Nucleotides Is Guided by the Intron -O-methyla- tion of nucleotides C34 and U39 followed by intron exci- sion. Positioning of the box C proteins. With both kinetic studies and single nucleotide substitutions of target and guide nucleotides, we

Maxwell, E. Stuart

197

Sequential fatty acid analysis of a peat core covering the last two millennia (Tritrivakely lake, Madagascar)  

E-Print Network [OSTI]

Sequential fatty acid analysis of a peat core covering the last two millennia (Tritrivakely lake, Universitť d'Orlťans, BP 6759, 45067 Orlťans Cedex 2, France Abstract Seven samples from a 1 m long peat core targets because of their dominant or even exclusive OM content, peat deposits have received relatively

Boyer, Edmond

198

Optimization of sequential attractor-based movement for compact behaviour generation  

E-Print Network [OSTI]

Optimization of sequential attractor-based movement for compact behaviour generation Marc Toussaint optimal robot motion based on a sequence of attractor dynamics in task space. This is motivated] ­ and by the need for compact movement representations on which efficient optimization can be performed. We

Toussaint, Marc

199

Synthesis of Sequential Circuits with Dynamic Power Harri Lensen, Margus Kruus, Alexander Sudnitson  

E-Print Network [OSTI]

reduction ≠ shutting down useless parts of a sequential circuit. This idea is known as power management Introduction At the elementary transistor gate level (CMOS technology), we can formulate total power to make no transitions, whenever the computation to be carried out at the next clock cycle is useless

Kruus, Margus

200

Towards Sequential StructureProcessing Learning: Simulation of Forgetting/Retrieving Algorithm  

E-Print Network [OSTI]

1 Towards Sequential Structure≠Processing Learning: Simulation of Forgetting/Retrieving Algorithm≠processing learning systems are one of the useful means for automatic knowledge acquisition, what is one of the fundamental components of expert systems. However, most recently developed learning systems have several

Franek, Frantisek

Note: This page contains sample records for the topic "advanced sequential dual" 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.


201

Towards Sequential Structure-Processing Learning: Simulation of Forgetting/Retrieving Algorithm  

E-Print Network [OSTI]

1 Towards Sequential Structure-Processing Learning: Simulation of Forgetting/Retrieving Algorithm-processing learning systems are one of the useful means for automatic knowledge acquisition, what is one of the fundamental components of expert systems. However, most recently developed learning systems have several

Franek, Frantisek

202

Cooperative Robust Sequential Detection Algorithms for Spectrum Sensing in Cognitive Radio  

E-Print Network [OSTI]

Cooperative Robust Sequential Detection Algorithms for Spectrum Sensing in Cognitive Radio Arun consider the problem of Spectrum Sensing in Cogni- tive Radio Networks. In our previous work we have algorithm. We also analyze these algorithms theoretically. Keywords-Cognitive Radio, Cooperative Spectrum

Sharma, Vinod

203

Active Learning via Sequential Design with Applications to Detection of Money Laundering  

E-Print Network [OSTI]

Active Learning via Sequential Design with Applications to Detection of Money Laundering Xinwei 28255 3 Corresponding author Abstract Money laundering is a process to conceal the true origin of funds agencies in a timely manner. However, detecting money laundering is not an easy job because of the huge

Deng, Xinwei

204

Deciding Unambiguity and Sequentiality from a Finitely Ambiguous MaxPlus Automaton  

E-Print Network [OSTI]

with multiplicities in the max­plus semiring R max = (R # {-#},max, +). Roughly speaking, it is an automaton with two tapes: an input tape labelled by a finite alphabet #, and an output tape weighted in R max . The weightDeciding Unambiguity and Sequentiality from a Finitely Ambiguous Max­Plus Automaton Ines Klimann

Fondements et Applications, Université Paris 7

205

Dual LED/incandescent security fixture  

DOE Patents [OSTI]

A dual LED and incandescent security lighting system uses a hybrid approach to LED illumination. It combines an ambient LED illuminator with a standard incandescent lamp on a motion control sensor. The LED illuminator will activate with the onset of darkness (daylight control) and typically remain on during the course of the night ("always on"). The LED illumination, typically amber, is sufficient to provide low to moderate level lighting coverage to the wall and ground area adjacent to and under the fixture. The incandescent lamp is integrated with a motion control circuit and sensor. When movement in the field of view is detected (after darkness), the incandescent lamp is switched on, providing an increased level of illumination to the area. Instead of an "always on" LED illuminator, the LEDs may also be switched off when the incandescent lamp is switched on.

Gauna, Kevin Wayne

2005-06-21T23:59:59.000Z

206

Dual liquid and gas chromatograph system  

DOE Patents [OSTI]

A chromatographic system that utilizes one detection system for gas chromatographic and micro-liquid chromatographic determinations. The detection system is a direct-current, atmospheric-pressure, helium plasma emission spectrometer. The detector utilizes a non-transparent plasma source unit which contains the plasma region and two side-arms which receive effluents from the micro-liquid chromatograph and the gas chromatograph. The dual nature of this chromatographic system offers: (1) extreme flexibility in the samples to be examined; (2) extremely low sensitivity; (3) element selectivity; (4) long-term stability; (5) direct correlation of data from the liquid and gas samples; (6) simpler operation than with individual liquid and gas chromatographs, each with different detection systems; and (7) cheaper than a commercial liquid chromatograph and a gas chromatograph.

Gay, Don D. (Aiken, SC)

1985-01-01T23:59:59.000Z

207

Dual-fueling turbocharged diesels with ethanol  

SciTech Connect (OSTI)

Spray addition and carburetion methods were tested for dual-fueling a turbocharged, 65 kW diesel tractor. Approximately 30 percent of the fuel energy for the tractor was supplied by spraying ethanol into the intake air and about 46 percent by carburetion with little affect on the engine thermal efficiency. Further substitution of diesel fuel with ethanol was limited by knock. As the amount of ethanol fed into the engine was increased, ignition apparently changed from the steady burning process which normally occurs in a diesel engine to a rapid explosion which caused knock. The best fuel for the spray approach was a 50 percent ethanol/water solution and with the carburetor it was an 80 percent ethanol/water solution. (Refs. 6).

Cruz, J.M.; Rotz, C.A.; Watson, D.H.

1982-09-01T23:59:59.000Z

208

Dual-fueling turbocharged diesels with ethanol  

SciTech Connect (OSTI)

Spray addition and carburetion methods were tested for dual-fueling a turbocharged, 65 kW diesel tractor. Approximately 30 percent of the fuel energy for the tractor was supplied by spraying ethanol into the intake air and about 46 percent by carburetion with little affect on the engine thermal efficiency. Further substitution of diesel fuel with ethanol was limited by knock. As the amount of ethanol fed into the engine was increased, ignition apparently changed from the steady burning process which normally occurs in a diesel engine to a rapid explosion which caused knock. The best fuel for the spray approach was a 50 percent ethanol/water solution and with the carburetor it was an 80 percent ethanol/water solution.

Cruz, J.M.; Rotz, C.A.; Watson, D.H.

1982-09-01T23:59:59.000Z

209

Dual-keel electrodynamic maglev system  

DOE Patents [OSTI]

A propulsion and stabilization system is disclosed with a plurality of superconducting magnetic devices affixed to the dual-keels of a vehicle, where the superconducting magnetic devices produce a magnetic field when energized. The system also includes a plurality of figure-eight shaped null-flux coils affixed to opposing vertical sides of slots in a guideway. The figure-eight shaped null-flux coils are vertically oriented, laterally cross-connected in parallel, longitudinally connected in series, and continue the length of the vertical slots providing levitation and guidance force. An external power source energizes the figure-eight shaped null-flux coils to create a magnetic traveling wave that interacts with the magnetic field produced by the superconducting magnets to impart motion to the vehicle. 6 figs.

He, J.L.; Wang, Z.; Rote, D.M.; Coffey, H.T.; Hull, J.R.; Mulcahy, T.M.; Cal, Y.

1996-12-24T23:59:59.000Z

210

Search Asia Advanced Search  

E-Print Network [OSTI]

Asia Times Search Asia Times Advanced Search Southeast Asia Malaysia tackles illegal logging:52:14 AM Search #12;Asia Times illegal logging," he said, adding that nine Malaysians had been arrested

211

Search Asia Advanced Search  

E-Print Network [OSTI]

Asia Times Search Asia Times Advanced Search Southeast Asia Indonesia looks to curb log smuggling.html (1 of 2)9/4/2007 12:59:34 PM Search #12;Asia Times No material from Asia Times Online may

212

Advanced Review Geometry optimization  

E-Print Network [OSTI]

Advanced Review Geometry optimization H. Bernhard Schlegel Geometry optimization is an important part of most quantum chemical calcu- lations. This article surveys methods for optimizing equilibrium geometries, lo- cating transition structures, and following reaction paths. The emphasis is on optimizations

Schlegel, H. Bernhard

213

Advanced Materials | More Science | ORNL  

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

Advanced Materials SHARE Advanced Materials ORNL has the nation's most comprehensive materials research program and is a world leader in research that supports the development of...

214

Renewable Chemicals and Advanced Biofuels  

Broader source: Energy.gov [DOE]

Afternoon Plenary Session: Current Trends in the Advanced Bioindustry Advanced Biofuels & PolicyóBrett Lund, Executive Vice President, General Counsel and Secretary, Gevo Inc.

215

Advancing Material Models for Automotive Forming Simulations  

SciTech Connect (OSTI)

Simulations in automotive industry need more advanced material models to achieve highly reliable forming and springback predictions. Conventional material models implemented in the FEM-simulation models are not capable to describe the plastic material behaviour during monotonic strain paths with sufficient accuracy. Recently, ESI and Corus co-operate on the implementation of an advanced material model in the FEM-code PAMSTAMP 2G. This applies to the strain hardening model, the influence of strain rate, and the description of the yield locus in these models. A subsequent challenge is the description of the material after a change of strain path.The use of advanced high strength steels in the automotive industry requires a description of plastic material behaviour of multiphase steels. The simplest variant is dual phase steel consisting of a ferritic and a martensitic phase. Multiphase materials also contain a bainitic phase in addition to the ferritic and martensitic phase. More physical descriptions of strain hardening than simple fitted Ludwik/Nadai curves are necessary.Methods to predict plastic behaviour of single-phase materials use a simple dislocation interaction model based on the formed cells structures only. At Corus, a new method is proposed to predict plastic behaviour of multiphase materials have to take hard phases into account, which deform less easily. The resulting deformation gradients create geometrically necessary dislocations. Additional micro-structural information such as morphology and size of hard phase particles or grains is necessary to derive the strain hardening models for this type of materials.Measurements available from the Numisheet benchmarks allow these models to be validated. At Corus, additional measured values are available from cross-die tests. This laboratory test can attain critical deformations by large variations in blank size and processing conditions. The tests are a powerful tool in optimising forming simulations prior to larger scale industrial validation.

Vegter, H.; An, Y.; Horn, C.H.L.J. ten; Atzema, E.H.; Roelofsen, M.E. [Corus Research Development and Technology, PO Box 10000, 1970 CA IJmuiden (Netherlands)

2005-08-05T23:59:59.000Z

216

EPA's research projects relating to the dual-circuit and Lorenz refrigerator/freezers  

SciTech Connect (OSTI)

At a meeting in February 1989, EPA presented to several research universities, national laboratories, and refrigerator/freezer (RF) manufacturers the Agency's desire to replace CFC-12 as a refrigerant in the RF vapor compression cycle and increase RF energy efficiency. EPA recognized that, while eliminating CFCs, energy benefits could be gained by further product development (e.g., improving compressor efficiency or heat transfer surface areas). The largest cycle energy gains, however, were expected to be a result of completely different vapor compression configuration. Two new vapor compression configurations were suggested by the participants - the Lorenz design and the dual-circuit design. A decision was made to construct and test modified RFs as proof that the advanced refrigerants and cycles could achieve energy gains. An RF computer model has been updated and expanded which can model both the Lorenz and dual-circuit RF. Modified RF testing and component testing in test stands is being performed to determine the increased energy performance of these configurations.

Bare, J.C. (Environmental Protection Agency, Research Triangle Park, NC (United States))

1992-01-01T23:59:59.000Z

217

Sensitivity improvement of a laser interferometer limited by inelastic back-scattering, employing dual readout  

E-Print Network [OSTI]

Inelastic back-scattering of stray light is a long-standing problem in high-sensitivity interferometric measurements and a potential limitation for advanced gravitational-wave detectors, in particular at sub-audio-band frequencies. The emerging parasitic interferences cannot be distinguished from a scientific signal via conventional single readout. In this work, we propose and demonstrate the subtraction of inelastic back-scatter signals by employing dual homodyne detection on the output light -- here -- of a table-top Michelson interferometer. The additional readout contains solely parasitic signals and is used to model the scatter source. Subtraction of the scatter signal reduces the noise spectral density and thus improves the measurement sensitivity. Our scheme is qualitatively different from the previously demonstrated vetoing of scatter signals and opens a new path for improving the sensitivity of future gravitational-wave detectors.

Meinders, Melanie

2015-01-01T23:59:59.000Z

218

GE, Aavid Commercialize Dual Cool Jets Technology | GE Global...  

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

market. GE's broad array of industrial businesses requires highly advanced and reliable electronics that are increasingly driving the need for advanced cooling solutions to...

219

Potential use of hollow spheres in dual gradient drilling  

E-Print Network [OSTI]

The increasing number of significant deepwater discoveries has pushed the operator and service oil companies to focus their efforts on developing new technologies to drill in deeper water. Dual gradient drilling (DGD) will allow reaching deeper...

Vera Vera, Liliana

2002-01-01T23:59:59.000Z

220

Optimization of a dual acting, magnetically driven, linear actuator  

E-Print Network [OSTI]

In this study the geometry of a dual acting, magnetically driven, linear motion actuator will be optimized. This will be accomplished by modeling the system through a set of differential equations to be solved in Matlab. An ANSYS finite element...

Willerton, Justin Ryan

2012-06-07T23:59:59.000Z

Note: This page contains sample records for the topic "advanced sequential dual" 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

York Electric Cooperative- Dual Fuel Heat Pump Rebate Program  

Broader source: Energy.gov [DOE]

York Electric Cooperative, Inc. (YEC) offers a $400 rebate to members who install a dual fuel heat pump in homes or businesses. The rebates are for primary residence and/or commercial and...

222

antigens confer dual: Topics by E-print Network  

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

to the variation of the process (temperature of austeno-ferritic heat. The dual-phase is a steel composed of ferrite and martensite phases. Each phase can be considered...

223

Ring Involutions and Self-Dual Codes Jay A. Wood  

E-Print Network [OSTI]

Ring Involutions and Self-Dual Codes Jay A. Wood Department of Mathematics Western Michigan University jay.wood@wmich.edu AMS meeting, Lexington, Kentucky March 27, 2010 #12;Acknowledgments Much

Wood, Jay

224

Stabilizing the dual inverted pendulum : a practical approach  

E-Print Network [OSTI]

A dual inverted pendulum system, consisting of two individual pendulums of different lengths on a single cart, was fully designed and implemented as a demonstration of classical control theory. This document contains an ...

Barton, Taylor Wallis

2008-01-01T23:59:59.000Z

225

Dual Superconductivity and Chiral Symmetry in Full QCD  

E-Print Network [OSTI]

A disorder parameter detecting dual superconductivity of the vacuum is measured across the chiral phase transition in full QCD with two flavours of dynamical staggered fermions. The observed behaviour is similar to the quenched case.

J. M. Carmona; M. D'Elia; L. Del Debbio; A. Di Giacomo; B. Lucini; G. Paffuti

2001-10-12T23:59:59.000Z

226

EIS-0228: Dual Axis Radiographic Hydrodynamic Test (DARHT) Facility  

Broader source: Energy.gov [DOE]

This EIS evaluates the potential environmental impact of a proposal to construct and operate the†Dual Axis Radiographic Hydrodynamic Test (DARHT) facility at Los Alamos National Laboratory (LANL)...

227

A Gravity Dual of Metastable Dynamical Supersymmetry Breaking  

SciTech Connect (OSTI)

Metastable, supersymmetry-breaking configurations can be created in flux geometries by placing antibranes in warped throats. Via gauge/gravity duality, such configurations should have an interpretation as supersymmetry-breaking states in the dual field theory. In this paper, we perturbatively determine the asymptotic supergravity solutions corresponding to D3-brane probes placed at the tip of the cascading warped deformed conifold geometry, which is dual to an SU(N+M) x SU(N) gauge theory. The backreaction of the antibranes has the effect of introducing imaginary anti-self-dual flux, squashing the compact part of the space and forcing the dilaton to run. Using the generalization of holographic renormalization to cascading geometries, we determine the expectation values of operators in the dual field theory in terms of the asymptotic values of the supergravity fields.

DeWolfe, Oliver; /Colorado U.; Kachru, Shamit; Mulligan, Michael; /Stanford U., Phys. Dept. /SLAC

2008-02-04T23:59:59.000Z

228

Recovery of primal solution in dual subgradient schemes  

E-Print Network [OSTI]

In this thesis, we study primal solutions for general optimization problems. In particular, we employ the subgradient method to solve the Lagrangian dual of a convex constrained problem, and use a primal-averaging scheme ...

Ma, Jing, S.M. Massachusetts Institute of Technology

2007-01-01T23:59:59.000Z

229

Dual Models of Permutation Problems Barbara M. Smith  

E-Print Network [OSTI]

Dual Models of Permutation Problems Barbara M. Smith School of Computing & Mathematics University of Huddersfield Huddersfield HD1 3DH, U.K. b.m.smith@hud.ac.uk Abstract. A constraint satisfaction problem

Smith, Barbara M.

230

CONVERGENCE RATE ANALYSIS OF PRIMAL-DUAL SPLITTING ...  

E-Print Network [OSTI]

Abstract. Primal-dual splitting schemes are a class of powerful algorithms ... this paper, we are mainly concerned with the line of work that began in [38, 14, 23].

2014-08-19T23:59:59.000Z

231

Multiplexing video streams using dual-frame video coding  

E-Print Network [OSTI]

novel idea for multiplexing video streams was to combine theLTR frames in dual-frame video coding with EqualSlope. T.Luthra, ďOverview of the H.264/AVC video coding standard,Ē

Tiwari, M; Groves, T; Cosman, P C

2008-01-01T23:59:59.000Z

232

apparent dual function: Topics by E-print Network  

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

Summary: Up till now primal-dual IPMs all use the Newton direction as the search ... in terms of the kernel function and its first and second derivative. .... outer iteration by...

233

Advanced Hydride Laboratory  

SciTech Connect (OSTI)

Metal hydrides have been used at the Savannah River Tritium Facilities since 1984. However, the most extensive application of metal hydride technology at the Savannah River Site is being planned for the Replacement Tritium Facility, a $140 million facility schedules for completion in 1990 and startup in 1991. In the new facility, metal hydride technology will be used to store, separate, isotopically purify, pump, and compress hydrogen isotopes. In support of the Replacement Tritium Facility, a $3.2 million, cold,'' process demonstration facility, the Advanced Hydride Laboratory began operation in November of 1987. The purpose of the Advanced Hydride Laboratory is to demonstrate the Replacement Tritium Facility's metal hydride technology by integrating the various unit operations into an overall process. This paper will describe the Advanced Hydride Laboratory, its role and its impact on the application of metal hydride technology to tritium handling.

Motyka, T.

1989-01-01T23:59:59.000Z

234

Advanced Hydride Laboratory  

SciTech Connect (OSTI)

Metal hydrides have been used at the Savannah River Tritium Facilities since 1984. However, the most extensive application of metal hydride technology at the Savannah River Site is being planned for the Replacement Tritium Facility, a $140 million facility schedules for completion in 1990 and startup in 1991. In the new facility, metal hydride technology will be used to store, separate, isotopically purify, pump, and compress hydrogen isotopes. In support of the Replacement Tritium Facility, a $3.2 million, ``cold,`` process demonstration facility, the Advanced Hydride Laboratory began operation in November of 1987. The purpose of the Advanced Hydride Laboratory is to demonstrate the Replacement Tritium Facility`s metal hydride technology by integrating the various unit operations into an overall process. This paper will describe the Advanced Hydride Laboratory, its role and its impact on the application of metal hydride technology to tritium handling.

Motyka, T.

1989-12-31T23:59:59.000Z

235

Advanced Vehicle Electrification and Transportation Sector Electrifica...  

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

More Documents & Publications Advanced Vehicle Electrification and Transportation Sector Electrification Advanced Vehicle Electrification & Transportation Sector...

236

The Philosophy and Feasibility of Dual Readout Calorimetry  

SciTech Connect (OSTI)

I will discuss the general physical ideas behind dual-readout calorimetry, their implementation in DREAM (Dual REAdout Module) with exact separation of scintillation and Cerenkov light, implementation with mixed light in DREAM fibers, anticipated implementation in PbWO4 crystals with applications to the 4th Concept detector and to CMS, use in high energy gamma-ray and cosmic ray astrophysics with Cerenkov and N2 fluorescent light, and implementation in the 4th Concept detector for muon identification.

Hauptman, John [Physics, Iowa State University, Ames IA 50011 (United States)

2006-10-27T23:59:59.000Z

237

Fuel cell having dual electrode anode or cathode  

DOE Patents [OSTI]

A fuel cell that is characterized by including a dual electrode anode that is operable to simultaneously electro-oxidize a gaseous fuel and a liquid fuel. In alternative embodiments, a fuel cell having a single electrode anode is provided with a dual electrode cathode that is operable to simultaneously reduce a gaseous oxidant and a liquid oxidant to electro-oxidize a fuel supplied to the cell.

Findl, E.

1984-04-10T23:59:59.000Z

238

The holographic dual of an EPR pair has a wormhole  

E-Print Network [OSTI]

We construct the holographic dual of two colored quasiparticles in maximally supersymmetric Yang-Mills theory entangled in a color singlet EPR pair. In the holographic dual the entanglement is encoded in a geometry of a non-traversable wormhole on the worldsheet of the flux tube connecting the pair. This gives a simple example supporting the recent claim by Maldacena and Susskind that EPR pairs and non-traversable wormholes are equivalent descriptions of the same physics.

Jensen, Kristan

2013-01-01T23:59:59.000Z

239

Fuel cell having dual electrode anode or cathode  

DOE Patents [OSTI]

A fuel cell that is characterized by including a dual electrode anode that is operable to simultaneously electro-oxidize a gaseous fuel and a liquid fuel. In alternative embodiments, a fuel cell having a single electrode anode is provided with a dual electrode cathode that is operable to simultaneously reduce a gaseous oxidant and a liquid oxidant to electro-oxidize a fuel supplied to the cell.

Findl, Eugene (Coram, NY)

1985-01-01T23:59:59.000Z

240

Advanced Optical Technologies  

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 InInformationCenterResearch Highlights MediaFuelAbout Us >Portal AdvancedAdvanced

Note: This page contains sample records for the topic "advanced sequential dual" 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

Dual Origin of Pairing in Nuclei  

E-Print Network [OSTI]

An essentially "complete" description of the low-energy nuclear structure of the superfluid nucleus $^{120}$Sn and of its odd-$A$ neighbors is provided by the observations carried out with the help of Coulomb excitation and of one-- and of two-- particle transfer reactions, specific probes of vibrations, quasiparticle and pairing degrees of freedom respectively, and of their mutual couplings. These experimental findings are used to stringently test the predictions of a similarly "complete" description of $^{119,120,121}$Sn carried out in terms of elementary modes of excitation which, through their interweaving, melt together into effective fields, each displaying properties reflecting that of all others, there individuality resulting from the actual relative importance of each one. Its implementation is done by solving the Nambu-Gor'kov equations including, for the first time, all medium polarization effects resulting from the interweaving of quasiparticles, spin and surface vibrations, taking into account, within the framework of nuclear field theory (NFT), the variety of processes leading to self-energy, vertex and Pauli principle corrections, and to the induced pairing interaction. Theory provides an overall quantitative account of the experimental findings. From these results one can, not only obtain strong circumstantial evidence for the inevitability for the dual origin of pairing in nuclei but also, extract information which can be used at profit to quantitatively disentangle the contributions to pairing correlations in general and to the pairing gap in particular, arising from the bare and from the induced pairing interactions.

A. Idini; G. Potel; F. Barranco; E. Vigezzi; R. A. Broglia

2014-04-29T23:59:59.000Z

242

Dual excitation acoustic paramagnetic logging tool  

DOE Patents [OSTI]

New methods and apparatus are disclosed which allow measurement of the presence of oil and water in geological formations using a new physical effect called the Acoustic Paramagnetic Logging Effect (APLE). The presence of petroleum in formation causes a slight increase in the earth's magnetic field in the vicinity of the reservoir. This is the phenomena of paramagnetism. Application of an acoustic source to a geological formation at the Larmor frequency of the nucleons present causes the paramagnetism of the formation to disappear. This results in a decrease in the earth's magnetic field in the vicinity of the oil bearing formation. Repetitively frequency sweeping the acoustic source through the Larmor frequency of the nucleons present (approx. 2 kHz) causes an amplitude modulation of the earth's magnetic field which is a consequence of the APLE. The amplitude modulation of the earth's magnetic field is measured with an induction coil gradiometer and provides a direct measure of the amount of oil and water in the excitation zone of the formation. The phase of the signal is used to infer the longitudinal relaxation times of the fluids present, which results in the ability in general to separate oil and water and to measure the viscosity of the oil present. Such measurements may be performed in open boreholes and in cased well bores. The Dual Excitation Acoustic Paramagnetic Logging Tool employing two acoustic sources is also described. 6 figs.

Vail, W.B. III.

1989-02-14T23:59:59.000Z

243

Dual mode stereotactic localization method and application  

DOE Patents [OSTI]

The invention described herein combines the structural digital X-ray image provided by conventional stereotactic core biopsy instruments with the additional functional metabolic gamma imaging obtained with a dedicated compact gamma imaging mini-camera. Before the procedure, the patient is injected with an appropriate radiopharmaceutical. The radiopharmaceutical uptake distribution within the breast under compression in a conventional examination table expressed by the intensity of gamma emissions is obtained for comparison (co-registration) with the digital mammography (X-ray) image. This dual modality mode of operation greatly increases the functionality of existing stereotactic biopsy devices by yielding a much smaller number of false positives than would be produced using X-ray images alone. The ability to obtain both the X-ray mammographic image and the nuclear-based medicine gamma image using a single device is made possible largely through the use of a novel, small and movable gamma imaging camera that permits its incorporation into the same table or system as that currently utilized to obtain X-ray based mammographic images for localization of lesions.

Keppel, Cynthia E. (Norfolk, VA); Barbosa, Fernando Jorge (Newport News, VA); Majewski, Stanislaw (Grafton, VA)

2002-01-01T23:59:59.000Z

244

Advanced fuel chemistry for advanced engines.  

SciTech Connect (OSTI)

Autoignition chemistry is central to predictive modeling of many advanced engine designs that combine high efficiency and low inherent pollutant emissions. This chemistry, and especially its pressure dependence, is poorly known for fuels derived from heavy petroleum and for biofuels, both of which are becoming increasingly prominent in the nation's fuel stream. We have investigated the pressure dependence of key ignition reactions for a series of molecules representative of non-traditional and alternative fuels. These investigations combined experimental characterization of hydroxyl radical production in well-controlled photolytically initiated oxidation and a hybrid modeling strategy that linked detailed quantum chemistry and computational kinetics of critical reactions with rate-equation models of the global chemical system. Comprehensive mechanisms for autoignition generally ignore the pressure dependence of branching fractions in the important alkyl + O{sub 2} reaction systems; however we have demonstrated that pressure-dependent 'formally direct' pathways persist at in-cylinder pressures.

Taatjes, Craig A.; Jusinski, Leonard E.; Zador, Judit; Fernandes, Ravi X.; Miller, James A.

2009-09-01T23:59:59.000Z

245

Sequential Attack with Intensity Modulation on the Differential-Phase-Shift Quantum Key Distribution Protocol  

E-Print Network [OSTI]

In this paper, we discuss the security of the differential-phase-shift quantum key distribution (DPSQKD) protocol by introducing an improved version of the so-called sequential attack, which was originally discussed by Waks et al. Our attack differs from the original form of the sequential attack in that the attacker Eve modulates not only the phases but also the amplitude in the superposition of the single-photon states which she sends to the receiver. Concentrating especially on the "discretized gaussian" intensity modulation, we show that our attack is more effective than the individual attack, which had been the best attack up to present. As a result of this, the recent experiment with communication distance of 100km reported by Diamanti et al. turns out to be insecure. Moreover it can be shown that in a practical experimental setup which is commonly used today, the communication distance achievable by the DPSQKD protocol is less than 95km.

Toyohiro Tsurumaru

2006-12-25T23:59:59.000Z

246

Direct and sequential radiative three-body reaction rates at low temperatures  

E-Print Network [OSTI]

We investigate the low-temperature reaction rates for radiative capture processes of three particles. We compare direct and sequential capture mechanisms and rates using realistic phenomenological parametrizations of the corresponding photodissociation cross sections.Energy conservation prohibits sequential capture for energies smaller than that of the intermediate two-body structure. A finite width or a finite temperature allows this capture mechanism. We study generic effects of positions and widths of two- and three-body resonances for very low temperatures. We focus on nuclear reactions relevant for astrophysics, and we illustrate with realistic estimates for the $\\alpha$-$\\alpha$-$\\alpha$ and $\\alpha$-$\\alpha$-$n$ radiative capture processes. The direct capture mechanism leads to reaction rates which for temperatures smaller than 0.1 GK can be several orders of magnitude larger than those of the NACRE compilation.

E. Garrido; R. de Diego; D. V. Fedorov; A. S. Jensen

2011-08-24T23:59:59.000Z

247

Deciding Unambiguity and Sequentiality from a Finitely Ambiguous MaxPlus Automaton  

E-Print Network [OSTI]

¬≠anneau max¬≠plus. Le r‚??esultat principal est le suivant : on peut d‚??ecider si une s‚??erie reconnue par unDeciding Unambiguity and Sequentiality from a Finitely Ambiguous Max¬≠Plus Automaton Ines Klimann with weights in the max¬≠plus semiring are considered. The main result is: it is decidable whether a series

Fondements et Applications, Université Paris 7

248

DYNAMIC ANALYSIS OF THE BULK TRITIUM SHIPPING PACKAGE SUBJECTED TO CLOSURE TORQUES AND SEQUENTIAL IMPACTS  

SciTech Connect (OSTI)

This paper presents a finite-element technique to simulate the structural responses and to evaluate the cumulative damage of a radioactive material packaging requiring bolt closure-tightening torque and subjected to the scenarios of the Hypothetical Accident Conditions (HAC) defined in the Code of Federal Regulations Title 10 part 71 (10CFR71). Existing finite-element methods for modeling closure stresses from bolt pre-load are not readily adaptable to dynamic analyses. The HAC events are required to occur sequentially per 10CFR71 and thus the evaluation of the cumulative damage is desirable. Generally, each HAC event is analyzed separately and the cumulative damage is partially addressed by superposition. This results in relying on additional physical testing to comply with 10CFR71 requirements for assessment of cumulative damage. The proposed technique utilizes the combination of kinematic constraints, rigid-body motions and structural deformations to overcome some of the difficulties encountered in modeling the effect of cumulative damage. This methodology provides improved numerical solutions in compliance with the 10CFR71 requirements for sequential HAC tests. Analyses were performed for the Bulk Tritium Shipping Package (BTSP) designed by Savannah River National Laboratory to demonstrate the applications of the technique. The methodology proposed simulates the closure bolt torque preload followed by the sequential HAC events, the 30-foot drop and the 30-foot dynamic crush. The analytical results will be compared to the package test data.

Wu, T; Paul Blanton, P; Kurt Eberl, K

2007-07-09T23:59:59.000Z

249

Arnold Schwarzenegger ADVANCEMENT OF  

E-Print Network [OSTI]

Arnold Schwarzenegger Governor ADVANCEMENT OF ELECTROCHROMIC WINDOWS Prepared For: California the time to provide insightful technical and market-related input into the direction of this R&D: Carl Mechoshade Systems, Inc. Grant Brohard Pacific Gas & Electric Company Charles Hayes SAGE Electrochromics, Inc

250

Advanced fossil energy utilization  

SciTech Connect (OSTI)

This special issue of Fuel is a selection of papers presented at the symposium ĎAdvanced Fossil Energy Utilizationí co-sponsored by the Fuels and Petrochemicals Division and Research and New Technology Committee in the 2009 American Institute of Chemical Engineers (AIChE) Spring National Meeting Tampa, FL, on April 26Ė30, 2009.

Shekhawat, D.; Berry, D.; Spivey, J.; Pennline, H.; Granite, E.

2010-01-01T23:59:59.000Z

251

Standard version Advanced version  

E-Print Network [OSTI]

Minimum octane 8.5 7 4.5 To produce these products, Margaret purchases crude oil at a price of £11 per version Margaret Oil - basic (2) Before crude can be used to produce products for sale, it must version Advanced version Margaret Oil - basic (3) Crude Distill Naphtha Gasoline Distilled 1 Jet fuel

Hall, Julian

252

Advanced Test Reactor Tour  

SciTech Connect (OSTI)

The Advanced Test Reactor at Idaho National Laboratory is the foremost nuclear materials test reactor in the world. This virtual tour describes the reactor, how experiments are conducted, and how spent nuclear fuel is handled and stored. For more information about INL research, visit http://www.facebook.com/idahonationallaboratory.

Miley, Don

2011-01-01T23:59:59.000Z

253

Advanced Test Reactor Tour  

ScienceCinema (OSTI)

The Advanced Test Reactor at Idaho National Laboratory is the foremost nuclear materials test reactor in the world. This virtual tour describes the reactor, how experiments are conducted, and how spent nuclear fuel is handled and stored. For more information about INL research, visit http://www.facebook.com/idahonationallaboratory.

Miley, Don

2013-05-28T23:59:59.000Z

254

International for Advanced Studies  

E-Print Network [OSTI]

and Technology at the University of Ulm ICAS-Affiliations The International Center for Advanced Studies in Health in medical technology and pharma- ceutical industry. The International Advisory Panel of ICAS consists, transfer of state-of-the-art clinical technologies, and utilization of methodologies appropriate

Pfeifer, Holger

255

Advanced Biotechnology and Medicine  

E-Print Network [OSTI]

, Training and Technology Transfer 43 Lectures and Seminars 44 CABM Lecture Series 45 Annual Retreat 46 15th An Advanced Technology Center of The New Jersey Commission on Science and Technology Jointly Administered from CABM laboratories have appeared in high impact international journals including Development, Genes

256

Advanced Biotechnology and Medicine  

E-Print Network [OSTI]

Shatkin 41 Education, Training and Technology Transfer 43 Lectures and Seminars 44 CABM Lecture Series 45 An Advanced Technology Center of The New Jersey Commission on Science and Technology Jointly Administered for the improvement of human health. In 2002 peer-reviewed CABM studies were published in leading international

257

Advanced Biotechnology and Medicine  

E-Print Network [OSTI]

Vikas Nanda 63 Protein Crystallography Ann Stock 67 Education, Training and Technology Transfer 71 Report An Advanced Technology Center of the New Jersey Commission on Science and Technology Jointly, the CIPR will house the Rutgers-based Protein Data Bank (PDB), an international repository directed

258

Herty Advanced Materials Development Center  

Broader source: Energy.gov [DOE]

Session 1-B: Advancing Alternative Fuels for the Military and Aviation Sector Breakout Session 1: New Developments and Hot Topics Jill Stuckey, Acting Director, Herty Advanced Materials Development Center

259

Search Advanced Search Home > News  

E-Print Network [OSTI]

Search Advanced Search Home > News [-] Text [+] Email Print tweet 0 tweets RSS Feeds Newsletters with bodily tissues, "these approaches might have the potential to redefine design strategies for advanced

Rogers, John A.

260

Advanced Technology Vehicle Testing  

SciTech Connect (OSTI)

The goal of the U.S. Department of Energy's Advanced Vehicle Testing Activity (AVTA) is to increase the body of knowledge as well as the awareness and acceptance of electric drive and other advanced technology vehicles (ATV). The AVTA accomplishes this goal by testing ATVs on test tracks and dynamometers (Baseline Performance testing), as well as in real-world applications (Fleet and Accelerated Reliability testing and public demonstrations). This enables the AVTA to provide Federal and private fleet managers, as well as other potential ATV users, with accurate and unbiased information on vehicle performance and infrastructure needs so they can make informed decisions about acquiring and operating ATVs. The ATVs currently in testing include vehicles that burn gaseous hydrogen (H2) fuel and hydrogen/CNG (H/CNG) blended fuels in internal combustion engines (ICE), and hybrid electric (HEV), urban electric, and neighborhood electric vehicles. The AVTA is part of DOE's FreedomCAR and Vehicle Technologies Program.

James Francfort

2004-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "advanced sequential dual" 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

Advanced Separation Consortium  

SciTech Connect (OSTI)

The Center for Advanced Separation Technologies (CAST) was formed in 2001 under the sponsorship of the US Department of Energy to conduct fundamental research in advanced separation and to develop technologies that can be used to produce coal and minerals in an efficient and environmentally acceptable manner. The CAST consortium consists of seven universities - Virginia Tech, West Virginia University, University of Kentucky, Montana Tech, University of Utah, University of Nevada-Reno, and New Mexico Tech. The consortium brings together a broad range of expertise to solve problems facing the US coal industry and the mining sector in general. At present, a total of 60 research projects are under way. The article outlines some of these, on topics including innovative dewatering technologies, removal of mercury and other impurities, and modelling of the flotation process. 1 photo.

NONE

2006-01-01T23:59:59.000Z

262

Dynamic simulation of dual-speed wind turbine generation  

SciTech Connect (OSTI)

Induction generators have been used since the early development of utility-scale wind turbine generation. An induction generator is the generator of choice because of its ruggedness, and low cost. With an induction generator, the operating speed of the wind turbine is limited to a narrow range (almost constant speed). Dual- speed operation can be accomplished by using an induction generator with two different sets of winding configurations or by using two induction generators with two different rated speeds. With single- speed operation, the wind turbine operates at different power coefficients (Cp) as the wind speed varies. The operation at maximum Cp can occur only at a single wind speed. However, if the wind speed varies across a wider range, the operating Cp will vary significantly. Dual-speed operation has the advantage of enabling the wind turbine to operate at near maximum Cp over a wider range of wind-speeds. Thus, annual energy production can be increased. The dual-speed mode may generate less energy than a variable-speed mode; nevertheless, it offers an alternative to capture more energy than single-speed operation. In this paper, dual-speed operation of a wind turbine will be investigated. One type of control algorithm for dual- speed operation is proposed. Results from a dynamic simulation will be presented to show how the control algorithm works and how power, current and torque of the system vary as the wind turbine is exposed to varying wind speeds.

Muljadi, E.; Butterfield, C.P.

1996-10-01T23:59:59.000Z

263

The Chern-Simons term in a dual Josephson junction  

E-Print Network [OSTI]

A dual Josephson junction corresponding to a (2+1)-dimensional non-superconducting layer sandwiched between two (3+1)-dimensional dual superconducting regions constitutes a model of localization of a U(1) gauge field within the layer. Monopole tunneling currents flow from one dual superconducting region to another due to a phase difference between the wave functions of the monopole condensate below and above the non-superconducting layer when there is an electromagnetic field within the layer. These magnetic currents appear within the (2+1)-dimensional layer as a gas of magnetic instanton events and a weak electric charge confinement is expected to take place at very long distances within the layer. In the present work, we consider what happens when one introduces fermions in this physical scenario. Due to the dual Meissner effect featured in the dual superconducting bulk, it is argued that unconfined fermions would be localized within the (2+1)-dimensional layer, where their quantum fluctuations radiatively induce a Chern-Simons term, which is known to destroy the electric charge confinement and to promote the confinement of the magnetic instantons.

L. S. Grigorio; M. S. Guimaraes; R. Rougemont; C. Wotzasek; C. A. D. Zarro

2013-08-27T23:59:59.000Z

264

The Chern-Simons term in a dual Josephson junction  

E-Print Network [OSTI]

A dual Josephson junction corresponding to a (2+1)-dimensional non-superconducting layer sandwiched between two (3+1)-dimensional dual superconducting regions constitutes a model of localization of a U(1) gauge field within the layer. Monopole tunneling currents flow from one dual superconducting region to another due to a phase difference between the wave functions of the monopole condensate below and above the non-superconducting layer. These magnetic currents appear within the (2+1)-dimensional layer as a gas of magnetic instanton events and a weak electric charge confinement is expected to take place at very long distances within the layer. In the present work, we consider what happens when one introduces fermions in this physical scenario. Due to the dual Meissner effect featured in the dual superconducting bulk, it is argued that unconfined fermions would be localized within the (2+1)-dimensional layer, where their quantum fluctuations radiatively induce a Chern-Simons term, which is known to destroy th...

Grigorio, L S; Rougemont, R; Wotzasek, C; Zarro, C A D

2013-01-01T23:59:59.000Z

265

Advanced Photon Source Upgrade Project  

ScienceCinema (OSTI)

Upgrade to Advanced Photon Source announced by Department Of Energy. Read more: http://go.usa.gov/ivZ

Mitchell, John; Gibson, Murray; Young, Linda; Joachimiak, Andrzej

2013-04-19T23:59:59.000Z

266

Advanced Polymer Processing Facility  

SciTech Connect (OSTI)

Some conclusions of this presentation are: (1) Radiation-assisted nanotechnology applications will continue to grow; (2) The APPF will provide a unique focus for radiolytic processing of nanomaterials in support of DOE-DP, other DOE and advanced manufacturing initiatives; (3) {gamma}, X-ray, e-beam and ion beam processing will increasingly be applied for 'green' manufacturing of nanomaterials and nanocomposites; and (4) Biomedical science and engineering may ultimately be the biggest application area for radiation-assisted nanotechnology development.

Muenchausen, Ross E. [Los Alamos National Laboratory

2012-07-25T23:59:59.000Z

267

ADVANCED CHEMISTRY BASINS MODEL  

SciTech Connect (OSTI)

The advanced Chemistry Basin Model project has been operative for 48 months. During this period, about half the project tasks are on projected schedule. On average the project is somewhat behind schedule (90%). Unanticipated issues are causing model integration to take longer then scheduled, delaying final debugging and manual development. It is anticipated that a short extension will be required to fulfill all contract obligations.

William Goddard III; Lawrence Cathles III; Mario Blanco; Paul Manhardt; Peter Meulbroek; Yongchun Tang

2004-05-01T23:59:59.000Z

268

Advanced Materials Manufacturing | ORNL  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the BuildingInnovation Portal Advanced Material

269

Electrodeposition, characterization and morphological investigations of NiFe/Cu multilayers prepared by pulsed galvanostatic, dual bath technique  

SciTech Connect (OSTI)

NiFe/Cu multilayers were grown sequentially by pulsed electrodeposition on copper (Cu) substrates. The layers were prepared in galvanostatic mode using a dual bath technique. The morphology, thickness, roughness and composition of the layers were studied using scanning electron microscopy, scanning transmission electron microscopy with energy dispersive X-ray spectroscopy, X-ray diffraction and atomic force microscopy. Analysis showed that the resulting multilayers were continuous layers with a root mean square roughness of 30 nm and a grain size of 20-60 nm. The Cu substrate and the electrodeposited Cu layer were preferentially (200) oriented while the NiFe layers were polycrystalline but with a preferred (200) texture. The thinnest multilayers produced were 20/40, NiFe/Cu, respectively. - Research Highlights: {yields} Thin MLs of Cu and Py can be ED utilizing a pulsed-galvanostatic, DBT. {yields} The resulting multilayers were continuous layers with an rms of 30 nm. {yields} The smallest average thickness achieved by DBT was 40 nm/20 nm for Cu/NiFe.

Esmaili, S., E-mail: esmaili@shiraz.ac.ir [Department of Material Science and Engineering, Shiraz University, Shiraz (Iran, Islamic Republic of); Bahrololoom, M.E. [Department of Material Science and Engineering, Shiraz University, Shiraz (Iran, Islamic Republic of); Kavanagh, K.L. [Department of Physics, Simon Fraser University, Burnaby, British Colombia (Canada)

2011-02-15T23:59:59.000Z

270

Advanced Microturbine Systems  

SciTech Connect (OSTI)

Dept. of Energy (DOE) Cooperative Agreement DE-FC02-00-CH11061 was originally awarded to Honeywell International, Inc. ‚?? Honeywell Power Systems Inc. (HPSI) division located in Albuquerque, NM in October 2000 to conduct a program titled Advanced Microturbine Systems (AMS). The DOE Advanced Microturbines Systems Program was originally proposed as a five-year program to design and develop a high efficiency, low emissions, durable microturbine system. The period of performance was to be October 2000 through September 2005. Program efforts were underway, when one year into the program Honeywell sold the intellectual property of Honeywell Power Systems Inc. and HPSI ceased business operations. Honeywell made an internal decision to restructure the existing program due to the HPSI shutdown and submitted a formal request to DOE on September 24, 2001 to transfer the Cooperative Agreement to Honeywell Engines, Systems and Services (HES&S) in Phoenix, AZ in order to continue to offer support for DOE's Advanced Microturbine Program. Work continued on the descoped program under Cooperative Agreement No. DE-FC26-00-CH11061 and has been completed.

None

2005-12-31T23:59:59.000Z

271

Advanced Technology Vehicle Testing  

SciTech Connect (OSTI)

The light-duty vehicle transportation sector in the United States depends heavily on imported petroleum as a transportation fuel. The Department of Energyís Advanced Vehicle Testing Activity (AVTA) is testing advanced technology vehicles to help reduce this dependency, which would contribute to the economic stability and homeland security of the United States. These advanced technology test vehicles include internal combustion engine vehicles operating on 100% hydrogen (H2) and H2CNG (compressed natural gas) blended fuels, hybrid electric vehicles, neighborhood electric vehicles, urban electric vehicles, and electric ground support vehicles. The AVTA tests and evaluates these vehicles with closed track and dynamometer testing methods (baseline performance testing) and accelerated reliability testing methods (accumulating lifecycle vehicle miles and operational knowledge within 1 to 1.5 years), and in normal fleet environments. The Arizona Public Service Alternative Fuel Pilot Plant and H2-fueled vehicles are demonstrating the feasibility of using H2 as a transportation fuel. Hybrid, neighborhood, and urban electric test vehicles are demonstrating successful applications of electric drive vehicles in various fleet missions. The AVTA is also developing electric ground support equipment (GSE) test procedures, and GSE testing will start during the fall of 2003. All of these activities are intended to support U.S. energy independence. The Idaho National Engineering and Environmental Laboratory manages these activities for the AVTA.

James Francfort

2003-11-01T23:59:59.000Z

272

Advanced Energy Design Guides | Department of Energy  

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

Advanced Energy Design Guides Advanced Energy Design Guides EERE Building Technologies Program - This fact sheet discusses the Advanced Energy Design Guides (AEDGs) and how they...

273

EFFECT OF VANADIUM ON STRUCTURE-PROPERTY RELATIONS OF DUAL PHASE Fe/Mn/Si/0.lC STEELS  

E-Print Network [OSTI]

Formable HSLA and Dual Phase Steels, Proceedings of AIME,and Properties of Dual Phase Steels, Proceedings of Aifv1E,in intercritically annealed dual phase steels. Many of the

Nakagawa, Alvin

2014-01-01T23:59:59.000Z

274

Dual-Fuel Truck Fleet: Start-Up Experience  

SciTech Connect (OSTI)

Although dual-fuel engine technology has been in development and limited use for several years, it has only recently moved toward full-scale operational capability for heavy-duty truck applications. Unlike a bifuel engine, which has two separate fuel systems that are used one at a time, a dual-fuel engine uses two fuel systems simultaneously. One of California's South Coast Air Quality Management District (SCAQMD) current programs is a demonstration of dual-fuel engine technology in heavy-duty trucks. These trucks are being studied as part of the National Renewable Energy Laboratory's (NREL's) Alternative Fuel Truck Program. This report describes the start-up experience from the program.

NREL

1998-09-30T23:59:59.000Z

275

Dual -1 Hahn polynomials: "classical" polynomials beyond the Leonard duality  

E-Print Network [OSTI]

We introduce the -1 dual Hahn polynomials through an appropriate $q \\to -1$ limit of the dual q-Hahn polynomials. These polynomials are orthogonal on a finite set of discrete points on the real axis, but in contrast to the classical orthogonal polynomials of the Askey scheme, the -1 dual Hahn polynomials do not exhibit the Leonard duality property. Instead, these polynomials satisfy a 4-th order difference eigenvalue equation and thus possess a bispectrality property. The corresponding generalized Leonard pair consists of two matrices $A,B$ each of size $N+1 \\times N+1$. In the eigenbasis where the matrix $A$ is diagonal, the matrix $B$ is 3-diagonal; but in the eigenbasis where the matrix $B$ is diagonal, the matrix $A$ is 5-diagonal.

Tsujimoto, Satoshi; Zhedanov, Alexei

2011-01-01T23:59:59.000Z

276

Geometry of the smooth dual of GL(n).  

E-Print Network [OSTI]

Let A(n) be the smooth dual of the p-adic group G=GL(n). We create on A(n) the structure of a complex algebraic variety. There is a morphism of A(n) onto the Bernstein variety Omega G which is injective on each component of A(n). The tempered dual of G is a deformation retract of A(n). The periodic cyclic homology of the Hecke algebra of G is isomorphic to the periodised de Rham cohomology supported on finitely many components of A(n).

Jacek Brodzki; Roger Plymen

277

Radiation detection method and system using the sequential probability ratio test  

DOE Patents [OSTI]

A method and system using the Sequential Probability Ratio Test to enhance the detection of an elevated level of radiation, by determining whether a set of observations are consistent with a specified model within a given bounds of statistical significance. In particular, the SPRT is used in the present invention to maximize the range of detection, by providing processing mechanisms for estimating the dynamic background radiation, adjusting the models to reflect the amount of background knowledge at the current point in time, analyzing the current sample using the models to determine statistical significance, and determining when the sample has returned to the expected background conditions.

Nelson, Karl E. (Livermore, CA); Valentine, John D. (Redwood City, CA); Beauchamp, Brock R. (San Ramon, CA)

2007-07-17T23:59:59.000Z

278

Adjoint-based predictor-corrector sequential convex programming for parametric nonlinear optimization  

E-Print Network [OSTI]

This paper proposes an algorithmic framework for solving parametric optimization problems which we call adjoint-based predictor-corrector sequential convex programming. After presenting the algorithm, we prove a contraction estimate that guarantees the tracking performance of the algorithm. Two variants of this algorithm are investigated. The first one can be used to solve nonlinear programming problems while the second variant is aimed to treat online parametric nonlinear programming problems. The local convergence of these variants is proved. An application to a large-scale benchmark problem that originates from nonlinear model predictive control of a hydro power plant is implemented to examine the performance of the algorithms.

Dinh, Q Tran; Diehl, M

2011-01-01T23:59:59.000Z

279

Using Advanced Scientific Diving Technologies to Assess the Underwater Environment  

SciTech Connect (OSTI)

Scientific diving can provide unique information for addressing complex environmental issues in the marine environment and is applied to a variety of increasingly important issues throughout Puget Sound, including habitat degradation, endangered species, biological availability of contaminants, and the effects of overwater structures and shoreline protection features. The Pacific Northwest National Laboratory, Battelle Marine Sciences Laboratory uses trained scientific divers in conjunction with advanced technologies to collect in-situ information best obtained through direct observation and requiring minimal environmental disturbance. For example, advances in underwater communications allow divers to discuss observations and data collection techniques in real time, both with each other and with personnel on the surface. Other examples include the use of Dual frequency IDentification SONar (DIDSON), an underwater camera used to capture digital images of benthic structures, fish, and organisms during low light and high turbidity levels; the use of voice-narrated underwater video; and the development of sediment collection methods yielding one-meter cores. The combination of using trained scientific SCUBA divers and advanced underwater technologies is a key element in addressing multifaceted environmental problems, resulting in a more comprehensive understanding of the underwater environment and more reliable data with which to make resource management decisions.

Southard, John A.; Williams, Greg D.; Sargeant, Susan L.; Diefenderfer, Heida L.; Blanton, Michael L.

2003-03-31T23:59:59.000Z

280

An evaluation of subsea pump technologies that can be used to achieve dual gradient drilling  

E-Print Network [OSTI]

Dual Gradient Drilling is an exciting technology which promises to solve the current technical hurdles and economic risks of Deepwater Drilling. Several techniques for Dual Gradient Drilling have been proposed to the industry. One such method...

Oluwadairo, Tolulope

2009-05-15T23:59:59.000Z

Note: This page contains sample records for the topic "advanced sequential dual" 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

Variable Speed Drive (VSD) Applications in Dual-Duct Constant Volume Systems  

E-Print Network [OSTI]

Models have been developed for static pressure and potential supply fan energy savings by using variable speed drive (VSD) in dual-duct constant volume systems. Experiments have been performed using a full size dual-duct constant volume system...

Joo, I.; Liu, M.; Conger, K.; Wang, G.

2002-01-01T23:59:59.000Z

282

Solution of symmetry equation and hierarchy of self dual Yang-Mills systems  

E-Print Network [OSTI]

The solution of symmetry equation of Yang-Mills self dual system is found in explicit form of its raising Hamiltonian operator. Thus explicit form of equations of self dual Yang Mills hierarchy is constructed.

A. N. Leznov

2008-02-11T23:59:59.000Z

283

DESIGN OF DUAL PHASE Fe/Mn/C STEEL FOR LOW TEMPERATURE APPLICATION  

E-Print Network [OSTI]

and Properties of Dual- Phase Steels, R. A. Kot and J. \\4.Properties of Dual Phase Steels, R. A. Kot and J. W. ~lorrisand Hardenability in Steels, Symp. ASt~. ~. Garvey, Trans.

Kim, Nack-Joon

2013-01-01T23:59:59.000Z

284

ADVANCED SULFUR CONTROL CONCEPTS  

SciTech Connect (OSTI)

Conventional sulfur removal in integrated gasification combined cycle (IGCC) power plants involves numerous steps: COS (carbonyl sulfide) hydrolysis, amine scrubbing/regeneration, Claus process, and tail-gas treatment. Advanced sulfur removal in IGCC systems involves typically the use of zinc oxide-based sorbents. The sulfides sorbent is regenerated using dilute air to produce a dilute SO{sub 2} (sulfur dioxide) tail gas. Under previous contracts the highly effective first generation Direct Sulfur Recovery Process (DSRP) for catalytic reduction of this SO{sub 2} tail gas to elemental sulfur was developed. This process is currently undergoing field-testing. In this project, advanced concepts were evaluated to reduce the number of unit operations in sulfur removal and recovery. Substantial effort was directed towards developing sorbents that could be directly regenerated to elemental sulfur in an Advanced Hot Gas Process (AHGP). Development of this process has been described in detail in Appendices A-F. RTI began the development of the Single-step Sulfur Recovery Process (SSRP) to eliminate the use of sorbents and multiple reactors in sulfur removal and recovery. This process showed promising preliminary results and thus further process development of AHGP was abandoned in favor of SSRP. The SSRP is a direct Claus process that consists of injecting SO{sub 2} directly into the quenched coal gas from a coal gasifier, and reacting the H{sub 2}S-SO{sub 2} mixture over a selective catalyst to both remove and recover sulfur in a single step. The process is conducted at gasifier pressure and 125 to 160 C. The proposed commercial embodiment of the SSRP involves a liquid phase of molten sulfur with dispersed catalyst in a slurry bubble-column reactor (SBCR).

Apostolos A. Nikolopoulos; Santosh K. Gangwal; William J. McMichael; Jeffrey W. Portzer

2003-01-01T23:59:59.000Z

285

Advanced Technology Vehicle Lab Benchmarking - Level 1  

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

- 7 speed dual clutch transmissions Jetta TDI (bio-fuels) Ford TADA PHEV Supplier BEV prototype BEV Tesla Hydrogen Fuel cell Hydrogen internal combustion engine ANL PHEV prototype...

286

Horizontal Advanced Tensiometer  

DOE Patents [OSTI]

An horizontal advanced tensiometer is described that allows the monitoring of the water pressure of soil positions, particularly beneath objects or materials that inhibit the use of previous monitoring wells. The tensiometer includes a porous cup, a pressure transducer (with an attached gasket device), an adaptive chamber, at least one outer guide tube which allows access to the desired horizontal position, a transducer wire, a data logger and preferably an inner guide tube and a specialized joint which provides pressure on the inner guide tube to maintain the seal between the gasket of the transducer and the adaptive chamber.

Hubbell, Joel M.; Sisson, James B.

2004-06-22T23:59:59.000Z

287

Advanced Manufacture of Reflectors  

Broader source: Energy.gov [DOE]

The Advance Manufacture of Reflectors fact sheet describes a SunShot Initiative project being conducted research team led by the University of Arizona, which is working to develop a novel method for shaping float glass. The technique developed by this research team can drastically reduce the time required for the shaping step. By enabling mass production of solar concentrating mirrors at high speed, this project should lead to improved performance and as much as a 40% reduction in manufacturing costs for reflectors made in very high volume.

288

Advanced Manufacturing Office Overview  

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

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) "ofEarly Career Scientists' ResearchThe Office ofReporting (Connecticut)41AdamEnergyAdvanced DOE Workshop:

289

Advanced Materials | ORNL  

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 InInformationCenterResearch Highlights MediaFuelAbout Us >Portal Advanced

290

Advanced Feedstock Supply System  

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 Rank EERE:YearRound-Up fromDepartment of EnergyAdministrative2 DOE Hydrogen andEnzymeAdvanced Feedstock

291

Advanced Simulation Capability  

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 EngineeringDepartment of EnergyAbout UsAdvanced Modeling &NuclearNewsletter3

292

Advanced Simulation Capability  

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 EngineeringDepartment of EnergyAbout UsAdvanced Modeling

293

Advanced Simulation Capability  

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 EngineeringDepartment of EnergyAbout UsAdvanced Modeling2 Annual Report

294

Advanced Simulation Capability for  

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 EngineeringDepartment of EnergyAbout UsAdvanced Modeling2 Annual Reportfor

295

Geothermal: Advanced Search  

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-SeriesFlickr Flickr Editor'sshortGeothermal Heat Pumps GeothermalAdvanced Search

296

Advanced Conversion Roadmap Workshop  

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 Rank EERE:Year in Review: Top Five EERE Blog Posts1-034 Advance Patent WaiverLeslie Pezzullo Office of the

297

Advanced Combustion FAQs  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the Building TechnologiesS1!4T opAddress:AdolphusAdvanced

298

Advanced Photon Source  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the BuildingInnovation Portal AdvancedMethods Home Group Members

299

Advanced Photon Source  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the BuildingInnovation Portal AdvancedMethods Home Group

300

Advanced Photon Source  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the BuildingInnovation Portal AdvancedMethods Home GroupISM Day -

Note: This page contains sample records for the topic "advanced sequential dual" 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

Advanced Photon Source  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the BuildingInnovation Portal AdvancedMethods Home GroupISM Day

302

Advanced Photon Source  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the BuildingInnovation Portal AdvancedMethods Home GroupISM Day0

303

Advanced Rooftop Unit Control  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the BuildingInnovation Portal AdvancedMethodsServices ¬Ľ

304

Advanced Studies Institute  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the BuildingInnovation PortalScience of Signatures Advanced

305

Advanced Target Effects Modeling  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the BuildingInnovation PortalScience of SignaturesAdvanced Target

306

Advanced Ultraviolet Spectroradiometer  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the BuildingInnovation PortalScience ofTechnologyMoreAdvanced

307

AdvAnced  

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

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308

TESTING OF THE DUAL ROTARY FILTER SYSTEM  

SciTech Connect (OSTI)

The Savannah River National Laboratory (SRNL) installed and tested two hydraulically connected SpinTek rotary microfilter (RMF) units to determine the behavior of a multiple filter system. Both units were successfully controlled by a control scheme written in DELTA-V architecture by Savannah River Remediation (SRR) Process Control Engineering personnel. The control system was tuned to provide satisfactory response to changing conditions during the operation of the multi-filter system. Stability was maintained through the startup and shutdown of one of the filter units while the second was still in operation. The installation configuration originally proposed by the Small Colum Ion Exchange (SCIX) project of independent filter and motor mountings may be susceptible to vibration. Significant stiffening of the filter and motor mounts was required to minimize the vibration. Alignment of the motor to the filter was a challenge in this test configuration. The deployment configuration must be easy to manipulate and allow for fine adjustment. An analysis of the vibration signature of the test system identified critical speeds. Whether it corresponds to the resonance frequency of a rotor radial vibration mode that was excited by rotor unbalance is uncertain based upon the measurements. A relative motion series should be completed on the filter with the final shaft configuration to determine if the resonances exist in the final filter design. The instrumentation selected for deployment, including the concentrate discharge control valve and flow meters, performed well. Automation of the valve control integrated well with the control scheme and when used in concert with the other control variables, allowed automated control of the dual RMF system. The one area of concern with the instrumentation was the condition resulting when the filtrate flow meter operated with less than three gpm. This low flow was at the lower range of performance for the flow meter. This should not be an issue in deployment where the desired flow rate will be within the normal operating range of the meter. Testing demonstrated that the use of a flexible line for the filtrate discharge is highly desired at the outlet of the rotary union to transition to the system piping. Isolating the vibration from the rotary union will significantly improve the lifetime of the seals. Methods to monitor and isolate individual filters should be considered during deployment. The ability to diagnose issues and isolate individual filters would allow isolation prior to failure. Thus, filters may be cleaned or repaired instead of requiring complete replacement if the condition were to continue unnoticed. Isolating the filtrate line of each filter during startup will minimize the premature buildup of solids on the filter disks. Several tests have shown that the method of filter startup can improve performance lifetime of the filters. The installation must factor in an air inlet for the draining of a filter that does not involve a reverse flow through the filter disks. The reverse flow may cause deformation of the disks or may damage other components of the filters themselves.

Herman, D.; Fowley, M.; Stefanko, D.

2011-08-29T23:59:59.000Z

309

Efficiencies of Solar Tracker systems with static panel Single- Axis Tracking System and Dual-Axis  

E-Print Network [OSTI]

solar tracking system for single axis as well as for dual axis. In a fixed form their efficiency is low

unknown authors

310

Advanced Vehicle Electrification and Transportation Sector Electrifica...  

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

More Documents & Publications Advanced Vehicle Electrification and Transportation Sector Electrification Plug-in Hybrid (PHEV) Vehicle Technology Advancement and...

311

Advanced Battery Materials Characterization: Success stories...  

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

Advanced Battery Materials Characterization: Success stories from the High Temperature Materials Laboratory (HTML) User Program Advanced Battery Materials Characterization: Success...

312

SCR Performance Optimization Through Advancements in Aftertreatment...  

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

Performance Optimization Through Advancements in Aftertreatment Packaging SCR Performance Optimization Through Advancements in Aftertreatment Packaging The impact of improved urea...

313

Smith Electric Vehicles: Advanced Vehicle Electrification + Transporta...  

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

Smith Electric Vehicles: Advanced Vehicle Electrification + Transportation Sector Electrification Smith Electric Vehicles: Advanced Vehicle Electrification + Transportation Sector...

314

Clock-Gating and Its Application to Low Power Design of Sequential Circuits Department of Electrical Engineering-Systems, University of Southern California  

E-Print Network [OSTI]

the master clock. Two common sequential circuits, i.e. 8421 BCD code up-counter and three-excess counter

Pedram, Massoud

315

A Dual-Armed Robotic System for Intraoperative Ultrasound Guided Hepatic Ablative Therapy:A  

E-Print Network [OSTI]

A Dual-Armed Robotic System for Intraoperative Ultrasound Guided Hepatic Ablative Therapy, we propose the use of a dual robotic arm system that manages both ultrasound manipulation and needle guidance. We report a prototype of the dual arm system and a comparative performance analysis between

Camesano, Terri

316

Contrast limitations of dual electrochromic systems J. Padilla *, T.F. Otero *  

E-Print Network [OSTI]

Contrast limitations of dual electrochromic systems J. Padilla *, T.F. Otero * Center characterize any combination of a dual electrochromic system as a function of the redox charge of its reserved. Keywords: Conducting polymer; Electrochromism; Maximum contrast; Dual system; PEDOT; ProDOT 1

Otero, Toribio Fern√°ndez

317

An Evaluation of the Impacts of Network Bandwidth and Dual-Core Processors on  

E-Print Network [OSTI]

and scaling on a large-scale dual-core system. We provide results for multiple representative DOE applicationsAn Evaluation of the Impacts of Network Bandwidth and Dual-Core Processors on Scalability Ron hardware. Single-core 2.0 GHz AMD Opteron pro- cessors were replaced with dual-core 2.4 GHz AMD Opterons

Brightwell, Ron

318

Dual formulation of the utility maximization problem : the case of nonsmooth utility  

E-Print Network [OSTI]

, finitely valued on the whole real line, we study the dual formulation of the utility maximization problemDual formulation of the utility maximization problem : the case of nonsmooth utility B. Bouchard the dual formulation of the utility maximization problem in incomplete markets when the utility function

Touzi, Nizar

319

Indexing Moving Objects by Space Filling Curves in the Dual Space  

E-Print Network [OSTI]

The Bdual ­ tree: Indexing Moving Objects by Space Filling Curves in the Dual Space By Man Lung Yiu Objects by Space Filling Curves in the Dual Space Introduction Related work Problem definition: Indexing Moving Objects by Space Filling Curves in the Dual Space Introduction Related work Problem

Kaiserslautern, Universität

320

THERMAL CHARACTERISTICS OF MICROINVERTERS ON DUAL-AXIS MOHAMMAD AKRAM HOSSAIN  

E-Print Network [OSTI]

THERMAL CHARACTERISTICS OF MICROINVERTERS ON DUAL-AXIS TRACKERS by MOHAMMAD AKRAM HOSSAIN Submitted of Microinverters on Dual-axis Trackers Case Western Reserve University Case School of Graduate Studies We hereby to science and the pursuit of progress. #12;Thermal Characteristics of Microinverters on Dual-axis Trackers

Rollins, Andrew M.

Note: This page contains sample records for the topic "advanced sequential dual" 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

DualPhase HotPress Forming Alloy H. K. D. H. Bhadeshia a,b  

E-Print Network [OSTI]

steels, before transfer into the forming press. Key words: Hot press­forming, dual phase steel. There are many varieties of such steels, for example those which are TRIP­assisted [1­6] or the dual­phase steels that subsequent quenching leads to a dual­phase steel. A potential advantage of this mixture of allotriomorphic

Cambridge, University of

322

STRUCTURAL ANALYSES OF FUEL CASKS SUBJECTED TO BOLT PRELOAD, INTERNAL PRESSURE AND SEQUENTIAL DYNAMIC IMPACTS  

SciTech Connect (OSTI)

Large fuel casks subjected to the combined loads of closure bolt tightening, internal pressure and sequential dynamic impacts present challenges when evaluating their performance in the Hypothetical Accident Conditions (HAC) specified in the Code of Federal Regulations Title 10 Part 71 (10CFR71). Testing is often limited by cost, difficulty in preparing test units and the limited availability of facilities which can carry out such tests. In the past, many casks were evaluated without testing by using simplified analytical methods. In addition, there are no realistic analyses of closure bolt stresses for HAC conditions reported in the open literature. This paper presents a numerical technique for analyzing the accumulated damages of a large fuel cask caused by the sequential loads of the closure bolt tightening and the internal pressure as well as the drop and crash dynamic loads. The bolt preload and the internal pressure are treated as quasi-static loads so that the finite element method with explicit numerical integration scheme based on the theory of wave propagation can be applied. The dynamic impacts with short durations such as the 30-foot drop and the 40-inch puncture for the hypothetical accident conditions specified in 10CFR71 are also analyzed by using the finite-element method with explicit numerical integration scheme.

Wu, T

2009-06-25T23:59:59.000Z

323

Sequential attack with intensity modulation on the differential-phase-shift quantum-key-distribution protocol  

SciTech Connect (OSTI)

In this paper, we discuss the security of the differential-phase-shift quantum-key-distribution (DPSQKD) protocol by introducing an improved version of the so-called sequential attack, which was originally discussed by Waks et al. [Phys. Rev. A 73, 012344 (2006)]. Our attack differs from the original form of the sequential attack in that the attacker Eve modulates not only the phases but also the amplitude in the superposition of the single-photon states which she sends to the receiver. Concentrating especially on the 'discretized Gaussian' intensity modulation, we show that our attack is more effective than the individual attack, which had been the best attack up to present. As a result of this, the recent experiment with communication distance of 100 km reported by Diamanti et al. [Opt. Express 14, 13073 (2006)] turns out to be insecure. Moreover, it can be shown that in a practical experimental setup which is commonly used today, the communication distance achievable by the DPSQKD protocol is less than 95 km.

Tsurumaru, Toyohiro [Mitsubishi Electric Corporation, Information Technology R and D Center, 5-1-1 Ofuna, Kamakura-shi, Kanagawa, 247-8501 (Japan)

2007-06-15T23:59:59.000Z

324

Iterative image-domain decomposition for dual-energy CT  

SciTech Connect (OSTI)

Purpose: Dual energy CT (DECT) imaging plays an important role in advanced imaging applications due to its capability of material decomposition. Direct decomposition via matrix inversion suffers from significant degradation of image signal-to-noise ratios, which reduces clinical values of DECT. Existing denoising algorithms achieve suboptimal performance since they suppress image noise either before or after the decomposition and do not fully explore the noise statistical properties of the decomposition process. In this work, the authors propose an iterative image-domain decomposition method for noise suppression in DECT, using the full variance-covariance matrix of the decomposed images. Methods: The proposed algorithm is formulated in the form of least-square estimation with smoothness regularization. Based on the design principles of a best linear unbiased estimator, the authors include the inverse of the estimated variance-covariance matrix of the decomposed images as the penalty weight in the least-square term. The regularization term enforces the image smoothness by calculating the square sum of neighboring pixel value differences. To retain the boundary sharpness of the decomposed images, the authors detect the edges in the CT images before decomposition. These edge pixels have small weights in the calculation of the regularization term. Distinct from the existing denoising algorithms applied on the images before or after decomposition, the method has an iterative process for noise suppression, with decomposition performed in each iteration. The authors implement the proposed algorithm using a standard conjugate gradient algorithm. The method performance is evaluated using an evaluation phantom (Catphan©600) and an anthropomorphic head phantom. The results are compared with those generated using direct matrix inversion with no noise suppression, a denoising method applied on the decomposed images, and an existing algorithm with similar formulation as the proposed method but with an edge-preserving regularization term. Results: On the Catphan phantom, the method maintains the same spatial resolution on the decomposed images as that of the CT images before decomposition (8 pairs/cm) while significantly reducing their noise standard deviation. Compared to that obtained by the direct matrix inversion, the noise standard deviation in the images decomposed by the proposed algorithm is reduced by over 98%. Without considering the noise correlation properties in the formulation, the denoising scheme degrades the spatial resolution to 6 pairs/cm for the same level of noise suppression. Compared to the edge-preserving algorithm, the method achieves better low-contrast detectability. A quantitative study is performed on the contrast-rod slice of Catphan phantom. The proposed method achieves lower electron density measurement error as compared to that by the direct matrix inversion, and significantly reduces the error variation by over 97%. On the head phantom, the method reduces the noise standard deviation of decomposed images by over 97% without blurring the sinus structures. Conclusions: The authors propose an iterative image-domain decomposition method for DECT. The method combines noise suppression and material decomposition into an iterative process and achieves both goals simultaneously. By exploring the full variance-covariance properties of the decomposed images and utilizing the edge predetection, the proposed algorithm shows superior performance on noise suppression with high image spatial resolution and low-contrast detectability.

Niu, Tianye; Dong, Xue; Petrongolo, Michael; Zhu, Lei, E-mail: leizhu@gatech.edu [Nuclear and Radiological Engineering and Medical Physics Programs, The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332 (United States)] [Nuclear and Radiological Engineering and Medical Physics Programs, The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332 (United States)

2014-04-15T23:59:59.000Z

325

A Preliminary Cost Study of the Dual Mode Inverter Controller  

SciTech Connect (OSTI)

In 1998, the Power Electronics and Electric Machinery Research Center (PEEMRC) at the Oak Ridge National Laboratory (ORNL) started a program to investigate alternate field weakening schemes for permanent magnet (PM) motors. The adjective ''alternate'' was used because at that time, outside research emphasis was on motors with interior-mounted PMs (IPMs). The PEEMRC emphasis was placed on motors with surface-mounted PMs (SPMs) because of the relative ease of manufacturing SPM motors compared with the IPM motors. Today the PEEMRC is continuing research on SPMs while examining the IPMs that have been developed by industry. Out of this task--the goal of which was to find ways to drive PM motors that inherently have low inductance at high speeds where their back-emf exceeds the supply voltage--ORNL developed and demonstrated the dual mode inverter control (DMIC) [1,2] method of field weakening for SPM motors. The predecessor of DMIC is conventional phase advance (CPA), which was developed by UQM Technologies, Inc. [3]. Fig. 1 shows the three sets of anti-parallel thyristors in the dashed box that comprise the DMIC. If one removes the dashed box by shorting each set of anti-parallel thyristors, the configuration becomes a conventional full bridge inverter on the left driving a three phase motor on the right. CPA may be used to drive this configuration ORNL's initial analyses of CPA and DMIC were based on driving motors with trapezoidal back-emfs [4-6], obtained using double layer lapped stator windings with one slot per pole per phase. A PM motor with a sinusoidal back-emf obtained with two poles per slot per phase has been analyzed under DMIC operation as a University of Tennessee-Knoxville (UTK) doctoral dissertation [7]. In the process of this research, ORNL has completed an analysis that explains and quantifies the role of inductance in these methods of control. The Appendix includes information on the equations for the three components of phase inductance, L{sub gap}, L{sub slot}, and L{sub endturns}. PM motors inherently have a lower inductance because of the increase in effective air gap caused by the magnet, which is in the denominator of the equation for L{sub gap}. L{sub gap} accounts for about half of the phase inductance. Because of the low inductance, there is a propensity for currents to exceed the motor's rated value. DMIC solves this problem for low-inductance PM motors and, in addition, provides a number of safety features that protect against uncontrolled generator mode operation [8,9]; however, the DMIC topology adds a pair of anti-parallel thyristors in each of the three phases, thereby introducing additional silicon costs as well as additional voltage drops during operation. It poses the tradeoff question; under what conditions can the beneficial features of DMIC offset its additional silicon cost and voltage drop losses? The purpose of this report is to address the tradeoff question. Sections of the report will: (1) review the role of self-inductance in performance and control of PM motors, (2) discuss the bounding inductances for motors with trapezoidal back-emfs under CPA control, (3) discuss the bounding inductances for trapezoidal back-emfs under DMIC, (4) discuss the bounding inductances for the PM synchronous motor (PMSM), (5) present the analysis showing how DMIC minimizes current in PMSMs, (6) present the results of a cost study conducted for two motors driven using a CPA inverter and for two motors driven using DMIC, (7) discuss estimating life cycle cost benefits, and (8) present conclusions.

McKeever, J.W.

2005-01-28T23:59:59.000Z

326

Dual Polarized And Balanced Receivers At Millimeter And Submillimeter  

E-Print Network [OSTI]

is dedicated to my parents. #12;iv Acknowledgments First and foremost, I would like to express my heartiest, soccer, tennis, racket ball, and badminton. Finally, I thank my parents, my brother and sisters of strength and inspiration, and without whom I would have lost my way. #12;vi Dual Polarized and Balanced

Chattopadhyay, Goutam

327

Dual periodicities in the rotational modulation of Saturn narrowband emissions  

E-Print Network [OSTI]

Dual periodicities in the rotational modulation of Saturn narrowband emissions S.Y. Ye,1 D. A emissions is examined, restricting the spacecraft location to either the northern or the southern hemisphere of Saturn. It is found that in both hemispheres, the modulation period of 5 kHz narrowband emissions has two

Gurnett, Donald A.

328

LM13700/LM13700A Dual Operational Transconductance Amplifiers with  

E-Print Network [OSTI]

LM13700/LM13700A Dual Operational Transconductance Amplifiers with Linearizing Diodes and Buffers General Description The LM13700 series consists of two current controlled transconductance amplifiers of the amplifiers. The output buffers of the LM13700 differ from those of the LM13600 in that their input bias

Lanterman, Aaron

329

LM119/LM219/LM319 High Speed Dual Comparator  

E-Print Network [OSTI]

LM119/LM219/LM319 High Speed Dual Comparator General Description The LM119 series are precision higher gain and lower input currents than devices like the LM710. The uncommitted collector of the output stage makes the LM119 compatible with RTL, DTL and TTL as well as capable of driving lamps and relays

Lanterman, Aaron

330

Page 1 of 7 Catamount Software Architecture with Dual Core  

E-Print Network [OSTI]

, Dual Core. 1.0 Background A massively parallel processor (MPP), high performance computing (HPC) system of Energy's National Nuclear Security Administration under contract DE-AC04- 94AL85000. synchronization on node specialization [3]. Sets of nodes in an MPP are designated to perform specific tasks, each running

Brightwell, Ron

331

Dual aperture dipole magnet with second harmonic component  

DOE Patents [OSTI]

An improved dual aperture dipole electromagnet includes a second-harmonic frequency magnetic guide field winding which surrounds first harmonic frequency magnetic guide field windings associated with each aperture. The second harmonic winding and the first harmonic windings cooperate to produce resultant magnetic waveforms in the apertures which have extended acceleration and shortened reset portions of electromagnet operation.

Praeg, W.F.

1983-08-31T23:59:59.000Z

332

SMITH INVARIANTS AND DUAL GRADED GRAPHS ALEXANDER MILLER  

E-Print Network [OSTI]

SMITH INVARIANTS AND DUAL GRADED GRAPHS ALEXANDER MILLER Abstract. The aim of this paper the Smith invariants immediately, as the eigenvalues are completely understood [3, 15]. Furthermore, we. Background 1 1.1. Differential posets 1 1.2. Eigenvalues 3 1.3. Smith invariants 3 2. Conjecture for r

Weinberger, Hans

333

Petrov type I Condition and Dual Fluid Dynamics  

E-Print Network [OSTI]

Recently Lysov and Strominger [arXiv:1104.5502] showed that imposing Petrov type I condition on a $(p+1)$-dimensional timelike hypersurface embedded in a $(p+2)$-dimensional vacuum Einstein gravity reduces the degrees of freedom in the extrinsic curvature of the hypersurface to that of a fluid on the hypersurface, and that the leading-order Einstein constraint equations in terms of the mean curvature of the embedding give the incompressible Navier-Stokes equations of the dual fluid. In this paper we show that the non-relativistic fluid dual to vacuum Einstein gravity does not satisfy the Petrov type I condition at next order, unless additional constraint such as the irrotational condition is added. In addition, we show that this procedure can be inversed to derive the non-relativistic hydrodynamics with higher order corrections through imposing the Petrov type I condition, and that some second order transport coefficients can be extracted, but the dual "Petrov type I fluid" does not match the dual fluid constructed from the geometry of vacuum Einstein gravity in the non-relativistic limit. We discuss the procedure both on the finite cutoff surface via the non-relativistic hydrodynamic expansion and on the highly accelerated surface via the near horizon expansion.

Rong-Gen Cai; Li Li; Qing Yang; Yun-Long Zhang

2014-03-17T23:59:59.000Z

334

Dual aperture dipole magnet with second harmonic component  

DOE Patents [OSTI]

An improved dual aperture dipole electromagnet includes a second-harmonic frequency magnetic guide field winding which surrounds first harmonic frequency magnetic guide field windings associated with each aperture. The second harmonic winding and the first harmonic windings cooperate to produce resultant magnetic waveforms in the apertures which have extended acceleration and shortened reset portions of electromagnet operation.

Praeg, Walter F. (Palos Park, IL)

1985-01-01T23:59:59.000Z

335

ADVANCED TURBINE SYSTEMS PROGRAM  

SciTech Connect (OSTI)

Natural gas combustion turbines are rapidly becoming the primary technology of choice for generating electricity. At least half of the new generating capacity added in the US over the next twenty years will be combustion turbine systems. The Department of Energy has cosponsored with Siemens Westinghouse, a program to maintain the technology lead in gas turbine systems. The very ambitious eight year program was designed to demonstrate a highly efficient and commercially acceptable power plant, with the ability to fire a wide range of fuels. The main goal of the Advanced Turbine Systems (ATS) Program was to develop ultra-high efficiency, environmentally superior and cost effective competitive gas turbine systems for base load application in utility, independent power producer and industrial markets. Performance targets were focused on natural gas as a fuel and included: System efficiency that exceeds 60% (lower heating value basis); Less than 10 ppmv NO{sub x} emissions without the use of post combustion controls; Busbar electricity that are less than 10% of state of the art systems; Reliability-Availability-Maintainability (RAM) equivalent to current systems; Water consumption minimized to levels consistent with cost and efficiency goals; and Commercial systems by the year 2000. In a parallel effort, the program was to focus on adapting the ATS engine to coal-derived or biomass fuels. In Phase 1 of the ATS Program, preliminary investigators on different gas turbine cycles demonstrated that net plant LHV based efficiency greater than 60% was achievable. In Phase 2 the more promising cycles were evaluated in greater detail and the closed-loop steam-cooled combined cycle was selected for development because it offered the best solution with least risk for achieving the ATS Program goals for plant efficiency, emissions, cost of electricity and RAM. Phase 2 also involved conceptual ATS engine and plant design and technology developments in aerodynamics, sealing, combustion, cooling, materials, coatings and casting development. The market potential for the ATS gas turbine in the 2000-2014 timeframe was assessed for combined cycle, simple cycle and integrated gasification combined cycle, for three engine sizes. The total ATS market potential was forecasted to exceed 93 GW. Phase 3 and Phase 3 Extension involved further technology development, component testing and W501ATS engine detail design. The technology development efforts consisted of ultra low NO{sub x} combustion, catalytic combustion, sealing, heat transfer, advanced coating systems, advanced alloys, single crystal casting development and determining the effect of steam on turbine alloys. Included in this phase was full-load testing of the W501G engine at the McIntosh No. 5 site in Lakeland, Florida.

Gregory Gaul

2004-04-21T23:59:59.000Z

336

Dual-Energy CT Angiography in Peripheral Arterial Occlusive Disease  

SciTech Connect (OSTI)

We sought to study the accuracy of dual-energy computed tomographic angiography (DE-CTA) for the assessment of symptomatic peripheral arterial occlusive disease of the lower extremity by using the dual-energy bone removal technique compared with a commercially available conventional bone removal tool. Twenty patients underwent selective digital subtraction angiography and DE-CTA of the pelvis and lower extremities. CTA data were postprocessed with two different applications: conventional bone removal and dual-energy bone removal. All data were reconstructed and evaluated as 3D maximum-intensity projections. Time requirements for reconstruction were documented. Sensitivity, specificity, accuracy, and concordance of DE-CTA regarding degree of stenosis and vessel wall calcification were calculated. A total of 359 vascular segments were analyzed. Compared with digital subtraction angiography, sensitivity, specificity, and accuracy, respectively, of CTA was 97.2%, 94.1%, and 94.7% by the dual-energy bone removal technique. The conventional bone removal tool delivered a sensitivity of 77.1%, a specificity of 70.7%, and an accuracy of 72.0%. Best results for both postprocessing methods were achieved in the vascular segments of the upper leg. In severely calcified segments, sensitivity, specificity, and accuracy stayed above 90% by the dual-energy bone removal technique, whereas the conventional bone removal technique showed a substantial decrease of sensitivity, specificity, and accuracy. DE-CTA is a feasible and accurate diagnostic method in the assessment of symptomatic peripheral arterial occlusive disease. Results obtained by DE-CTA are superior to the conventional bone removal technique and less dependent on vessel wall calcifications.

Brockmann, Carolin, E-mail: carolin.brockmann@rad.ma.uni-heidelberg.de; Jochum, Susanne; Sadick, Maliha [University of Heidelberg, Department of Clinical Radiology and Nuclear Medicine, Medical Faculty Mannheim (Germany); Huck, Kurt [University of Heidelberg, I. Medical Clinic, Medical Faculty Mannheim (Germany); Ziegler, Peter [University of Heidelberg, Department of Surgery, Medical Faculty Mannheim (Germany); Fink, Christian; Schoenberg, Stefan O.; Diehl, Steffen J. [University of Heidelberg, Department of Clinical Radiology and Nuclear Medicine, Medical Faculty Mannheim (Germany)

2009-07-15T23:59:59.000Z

337

Advanced Integrated Systems Technology Development  

E-Print Network [OSTI]

conditioning in buildings featuring integrated design withconditioning in buildings featuring integrated design withof a building with advanced integrated design involving one

2013-01-01T23:59:59.000Z

338

Fuels for Advanced Combustion Engines  

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

not finalized, AARF is considering: * 2 nd generation biofuels * Non-food sources * Jatropha * Algae * Lignocellulose * Other biomass-to-liquid * Advanced processing of edible...

339

ADVANCED HYBRID PARTICULATE COLLECTOR  

SciTech Connect (OSTI)

A new concept in particulate control, called an advanced hybrid particulate collector (AHPC), is being developed under funding from the US Department of Energy. The AHPC combines the best features of electrostatic precipitators (ESPs) and baghouses in a manner that has not been done before. The AHPC concept consists of a combination of fabric filtration and electrostatic precipitation in the same housing, providing major synergism between the two collection methods, both in the particulate collection step and in the transfer of dust to the hopper. The AHPC provides ultrahigh collection efficiency, overcoming the problem of excessive fine-particle emission with conventional ESPs, and it solves the problem of reentrainment and collection of dust in conventional baghouses. The AHPC is currently being tested at the 2.7-MW scale at the Big Stone power station.

Stanley Miller; Rich Gebert; William Swanson

1999-11-01T23:59:59.000Z

340

Advanced drilling systems study.  

SciTech Connect (OSTI)

This report documents the results of a study of advanced drilling concepts conducted jointly for the Natural Gas Technology Branch and the Geothermal Division of the U.S. Department of Energy. A number of alternative rock cutting concepts and drilling systems are examined. The systems cover the range from current technology, through ongoing efforts in drilling research, to highly speculative concepts. Cutting mechanisms that induce stress mechanically, hydraulically, and thermally are included. All functions necessary to drill and case a well are considered. Capital and operating costs are estimated and performance requirements, based on comparisons of the costs for alternative systems to conventional drilling technology, are developed. A number of problems common to several alternatives and to current technology are identified and discussed.

Pierce, Kenneth G.; Livesay, Billy Joe; Finger, John Travis (Livesay Consultants, Encintas, CA)

1996-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "advanced sequential dual" 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

Advanced Containment System  

DOE Patents [OSTI]

An advanced containment system for containing buried waste and associated leachate. A trench is dug on either side of the zone of interest containing the buried waste so as to accommodate a micro tunnel boring machine. A series of small diameter tunnels are serially excavated underneath the buried waste. The tunnels are excavated by the micro tunnel boring machine at a consistent depth and are substantially parallel to each other. As tunneling progresses, steel casing sections are connected end to end in the excavated portion of the tunnel so that a steel tube is formed. Each casing section has complementary interlocking structure running its length that interlocks with complementary interlocking structure on the adjacent casing section. Thus, once the first tube is emplaced, placement of subsequent tubes is facilitated by the complementary interlocking structure on the adjacent, previously placed, casing sections.

Kostelnik, Kevin M. (Idaho Falls, ID); Kawamura, Hideki (Tokyo, JP); Richardson, John G. (Idaho Falls, ID); Noda, Masaru (Tokyo, JP)

2005-05-24T23:59:59.000Z

342

Advanced Containment System  

DOE Patents [OSTI]

An advanced containment system for containing buried waste and associated leachate. A trench is dug on either side of the zone of interest containing the buried waste so as to accommodate a micro tunnel boring machine. A series of small diameter tunnels are serially excavated underneath the buried waste. The tunnels are excavated by the micro tunnel boring machine at a consistent depth and are substantially parallel to each other. As tunneling progresses, steel casing sections are connected end to end in the excavated portion of the tunnel so that a steel tube is formed. Each casing section has complementary interlocking structure running its length that interlocks with complementary interlocking structure on the adjacent casing section. Thus, once the first tube is emplaced, placement of subsequent tubes is facilitated by the complementary interlocking structure on the adjacent, previously placed, casing sections.

Kostelnik, Kevin M. (Idaho Falls, ID); Kawamura, Hideki (Tokyo, JP); Richardson, John G. (Idaho Falls, ID); Noda, Masaru (Tokyo, JP)

2004-10-12T23:59:59.000Z

343

Advanced Hydrogen Turbine Development  

SciTech Connect (OSTI)

Siemens has developed a roadmap to achieve the DOE goals for efficiency, cost reduction, and emissions through innovative approaches and novel technologies which build upon worldwide IGCC operational experience, platform technology, and extensive experience in G-class operating conditions. In Phase 1, the technologies and concepts necessary to achieve the program goals were identified for the gas turbine components and supporting technology areas and testing plans were developed to mitigate identified risks. Multiple studies were conducted to evaluate the impact in plant performance of different gas turbine and plant technologies. 2015 gas turbine technologies showed a significant improvement in IGCC plant efficiency, however, a severe performance penalty was calculated for high carbon capture cases. Thermodynamic calculations showed that the DOE 2010 and 2015 efficiency targets can be met with a two step approach. A risk management process was instituted in Phase 1 to identify risk and develop mitigation plans. For the risks identified, testing and development programs are in place and the risks will be revisited periodically to determine if changes to the plan are necessary. A compressor performance prediction has shown that the design of the compressor for the engine can be achieved with additional stages added to the rear of the compressor. Tip clearance effects were studied as well as a range of flow and pressure ratios to evaluate the impacts to both performance and stability. Considerable data was obtained on the four candidate combustion systems: diffusion, catalytic, premix, and distributed combustion. Based on the results of Phase 1, the premixed combustion system and the distributed combustion system were chosen as having the most potential and will be the focus of Phase 2 of the program. Significant progress was also made in obtaining combustion kinetics data for high hydrogen fuels. The Phase 1 turbine studies indicate initial feasibility of the advanced hydrogen turbine that meets the aggressive targets set forth for the advanced hydrogen turbine, including increased rotor inlet temperature (RIT), lower total cooling and leakage air (TCLA) flow, higher pressure ratio, and higher mass flow through the turbine compared to the baseline. Maintaining efficiency with high mass flow Syngas combustion is achieved using a large high AN2 blade 4, which has been identified as a significant advancement beyond the current state-of-the-art. Preliminary results showed feasibility of a rotor system capable of increased power output and operating conditions above the baseline. In addition, several concepts were developed for casing components to address higher operating conditions. Rare earth modified bond coat for the purpose of reducing oxidation and TBC spallation demonstrated an increase in TBC spallation life of almost 40%. The results from Phase 1 identified two TBC compositions which satisfy the thermal conductivity requirements and have demonstrated phase stability up to temperatures of 1850 C. The potential to join alloys using a bonding process has been demonstrated and initial HVOF spray deposition trials were promising. The qualitative ranking of alloys and coatings in environmental conditions was also performed using isothermal tests where significant variations in alloy degradation were observed as a function of gas composition. Initial basic system configuration schematics and working system descriptions have been produced to define key boundary data and support estimation of costs. Review of existing materials in use for hydrogen transportation show benefits or tradeoffs for materials that could be used in this type of applications. Hydrogen safety will become a larger risk than when using natural gas fuel as the work done to date in other areas has shown direct implications for this type of use. Studies were conducted which showed reduced CO{sub 2} and NOx emissions with increased plant efficiency. An approach to maximize plant output is needed in order to address the DOE turbine goal for 20-30% reduction o

Joesph Fadok

2008-01-01T23:59:59.000Z

344

Advanced LBB methodology and considerations  

SciTech Connect (OSTI)

LBB applications have existed in many industries and more recently have been applied in the nuclear industry under limited circumstances. Research over the past 10 years has evolved the technology so that more advanced consideration of LBB can now be given. Some of the advanced considerations for nuclear plants subjected to seismic loading evaluations are summarized in this paper.

Olson, R.; Rahman, S.; Scott, P. [Battelle, Columbus, OH (United States)] [and others

1997-04-01T23:59:59.000Z

345

Systems Engineering Advancement Research Initiative  

E-Print Network [OSTI]

Systems Engineering Advancement Research Initiative RESEARCH PORTFOLIO Fall 2008 About SEAri http://seari.mit.edu The Systems Engineering Advancement Research Initiative brings together a set of sponsored research projects and a consortium of systems engineering leaders from industry, government, and academia. SEAri is positioned within

de Weck, Olivier L.

346

Using the sequential regression (SER) algorithm for long-term signal processing. [Intrusion detection  

SciTech Connect (OSTI)

The use of the sequential regression (SER) algorithm (Electron. Lett., 14, 118(1978); 13, 446(1977)) for long-term processing applications is limited by two problems that can occur when an SER predictor has more weights than required to predict the input signal. First, computational difficulties related to updating the autocorrelation matrix inverse could arise, since no unique least-squares solution exists. Second, the predictor strives to remove very low-level components in the input, and hence could implement a gain function that is essentially zero over the entire passband. The predictor would then tend to become a no-pass filter which is undesirable in certain applications, e.g., intrusion detection (SAND--78-1032). Modifications to the SER algorithm that overcome the above problems are presented, which enable its use for long-term signal processing applications. 3 figures.

Soldan, D. L.; Ahmed, N.; Stearns, S. D.

1980-01-01T23:59:59.000Z

347

Removal of polychlorinated phenols in sequential anaerobic-aerobic biofilm reactors packed with tire chips  

SciTech Connect (OSTI)

Scrap vehicle tire chips were used as packing material for sequential anaerobic-aerobic biofilm reactors to remove persistent chlorinated hydrocarbons. Adsorption capacity of scrap tires was greater under acidic conditions than under basic conditions. However, it was only approximately 0.04 to 0.3% of that of activated carbon. The amount of biomass that attached to the surface of scrap tires was 3.16 and 3.72 mg volatile suspended solids/cm{sup 2} after 14 and 37 days, respectively. Two laboratory-scale, down-flow anaerobic-aerobic biofilm reactors packed with tire chips were operated to remove 2,4-dichlorophenol (DCP) and 4-chlorophenol (CP). More than 98% of DCP was dehalogenated to CP in the anaerobic reactor, 70 to 98% of which was subsequently degraded in the aerobic reactor. Scrap tires did not cause any operational problems when used as biofilter media.

Shin, H.S.; Yoo, K.S.; Park, J.K.

1999-05-01T23:59:59.000Z

348

Effects of sequential tungsten and helium ion implantation on nano-indentation hardness of tungsten  

SciTech Connect (OSTI)

To simulate neutron and helium damage in a fusion reactor first wall sequential self-ion implantation up to 13 dpa followed by helium-ion implantation up to 3000 appm was performed to produce damaged layers of {approx}2 {mu}m depth in pure tungsten. The hardness of these layers was measured using nanoindentation and was studied using transmission electron microscopy. Substantial hardness increases were seen in helium implanted regions, with smaller hardness increases in regions which had already been self-ion implanted, thus, containing pre-existing dislocation loops. This suggests that, for the same helium content, helium trapped in distributed vacancies gives stronger hardening than helium trapped in vacancies condensed into dislocation loops.

Armstrong, D. E. J.; Edmondson, P. D.; Roberts, S. G. [Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH (United Kingdom)] [Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH (United Kingdom)

2013-06-24T23:59:59.000Z

349

Regeneration of strong-base anion-exchange resins by sequential chemical displacement  

DOE Patents [OSTI]

A method for regenerating strong-base anion exchange resins utilizing a sequential chemical displacement technique with new regenerant formulation. The new first regenerant solution is composed of a mixture of ferric chloride, a water-miscible organic solvent, hydrochloric acid, and water in which tetrachloroferrate anion is formed and used to displace the target anions on the resin. The second regenerant is composed of a dilute hydrochloric acid and is used to decompose tetrachloroferrate and elute ferric ions, thereby regenerating the resin. Alternative chemical displacement methods include: (1) displacement of target anions with fluoroborate followed by nitrate or salicylate and (2) displacement of target anions with salicylate followed by dilute hydrochloric acid. The methodology offers an improved regeneration efficiency, recovery, and waste minimization over the conventional displacement technique using sodium chloride (or a brine) or alkali metal hydroxide.

Brown, Gilbert M. (Knoxville, TN); Gu, Baohua (Oak Ridge, TN); Moyer, Bruce A. (Oak Ridge, TN); Bonnesen, Peter V. (Knoxville, TN)

2002-01-01T23:59:59.000Z

350

Sequential evacuation strategy for multiple rooms toward the same means of egress  

E-Print Network [OSTI]

This paper examines different evacuation strategies for systems where several rooms evacuate trough the same means of egress, using microscopic pedestrian simulation.As a case study, a medium-rise office building is considered. It was found that the standard strategy, whereby the simultaneous evacuation of all levels is performed, can be improved by a sequential evacuation, beginning with the lowest floor and continuing successively with each one of the upper floors after a certain delay. The importance of the present research is that it provides the basis for the design and implementation of new evacuation strategies and alarm systems that could significantly improve the evacuation of multiple rooms trough a common means of escape.

Parisi, Daniel R

2015-01-01T23:59:59.000Z

351

Expert system for identification of simultaneous and sequential reactor fuel failures with gas tagging  

DOE Patents [OSTI]

Failure of a fuel element in a nuclear reactor core is determined by a gas tagging failure detection system and method. Failures are catalogued and characterized after the event so that samples of the reactor's cover gas are taken at regular intervals and analyzed by mass spectroscopy. Employing a first set of systematic heuristic rules which are applied in a transformed node space allows the number of node combinations which must be processed within a barycentric algorithm to be substantially reduced. A second set of heuristic rules treats the tag nodes of the most recent one or two leakers as background'' gases, further reducing the number of trial node combinations. Lastly, a fuzzy'' set theory formalism minimizes experimental uncertainties in the identification of the most likely volumes of tag gases. This approach allows for the identification of virtually any number of sequential leaks and up to five simultaneous gas leaks from fuel elements. 14 figs.

Gross, K.C.

1994-07-26T23:59:59.000Z

352

Extended Constant Power Speed Range of the Brushless DC Motor Through Dual Mode Inverter Control  

SciTech Connect (OSTI)

The trapezoidal back electromotive force (emf) brushless direct current (dc) motor (BDCM) with surface-mounted magnets has high-power density and efficiency especially when rare-earth magnet materials are used. Traction applications, such as electric vehicles, could benefit significantly from the use of such motors. Unfortunately, a practical means for driving the motor over a constant power speed ratio (CPSR) of 5:1 or more has not yet been developed. A key feature of these motors is that they have low internal inductance. The phase advance method is effective in controlling the motor power over such a speed range, but the current at high speed may be several times greater than that required at the base speed. The increase in current during high-speed operation is due to the low motor inductance and the action of the bypass diodes of the inverter. The use of such a control would require increased current rating of the inverter semiconductors and additional cooling for the inverter, where the conduction losses increase proportionally with current, and especially for the motor, where the losses increase with the square of the current. The high current problems of phase advance can be mitigated by adding series inductance; however, this reduces power density, requires significant increase in supply voltage, and leaves the CPSR performance of the system highly sensitive to variations in the available voltage. A new inverter topology and control scheme has been developed that can drive low-inductance BDCMs over the CPSR that would be required in electric vehicle applications. This new controller is called the dual-mode inverter control (DMIC). It is shown that the BDCM has an infinite CPSR when it is driven by the DMIC.

Lawler, J.S.

2000-06-23T23:59:59.000Z

353

ADVANCED CUTTINGS TRANSPORT STUDY  

SciTech Connect (OSTI)

This is the second quarterly progress report for Year-4 of the ACTS Project. It includes a review of progress made in: (1) Flow Loop construction and development and (2) research tasks during the period of time between October 1, 2002 and December 30, 2002. This report presents a review of progress on the following specific tasks. (a) Design and development of an Advanced Cuttings Transport Facility Task 3: Addition of a Cuttings Injection/Separation System, Task 4: Addition of a Pipe Rotation System. (b) New research project (Task 9b): ''Development of a Foam Generator/Viscometer for Elevated Pressure and Elevated Temperature (EPET) Conditions''. (d) Research project (Task 10): ''Study of Cuttings Transport with Aerated Mud Under Elevated Pressure and Temperature Conditions''. (e) Research on three instrumentation tasks to measure: Cuttings concentration and distribution in a flowing slurry (Task 11), Foam texture while transporting cuttings. (Task 12), and Viscosity of Foam under EPET (Task 9b). (f) New Research project (Task 13): ''Study of Cuttings Transport with Foam under Elevated Pressure and Temperature Conditions''. (g) Development of a Safety program for the ACTS Flow Loop. Progress on a comprehensive safety review of all flow-loop components and operational procedures. (Task 1S). (h) Activities towards technology transfer and developing contacts with Petroleum and service company members, and increasing the number of JIP members.

Troy Reed; Stefan Miska; Nicholas Takach; Kaveh Ashenayi; Mark Pickell; Len Volk; Mike Volk; Lei Zhou; Zhu Chen; Crystal Redden; Aimee Washington

2003-01-30T23:59:59.000Z

354

Advanced robot locomotion.  

SciTech Connect (OSTI)

This report contains the results of a research effort on advanced robot locomotion. The majority of this work focuses on walking robots. Walking robot applications include delivery of special payloads to unique locations that require human locomotion to exo-skeleton human assistance applications. A walking robot could step over obstacles and move through narrow openings that a wheeled or tracked vehicle could not overcome. It could pick up and manipulate objects in ways that a standard robot gripper could not. Most importantly, a walking robot would be able to rapidly perform these tasks through an intuitive user interface that mimics natural human motion. The largest obstacle arises in emulating stability and balance control naturally present in humans but needed for bipedal locomotion in a robot. A tracked robot is bulky and limited, but a wide wheel base assures passive stability. Human bipedal motion is so common that it is taken for granted, but bipedal motion requires active balance and stability control for which the analysis is non-trivial. This report contains an extensive literature study on the state-of-the-art of legged robotics, and it additionally provides the analysis, simulation, and hardware verification of two variants of a proto-type leg design.

Neely, Jason C.; Sturgis, Beverly Rainwater; Byrne, Raymond Harry; Feddema, John Todd; Spletzer, Barry Louis; Rose, Scott E.; Novick, David Keith; Wilson, David Gerald; Buerger, Stephen P.

2007-01-01T23:59:59.000Z

355

ADVANCED HYBRID PARTICULATE COLLECTOR  

SciTech Connect (OSTI)

A new concept in particulate control, called an advanced hybrid particulate collector (AHPC), is being developed under funding from the US Department of Energy. The AHPC combines the best features of electrostatic precipitators (ESPs) and baghouses in an entirely novel manner. The AHPC concept combines fabric filtration and electrostatic precipitation in the same housing, providing major synergism between the two methods, both in the particulate collection step and in transfer of dust to the hopper. The AHPC provides ultrahigh collection efficiency, overcoming the problem of excessive fine-particle emissions with conventional ESPs, and solves the problem of reentrainment and recollection of dust in conventional baghouses. Phase I of the development effort consisted of design, construction, and testing of a 5.7-m{sup 3}/min (200-acfm) working AHPC model. Results from both 8-hour parametric tests and 100-hour proof-of-concept tests with two different coals demonstrated excellent operability and greater than 99.99% fine-particle collection efficiency.

Stanley J. Miller; Grant L. Schelkoph; Grant E. Dunham

2000-12-01T23:59:59.000Z

356

Advanced Chemistry Basins Model  

SciTech Connect (OSTI)

The DOE-funded Advanced Chemistry Basin model project is intended to develop a public domain, user-friendly basin modeling software under PC or low end workstation environment that predicts hydrocarbon generation, expulsion, migration and chemistry. The main features of the software are that it will: (1) afford users the most flexible way to choose or enter kinetic parameters for different maturity indicators; (2) afford users the most flexible way to choose or enter compositional kinetic parameters to predict hydrocarbon composition (e.g., gas/oil ratio (GOR), wax content, API gravity, etc.) at different kerogen maturities; (3) calculate the chemistry, fluxes and physical properties of all hydrocarbon phases (gas, liquid and solid) along the primary and secondary migration pathways of the basin and predict the location and intensity of phase fractionation, mixing, gas washing, etc.; and (4) predict the location and intensity of de-asphaltene processes. The project has be operative for 36 months, and is on schedule for a successful completion at the end of FY 2003.

William Goddard; Mario Blanco; Lawrence Cathles; Paul Manhardt; Peter Meulbroek; Yongchun Tang

2002-11-10T23:59:59.000Z

357

Advanced hybrid gasification facility  

SciTech Connect (OSTI)

The objective of this procurement is to provide a test facility to support early commercialization of advanced fixed-bed coal gasification technology for electric power generation applications. The proprietary CRS Sirrine Engineers, Inc. PyGas{trademark} staged gasifier has been selected as the initial gasifier to be developed under this program. The gasifier is expected to avoid agglomeration when used on caking coals. It is also being designed to crack tar vapors and ammonia, and to provide an environment in which volatilized alkali may react with aluminosilicates in the coal ash thereby minimizing their concentration in the hot raw coal gas passing through the system to the gas turbine. This paper describes a novel, staged, airblown, fixed-bed gasifier designed to solve both through the incorporation of pyrolysis (carbonization) with gasification. It employs a pyrolyzer (carbonizer) to avoid sticky coal agglomeration which occurs in a fixed-bed process when coal is gradually heated through the 400{degrees}F to 900{degrees}F range. In a pyrolyzer, the coal is rapidly heated such that coal tar is immediately vaporized. Gaseous tars are then thermally cracked prior to the completion of the gasification process. During the subsequent endothermic gasification reactions, volatilized alkali can be chemically bound to aluminosilicates in (or added to) the ash. To reduce NOx from fuel home nitrogen, moisture is minimized to control ammonia generation, and HCN in the upper gasifier region is partially oxidized to NO which reacts with NH3/HCN to form N2.

Sadowski, R.S.; Skinner, W.H. [CRS Sirrine, Inc., Greenville, SC (United States); Johnson, S.A. [PSI Technology Co., Andover, MA (United States); Dixit, V.B. [Riley Stoker Corp., Worcester, MA (United States). Riley Research Center

1993-08-01T23:59:59.000Z

358

Oil shale, tar sand, coal research, advanced exploratory process technology jointly sponsored research  

SciTech Connect (OSTI)

Accomplishments for the quarter are presented for the following areas of research: oil shale, tar sand, coal, advanced exploratory process technology, and jointly sponsored research. Oil shale research includes; oil shale process studies, environmental base studies for oil shale, and miscellaneous basic concept studies. Tar sand research covers process development. Coal research includes; underground coal gasification, coal combustion, integrated coal processing concepts, and solid waste management. Advanced exploratory process technology includes; advanced process concepts, advanced mitigation concepts, and oil and gas technology. Jointly sponsored research includes: organic and inorganic hazardous waste stabilization; development and validation of a standard test method for sequential batch extraction fluid; operation and evaluation of the CO[sub 2] HUFF-N-PUFF Process; fly ash binder for unsurfaced road aggregates; solid state NMR analysis of Mesa Verde Group, Greater Green River Basin, tight gas sands; flow-loop testing of double-wall pipe for thermal applications; characterization of petroleum residue; shallow oil production using horizontal wells with enhanced recovery techniques; and menu driven access to the WDEQ Hydrologic Data Management Systems.

Not Available

1992-01-01T23:59:59.000Z

359

A Sequential Semi-Implicit Algorithm for Computing Discontinuous Flows in Porous M. A. Vegas-Landeau  

E-Print Network [OSTI]

, and isotropic porous media is presented. The algorithm uses Colella et al.'s hybrid sequential semi-implicit approach6 for both accuracy and efficiency of the calculations. The explicit part uses a high-order Godunov11 scheme with a modified Van Leer geometrical slope limiter, similar to those used in shock dynamics

Patzek, Tadeusz W.

360

364 IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, VOL. 31, NO. 3, MARCH 2013 Censored Truncated Sequential Spectrum  

E-Print Network [OSTI]

of the licensed electromag- netic spectrum [1]. Cognitive radios opportunistically share the spectrum while Sequential Spectrum Sensing for Cognitive Radio Networks Sina Maleki and Geert Leus Abstract--Reliable spectrum sensing is a key functionality of a cognitive radio network. Cooperative spectrum sensing improves

Leus, Geert

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361

J.Org. Chem. 1984,49, 3033-3035 3033 Proposed SequentialConversion of Coal's  

E-Print Network [OSTI]

J.Org. Chem. 1984,49, 3033-3035 3033 SchemeI. @& Proposed SequentialConversion of Coal's Native moieties (func- tionalities determined to be important for lignins6and for low-rank coals'). In contrast "C, is one of condensation to make a dimeric furan! Sincein a coal systemthere will be some available

362

Dual fuel development for an LNG marine engine  

SciTech Connect (OSTI)

A dual-fuel conversion for the 3406-B Caterpillar marine diesel engine has been developed. The purpose of this conversion is to use lower priced natural gas as a fuel, thus providing substantial cost savings for large fuel consumers. Details of the conversion system are given. Data is presented showing fuel consumption, conditions leading to engine knock, conditions promoting methane flame propagation, and air-fuel ratios required for efficient combustion. The system resulting from this study will use Liquefied Natural Gas (LNG) to power a dual-fuel conversion of a shrimp boat's main engine and generator set. The cold temperatures of the LNG will also be used as a heat sink to refrigerate the fish-hold area of the boat.

Acker, G.H.

1988-01-01T23:59:59.000Z

363

Plane-parallel waves as duals of the flat background  

E-Print Network [OSTI]

We give a classification of non-Abelian T-duals of the flat metric in D=4 dimensions with respect to the four-dimensional continuous subgroups of the Poincare group. After dualizing the flat background, we identify majority of dual models as conformal sigma models in plane-parallel wave backgrounds, most of them having torsion. We give their form in Brinkmann coordinates. We find, besides the plane-parallel waves, several diagonalizable curved metrics with nontrivial scalar curvature and torsion. Using the non-Abelian T-duality, we find general solution of the classical field equations for all the sigma models in terms of d'Alembert solutions of the wave equation.

Ladislav Hlavaty; Ivo Petr

2014-12-03T23:59:59.000Z

364

Dual superconductivity and vacuum properties in Yang--Mills theories  

E-Print Network [OSTI]

We address, within the dual superconductivity model for color confinement, the question whether the Yang-Mills vacuum behaves as a superconductor of type I or type II. In order to do that we compare, for the theory with gauge group SU(2), the determination of the field penetration depth $\\lambda$ with that of the superconductor correlation length $\\xi$. The latter is obtained by measuring the temporal correlator of a disorder parameter developed by the Pisa group to detect dual superconductivity. The comparison places the vacuum close to the border between type I and type II and marginally on the type II side. We also check our results against the study of directly measurable effects such as the interaction between two parallel flux tubes, obtaining consistent indications for a weak repulsive behaviour. Future strategies to improve our investigation are discussed.

A. D'Alessandro; M. D'Elia; L. Tagliacozzo

2007-05-03T23:59:59.000Z

365

String Gas Shells, their Dual Radiation and Hedgehog Signature Control  

E-Print Network [OSTI]

We search for spherically symmetric, stationary solutions with a string gas shell as a source. The requirement of a uniform newtonian potential, or constancy of the 00 component of the metric, implies the existence of a "dual" radiation, which we argue can be interpreted as representing the virtual quantum fluctuations that stabilize the shell. A string hedgehog can be introduced also into the solution. For zero or small hedgehog strength the string gas shell is of a regular nature, while the dual radiation is of a spacelike nature. For higher hedgehog strengths however the radiation "materializes" and becomes timelike while the string gas shell becomes space like. The significance of these solutions for the quantum theory is discussed.

E. I. Guendelman

2009-03-12T23:59:59.000Z

366

Development and Use of the Dual-Mode Plasma Torch  

SciTech Connect (OSTI)

After several years of development, a commercially available high-temperature treatment system has been developed and installed that treats heterogeneous low-level radioactive waste. High temperature plasma processing, unique torch design and operating features make it feasible to achieve a volume reduced, permanent, high integrity waste form while eliminating the personnel exposure and costs associated with conventional sorting, characterizing and handling. Plasma technology can also be used to treat previous conditioned waste packages that no longer meet the current acceptance criteria for final disposal. Plasma treatment can result, in many cases, in a substantial volume reduction, which lowers the final disposal costs. This paper covers the recently patented dual mode plasma torch design(1), the lessons learned that fostered its development and the advantages it brings to radioactive waste processing. This paper also provides current full scale Plasma Arc Centrifugal Treatment (PACT) project status and how the dual mode torch is being used in the PACT system.

Womack, R.; Shuey, M.

2002-02-26T23:59:59.000Z

367

Demonstration of dual-band infrared thermal imaging for bridge inspection. Phase II, final report  

SciTech Connect (OSTI)

Developing and implementing methods of effective bridge rehabilitation is a major issue for the Federal Highway Administration (FHWA). The nation spends $5 billion annually to replace, rehabilitate or construct new bridges. According to the National Bridge Inventory, over 100,000 U.S. bridges are structurally deficient. About 40,000 of these bridges have advanced deck deterioration. The most common causes of serious deck deterioration is delamination. Delaminations result when steel reinforcements within the bridge deck corrode, creating gaps that separate the concrete into layers. A reliable inspection technology, capable of identifying delaminations, would represent a power new tool in bridge maintenance. To date, most bridge inspections rely on human interpretation of surface visual features of chain dragging. These methods are slow, disruptive, unreliable and raise serious safety concerns. Infrared thermal imaging detects subsurface delaminations and surface clutter, which is introduced by foreign material on the roadway. Typically, foreign material which is not always evident on a video tape image, produces a unique IR reflectance background unlike the thermal response of a subsurface delamination. Lawrence Livermore National Laboratory (LLNL) uses dual-band infrared (DBIR) thermal imaging to identify and remove nonthermal IR reflectance backgrounds from foreign material on the roadway. DBIR methods improve the performance of IR thermal imaging by a factor of ten, compared to single-band infrared (SBIR) methods. DBIR thermal imaging allows precise temperature measurement to reliably locate bridge deck delaminations and remove wavelength-dependent emissivity variations due to foreign material on the roadway.

Durbin, P.F.; Del Grande, N.K.; Schaich, P.C.

1996-03-01T23:59:59.000Z

368

Application Of Ti-Based Self-Formation Barrier Layers To Cu Dual-Damascene Interconnects  

SciTech Connect (OSTI)

Cu interconnects have been used extensively in ULSI devices. However, large resistance-capacitance delay and poor device reliability have been critical issues as the device feature size has reduced to nanometer scale. In order to achieve low resistance and high reliability of Cu interconnects, we have applied a thin Ti-based self-formed barrier (SFB) using Cu(Ti) alloy seed to 45nm-node dual damascene interconnects and evaluated its performance. The line resistance and via resistance decreased significantly, compared with those of conventional Ta/TaN barriers. The stress migration performance was also drastically improved using the SFB process. A performance of time dependent dielectric breakdown revealed superior endurance. These results suggest that the Ti-based SFB process is one of the most promising candidates for advanced Cu interconnects. TEM and X-ray photoelectron spectroscopy observations for characterization of the Ti-based SFB structure were also performed. The Ti-based SFB consisted of mainly amorphous Ti oxides. Amorphous or crystalline Ti compounds such as TiC, TiN, and TiSi formed beneath Cu alloy films, and the formation varied with dielectric.

Ito, Kazuhiro; Kohama, Kazuyuki [Department of Materials Science and Engineering, Kyoto University, Kyoto 606-8501 (Japan); Ohmori, Kazuyuki; Mori, Kenichi; Maekawa, Kazuyoshi; Asai, Koyu [Process Technology Div., Renesas Electronics Corporation, Hitachinaka, Ibaraki 312-8504 (Japan); Murakami, Masanori [The Ritsumeikan Trust, Nakagyo-ku, Kyoto 604-8520 (Japan)

2010-11-24T23:59:59.000Z

369

Retractable pin dual in-line package test clip  

DOE Patents [OSTI]

This invention is a Dual In-Line Package (DIP) test clip for use when troubleshooting circuits containing DIP integrated circuits. This test clip is a significant improvement over existing DIP test clips in that it has retractable pins which will permit troubleshooting without risk of accidentally shorting adjacent pins together when moving probes to different pins on energized circuits or when the probe is accidentally bumped while taking measurements.

Bandzuch, Gregory S. (Washington, PA); Kosslow, William J. (Jefferson Boro, PA)

1996-01-01T23:59:59.000Z

370

Wideband dual-linear polarized microstrip patch antenna  

E-Print Network [OSTI]

: the type and thickness of the antenna substrate, the method for feeding the antenna, size of patch antenna, polarization of antenna, the presence of slots in the patch and the use of fractal antennas. II.1 IMPORTANT BROADBAND DESIGN PARAMETERS Antenna... for an aperture coupled stacked patch antenna???????????????.. 24 10 Geometry of the final aperture coupled stacked patch antenna with bowtie apertures and dual offset microstrip feed lines??????.. 25 11 VSWR comparison for various sized patches, apertures...

Smith, Christopher Brian

2009-05-15T23:59:59.000Z

371

MA/MSW DUAL DEGREE PROGRAM In 1989 the Dual Degree in Social Work (MSW) and Pastoral Ministry (MA) Program was  

E-Print Network [OSTI]

MA/MSW DUAL DEGREE PROGRAM 2013-2014 PURPOSE In 1989 the Dual Degree in Social Work (MSW) or Theology and Ministry (academic year) (MA) and the Master of Social Work (MSW) degrees in approximately 3 Standards Review Committee and the Dean of the GSSW. 4. The integrity of both the MA and the MSW degrees

Huang, Jianyu

372

Integrated process and dual-function catalyst for olefin epoxidation  

DOE Patents [OSTI]

The invention discloses a dual-functional catalyst composition and an integrated process for production of olefin epoxides including propylene oxide by catalytic reaction of hydrogen peroxide from hydrogen and oxygen with olefin feeds such as propylene. The epoxides and hydrogen peroxide are preferably produced simultaneously in situ. The dual-functional catalyst comprises noble metal crystallites with dimensions on the nanometer scale (on the order of <1 nm to 10 nm), specially dispersed on titanium silicalite substrate particles. The dual functional catalyst catalyzes both the direct reaction of hydrogen and oxygen to generate hydrogen peroxide intermediate on the noble metal catalyst surface and the reaction of the hydrogen peroxide intermediate with the propylene feed to generate propylene oxide product. Combining both these functions in a single catalyst provides a very efficient integrated process operable below the flammability limits of hydrogen and highly selective for the production of hydrogen peroxide to produce olefin oxides such as propylene oxide without formation of undesired co-products.

Zhou, Bing (Cranbury, NJ); Rueter, Michael (Plymouth Meeting, PA)

2003-01-01T23:59:59.000Z

373

Comments on holographic star and the dual QGP  

E-Print Network [OSTI]

We study static AdS star in generic dimension. The dependence of the mass limit to the bulk fermion mass is explored. In the bulk conformal limit, the mass limit saturates at a value identical to the mass limit of a radiation star or the AdS space filling with pure radiation. The temperature and entropy of the degenerate AdS star in the bulk conformal limit is zero in contrast to the radiation star. Holographically, the universal mass limit corresponds to the upper limit of the deconfinement temperature in the dual gauge picture. The QGP at this temperature is dual to the large black hole and the heat capacity is positive. When the fermion mass increases, the mass limit falls into the range of the small black holes. We found that even though the small black hole has negative heat capacity, the AdS box allows possibilities that it remains in thermal equilibrium with the radiation as long as the size of the black hole is not smaller than a critical size. Consequently, the dual QGP with negative heat capacity can be produced and remains stable thermodynamically at temperature below a saturation temperature $T_{2}$. The QGP with negative heat capacity produced at higher temperature will still condensate completely into a gas of confined hadron.

Piyabut Burikham; Tossaporn Chullaphan

2014-05-08T23:59:59.000Z

374

Self-Dual Maps and Symmetric Bistochastic Matrices  

E-Print Network [OSTI]

The H-unistochastic matrices are a special class of symmetric bistochastic matrices obtained by taking the square of the absolute value of each entry of a Hermitian unitary matrix. We examine the geometric relationship of the convex hull of the n by n H-unistochastic matrices relative to the larger convex set of n by n symmetric bistochastic matrices. We show that any line segment in the convex set of the n by n symmetric bistochastic matrices which passes through the centroid of this convex set must spend at least two-thirds of its length in the convex hull of the n by n H-unistochastic matrices when n is either three or four and we prove a partial result for higher n. A class of completely positive linear maps called the self-dual doubly stochastic maps is useful for studying this problem. Some results on self-dual doubly stochastic maps are given including a self-dual version of the Laudau-Streater theorem.

Corey O'Meara; Rajesh Pereira

2012-11-13T23:59:59.000Z

375

State Technologies Advancement Collaborative  

SciTech Connect (OSTI)

The U. S. Department of Energy (DOE), National Association of State Energy Officials (NASEO), and Association of State Energy Research and Technology Transfer Institutions (ASERTTI) signed an intergovernmental agreement on November 14, 2002, that allowed states and territories and the Federal Government to better collaborate on energy research, development, demonstration and deployment (RDD&D) projects. The agreement established the State Technologies Advancement Collaborative (STAC) which allowed the states and DOE to move RDD&D forward using an innovative competitive project selection and funding process. A cooperative agreement between DOE and NASEO served as the contracting instrument for this innovative federal-state partnership obligating funds from DOE's Office of Energy Efficiency and Renewable Energy and Office of Fossil Energy to plan, fund, and implement RDD&D projects that were consistent with the common priorities of the states and DOE. DOE's Golden Field Office provided Federal oversight and guidance for the STAC cooperative agreement. The STAC program was built on the foundation of prior Federal-State efforts to collaborate on and engage in joint planning for RDD&D. Although STAC builds on existing, successful programs, it is important to note that it was not intended to replace other successful joint DOE/State initiatives such as the State Energy Program or EERE Special Projects. Overall the STAC process was used to fund, through three competitive solicitations, 35 successful multi-state research, development, deployment, and demonstration projects with an overall average non-federal cost share of 43%. Twenty-two states were awarded at least one prime contract, and organizations in all 50 states and some territories were involved as subcontractors in at least one STAC project. Projects were funded in seven program areas: (1) Building Technologies, (2) Industrial Technologies, (3) Transportation Technologies, (4) Distributed Energy Resources, (5) Hydrogen Technology Learning Centers, (6) Fossil Energy, and (7) Rebuild America.

David S. Terry

2012-01-30T23:59:59.000Z

376

Advanced Geothermal Turbodrill  

SciTech Connect (OSTI)

Approximately 50% of the cost of a new geothermal power plant is in the wells that must be drilled. Compared to the majority of oil and gas wells, geothermal wells are more difficult and costly to drill for several reasons. First, most U.S. geothermal resources consist of hot, hard crystalline rock formations which drill much slower than the relatively soft sedimentary formations associated with most oil and gas production. Second, high downhole temperatures can greatly shorten equipment life or preclude the use of some technologies altogether. Third, producing viable levels of electricity from geothermal fields requires the use of large diameter bores and a high degree of fluid communication, both of which increase drilling and completion costs. Optimizing fluid communication often requires creation of a directional well to intersect the best and largest number of fracture capable of producing hot geothermal fluids. Moineau motor stators made with elastomers cannot operate at geothermal temperatures, so they are limited to the upper portion of the hole. To overcome these limitations, Maurer Engineering Inc. (MEI) has developed a turbodrill that does not use elastomers and therefore can operate at geothermal temperatures. This new turbodrill uses a special gear assembly to reduce the output speed, thus allowing a larger range of bit types, especially tri-cone roller bits, which are the bits of choice for drilling hard crystalline formations. The Advanced Geothermal Turbodrill (AGT) represents a significant improvement for drilling geothermal wells and has the potential to significantly reduce drilling costs while increasing production, thereby making geothermal energy less expensive and better able to compete with fossil fuels. The final field test of the AGT will prepare the tool for successful commercialization.

W. C. Maurer

2000-05-01T23:59:59.000Z

377

ADVANCED TURBINE SYSTEMS PROGRAM  

SciTech Connect (OSTI)

The market for power generation equipment is undergoing a tremendous transformation. The traditional electric utility industry is restructuring, promising new opportunities and challenges for all facilities to meet their demands for electric and thermal energy. Now more than ever, facilities have a host of options to choose from, including new distributed generation (DG) technologies that are entering the market as well as existing DG options that are improving in cost and performance. The market is beginning to recognize that some of these users have needs beyond traditional grid-based power. Together, these changes are motivating commercial and industrial facilities to re-evaluate their current mix of energy services. One of the emerging generating options is a new breed of advanced fuel cells. While there are a variety of fuel cell technologies being developed, the solid oxide fuel cells (SOFC) and molten carbonate fuel cells (MCFC) are especially promising, with their electric efficiency expected around 50-60 percent and their ability to generate either hot water or high quality steam. In addition, they both have the attractive characteristics of all fuel cells--relatively small siting footprint, rapid response to changing loads, very low emissions, quiet operation, and an inherently modular design lending itself to capacity expansion at predictable unit cost with reasonably short lead times. The objectives of this project are to:(1) Estimate the market potential for high efficiency fuel cell hybrids in the U.S.;(2) Segment market size by commercial, industrial, and other key markets;(3) Identify and evaluate potential early adopters; and(4) Develop results that will help prioritize and target future R&D investments. The study focuses on high efficiency MCFC- and SOFC-based hybrids and competing systems such as gas turbines, reciprocating engines, fuel cells and traditional grid service. Specific regions in the country have been identified where these technologies and the corresponding early adopters are likely to be located.

Sy Ali

2002-03-01T23:59:59.000Z

378

ADVANCED MIXING MODELS  

SciTech Connect (OSTI)

The process of recovering the waste in storage tanks at the Savannah River Site (SRS) typically requires mixing the contents of the tank with one to four dual-nozzle jet mixers located within the tank. The typical criteria to establish a mixed condition in a tank are based on the number of pumps in operation and the time duration of operation. To ensure that a mixed condition is achieved, operating times are set conservatively long. This approach results in high operational costs because of the long mixing times and high maintenance and repair costs for the same reason. A significant reduction in both of these costs might be realized by reducing the required mixing time based on calculating a reliable indicator of mixing with a suitably validated computer code. The work described in this report establishes the basis for further development of the theory leading to the identified mixing indicators, the benchmark analyses demonstrating their consistency with widely accepted correlations, and the application of those indicators to SRS waste tanks to provide a better, physically based estimate of the required mixing time. Waste storage tanks at SRS contain settled sludge which varies in height from zero to 10 ft. The sludge has been characterized and modeled as micron-sized solids, typically 1 to 5 microns, at weight fractions as high as 20 to 30 wt%, specific gravities to 1.4, and viscosities up to 64 cp during motion. The sludge is suspended and mixed through the use of submersible slurry jet pumps. To suspend settled sludge, water is added to the tank as a slurry medium and stirred with the jet pump. Although there is considerable technical literature on mixing and solid suspension in agitated tanks, very little literature has been published on jet mixing in a large-scale tank. If shorter mixing times can be shown to support Defense Waste Processing Facility (DWPF) or other feed requirements, longer pump lifetimes can be achieved with associated operational cost and schedule savings. The focus of the present work is to establish mixing criteria associated with the waste processing at SRS and to quantify the mixing time required to suspend sludge particles with the submersible jet pump. Literature results for a turbulent jet flow are reviewed briefly, since the decay of the axial jet velocity and the evolution of the jet flow patterns are important phenomena affecting sludge suspension and mixing operations. One of the main objectives in the waste processing is to provide the DWPF a uniform slurry composition at a certain weight percentage (typically {approx}13 wt%) over an extended period of time. In preparation of the sludge for slurrying to DWPF, several important questions have been raised with regard to sludge suspension and mixing of the solid suspension in the bulk of the tank: (1) How much time is required to prepare a slurry with a uniform solid composition for DWPF? (2) How long will it take to suspend and mix the sludge for uniform composition in any particular waste tank? (3) What are good mixing indicators to answer the questions concerning sludge mixing stated above in a general fashion applicable to any waste tank/slurry pump geometry and fluid/sludge combination? Grenville and Tilton (1996) investigated the mixing process by giving a pulse of tracer (electrolyte) through the submersible jet nozzle and by monitoring the conductivity at three locations within the cylindrical tank. They proposed that the mixing process was controlled by the turbulent kinetic energy dissipation rate in the region far away from the jet entrance. They took the energy dissipation rates in the regions remote from the nozzle to be proportional to jet velocity and jet diameter at that location. The reduction in the jet velocity was taken to be proportional to the nozzle velocity and distance from the nozzle. Based on their analysis, a correlation was proposed. The proposed correlation was shown to be valid over a wide range of Reynolds numbers (50,000 to 300,000) with a relative standard deviation of {+-} 11.83%. An improved correlat

Lee, S; Richard Dimenna, R; David Tamburello, D

2008-11-13T23:59:59.000Z

379

Draft Advanced Nuclear Energy Solicitation Public Meeting Presentation...  

Office of Environmental Management (EM)

Draft Advanced Nuclear Energy Solicitation Public Meeting Presentation Draft Advanced Nuclear Energy Solicitation Public Meeting Presentation Draft Advanced Nuclear Solicitation...

380

DOE - Office of Legacy Management -- Westinghouse Advanced Reactors...  

Office of Legacy Management (LM)

Advanced Reactors Div Plutonium and Advanced Fuel Labs - PA 10 FUSRAP Considered Sites Site: WESTINGHOUSE ADVANCED REACTORS DIV., PLUTONIUM FUEL LABORATORIES, AND THE ADVANCED FUEL...

Note: This page contains sample records for the topic "advanced sequential dual" from the National Library of EnergyBeta (NLEBeta).
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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

advanced search Economist.com  

E-Print Network [OSTI]

SEARCH advanced search ¬Ľ Economist.com RESEARCH TOOLS Choose a research tool... Help their movements cause? A company is paying them to do a job, so why should it not read their e-mails when

Nissenbaum, Helen

382

SERI advanced wind turbine blades  

SciTech Connect (OSTI)

The primary goal of the Solar Energy Research Institute`s (SERI) advanced wind turbine blades is to convert the kinetic energy in the wind into mechanical energy in an inexpensive and efficient manner. To accomplish this goal, advanced wind turbine blades have been developed by SERI that utilize unique airfoil technology. Performance characteristics of the advanced blades were verified through atmospheric testing on fixed-pitch, stall-regulated horizontal-axis wind turbines (HAWTs). Of the various wind turbine configurations, the stall-regulated HAWT dominates the market because of its simplicity and low cost. Results of the atmospheric tests show that the SERI advanced blades produce 10% to 30% more energy than conventional blades. 6 refs.

Tangler, J.; Smith, B.; Jager, D.

1992-02-01T23:59:59.000Z

383

SERI advanced wind turbine blades  

SciTech Connect (OSTI)

The primary goal of the Solar Energy Research Institute's (SERI) advanced wind turbine blades is to convert the kinetic energy in the wind into mechanical energy in an inexpensive and efficient manner. To accomplish this goal, advanced wind turbine blades have been developed by SERI that utilize unique airfoil technology. Performance characteristics of the advanced blades were verified through atmospheric testing on fixed-pitch, stall-regulated horizontal-axis wind turbines (HAWTs). Of the various wind turbine configurations, the stall-regulated HAWT dominates the market because of its simplicity and low cost. Results of the atmospheric tests show that the SERI advanced blades produce 10% to 30% more energy than conventional blades. 6 refs.

Tangler, J.; Smith, B.; Jager, D.

1992-02-01T23:59:59.000Z

384

Ohio Advanced Energy Manufacturing Center  

SciTech Connect (OSTI)

The program goal of the Ohio Advanced Energy Manufacturing Center (OAEMC) is to support advanced energy manufacturing and to create responsive manufacturing clusters that will support the production of advanced energy and energy-efficient products to help ensure the nation's energy and environmental security. This goal cuts across a number of existing industry segments critical to the nation's future. Many of the advanced energy businesses are starting to make the transition from technology development to commercial production. Historically, this transition from laboratory prototypes through initial production for early adopters to full production for mass markets has taken several years. Developing and implementing manufacturing technology to enable production at a price point the market will accept is a key step. Since these start-up operations are configured to advance the technology readiness of the core energy technology, they have neither the expertise nor the resources to address manufacturing readiness issues they encounter as the technology advances toward market entry. Given the economic realities of today's business environment, finding ways to accelerate this transition can make the difference between success and failure for a new product or business. The advanced energy industry touches a wide range of industry segments that are not accustomed to working together in complex supply chains to serve large markets such as automotive and construction. During its first three years, the Center has catalyzed the communication between companies and industry groups that serve the wide range of advanced energy markets. The Center has also found areas of common concern, and worked to help companies address these concerns on a segment or industry basis rather than having each company work to solve common problems individually. EWI worked with three industries through public-private partnerships to sew together disparate segments helping to promote overall industry health. To aid the overall advanced energy industry, EWI developed and launched an Ohio chapter of the non-profit Advanced Energy Economy. In this venture, Ohio joins with six other states including Colorado, Connecticut, Illinois, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont to help promote technologies that deliver energy that is affordable, abundant and secure. In a more specific arena, EWI's advanced energy group collaborated with the EWI-run Nuclear Fabrication Consortium to promote the nuclear supply chain. Through this project EWI has helped bring the supply chain up to date for the upcoming period of construction, and assisted them in understanding the demands for the next generation of facilities now being designed. In a more targeted manner, EWI worked with 115 individual advanced energy companies that are attempting to bring new technology to market. First, these interactions helped EWI develop an awareness of issues common to companies in different advanced energy sectors. By identifying and addressing common issues, EWI helps companies bring technology to market sooner and at a lower cost. These visits also helped EWI develop a picture of industry capability. This helped EWI provide companies with contacts that can supply commercial solutions to their new product development challenges. By providing assistance in developing supply chain partnerships, EWI helped companies bring their technology to market faster and at a lower cost than they might have been able to do by themselves. Finally, at the most granular level EWI performed dedicated research and development on new manufacturing processes for advanced energy. During discussions with companies participating in advanced energy markets, several technology issues that cut across market segments were identified. To address some of these issues, three crosscutting technology development projects were initiated and completed with Center support. This included reversible welds for batteries and high temperature heat exchangers. It also included a novel advanced weld trainer that EWI

Kimberly Gibson; Mark Norfolk

2012-07-30T23:59:59.000Z

385

February 2000 Advanced Technology Program  

E-Print Network [OSTI]

OF COMMERCE Economic Assessment Office Technology Administration Advanced Technology Program National .................................................................................................6 V. IIH Focused Program Project Selection Process information infrastructure in healthcare. A discussion of the ATP "white paper" process4 notes differences

386

Advanced Policy Practice Spring 2014  

E-Print Network [OSTI]

Advanced Policy Practice Spring 2014 SW 548-001 Instructor course that focuses on the theory and evidence-based skill sets of policy analysis, development, implementation, and change. The course focuses on policy

Grissino-Mayer, Henri D.

387

Fuels for Advanced Combustion Engines  

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

2011-2015 MYPP Goals (cross-cut w Advanced Combustion Engines) - By 2015, improve the fuel economy of light-duty gasoline vehicles by 25% and of light-duty diesel vehicles by 40%...

388

Fuels for Advanced Combustion Engines  

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

2011-1015 MYPP Goals (cross-cut w Advanced Combustion Engines) - By 2015, improve the fuel economy of light-duty gasoline vehicles by 25% and of light-duty diesel vehicles by 40%...

389

SCANNING THE TECHNOLOGY Scanning Advanced  

E-Print Network [OSTI]

state of refinement. This has been made possible by advancements in a wide spec- trum of scientific economy, lower emissions and improved safety. The availability of computers on board the vehicle

390

Advancing Measurement of Family Leisure  

E-Print Network [OSTI]

This study advanced knowledge of the measurement properties of the Family Leisure Activity Profile (FLAP). The FLAP is a sixteen-item index based on the Core and Balance Model of Family Functioning. This study assessed three distinct scaling...

Melton, Karen

2014-08-06T23:59:59.000Z

391

Advanced Process Management and Implementation  

E-Print Network [OSTI]

Advanced Process Management is a method to achieve optimum process performance during the life cycle of a plant through proper design, effective automation, and adequate operator decision support. Developing a quality process model is an effective...

Robinson, J.

392

Tribal Renewable Energy Advanced Course: Project Development...  

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

Development and Financing Essentials Tribal Renewable Energy Advanced Course: Project Development and Financing Essentials Watch the DOE Office of Indian Energy advanced course...

393

Current trends in the Advanced Bioindustry  

Broader source: Energy.gov [DOE]

Afternoon Plenary Session: Current Trends in the Advanced Bioindustry State of TechnologyóMichael McAdams, President, Advanced Biofuels Association

394

Advancing Transportation Through Vehicle Electrification - PHEV...  

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

Meeting arravt067vssbazzi2012o.pdf More Documents & Publications Advancing Transportation Through Vehicle Electrification - PHEV Advancing Plug In Hybrid Technology and...

395

Funding Opportunity Webinar - Advancing Solutions To Improve...  

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

Funding Opportunity Webinar - Advancing Solutions To Improve the Energy Efficiency of US Commercial Buildings Funding Opportunity Webinar - Advancing Solutions To Improve the...

396

Advanced Hybrid Water Heater using Electrochemical Compressor...  

Energy Savers [EERE]

Advanced Hybrid Water Heater using Electrochemical Compressor Advanced Hybrid Water Heater using Electrochemical Compressor Xergy is using its Electro Chemical Compression (ECC)...

397

Advanced Manufacturing Initiative Improves Turbine Blade Productivity...  

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

Advanced Manufacturing Initiative Improves Turbine Blade Productivity Advanced Manufacturing Initiative Improves Turbine Blade Productivity May 20, 2011 - 2:56pm Addthis This is an...

398

Independent Oversight Review, Advanced Mixed Waste Treatment...  

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

Review, Advanced Mixed Waste Treatment Project - April 2013 April 2013 Review of Radiation Protection Program Implementation at the Advanced Mixed Waste Treatment Project of...

399

Advanced Coal Wind Hybrid: Economic Analysis  

E-Print Network [OSTI]

Renewable Energy and Energy Efficiency, DOE. LBNL 275-E Advanced Coal Wind Hybrid:Renewable Energy Laboratory), and Ryan Wiser ( LBNL). i Advanced Coal Wind Hybrid:

Phadke, Amol

2008-01-01T23:59:59.000Z

400

Advanced Ceramic Filter For Diesel Emission Control  

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

8 ACM Structure Overview Dow Automotive Advanced Ceramic Cordierite and Silicon carbide Advanced Ceramic Cordierite and Silicon carbide 9272004 DEER2004 9 ACM DPF Chemical...

Note: This page contains sample records for the topic "advanced sequential dual" 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

A Prospective Target for Advanced Biofuel Production  

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

A Prospective Target for Advanced Biofuel Production A Prospective Target for Advanced Biofuel Production Print Thursday, 02 February 2012 13:34 The sesquiterpene bisabolene was...

402

Advanced Materials for Proton Exchange Membranes | Department...  

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

Advanced Materials for Proton Exchange Membranes Advanced Materials for Proton Exchange Membranes A presentation to the High Temperature Membranes Working Group meeting, May 19,...

403

ALS Ceramics Materials Research Advances Engine Performance  

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

ALS Ceramics Materials Research Advances Engine Performance ALS Ceramics Materials Research Advances Engine Performance Print Thursday, 27 September 2012 00:00 ritchie ceramics...

404

Advanced Natural Gas Reciprocating Engines (ARES) - Presentation...  

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

Advanced Natural Gas Reciprocating Engines (ARES) - Presentation by Caterpillar, Inc., June 2011 Advanced Natural Gas Reciprocating Engines (ARES) - Presentation by Caterpillar,...

405

Advanced Natural Gas Reciprocating Engines (ARES) - Presentation...  

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

Cummins, Inc., June 2011 Advanced Natural Gas Reciprocating Engines (ARES) - Presentation by Cummins, Inc., June 2011 Presentation on Advanced Natural Gas Reciprocating Engines...

406

Advanced Natural Gas Reciprocating Engines (ARES) - Presentation...  

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

Dresser Waukesha, June 2011 Advanced Natural Gas Reciprocating Engines (ARES) - Presentation by Dresser Waukesha, June 2011 Presentation on Advanced Natural Gas Reciprocating...

407

Advanced Engine Development | ornl.gov  

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

Advanced Engine Development High-performance computing accelerates advanced engine development July 11, 2014 Oak Ridge National Laboratory's (ORNL's) Dean Edwards and a...

408

Measuring Advances in HVAC Distribution System Design  

E-Print Network [OSTI]

Advances in HV AC Distribution System Design Ellen FranconiAdvances in HVAC Distribution System Design Ellen Franconisavings result from distribution system design improvements,

Franconi, E.

2011-01-01T23:59:59.000Z

409

Advanced Coal Wind Hybrid: Economic Analysis  

E-Print Network [OSTI]

farms with advanced coal generation facilities and operatingfarms with advanced coal generation facilities and operatingin the stand-alone coal generation option (IGCC+CCS plant)

Phadke, Amol

2008-01-01T23:59:59.000Z

410

Advances in understanding solar energy collection materials  

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

Understanding solar energy collection materials Advances in understanding solar energy collection materials A LANL team and collaborators have made advances in the understanding of...

411

Advanced Combustion Technologies | Department of Energy  

Energy Savers [EERE]

Science & Innovation Clean Coal Advanced Combustion Technologies Advanced Combustion Technologies Joe Yip, a researcher at FE's National Energy Technology Laboratory, uses...

412

Advanced Technology Vehicles Manufacturing Incentive Program...  

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

Advanced Technology Vehicles Manufacturing Incentive Program Advanced Technology Vehicles Manufacturing Incentive Program This is an interim final rule that establishes the...

413

Advancing Energy Systems through Integration | Department of...  

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

Advancing Energy Systems through Integration Advancing Energy Systems through Integration This presentation was given by Ever-Green Energy's Ken Smith as part of the November 20,...

414

Chemistry & Physics at Interfaces | Advanced Materials | ORNL  

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

Advanced Materials Home | Science & Discovery | Advanced Materials | Research Areas | Chemistry and Physics at Interfaces SHARE Chemistry and Physics at Interfaces Chemical...

415

Application of advanced hydrocarbon characterization and its...  

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

advanced hydrocarbon characterization and its consequences on future fuel properties and advanced combustion research Rafal Gieleciak, Craig Fairbridge and Darcy Hager Poster...

416

Application of advanced hydrocarbon characterization and its...  

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

on future fuel properties and advanced combustion research Research on future fuels chemistry and effects on combustion in advanced internal combustion engines p-14gieleciak.pdf...

417

Optimization of Advanced Diesel Engine Combustion Strategies  

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

- UW-ERC 1 "University Research in Advanced Combustion and Emissions Control" Optimization of Advanced Diesel Engine Combustion Strategies Profs. Rolf Reitz, D. Foster, J....

418

Optimization of Advanced Diesel Engine Combustion Strategies...  

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

Optimization of Advanced Diesel Engine Combustion Strategies Optimization of Advanced Diesel Engine Combustion Strategies 2010 DOE Vehicle Technologies and Hydrogen Programs Annual...

419

Nick Wright Named Advanced Technologies Group Lead  

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

Nick Wright Named Advanced Technologies Group Lead Nick Wright Named Advanced Technologies Group Lead February 4, 2013 Nick Nick Wright has been named head of the National Energy...

420

Particulate Emissions Control by Advanced Filtration Systems...  

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

Particulate Emissions Control by Advanced Filtration Systems or GDI Engines Particulate Emissions Control by Advanced Filtration Systems or GDI Engines 2013 DOE Hydrogen and Fuel...

Note: This page contains sample records for the topic "advanced sequential dual" 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.


421

Advanced Computational Methods for Turbulence and Combustion...  

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

Advanced Computational Methods for Turbulence and Combustion Advanced Computational Methods for Turbulence and Combustion Bell.png Key Challenges: Development and application of...

422

Advanced Diesel Engine and Aftertreatment Technology Development...  

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

Advanced Diesel Engine and Aftertreatment Technology Development for Tier 2 Emissions Advanced Diesel Engine and Aftertreatment Technology Development for Tier 2 Emissions 2003...

423

Advanced Membrane Systems: Recovering Wasteful and Hazardous...  

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

Advanced Membrane Systems: Recovering Wasteful and Hazardous Fuel Vapors at the Gasoline Tank Advanced Membrane Systems: Recovering Wasteful and Hazardous Fuel Vapors at the...

424

Webinar: Systems Performance Advancement II Funding Opportunity...  

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

Webinar: Systems Performance Advancement II Funding Opportunity Announcement Webinar: Systems Performance Advancement II Funding Opportunity Announcement January 22, 2015 2:00PM to...

425

Advanced Low Temperature Absorption Chiller Module Integrated...  

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

Advanced Low Temperature Absorption Chiller Module Integrated with a CHP System at a Distributed Data Center - Presentation by Exergy Partners Corp., June 2011 Advanced Low...

426

Advanced Coal Wind Hybrid: Economic Analysis  

E-Print Network [OSTI]

of Figures Figure ES-1. Advanced Coal Wind Hybrid: Basicviii Figure 1. Advanced-Coal Wind Hybrid: Basic29 Figure 9. Sensitivity to Coal

Phadke, Amol

2008-01-01T23:59:59.000Z

427

advanced clinical decision: Topics by E-print Network  

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

category during the post- intervention period was 32% in CDSS communities and 5 Campbell, A. Malcolm 11 Bayes Sequential Decision Theory in a Clinical Trial with Binary...

428

Westinghouse advanced particle filter system  

SciTech Connect (OSTI)

Integrated Gasification Combined Cycles (IGCC), Pressurized Fluidized Bed Combustion (PFBC) and Advanced PFBC (APFB) are being developed and demonstrated for commercial power generation application. Hot gas particulate filters are key components for the successful implementation of IGCC, PFBC and APFB in power generation gas turbine cycles. The objective of this work is to develop and qualify through analysis and testing a practical hot gas ceramic barrier filter system that meets the performance and operational requirements of these advanced, solid fuel power generation cycles.

Lippert, T.E.; Bruck, G.J.; Sanjana, Z.N.; Newby, R.A.

1995-11-01T23:59:59.000Z

429

Development of Computational Approaches for Simulation and Advanced Controls for Hybrid Combustion-Gasification Chemical Looping  

SciTech Connect (OSTI)

This document provides the results of the project through September 2009. The Phase I project has recently been extended from September 2009 to March 2011. The project extension will begin work on Chemical Looping (CL) Prototype modeling and advanced control design exploration in preparation for a scale-up phase. The results to date include: successful development of dual loop chemical looping process models and dynamic simulation software tools, development and test of several advanced control concepts and applications for Chemical Looping transport control and investigation of several sensor concepts and establishment of two feasible sensor candidates recommended for further prototype development and controls integration. There are three sections in this summary and conclusions. Section 1 presents the project scope and objectives. Section 2 highlights the detailed accomplishments by project task area. Section 3 provides conclusions to date and recommendations for future work.

Joshi, Abhinaya; Lou, Xinsheng; Neuschaefer, Carl; Chaudry, Majid; Quinn, Joseph

2012-07-31T23:59:59.000Z

430

Advanced binary geothermal power plants: Limits of performance  

SciTech Connect (OSTI)

The Heat Cycle Research Program is investigating potential improvements to power cycles utilizing moderate temperature geothermal resources to produce electrical power. Investigations have specifically examined Rankine cycle binary power systems. Binary Rankine cycles are more efficient than the flash steam cycles at moderate resource temperature, achieving a higher net brine effectiveness. At resource conditions similar to those at the Heber binary plant, it has been shown that mixtures of saturated hydrocarbons (alkanes) or halogenated hydrocarbons operating in a supercritical Rankine cycle gave improved performance over Rankine cycles with the pure working fluids executing single or dual boiling cycles or supercritical cycles. Recently, other types of cycles have been proposed for binary geothermal service. This report explores the feasible limits on efficiency of a plant given practical limits on equipment performance and discusses the methods used in these advanced concept plants to achieve the maximum possible efficiency. (Here feasible is intended to mean reasonably achievable and not cost-effective.) No direct economic analysis has been made because of the sensitivity of economic results to site specific input. The limit of performance of three advanced plants were considered in this report. The performance predictions were taken from the developers of each concept. The advanced plants considered appear to be approaching the feasible limit of performance. Ultimately, the plant designer must weigh the advantages and disadvantages of the the different cycles to find the best plant for a given service. In addition, this report presents a standard of comparison of the work which has been done in the Heat Cycle Research Program and in the industrial sector by Exergy, Inc. and Polythermal Technologies. 18 refs., 16 figs., 1 tab.

Bliem, C.J.; Mines, G.L.

1991-01-01T23:59:59.000Z

431

advanced ferritic steel: Topics by E-print Network  

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

behavior of ferrite and dual phase steels Engineering Websites Summary: and dual phase steels C.F. Kuang a,n , J. Li b , S.G. Zhang a , J. Wang b , H.F. Liu b , A.A....

432

advanced ferritic steels: Topics by E-print Network  

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

behavior of ferrite and dual phase steels Engineering Websites Summary: and dual phase steels C.F. Kuang a,n , J. Li b , S.G. Zhang a , J. Wang b , H.F. Liu b , A.A....

433

Design and Analysis of a Mach 3 Dual Mode Scramjet Combustor.  

E-Print Network [OSTI]

??Low speed operation of a dual mode scramjet engine is important to the development of a two stage to orbit reusable launch vehicle. This studyÖ (more)

Corbin, Christopher Ryan

2008-01-01T23:59:59.000Z

434

Physical properties of erbium implanted tungsten oxide films deposited by reactive dual magnetron sputtering  

E-Print Network [OSTI]

of erbium implanted tungsten oxide films deposited byDual magnetron sputtering; tungsten oxide films; Er ionoptical waveguides [3,5]. Tungsten oxide (WO 3 ) thin films

Mohamed, Sodky H.; Anders, Andre

2006-01-01T23:59:59.000Z

435

Photo of the Week: The First Energy-Efficient Dual-Paned Windows...  

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

Lab helped develop the first energy-efficient dual-paned windows, now used in buildings and homes worldwide for billions of dollars in energy savings. Current windows...

436

SAMPLE Plan of Study for Dual major in Mathematics Education and ...  

E-Print Network [OSTI]

SAMPLE Plan of Study for Dual major in Mathematics Education and Core Mathematics (MAED & MATH combined). Electives. Hours. Semester 1. Course.

2010-09-02T23:59:59.000Z

437

(ConnectCarolina Vendor No.) 904.2.1f Dual Employment Payment Request  

E-Print Network [OSTI]

Vendor ID: (ConnectCarolina Vendor No.) Print Name 904.2.1f­ Dual Employment Payment Request Please

McLaughlin, Richard M.

438

On the ergodic convergence rates of a first-order primal-dual algorithm  

E-Print Network [OSTI]

Sep 9, 2014 ... On the ergodic convergence rates of a first-order primal-dual algorithm. Antonin Chambolle (antonin.chambolle ***at*** cmap.polytechnique.fr)

Antonin Chambolle

2014-09-09T23:59:59.000Z

439

Some Disadvantages of a Mehrotra-Type Primal-Dual Corrector ...  

E-Print Network [OSTI]

The Primal-Dual Corrector (pdc) algorithm that we propose computes on each ... however, that show that the pdc algorithm may fail to converge to a solution of†...

440

E-Print Network 3.0 - asymmetric nanospray dual Sample Search...  

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

results for: asymmetric nanospray dual Page: << < 1 2 3 4 5 > >> 1 Symmetrical Gas-Phase Dissociation of Noncovalent Protein Complexes via Surface Collisions Summary: -mail:...

Note: This page contains sample records for the topic "advanced sequential dual" 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

A new warmstarting strategy for the primal-dual column generation ...  

E-Print Network [OSTI]

Jun 24, 2012 ... Abstract: This paper presents a new warmstarting technique in the context of a primal-dual column generation method applied to solve a†...

Jacek Gondzio

2012-06-24T23:59:59.000Z

442

Advanced Distillation Final Report  

SciTech Connect (OSTI)

The Advanced Distillation project was concluded on December 31, 2009. This U.S. Department of Energy (DOE) funded project was completed successfully and within budget during a timeline approved by DOE project managers, which included a one year extension to the initial ending date. The subject technology, Microchannel Process Technology (MPT) distillation, was expected to provide both capital and operating cost savings compared to conventional distillation technology. With efforts from Velocys and its project partners, MPT distillation was successfully demonstrated at a laboratory scale and its energy savings potential was calculated. While many objectives established at the beginning of the project were met, the project was only partially successful. At the conclusion, it appears that MPT distillation is not a good fit for the targeted separation of ethane and ethylene in large-scale ethylene production facilities, as greater advantages were seen for smaller scale distillations. Early in the project, work involved flowsheet analyses to discern the economic viability of ethane-ethylene MPT distillation and develop strategies for maximizing its impact on the economics of the process. This study confirmed that through modification to standard operating processes, MPT can enable net energy savings in excess of 20%. This advantage was used by ABB Lumus to determine the potential impact of MPT distillation on the ethane-ethylene market. The study indicated that a substantial market exists if the energy saving could be realized and if installed capital cost of MPT distillation was on par or less than conventional technology. Unfortunately, it was determined that the large number of MPT distillation units needed to perform ethane-ethylene separation for world-scale ethylene facilities, makes the targeted separation a poor fit for the technology in this application at the current state of manufacturing costs. Over the course of the project, distillation experiments were performed with the targeted mixture, ethane-ethylene, as well as with analogous low relative volatility systems: cyclohexane-hexane and cyclopentane-pentane. Devices and test stands were specifically designed for these efforts. Development progressed from experiments and models considering sections of a full scale device to the design, fabrication, and operation of a single-channel distillation unit with integrated heat transfer. Throughout the project, analytical and numerical models and Computational Fluid Dynamics (CFD) simulations were validated with experiments in the process of developing this platform technology. Experimental trials demonstrated steady and controllable distillation for a variety of process conditions. Values of Height-to-an-Equivalent Theoretical Plate (HETP) ranging from less than 0.5 inch to a few inches were experimentally proven, demonstrating a ten-fold performance enhancement relative to conventional distillation. This improvement, while substantial, is not sufficient for MPT distillation to displace very large scale distillation trains. Fortunately, parallel efforts in the area of business development have yielded other applications for MPT distillation, including smaller scale separations that benefit from the flowsheet flexibility offered by the technology. Talks with multiple potential partners are underway. Their outcome will also help determine the path ahead for MPT distillation.

Maddalena Fanelli; Ravi Arora; Annalee Tonkovich; Jennifer Marco; Ed Rode

2010-03-24T23:59:59.000Z

443

Advanced Integrated Traction System  

SciTech Connect (OSTI)

The United States Department of Energy elaborates the compelling need for a commercialized competitively priced electric traction drive system to proliferate the acceptance of HEVs, PHEVs, and FCVs in the market. The desired end result is a technically and commercially verified integrated ETS (Electric Traction System) product design that can be manufactured and distributed through a broad network of competitive suppliers to all auto manufacturers. The objectives of this FCVT program are to develop advanced technologies for an integrated ETS capable of 55kW peak power for 18 seconds and 30kW of continuous power. Additionally, to accommodate a variety of automotive platforms the ETS design should be scalable to 120kW peak power for 18 seconds and 65kW of continuous power. The ETS (exclusive of the DC/DC Converter) is to cost no more than $660 (55kW at $12/kW) to produce in quantities of 100,000 units per year, should have a total weight less than 46kg, and have a volume less than 16 liters. The cost target for the optional Bi-Directional DC/DC Converter is $375. The goal is to achieve these targets with the use of engine coolant at a nominal temperature of 105C. The system efficiency should exceed 90% at 20% of rated torque over 10% to 100% of maximum speed. The nominal operating system voltage is to be 325V, with consideration for higher voltages. This project investigated a wide range of technologies, including ETS topologies, components, and interconnects. Each technology and its validity for automotive use were verified and then these technologies were integrated into a high temperature ETS design that would support a wide variety of applications (fuel cell, hybrids, electrics, and plug-ins). This ETS met all the DOE 2010 objectives of cost, weight, volume and efficiency, and the specific power and power density 2015 objectives. Additionally a bi-directional converter was developed that provides charging and electric power take-off which is the first step towards enabling a smart-grid application. GM under this work assessed 29 technologies; investigated 36 configurations/types power electronics and electric machines, filed 41 invention disclosures; and ensured technology compatibility with vehicle production. Besides the development of a high temperature ETS the development of industrial suppliers took place because of this project. Suppliers of industrial power electronic components are numerous, but there are few that have traction drive knowledge. This makes it difficult to achieve component reliability, durability, and cost requirements necessary of high volume automotive production. The commercialization of electric traction systems for automotive industry requires a strong diverse supplier base. Developing this supplier base is dependent on a close working relationship between the OEM and supplier so that appropriate component requirements can be developed. GM has worked closely with suppliers to develop components for electric traction systems. Components that have been the focus of this project are power modules, capacitors, heavy copper boards, current sensors, and gate drive and controller chip sets. Working with suppliers, detailed component specifications have been developed. Current, voltage, and operation environment during the vehicle drive cycle were evaluated to develop higher resolution/accurate component specifications.

Greg Smith; Charles Gough

2011-08-31T23:59:59.000Z

444

Advanced Microturbine Systems  

SciTech Connect (OSTI)

In July 2000, the United Technologies Research Center (UTRC) was one of five recipients of a US Department of Energy contract under the Advanced Microturbine System (AMS) program managed by the Office of Distributed Energy (DE). The AMS program resulted from several government-industry workshops that recognized that microturbine systems could play an important role in improving customer choice and value for electrical power. That is, the group believed that electrical power could be delivered to customers more efficiently and reliably than the grid if an effective distributed energy strategy was followed. Further, the production of this distributed power would be accomplished with less undesirable pollutants of nitric oxides (NOx) unburned hydrocarbons (UHC), and carbon monoxide (CO). In 2000, the electrical grid delivered energy to US customers at a national average of approximately 32% efficiency. This value reflects a wide range of powerplants, but is dominated by older, coal burning stations that provide approximately 50% of US electrical power. The grid efficiency is also affected by transmission and distribution (T&D) line losses that can be significant during peak power usage. In some locations this loss is estimated to be 15%. Load pockets can also be so constrained that sufficient power cannot be transmitted without requiring the installation of new wires. New T&D can be very expensive and challenging as it is often required in populated regions that do not want above ground wires. While historically grid reliability has satisfied most customers, increasing electronic transactions and the computer-controlled processes of the 'digital economy' demand higher reliability. For them, power outages can be very costly because of transaction, work-in-progress, or perishable commodity losses. Powerplants that produce the grid electrical power emit significant levels of undesirable NOx, UHC, and CO pollutants. The level of emission is quoted as either a technology metric or a system-output metric. A common form for the technology metric is in the units of PPM {at} 15% O2. In this case the metric reflects the molar fraction of the pollutant in the powerplant exhaust when corrected to a standard exhaust condition as containing 15% (molar) oxygen, assuring that the PPM concentrations are not altered by subsequent air addition or dilution. Since fuel combustion consumes oxygen, the output oxygen reference is equivalent to a fuel input reference. Hence, this technology metric reflects the moles of pollutant per mole of fuel input, but not the useful output of the powerplant-i.e. the power. The system-output metric does embrace the useful output and is often termed an output-based metric. A common form for the output-based metric is in the units of lb/MWh. This is a system metric relating the pounds of pollutant to output energy (e.g., MWh) of the powerplant.

Rosfjord, T; Tredway, W; Chen, A; Mulugeta, J; Bhatia, T

2008-12-31T23:59:59.000Z

445

ADVANCED CUTTINGS TRANSPORT STUDY  

SciTech Connect (OSTI)

The Advanced Cuttings Transport Study (ACTS) was a 5-year JIP project undertaken at the University of Tulsa (TU). The project was sponsored by the U.S. Department of Energy (DOE) and JIP member companies. The objectives of the project were: (1) to develop and construct a new research facility that would allow three-phase (gas, liquid and cuttings) flow experiments under ambient and EPET (elevated pressure and temperature) conditions, and at different angle of inclinations and drill pipe rotation speeds; (2) to conduct experiments and develop a data base for the industry and academia; and (3) to develop mechanistic models for optimization of drilling hydraulics and cuttings transport. This project consisted of research studies, flow loop construction and instrumentation development. Following a one-year period for basic flow loop construction, a proposal was submitted by TU to the DOE for a five-year project that was organized in such a manner as to provide a logical progression of research experiments as well as additions to the basic flow loop. The flow loop additions and improvements included: (1) elevated temperature capability; (2) two-phase (gas and liquid, foam etc.) capability; (3) cuttings injection and removal system; (4) drill pipe rotation system; and (5) drilling section elevation system. In parallel with the flow loop construction, hydraulics and cuttings transport studies were preformed using drilling foams and aerated muds. In addition, hydraulics and rheology of synthetic drilling fluids were investigated. The studies were performed under ambient and EPET conditions. The effects of temperature and pressure on the hydraulics and cuttings transport were investigated. Mechanistic models were developed to predict frictional pressure loss and cuttings transport in horizontal and near-horizontal configurations. Model predictions were compared with the measured data. Predominantly, model predictions show satisfactory agreements with the measured data. As a part of this project, instrumentation was developed to monitor cuttings beds and characterize foams in the flow loop. An ultrasonic-based monitoring system was developed to measure cuttings bed thickness in the flow loop. Data acquisition software controls the system and processes the data. Two foam generating devices were designed and developed to produce foams with specified quality and texture. The devices are equipped with a bubble recognition system and an in-line viscometer to measure bubble size distribution and foam rheology, respectively. The 5-year project is completed. Future research activities will be under the umbrella of Tulsa University Drilling Research Projects. Currently the flow loop is being used for testing cuttings transport capacity of aqueous and polymer-based foams under elevated pressure and temperature conditions. Subsequently, the effect of viscous sweeps on cuttings transport under elevated pressure and temperature conditions will be investigated using the flow loop. Other projects will follow now that the ''steady state'' phase of the project has been achieved.

Stefan Miska; Troy Reed; Ergun Kuru

2004-09-30T23:59:59.000Z

446

Differentially-charged and sequentially-switched square-wave pulse forming network  

DOE Patents [OSTI]

A pulse forming network for delivering a high-energy square-wave pulse to a load, including a series of inductive-capacitive sections wherein the capacitors are differentially charged higher further from the load. Each charged capacitor is isolated from adjacent sections and the load by means of a normally open switch at the output of each section. The switch between the load and the closest section to the load is closed to begin discharge of the capacitor in that section into the load. During discharge of each capacitor, the voltage thereacross falls to a predetermined potential with respect to the potential across the capacitor in the next adjacent section further from the load. When this potential is reached, it is used to close the switch in the adjacent section further from the load and thereby apply the charge in that section to the load through the adjacent section toward the load. Each successive section further from the load is sequentially switched in this manner to continuously and evenly supply energy to the load over the period of the pulse, with the differentially charged capacitors providing higher potentials away from the load to compensate for the voltage drop across the resistance of each inductor. This arrangement is low in cost and yet provides a high-energy pulse in an acceptable square-wave form.

North, George G. [Stockton, CA; Vogilin, George E. [Livermore, CA

1980-04-01T23:59:59.000Z

447

Differentially-charged and sequentially-switched square-wave pulse forming network  

DOE Patents [OSTI]

Disclosed is a pulse forming network for delivering a high-energy square-wave pulse to a load, including a series of inductive-capacitive sections wherein the capacitors are differentially charged higher further from the load. Each charged capacitor is isolated from adjacent sections and the load by means of a normally open switch at the output of each section. The switch between the load and the closest section to the load is closed to begin discharge of the capacitor in that section into the load. During discharge of each capacitor, the voltage thereacross falls to a predetermined potential with respect to the potential across the capacitor in the next adjacent section further from the load. When this potential is reached, it is used to close the switch in the adjacent section further from the load and thereby apply the charge in that section to the load through the adjacent section toward the load. Each successive section further from the load is sequentially switched in this manner to continuously and evenly supply energy to the load over the period of the pulse, with the differentially charged capacitors providing higher potentials away from the load to compensate for the voltage drop across the resistance of each inductor. This arrangement is low in cost and yet provides a high-energy pulse in an acceptable square-wave form. 5 figs.

North, G.G.; Vogilin, G.E.

1980-04-01T23:59:59.000Z

448

Dynamic Simulation of Shipping Package Subjected to Torque Load and Sequential Impacts  

SciTech Connect (OSTI)

A numerical technique has been developed to simulate the structural responses of radioactive material packaging components requiring closure-tightening torque to the scenarios of the hypothetical accident conditions (HAC) defined in the Code of Federal Regulations Title 10 part 71 (10CFR 71). A rigorous solution to this type of problem poses a considerable mathematical challenge. Conventional methods for evaluating the residue stresses due to the torque load are either inaccurate or not applicable to dynamic analyses. In addition, the HAC events occur sequentially and the cumulative damage to the package needs to be evaluated. Commonly, individual HAC events are analyzed separately and the cumulative damage is not addressed. As a result, strict compliance of the package with the requirements specified in 10CFR 71 is usually demonstrated by physical testing. The proposed technique utilizes the combination of kinematic constraints, rigid-body motions and structural deformations to overcome some of the difficulties encountered in modeling the effect of cumulative damage in numerical solutions. The analyses demonstrating use of this technique were performed to determine the cumulative damage of torque preload, a 30-foot drop, a 30-foot dynamic crush and a 40-inch free fall onto a mild steel pipe.

Wu, T

2006-04-17T23:59:59.000Z

449

Dual-circuit, multiple-effect refrigeration system and method  

DOE Patents [OSTI]

A dual circuit absorption refrigeration system comprising a high temperature single-effect refrigeration loop and a lower temperature double-effect refrigeration loop separate from one another and provided with a double-condenser coupling therebetween. The high temperature condenser of the single-effect refrigeration loop is double coupled to both of the generators in the double-effect refrigeration loop to improve internal heat recovery and a heat and mass transfer additive such as 2-ethyl-1-hexanol is used in the lower temperature double-effect refrigeration loop to improve the performance of the absorber in the double-effect refrigeration loop.

DeVault, Robert C. (Knoxville, TN)

1995-01-01T23:59:59.000Z

450

Fluid dynamics on ultrastatic spacetimes and dual black holes  

E-Print Network [OSTI]

We show that the classification of shearless and incompressible stationary fluid flows on ultrastatic manifolds is equivalent to classifying the isometries of the spatial sections. For a flow on R x S$^2$ this leaves only one possibility, since on the 2-sphere all Killing fields are conjugate to each other, and it is well-known that the gravity dual of such a (conformal) fluid is the spherical KNAdS$_4$ black hole. On the other hand, in R x H$^2$ the situation is more complicated, since the isometry group of H$^2$ admits elliptic, parabolic and hyperbolic elements. One might thus ask what the gravity duals of the flows corresponding to these three different cases are. Answering this question is one of the scopes of this paper. In particular we identify the black hole dual to a fluid that is purely translating on the hyperbolic plane. Although this lies within the Carter-Plebanski (CP) class, it has never been studied in the literature before, and represents thus in principle a new black hole solution in AdS$_4$. For a rigidly rotating fluid in R x H$^2$ (holographically dual to the hyperbolic KNAdS$_4$ solution), there is a certain radius where the velocity reaches the speed of light, and thus the fluid can cover only the region within this radius. Quite remarkably, it turns out that the boundary of the hyperbolic KNAdS$_4$ black hole is conformal to exactly that part of R x H$^2$ in which the fluid velocity does not exceed the speed of light. We extend these results to establish a precise mapping between possible flows on ultrastatic spacetimes (with constant curvature spatial sections) and the parameter space of the CP solution. Finally, we show that the alternative description of the hyperbolic KNAdS$_4$ black hole in terms of fluid mechanics on R x S$^2$ or on flat space is dynamical and consists of a contracting or expanding vortex.

Dietmar Klemm; Andrea Maiorana

2014-07-09T23:59:59.000Z

451

DUAL PHASE MEMBRANE FOR HIGH TEMPERATURE CO2 SEPARATION  

SciTech Connect (OSTI)

This project is intended to expand upon the previous year's research en route to the development of a sustainable dual phase membrane for CO{sub 2} separation. It was found that the pores within the supports had to be less than 9 {micro}m in order to maintain the stability of the dual phase membrane. Pores larger than 9 {micro}m would be unable to hold the molten carbonate phase in place, rendering the membrane ineffective. Calculations show that 80% of the pore volume of the 0.5 media grade metal support was filled with the molten carbonate. Information obtained from EDS and SEM confirmed that the molten carbonate completely infiltrated the pores on both the contact and non-contact size of the metal support. Permeation tests for CO{sub 2} and N{sub 2} at 450-750 C show very low permeance of those two gases through the dual phase membrane, which was expected due to the lack of ionization of those two gases. Permeance of the CO{sub 2} and O{sub 2} mixture was much higher, indicating that the gases do form an ionic species, CO{sub 3}{sup 2-}, enhancing transport through the membrane. However, at temperatures in excess of 650 C, the permeance of CO{sub 3}{sup 2-} decreased quite rapidly, while predictions showed that permeance should have continued to increase. XRD data obtained form the surface of the membrane indicated the formation of lithium iron oxides on the support. This layer has a very low conductivity, which drastically reduces the flow of electrons to the CO{sub 2}/O{sub 2} gas mixture, limiting the formation of the ionic species. These results indicate that the use of stainless steel supports in a high temperature oxidative environment can lead to decreased performance of the membranes. This revelation has created the need for an oxidation resistant support, which can be gained by the use of a ceramic-type membrane. Future research efforts will be directed towards preparation of a new ceramic-carbonate dual phase membrane. The membrane will based on an oxide ceramic support that has an oxidation resistance better than the metal support and high electronic conductivity (1200-1500 S/cm) in the interested temperature range (400-600 C).

Jerry Y.S. Lin; Seungjoon Chung; Matthew Anderson

2005-12-01T23:59:59.000Z

452

Shear spectral sum rule in a nonconformal gravity dual  

SciTech Connect (OSTI)

A sum rule which relates a stress-energy tensor correlator to thermodynamic functions is examined within the context of a simple nonconformal gravity dual. Such a sum rule was previously derived using AdS/CFT for conformal N=4 supersymmetric Yang-Mills theory, but we show that it does not generalize to the nonconformal theory under consideration. We provide a generalized sum rule and numerically verify its validity. A useful by-product of the calculation is the computation of the spectral density in a strongly coupled nonconformal theory. Qualitative features of the spectral densities and implications for lattice measurements of transport coefficients are discussed.

Springer, Todd; Gale, Charles; Jeon, Sangyong [Department of Physics, McGill University, Montreal, Quebec, H3A2T8 (Canada); Lee, Su Houng [Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749 (Korea, Republic of); Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502 (Japan)

2010-11-15T23:59:59.000Z

453

Second order hydrodynamics for a special class of gravity duals  

SciTech Connect (OSTI)

The sound mode hydrodynamic dispersion relation is computed up to order q{sup 3} for a class of gravitational duals which includes both Schwarzschild AdS and Dp-brane metrics. The implications for second order transport coefficients are examined within the context of Israel-Stewart theory. These sound mode results are compared with previously known results for the shear mode. This comparison allows one to determine the third order hydrodynamic contributions to the shear mode for the class of metrics considered here.

Springer, T. [School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455 (United States)

2009-04-15T23:59:59.000Z

454

Non-linear parent action and dual gravity  

E-Print Network [OSTI]

We give a reformulation of non-linear Einstein gravity, which contains the dual graviton together with the ordinary metric and a shift gauge field. The metric does not enter through a `kinetic' Einstein-Hilbert term, but via topological couplings, and so the theory does not lead to a doubling of degrees of freedom. The field equations take the form of first-order duality relations. We analyze the gauge symmetries and comment on their meaning with regard to the E11 proposal.

Nicolas Boulanger; Olaf Hohm

2012-04-29T23:59:59.000Z

455

The thermodynamic dual structure of linear-dissipative driven systems  

E-Print Network [OSTI]

The spontaneous emergence of dynamical order, such as persistent currents, is sometimes argued to require principles beyond the entropy maximization of the second law of thermodynamics. I show that, for linear dissipation in the Onsager regime, current formation can be driven by exactly the Jaynesian principle of entropy maximization, suitably formulated for extended systems and nonequilibrium boundary conditions. The Legendre dual structure of equilibrium thermodynamics is also preserved, though it requires the admission of current-valued state variables, and their correct incorporation in the entropy.

Eric Smith

2005-05-02T23:59:59.000Z

456

Dual wavelength laser damage testing for high energy lasers.  

SciTech Connect (OSTI)

As high energy laser systems evolve towards higher energies, fundamental material properties such as the laser-induced damage threshold (LIDT) of the optics limit the overall system performance. The Z-Backlighter Laser Facility at Sandia National Laboratories uses a pair of such kiljoule-class Nd:Phosphate Glass lasers for x-ray radiography of high energy density physics events on the Z-Accelerator. These two systems, the Z-Beamlet system operating at 527nm/ 1ns and the Z-Petawatt system operating at 1054nm/ 0.5ps, can be combined for some experimental applications. In these scenarios, dichroic beam combining optics and subsequent dual wavelength high reflectors will see a high fluence from combined simultaneous laser exposure and may even see lingering effects when used for pump-probe configurations. Only recently have researchers begun to explore such concerns, looking at individual and simultaneous exposures of optics to 1064 and third harmonic 355nm light from Nd:YAG [1]. However, to our knowledge, measurements of simultaneous and delayed dual wavelength damage thresholds on such optics have not been performed for exposure to 1054nm and its second harmonic light, especially when the pulses are of disparate pulse duration. The Z-Backlighter Facility has an instrumented damage tester setup to examine the issues of laser-induced damage thresholds in a variety of such situations [2] . Using this damage tester, we have measured the LIDT of dual wavelength high reflectors at 1054nm/0.5ps and 532nm/7ns, separately and spatially combined, both co-temporal and delayed, with single and multiple exposures. We found that the LIDT of the sample at 1054nm/0.5ps can be significantly lowered, from 1.32J/cm{sup 2} damage fluence with 1054/0.5ps only to 1.05 J/cm{sup 2} with the simultaneous presence of 532nm/7ns laser light at a fluence of 8.1 J/cm{sup 2}. This reduction of LIDT of the sample at 1054nm/0.5ps continues as the fluence of 532nm/7ns laser light simultaneously present increases. The reduction of LIDT does not occur when the 2 pulses are temporally separated. This paper will also present dual wavelength LIDT results of commercial dichroic beam-combining optics simultaneously exposed with laser light at 1054nm/2.5ns and 532nm/7ns.

Atherton, Briggs W.; Rambo, Patrick K.; Schwarz, Jens; Kimmel, Mark W.

2010-05-01T23:59:59.000Z

457

A dual mass flux framework for boundary layer convection  

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 JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered¬ČPNGExperience hands-onASTROPHYSICSHeResearchcharm that has beenA dual mass

458

Transient dual-energy lasing in a semiconductor microcavity  

E-Print Network [OSTI]

We demonstrate sequential lasing at two well-separated energies in a highly photoexcited planar microcavity at room temperature. Two spatially overlapped lasing states with distinct polarization properties appear at energies more than 5 meV apart. Under a circularly polarized nonresonant 2 ps pulse excitation, a sub-10-ps transient circularly polarized high-energy (HE) state emerges within 10 ps after the pulse excitation. This HE state is followed by a pulsed state that lasts for 20--50 ps at a low energy (LE) state. The HE state is highly circularly polarized as a result of a spin-preserving stimulated process, while the LE state shows a significantly reduced circular polarization because of a diminishing spin imbalance.

Hsu, Feng-Kuo; Lee, Yi-Shan; Lin, Sheng-Di; Lai, Chih-Wei

2015-01-01T23:59:59.000Z

459

CONTENTDM ADVANCED SEARCH TUTORIAL Table of Contents  

E-Print Network [OSTI]

1 CONTENTDM ADVANCED SEARCH TUTORIAL Table of Contents 1. Accessing the Advanced Search Page 1 2. Navigating the Advanced Search Page 3 3. Selecting your collection to search Advanced Search from the right navigation menu. 2 This will take you into the CONTENTdm database

O'Laughlin, Jay

460

ABPDU - Advanced Biofuels Process Demonstration Unit  

SciTech Connect (OSTI)

Lawrence Berkeley National Lab opened its Advanced Biofuels Process Demonstration Unit on Aug. 18, 2011.

None

2011-01-01T23:59:59.000Z

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461

Advanced Manufacture of Reflectors  

SciTech Connect (OSTI)

The main project objective has been to develop an advanced gravity sag method for molding large glass solar reflectors with either line or point focus, and with long or short focal length. The method involves taking standard sized squares of glass, 1.65 m x 1.65 m, and shaping them by gravity sag into precision steel molds. The method is designed for high volume manufacture when incorporated into a production line with separate pre-heating and cooling. The performance objectives for the self-supporting glass mirrors made by this project include mirror optical accuracy of 2 mrad root mean square (RMS), requiring surface slope errors <1 mrad rms, a target not met by current production of solar reflectors. Our objective also included development of new methods for rapidly shaping glass mirrors and coating them for higher reflectivity and soil resistance. Reflectivity of 95% for a glass mirror with anti-soil coating was targeted, compared to the present ~94% with no anti-soil coating. Our mirror cost objective is ~$20/m2 in 2020, a significant reduction compared to the present ~$35/m2 for solar trough mirrors produced for trough solar plants. During the first year a custom batch furnace was built to develop the method with high power radiative heating to simulate transfer of glass into a hot slumping zone in a production line. To preserve the original high polish of the float glass on both front and back surfaces, as required for a second surface mirror, the mold surface is machined to the required shape as grooves which intersect the glass at cusps, reducing the mold contact area to significantly less than 1%. The mold surface is gold-plated to reflect thermal radiation. Optical metrology of glass replicas made with the system has been carried out with a novel, custom-built test system. This test provides collimated, vertically-oriented parallel beams from a linear array of co-aligned lasers translated in a perpendicular direction across the reflector. Deviations of each reflected beam from the paraboloid focus give a direct measure of surface slope error. Key findings ē A gravity sag method for large (2.5 m2) second surface glass solar reflectors has been developed and demonstrated to a uniquely high level of accuracy. Mirror surface slope accuracy of 0.65 mrad in one dimension, 0.85 mrad in 2 dimensions (point focus) has been demonstrated by commercial partner REhnu using this process. This accuracy exceeds by a factor of two current solar reflector accuracy. Our replicas meet the Sunshot accuracy objective of 2 mrad optical, which requires better than 1 mrad rms slope error. ē Point-focus as well as line-focus mirrors have been demonstrated at 1.65 m x 1.65 m square Ė a unique capability. ē The new process using simple molds is economical. The molds for the 1.65 m square reflectors are bent and machined steel plates on a counter-weighted flotation support. To minimize thermal coupling by radiative heat transfer, the mold surface is grooved and gilded. The molds are simple to manufacture, and have minimal thermal stresses and distortion in use. Lapping and bending techniques have been developed to obtain better than 1 mrad rms surface mold accuracy. Float glass is sagged into the molds by rapid radiative heating, using a custom high power (350 kW) furnace. The method of manufacture is well suited for small as well as large volume production, and as it requires little capital investment and no high technology, it could be used anywhere in the world to make solar concentrating reflectors. ē A novel slope metrology method for full 1.65 aperture has been demonstrated, with 25 mm resolution across the face of the replicas. The method is null and therefore inherently accurate: it can easily be reproduced without high-tech equipment and does not need sophisticated calibration. We find by cross calibration with reference trough reflectors from RioGlass that our null-test laser system yields a measurement accuracy better than 0.4 mrad rms slope error. Our system is inexpensive and could have broad application for test

Angel, Roger [University of Arizona

2014-12-17T23:59:59.000Z

462

Process for producing advanced ceramics  

DOE Patents [OSTI]

A process for the synthesis of homogeneous advanced ceramics such as SiC+AlN, SiAlON, SiC+Al.sub.2 O.sub.3, and Si.sub.3 N.sub.4 +AlN from natural clays such as kaolin, halloysite and montmorillonite by an intercalation and heat treatment method. Included are the steps of refining clays, intercalating organic compounds into the layered structure of clays, drying the intercalated mixture, firing the treated atmospheres and grinding the loosely agglomerated structure. Advanced ceramics produced by this procedure have the advantages of homogeneity, cost effectiveness, simplicity of manufacture, ease of grind and a short process time. Advanced ceramics produced by this process can be used for refractory, wear part and structure ceramics.

Kwong, Kyei-Sing (Tuscaloosa, AL)

1996-01-01T23:59:59.000Z

463

Mapping bone changes at the proximal femoral cortex of postmenopausal women in response to alendronate and teriparatide alone, combined or sequentially  

E-Print Network [OSTI]

Combining anti-resorptive and anabolic drugs for osteoporosis may be a useful strategy to prevent hip fractures. Previous studies comparing the effects of alendronate and teriparatide alone, combined or sequentially using Quantitative Computed...

Whitmarsh, Tristan; Treece, Graham M.; Gee, Andrew H.; Poole, Kenneth E. S.

2015-01-01T23:59:59.000Z

464

Monitoring system assists in dual-fuel engine knock prevention  

SciTech Connect (OSTI)

ABB Industrietechnik AG recently has introduced an augmented version of its Cyldeyt cylinder pressure monitoring system aimed at spark-ignited and diesel/gas, dual-fuel engines. In addition to recording and evaluating cylinder pressure as a means of assessing engine condition, the new Cyldet version now evaluates the cylinder pressure signals to provide protection against pre-ignition related damage. When pre-ignition reaches critical levels, the Cyldet computer relays alarm signals in two stages to the overriding engine control system of the power plant. On receiving the first-stage alarm signal, the engine control system is programmed to adjust one or more engine settings to eliminate preignition - a typical adjustment is to lower charge-air temperature, for example. If such measures fail to eliminate pre-ignition, in the case of a dual-fuel engine, a second alarm signal triggers a reduction in engine load or, as last resort, changeover of the engine to 100% diesel fuel charge. This paper outlines the advantages and applications of the system. 1 fig., 1 tab.

Not Available

1995-03-01T23:59:59.000Z

465

RefWorks for Business: Advanced Workshop Advanced Searching and Lookups  

E-Print Network [OSTI]

RefWorks for Business: Advanced Workshop Advanced Searching and Lookups Advanced Search There may Advanced Search is helpful. o Go to the Search menu > click Advanced Search Lookups Lookups be times when you want to do a detailed search for references stored in your RefWorks database. That's when

Haykin, Simon

466

Advanced Nuclear Fuel Cycle Options  

SciTech Connect (OSTI)

A systematic evaluation has been conducted of the potential for advanced nuclear fuel cycle strategies and options to address the issues ascribed to the use of nuclear power. Issues included nuclear waste management, proliferation risk, safety, security, economics and affordability, and sustainability. The two basic strategies, once-through and recycle, and the range of possibilities within each strategy, are considered for all aspects of the fuel cycle including options for nuclear material irradiation, separations if needed, and disposal. Options range from incremental changes to todayís implementation to revolutionary concepts that would require the development of advanced nuclear technologies.

Roald Wigeland; Temitope Taiwo; Michael Todosow; William Halsey; Jess Gehin

2010-06-01T23:59:59.000Z

467

Advanced Materials | More Science | ORNL  

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 Depth (AOD)ProductssondeadjustsondeadjustAbout the BuildingInnovation Portal Advanced MaterialMaterialsAdvanced

468

Dual Phase Membrane for High Temperature CO2 Separation  

SciTech Connect (OSTI)

This project aimed at synthesis of a new inorganic dual-phase carbonate membrane for high temperature CO{sub 2} separation. Metal-carbonate dual-phase membranes were prepared by the direct infiltration method and the synthesis conditions were optimized. Permeation tests for CO{sub 2} and N{sub 2} from 450-750 C showed very low permeances of those two gases through the dual-phase membrane, which was expected due to the lack of ionization of those two particular gases. Permeance of the CO{sub 2} and O{sub 2} mixture was much higher, indicating that the gases do form an ionic species, CO{sub 3}{sup 2-}, enhancing transport through the membrane. However, at temperatures in excess of 650 C, the permeance of CO{sub 3}{sup 2-} decreased rapidly, while predictions showed that permeance should have continued to increase with temperature. XRD data obtained from used membrane indicated that lithium iron oxides formed on the support surface. This lithium iron oxide layer has a very low conductivity, which drastically reduces the flow of electrons to the CO{sub 2}/O{sub 2} gas mixture; thus limiting the formation of the ionic species required for transport through the membrane. These results indicated that the use of stainless steel supports in a high temperature oxidative environment can lead to decreased performance of the membranes. This revelation created the need for an oxidation resistant support, which could be gained by the use of a ceramic-type membrane. Work was extended to synthesize a new inorganic dual-phase carbonate membrane for high temperature CO{sub 2} separation. Helium permeance of the support before and after infiltration of molten carbonate are on the order of 10{sup -6} and 10{sup -10} moles/m{sup 2} {center_dot} Pa {center_dot} s respectively, indicating that the molten carbonate is able to sufficiently infiltrate the membrane. It was found that La{sub 0.6}Sr{sub 0.4}Co{sub 0.8}Fe{sub 0.2}O{sub 3-{delta}} (LSCF) was a suitable candidate for the support material. This support material proved to separate CO{sub 2} when combined with O{sub 2} at a flux of 0.194 ml/min {center_dot} cm{sup 2} at 850 C. It was also observed that, because LSCF is a mixed conductor (conductor of both electrons and oxygen ions), the support was able to provide its own oxygen to facilitate separation of CO{sub 2}. Without feeding O{sub 2}, the LSCF dual phase membrane produced a maximum CO{sub 2} flux of 0.246 ml/min {center_dot} cm{sup 2} at 900 C.

Jerry Lin

2007-06-30T23:59:59.000Z

469

Primal-Dual Interior Point Method Applied to the Short Term Hydroelectric Scheduling Including a  

E-Print Network [OSTI]

Primal-Dual Interior Point Method Applied to the Short Term Hydroelectric Scheduling Including that minimizes losses in the transmission and costs in the generation of a hydroelectric power system, formulated such perturbing parameter. Keywords-- Hydroelectric power system, Network flow, Predispatch, Primal-dual interior

Oliveira, Aurélio R. L.

470

*Course can be taken fall or spring ** Yearlong course MA/MSW DUAL DEGREE PROGRAM  

E-Print Network [OSTI]

1 *Course can be taken fall or spring ** Yearlong course MA/MSW DUAL DEGREE PROGRAM 2014-2015 PURPOSE In 1989 the Dual Degree in Social Work (MSW) and Pastoral Ministry (MA) Program was developed) and the Master of Social Work (MSW) degrees in approximately 3 years of full-time study (less if taking STM

Huang, Jianyu

471

Comprehensive computational model of single-and dual-loop optoelectronic  

E-Print Network [OSTI]

Comprehensive computational model of single- and dual-loop optoelectronic oscillators describe a comprehensive computational model for single- loop and dual-loop optoelectronic oscillators amplifiers and oscillators; (230.0250) Optoelectronics; (230.4910) Oscillators. References and links 1. X. S

Horowitz, Moshe

472

Fast, long-scan-range pump-probe measurement based on asynchronous sampling using a dual-  

E-Print Network [OSTI]

Fast, long-scan-range pump-probe measurement based on asynchronous sampling using a dual-scan-range pump-probe scheme is experimentally demonstrated using a dual-wavelength passively mode- locked fiber. 134(25), 10569­10583 (2012). 4. A. Schmidt, M. Chiesa, X. Chen, and G. Chen, "An optical pump

Wu, Shin-Tson

473

REAL-TIME DUAL-MICROPHONE SPEECH ENHANCEMENT USING FIELD PROGRAMMABLE GATE ARRAYS  

E-Print Network [OSTI]

REAL-TIME DUAL-MICROPHONE SPEECH ENHANCEMENT USING FIELD PROGRAMMABLE GATE ARRAYS David Halupka@eecg}.toronto.edu ABSTRACT This paper discusses an implementation of a dual- microphone phase-based speech enhancement or irrelevant conversations, are present has fueled research interest in the areas of speech enhancement

Sheikholeslami, Ali

474

MHD Analysis of Dual Coolant Pb-17Li Blanket for ARIES-CS C. Mistrangelo1  

E-Print Network [OSTI]

MHD Analysis of Dual Coolant Pb-17Li Blanket for ARIES-CS C. Mistrangelo1 , A. R. Raffray2 of California, San Diego, La Jolla, CA 92093-0438, USA, rraffray@ucsd.edu A dual coolant Pb-17Li (DCLL) blanket of magnetohydrodynamic (MHD) flows in the poloidal channels that distribute the liquid metal in the breeder units has

Raffray, A. Renť

475

Surface Extraction from Multi-Material Components for Metrology using Dual Energy CT  

E-Print Network [OSTI]

materials (e.g., carbon-fibre-reinforced plas- tics) induce manufacturers to design new functionSurface Extraction from Multi-Material Components for Metrology using Dual Energy CT Christoph surface models of multi-material components using dual energy com- puted tomography (DECT

476

Fast 3D Brain Segmentation Using Dual-Front Active Contours with Optional User-Interaction  

E-Print Network [OSTI]

Fast 3D Brain Segmentation Using Dual-Front Active Contours with Optional User-Interaction Hua Li1 attributes of 3D brain segmentation algorithms in- clude robustness, accuracy, computational efficiency result. We propose a novel 3D brain cortex segmentation procedure utilizing dual- front active contours

Cohen, Laurent

477

Ordered Arrays of Dual-Diameter Nanopillars for Maximized Optical Absorption  

E-Print Network [OSTI]

Ordered Arrays of Dual-Diameter Nanopillars for Maximized Optical Absorption Zhiyong Fan,,,§ Rehan control to achieve the optimal absorption efficiency. Increasing the Ge materials filling ratio is shown a strong diameter dependency. To enhance the broad band optical absorption efficiency, a novel dual

Javey, Ali

478

PROOF-OF-CONCEPT OF A DUAL-FIRED (SOLAR & NATURAL GAS) GENERATOR  

E-Print Network [OSTI]

End-Use Energy Efficiency · Industrial/Agricultural/Water End-Use Energy Efficiency · Renewable EnergyPROOF-OF-CONCEPT OF A DUAL-FIRED (SOLAR & NATURAL GAS) GENERATOR FOR USE IN A SPACE-COOLING SYSTEM REPORT (FAR) PROOF-OF-CONCEPT OF A DUAL-FIRED (SOLAR & NATURAL GAS) GENERATOR FOR USE IN A SPACE COOLING

479

WILD QUOTIENT SURFACE SINGULARITIES WHOSE DUAL GRAPHS ARE NOT STAR-SHAPED  

E-Print Network [OSTI]

WILD QUOTIENT SURFACE SINGULARITIES WHOSE DUAL GRAPHS ARE NOT STAR-SHAPED HIROYUKI ITO AND STEFAN- zini on wild quotient singularities in dimension two. Using Kato's theory of log structures and log of Heisenberg groups lead to examples of wild quotient singularities where the dual graph contains at least two

Schröer, Stefan

480

Production, Manufacturing and Logistics Managing inventories in a two-echelon dual-channel  

E-Print Network [OSTI]

Production, Manufacturing and Logistics Managing inventories in a two-echelon dual-channel supply We present a two-echelon dual-channel inventory model in which stocks are kept in both a manufacturer the Internet-based direct channel. The demand of retail customers is met with the on-hand inventory from

Chiang, Wei-yu Kevin

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481

Development of Dual-Electrode Amperometric Detectors for Liquid Chromatography and Capillary Electrophoresis  

E-Print Network [OSTI]

be operated in either a redox cycling mode or dualĖpotential mode, where either chemical reversibility or voltammetry could be used as a means to confirm migration based peak identification, respectively. The same design was then applied for a dual Au/Hg...

Dorris, Megan

2013-05-31T23:59:59.000Z

482

Inventory Management for Dual Sales Channels with Inventory-Level-Dependent Demand  

E-Print Network [OSTI]

Inventory Management for Dual Sales Channels with Inventory-Level-Dependent Demand Tingting Li Sciences, Tsinghua University, Beijing, China, 100084 Abstract We study the optimal inventory policy of vendor operating dual channels. Demand of each channel depends on inventory levels of both channels. We

Xie, Jinxing

483

(will be inserted by the editor) Dual Orientation and Variant Selection during Diffusional  

E-Print Network [OSTI]

- volves long-range diffusion and which undoubtedly is the dominant phase in the vast majority of steels(will be inserted by the editor) Dual Orientation and Variant Selection during Diffusional it is in contact. However, the theoretical prob- ability for the development of such a dual orientation has

Cambridge, University of

484

Modular Dual Coolant Pb-17Li Blanket Design For ARIES-CS Compact Stellarator Power Plant  

E-Print Network [OSTI]

of the study. The preferred blanket concept is a dual coolant blanket with a He- cooled ferritic steel firstModular Dual Coolant Pb-17Li Blanket Design For ARIES-CS Compact Stellarator Power Plant X.R. Wanga from the engineering effort during the second phase of ARIES-CS study on the conceptual design

Raffray, A. René

485

Analysis of ignition behavior in a turbocharged direct injection dual fuel engine using propane and methane as primary fuels  

SciTech Connect (OSTI)

This paper presents experimental analyses of the ignition delay (ID) behavior for diesel-ignited propane and diesel-ignited methane dual fuel combustion. Two sets of experiments were performed at a constant speed (1800 rev/min) using a 4-cylinder direct injection diesel engine with the stock ECU and a wastegated turbocharger. First, the effects of fuel-air equivalence ratios (√?¬?√?¬© pilot √?¬Ę√?¬?√?¬ľ 0.2-0.6 and √?¬?√?¬© overall √?¬Ę√?¬?√?¬ľ 0.2-0.9) on IDs were quantified. Second, the effects of gaseous fuel percent energy substitution (PES) and brake mean effective pressure (BMEP) (from 2.5 to 10 bar) on IDs were investigated. With constant √?¬?√?¬© pilot (> 0.5), increasing √?¬?√?¬© overall with propane initially decreased ID but eventually led to premature propane autoignition; however, the corresponding effects with methane were relatively minor. Cyclic variations in the start of combustion (SOC) increased with increasing √?¬?√?¬© overall (at constant √?¬?√?¬© pilot), more significantly for propane than for methane. With increasing PES at constant BMEP, the ID showed a nonlinear (initially increasing and later decreasing) trend at low BMEPs for propane but a linearly decreasing trend at high BMEPs. For methane, increasing PES only increased IDs at all BMEPs. At low BMEPs, increasing PES led to significantly higher cyclic SOC variations and SOC advancement for both propane and methane. Finally, the engine ignition delay (EID) was also shown to be a useful metric to understand the influence of ID on dual fuel combustion.

Polk, A. C.; Gibson, C. M.; Shoemaker, N. T.; Srinivasan, K. K.; Krishnan, S. R.

2011-10-05T23:59:59.000Z

486

A dual-porosity reservoir model with a nonlinear coupling term  

SciTech Connect (OSTI)

Since their introduction by Barenblatt et al. (1960), double-porosity models have been widely used for simulating flow in fractured reservoirs, such as geothermal reservoirs. In a dual-porosity system, the matrix blocks provide most of the storage of the reservoir, whereas the fractures provide the global transmissivity. Initially, most work on dual-porosity models emphasized the development of analytical solutions to idealized reservoir problems. Increasingly, the dual-porosity approach is being implemented by numerical reservoir simulators. Accurate numerical simulation of a dual-porosity problem often requires a prohibitively large number of computational cells in order to resolve the transient pressure gradients in the matrix blocks. We discuss a new dual-porosity model that utilizes a nonlinear differential equation to approximate the fracture/matrix interactions, When implemented into a numerical simulator, it eliminates the need to discretize the matrix blocks, and thereby allows more efficient simulation of reservoir problems.

Zimmerman, R.W.; Chen, G.; Hadgu, T.; Bodvarsson, G.S.

1992-09-01T23:59:59.000Z

487

Dual Feedback Controlled High Performance Ar Seeded ELMy H-mode Discharges in JET including Trace Tritium Experiments  

E-Print Network [OSTI]

Dual Feedback Controlled High Performance Ar Seeded ELMy H-mode Discharges in JET including Trace Tritium Experiments

488

Advanced Fuels Campaign 2012 Accomplishments  

SciTech Connect (OSTI)

The Advanced Fuels Campaign (AFC) under the Fuel Cycle Research and Development (FCRD) program is responsible for developing fuels technologies to support the various fuel cycle options defined in the DOE Nuclear Energy Research and Development Roadmap, Report to Congress, April 2010. The fiscal year 2012 (FY 2012) accomplishments are highlighted below. Kemal Pasamehmetoglu is the National Technical Director for AFC.

Not Listed

2012-11-01T23:59:59.000Z

489

ADVANCED GAS TURBINE SYSTEMS RESEARCH  

SciTech Connect (OSTI)

The activities of the Advanced Gas Turbine Systems Research (AGTSR) program for this reporting period are described in this quarterly report. The report is divided into discussions of Membership, Administration, Technology Transfer (Workshop/Education), Research and Miscellaneous Related Activity. Items worthy of note are presented in extended bullet format following the appropriate heading.

Unknown

2002-04-01T23:59:59.000Z

490

Digital Tomosynthesis: Advanced Breast Cancer  

E-Print Network [OSTI]

creating an image. · A newer process, called full field digital mammography uses digital receptors. #12Digital Tomosynthesis: Advanced Breast Cancer Imaging Technique Max Wiedmann #12;Digital Bremsstrahlung, a process in which electrons are accelerated against an anode, causing photons to be fired off

Fygenson, Deborah Kuchnir

491

PEM Electrolyzer Incorporating an Advanced  

E-Print Network [OSTI]

PEM Electrolyzer Incorporating an Advanced Low Cost Membrane Monjid Hamdan Giner Electrochemical (Academic)­ Membrane Development Collaborations 3M Fuel Cell Components Program­ NSTF Catalyst & Membrane Entegris ­ Carbon Cell Separators Tokuyama ­ Low-Cost Membrane Prof. R. Zalosh (WPI) ­ Hydrogen Safety

492

Advances in James P. Hartnett  

E-Print Network [OSTI]

P. HARTNETT AND MILIVOJE KOSTIC* Energy Resources Center, University of Illinois at Chicago, ChicagoAdvances in HEAT TRANSFER Edited by James P. Hartnett Energy Resources Center University of Illinois at Chicago Chicago, Illinois Volume 19 0AP Thomas F. Irvine, Jr. Department of Mechanical

Kostic, Milivoje M.

493

ADVANCED DECISION ANALYSIS Winter 2011  

E-Print Network [OSTI]

ADVANCED DECISION ANALYSIS PH 444 Winter 2011 Course Instructor: Gordon Hazen, Ph.D. Professor a factored cost-effectiveness model · Construct a stochastic tree transition diagram for a medical treatment problem. · Convert a stochastic tree diagram to a discrete-time Markov chain transition diagram

Chisholm, Rex L.

494

PAMPA II Advanced Charting System  

E-Print Network [OSTI]

where the project is heading, and if needed, then look into the finer level details by drilling down to locate and correct problems. The objective of this thesis is to build an Advanced Charting System (ACS), which would act as a companion to PAMPA 2...

Inbarajan, Prabhu Anand

2004-09-30T23:59:59.000Z

495

ADVANCED GAS TURBINE SYSTEMS RESEARCH  

SciTech Connect (OSTI)

The activities of the Advanced Gas Turbine Systems Research (AGRSR) program are described in the quarterly report. The report is divided into discussions of Membership, Administration, Technology Transfer (Workshop/Education) and Research. Items worthy of note are presented in extended bullet format following the appropriate heading.

Unknown

2000-01-01T23:59:59.000Z

496

ADVANCED GAS TURBINE SYSTEMS RESEARCH  

SciTech Connect (OSTI)

The activities of the Advanced Gas Turbine Systems Research (AGTSR) program for this reporting period are described in this quarterly report. The report is divided into discussions of Membership, Administration, Technology Transfer (Workshop/Education), Research and Miscellaneous Related Activity. Items worthy of note are presented in extended bullet format following the appropriate heading.

Unknown

2002-02-01T23:59:59.000Z

497

Gas fired Advanced Turbine System  

SciTech Connect (OSTI)

The primary objective of the first phase of the Advanced Gas Turbine System (ATS) program was the concept definition of an advanced engine system that meets efficiency and emission goals far exceeding those that can be provided with today`s equipment. The thermal efficiency goal for such an advanced industrial engine was set at 50% some 15 percentage points higher than current equipment levels. Exhaust emissions goals for oxides of nitrogen (NO{sub x}), carbon monoxide (CO), and unburned hydrocarbons (UH) were fixed at 8 parts per million by volume (ppmv), 20 ppmv, and 20 ppmv respectively, corrected to 15% oxygen (O{sub 2}) levels. Other goals had to be addressed; these involved reducing the cost of power produced by 10 percent and improving or maintaining the reliability, availability, and maintainability (RAM) at current levels. This advanced gas turbine was to be fueled with natural gas, and it had to embody features that would allow it bum coal or coal derived fuels.

LeCren, R.T.; White, D.J.

1993-01-01T23:59:59.000Z

498

Department of Advanced Materials Science  

E-Print Network [OSTI]

@k.u-tokyo.ac.jpe-mail 04-7136-3781T E L Environmental-friendly materials process, Metal smelting and re ning process of Advanced Materials Science masashi@issp.u-tokyo.ac.jpe-mail 04-7136-3225T E L Nuclear magnetic resonance New Materials Synthesis, Superconductivity, Quantum Spin Liquid,Topological Hall Effect takatama

Katsumoto, Shingo

499

Dual-energy synchrotron X ray measurements of rapid soil density and water content changes in swelling soils  

E-Print Network [OSTI]

Dual-energy synchrotron X ray measurements of rapid soil density and water content changes content and bulk density. A number of studies have used dual-energy gamma rays to investigate soil in moisture content and soil swelling shortly after infiltration is initiated. In this paper, we use the dual-energy

Walter, M.Todd

500

Dual Phase Membrane for High temperature CO2 Separation  

SciTech Connect (OSTI)

Research in the previous years in this project found that stainless steel supports are oxidized during high temperature, dual phase membrane separation of carbon dioxide (with oxygen). Consequently, a new material has been sought to alleviate the problems with oxidation. Lanthanum cobaltite oxide is a suitable candidate for the support material in the dual phase membrane due to its oxidation resistance and electronic conductivity. Porous lanthanum cobaltite membranes were prepared via the citrate method, using nitrate metal precursors as the source of La, Sr, Co and Fe. The material was prepared and ground into a powder, which was subsequently pressed into disks for sintering at 900 C. Conductivity measurements were evaluated using the four-probe DC method. Support pore size was determined by helium permeation. Conductivity of the lanthanum cobaltite material was found to be at a maximum of 0.1856 S/cm at 550 C. The helium permeance of the lanthanum cobaltite membranes for this research was on the order of 10{sup -6} moles/m{sup 2} {center_dot} Pa {center_dot} s, proving that the membranes are porous after sintering at 900 C. The average pore size based on steady state helium permeance measurements was found to be between 0.37 and 0.57 {micro}m. The lanthanum cobaltite membranes have shown to have desired porosity, pore size and electric conductivity as the support for the dual-phase membranes. Molten carbonate was infiltrated to the pores of lanthanum cobaltite membranes support. After infiltration with molten carbonate, the helium permeance of the membranes decreased by three orders of magnitude to 10{sup -9} moles/m{sup 2} {center_dot} Pa {center_dot} s. This number, however, is one order of magnitude larger than the room temperate permeance of the stainless steel supports after infiltration with molten carbonate. Optimization of the dip coating process with molten carbonate will be evaluated to determine if lower permeance values can be obtained with the lanthanum cobaltite membrane supports.

Jerry Y.S. Lin; Matthew Anderson

2005-12-01T23:59:59.000Z