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1

Conceptual Modelling in Error Analysis in Computer-Assisted Language Learning Systems  

E-Print Network [OSTI]

Conceptual Modelling in Error Analysis in Computer- Assisted Language Learning Systems Thierry : "Conceptual Modelling in Error Analysis in Computer Assisted Language Learning Systems". The Bridge of the learner model. We review error analysis in second language learning and tutoring systems related

Paris-Sud XI, Université de

2

Conceptual Model | Open Energy Information  

Open Energy Info (EERE)

Conceptual Model Conceptual Model Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Conceptual Model Details Activities (17) Areas (4) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Data and Modeling Techniques Exploration Sub Group: Modeling Techniques Parent Exploration Technique: Modeling Techniques Information Provided by Technique Lithology: Rock types, rock chemistry, stratigraphic layer organization Stratigraphic/Structural: Location and shape of permeable and non-permeable structures, faults, fracture patterns Hydrological: Hydrothermal fluid flow characteristics, up-flow patterns Thermal: Temperature and pressure extrapolation throughout reservoir, heat source characteristics Dictionary.png Conceptual Model:

3

Geothermal resource conceptual models using surface exploration data | Open  

Open Energy Info (EERE)

Geothermal resource conceptual models using surface exploration data Geothermal resource conceptual models using surface exploration data Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Geothermal resource conceptual models using surface exploration data Abstract The most important element of an analysis to target a geothermal well or assess resource capacity is a resource conceptual model consistent with the available information. A common alternative approach to both targeting and assessment is to focus on a data anomaly or, in some cases, several stacked anomalies. However, even stacked anomalies are commonly misleading without support from a conceptual model. The most important element of a geothermal conceptual model is a predicted natural state isotherm pattern, especially in section view. Although inferring such an isotherm pattern at an

4

Information on Hydrologic Conceptual Models, Parameters, Uncertainty Analysis, and Data Sources for Dose Assessments at Decommissioning Sites  

SciTech Connect (OSTI)

This report addresses issues related to the analysis of uncertainty in dose assessments conducted as part of decommissioning analyses. The analysis is limited to the hydrologic aspects of the exposure pathway involving infiltration of water at the ground surface, leaching of contaminants, and transport of contaminants through the groundwater to a point of exposure. The basic conceptual models and mathematical implementations of three dose assessment codes are outlined along with the site-specific conditions under which the codes may provide inaccurate, potentially nonconservative results. In addition, the hydrologic parameters of the codes are identified and compared. A methodology for parameter uncertainty assessment is outlined that considers the potential data limitations and modeling needs of decommissioning analyses. This methodology uses generic parameter distributions based on national or regional databases, sensitivity analysis, probabilistic modeling, and Bayesian updating to incorporate site-specific information. Data sources for best-estimate parameter values and parameter uncertainty information are also reviewed. A follow-on report will illustrate the uncertainty assessment methodology using decommissioning test cases.

Meyer, Philip D.; Gee, Glendon W.; Nicholson, Thomas J.

2000-02-28T23:59:59.000Z

5

Definition: Conceptual Model | Open Energy Information  

Open Energy Info (EERE)

Definition Definition Edit with form History Facebook icon Twitter icon » Definition: Conceptual Model Jump to: navigation, search Dictionary.png Conceptual Model In the broadest terms, a conceptual model is anything used to represent anything else. In geothermal exploration a conceptual model is a descriptive and qualitative model (not used for calculations) integrating and bringing together the physical features of a system to create a representation of the geothermal reservoir.[1] View on Wikipedia Wikipedia Definition In the most general sense, a model is anything used in any way to represent anything else. Some models are physical objects, for instance, a toy model which may be assembled, and may even be made to work like the object it represents. Whereas, a conceptual model is a model that exists

6

Conceptual Models of Geothermal Systems - Introduction | Open Energy  

Open Energy Info (EERE)

Conceptual Models of Geothermal Systems - Introduction Conceptual Models of Geothermal Systems - Introduction Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Conceptual Models of Geothermal Systems - Introduction Abstract The key to the successful exploration, development (incl. drilling) and utilization of any type of geothermal system is a clear definition and understanding of the nature and characteristics of the system in question. This is best achieved through the development of a conceptual model of the system, which is a descriptive or qualitative model incorporating, and unifying, the essential physical features of the system. Conceptual models are mainly based on analysis of geological and geophysical information, temperature and pressure data, information on reservoir properties as well

7

CONCEPTUAL MODELLING OF A CONCURRENT ENGINEERING ENVIRONMENT  

E-Print Network [OSTI]

CONCEPTUAL MODELLING OF A CONCURRENT ENGINEERING ENVIRONMENT Z. Turk1 , R. Wasserfuhr2 , P modelling framework which decomposes an abstract concurrent engineering environment into several modelling the problems focused upon in our research work. 1.1 Towards a Concurrent Engineering Environment Winner et al

Amor, Robert

8

Geothermal Resource Conceptual Models Using Surface Exploration Data | Open  

Open Energy Info (EERE)

form form View source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit with form History Facebook icon Twitter icon » Geothermal Resource Conceptual Models Using Surface Exploration Data Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Geothermal Resource Conceptual Models Using Surface Exploration Data Abstract The most important element of an analysis to target a geothermal well or assess resource capacity is a resource conceptual model consistent with the available information. A common alternative approach to both targeting and assessment is to focus on a data anomaly or, in some cases, several stacked anomalies. However, even stacked anomalies are commonly misleading without

9

Leveraging Model-Based Tool Integration by Conceptual Modeling Techniques  

Science Journals Connector (OSTI)

In the context of model-based tool integration, model transformation languages are the first choice for realizing model exchange between heterogenous tools. However, the lack of a conceptual view on the integr...

Gerti Kappel; Manuel Wimmer; Werner Retschitzegger

2011-01-01T23:59:59.000Z

10

Leveraging model-based tool integration by conceptual modeling techniques  

Science Journals Connector (OSTI)

In the context of model-based tool integration, model transformation languages are the first choice for realizing model exchange between heterogenous tools. However, the lack of a conceptual view on the integration problem and appropriate reuse mechanisms ...

Gerti Kappel; Manuel Wimmer; Werner Retschitzegger; Wieland Schwinger

2011-01-01T23:59:59.000Z

11

A Conceptual Model for Partially PremixedLow-Temperature Diesel...  

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

Model for Partially PremixedLow-Temperature Diesel Combustion Based onIn-Cylinder Laser Diagnostics and Chemical Kinetics Modeling A Conceptual Model for Partially...

12

Conceptual Model At Raft River Geothermal Area (1980) | Open Energy  

Open Energy Info (EERE)

0) 0) Exploration Activity Details Location Raft River Geothermal Area Exploration Technique Conceptual Model Activity Date 1980 Usefulness not indicated DOE-funding Unknown Exploration Basis Determine the relevant data necessary to assess a geothermal reservoir in similar rock types and use cross plots to potentially define the producing zones. Notes A conceptual model was developed that uses all geophysical data that has been collected on the area to determine the rock types and reasonable values of the parameters of interest. Emphasis has been on developing a simple interpretation scheme from a minimum of data sets. However, the cross plotting of various parameters has allowed a determination of rock types and an analysis of the degree of alteration and the density of

13

Conceptual Model At Coso Geothermal Area (1990) | Open Energy Information  

Open Energy Info (EERE)

Conceptual Model At Coso Geothermal Area (1990) Conceptual Model At Coso Geothermal Area (1990) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Conceptual Model Activity Date 1990 Usefulness useful DOE-funding Unknown Exploration Basis To develop an understanding of the fracture hydrology of the Coso Mountains crystalline terrain and its hydrologic connection to regional groundwater and thermal source Notes An interpreted, conceptually balanced regional cross section that extends from the Sierra Nevada through the geothermal reservoir to the Panamint Mountains is presented. The cross section is constrained by new reflection and refraction seismic data, gravity and magnetic modeling, drilling data from the geothermal reservoir, and published regional geologic mapping. The

14

Conceptual Model At Dixie Valley Geothermal Area (Parchman, Et...  

Open Energy Info (EERE)

Parchman, Et Al., 1981) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Conceptual Model At Dixie Valley Geothermal Area (Parchman, Et Al., 1981)...

15

Conceptual Model At Valles Caldera - Redondo Geothermal Area...  

Open Energy Info (EERE)

Area Exploration Technique Conceptual Model Activity Date - 1988 Usefulness useful DOE-funding Unknown Exploration Basis The study reports well log data from five wells...

16

Thermodynamic Modeling and Analysis of the Ratio of Heat to Power Based on a Conceptual CHP System  

E-Print Network [OSTI]

The CHP system not only produces electrical energy, but also produces thermal energy. An extensive analysis of the CHP market reveals that one of the most important engineering characteristics is flexibility. A variable heat-to-power ratio has...

Liu, Z.; Li, X.; Liu, Z.

2006-01-01T23:59:59.000Z

17

Object-Oriented Modeling --1 2004 John Mylopoulos Conceptual Modeling CSC2507  

E-Print Network [OSTI]

Object-Oriented Modeling -- 1 2004 John Mylopoulos Conceptual Modeling CSC2507 Object-Oriented ModelingV. Object-Oriented Modeling Object-Oriented Modeling -- 2 2004 John Mylopoulos Conceptual Modeling and implementations. #12;Object-Oriented Modeling -- 3 2004 John Mylopoulos Conceptual Modeling CSC2507 Basic Concepts

Mylopoulos, John

18

Conceptual Model At Raft River Geothermal Area (1981) | Open Energy  

Open Energy Info (EERE)

Conceptual Model At Raft River Geothermal Area (1981) Conceptual Model At Raft River Geothermal Area (1981) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Conceptual Model At Raft River Geothermal Area (1981) Exploration Activity Details Location Raft River Geothermal Area Exploration Technique Conceptual Model Activity Date 1981 Usefulness not indicated DOE-funding Unknown Exploration Basis Use geoscience data to develop a conceptual model of the reservoir. Notes The geoscience data gathered in the drilling and testing of seven geothermal wells suggest that the thermal reservoir is: (a) produced from fractures found at the contact metamorphic zone, apparently the base of detached normal faulting from the Bridge and Horse Well Fault zones of the Jim Sage Mountains; (b) anisotropic, with the major axis of hydraulic

19

Conceptual Model At Raft River Geothermal Area (1988) | Open Energy  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Conceptual Model At Raft River Geothermal Area (1988) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Conceptual Model At Raft River Geothermal Area (1988) Exploration Activity Details Location Raft River Geothermal Area Exploration Technique Conceptual Model Activity Date 1988 Usefulness not indicated DOE-funding Unknown Exploration Basis Use geophysical logs to determine the reservoir transmissivity Notes Seven fracture orientation sets are recognized in the sedimentary and metamorphic rock units. Although the conventional geophysical logs showed

20

Geology And A Working Conceptual Model Of The Obsidian Butte (Unit 6)  

Open Energy Info (EERE)

Geology And A Working Conceptual Model Of The Obsidian Butte (Unit 6) Geology And A Working Conceptual Model Of The Obsidian Butte (Unit 6) Sector Of The Salton Sea Geothermal Field, California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Paper: Geology And A Working Conceptual Model Of The Obsidian Butte (Unit 6) Sector Of The Salton Sea Geothermal Field, California Details Activities (2) Areas (1) Regions (0) Abstract: A working conceptual model has been developed for the southwestern portion of the Salton Sea geothermal system, the region encompasing CalEnergy Operating Company's imnent 'Unit 6' field expansion (185 megawatts). The model is based on examination and analysis of several thousand borehole rock samples combined with a wealth of subsurface information made available for the first time from the databases of present

Note: This page contains sample records for the topic "analysis conceptual model" 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

A Conceptual Model Approach to the Geophysical Exploration of...  

Open Energy Info (EERE)

a hot spring are far more diagnostic than a shallow well or an oil seep would be in a petroleum context. A conceptual model approach is particularly effective in geothermal...

22

Conceptual Model At Raft River Geothermal Area (1990) | Open Energy  

Open Energy Info (EERE)

Conceptual Model At Raft River Geothermal Area (1990) Conceptual Model At Raft River Geothermal Area (1990) Exploration Activity Details Location Raft River Geothermal Area Exploration Technique Conceptual Model Activity Date 1990 Usefulness not indicated DOE-funding Unknown Exploration Basis Develop a conceptual model to explain the exposed rocks. Notes Although commonly obscured by simple shear, pure shear fabrics occur locally within many metamorphic core complexes. The cover rocks of the Raft River metamorphic core complex exposed within the Black Pine Mountains display an early coaxial strain history which developed prior to the formation of low-angle fault-bounded allochthons. At higher structural levels this is documented by pressure shadows with straight sutures, and oppositely-rotated antitaxial calcite veins.

23

An Updated Conceptual Model Of The Los Humeros Geothermal Reservoir  

Open Energy Info (EERE)

Humeros Geothermal Reservoir Humeros Geothermal Reservoir (Mexico) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: An Updated Conceptual Model Of The Los Humeros Geothermal Reservoir (Mexico) Details Activities (0) Areas (0) Regions (0) Abstract: An analysis of production and reservoir engineering data of 42 wells from the Los Humeros geothermal field (Mexico) allowed obtaining the pressure and temperature profiles for the unperturbed reservoir fluids and developing 1-D and 2-D models for the reservoir. Results showed the existence of at least two reservoirs in the system: a relatively shallow liquid-dominant reservoir located between 1025 and 1600 m above sea level (a.s.l.) the pressure profile of which corresponds to a 300-330°C boiling water column and a deeper low-liquid-saturation reservoir located between

24

Conceptual Model At Raft River Geothermal Area (1987) | Open Energy  

Open Energy Info (EERE)

Exploration Activity Details Exploration Activity Details Location Raft River Geothermal Area Exploration Technique Conceptual Model Activity Date 1987 Usefulness not indicated DOE-funding Unknown Exploration Basis To model the kinematics of compressional and extensional ductile shearing deformation Notes Analysis of shear criteria enables the kinematics of two main ductile-shearing events (D1 and D2) to be established in the Raft River, Grouse Creek and Albion 'metamorphic core complex'. The first event (D1) is a NNE-thrusting and corresponds to Mesozoic shortening. A well developed non-coaxial ductile deformation (D2), of Cenozoic age, is marked by the occurrence of opposing eastward (in Raft River) and westward shear criteria (in Albion-Grouse Creek). These characterize an arch structure

25

Seismic Reflection Data and Conceptual Models for Geothermal Development in  

Open Energy Info (EERE)

Seismic Reflection Data and Conceptual Models for Geothermal Development in Seismic Reflection Data and Conceptual Models for Geothermal Development in Nevada Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Seismic Reflection Data and Conceptual Models for Geothermal Development in Nevada Abstract Seismic reflection data were collected in two geothermalareas in Nevada to support geologic structural models andgeothermal well targeting. The data were integrated withsurface mapping, well results, and other geophysical data inconceptual geologic models in both areas. Faults wereinterpreted from reflection data based on reflector offsetsand apparent fault surface reflectors dipping away from therange front. Interpreted faults at Blue Mt., where severalwells have been drilled, correlated with well entries.Subsequent well targeting based on the conceptualstructural model

26

EER-CONCEPTOOL: Conceptual Analysis of EER Schemas and Ontologies  

E-Print Network [OSTI]

EER-CONCEPTOOL: Conceptual Analysis of EER Schemas and Ontologies Ernesto Compatangelo Department We have developed an intelligent knowledge management environment called EER-ConcepTool, which and heuristic reasoning services. We highlight how EER-ConcepTool overcomes some typical drawbacks of current

Compatangelo, Ernesto

27

Conceptual Model At Coso Geothermal Area (1980) | Open Energy Information  

Open Energy Info (EERE)

Conceptual Model At Coso Geothermal Area (1980) Conceptual Model At Coso Geothermal Area (1980) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Conceptual Model Activity Date 1980 Usefulness not indicated DOE-funding Unknown Exploration Basis 1) Estimate thermal regime and thermal potential of the system. 2) Use field mapping to develop a model of the reservoir system. Notes 1) The seismograms of 44 events recorded by the telemetered array and nine events by the Centipede array were analyzed using the reduced spectral ratio technique to determine the differential attenuation factor delta t* for the events recorded with the highest signal-to-noise ratio. 2) Arcuate faults in the Coso Range are interpreted to have been produced by the regional stress field rather than to have been of volcanogenic origin.

28

Surficial Extent And Conceptual Model Of Hydrothermal System At Mount  

Open Energy Info (EERE)

Surficial Extent And Conceptual Model Of Hydrothermal System At Mount Surficial Extent And Conceptual Model Of Hydrothermal System At Mount Rainier, Washington Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Surficial Extent And Conceptual Model Of Hydrothermal System At Mount Rainier, Washington Details Activities (4) Areas (2) Regions (0) Abstract: A once massive hydrothermal system was disgorged from the summit of Mount Rainier in a highly destructive manner about 5000 years ago. Today, hydrothermal processes are depositing clayey alteration products that have the potential to reset the stage for similar events in the future. Areas of active hydrothermal alteration occur in three representative settings: 1. (1) An extensive area (greater than 12,000 m2) of heated ground and slightly acidic boiling-point fumaroles at 76-82°C at

29

Conceptual aircraft dynamics from inverse aircraft modeling  

E-Print Network [OSTI]

This thesis presents a method of construe' ting a nonlinear dynamics model of a theoretical aircraft from the nonlinear batch simulation of an existing aircrew This method provides control law designers with a method of fabricating nonlinear models...

Ziegler, Gregory E

1999-01-01T23:59:59.000Z

30

Dioxins in San Francisco Conceptual Model/Impairment Assessment  

E-Print Network [OSTI]

FINAL Dioxins in San Francisco Bay Conceptual Model/Impairment Assessment Prepared by Mike Connor Partnership November 12, 2004 SFEI Contribution #309 #12;Dioxins in San Francisco Bay: Impairment Assessment. This CM/IA report examines dioxins in San Francisco Bay. Dioxins comprise a group of several hundred

31

Conceptual Model At Coso Geothermal Area (2006) | Open Energy Information  

Open Energy Info (EERE)

6) 6) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Conceptual Model Activity Date 2006 Usefulness useful DOE-funding Unknown Exploration Basis Determine boiling zones and their relation to production zones by developing a fluid model Notes A fluid model for the Coso geothermal reservoir is developed from Fluid Inclusion Stratigraphy (FIS) analyses. Fluid inclusion gas chemistry in well cuttings collected at 20 ft intervals is analyzed and plotted on well log diagrams. Models are created using cross-sections and fence diagrams. References Dilley, L.M.; Norman, D.I.; Moore, J.; McCullouch, J. (1 January 2006) FLUID STRATIGRAPHY OF THE COSO GEOTHERMAL RESERVOIR Retrieved from "http://en.openei.org/w/index.php?title=Conceptual_Model_At_Coso_Geothermal_Area_(2006)&oldid=473688

32

Conceptual stochastic climate models Peter Imkeller  

E-Print Network [OSTI]

to be thoroughly inve- stigated but too simple to be treated as quantitatively accurate, through Earth System Models of Intermediate Complexity (EMICs) which represent some clima- te subsystems (e.g. the ocean

Monahan, Adam Hugh

33

Conceptual Model At Raft River Geothermal Area (1976) | Open Energy  

Open Energy Info (EERE)

6) 6) Exploration Activity Details Location Raft River Geothermal Area Exploration Technique Conceptual Model Activity Date 1976 Usefulness not indicated DOE-funding Unknown Exploration Basis Determine productive zones in the reservoir Notes Borehole geophysics techniques were used in evaluating the Raft River geothermal reservoir to establish a viable model for the system. The assumed model for the hot water 1450C reservoir was a zone of higher conductivity, increased porosity, decreased density, and lower sonic velocity. References Applegate, J.K.; Donaldson, P.R.; Kinkley, D.L.; Wallace, T.L. (1 January 1976) Borehole geophysics evaluation of the Raft River geothermal reservoir Retrieved from "http://en.openei.org/w/index.php?title=Conceptual_Model_At_Raft_River_Geothermal_Area_(1976)&oldid=473821

34

Conceptual Model At Raft River Geothermal Area (1977) | Open Energy  

Open Energy Info (EERE)

) ) Exploration Activity Details Location Raft River Geothermal Area Exploration Technique Conceptual Model Activity Date 1977 Usefulness not indicated DOE-funding Unknown Exploration Basis Determine time to cool the geothermal field with reinjection Notes If reinjection and production wells intersect connected fractures, it is expected that reinjected fluid would cool the production well much sooner than would be predicted from calculations of flow in a porous medium. A method for calculating how much sooner that cooling will occur was developed. References Kasameyer, P. W.; Schroeder, R. C. (1 January 1977) Application of thermal depletion model to geothermal reservoirs with fracture and pore permeability Retrieved from "http://en.openei.org/w/index.php?title=Conceptual_Model_At_Raft_River_Geothermal_Area_(1977)&oldid=473822

35

Conceptual Model At Coso Geothermal Area (2005) | Open Energy Information  

Open Energy Info (EERE)

Coso Geothermal Area (2005) Coso Geothermal Area (2005) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Conceptual Model Activity Date 2005 Usefulness not indicated DOE-funding Unknown Exploration Basis Develop a conceptual model of the Coso area Notes Investigation of the Coso Range using seismicity, gravity, and geochemistry of rocks and fluids, supports the interpretation that the structure hosting the geothermal resource is a nascent metamorphic core complex. The structural setting is a releasing bend in a dextral strike-slip system that extends from the Indian Wells Valley northward into the Owens Valley. This tectonic setting results in NW-directed transtension, which is accommodated by normal and strike-slip faulting of the brittle upper 4-6 km of the

36

Conceptual Model At Salton Sea Geothermal Area (1977) | Open Energy  

Open Energy Info (EERE)

Geothermal Area (1977) Geothermal Area (1977) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Conceptual Model At Salton Sea Geothermal Area (1977) Exploration Activity Details Location Salton Sea Geothermal Area Exploration Technique Conceptual Model Activity Date 1977 Usefulness not indicated DOE-funding Unknown Exploration Basis Determine time to cool the geothermal field with reinjection Notes If reinjection and production wells intersect connected fractures, it is expected that reinjected fluid would cool the production well much sooner than would be predicted from calculations of flow in a porous medium. A method for calculating how much sooner that cooling will occur was developed. References Kasameyer, P. W.; Schroeder, R. C. (1 January 1977) Application

37

Dixie Valley Engineered Geothermal System Exploration Methodology Project, Baseline Conceptual Model Report  

SciTech Connect (OSTI)

The Engineered Geothermal System (EGS) Exploration Methodology Project is developing an exploration approach for EGS through the integration of geoscientific data. The Project chose the Dixie Valley Geothermal System in Nevada as a field laboratory site for methodlogy calibration purposes because, in the public domain, it is a highly characterized geothermal systems in the Basin and Range with a considerable amount of geoscience and most importantly, well data. This Baseline Conceptual Model report summarizes the results of the first three project tasks (1) collect and assess the existing public domain geoscience data, (2) design and populate a GIS database, and (3) develop a baseline (existing data) geothermal conceptual model, evaluate geostatistical relationships, and generate baseline, coupled EGS favorability/trust maps from +1km above sea level (asl) to -4km asl for the Calibration Area (Dixie Valley Geothermal Wellfield) to identify EGS drilling targets at a scale of 5km x 5km. It presents (1) an assessment of the readily available public domain data and some proprietary data provided by Terra-Gen Power, LLC, (2) a re-interpretation of these data as required, (3) an exploratory geostatistical data analysis, (4) the baseline geothermal conceptual model, and (5) the EGS favorability/trust mapping. The conceptual model presented applies to both the hydrothermal system and EGS in the Dixie Valley region.

Iovenitti, Joe

2013-05-15T23:59:59.000Z

38

Dixie Valley Engineered Geothermal System Exploration Methodology Project, Baseline Conceptual Model Report  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The Engineered Geothermal System (EGS) Exploration Methodology Project is developing an exploration approach for EGS through the integration of geoscientific data. The Project chose the Dixie Valley Geothermal System in Nevada as a field laboratory site for methodlogy calibration purposes because, in the public domain, it is a highly characterized geothermal systems in the Basin and Range with a considerable amount of geoscience and most importantly, well data. This Baseline Conceptual Model report summarizes the results of the first three project tasks (1) collect and assess the existing public domain geoscience data, (2) design and populate a GIS database, and (3) develop a baseline (existing data) geothermal conceptual model, evaluate geostatistical relationships, and generate baseline, coupled EGS favorability/trust maps from +1km above sea level (asl) to -4km asl for the Calibration Area (Dixie Valley Geothermal Wellfield) to identify EGS drilling targets at a scale of 5km x 5km. It presents (1) an assessment of the readily available public domain data and some proprietary data provided by Terra-Gen Power, LLC, (2) a re-interpretation of these data as required, (3) an exploratory geostatistical data analysis, (4) the baseline geothermal conceptual model, and (5) the EGS favorability/trust mapping. The conceptual model presented applies to both the hydrothermal system and EGS in the Dixie Valley region.

Joe Iovenitti

39

Conceptual Model of the Klamath Falls, Oregon Geothermal Area  

SciTech Connect (OSTI)

Over the last 50 years significant amounts of data have been obtained from the Klamath Falls geothermal resource. To date, the complexity of the system has stymied researchers, leading to the development of only very generalized hydrogeologic and geothermal models of the area. Recently, the large quantity of available temperature data have been re-evaluated, revealing new information on subsurface heat flow and locations of faults in the system. These inferences are supported by borehole, geochemical, geophysical, and hydrologic data. Based on re-evaluation of all available data, a detailed conceptual model for the Klamath Falls geothermal resource is proposed. 1 tab., 8 figs., 21 refs.

Prucha, R.H.; Benson, S.M.; Witherspoon, P.A.

1987-01-20T23:59:59.000Z

40

Conceptual model of the Klamath Falls, Oregon geothermal area  

SciTech Connect (OSTI)

Over the last 50 years significant amounts of data have been obtained from the Klamath Falls geothermal resource. To date, the complexity of the system has stymied researchers, leading to the development of only very generalized hydrogeologic and geothermal models of the area. Recently, the large quantity of available temperature data have been re-evaluated, revealing new information on subsurface heat flow and locations of faults in the system. These inferences are supported by borehole, geochemical, geophysical, and hydrologic data. Based on re-evaluation of all available data, a detailed conceptual model for the Klamath Falls geothermal resource is proposed.

Prucha, R.H.; Benson, S.M.; Witherspoon, P.A.

1987-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "analysis conceptual model" 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

Conceptual Model At Coso Geothermal Area (2005-2007) | Open Energy  

Open Energy Info (EERE)

7) 7) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Conceptual Model At Coso Geothermal Area (2005-2007) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Conceptual Model Activity Date 2005 - 2007 Usefulness useful DOE-funding Unknown Exploration Basis Determine most productive areas of geothermal field using stress and faulting analysis to develop a geomechanical model Notes New geologic mapping and measurements of stress orientations and magnitudes from wells 34-9RD2 and 58A-10 were integrated with existing data sets to refine a geomechanical model for the Coso geothermal field. Vertically averaged stress orientations across the field are fairly uniform and are consistent with focal mechanism inversions of earthquake clusters for

42

Conceptual Model At Raft River Geothermal Area (1979) | Open Energy  

Open Energy Info (EERE)

79) 79) Exploration Activity Details Location Raft River Geothermal Area Exploration Technique Conceptual Model Activity Date 1979 Usefulness not indicated DOE-funding Unknown Exploration Basis Recommendations are made concerning field expansion and additional work needed to refine the overall reservoir model. Notes Models described in this report show the source of various minerals in the geothermal water. There appears to be a regional heat source that gives rise to uniform conductive heat flow in the region, but convective flow is concentrated near the upwelling in the Crook well vicinity. References Overton, H. L.; Chaney, R. E.; Mcatee, R. E.; Graham, D. L. (1 November 1979) Geochemical modeling of the Raft River geothermal field Overton, H. L.; Chaney, R. E.; Mcatee, D. L.; Graham, D. L. (1

43

Updated Conceptual Model for the 300 Area Uranium Groundwater Plume  

SciTech Connect (OSTI)

The 300 Area uranium groundwater plume in the 300-FF-5 Operable Unit is residual from past discharge of nuclear fuel fabrication wastes to a number of liquid (and solid) disposal sites. The source zones in the disposal sites were remediated by excavation and backfilled to grade, but sorbed uranium remains in deeper, unexcavated vadose zone sediments. In spite of source term removal, the groundwater plume has shown remarkable persistence, with concentrations exceeding the drinking water standard over an area of approximately 1 km2. The plume resides within a coupled vadose zone, groundwater, river zone system of immense complexity and scale. Interactions between geologic structure, the hydrologic system driven by the Columbia River, groundwater-river exchange points, and the geochemistry of uranium contribute to persistence of the plume. The U.S. Department of Energy (DOE) recently completed a Remedial Investigation/Feasibility Study (RI/FS) to document characterization of the 300 Area uranium plume and plan for beginning to implement proposed remedial actions. As part of the RI/FS document, a conceptual model was developed that integrates knowledge of the hydrogeologic and geochemical properties of the 300 Area and controlling processes to yield an understanding of how the system behaves and the variables that control it. Recent results from the Hanford Integrated Field Research Challenge site and the Subsurface Biogeochemistry Scientific Focus Area Project funded by the DOE Office of Science were used to update the conceptual model and provide an assessment of key factors controlling plume persistence.

Zachara, John M.; Freshley, Mark D.; Last, George V.; Peterson, Robert E.; Bjornstad, Bruce N.

2012-11-01T23:59:59.000Z

44

EER-ConcepTool: conceptual analysis of EER schemas and ontologies  

E-Print Network [OSTI]

We have developed an intelligent knowledge management environment called EER-ConcepTool, which analyses conceptual schemas and ontologies. In this paper, we show how analysis supports knowledge modelling and validation at the conceptual level through a combination of different logicbased and heuristic reasoning services. We highlight how EER-ConcepTool overcomes some typical drawbacks of current intelligent analysers, outlining how it can be used to provide enhanced support to knowledge modelling. Knowledge in EER-ConcepTool is represented using a formal, expressive entity-relationship model. This knowledge model includes entity identifiers, relationship attributes and a full range of participatory cardinality constraints. It also allows multiple inheritance, disjointness and full coverage assertions for entities and relationships. EER-ConcepTool provides a complete set of automated services (e.g. consistency, classification, explicitation and propagation of constraints, linguistic correlation) to analyse schemas and application ontologies based on the above knowledge model. During analysis, EER-ConcepTool can ignore selected portions of the expressive power of this model in order to increase the number and the generality of its deductions. We show how this feature can be used to provide a simple mechanism which explains schema inconsistencies.

Ernesto Compatangelo

45

Conceptual Model At Raft River Geothermal Area (2011) | Open Energy  

Open Energy Info (EERE)

2011) 2011) Exploration Activity Details Location Raft River Geothermal Area Exploration Technique Conceptual Model Activity Date 2011 Usefulness not indicated DOE-funding Unknown Exploration Basis Explore for development of an EGS demonstration project Notes The reservoir is developed in fractured Proterozoic schist and quartzite, and Archean quartz monzonite cut by younger diabase intrusions. The basement complex was deformed during the mid Tertiary and covered by approximately 5000 ft of late Tertiary sedimentary and volcanic deposits. Listric normal faults of Cenozoic age disrupt the Tertiary deposits but do not offset the basement rocks. RRG-9, the target well, was drilled southwest of the main well field to a measured depth (MD) of 6089 ft. The well is deviated to the west and cased to a depth of 2316 ft MD. It

46

An Agile Process for the Creation of Conceptual Models from Content Descriptions  

E-Print Network [OSTI]

An Agile Process for the Creation of Conceptual Models from Content Descriptions Sebastian Bossung,hw.sehring,h.carl,j.w.schmidt}@tuhh.de Hamburg University of Technology, Germany, Sustainable Content Logistics Centre, Hamburg, Germany Abstract. It is widely accepted practice to build domain models as a conceptual basis for software systems

47

Modeling safety and airworthiness (RTCA DO-178B) information: conceptual model and UML profile  

Science Journals Connector (OSTI)

Several safety-related standards exist for developing and certifying safety-critical systems. System safety assessments are common practice and system certification according to a standard requires submitting relevant system safety information to appropriate ... Keywords: Airworthiness, Certification, Conceptual model, Meta-model, RTCA DO-178B, Safety, Safety assessment, Safety-critical, UML, UML profile

Gregory Zoughbi; Lionel Briand; Yvan Labiche

2011-07-01T23:59:59.000Z

48

From systems biology to photosynthesis and whole-plant modeling: a conceptual model for integrating multi-scale networks  

SciTech Connect (OSTI)

Network analysis is now a common statistical tool for molecular biologists. Network algorithms are readily used to model gene, protein and metabolic correlations providing insight into pathways driving biological phenomenon. One output from such an analysis is a candidate gene list that can be responsible, in part, for the biological process of interest. The question remains, however, as to whether molecular network analysis can be used to inform process models at higher levels of biological organization. In our previous work, transcriptional networks derived from three plant species were constructed, interrogated for orthology and then correlated to photosynthetic inhibition at elevated temperature. One unique aspect of that study was the link from co-expression networks to net photosynthesis. In this addendum, we propose a conceptual model where traditional network analysis can be linked to whole-plant models thereby informing predictions on key processes such as photosynthesis, nutrient uptake and assimilation, and C partitioning.

Weston, David [ORNL; Hanson, Paul J [ORNL; Norby, Richard J [ORNL; Tuskan, Gerald A [ORNL; Wullschleger, Stan D [ORNL

2012-01-01T23:59:59.000Z

49

A Conceptual Model of the Surface Salinity Distribution in the Oceanic Hadley Cell  

Science Journals Connector (OSTI)

A conceptual model of the salinity distribution in the oceanic Hadley cell is presented. The model pertains to the region of tropical easterly surface winds, where the surface salinity increases poleward from a local salinity minimum near the ...

Johan Nilsson; Heiner Krnich

2008-12-01T23:59:59.000Z

50

Tracing conceptual models' evolution in data warehouses by using the model driven architecture  

Science Journals Connector (OSTI)

Developing a data warehouse is an ongoing task where new requirements are constantly being added. A widely accepted approach for developing data warehouses is the hybrid approach, where requirements and data sources must be accommodated to a reconciliated ... Keywords: Business intelligence, Conceptual models, Data warehouses, MDA, MDD, QVT, Traceability

Alejandro Mat, Juan Trujillo

2014-09-01T23:59:59.000Z

51

Using cluster analysis to identify patterns in students responses to contextually different conceptual problems  

Science Journals Connector (OSTI)

This study examined the evolution of student responses to seven contextually different versions of two Force Concept Inventory questions in an introductory physics course at the University of Arkansas. The consistency in answering the closely related questions evolved little over the seven-question exam. A model for the state of student knowledge involving the probability of selecting one of the multiple-choice answers was developed. Criteria for using clustering algorithms to extract model parameters were explored and it was found that the overlap between the probability distributions of the model vectors was an important parameter in characterizing the cluster models. The course data were then clustered and the extracted model showed that students largely fit into two groups both pre- and postinstruction: one that answered all questions correctly with high probability and one that selected the distracter representing the same misconception with high probability. For the course studied, 14% of the students were left with persistent misconceptions post instruction on a static force problem and 30% on a dynamic Newtons third law problem. These students selected the answer representing the predominant misconception slightly more consistently postinstruction, indicating that the course studied had been ineffective at moving this subgroup of students nearer a Newtonian force concept and had instead moved them slightly farther away from a correct conceptual understanding of these two problems. The consistency in answering pairs of problems with varied physical contexts is shown to be an important supplementary statistic to the score on the problems and suggests that the inclusion of such problem pairs in future conceptual inventories would be efficacious. Multiple, contextually varied questions further probe the structure of students knowledge. To allow working instructors to make use of the additional insight gained from cluster analysis, it is our hope that the physics education research community will make these methods available though their Web sites.

John Stewart; Mayo Miller; Christine Audo; Gay Stewart

2012-10-04T23:59:59.000Z

52

Using FCA for Modelling Conceptual Difficulties in Learning Processes  

E-Print Network [OSTI]

sciences, mathematics and technical subjects, universi- ties often observe generally low pass rates that even students who are able to pass exams may still not have a good un- derstanding of basic physics and high drop out rates in the first years. Many students seem to have conceptual difficulties

Priss, Uta

53

A restated conceptual model for the Humboldt House-Rye Patch...  

Open Energy Info (EERE)

restated conceptual model for the Humboldt House-Rye Patch geothermal resource area, Pershing County, Nevada Jump to: navigation, search OpenEI Reference LibraryAdd to library...

54

Conceptual Model At Salt Wells Area (Faulds, Et Al., 2011) | Open Energy  

Open Energy Info (EERE)

Conceptual Model At Salt Wells Area (Faulds, Et Al., 2011) Conceptual Model At Salt Wells Area (Faulds, Et Al., 2011) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Conceptual Model At Salt Wells Area (Faulds, Et Al., 2011) Exploration Activity Details Location Salt Wells Geothermal Area Exploration Technique Conceptual Model Activity Date 2011 Usefulness useful regional reconnaissance DOE-funding ARRA (American Recovery and Reinvestment Act) Exploration Basis The paper reports on the first phase of a three-stage DOE-ARRA (American Recovery and Reinvestment Act)-funded study that integrates knowledge of favorable structural settings in the Great Basin region with the goal of developing a structural catalogue that can be used to refine exploration strategies for geothermal resources (particularly for blind/hidden systems)

55

A conceptual model for determining yield loss due to drought stress in sorghum  

E-Print Network [OSTI]

A CONCEPTUAL MODEL FOR DETERMINING YIELD LOSS DUE TO DROUGHT STRESS IN SORGHUM A Thesis by PAUL ROBERT KOCH Submitted to the Graduate College of Texas AkM University in partial fulfillment of the requirements for the degree of MASTER... OF SCIENCE May 1987 Major Subject: Agricultural Engineering A CONCEPTUAL MODEL FOR DETERMINING YIELD LOSS DUE TO DROUGHT STRESS IN SORGHUM A thesis by PAUL ROBERT KOCH Approved as to style and content by: Marshall J. McFarland (Chair of Committee...

Koch, Paul Robert

2012-06-07T23:59:59.000Z

56

Raft River Geothermal Area Data Models - Conceptual, Logical and Fact Models  

SciTech Connect (OSTI)

Conceptual and Logical Data Model for Geothermal Data Concerning Wells, Fields, Power Plants and Related Analyses at Raft River a. Logical Model for Geothermal Data Concerning Wells, Fields, Power Plants and Related Analyses, David Cuyler 2010 b. Fact Model for Geothermal Data Concerning Wells, Fields, Power Plants and Related Analyses, David Cuyler 2010 Derived from Tables, Figures and other Content in Reports from the Raft River Geothermal Project: "Technical Report on the Raft River Geothermal Resource, Cassia County, Idaho," GeothermEx, Inc., August 2002. "Results from the Short-Term Well Testing Program at the Raft River Geothermal Field, Cassia County, Idaho," GeothermEx, Inc., October 2004.

David Cuyler

2012-07-19T23:59:59.000Z

57

Raft River Geothermal Area Data Models - Conceptual, Logical and Fact Models  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

Conceptual and Logical Data Model for Geothermal Data Concerning Wells, Fields, Power Plants and Related Analyses at Raft River a. Logical Model for Geothermal Data Concerning Wells, Fields, Power Plants and Related Analyses, David Cuyler 2010 b. Fact Model for Geothermal Data Concerning Wells, Fields, Power Plants and Related Analyses, David Cuyler 2010 Derived from Tables, Figures and other Content in Reports from the Raft River Geothermal Project: "Technical Report on the Raft River Geothermal Resource, Cassia County, Idaho," GeothermEx, Inc., August 2002. "Results from the Short-Term Well Testing Program at the Raft River Geothermal Field, Cassia County, Idaho," GeothermEx, Inc., October 2004.

David Cuyler

58

Dixie Valley Engineered Geothermal System Exploration Methodology Project, Baseline Conceptual Model Report  

SciTech Connect (OSTI)

The Engineered Geothermal System (EGS) Exploration Methodology Project is developing an exploration approach for EGS through the integration of geoscientific data. The Project chose the Dixie Valley Geothermal System in Nevada as a field laboratory site for methodology calibration purposes because, in the public domain, it is a highly characterized geothermal system in the Basin and Range with a considerable amount of geoscience and most importantly, well data. The overall project area is 2500km2 with the Calibration Area (Dixie Valley Geothermal Wellfield) being about 170km2. The project was subdivided into five tasks (1) collect and assess the existing public domain geoscience data; (2) design and populate a GIS database; (3) develop a baseline (existing data) geothermal conceptual model, evaluate geostatistical relationships, and generate baseline, coupled EGS favorability/trust maps from +1km above sea level (asl) to -4km asl for the Calibration Area at 0.5km intervals to identify EGS drilling targets at a scale of 5km x 5km; (4) collect new geophysical and geochemical data, and (5) repeat Task 3 for the enhanced (baseline + new ) data. Favorability maps were based on the integrated assessment of the three critical EGS exploration parameters of interest: rock type, temperature and stress. A complimentary trust map was generated to compliment the favorability maps to graphically illustrate the cumulative confidence in the data used in the favorability mapping. The Final Scientific Report (FSR) is submitted in two parts with Part I describing the results of project Tasks 1 through 3 and Part II covering the results of project Tasks 4 through 5 plus answering nine questions posed in the proposal for the overall project. FSR Part I presents (1) an assessment of the readily available public domain data and some proprietary data provided by Terra-Gen Power, LLC, (2) a re-interpretation of these data as required, (3) an exploratory geostatistical data analysis, (4) the baseline geothermal conceptual model, and (5) the EGS favorability/trust mapping. The conceptual model presented applies to both the hydrothermal system and EGS in the Dixie Valley region. FSR Part II presents (1) 278 new gravity stations; (2) enhanced gravity-magnetic modeling; (3) 42 new ambient seismic noise survey stations; (4) an integration of the new seismic noise data with a regional seismic network; (5) a new methodology and approach to interpret this data; (5) a novel method to predict rock type and temperature based on the newly interpreted data; (6) 70 new magnetotelluric (MT) stations; (7) an integrated interpretation of the enhanced MT data set; (8) the results of a 308 station soil CO2 gas survey; (9) new conductive thermal modeling in the project area; (10) new convective modeling in the Calibration Area; (11) pseudo-convective modeling in the Calibration Area; (12) enhanced data implications and qualitative geoscience correlations at three scales (a) Regional, (b) Project, and (c) Calibration Area; (13) quantitative geostatistical exploratory data analysis; and (14) responses to nine questions posed in the proposal for this investigation. Enhanced favorability/trust maps were not generated because there was not a sufficient amount of new, fully-vetted (see below) rock type, temperature, and stress data. The enhanced seismic data did generate a new method to infer rock type and temperature. However, in the opinion of the Principal Investigator for this project, this new methodology needs to be tested and evaluated at other sites in the Basin and Range before it is used to generate the referenced maps. As in the baseline conceptual model, the enhanced findings can be applied to both the hydrothermal system and EGS in the Dixie Valley region.

Iovenitti, Joe

2014-01-02T23:59:59.000Z

59

Offshore Wind Guidance Document: Oceanography and Sediment Stability (Version 1) Development of a Conceptual Site Model.  

SciTech Connect (OSTI)

This guidance document provide s the reader with an overview of the key environmental considerations for a typical offshore wind coastal location and the tools to help guide the reader through a thoro ugh planning process. It will enable readers to identify the key coastal processes relevant to their offshore wind site and perform pertinent analysis to guide siting and layout design, with the goal of minimizing costs associated with planning, permitting , and long - ter m maintenance. The document highlight s site characterization and assessment techniques for evaluating spatial patterns of sediment dynamics in the vicinity of a wind farm under typical, extreme, and storm conditions. Finally, the document des cribe s the assimilation of all of this information into the conceptual site model (CSM) to aid the decision - making processes.

Roberts, Jesse D.; Jason Magalen; Craig Jones

2014-06-01T23:59:59.000Z

60

Development of a Conceptual Chum Salmon Emergence Model for Ives Island  

SciTech Connect (OSTI)

The objective of the study described herein was to develop a conceptual model of chum salmon emergence that was based on empirical water temperature of the riverbed and river in specific locations where chum salmon spawn in the Ives Island area. The conceptual model was developed using water temperature data that have been collected in the past and are currently being collected in the Ives Island area. The model will be useful to system operators who need to estimate the complete distribution of chum salmon emergence (first emergence through final emergence) in order to balance chum salmon redd protection and power system operation.

Murray, Christopher J.; Geist, David R.; Arntzen, Evan V.; Bott, Yi-Ju; Nabelek, Marc A.

2011-02-09T23:59:59.000Z

Note: This page contains sample records for the topic "analysis conceptual model" 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

Factors influencing consumers' willingness to accept mobile advertising: a conceptual model  

Science Journals Connector (OSTI)

The purpose of the present study is to build a conceptual model of consumers' willingness to accept mobile advertising. First, the study investigates factors that influence the acceptance of mobile advertising from both industry's and consumers' point of view. Second, based on a review of previous studies in the field, the authors propose a conceptual model of consumers' willingness to accept mobile advertising. The model, based on four research hypotheses, indicates that consumers' willingness to receive mobile advertisements to handsets is mainly driven by four factors: role of mobile medium in marketing mix; development of technology; one-to-one marketing medium; regulatory. The findings provide several conceptual and managerial insights into the role of mobile advertising today and in the near future.

Matti Leppaniemi; Heikki Karjaluoto

2005-01-01T23:59:59.000Z

62

A Conceptual Model for Production Leveling (Heijunka) Implementation in Batch Production Systems  

E-Print Network [OSTI]

A Conceptual Model for Production Leveling (Heijunka) Implementation in Batch Production Systems for batch production system. The main structure of this model is grounded on three constructs: traditional developed for batch production systems. Then, case study guidelines were applied to define an appropriate

Paris-Sud XI, Université de

63

Perceived control in health care: A conceptual model based on experiences of frail older adults  

Science Journals Connector (OSTI)

Abstract Frail older adults are increasingly encouraged to be in control of their health care, in Western societies. However, little is known about how they themselves perceive control in health care. Therefore, this study aims to investigate the concept of health care-related perceived control from the viewpoint of frail older adults. A qualitative interview study was conducted following a Grounded Theory approach. Thirty-two Dutch frail older adults, aged 65 and over, participated in 20 in-depth interviews (n=20) and three focus group discussions (n=12). Data were analysed according to techniques of coding and constant comparison. From this analysis constituting factors of perceived control emerged, providing elements of a conceptual model. Perceived control reflects the feeling or belief that health care is under control, which is constituted by five, either internal or external, factors: (I) self-confidence in organising professional and/or informal care, (II) self-confidence in health management in the home setting, (III) perceived support from people in the social network, (IV) perceived support from health care professionals and organisations, and (V) perceived support from (health care) infrastructure and services. Therefore, the concept does not only consist of people's own perceived efforts, but also includes the influence of external sources. Our conceptual model points out what external factors should be taken into consideration by health care professionals and policy makers when enhancing older people's perceived control. Moreover, it can serve as the basis for the development of a measurement instrument, to enable future quantitative research on health care-related perceived control among older adults.

L. Claassens; G.A. Widdershoven; S.C. Van Rhijn; F. Van Nes; M.I. Broese van Groenou; D.J.H. Deeg; M. Huisman

2014-01-01T23:59:59.000Z

64

Conceptual Model of Offshore Wind Environmental Risk Evaluation System  

SciTech Connect (OSTI)

In this report we describe the development of the Environmental Risk Evaluation System (ERES), a risk-informed analytical process for estimating the environmental risks associated with the construction and operation of offshore wind energy generation projects. The development of ERES for offshore wind is closely allied to a concurrent process undertaken to examine environmental effects of marine and hydrokinetic (MHK) energy generation, although specific risk-relevant attributes will differ between the MHK and offshore wind domains. During FY10, a conceptual design of ERES for offshore wind will be developed. The offshore wind ERES mockup described in this report will provide a preview of the functionality of a fully developed risk evaluation system that will use risk assessment techniques to determine priority stressors on aquatic organisms and environments from specific technology aspects, identify key uncertainties underlying high-risk issues, compile a wide-range of data types in an innovative and flexible data organizing scheme, and inform planning and decision processes with a transparent and technically robust decision-support tool. A fully functional version of ERES for offshore wind will be developed in a subsequent phase of the project.

Anderson, Richard M.; Copping, Andrea E.; Van Cleve, Frances B.; Unwin, Stephen D.; Hamilton, Erin L.

2010-06-01T23:59:59.000Z

65

An Updated Conceptual Model Of The Los Humeros Geothermal Reservoir...  

Open Energy Info (EERE)

Humeros Geothermal Reservoir (Mexico) Abstract An analysis of production and reservoir engineering data of 42 wells from the Los Humeros geothermal field (Mexico) allowed...

66

Conceptual Model At Blue Mountain Geothermal Area (Casteel, Et...  

Open Energy Info (EERE)

to the model. The model establishes that permeability is controlled by a fault and fracture network with the majority of fluid flow being along the range front fault. References...

67

Eliciting fuzzy distributions from experts for ranking conceptual risk model components  

Science Journals Connector (OSTI)

An expert elicitation methodology was developed to integrate scientific knowledge from many studies at different spatial and temporal scales. The methodology utilised a structured one-to-one interview to elicit scale-dependent conceptual models and expert-weightings ... Keywords: Elicitation, Expert opinion, Fuzzy number, Phosphorus, Uncertainty, Water framework directive

T. Page; A. L. Heathwaite; L. J. Thompson; L. Pope; R. Willows

2012-10-01T23:59:59.000Z

68

Improving reviews of conceptual models by extended traceability to captured system usage  

Science Journals Connector (OSTI)

......extended traceability to captured system usage P. Haumer a * M. Jarke a c K. Pohl b...elicited by analysing concrete system-usage scenarios [Pohl, K., Weidenhaupt...understand the basis (concrete system usage) on which the conceptual models were built......

P. Haumer; M. Jarke; K. Pohl; K. Weidenhaupt

2000-09-01T23:59:59.000Z

69

Jan 16 Conceptual models of ecological systems Why is Integration Needed in Ecology?  

E-Print Network [OSTI]

Jan 16 Conceptual models of ecological systems #12;Why is Integration Needed in Ecology? Great advances have been made by dividing ecology into subdisciplines. But too much focus on subdisciplines has also hindered ecology · too little study of the interface between disciplines · tended to narrow focus

Hansen, Andrew J.

70

A year 2003 conceptual model for the U.S. telecommunications infrastructure.  

SciTech Connect (OSTI)

To model the telecommunications infrastructure and its role and robustness to shocks, we must characterize the business and engineering of telecommunications systems in the year 2003 and beyond. By analogy to environmental systems modeling, we seek to develop a 'conceptual model' for telecommunications. Here, the conceptual model is a list of high-level assumptions consistent with the economic and engineering architectures of telecommunications suppliers and customers, both today and in the near future. We describe the present engineering architectures of the most popular service offerings, and describe the supplier markets in some detail. We also develop a characterization of the customer base for telecommunications services and project its likely response to disruptions in service, base-lining such conjectures against observed behaviors during 9/11.

Cox, Roger Gary; Reinert, Rhonda K.

2003-12-01T23:59:59.000Z

71

ERDC TN-EMRRP-EBA-5 Improving Conceptual Model  

E-Print Network [OSTI]

's goals and stakeholders' expectations. In aquatic ecosystem restoration projects, these often include model is a required step in creating any ecosystem restoration project plan regardless of project size available through the Ecosystem Restoration Gateway (http://cw-environment.usace. army.mil/restoration

US Army Corps of Engineers

72

Relativism and views in a conceptual data base model  

SciTech Connect (OSTI)

In a core schema that attempted to faithfully represent the inter-connectedness of the real world, each class role would need to be made explicit, naming its respectively associated classes and mappings. From each role a characteristic family of derived views can be inferred. In practice, this program need not be fully carried out as there are always connections in the real world which we choose not to model. But it is interesting to imagine an information system that behaved as if all (or at least all obvious) possible views had been automatically defined. It appears that humans have a system for doing some such automatic schema transformation in our natural semantic model of the world. As we constantly shift perspectives we seem always to be able to readily call up whatever role is appropriate for any given object in (mental) view. The work described falls in an area that is just on the edge of currently developing DB technologies. It is motivated by a desire to achieve systems that are more natural, more intelligent, and which better complement and support our own intellectual activity in the management and modelling of complex environments. There are, of course, many issues involved here which are far from the arena of cognitive science (especially the more purely technical issues of physical system implementation.) But there are many aspects of the interface toward which these efforts are aimed which remain open questions that AI and cognitive science in general can help to clarify.

Kreps, P.

1980-04-01T23:59:59.000Z

73

A Conceptual Model for Partially PremixedLow-Temperature Diesel Combustion Based onIn-Cylinder Laser Diagnostics and Chemical Kinetics Modeling  

Broader source: Energy.gov [DOE]

Conceptual models for low temperature combustion diesel engines are offered based on recent research within optically accessible engines and combustion chambers.

74

Managerial Coaching Behavior and Employee Outcomes: A Structural Equation Modeling Analysis  

E-Print Network [OSTI]

s alpha estimates for reliability, correlation analysis, two-step modeling techniques for structural equation modeling, and Sobel tests were the analysis methods used in the study. The results of the analyses indicated that the hypothesized conceptual...

Kim, Sewon

2012-10-19T23:59:59.000Z

75

Conceptual model for transport processes in the Culebra Dolomite Member, Rustler Formation  

SciTech Connect (OSTI)

The Culebra Dolomite Member of the Rustler Formation represents a possible pathway for contaminants from the Waste Isolation Pilot Plant underground repository to the accessible environment. The geologic character of the Culebra is consistent with a double-porosity, multiple-rate model for transport in which the medium is conceptualized as consisting of advective porosity, where solutes are carried by the groundwater flow, and fracture-bounded zones of diffusive porosity, where solutes move through slow advection or diffusion. As the advective travel length or travel time increases, the nature of transport within a double-porosity medium changes. This behavior is important for chemical sorption, because the specific surface area per unit mass of the diffusive porosity is much greater than in the advective porosity. Culebra transport experiments conducted at two different length scales show behavior consistent with a multiple-rate, double-porosity conceptual model for Culebra transport. Tracer tests conducted on intact core samples from the Culebra show no evidence of significant diffusion, suggesting that at the core scale the Culebra can be modeled as a single-porosity medium where only the advective porosity participates in transport. Field tracer tests conducted in the Culebra show strong double-porosity behavior that is best explained using a multiple-rate model.

Holt, R.M. [Holt Hydrogeology, Placitas, NM (United States)] [Holt Hydrogeology, Placitas, NM (United States)

1997-08-01T23:59:59.000Z

76

CONCEPTUAL DATA MODELING OF THE INTEGRATED DATABASE FOR THE RADIOACTIVE WASTE MANAGEMENT  

SciTech Connect (OSTI)

A study of a database system that can manage radioactive waste collectively on a network has been carried out. A conceptual data modeling that is based on the theory of information engineering (IE), which is the first step of the whole database development, has been studied to manage effectively information and data related to radioactive waste. In order to establish the scope of the database, user requirements and system configuration for radioactive waste management were analyzed. The major information extracted from user requirements are solid waste, liquid waste, gaseous waste, and waste related to spent fuel. The radioactive waste management system is planning to share information with associated companies.

Park, H.S; Shon, J.S; Kim, K.J; Park, J.H; Hong, K.P; Park, S.H

2003-02-27T23:59:59.000Z

77

Conceptual model for regional radionuclide transport from a salt dome repository: a technical memorandum  

SciTech Connect (OSTI)

Disposal of high-level radioactive wastes is a major environmental problem influencing further development of nuclear energy in this country. Salt domes in the Gulf Coast Basin are being investigated as repository sites. A major concern is geologic and hydrologic stability of candidate domes and potential transport of radionuclides by groundwater to the biosphere prior to their degradation to harmless levels of activity. This report conceptualizes a regional geohydrologic model for transport of radionuclides from a salt dome repository. The model considers transport pathways and the physical and chemical changes that would occur through time prior to the radionuclides reaching the biosphere. Necessary, but unknown inputs to the regional model involve entry and movement of fluids through the repository dome and across the dome-country rock interface and the effect on the dome and surrounding strata of heat generated by the radioactive wastes.

Kier, R.S.; Showalter, P.A.; Dettinger, M.D.

1980-05-30T23:59:59.000Z

78

An Updated Conceptual Model Of The Travale Geothermal Field Based On Recent  

Open Energy Info (EERE)

Travale Geothermal Field Based On Recent Travale Geothermal Field Based On Recent Geophysical And Drilling Data Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: An Updated Conceptual Model Of The Travale Geothermal Field Based On Recent Geophysical And Drilling Data Details Activities (0) Areas (0) Regions (0) Abstract: an updated picture of the Travale field is given, based on geophysical and drilling data acquired since 1978. In deriving the model, extensive use is made of the geophysical data produced in the course of the EEC test site programme (1980-1983), particularly from seismic and time domain EM methods which allowed for penetrating thick and conductive cover formations and to match deep tectonic and hydrothermal alteration trends thought to indirectly characterize the geothermal reservoir. It is

79

A Conceptual Model of the Surface Salinity Distribution in the Oceanic Hadley Cell JOHAN NILSSON AND HEINER KRNICH  

E-Print Network [OSTI]

A Conceptual Model of the Surface Salinity Distribution in the Oceanic Hadley Cell JOHAN NILSSON in the oceanic Hadley cell is presented. The model pertains to the region of tropical easterly surface winds of the near-surface air is constant, the salinity variation in the oceanic Hadley cell varies essentially

Nilsson, Johan

80

User Acceptance of Health Information Technology (HIT) in Developing Countries: A Conceptual Model  

Science Journals Connector (OSTI)

Abstract Health Information Technology (HIT) has the potential to improve the quality, efficiency, outcomes, patient safety and reduce the cost of healthcare. But HIT systems are not widely available, and even if available are not properly utilized. This paper reviewed some available HIT systems in order to have an idea on their availability. Also works on acceptance of HIT systems were reviewed so as to understand the level of research done in the area. The problems identified from this work include lack of availability of these systems especially in developing countries, insufficient works on user acceptance of HIT systems, etc. These limitations can be overcome when researchers study the factors that will affect the user acceptance of these systems, and then consider the factors while developing the systems. Finally, a conceptual model of HIT acceptance in developing countries is proposed.

Abd Rahman Ahlan; Barroon Ismaeel Ahmad

2014-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "analysis conceptual model" 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

Low NOx Burner Design and Analysis for Conceptual Design of Oxygen-Based PC Boiler  

SciTech Connect (OSTI)

The objective of the low NOx burner design and analysis task of the Conceptual Design of Oxygen-Based PC Boiler study is to optimize the burner design to ensure stable ignition, to provide safe operation, and to minimize pollutant formation. The burners were designed and analyzed using the Fluent computer program. Four burner designs were developed: (1) with no over-fire gas (OFG) and 65% flue gas recycle, (2) with 20% OFG and 65% flue gas recycle, (3) with no OFG and 56% flue gas recycle and (4) with 20% OFG and 56% flue gas recycle. A 3-D Fluent simulation was made of a single wall-fired burner and horizontal portion of the furnace from the wall to the center. Without primary gas swirl, coal burnout was relatively small, due to the low oxygen content of the primary gas stream. Consequently, the burners were modified to include primary gas swirl to bring the coal particles in contact with the secondary gas. An optimal primary gas swirl was chosen to achieve sufficient burnout.

Andrew Seltzer

2005-05-01T23:59:59.000Z

82

SYSTEM DESIGN AND ANALYSIS FOR CONCEPTUAL DESIGN OF OXYGEN-BASED PC BOILER  

SciTech Connect (OSTI)

The objective of the system design and analysis task of the Conceptual Design of Oxygen-Based PC Boiler study is to optimize the PC boiler plant by maximizing system efficiency. Simulations of the oxygen-fired plant with CO{sub 2} sequestration were conducted using Aspen Plus and were compared to a reference air-fired 460 Mw plant. Flue gas recycle is used in the O{sub 2}-fired PC to control the flame temperature. Parametric runs were made to determine the effect of flame temperature on system efficiency and required waterwall material and thickness. The degree of improvement on system efficiency of various modifications including hot gas recycle, purge gas recycle, flue gas feedwater recuperation, and recycle purge gas expansion were investigated. The selected O{sub 2}-fired design case has a system efficiency of 30.1% compared to the air-fired system efficiency of 36.7%. The design O{sub 2}-fired case requires T91 waterwall material and has a waterwall surface area of only 44% of the air-fired reference case. Compared to other CO{sub 2} sequestration technologies, the O{sub 2}-fired PC is substantially better than both natural gas combined cycles and post CO{sub 2} removal PCs and is slightly better than integrated gasification combined cycles.

Zhen Fan; Andrew Seltzer

2003-11-01T23:59:59.000Z

83

An analysis of conceptual metaphor in the professional and academic discourse of technical communication  

E-Print Network [OSTI]

This dissertation explores the ongoing division between technical communication practitioners and academics by examining the conceptual metaphors that underlie their discourse in professional journals and textbooks. Beginning with a demonstration...

Sherwood, Matthew Aaron

2005-02-17T23:59:59.000Z

84

Building of a conceptual model at UE25-c hole complex  

SciTech Connect (OSTI)

US Geological Survey and Lawrence Berkeley Laboratory are attempting to construct a conceptual model of the UE25-c hole complex. An interdisciplinary approach is discussed where all the available data are integrated. Site geology, borehole geophysics and hydraulic test results at UE25-c hole complex suggest that groundwater flow may be controlled by fractures and faults. Significant clusters of fractures in the C-holes are perpendicular to bedding and may be cooling cracks or may be tectonically induced. Unresolved evidence indicates that a fault may intersect the C-holes. For these reasons a porous medium approximation of the rock in the saturated zone at the scale of a well test may be inappropriate. Instead, an Equivalent Discontinuum Model is proposed to model the UE25-c complex hydrology. EDM does not reproduce every geometrical detail of the real system, but instead, attempts to reproduce the observed behavior of the fracture system while preserving the inherent discontinuous nature of the system. 6 refs., 7 figs.

Karasaki, K.; Landsfeld, M. [Lawrence Berkeley Lab., CA (USA); Grossenbacher, K. [Johns Hopkins Univ., Baltimore, MD (USA). Dept. of Earth and Planetary Sciences

1990-01-01T23:59:59.000Z

85

Conceptual model for regional radionuclide transport from a basalt repository site. Final draft, technical memorandum  

SciTech Connect (OSTI)

This technical memorandum was prepared to: (1) describe a typical basalt radionuclide repository site, (2) describe geologic and hydrologic processes associated with regional radionuclide transport in basalts, (3) define the parameters required to model regional radionuclide transport from a basalt repository site, and (4) develop a ''conceptual model'' of radionuclide transport from a basalt repository site. In a general hydrological sense, basalts may be described as layered sequences of aquifers and aquitards. The Columbia River Basalt, centered near the semi-arid Pasco Basin, is considered by many to be typical basalt repository host rock. Detailed description of the flow system including flow velocities with high-low hydraulic conductivity sequences are not possible with existing data. However, according to theory, waste-transport routes are ultimately towards the Columbia River and the lengths of flow paths from the repository to the biosphere may be relatively short. There are many physical, chemical, thermal, and nuclear processes with associated parameters that together determine the possible pattern of radionuclide migration in basalts and surrounding formations. Brief process descriptions and associated parameter lists are provided. Emphasis has been placed on the use of the distribution coefficient in simulating ion exchange. The use of the distribution coefficient approach is limited because it takes into account only relatively fast mass transfer processes. In general, knowledge of hydrogeochemical processes is primitive.

Walton, W.C.; Voorhees, M.L.; Prickett, T.A.

1980-05-23T23:59:59.000Z

86

Modeling and Analysis  

Broader source: Energy.gov [DOE]

DOE modeling and analysis activities focus on reducing uncertainties and improving transparency in photovoltaics (PV) and concentrating solar power (CSP) performance modeling. The overall goal of...

87

A conceptual model of the strongly tidal Columbia River plume Alexander R. Horner-Devine a,  

E-Print Network [OSTI]

cruise indicate that the plume consists of four distinct water masses; source water at the lift-off point as the superposition of these four plume types. We focus primarily on a conceptual summary of the dynamics and mutual

Hickey, Barbara

88

A comparative evaluation of conceptual models for the Snake River Plain aquifer at the Idaho Chemical Processing Plant, INEL  

SciTech Connect (OSTI)

Geologic and hydrologic data collected by the United States Geological Survey (USGS) are used to evaluate the existing ground water monitoring well network completed in the upper portion of the Snake River Plain aquifer (SRPA) beneath the Idaho Chemical Processing Plant (ICPP). The USGS data analyzed and compared in this study include: (a) lithologic, geophysical, and stratigraphic information, including the conceptual geologic models intrawell, ground water flow measurement (Tracejector tests) and (c) dedicated, submersible, sampling group elevations. Qualitative evaluation of these data indicate that the upper portion of the SRPA is both heterogeneous and anisotropic at the scale of the ICPP monitoring well network. Tracejector test results indicate that the hydraulic interconnection and spatial configuration of water-producing zones is extremely complex within the upper portion of the SRPA. The majority of ICPP monitoring wells currently are equipped to sample ground water only the upper lithostratigraphic intervals of the SRPA, primarily basalt flow groups E, EF, and F. Depth-specific hydrogeochemical sampling and analysis are necessary to determine if ground water quality varies significantly between the various lithostratigraphic units adjacent to individual sampling pumps.

Prahl, C.J.

1992-01-01T23:59:59.000Z

89

The Development and Use of Conceptual Models of Complex Earth Systems for Environmental Managment and Earth Science Education  

E-Print Network [OSTI]

THE DEVELOPMENT AND USE OF CONCEPTUAL MODELS OF COMPLEX EARTH SYSTEMS FOR ENVIRONMENTAL MANAGEMENT AND EARTH SCIENCE EDUCATION A Dissertation by HEATHER RENE MILLER Submitted to the Office of Graduate Studies of Texas A&M... AND EARTH SCIENCE EDUCATION A Dissertation by HEATHER RENE MILLER Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY Approved by: Chair...

Miller, Heather

2012-10-19T23:59:59.000Z

90

Influence of Tangent Pinch Points on the Energy Demand of Batch Distillations: Development of a Conceptual Model for Binary Mixtures  

Science Journals Connector (OSTI)

Influence of Tangent Pinch Points on the Energy Demand of Batch Distillations: Development of a Conceptual Model for Binary Mixtures ... The algorithm requires the evaluation of a series of points (x0,f0), (x1,f1), ..., (xn,fn), and it demands the smallest number of function evaluations in comparison with other methods as a consequence of using the information from previous iterations to generate greater order estimations of the inverse function (lineal, quadratic, etc.). ...

Karina Andrea Torres; Jose? Espinosa

2011-04-08T23:59:59.000Z

91

Transient Inverse Calibration of Site-Wide Groundwater Model to Hanford Operational Impacts from 1943 to 1996--Alternative Conceptual Model Considering Interaction with Uppermost Basalt Confined Aquifer  

SciTech Connect (OSTI)

The baseline three-dimensional transient inverse model for the estimation of site-wide scale flow parameters, including their uncertainties, using data on the transient behavior of the unconfined aquifer system over the entire historical period of Hanford operations, has been modified to account for the effects of basalt intercommunication between the Hanford unconfined aquifer and the underlying upper basalt confined aquifer. Both the baseline and alternative conceptual models (ACM-1) considered only the groundwater flow component and corresponding observational data in the 3-Dl transient inverse calibration efforts. Subsequent efforts will examine both groundwater flow and transport. Comparisons of goodness of fit measures and parameter estimation results for the ACM-1 transient inverse calibrated model with those from previous site-wide groundwater modeling efforts illustrate that the new 3-D transient inverse model approach will strengthen the technical defensibility of the final model(s) and provide the ability to incorporate uncertainty in predictions related to both conceptual model and parameter uncertainty. These results, however, indicate that additional improvements are required to the conceptual model framework. An investigation was initiated at the end of this basalt inverse modeling effort to determine whether facies-based zonation would improve specific yield parameter estimation results (ACM-2). A description of the justification and methodology to develop this zonation is discussed.

Vermeul, Vincent R.; Cole, Charles R.; Bergeron, Marcel P.; Thorne, Paul D.; Wurstner, Signe K.

2001-08-29T23:59:59.000Z

92

Sandia National Laboratories: Modeling & Analysis  

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

Modeling On June 26, 2014, in Computational Modeling & Simulation, Energy, Energy Surety, Grid Integration, Infrastructure Security, Modeling, Modeling & Analysis, News, News &...

93

A Conceptual Framework for Semantic Case-based Safety Analysis Olawande Daramola, Tor Stlhane  

E-Print Network [OSTI]

.biffl}@tuwien.ac.at Abstract Hazard and Operability (HAZOP) Analysis and Fail- ure Mode and Effect Analysis (FMEA) are among-based framework for safety analy- sis, which facilitates the reuse of previous HAZOP and FMEA experiences in order application. Key words: Safety analysis, HAZOP, FMEA, ontology, requirements, case-based reasoning, natural

94

COLLABORATION SCRIPTS A CONCEPTUAL ANALYSIS This is a post-print of an article submitted for consideration in the Educational Psychology  

E-Print Network [OSTI]

COLLABORATION SCRIPTS ­ A CONCEPTUAL ANALYSIS This is a post-print of an article submitted-006-9007-2 } Please refer this manuscript as: Kollar, I., Fischer, F., & Hesse, F. W. (2006). Collaboration scripts manuscript, published in "Educational Psychology Review 18(2) (2006) 159-185" #12;Collaboration Scripts 2

Paris-Sud XI, Université de

95

An updated conceptual model of the Los Humeros geothermal reservoir (Mexico)  

Science Journals Connector (OSTI)

An analysis of production and reservoir engineering data of 42 wells from the Los Humeros geothermal field (Mexico) allowed obtaining the pressure and temperature profiles for the unperturbed reservoir fluids and developing 1-D and 2-D models for the reservoir. Results showed the existence of at least two reservoirs in the system: a relatively shallow liquid-dominant reservoir located between 1025 and 1600 m above sea level (a.s.l.) the pressure profile of which corresponds to a 300330C boiling water column and a deeper low-liquid-saturation reservoir located between 850 and 100 m a.s.l. with temperatures between 300 and 400C. Both reservoirs seem to be separated by a vitreous tuff lithological unit, but hydraulic connectivity occurs through faults and fractures of the system, allowing deep steam to ascend while condensate flows down (porous heat pipe). The geochemical and isotopic (?18O, ?D) composition of the produced fluids can be explained as the result of a boiling process with reservoir steam separation and partial condensation, a fact that agrees with the proposed reservoir engineering model.

V.M Arellano; A Garc??a; R.M Barragn; G Izquierdo; A Aragn; D Nieva

2003-01-01T23:59:59.000Z

96

Conceptualization of a fresh groundwater lens influenced by climate change: A modeling study of an arid-region island in the Persian Gulf, Iran  

Science Journals Connector (OSTI)

Summary Understanding the fresh groundwater lens (FGL) behavior and potential threat of climatic-induced seawater intrusion (SWI) are significant for the future water resources management of many small islands. In this paper, the FGL of Kish Island, an arid-region case in the Persian Gulf, Iran, is modeled using two-dimensional (2D) and three-dimensional (3D) simulations. These simulations are based on the application of SUTRA, a density-dependent groundwater numerical model. Also, the numerical model parameters are calibrated using PEST, an automated parameter estimation code. Firstly a detailed conceptualization of the FGL model is completed to understand the sensitivity of the FGL to some particular aspects of the model prior to analysis of climate change simulations. For these investigations, the FGL system is defined based on Kish Island system to accomplish the integrated comparison of features of a conceptual model that are representative of real-world systems. This is the first study which adopts such an approach. The comparison of cross-sectional simulations suggests that the two-layer properties of the Kish Island aquifer have a significant influence on the FGL while the impacts of lateral-boundary irregularities are negligible. The impacts of sea-level rise (SLR), associated land-surface inundation (LSI), and variations in recharge rate on the FGL salinization of Kish Island are investigated numerically. Variations of SLR value (14m) and net recharge rate (1724mm/year) are considered to cover a possible range of climatic scenarios in this arid-region island. The 2D and 3D simulation results demonstrate that LSI caused by SLR and recharge rate variation impacts are more important factors in the FGL in comparison to estimated SLR impacts without LSI. It is also shown that climate change impacts on the FGL are long-term to reach a new FGL equilibrium in the case of Kish Islands aquifer system. The comparative analysis of 2D and 3D results shows that three-dimensionality is a significant factor, especially in large-scale 3D systems of small islands. The results of this study are expected to have implications for the understanding and management of the fresh groundwater resources of Kish Island and are also expected to be relevant to the study of the impact of climate change on groundwater resources on islands worldwide.

Davood Mahmoodzadeh; Hamed Ketabchi; Behzad Ataie-Ashtiani; Craig T. Simmons

2014-01-01T23:59:59.000Z

97

1994 conceptual model of the carbon tetrachloride contamination in the 200 West Area at the Hanford Site  

SciTech Connect (OSTI)

Between 1955 and 1973, a total of 363,000 to 580,000 L (577,000 to kg) of liquid carbon tetrachloride, in mixtures with other organic and aqueous, actinide-bearing fluids, were discharged to the soil column at three disposal facilities -- the 216-Z-9 Trench, the 216-Z-lA TiTe Field, and the 216-Z-18 Crib -- in the 200 West Area at the Hanford Site. In the mid-1980`s, dissolved carbon tetrachloride was found in the uppermost aquifer beneath the disposal facilities, and in late 1990, the US Environmental Protection Agency and the Washington State Department of Ecology requested that the US Department of Energy proceed with planning and implementation of an expedited response action (ERA) to minimize additional carbon tetrachloride contamination of the groundwater. In February 1992, soil vapor extraction was initiated to remove carbon tetrachloride from the unsaturated zone beneath these disposal facilities. By May 1994, a total of 10,560 L (16,790 kg) of carbon tetrachloride had been removed, amounting to an estimated 2% of the discharged inventory. In the spring of 1991, the Volatile Organic Compounds -- Arid Integrated Demonstration (VOC-Arid ID) program selected the carbon tetrachloride-contaminated site for demonstration and deployment of new technologies for evaluation and cleanup of volatile organic compounds and associated contaminants in soils and groundwater at arid sites. Site investigations conducted in support of both the ERA and the VOC-Arid ID have been integrated because of their shared objective to refine the conceptual model of the site and to promote efficiency. Site characterization data collected in fiscal year 1993 have supported and led to refinement of the conceptual model of the carbon tetrachloride site.

Rohay, V.J.

1994-08-01T23:59:59.000Z

98

Regional knowledge dynamics in the biotechnology industry: a conceptual framework for micro-level analysis  

Science Journals Connector (OSTI)

In this paper, we propose a firm-based micro-level framework for the analysis of regional knowledge dynamics. This approach contrasts with most of the established literature on regional clusters, learning regions, industrial districts or Regional Innovation Systems (RISs), which focus mainly on the meso-level of industrial organisation. Contrary to those concepts we are using a biographical method that maps the firm's innovation processes and practices and further on evaluates how those processes are interrelated with intra-organisational change and knowledge flows across different territorial levels.

Robert Kaiser; Michael Liecke

2009-01-01T23:59:59.000Z

99

A Conceptual Nitrate Transport Model and Its Application at Different Scales  

Science Journals Connector (OSTI)

Liu et al. [12...] reported the calibration of a diffuse nitrate model (the DNMT model) at White Cart Water Catchment against the observed water quality...K 0 (the hydraulic conductivity at grou...

Shuming Liu; Peter Tucker; Martin Mansell

2010-08-01T23:59:59.000Z

100

Economic Analysis for Conceptual Design of Oxygen-Based PC Boiler  

SciTech Connect (OSTI)

The objective of the economic analysis is to prepare a budgetary estimate of capital and operating costs of the O{sub 2}-fired PC power plant as well as for the equivalent conventional PC-fired power plant. Capital and operating costs of conventional steam generation, steam heating, and power generation equipment are estimated based on Foster Wheeler's extensive experience and database. Capital and operating costs of equipment, such as oxygen separation and CO{sub 2} liquefaction, are based on vendor supplied data and FW process plant experience. The levelized cost of electricity is determined for both the air-fired and O{sub 2}-fired power plants as well as the CO{sub 2} mitigation cost. An economic comparison between the O{sub 2}-fired PC and other alternate technologies is presented.

Andrew Seltzer

2005-02-01T23:59:59.000Z

Note: This page contains sample records for the topic "analysis conceptual model" 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

A Conceptual Model of H2O/CO2 Frost Sublimation and Condensation Caused Albedo Change in Crater Interiors, Martian Seasonal Polar Cap Regions H. Xie1  

E-Print Network [OSTI]

A Conceptual Model of H2O/CO2 Frost Sublimation and Condensation Caused Albedo Change in Crater.Xie@utsa.edu; 2 School of Chemistry, Physics and Earth Sciences, Flinders University, Australia; 3 Research Center are a major element of the current Mars' climate and circulation. Understanding the sublimation

Texas at San Antonio, University of

102

My research goal is to better integrate technical activities such as behavior modeling, interface design, and system building with conceptualizations of social dynamics as expressed by social  

E-Print Network [OSTI]

design, and system building with conceptualizations of social dynamics as expressed by social science. For instance, understanding the working of memory might help designers build better memory support toolsMy research goal is to better integrate technical activities such as behavior modeling, interface

Keinan, Alon

103

This is a pre-print of the Guest Editor's Introduction to the 2009 Journal of Informetrics Special Issue on the Science of Science Brner, Katy, Andrea Scharnhorst. 2009. Visual Conceptualizations and Models of Science.  

E-Print Network [OSTI]

Issue on the Science of Science Börner, Katy, Andrea Scharnhorst. 2009. Visual Conceptualizations and Models of Science. Journal of Informetrics, 3(3). Visual Conceptualizations and Models of Science Katy Börner, Cyberinfrastructure for Network Science Center, School of Library and Information Science

Menczer, Filippo

104

Conceptualizing and testing random indirect effects and moderated mediation in multilevel models: New procedures and recommendations  

E-Print Network [OSTI]

The authors propose new procedures for evaluating direct, indirect, and total effects in multilevel models when all relevant variables are measured at Level 1 and all effects are random. Formulas are provided for the mean ...

Bauer, D. J.; Preacher, K. J.; Gil, Karen M.

2006-01-01T23:59:59.000Z

105

Furnace and Heat Recovery Area Design and Analysis for Conceptual Design of Oxygen-Based PC Boiler  

SciTech Connect (OSTI)

The objective of the furnace and heat recovery area design and analysis task of the Conceptual Design of Oxygen-Based PC Boiler study is to optimize the location and design of the furnace, burners, over-fire gas ports, and internal radiant surfaces. The furnace and heat recovery area were designed and analyzed using the FW-FIRE and HEATEX computer programs. The furnace is designed with opposed wall-firing burners and over-fire air ports. Water is circulated in the furnace by natural circulation to the waterwalls and divisional wall panels. Compared to the air-fired furnace, the oxygen-fired furnace requires only 65% of the surface area and 45% of the volume. Two oxygen-fired designs were simulated: (1) without over-fire air and (2) with 20% over-fire air. The maximum wall heat flux in the oxygen-fired furnace is more than double that of the air-fired furnace due to the higher flame temperature and higher H{sub 2}O and CO{sub 2} concentrations. The coal burnout for the oxygen-fired case is 100% due to a 500 F higher furnace temperature and higher concentration of O{sub 2}. Because of the higher furnace wall temperature of the oxygen-fired case compared to the air-fired case, furnace water wall material was upgraded from carbon steel to T91. The total heat transfer surface required in the oxygen-fired heat recovery area (HRA) is 25% less than the air-fired HRA due to more heat being absorbed in the oxygen-fired furnace and the greater molecular weight of the oxygen-fired flue gas. The HRA tube materials and wall thickness are practically the same for the air-fired and oxygen-fired design since the flue gas and water/steam temperature profiles encountered by the heat transfer banks are very similar.

Andrew Seltzer

2005-01-01T23:59:59.000Z

106

Analysis Models and Tools: Systems Analysis of Hydrogen and Fuel...  

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

Analysis Models and Tools: Systems Analysis of Hydrogen and Fuel Cells Analysis Models and Tools: Systems Analysis of Hydrogen and Fuel Cells The Fuel Cell Technologies Office's...

107

Conceptually-Based Shot Noise Modelling of Streamflows at Short Time FEDERICO MURRONE, FABIO ROSSI  

E-Print Network [OSTI]

-year response lag, of aquifers which run dry by the end of the dry season and of subsurface runoff. The surface increases and slow recessions. These features prevent the use of ARMA-type of models [Box and Jenkins, 1976 acts as the input of a system that is representative of the transformations operated by the watershed

Poggi, Davide

108

A Conceptual Approach to Two-Scale Constitutive Modelling For Hydro-Mechanical Coupling  

E-Print Network [OSTI]

Large scale modelling of fluid flow coupled with solid failure in geothermal reservoirs or hydrocarbon extraction from reservoir rocks usually involves behaviours at two scales: lower scale of the inelastic localization zone, and larger scale of the bulk continuum where elastic behaviour can be reasonably assumed. The hydraulic conductivities corresponding to the mechanical properties at these two scales are different. In the bulk elastic host rock, the hydraulic conductivity does not vary much with the deformation, while it significantly changes in the lower scale of the localization zone due to inelastic deformation. Increase of permeability due to fracture and/or dilation, or reduction of permeability due to material compaction can take place inside this zone. The challenge is to predict the evolution of hydraulic conductivities coupled with the mechanical behaviour of the material in all stages of the deformation process. In the early stage of diffuse deformation, the permeability of the material can be reasonably assumed to be homogenous over the whole Representative Volume Element (RVE) However, localized failure results in distinctly different conductivities in different parts of the RVE. This paper establishes a general framework and corresponding field equations to describe the hydro-mechanical coupling in both diffuse and localized stages of deformation in rocks. In particular, embedding the lower scale hydro-mechanical behaviour of the localization zone inside an elastic bulk, together with their corresponding effective sizes, helps effectively deal with scaling issues in large-scale modelling. Preliminary results are presented which demonstrate the promising features of this new approach.

Giang D. Nguyen; Abbas El-Zein; Terry Bennett

2014-06-05T23:59:59.000Z

109

Toward Models for Forensic Analysis  

E-Print Network [OSTI]

Toward Models for Forensic Analysis Sean Peisert (UC San Diego) Matt Bishop (UC Davis) Sid Karin is Forensic Analysis? Forensic analysis is the process of answering the questions: How did an event take place? What was the nature of the event? What were the effects of the event? Forensic analysis applies

Peisert, Sean

110

Conceptual design analysis of an MHD power conversion system for droplet-vapor core reactors. Final report  

SciTech Connect (OSTI)

A nuclear driven magnetohydrodynamic (MHD) generator system is proposed for the space nuclear applications of few hundreds of megawatts. The MHD generator is coupled to a vapor-droplet core reactor that delivers partially ionized fissioning plasma at temperatures in range of 3,000 to 4,000 K. A detailed MHD model is developed to analyze the basic electrodynamics phenomena and to perform the design analysis of the nuclear driven MHD generator. An incompressible quasi one dimensional model is also developed to perform parametric analyses.

Anghaie, S.; Saraph, G.

1995-12-31T23:59:59.000Z

111

Hydrogen Delivery Analysis Models  

Broader source: Energy.gov [DOE]

DOE H2A Delivery Models: Components Model (delivery system component costs and performance) and Scenario Model (for urban and rural/interstate markets and demand levels, market penetration)

112

Combined Estimation of Hydrogeologic Conceptual Model, Parameter, and Scenario Uncertainty with Application to Uranium Transport at the Hanford Site 300 Area  

SciTech Connect (OSTI)

This report to the Nuclear Regulatory Commission (NRC) describes the development and application of a methodology to systematically and quantitatively assess predictive uncertainty in groundwater flow and transport modeling that considers the combined impact of hydrogeologic uncertainties associated with the conceptual-mathematical basis of a model, model parameters, and the scenario to which the model is applied. The methodology is based on a n extension of a Maximum Likelihood implementation of Bayesian Model Averaging. Model uncertainty is represented by postulating a discrete set of alternative conceptual models for a site with associated prior model probabilities that reflect a belief about the relative plausibility of each model based on its apparent consistency with available knowledge and data. Posterior model probabilities are computed and parameter uncertainty is estimated by calibrating each model to observed system behavior; prior parameter estimates are optionally included. Scenario uncertainty is represented as a discrete set of alternative future conditions affecting boundary conditions, source/sink terms, or other aspects of the models, with associated prior scenario probabilities. A joint assessment of uncertainty results from combining model predictions computed under each scenario using as weight the posterior model and prior scenario probabilities. The uncertainty methodology was applied to modeling of groundwater flow and uranium transport at the Hanford Site 300 Area. Eight alternative models representing uncertainty in the hydrogeologic and geochemical properties as well as the temporal variability were considered. Two scenarios represent alternative future behavior of the Columbia River adjacent to the site were considered. The scenario alternatives were implemented in the models through the boundary conditions. Results demonstrate the feasibility of applying a comprehensive uncertainty assessment to large-scale, detailed groundwater flow and transport modeling and illustrate the benefits of the methodology I providing better estimates of predictive uncertiay8, quantitative results for use in assessing risk, and an improved understanding of the system behavior and the limitations of the models.

Meyer, Philip D.; Ye, Ming; Rockhold, Mark L.; Neuman, Shlomo P.; Cantrell, Kirk J.

2007-07-30T23:59:59.000Z

113

Conceptual Proposal  

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

Monitoring-Based Commissioning: Benchmarking Analysis of 24 UC/CSU/IOU Projects Evan Mills, Ph.D Paul Mathew, Ph.D. Lawrence Berkeley National Laboratory Berkeley, California Report Prepared for: California Energy Commission Public Interest Energy Research (PIER) Technology Demonstration Program April 2009 Disclaimer This document was prepared as an account of work sponsored by the United States Government. While this document is believed to contain correct information, neither the United States Government nor any agency thereof, nor The Regents of the University of California, nor any of their employees, makes any warranty, express or implied, or assumes any legal responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process

114

Steady-state analysis of a conceptual offshore wind turbine driven electricity and thermocline energy extraction plant  

Science Journals Connector (OSTI)

Abstract A system for using offshore wind energy to generate electricity and simultaneously extract thermal energy is proposed. This concept is based on an offshore wind turbine driven hydraulic pump supplying deep seawater under high pressure to a land based plant consisting of a hydroelectric power generation unit and heat exchanger. A steady-state system model is developed using empirical formulae. The mathematical model comprises the fundamental system sub-models that are categorised as the rotor, hydraulic pump, pipeline, hydroelectric turbine and heat exchanger. A means for modelling the seawater temperature field across a two-dimensional bathymetry is also discussed. These mathematical models are integrated into a computational tool and a brief parametric static analysis is undertaken. The results illustrate the effect of pipeline diameter, rotational speed of the grid connected hydroelectric turbine, and the turbine distance from shore on the overall performance of the system. Through adequate parameter selection, the total rate of energy output for such a system, consisting of both electricity and thermal energy, is shown to increase by as much as 84%, when compared to a conventional wind turbine having an identical rotor diameter but which supplies only electrical energy.

Daniel Buhagiar; Tonio Sant

2014-01-01T23:59:59.000Z

115

INEEL Subregional Conceptual Model Report Volume 2: Summary of Existing Knowledge of Geochemical Influences on the Fate and Transport of Contaminants in the Subsurface at the INEEL  

SciTech Connect (OSTI)

This document summarizes previous descriptions of geochemical system conceptual models for the vadose zone and groundwater zone (aquifer) beneath the Idaho National Engineering and Environmental Laboratory (INEEL). The primary focus is on groundwater because contaminants derived from wastes disposed at INEEL are present in groundwater, groundwater provides a pathway for potential migration to receptors, and because geochemical characteristics in and processes in the aquifer can substantially affect the movement, attenuation, and toxicity of contaminants. The secondary emphasis is perched water bodies in the vadose zone. Perched water eventually reaches the regional groundwater system, and thus processes that affect contaminants in the perched water bodies are important relative to the migration of contaminants into groundwater. Similarly, processes that affect solutes during transport from nearsurface disposal facilities downward through the vadose zone to the aquifer are relevant. Sediments in the vadose zone can affect both water and solute transport by restricting the downward migration of water sufficiently that a perched water body forms, and by retarding solute migration via ion exchange. Geochemical conceptual models have been prepared by a variety of researchers for different purposes. They have been published in documents prepared by INEEL contractors, the United States Geological Survey (USGS), academic researchers, and others. The documents themselves are INEEL and USGS reports, and articles in technical journals. The documents reviewed were selected from citation lists generated by searching the INEEL Technical Library, the INEEL Environmental Restoration Optical Imaging System, and the ISI Web of Science databases. The citation lists were generated using the keywords ground water, groundwater, chemistry, geochemistry, contaminant, INEL, INEEL, and Idaho. In addition, a list of USGS documents that pertain to the INEEL was obtained and manually searched. The documents that appeared to be the most pertinent were selected from further review. These documents are tabulated in the citation list. This report summarizes existing geochemical conceptual models, but does not attempt to generate a new conceptual model or select the ''right'' model. This document is organized as follows. Geochemical models are described in general in Section 2. Geochemical processes that control the transport and fate of contaminants introduced into groundwater are described in Section 3. The natural geochemistry of the Eastern Snake River Plain Aquifer (SRPA) is described in Section 4. The effect of waste disposal on the INEEL subsurface is described in Section 5. The geochemical behavior of the major contaminants is described in Section 6. Section 7 describes the site-specific geochemical models developed for various INEEL facilities.

Paul L. Wichlacz; Robert C. Starr; Brennon Orr

2003-09-01T23:59:59.000Z

116

ParaText : scalable text modeling and analysis.  

SciTech Connect (OSTI)

Automated processing, modeling, and analysis of unstructured text (news documents, web content, journal articles, etc.) is a key task in many data analysis and decision making applications. As data sizes grow, scalability is essential for deep analysis. In many cases, documents are modeled as term or feature vectors and latent semantic analysis (LSA) is used to model latent, or hidden, relationships between documents and terms appearing in those documents. LSA supplies conceptual organization and analysis of document collections by modeling high-dimension feature vectors in many fewer dimensions. While past work on the scalability of LSA modeling has focused on the SVD, the goal of our work is to investigate the use of distributed memory architectures for the entire text analysis process, from data ingestion to semantic modeling and analysis. ParaText is a set of software components for distributed processing, modeling, and analysis of unstructured text. The ParaText source code is available under a BSD license, as an integral part of the Titan toolkit. ParaText components are chained-together into data-parallel pipelines that are replicated across processes on distributed-memory architectures. Individual components can be replaced or rewired to explore different computational strategies and implement new functionality. ParaText functionality can be embedded in applications on any platform using the native C++ API, Python, or Java. The ParaText MPI Process provides a 'generic' text analysis pipeline in a command-line executable that can be used for many serial and parallel analysis tasks. ParaText can also be deployed as a web service accessible via a RESTful (HTTP) API. In the web service configuration, any client can access the functionality provided by ParaText using commodity protocols ... from standard web browsers to custom clients written in any language.

Dunlavy, Daniel M.; Stanton, Eric T.; Shead, Timothy M.

2010-06-01T23:59:59.000Z

117

Model building techniques for analysis.  

SciTech Connect (OSTI)

The practice of mechanical engineering for product development has evolved into a complex activity that requires a team of specialists for success. Sandia National Laboratories (SNL) has product engineers, mechanical designers, design engineers, manufacturing engineers, mechanical analysts and experimentalists, qualification engineers, and others that contribute through product realization teams to develop new mechanical hardware. The goal of SNL's Design Group is to change product development by enabling design teams to collaborate within a virtual model-based environment whereby analysis is used to guide design decisions. Computer-aided design (CAD) models using PTC's Pro/ENGINEER software tools are heavily relied upon in the product definition stage of parts and assemblies at SNL. The three-dimensional CAD solid model acts as the design solid model that is filled with all of the detailed design definition needed to manufacture the parts. Analysis is an important part of the product development process. The CAD design solid model (DSM) is the foundation for the creation of the analysis solid model (ASM). Creating an ASM from the DSM currently is a time-consuming effort; the turnaround time for results of a design needs to be decreased to have an impact on the overall product development. This effort can be decreased immensely through simple Pro/ENGINEER modeling techniques that summarize to the method features are created in a part model. This document contains recommended modeling techniques that increase the efficiency of the creation of the ASM from the DSM.

Walther, Howard P.; McDaniel, Karen Lynn; Keener, Donald; Cordova, Theresa Elena; Henry, Ronald C.; Brooks, Sean; Martin, Wilbur D.

2009-09-01T23:59:59.000Z

118

ROCK PROPERTIES MODEL ANALYSIS MODEL REPORT  

SciTech Connect (OSTI)

The purpose of this Analysis and Model Report (AMR) is to document Rock Properties Model (RPM) 3.1 with regard to input data, model methods, assumptions, uncertainties and limitations of model results, and qualification status of the model. The report also documents the differences between the current and previous versions and validation of the model. The rock properties models are intended principally for use as input to numerical physical-process modeling, such as of ground-water flow and/or radionuclide transport. The constraints, caveats, and limitations associated with this model are discussed in the appropriate text sections that follow. This work was conducted in accordance with the following planning documents: WA-0344, ''3-D Rock Properties Modeling for FY 1998'' (SNL 1997, WA-0358), ''3-D Rock Properties Modeling for FY 1999'' (SNL 1999), and the technical development plan, Rock Properties Model Version 3.1, (CRWMS M&O 1999c). The Interim Change Notice (ICNs), ICN 02 and ICN 03, of this AMR were prepared as part of activities being conducted under the Technical Work Plan, TWP-NBS-GS-000003, ''Technical Work Plan for the Integrated Site Model, Process Model Report, Revision 01'' (CRWMS M&O 2000b). The purpose of ICN 03 is to record changes in data input status due to data qualification and verification activities. These work plans describe the scope, objectives, tasks, methodology, and implementing procedures for model construction. The constraints, caveats, and limitations associated with this model are discussed in the appropriate text sections that follow. The work scope for this activity consists of the following: (1) Conversion of the input data (laboratory measured porosity data, x-ray diffraction mineralogy, petrophysical calculations of bound water, and petrophysical calculations of porosity) for each borehole into stratigraphic coordinates; (2) Re-sampling and merging of data sets; (3) Development of geostatistical simulations of porosity; (4) Generation of derivative property models via linear coregionalization with porosity; (5) Post-processing of the simulated models to impart desired secondary geologic attributes and to create summary and uncertainty models; and (6) Conversion of the models into real-world coordinates. The conversion to real world coordinates is performed as part of the integration of the RPM into the Integrated Site Model (ISM) 3.1; this activity is not part of the current analysis. The ISM provides a consistent volumetric portrayal of the rock layers, rock properties, and mineralogy of the Yucca Mountain site and consists of three components: (1) Geologic Framework Model (GFM); (2) RPM, which is the subject of this AMR; and (3) Mineralogic Model. The interrelationship of the three components of the ISM and their interface with downstream uses are illustrated in Figure 1. Figure 2 shows the geographic boundaries of the RPM and other component models of the ISM.

Clinton Lum

2002-02-04T23:59:59.000Z

119

A conceptual model of the roles of price, quality, and intermediary constructs in determining behavioral intention to visit a festival  

E-Print Network [OSTI]

Model 1???????.... 96 The Second Revised Structural Model 1??????? 99 The Final Revised Structural Model 1???????... 102 Initial Structural Model 2????????????... 106 The Revised Structural Model 2??????????. 109... The Initial Structural Model 2?...???????????... 105 FIGURE 12 The Revised Structural Model 2????????????... 108 FIGURE 13 Final Structural Model and Standardized Parameter Estimates of Model 1??????????????.?????.?.. 115 FIGURE 14 Final...

Lee, So Yon

2006-08-16T23:59:59.000Z

120

Appendix A: Conceptual Documents  

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

NREL-Research Support Facilities TABLE OF CONTENTS NREL-Research Support Facilities TABLE OF CONTENTS Solicitation No. RFJ-8-77550 Appendix A: Conceptual Documents Page 1 of 299 February 6, 2008 Appendix A CONCEPTUAL DOCUMENTS TABLE OF CONTENTS INTRODUCTION ...................................................................................................................... 2 PART 1-PROCEDURES .......................................................................................................... 3 PART 2-PROGRAM ............................................................................................................... 59 PART 3-PERFORMANCE SPECIFICATIONS .................................................................... 245 APPENDIX LIST .................................................................................................................. 299

Note: This page contains sample records for the topic "analysis conceptual model" from the National Library of EnergyBeta (NLEBeta).
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121

Bonneville's conservation policy analysis models  

Science Journals Connector (OSTI)

This paper describes computer simulation models used by the Bonneville Power Administration (Bonneville) to help analyse conservation policies for the Pacific Northwest. We begin with a description of electricity resource planning in the Pacific Northwest in general and conservation planning at Bonneville in particular. We describe the purpose, structure and applications of two models developed for Bonneville's Office of Conservation. Our description emphasizes the special features which make the models useful in resource strategy studies where a wide variety of policies are to be analysed in a short time period. We present results from recent applications including an analysis of conservation programme impacts in the face of a capacity surplus. We also discuss a simple analysis of the relative risk of alternative conservation strategies in the face of long-term uncertainties in loads and resources.

Andrew Ford; Michael Bull; Roger F. Naill

1987-01-01T23:59:59.000Z

122

Uncertainty Analysis Framework - Hanford Site-Wide Groundwater Flow and Transport Model  

SciTech Connect (OSTI)

Pacific Northwest National Laboratory (PNNL) embarked on a new initiative to strengthen the technical defensibility of the predictions being made with a site-wide groundwater flow and transport model at the U.S. Department of Energy Hanford Site in southeastern Washington State. In FY 2000, the focus of the initiative was on the characterization of major uncertainties in the current conceptual model that would affect model predictions. The long-term goals of the initiative are the development and implementation of an uncertainty estimation methodology in future assessments and analyses using the site-wide model. This report focuses on the development and implementation of an uncertainty analysis framework.

Cole, Charles R.; Bergeron, Marcel P.; Murray, Christopher J.; Thorne, Paul D.; Wurstner, Signe K.; Rogers, Phillip M.

2001-11-09T23:59:59.000Z

123

Fundamental analysis and conceptual model for corporate strategy in global engineering and construction markets  

E-Print Network [OSTI]

Strategic management as an academic field of study has spanned over four decades. As an interdisciplinary subject that enjoys concurrent contributions by allied disciplines such as economics and social science, numerous ...

Cheah, Yuen Jen, 1972-

2002-01-01T23:59:59.000Z

124

From conceptual process models to running systems: A holistic approach for the configuration of enterprise system processes  

Science Journals Connector (OSTI)

This paper proposes a method which aims at increasing the efficiency of enterprise system implementations. First, we argue that existing process modeling languages that feature different degrees of abstraction for different user groups exist and are ... Keywords: Business Process Modeling, Information Modeling Concepts, Model configuration, Reference modeling, System configuration

Alexander Dreiling; Michael Rosemann; Wil M. P. van der Aalst; Wasim Sadiq

2008-05-01T23:59:59.000Z

125

Vehicle Technologies Office: Modeling, Testing and Analysis  

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

Modeling, Testing and Modeling, Testing and Analysis to someone by E-mail Share Vehicle Technologies Office: Modeling, Testing and Analysis on Facebook Tweet about Vehicle Technologies Office: Modeling, Testing and Analysis on Twitter Bookmark Vehicle Technologies Office: Modeling, Testing and Analysis on Google Bookmark Vehicle Technologies Office: Modeling, Testing and Analysis on Delicious Rank Vehicle Technologies Office: Modeling, Testing and Analysis on Digg Find More places to share Vehicle Technologies Office: Modeling, Testing and Analysis on AddThis.com... Goals Research & Development Testing and Analysis Workplace Charging Community and Fleet Readiness Workforce Development Plug-in Electric Vehicle Basics Modeling, Testing and Analysis The Vehicle Technologies Office's robust portfolio is supported by

126

Conceptual Framework Presentation, 2006, Slide 1 The Conceptual Framework for  

E-Print Network [OSTI]

Conceptual Framework Presentation, 2006, Slide 1 The Conceptual Framework for Programs that Prepare Professionals Who Work in Schools What - Why - and Why You? #12;Conceptual Framework Presentation, 2006, Slide 2 on and develop your philosophy as a professional. . . WHY YOU? #12;Conceptual Framework Presentation, 2006, Slide

de Lijser, Peter

127

Conceptual Design RM  

Broader source: Energy.gov [DOE]

This Review Module is a tool that assists Department of Energy (DOE) federal project review teams in evaluating the adequacy of the conceptual design package prior to CD-1 approval. It focuses on...

128

Development of the Conceptual Models for Chemical Conditions and Hydrology Used in the 1996 Performance Assessment for the Waste Isolation Pilot Plant  

SciTech Connect (OSTI)

The Waste Isolation Pilot Plant (WIPP) is a US Department of Energy (DOE) facility for the permanent disposal of defense-related transuranic (TRU) waste. US Environmental Protection Agency (EPA) regulations specify that the DOE must demonstrate on a sound basis that the WIPP disposal system will effectively contain long-lived alpha-emitting radionuclides within its boundaries for 10,000 years following closure. In 1996, the DOE submitted the ''40 CFR Part 191 Compliance Certification Application for the Waste Isolation Pilot Plant'' (CCA) to the EPA. The CCA proposed that the WIPP site complies with EPA's regulatory requirements. Contained within the CCA are descriptions of the scientific research conducted to characterize the properties of the WIPP site and the probabilistic performance assessment (PA) conducted to predict the containment properties of the WIPP disposal system. In May 1998, the EPA certified that the TRU waste disposal at the WIPP complies with its regulations. Waste disposal operations at WIPP commenced on March 28, 1999. The 1996 WIPP PA model of the disposal system included conceptual and mathematical representations of key hydrologic and geochemical processes. These key processes were identified over a 22-year period involving data collection, data interpretation, computer models, and sensitivity studies to evaluate the importance of uncertainty and of processes that were difficult to evaluate by other means. Key developments in the area of geochemistry were the evaluation of gas generation mechanisms in the repository; development of a model of chemical conditions in the repository and actinide concentrations in brine; selecting MgO backfill and demonstrating its effects experimentally; and determining the chemical retardation capability of the Culebra. Key developments in the area of hydrology were evacuating the potential for groundwater to dissolve the Salado Formation (the repository host formation), development of a regional model for hydrologic conditions, development of a stochastic, probabilistic representation of hydraulic properties in the Culebra Member of the Rustler Formation; characterization of physical transport in the Culebra, and the evaluation of brine and gas flow in the Salado. Additional confidence in the conceptual models used in the 1996 WIPP PA was gained through independent peer review in many stages of their development.

LARSON, KURT W.

2000-05-24T23:59:59.000Z

129

TANK48 CFD MODELING ANALYSIS  

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 to ensure uniformity of the discharge stream. Mixing is accomplished with one to four dual-nozzle slurry pumps located within the tank liquid. For the work, a Tank 48 simulation model with a maximum of four slurry pumps in operation has been developed to estimate flow patterns for efficient solid mixing. The modeling calculations were performed by using two modeling approaches. One approach is a single-phase Computational Fluid Dynamics (CFD) model to evaluate the flow patterns and qualitative mixing behaviors for a range of different modeling conditions since the model was previously benchmarked against the test results. The other is a two-phase CFD model to estimate solid concentrations in a quantitative way by solving the Eulerian governing equations for the continuous fluid and discrete solid phases over the entire fluid domain of Tank 48. The two-phase results should be considered as the preliminary scoping calculations since the model was not validated against the test results yet. A series of sensitivity calculations for different numbers of pumps and operating conditions has been performed to provide operational guidance for solids suspension and mixing in the tank. In the analysis, the pump was assumed to be stationary. Major solid obstructions including the pump housing, the pump columns, and the 82 inch central support column were included. The steady state and three-dimensional analyses with a two-equation turbulence model were performed with FLUENT{trademark} for the single-phase approach and CFX for the two-phase approach. Recommended operational guidance was developed assuming that local fluid velocity can be used as a measure of sludge suspension and spatial mixing under single-phase tank model. For quantitative analysis, a two-phase fluid-solid model was developed for the same modeling conditions as the single-phase model. The modeling results show that the flow patterns driven by four pump operation satisfy the solid suspension requirement, and the average solid concentration at the plane of the transfer pump inlet is about 12% higher than the tank average concentrations for the 70 inch tank level and about the same as the tank average value for the 29 inch liquid level. When one of the four pumps is not operated, the flow patterns are satisfied with the minimum suspension velocity criterion. However, the solid concentration near the tank bottom is increased by about 30%, although the average solid concentrations near the transfer pump inlet have about the same value as the four-pump baseline results. The flow pattern results show that although the two-pump case satisfies the minimum velocity requirement to suspend the sludge particles, it provides the marginal mixing results for the heavier or larger insoluble materials such as MST and KTPB particles. The results demonstrated that when more than one jet are aiming at the same position of the mixing tank domain, inefficient flow patterns are provided due to the highly localized momentum dissipation, resulting in inactive suspension zone. Thus, after completion of the indexed solids suspension, pump rotations are recommended to avoid producing the nonuniform flow patterns. It is noted that when tank liquid level is reduced from the highest level of 70 inches to the minimum level of 29 inches for a given number of operating pumps, the solid mixing efficiency becomes better since the ratio of the pump power to the mixing volume becomes larger. These results are consistent with the literature results.

Lee, S.

2011-05-17T23:59:59.000Z

130

Preliminary geohydrologic conceptual model of the Los Medanos region near the Waste Isolation Pilot Plant for the purpose of performance assessment  

SciTech Connect (OSTI)

This report describes a geohydrologic conceptual model of the northern Delaware Basin to be used in modeling three-dimensional, regional ground-water flow for assessing the performance of the Waste Isolation Pilot Plant (WIPP) in the Los Medanos region near Carlsbad, New Mexico. Geochemical and hydrological evidence indicates that flow is transient in the Rustler Formation and the Capitan aquifer in response to changing geologic, hydrologic, and climatic conditions. Before the Pleistocene, ground-water flow in the Rustler Formation was generally eastward, but uneven tilting of the Delaware Basin lowered the regional base level and formed fractures in the evaporitic sequence of rocks approximately parallel to the basin axis. Dissolution along the fractures, coupled with erosion, formed Nash Draw. Also, the drop in base level resulted in an increase in the carrying power of the Pecos River, which began incising the Capitan/aquifer near Carlsbad, New Mexico. Erosion and downcutting released hydraulic pressure that caused a reversal in Rustler ground-water flow direction near the WIPP. Flow in the Rustler west of the WIPP is toward Nash Draw and eventually toward Malaga Bend; flow south of the WIPP is toward Malaga Bend. 126 refs., 70 figs., 18 tabs.

Brinster, K.F. (Science Applications International Corp., Albuquerque, NM (USA))

1991-01-01T23:59:59.000Z

131

Abstract--This paper formulates a conceptual model for designing wireless sensor networks as a development enabling  

E-Print Network [OSTI]

enabler in a rural farming context. Based on the proposed model, the paper explains the research an acceptable value while requiring minimum interaction with any existent infrastructure, which is typically and power systems, in addition to WSN. Even more importantly, we adopt a participatory design approach

Subramanian, Sriram

132

Validation Analysis of the Shoal Groundwater Flow and Transport Model  

SciTech Connect (OSTI)

Environmental restoration at the Shoal underground nuclear test is following a process prescribed by a Federal Facility Agreement and Consent Order (FFACO) between the U.S. Department of Energy, the U.S. Department of Defense, and the State of Nevada. Characterization of the site included two stages of well drilling and testing in 1996 and 1999, and development and revision of numerical models of groundwater flow and radionuclide transport. Agreement on a contaminant boundary for the site and a corrective action plan was reached in 2006. Later that same year, three wells were installed for the purposes of model validation and site monitoring. The FFACO prescribes a five-year proof-of-concept period for demonstrating that the site groundwater model is capable of producing meaningful results with an acceptable level of uncertainty. The corrective action plan specifies a rigorous seven step validation process. The accepted groundwater model is evaluated using that process in light of the newly acquired data. The conceptual model of ground water flow for the Project Shoal Area considers groundwater flow through the fractured granite aquifer comprising the Sand Springs Range. Water enters the system by the infiltration of precipitation directly on the surface of the mountain range. Groundwater leaves the granite aquifer by flowing into alluvial deposits in the adjacent basins of Fourmile Flat and Fairview Valley. A groundwater divide is interpreted as coinciding with the western portion of the Sand Springs Range, west of the underground nuclear test, preventing flow from the test into Fourmile Flat. A very low conductivity shear zone east of the nuclear test roughly parallels the divide. The presence of these lateral boundaries, coupled with a regional discharge area to the northeast, is interpreted in the model as causing groundwater from the site to flow in a northeastward direction into Fairview Valley. Steady-state flow conditions are assumed given the absence of groundwater withdrawal activities in the area. The conceptual and numerical models were developed based upon regional hydrogeologic investigations conducted in the 1960s, site characterization investigations (including ten wells and various geophysical and geologic studies) at Shoal itself prior to and immediately after the test, and two site characterization campaigns in the 1990s for environmental restoration purposes (including eight wells and a year-long tracer test). The new wells are denoted MV-1, MV-2, and MV-3, and are located to the northnortheast of the nuclear test. The groundwater model was generally lacking data in the north-northeastern area; only HC-1 and the abandoned PM-2 wells existed in this area. The wells provide data on fracture orientation and frequency, water levels, hydraulic conductivity, and water chemistry for comparison with the groundwater model. A total of 12 real-number validation targets were available for the validation analysis, including five values of hydraulic head, three hydraulic conductivity measurements, three hydraulic gradient values, and one angle value for the lateral gradient in radians. In addition, the fracture dip and orientation data provide comparisons to the distributions used in the model and radiochemistry is available for comparison to model output. Goodness-of-fit analysis indicates that some of the model realizations correspond well with the newly acquired conductivity, head, and gradient data, while others do not. Other tests indicated that additional model realizations may be needed to test if the model input distributions need refinement to improve model performance. This approach (generating additional realizations) was not followed because it was realized that there was a temporal component to the data disconnect: the new head measurements are on the high side of the model distributions, but the heads at the original calibration locations themselves have also increased over time. This indicates that the steady-state assumption of the groundwater model is in error. To test the robustness of the model d

A. Hassan; J. Chapman

2008-11-01T23:59:59.000Z

133

Conceptualizing e-selling  

Science Journals Connector (OSTI)

This research explores and investigates the conceptualization of e-selling. A review and 42 in-depth interviews with industry experts show that e-selling is seen as an activity distinct from ecommerce, e-marketing and e-retailing - digital human-like ... Keywords: electronic commerce, human-computer-interaction, influence tactics, persuasive technology, selling, virtual environments

Petri Parvinen; Olli Tiainen; Jari Salo; Essi Pyry; Hedon Blakaj

2011-08-01T23:59:59.000Z

134

U.S. National Committee for Rock Mechanics; and Conceptual model of fluid infiltration in fractured media. Project summary, July 28, 1997--July 27, 1998  

SciTech Connect (OSTI)

The title describes the two tasks summarized in this report. The remainder of the report contains information on meetings held or to be held on the subjects. The US National Committee for Rock Mechanics (USNC/RM) provides for US participation in international activities in rock mechanics, principally through adherence to the International Society for Rock Mechanics (ISRM). It also keeps the US rock mechanics community informed about new programs directed toward major areas of national concern in which rock mechanics problems represent critical or limiting factors, such as energy resources, excavation, underground storage and waste disposal, and reactor siting. The committee also guides or produces advisory studies and reports on problem areas in rock mechanics. A new panel under the auspices of the US National Committee for Rock Mechanics has been appointed to conduct a study on Conceptual Models of Fluid Infiltration in Fractured Media. The study has health and environmental applications related to the underground flow of pollutants through fractured rock in and around mines and waste repositories. Support of the study has been received from the US Nuclear Regulatory Commission and the Department of Energy`s Yucca Mountain Project Office. The new study builds on the success of a recent USNC/RM report entitled Rock Fractures and Fluid Flow: Contemporary Understanding and Applications (National Academy Press, 1996, 551 pp.). A summary of the new study is provided.

NONE

1998-09-01T23:59:59.000Z

135

An experimental study on the misunderstanding of velocity by university students and the effect of remedial activity based on the model of conceptual change  

Science Journals Connector (OSTI)

The results obtained in two experimental studies performed during two academic years at the Science Faculty of Bari University (Southern Italy) are reported. In these two investigations the aims were: (i) to probe the students' understanding of the concept of velocity and to detect the reasoning adopted in solving the written problems proposed; (ii) to investigate the effect of the nature of the problems on the student samples (freshmen or sophomores) and the incidence of formal teaching of the concept of velocity at university level; (iii) to study the relationship between the intellectual level of cognitive development and the answer typologies identified. The authors were disappointed to find that as many as about 29% of the student sample exposed to careful lectures were still dominated by the so-called position-velocity misconception. Remedial activity based on the model of conceptual change was tried and proved to be successful in helping the students to acquire the concept of velocity correctly, and to remove their misconception.

V Picciarelli; R Stella; M Di Gennaro; L De Leonardis

1990-01-01T23:59:59.000Z

136

A conceptual model and preliminary estimate of potential tritium migration from the Benham (U-20c) site, Pahute Mesa, Nevada Test Site  

SciTech Connect (OSTI)

U-20c is the site of a large below-water-table nuclear test near the Nevada Test Site boundary. A conceptual model of potential groundwater migration of tritium from U-20c is constructed and quantitatively evaluated in this report. The lower portion of the collapse chimney at Benham is expected to intersect 200 m of permeable rhyolite lava, overlain by similar thicknesses of low-permeability zeolitized bedded tuff, then permeable welded tuff. Vertical groundwater flow through the chimney is predicted to be minimal, horizontal transport should be controlled by the regional groundwater flow. Analytic solutions treating only advective transport indicate 1 to 2 km of tritium movement (95% confidence interval 0.7--2.5 km) within 5 years after test-related pressure-temperature transients have dissipated. This point lies at the axis of a potentiometric surface trough along the west edge of Area 20, Nevada Test Site. Within 25 years, movement is predicted to extend to 3 km (95% confidence interval 2--5 km) approximately to the intersection of the trough and the Nevada Test Site boundary. Considering the effects of radioactive decay, but not dispersion, plume concentration would fall below Safe Drinking Water Act standards by 204 years, at a predicted distance of 11 km (95% confidence interval 7--31 km). This point is located in the eastern portion of the Timber Mountain Caldera moat within the Nellis Air Force Range (military bombing range).

Brikowski, T.; Mahin, G. [Nevada Univ., Reno, NV (United States). Water Resources Center

1993-08-01T23:59:59.000Z

137

A Conceptual Framework for Progressing Towards Sustainability in the  

Open Energy Info (EERE)

A Conceptual Framework for Progressing Towards Sustainability in the A Conceptual Framework for Progressing Towards Sustainability in the Agriculture and Food Sector Jump to: navigation, search Tool Summary LAUNCH TOOL Name: A Conceptual Framework for Progressing Towards Sustainability in the Agriculture and Food Sector Agency/Company /Organization: Food and Agriculture Organization of the United Nations Sector: Land Focus Area: Agriculture Topics: Policies/deployment programs, Pathways analysis Resource Type: Publications Website: www.fao.org/docrep/012/al322e/al322e00.pdf A Conceptual Framework for Progressing Towards Sustainability in the Agriculture and Food Sector Screenshot References: A Conceptual Framework for Progressing Towards Sustainability in the Agriculture and Food Sector[1] Logo: A Conceptual Framework for Progressing Towards Sustainability in the Agriculture and Food Sector

138

Conceptual design of first toroidal electron cyclotron resonance ion source and modeling of ion extraction from it  

E-Print Network [OSTI]

Electron Cyclotron Resonance Ion Sources (ECRIS) progressed to higher and higher ion currents and charge states by adopting stronger magnetic fields (beneficial for confinement) and proportionally higher ECR frequencies. Further improvements would require the attainment of "triple products" of density, temperature and confinement time comparable with major fusion experiments. For this, we propose a new, toroidal rather than linear, ECRIS geometry, which would at the same time improve confinement and make better use of the magnetic field. Ion extraction is more complicated than from a linear device, but feasible, as our modelling suggests: single-particle tracings showed successful extraction by at least two techniques, making use respectively of a magnetic extractor and of ExB drifts. Additional techniques are briefly discussed.

Caliri, C; Volpe, F A

2015-01-01T23:59:59.000Z

139

Transportation Analysis, Modeling, and Simulation (TAMS) Application  

E-Print Network [OSTI]

Transportation Analysis, Modeling, and Simulation (TAMS) Application Center for Transportation Passenger Flows Supply Chain Efficiency Transportation: Energy Environment Safety Security Vehicle Technologies T he Center for Transportation Analysis (CTA) TAMS application is a web-based tool that supports

140

CLEERS Aftertreatment Modeling and Analysis  

SciTech Connect (OSTI)

DOE FY 2011 Advanced Combustion Technologies Annual Report. CLEERS is a research and development focus project of the Diesel Cross-Cut Team. The overall objective is to promote the development of improved computational tools for simulating realistic full-system performance of lean-burn engines and the associated emissions control systems. Three fundamental research projects are sponsored at PNNL through CLEERS: DPF, SCR, and LNT. Resources are shared between the three efforts in order to actively respond to current industrial needs. In FY 2011, more emphasis was placed on the SCR and LNT activities because of urgent application issues associated with these technologies. Objectives of this project are to lead and contribute to the Cross-Cut Lean Exhaust Emissions Reduction Simulations (CLEERS) activities - (a) Provide project updates to the industry sub-team, solicit feedback, and adjust work scope accordingly; and (b) Lead technical discussions, invite distinguished speakers, and maintain an open dialogue on selective catalytic reduction (SCR), lean-NOx trap (LNT), and diesel particulate filter (DPF) modeling issues. Fiscal Year (FY) 2011 Objectives are to: (1) Develop improved modeling capabilities for SCR and DPFs through fundamental experiments; and (2) Develop a fundamental understanding of SCR and LNT catalysts with primary focus on reaction mechanisms and material characterization. Some accomplishments are: (1) Participated in monthly CLEERS teleconferences and coordinated the calls focused on SCR, LNT and DPF technologies; (2) Updated PNNL's SCR model for the state-of-the-art commercial Cu-zeolite SCR catalyst to extract kinetic parameters and to quantitatively describe the effects of hydrothermal aging; (3) Examined the effects of hydrothermal aging on the physicochemical properties and SCR reactions using the commercial Cu catalyst in collaboration with Oak Ridge National Laboratory (ORNL); (4) Investigated the nature of Cu species and obtained kinetic parameters for small-pore zeolite-based Cu SCR catalyst. (5) Examined the effects of support materials for Ba-based LNT catalysts, and found magnesium aluminate may improve the oxides of nitrogen (NO{sub x}) reduction performance at high temperatures; (6) Investigated soot oxidation mechanisms for relevant oxidants (O{sub 2}, NO{sub 2}) through reactor experiments and transmission electron spectroscopy (TEM) analysis; (7) Seven publications and 21 public presentations (eight invited) during the past FY; and (8) Co-organized sessions on emission control and modeling for the SAE World Congress and the American Society of Mechanical Engineers Internal Combustion Engine Conference.

Devarakonda, Maruthi N.; Herling, Darrell R.; Kim, Do Heui; Kwak, Ja Hun; Peden, Charles HF; Stewart, Mark L.; Strzelec, Andrea; Szanyi, Janos; Tran, Diana N.; Lee, Jong H.

2012-02-08T23:59:59.000Z

Note: This page contains sample records for the topic "analysis conceptual model" 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

Geologic Framework Model Analysis Model Report  

SciTech Connect (OSTI)

The purpose of this report is to document the Geologic Framework Model (GFM), Version 3.1 (GFM3.1) with regard to data input, modeling methods, assumptions, uncertainties, limitations, and validation of the model results, qualification status of the model, and the differences between Version 3.1 and previous versions. The GFM represents a three-dimensional interpretation of the stratigraphy and structural features of the location of the potential Yucca Mountain radioactive waste repository. The GFM encompasses an area of 65 square miles (170 square kilometers) and a volume of 185 cubic miles (771 cubic kilometers). The boundaries of the GFM were chosen to encompass the most widely distributed set of exploratory boreholes (the Water Table or WT series) and to provide a geologic framework over the area of interest for hydrologic flow and radionuclide transport modeling through the unsaturated zone (UZ). The depth of the model is constrained by the inferred depth of the Tertiary-Paleozoic unconformity. The GFM was constructed from geologic map and borehole data. Additional information from measured stratigraphy sections, gravity profiles, and seismic profiles was also considered. This interim change notice (ICN) was prepared in accordance with the Technical Work Plan for the Integrated Site Model Process Model Report Revision 01 (CRWMS M&O 2000). The constraints, caveats, and limitations associated with this model are discussed in the appropriate text sections that follow. The GFM is one component of the Integrated Site Model (ISM) (Figure l), which has been developed to provide a consistent volumetric portrayal of the rock layers, rock properties, and mineralogy of the Yucca Mountain site. The ISM consists of three components: (1) Geologic Framework Model (GFM); (2) Rock Properties Model (RPM); and (3) Mineralogic Model (MM). The ISM merges the detailed project stratigraphy into model stratigraphic units that are most useful for the primary downstream models and the repository design. These downstream models include the hydrologic flow models and the radionuclide transport models. All the models and the repository design, in turn, will be incorporated into the Total System Performance Assessment (TSPA) of the potential radioactive waste repository block and vicinity to determine the suitability of Yucca Mountain as a host for the repository. The interrelationship of the three components of the ISM and their interface with downstream uses are illustrated in Figure 2.

R. Clayton

2000-12-19T23:59:59.000Z

142

Conceptual Safety Design RM  

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

Conceptual Safety Design Review Module Conceptual Safety Design Review Module March 2010 CD-0 O 0 OFFICE OF C C CD-1 F ENVIRO Standard R Conceptua Rev Critical Decis CD-2 M ONMENTAL Review Plan al Safety view Module sion (CD) Ap CD March 2010 L MANAGE n (SRP) y Design e pplicability D-3 EMENT CD-4 Post Ope eration Standard Review Plan, 2 nd Edition, March 2010 i FOREWORD The Standard Review Plan (SRP) 1 provides a consistent, predictable corporate review framework to ensure that issues and risks that could challenge the success of Office of Environmental Management (EM) projects are identified early and addressed proactively. The internal EM project review process encompasses key milestones established by DOE O 413.3A, Change 1, Program and Project Management for the Acquisition of Capital

143

Conceptual Design RM  

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

Conceptual Design Review Module Conceptual Design Review Module March 2010 CD-0 O 0 OFFICE OF C CD-1 F ENVIRO Standard R Concep Rev Critical Decis CD-2 M ONMENTAL Review Plan ptual De view Module sion (CD) Ap CD March 2010 L MANAGE n (SRP) sign e pplicability D-3 EMENT CD-4 Post Ope eration Standard Review Plan, 2 nd Edition, March 2010 i FOREWORD The Standard Review Plan (SRP) 1 provides a consistent, predictable corporate review framework to ensure that issues and risks that could challenge the success of Office of Environmental Management (EM) projects are identified early and addressed proactively. The internal EM project review process encompasses key milestones established by DOE O 413.3A, Change 1, Program and Project Management for the Acquisition of Capital Assets, DOE-STD-1189-2008,

144

Building a Conceptual Skeleton for Enterprise Architecture Specifications  

Science Journals Connector (OSTI)

This paper describes a way to build a conceptual model for diversified purposes of modelling Enterprise Architectures (EA). It is commonly known that, due to the complexity, Enterprise Architectures need to be considered from several viewpoints. This ...

Veikko Halttunen; Antti Lehtinen; Riku Nyknen

2006-05-01T23:59:59.000Z

145

Miss Conceptualizing the Dream  

E-Print Network [OSTI]

of gratification and security, yet then they too disolve into ilusions and facades of our identity, security and happines. As one either bares witnes to or personaly experiences tragic losses of the unfulfiled promises granted by our devotion to atain, (or..., anew. Together we could redefine the American dream, one that is rooted in values that are atainable for al individuals and sustainable for generations to come. Mis Conceptualizing the Dream is an exhibition conceived to iluminate and reflect...

Kephart, Sarah Caroline

2009-12-09T23:59:59.000Z

146

DOE Hydrogen Analysis Repository: Hydrogen Modeling Projects  

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

Modeling Projects Modeling Projects Below are models grouped by topic. These models are used to analyze hydrogen technology, infrastructure, and other areas related to the development and use of hydrogen. Cross-Cutting Distributed Energy Resources Customer Adoption Model (DER_CAM) Hydrogen Deployment System (HyDS) Model and Analysis Hydrogen Technology Assessment and Selection Model (HyTASM) Renewable Energy Power System Modular Simulator (RPM-Sim) Stranded Biogas Decision Tool for Fuel Cell Co-Production Energy Infrastructure All Modular Industry Growth Assessment (AMIGA) Model Building Energy Optimization (BEopt) Distributed Energy Resources Customer Adoption Model (DER_CAM) Hydrogen Deployment System (HyDS) Model and Analysis Hydrogen Technology Assessment and Selection Model (HyTASM)

147

SYSTEM MODELING AND ANALYSIS USING COMMUNICATION CHANNELS  

Science Journals Connector (OSTI)

In this study, we approach systems from an information theoretical perspective. Specifically, we propose a framework to model systems by noisy communication channels and analyze them by this framework whose elements are commonly used analysis tools in ... Keywords: Analysis, Information Theory, Modeling, Systems

Bunyamin Ozaydin; Murat M. Tanik

2011-01-01T23:59:59.000Z

148

H2A Hydrogen Delivery Infrastructure Analysis Models and Conventional...  

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

H2A Hydrogen Delivery Infrastructure Analysis Models and Conventional Pathway Options Analysis Results - Interim Report H2A Hydrogen Delivery Infrastructure Analysis Models and...

149

Conceptual Learning in Social Studies Classroom: An Analysis of Texas Assessment of Knowledge and Skills (TAKS) Social Studies Questions with and without Concept  

E-Print Network [OSTI]

Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY May 2012 Major Subject: Curriculum and Instruction Conceptual Learning in Social... of DOCTOR OF PHILOSOPHY Approved by: Chair of Committee, Lynn M. Burlbaw Committee Members, Janet Hammer Valerie Hill-Jackson Walter Kamphoefner Head of Department, Yeping Li May 2012 Major Subject: Curriculum and Instruction iii ABSTRACT...

Kilinc, Emin

2012-07-16T23:59:59.000Z

150

Sandia National Laboratories: Modeling & Analysis  

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

(PSEL), Renewable Energy, SMART Grid, Solar, Solar Newsletter, SunShot, Systems Analysis, Systems Engineering On October 21, Sandia's Joshua Stein, Melissa Sisneros, and...

151

Conceptualization and image understanding by neural networks  

E-Print Network [OSTI]

50 51 51 5 CHAPTER Page a. Conceptual Knowledge Base b. Fuzzy Associative Memories C. Control System 1. Monitoring the Sensory System . 2. Monitoring the Training 3. Generating the Understanding D. Example . IV CONCLUSION REFERENCES... effective in representing knowledge in the form of concepts. The approach towards image analysis has been based upon a distinctive control mechanism guiding the image analysis, by invoking the knowledge base and extracting low level features through...

Gudipalley, Chandu

2012-06-07T23:59:59.000Z

152

A Model-Driven Engineering Framework for Component Models Interoperability  

Science Journals Connector (OSTI)

A multitude of component models exist today, characterized by slightly different conceptual architectural elements, focusing on a specific operational domain, covering different phases of component life-cycle, or supporting analysis of different quality ...

Ivica Crnkovi?; Ivano Malavolta; Henry Muccini

2009-06-01T23:59:59.000Z

153

Toward Models for Forensic Analysis Sean Peisert  

E-Print Network [OSTI]

Toward Models for Forensic Analysis Sean Peisert Matt Bishop Sidney Karin Keith Marzullo Abstract The existing solutions in the field of computer forensics are largely ad hoc. This paper discusses the need for a rigorous model of forensics and outlines qualities that such a model should possess. It presents

Bishop, Matt

154

Toward Models for Forensic Analysis  

E-Print Network [OSTI]

Farmer and Wietse Venema. Forensic Discovery. Addison WesleyTo summarize, a good forensic model should possess theparameter that enables a forensic analyst to decide what to

Peisert, Sean; Bishop, Matt; Karin, Sidney; Marzullo, Keith

2007-01-01T23:59:59.000Z

155

Sandia National Laboratories: Modeling & Analysis  

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

to address the most challenging and demanding climate-change issues. Accelerated Climate Modeling for Energy (ACME) is designed to accel-erate the development and applica-tion of...

156

Climate Analysis, Monitoring, and Modeling  

E-Print Network [OSTI]

and hydrological monitoring stations, and improving the projections on future climate change. Climate change. This project continues the state's climate monitoring and analysis program. Project Description in climate projections for the 21st century. · Provide analyses and interpretation of regional climate

157

DOE Hydrogen Analysis Repository: GREET Model  

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

GREET Model GREET Model Project Summary Full Title: Greenhouse gases, Regulated Emissions, and Energy use in Transportation (GREET) Model Project ID: 84 Principal Investigator: Michael Wang Keywords: Well-to-wheels (WTW); emissions; greenhouse gases (GHG); fuel cell vehicles (FCV) Purpose GREET supports Milestone 24 of the Systems Analysis activity of the DOE Hydrogen Program: Complete baseline economic, energy efficiency, and environmental targets for fossil, nuclear and renewable hydrogen production and delivery technologies. GREET also supports the 3rd objective listed in the DOE Hydrogen Program's Systems Analysis Plan: Well-to-Wheels Analysis: Conduct on-going, integrated well-to-wheels analysis of hydrogen pathways for introducing hydrogen as a transportation fuel. The analysis

158

Scripted Building Energy Modeling and Analysis (Presentation)  

SciTech Connect (OSTI)

Building energy analysis is often time-intensive, error-prone, and non-reproducible. Entire energy analyses can be scripted end-to-end using the OpenStudio Ruby API. Common tasks within an analysis can be automated using OpenStudio Measures. Graphical user interfaces (GUI's) and component libraries reduce time, decrease errors, and improve repeatability in energy modeling.

Macumber, D.

2012-10-01T23:59:59.000Z

159

Vehicle Technologies Office: Modeling, Testing and Analysis  

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

Modeling, Testing and Analysis Modeling, Testing and Analysis The Vehicle Technologies Office's robust portfolio is supported by modeling, testing, and analysis. This work complements the research on batteries, power electronics, and materials, helping researchers integrate these components and ensure the whole vehicle meets consumer and commercial needs. Modeling allows researchers to build "virtual vehicles" that simulate fuel economy, emissions and performance of a potential vehicle. The Office has supported the development of several software-based analytic tools that researchers can use or license. Integration and Validation allows researchers to test physical component and subsystem prototypes as if they are in a real vehicle. Laboratory and Fleet Testing provides data on PEVs through both dynamometer and on-the-road testing. Researchers use the data to benchmark current vehicles, as well as validate the accuracy of software models.

160

CONCEPTUAL: A Network Correctness and Performance Testing Language Scott Pakin  

E-Print Network [OSTI]

CONCEPTUAL: A Network Correctness and Performance Testing Language Scott Pakin CCS-3: Modeling by a running application. Con- sider, for example, a bandwidth benchmark, which purport- edly measures data

Note: This page contains sample records for the topic "analysis conceptual model" 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

Bifurcation Analysis of Endogenous Growth Models  

E-Print Network [OSTI]

that the model could produce chaotic dynamics, but our analysis cannot confirm that conjecture. Further this thesis analyses the dynamics of a variant of Jones semi-endogenous growth model "Sources of US Economic growth in a World of Ideas" The American Economic...

Ghosh, Taniya

2013-05-31T23:59:59.000Z

162

Conceptual design and cost analysis of hydraulic output unit for 15 kW free-piston Stirling engine. Final Report  

SciTech Connect (OSTI)

A long-life hydraulic converter with unique features was conceptually designed to interface with a specified 15 kW(e) free-piston Stirling engine in a solar thermal dish application. Hydraulic fluid at 34.5 MPa (5000 psi) is produced to drive a conventional hydraulic motor and rotary alternator. Efficiency of the low-maintenance converter design was calculated at 93.5% for a counterbalanced version and 97.0% without the counterbalance feature. If the converter were coupled to a Stirling engine with design parameters more typical of high-technology Stirling engines, counterbalanced converter efficiency could be increased to 99.6%. Dynamic computer simulation studies were conducted to evaluate performance and system sensitivities. Production costs of the complete Stirling hydraulic/electric power system were evaluated at $6506 which compared with $8746 for an alternative Stirling engine/linear alternator system.

White, M.A.

1982-08-01T23:59:59.000Z

163

Renewable Fuel Vehicle Modeling and Analysis | Department of...  

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

Renewable Fuel Vehicle Modeling and Analysis Renewable Fuel Vehicle Modeling and Analysis 2009 DOE Hydrogen Program and Vehicle Technologies Program Annual Merit Review and Peer...

164

CLEERS Aftertreatment Modeling and Analysis | Department of Energy  

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

Aftertreatment Modeling and Analysis CLEERS Aftertreatment Modeling and Analysis 2010 DOE Vehicle Technologies and Hydrogen Programs Annual Merit Review and Peer Evaluation...

165

Conceptual Safety Design RM | Department of Energy  

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

Safety Design RM Conceptual Safety Design RM The Conceptual Safety Design (CSD) Review Module (RM) is a tool that assists DOE federal project review teams in evaluating the...

166

PHENIX Conceptual Design Report  

SciTech Connect (OSTI)

The PHENIX Conceptual Design Report (CDR) describes the detector design of the PHENIX experiment for Day-1 operation at the Relativistic Heavy Ion Collider (RHIC). The CDR presents the physics capabilities, technical details, cost estimate, construction schedule, funding profile, management structure, and possible upgrade paths of the PHENIX experiment. The primary goals of the PHENIX experiment are to detect the quark-gluon plasma (QGP) and to measure its properties. Many of the potential signatures for the QGP are measured as a function of a well-defined common variable to see if any or all of these signatures show a simultaneous anomaly due to the formation of the QGP. In addition, basic quantum chromodynamics phenomena, collision dynamics, and thermodynamic features of the initial states of the collision are studied. To achieve these goals, the PHENIX experiment measures lepton pairs (dielectrons and dimuons) to study various properties of vector mesons, such as the mass, the width, and the degree of yield suppression due to the formation of the QGP. The effect of thermal radiation on the continuum is studied in different regions of rapidity and mass. The e[mu] coincidence is measured to study charm production, and aids in understanding the shape of the continuum dilepton spectrum. Photons are measured to study direct emission of single photons and to study [pi][sup 0] and [eta] production. Charged hadrons are identified to study the spectrum shape, production of antinuclei, the [phi] meson (via K[sup +]K[sup [minus

Not Available

1993-01-29T23:59:59.000Z

167

A model of forensic analysis using goal-oriented logging  

E-Print Network [OSTI]

A Toward Forensic Models . . . . . . . . . . . . . . . .of Forensic Analysis . . . . . . . . . . . . . . . .150 3. Applying Forensic Techniques to Intrusion

Peisert, Sean Philip

2007-01-01T23:59:59.000Z

168

Safety, Dependability and Performance Analysis of Extended AADL Models  

Science Journals Connector (OSTI)

......analysis Failure mode and effects analysis (FMEA) and fault tree analysis (FTA), model...Wesupporttwopopularhazardanalysistechniques:FMEA and FTA. Both techniques are realized...symbolic model checking [33, 34]. (i) FMEA is an inductive technique that starts by......

Marco Bozzano; Alessandro Cimatti; Joost-Pieter Katoen; Viet Yen Nguyen; Thomas Noll; Marco Roveri

2011-05-01T23:59:59.000Z

169

Path Analysis Models of an Autonomous Agent  

E-Print Network [OSTI]

Path Analysis Models of an Autonomous Agent in a Complex Environment Paul R. Cohen, David M. Hart AFOSR-91-0067. #12;1 Phoenix Phoenix is a simulated environment populated by autonomous agents) the e orts of all, a reboss. Fires burn in unpredictable ways due to wind speed and direction, terrain

170

Carbon Tetrachloride Flow and Transport in the Subsurface of the 216-Z-18 Crib and 216-Z-1A Tile Field at the Hanford Site: Multifluid Flow Simulations and Conceptual Model Update  

SciTech Connect (OSTI)

Carbon tetrachloride (CT) was discharged to the 216-Z-9, Z-1A, and Z-18 waste sites that are included in the 200-PW-1 Operable Unit in Hanford 200 West Area. Fluor Hanford, Inc. is conducting a Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) remedial investigation/feasibility study (RI/FS) for the 200-PW-1 Operable Unit. As part of this overall effort, Pacific Northwest National Laboratory (PNNL) was contracted to improve the conceptual model of how CT is distributed in the Hanford 200 West Area subsurface through use of numerical flow and transport modeling. This work supports the U.S. Department of Energy's (DOE's) efforts to characterize the nature and distribution of CT in the 200 West Area and subsequently select an appropriate final remedy.

Oostrom, Mart; Rockhold, Mark L.; Thorne, Paul D.; Last, George V.; Truex, Michael J.

2006-10-31T23:59:59.000Z

171

SLUDGE TREATMENT PROJECT KOP CONCEPTUAL DESIGN CONTROL DECISION REPORT  

SciTech Connect (OSTI)

This control decision addresses the Knock-Out Pot (KOP) Disposition KOP Processing System (KPS) conceptual design. The KPS functions to (1) retrieve KOP material from canisters, (2) remove particles less than 600 {micro}m in size and low density materials from the KOP material, (3) load the KOP material into Multi-Canister Overpack (MCO) baskets, and (4) stage the MCO baskets for subsequent loading into MCOs. Hazard and accident analyses of the KPS conceptual design have been performed to incorporate safety into the design process. The hazard analysis is documented in PRC-STP-00098, Knock-Out Pot Disposition Project Conceptual Design Hazard Analysis. The accident analysis is documented in PRC-STP-CN-N-00167, Knock-Out Pot Disposition Sub-Project Canister Over Lift Accident Analysis. Based on the results of these analyses, and analyses performed in support of MCO transportation and MCO processing and storage activities at the Cold Vacuum Drying Facility (CVDF) and Canister Storage Building (CSB), control decision meetings were held to determine the controls required to protect onsite and offsite receptors and facility workers. At the conceptual design stage, these controls are primarily defined by their safety functions. Safety significant structures, systems, and components (SSCs) that could provide the identified safety functions have been selected for the conceptual design. It is anticipated that some safety SSCs identified herein will be reclassified based on hazard and accident analyses performed in support of preliminary and detailed design.

CARRO CA

2010-03-09T23:59:59.000Z

172

Gap Analysis Framework and refined Conceptual Models V2.0, Page 1 Network of Excellence in Professional Learning  

E-Print Network [OSTI]

.U.Leuven) / ARIADNE Foundation, Belgium 5. Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. (FHG Innovation (CSI), Austria 8. ?cole Polytechnique Fédérale de Lausanne (EPFL), Switzerland 9. Eigenössische

Paris-Sud XI, Université de

173

BIM extension for the sustainability appraisal of conceptual steel design  

Science Journals Connector (OSTI)

Abstract Contemporary advancements in Information Technology and the efforts from various research initiatives in the AEC industry are showing evidence of progress with the emergence of building information modelling (BIM). BIM presents the opportunity of electronically modelling and managing the vast amount of information embedded in a building project, from its conception to end-of-life. Researchers have been looking at extensions to expand its scope. Sustainability is one such modelling extension that is in need of development. This is becoming pertinent for the structural engineer as recent design criteria have put great emphasis on the sustainability credentials in addition to the traditional criteria of structural integrity, constructability and cost. With the complexity of designs, there are now needs to provide decision support tools to aid in the assessment of the sustainability credentials of design solutions. Such tools would be most beneficial at the conceptual design stage so that sustainability is built into the design solution starting from its inception. The sustainability of buildings is related to life cycle and is measured using indicator-terms such as life cycle costing, ecological footprint and carbon footprint. This paper proposes a modelling framework combining these three indicators in providing sustainability assessments of alternative design solutions based on the economic and environmental sustainability pillars. It employs the principles of feature-based modelling to extract construction-specific information from product models for the purposes of sustainability analysis. A prototype system is implemented using .NET and linked to the BIM enabled software, Revit Structures. The system appraises alternative design solutions using multi-criteria performance analysis. This work demonstrates that current process and data modelling techniques can be employed to model sustainability related information to inform decisions right from the early stages of structural design. It concludes that the utilized information modelling representations in the form of a process model, implementation algorithms and object-based instantiations can capture sustainability related information to inform decisions at the early stages of the structural design process.

Akponanabofa Henry Oti; Walid Tizani

2014-01-01T23:59:59.000Z

174

NREL: Energy Analysis - Models and Tools Archive  

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

Models and Tools Archive Models and Tools Archive Through the years, NREL has developed and supported several models and tools to assess, analyze, and optimize renewable energy and energy efficiency technologies. Some of these have been transferred to the private market. This page lists tools we have supported, but that are no longer active. See current models and tools here. ADVISOR (ADvanced VehIcle SimulatOR) Simulate and analyze conventional, advanced, light, and heavy vehicles, including hybrid electric and fuel cell vehicles. In 2003, ADVISOR was commercialized by AVL Powertrain Engineering, Inc. Hybrid2 Conduct detailed long-term performance and economic analysis on a wide variety of hybrid power systems. RET Finance Calculate the cost of energy of renewable electricity generation

175

Scripted Building Energy Modeling and Analysis: Preprint  

SciTech Connect (OSTI)

Building energy modeling and analysis is currently a time-intensive, error-prone, and nonreproducible process. This paper describes the scripting platform of the OpenStudio tool suite (http://openstudio.nrel.gov) and demonstrates its use in several contexts. Two classes of scripts are described and demonstrated: measures and free-form scripts. Measures are small, single-purpose scripts that conform to a predefined interface. Because measures are fairly simple, they can be written or modified by inexperienced programmers.

Hale, E.; Macumber, D.; Benne, K.; Goldwasser, D.

2012-08-01T23:59:59.000Z

176

ATA diagnostic beam dump conceptual design  

SciTech Connect (OSTI)

A diagnostic beam dump, able to withstand 72,000 pulses (10 kA, 50 MeV/pulse) per shift was designed and analyzed. The analysis shows that the conceptual beam dump design consisting of 80 vitreous carbon plate-foam elements is able to withstand the thermal and mechanical stresses generated. X-rays produced by bremsstrahlung are absorbed by a three element copper plate-foam x-ray absorber. Cooling between bursts of electron pulses is provided by pressurized helium.

Not Available

1981-09-01T23:59:59.000Z

177

Modeling and Analysis of Scholar Mobility on Scientific Landscape  

E-Print Network [OSTI]

Scientific literature till date can be thought of as a partially revealed landscape, where scholars keep unveiling hidden knowledge by exploring novel research topics. How do scholars explore the scientific landscape, i.e., choose research topics to work on? We propose an agent-based model of topic mobility behavior where scholars migrate across research topics on the space of science following different strategies, seeking different utilities. We use this model to study whether strategies widely used in current scientific community can provide a balance between individual scientific success and the efficiency and diversity of the whole academic society. Through extensive simulations, we provide insights into the roles of different strategies, such as choosing topics according to research potential or the popularity. Our model provides a conceptual framework and a computational approach to analyze scholars' behavior and its impact on scientific production. We also discuss how such an agent-based modeling appr...

Ying, Qiu Fang; Chiu, Dah Ming

2015-01-01T23:59:59.000Z

178

Sandia National Laboratories: Analysis, Modeling, Cost of Energy...  

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

ProgramsAnalysis, Modeling, Cost of Energy, and Policy Impact: Wind Vision 2014 Analysis, Modeling, Cost of Energy, and Policy Impact: Wind Vision 2014 The "20% Wind Energy by...

179

Integrating Comprehensive Air Quality Modeling with Policy Analysis  

E-Print Network [OSTI]

Integrating Comprehensive Air Quality Modeling with Policy Analysis: Applications for Distributed Air Quality Modeling with Policy Analysis: Applications for Distributed Electricity Generation renewable technologies. These facilities also shift the magnitude, timing and location of air quality

180

NREL Biorefinery Analysis Process Models | Open Energy Information  

Open Energy Info (EERE)

NREL Biorefinery Analysis Process Models AgencyCompany Organization: National Renewable Energy Laboratory Website: www.nrel.govextranetbiorefineryaspenmodels Transport...

Note: This page contains sample records for the topic "analysis conceptual model" 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

Short communication: Documenting, storing, and executing models in Ecology: A conceptual framework and real implementation in a global change monitoring program  

Science Journals Connector (OSTI)

Many of the best practices concerning the development of ecological models or analytic techniques published in the scientific literature are not fully available to modelers but rather are stored in scientists' digital or biological memories. We propose ... Keywords: Algorithms, Documenting, Metadata, Model, Workflow

Francisco J. Bonet; Ramn Prez-Prez; Blas M. Benito; Fbio Suzart De Albuquerque; Regino Zamora

2014-02-01T23:59:59.000Z

182

DOE Hydrogen Analysis Repository: FLOW Model  

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

FLOW Model FLOW Model Project Summary Full Title: Chemical Engineering Process Simulation Platform - FLOW Project ID: 131 Principal Investigator: Juan Ferrada Brief Description: FLOW is a steady-state chemical process simulator. Modules have been developed for supply chain calculations, micro-economic calculations, and other calculations. Purpose Simulate steady-state chemical processes to support hydrogen infrastructure and transition analysis. Performer Principal Investigator: Juan Ferrada Organization: Oak Ridge National Laboratory (ORNL) Address: Bethel Valley 1, Bldg 5700, N217 Oak Ridge, TN 37831-6166 Telephone: 865-574-4998 Email: ferradajj@ornl.gov Sponsor(s) Name: Fred Joseck Organization: DOE Hydrogen Program Telephone: 202-586-7932 Email: Fred.Joseck@ee.doe.gov

183

Chapter 13: Conventional Facilities 13-1 NSLS-II Conceptual Design Report  

E-Print Network [OSTI]

and operation Sustainable design Section of the Ring Building available for accelerator installation by July-II Conceptual Design Report Brookhaven National Laboratory Table 13.1.1 NSLS-II Gross Area. Building Component: Conventional Facilities 13-5 NSLS-II Conceptual Design Report 13.2 SITE ANALYSIS 13.2.1 Building Site

Ohta, Shigemi

184

Temporal, Spatial, and Constraint Handling in the Conceptual Programming Environment, CP  

E-Print Network [OSTI]

Temporal, Spatial, and Constraint Handling in the Conceptual Programming Environment, CP Heather D)646-1218 email: hdp@dnmsu.edu and rth@nmsu.edu ABSTRACT The Conceptual Programming environment, CP, being-world, scientific analysis (strong) applications. CP is based upon a graphical methodology of visualization derived

Hartley, Roger

185

Spatial Analysis of Contaminants in 200 West Area Groundwater in Support of the 200-ZP-1 Operable Unit Pre-Conceptual Remedy Design  

SciTech Connect (OSTI)

This report documents a preliminary spatial and geostatistical analysis of the distribution of several contaminants of interest (COIs) in groundwater within the unconfined aquifer beneath the 200 West Area of the Hanford Site. The contaminant plumes of interest extend within the 200-ZP-1 and 200-UP-1 groundwater operable units. The COIs included in the PNNL study were carbon tetrachloride (CTET), technetium-99 (Tc-99), iodine-129 (I-129), chloroform, plutonium, uranium, trichloroethylene (TCE), and nitrate. The project included three tasks. Task 1 involved the development of a database that includes all relevant depth-discrete data on the distribution of COIs in the study area. The second task involved a spatial analysis of the three-dimensional (3D) distribution of data for the COIs in the study area. The main focus of the task was to determine if sufficient data are available for geostatistical mapping of the COIs in 3D. Task 3 involved the generation of numerical grids of the concentration of CTET, chloroform, and Tc-99.

Murray, Christopher J.; Bott, Yi-Ju

2008-12-30T23:59:59.000Z

186

MODELING ANALYSIS FOR GROUT HOPPER WASTE TANK  

SciTech Connect (OSTI)

The Saltstone facility at Savannah River Site (SRS) has a grout hopper tank to provide agitator stirring of the Saltstone feed materials. The tank has about 300 gallon capacity to provide a larger working volume for the grout nuclear waste slurry to be held in case of a process upset, and it is equipped with a mechanical agitator, which is intended to keep the grout in motion and agitated so that it won't start to set up. The primary objective of the work was to evaluate the flow performance for mechanical agitators to prevent vortex pull-through for an adequate stirring of the feed materials and to estimate an agitator speed which provides acceptable flow performance with a 45{sup o} pitched four-blade agitator. In addition, the power consumption required for the agitator operation was estimated. The modeling calculations were performed by taking two steps of the Computational Fluid Dynamics (CFD) modeling approach. As a first step, a simple single-stage agitator model with 45{sup o} pitched propeller blades was developed for the initial scoping analysis of the flow pattern behaviors for a range of different operating conditions. Based on the initial phase-1 results, the phase-2 model with a two-stage agitator was developed for the final performance evaluations. A series of sensitivity calculations for different designs of agitators and operating conditions have been performed to investigate the impact of key parameters on the grout hydraulic performance in a 300-gallon hopper tank. For the analysis, viscous shear was modeled by using the Bingham plastic approximation. Steady state analyses with a two-equation turbulence model were performed. All analyses were based on three-dimensional results. Recommended operational guidance was developed by using the basic concept that local shear rate profiles and flow patterns can be used as a measure of hydraulic performance and spatial stirring. Flow patterns were estimated by a Lagrangian integration technique along the flow paths from the material feed inlet.

Lee, S.

2012-01-04T23:59:59.000Z

187

Update 1 to: A Dispersion Modeling Analysis of Downwash from...  

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

Update 1 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant, Modeling Unit 1 Emissions in a Cycling Mode Update 1 to: A Dispersion Modeling...

188

Model sensitivity and uncertainty analysis using roadside air quality measurements  

E-Print Network [OSTI]

Model sensitivity and uncertainty analysis using roadside air quality measurements Sotiris, a probabilistic methodology for assessing urban air quality was proposed. Keywords: Air pollution; Model 535265 1. Introduction Mathematical modelling has been widely used for assessing ambient air quality

Paris-Sud XI, Université de

189

Electricity Markets Analysis (EMA) Model | Open Energy Information  

Open Energy Info (EERE)

Electricity Markets Analysis (EMA) Model Electricity Markets Analysis (EMA) Model Jump to: navigation, search LEDSGP green logo.png FIND MORE DIA TOOLS This tool is part of the Development Impacts Assessment (DIA) Toolkit from the LEDS Global Partnership. Tool Summary LAUNCH TOOL Name: Electricity Markets Analysis (EMA) Model Agency/Company /Organization: Research Triangle Institute Sector: Energy Topics: Co-benefits assessment, - Energy Access, Market analysis Resource Type: Software/modeling tools User Interface: Desktop Application Complexity/Ease of Use: Advanced Website: www.rti.org/page.cfm?objectid=DDC06637-7973-4B0F-AC46B3C69E09ADA9 RelatedTo: Applied Dynamic Analysis of the Global Economy (ADAGE) Model Electricity Markets Analysis (EMA) Model Screenshot References: Electricity Markets Analysis (EMA) Model[1]

190

Conceptualization And Implementation Of A Tectonic Geomorphology Study For  

Open Energy Info (EERE)

Conceptualization And Implementation Of A Tectonic Geomorphology Study For Conceptualization And Implementation Of A Tectonic Geomorphology Study For Geothermal Exploration In The Great Basin, Usa Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Paper: Conceptualization And Implementation Of A Tectonic Geomorphology Study For Geothermal Exploration In The Great Basin, USA Details Activities (0) Areas (0) Regions (0) Abstract: Characterization of tectonic extension and extensional faulting in the Great Basin, U.S.A. has been identified as a priority for geothermal exploration. Geomorphometry can be used to characterize extension rates through the quantification of tectonically induced landforms. A number of geomorphometry-based studies, within the context of tectonic geomorphology, have shown the usefulness of this type of analysis in characterizing

191

Superposition model analysis from polarized electronic absorption  

Science Journals Connector (OSTI)

Polarized electronic absorption spectra of Co2+ in trigonally compressed octahedra in brucite-type Co(OH)2 have been measured at 290 and 90K by microscope-spectrometric techniques and analysed in terms of the superposition model (SM) of crystal fields. The resulting SM and interelectronic repulsion parameters are 4 = 5260, 2 = 4920, RacahB = 825, RacahC = 3550cm-1 at 290K and 4 = 5320, 2 = 3900, RacahB = 830, RacahC = 3500cm-1 at 90K (R0 = 2.1115; fixed exponential and spin-orbit parameters t4 = 5, t2 = 3, ? = 500cm-1). Together with a recent SM analysis of Li2Co3(SeO3)4, the k refined for Co(OH)2 further confine the magnitude of the hitherto unknown `correct' SM parameters of Co2+ for future application to structurally and/or chemically less well defined systems.

M Andrut; M Wildner

2001-01-01T23:59:59.000Z

192

Turing Machine as an ecological model for Task Analysis  

E-Print Network [OSTI]

1 Turing Machine as an ecological model for Task Analysis Thierry Morineau, Emmanuel Frénod model is based on the Turing Machine formalism and takes into account the variety of situations that can opening a door. Keywords: Cognitive work analysis, task analysis, Turing machine, affordance #12;3 1

Frénod, Emmanuel

193

Global Trade and Analysis Project (GTAP) Model | Open Energy Information  

Open Energy Info (EERE)

Global Trade and Analysis Project (GTAP) Model Global Trade and Analysis Project (GTAP) Model Jump to: navigation, search LEDSGP green logo.png FIND MORE DIA TOOLS This tool is part of the Development Impacts Assessment (DIA) Toolkit from the LEDS Global Partnership. Tool Summary LAUNCH TOOL Name: Global Trade Analysis Project (GTAP) Model Agency/Company /Organization: Purdue University Sector: Climate, Energy Topics: Baseline projection, - Macroeconomic, Market analysis, Pathways analysis Resource Type: Software/modeling tools User Interface: Desktop Application Complexity/Ease of Use: Moderate Website: www.gtap.agecon.purdue.edu/models/current.asp Cost: Free References: GTAP[1] Related Tools IGES GHG Calculator For Solid Waste ICCT Roadmap Model Applied Dynamic Analysis of the Global Economy (ADAGE) Model

194

Policy Analysis Modeling System (PAMS) | Open Energy Information  

Open Energy Info (EERE)

Analysis Modeling System (PAMS) Analysis Modeling System (PAMS) (Redirected from Policy Analysis Modeling System) Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Policy Analysis Modeling System Agency/Company /Organization: Lawrence Berkeley National Laboratory Sector: Energy Focus Area: Buildings, Energy Efficiency Topics: Policies/deployment programs Resource Type: Software/modeling tools User Interface: Spreadsheet Website: clasponline.org/ResourcesTools/Tools/PolicyAnalysisModelingSystem Equivalent URI: cleanenergysolutions.org/content/policy-analysis-modeling-system-pams Regulations: "Appliance & Equipment Standards and Required Labeling,Net Metering & Interconnection" is not in the list of possible values (Agriculture Efficiency Requirements, Appliance & Equipment Standards and Required Labeling, Audit Requirements, Building Certification, Building Codes, Cost Recovery/Allocation, Emissions Mitigation Scheme, Emissions Standards, Enabling Legislation, Energy Standards, Feebates, Feed-in Tariffs, Fuel Efficiency Standards, Incandescent Phase-Out, Mandates/Targets, Net Metering & Interconnection, Resource Integration Planning, Safety Standards, Upgrade Requirements, Utility/Electricity Service Costs) for this property.

195

Bioproduct Life Cycle Analysis with the GREET Model  

Broader source: Energy.gov [DOE]

Breakout Session 2BIntegration of Supply Chains II: BioproductsEnabling Biofuels and Growing the Bioeconomy Bioproduct Life Cycle Analysis with the GREET Model Jennifer B. Dunn, Biofuel Life Cycle Analysis Team Lead, Argonne National Laboratory

196

Agent-Based Modeling and Simulation for Hydrogen Transition Analysis  

Broader source: Energy.gov [DOE]

Presentation on Agent-Based Modeling and Simulation for Hydrogen Transition Analysis given by Marianne Mintz of ANL during the DOE Hydrogen Transition Analysis Workshop on January 26, 2006.

197

Integrated simulation environment for unmanned autonomous systems: towards a conceptual framework  

Science Journals Connector (OSTI)

The paper initiates a comprehensive conceptual framework for an integrated simulation environment for unmanned autonomous systems (UAS) that is capable of supporting the design, analysis, testing, and evaluation from a "system of systems" perspective. ...

M. G. Perhinschi; M. R. Napolitano; S. Tamayo

2010-01-01T23:59:59.000Z

198

GCFR steam generator conceptual design  

SciTech Connect (OSTI)

The gas-cooled fast reactor (GCFR) steam generators are large once-through heat exchangers with helically coiled tube bundles. In the GCFR demonstration plant, hot helium from the reactor core is passed through these units to produce superheated steam, which is used by the turbine generators to produce electrical power. The paper describes the conceptual design of the steam generator. The major components and functions of the design are addressed. The topics discussed are the configuration, operating conditions, design criteria, and the design verification and support programs.

Holm, R.A.; Elliott, J.P.

1980-01-01T23:59:59.000Z

199

CLEERS Aftertreatment Modeling and Analysis | Department of Energy  

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

More Documents & Publications The Effects of Hydrothermal Agingon a Commercial Cu SCR Catalyst CLEERS Aftertreatment Modeling and Analysis Deactivation Mechanisms of Base...

200

Formal Modelling and Analysis of the NORM Multicast Protocol  

E-Print Network [OSTI]

Formal Modelling and Analysis of the NORM Multicast Protocol Using Real-Time Maude Elisabeth Lien . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 iii #12;2.3.2 Search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

?lveczky, Peter Csaba

Note: This page contains sample records for the topic "analysis conceptual model" 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

TSPA Model Development and Sensitivity Analysis of Processes...  

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

of Processes Affecting Performance of a Salt Repository for Disposal of Heat-Generating Nuclear Waste TSPA Model Development and Sensitivity Analysis of Processes Affecting...

202

Technical Cost Modeling - Life Cycle Analysis Basis for Program...  

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

Cost Modeling - Life Cycle Analysis Basis for Program Focus 2012 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer...

203

Update 4 to: A Dispersion Modeling Analysis of Downwash from...  

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

and maximum loads will not cause or contribute to exceedances of the National Ambient Air Quality Standards (NAAQS). Update 4 to: A Dispersion Modeling Analysis of Downwash...

204

Technical Cost Modeling - Life Cycle Analysis Basis for Program...  

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

2010 -- Washington D.C. lm001das2010o.pdf More Documents & Publications Technical Cost Modeling - Life Cycle Analysis Basis for Program Focus Technical Cost Modeling - Life...

205

Modeling and Analysis of CSP Systems (Fact Sheet)  

SciTech Connect (OSTI)

Fact sheet describing NREL CSP Program capabilities in the area of modeling and analysis of CSP systems: assessing the solar resource, predicting performance and cost, studying environmental impact, and developing modeling software packages.

Not Available

2010-08-01T23:59:59.000Z

206

Modeling and Analysis of Hybrid Systems Reachability analysis for hybrid automata  

E-Print Network [OSTI]

and Analysis of Hybrid Systems 1 / 8 #12;General forward reachability computation Input: Set Init of initial(P) for a set P? Ábrahám - Modeling and Analysis of Hybrid Systems 3 / 8 #12;Reachability computation When. Ábrahám - Modeling and Analysis of Hybrid Systems 3 / 8 #12;Reachability computation When applied

Ábrahám, Erika

207

The conservation planning analysis model. Final report  

SciTech Connect (OSTI)

This paper contains the source code for a program on conservation planning analysis for residential, commercial and industrial customers.

Not Available

1993-12-31T23:59:59.000Z

208

Policy Analysis Modeling System (PAMS) | Open Energy Information  

Open Energy Info (EERE)

Policy Analysis Modeling System (PAMS) Policy Analysis Modeling System (PAMS) Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Policy Analysis Modeling System Agency/Company /Organization: Lawrence Berkeley National Laboratory Sector: Energy Focus Area: Buildings, Energy Efficiency Topics: Policies/deployment programs Resource Type: Software/modeling tools User Interface: Spreadsheet Website: clasponline.org/ResourcesTools/Tools/PolicyAnalysisModelingSystem Equivalent URI: cleanenergysolutions.org/content/policy-analysis-modeling-system-pams Regulations: "Appliance & Equipment Standards and Required Labeling,Net Metering & Interconnection" is not in the list of possible values (Agriculture Efficiency Requirements, Appliance & Equipment Standards and Required Labeling, Audit Requirements, Building Certification, Building Codes, Cost Recovery/Allocation, Emissions Mitigation Scheme, Emissions Standards, Enabling Legislation, Energy Standards, Feebates, Feed-in Tariffs, Fuel Efficiency Standards, Incandescent Phase-Out, Mandates/Targets, Net Metering & Interconnection, Resource Integration Planning, Safety Standards, Upgrade Requirements, Utility/Electricity Service Costs) for this property.

209

A Conceptual Framework for Progressing Towards Sustainability...  

Open Energy Info (EERE)

Progressing Towards Sustainability in the Agriculture and Food Sector Jump to: navigation, search Tool Summary LAUNCH TOOL Name: A Conceptual Framework for Progressing Towards...

210

MIT Emissions Prediction and Policy Analysis (EPPA) Model | Open Energy  

Open Energy Info (EERE)

MIT Emissions Prediction and Policy Analysis (EPPA) Model MIT Emissions Prediction and Policy Analysis (EPPA) Model Jump to: navigation, search LEDSGP green logo.png FIND MORE DIA TOOLS This tool is part of the Development Impacts Assessment (DIA) Toolkit from the LEDS Global Partnership. Tool Summary LAUNCH TOOL Name: MIT Emissions Prediction and Policy Analysis (EPPA) Model Agency/Company /Organization: Massachusetts Institute of Technology (MIT) Topics: Analysis Tools Complexity/Ease of Use: Not Available Website: dspace.mit.edu/handle/1721.1/29790 Cost: Free Related Tools IGES GHG Calculator For Solid Waste Energy and Power Evaluation Program (ENPEP) Regional Economic Models, Inc. (REMI) Model ... further results The part of the MIT Integrated Global Systems Model (IGSM) that represents human systems; a recursive-dynamic multi-regional general equilibrium model

211

University Timetabling through Conceptual Jonathan Lee,1,* Shang-Pin Ma,1,  

E-Print Network [OSTI]

University Timetabling through Conceptual Modeling Jonathan Lee,1,* Shang-Pin Ma,1, Lien Fu Lai,2 system. Expertise helps in reducing the search space and in fitting the solution to the context

Lee, Jonathan

212

Penetration models in Real Estate Market Analysis.  

E-Print Network [OSTI]

?? Although the concept of real estate market analysis are more widely used in real estate industry but penetration rate seem to be misunderstood by (more)

Kooakachai, Sunchai

2011-01-01T23:59:59.000Z

213

Conceptual Drawing CMRR Facility Past  

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

Volume 1 Volume 1 Chapters 1 through 10 Appendices A through D To submit questions regarding this CMRR-NF SEIS, or to request a copy, please contact: AVAILABILITY OF THE FINAL SUPPLEMENTAL ENVIRONMENTAL IMPACT STATEMENT FOR THE NUCLEAR FACILITY PORTION OF THE CHEMISTRY AND METALLURGY RESEARCH BUILDING REPLACEMENT PROJECT AT LOS ALAMOS NATIONAL LABORATORY, LOS ALAMOS, NEW MEXICO (CMRR-NF SEIS) Printed with soy ink on recycled paper John Tegtmeier, EIS Document Manager Los Alamos Site Office National Nuclear Security Administration U.S. Department of Energy 3747 West Jemez Road Los Alamos, NM 87544 Telephone: 505-665-0113 Conceptual Drawing CMRR Facility Past Present Future Past Final Supplemental Environmental Impact Statement for the

214

Partnership for Economic Policy Modeling and Policy Impact Analysis (MPIA)  

Open Energy Info (EERE)

Partnership for Economic Policy Modeling and Policy Impact Analysis (MPIA) Partnership for Economic Policy Modeling and Policy Impact Analysis (MPIA) Jump to: navigation, search LEDSGP green logo.png FIND MORE DIA TOOLS This tool is part of the Development Impacts Assessment (DIA) Toolkit from the LEDS Global Partnership. Tool Summary LAUNCH TOOL Name: Modeling and Policy Impact Analysis (MPIA) Model Agency/Company /Organization: Partnership for Economic Policy Sector: Climate, Energy Complexity/Ease of Use: Advanced Website: www.pep-net.org/programs/mpia/ Cost: Free Related Tools Asia-Pacific Integrated Model (AIM) SEAGA Intermediate Level Handbook Poverty Social Impact Analysis ... further results A computable general equilibrium model that accounts for the interactions among sectors and institutions, and their links with the global economy. A

215

Model Development and Loads Analysis of an Offshore Wind Turbine on a Tension Leg Platform with a Comparison to Other Floating Turbine Concepts: April 2009  

SciTech Connect (OSTI)

This report presents results of the analysis of a 5-MW wind turbine located on a floating offshore tension leg platform (TLP) that was conducted using the fully coupled time-domain aero-hydro-servo-elastic design code FAST with AeroDyn and HydroDyn. The report also provides a description of the development process of the TLP model. The model has been verified via comparisons to frequency-domain calculations. Important differences have been identified between the frequency-domain and time-domain simulations, and have generated implications for the conceptual design process. An extensive loads and stability analysis for ultimate and fatigue loads according to the procedure of the IEC 61400-3 offshore wind turbine design standard was performed with the verified TLP model. This report compares the loads for the wind turbine on the TLP to those of an equivalent land-based turbine. Major instabilities for the TLP are identified and described.

Matha, D.

2010-02-01T23:59:59.000Z

216

Bifurcation Analysis of Various Power System Models  

E-Print Network [OSTI]

generator and transmission system. Di erent modeling levels with their respective di erential-algebraic equa, the generation or system loading levels are used as bifurcation parameters, which are varied slowly, moving erent induction motor load models are considered. The loads were modeled as constant, linear

Cañizares, Claudio A.

217

Sensitivity Analysis of the Gap Heat Transfer Model in BISON.  

SciTech Connect (OSTI)

This report summarizes the result of a NEAMS project focused on sensitivity analysis of the heat transfer model in the gap between the fuel rod and the cladding used in the BISON fuel performance code of Idaho National Laboratory. Using the gap heat transfer models in BISON, the sensitivity of the modeling parameters and the associated responses is investigated. The study results in a quantitative assessment of the role of various parameters in the analysis of gap heat transfer in nuclear fuel.

Swiler, Laura Painton; Schmidt, Rodney C.; Williamson, Richard (INL); Perez, Danielle (INL)

2014-10-01T23:59:59.000Z

218

A conceptual model for particle systems animation  

E-Print Network [OSTI]

. 3. 2. 1 Generator Types 3. 2. 2 Relationship to Constraints . . . . . . 3. 3 Constraints 3. 3. 1 Constraint Types 3. 3. 2 Acceleration Constraints . . . . . . . . . . . . . . 3. 3. 3 Velocity, Display, Death, and Behavioral Constraints 3. 3. 4... AND APPLICATIONS 43 4. 1 Constraint Examples 4, 1. 1 Point Acceleration (Orbital Motion) 4. 1. 2 Line Acceleration 4. 1. 3 Bounce Acceleration. 44 44 45 45 CHAPTER Page 4. 1. 4 Vortex Acceleration . 4. 2 Generator Examples 4. 2. 1 Point Source...

Flaherty, Eric Wayne

1992-01-01T23:59:59.000Z

219

Singular Vector Analysis for Atmospheric Chemical Transport Models  

E-Print Network [OSTI]

are presented for a simulation of atmospheric pollution in East Asia in March 2001. The singular valuesSingular Vector Analysis for Atmospheric Chemical Transport Models Wenyuan Liao and Adrian Sandu for atmospheric chemical transport models. The distinguishing feature of these models is the presence of stiff

Sandu, Adrian

220

Nuclear Systems Modeling and Design Analysis - Nuclear Engineering Division  

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

Nuclear Systems Nuclear Systems Modeling and Design Analysis CAPABILITIES Overview Nuclear Systems Modeling and Design Analysis Nuclear Systems Technologies Risk and Safety Assessments Nonproliferation and National Security Materials Testing Engineering Computation & Design Engineering Experimentation Work with Argonne Contact us For Employees Site Map Help Join us on Facebook Follow us on Twitter NE on Flickr Celebrating the 70th Anniversary of Chicago Pile 1 (CP-1) Argonne OutLoud on Nuclear Energy Argonne Energy Showcase 2012 Capabilities Nuclear Systems Modeling and Design Analysis Bookmark and Share Reactor Physics and Fuel Cycle Analysis Reactor Physics and Fuel Cycle Analysis We have played a major role in the design and analysis of most existing and past reactor types and of many

Note: This page contains sample records for the topic "analysis conceptual model" 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

Modelling and Hazard Analysis for Contaminated Sediments Using Stamp Model  

E-Print Network [OSTI]

to characterise the risks associated with Novosol®, an innovative remediation process. Risk analysis is carried-Antipolis Cedex, France karim.hardy@mines-paristech.fr Processes for remediation (removal of pollution

Boyer, Edmond

222

DOE Hydrogen Analysis Repository: VISION Model  

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

VISION Model VISION Model Project Summary Full Title: VISION Model Project ID: 77 Principal Investigator: Margaret Singh Brief Description: Estimates the potential energy use, oil use and carbon emission impacts of advanced light- and heavy-duty highway vehicles and alternative fuels through 2050. Keywords: Alternative fueled vehicles (AFV); hybrid electric vehicles (HEV); fuel cell vehicles (FCV); emissions; greenhouse gases (GHG) Purpose The VISION model has been developed by US DOE to provide estimates of the potential energy use, oil use and carbon emission impacts to 2050 of advanced light- and heavy-duty highway vehicles and alternative fuels. It is an Excel spreadsheet model which is particularly useful in responding to quick-turnaround requests for such estimates. It is updated annually to be

223

Analysis Models and Tools: Systems Analysis of Hydrogen and Fuel Cells  

Broader source: Energy.gov [DOE]

The Fuel Cell Technologies Office's systems analysis program uses a consistent set of models and data for transparent analytical evaluations. The following fact sheets provide an overview and individual summaries of the models and tools used for systems analysis of hydrogen and fuel cells.

224

Dynamic Analysis and Modeling of Jansen Mechanism  

Science Journals Connector (OSTI)

Abstract Theo Jansen mechanism is gaining wide spread popularity among legged robotics researchers due to its scalable design, energy efficiency, low payload to machine load ratio, bio-inspired locomotion, deterministic foot trajectory among others. In this paper, we present dynamic analysis of a four legged Theo Jansen link mechanism using projection method that results in constraint force and equivalent Lagrange's equation of motion necessary for any meaningful extension and/or optimization of this niche mechanism. Numerical simulations using MaTX is presented in conjunction with the dynamic analysis. This research sets a theoretical basis for future investigation into Theo Jansen mechanism.

Shunsuke Nansai; Mohan Rajesh Elara; Masami Iwase

2013-01-01T23:59:59.000Z

225

Water Budget Analysis and Groundwater Inverse Modeling  

E-Print Network [OSTI]

the hydraulic conductivity field conditioned on the measurements of hydraulic conductivity and hydraulic head for saturated flow in randomly heterogeneous porous media. The groundwater modeling approach was found to be efficient in identifying the dominant...

Farid Marandi, Sayena

2012-07-16T23:59:59.000Z

226

Bifurcation Analysis of Zellner's Marshallian Macroeconomic Model  

E-Print Network [OSTI]

) model and later an autoregressive leading indicator world income (ARLI/WI) model for eighteen industrialized countries combined with the use of the Bayesian shrinkage technique (see Zellner (1997), Zellner and Min (1999) and Zellner and Palm (2004... (1999), several microeconomic and macroeconomic in uences on entry and exit are studied empirically with reference to the the case of the Finnish manufacturing industry. Panel data for three digit industries covering the six year period between 1988...

Banerjee, Sanjibani

2011-02-03T23:59:59.000Z

227

Modeling and Performance Analysis of Communication Networks  

E-Print Network [OSTI]

, Theory," John Wiley & Sons, January 1975. ISBN: 0-471-49110-1 #12;Reference Books: D. Bertsekas and R. The fundamental concepts such as conditional probabilities, random variables, probability density function (pdf. The underlying principles of computer systems analysis (which are based on queuing theory) will be studied

Xie,Jiang (Linda)

228

Software performance antipatterns: modeling and analysis  

Science Journals Connector (OSTI)

The problem of capturing performance problems is critical in the software design, mostly because the results of performance analysis (i.e. mean values, variances, and probability distributions) are difficult to be interpreted for providing feedback to ... Keywords: antipatterns, design alternatives, feedback generation, performance evaluation, software architecture

Vittorio Cortellessa; Antinisca Di Marco; Catia Trubiani

2012-06-01T23:59:59.000Z

229

Interactive modeling and analysis of intruder detection systems  

E-Print Network [OSTI]

INTERACTIVE MODELING AND ANALYSIS OF INTRUDER DETECTION SYSTEMS A Thesis by MICHAEL WILLIAM JONES Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree of MASTER... OF SCIENCE December 1991 Major Subject: Industrial Engineering INTERACTIVE MODELING AND ANALYSIS OF INTRUDER DETECTION SYSTEMS A Thesis by MICHAEL WILLIAM JONES Approved as to style and content by: Robert E . Shannon (Co ? Chair of Committee) Kav...

Jones, Michael William

1991-01-01T23:59:59.000Z

230

DOE Hydrogen Analysis Repository: Macro-System Model  

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

Macro-System Model Macro-System Model Project Summary Full Title: Macro-System Model (MSM) Project ID: 66 Principal Investigator: Mark Ruth Brief Description: Federated object model framework is used to link other models to perform rapid cross-cutting analysis. Keywords: Transition; well-to-wheels (WTW); renewable; hydrogen production; emissions; cost Purpose Perform rapid cross-cutting analysis by utilizing and linking other models. This work will also improve consistency between models. Analyses that require the MSM will be used to support decisions regarding programmatic investments and focus of funding and to estimate program outputs and outcomes. Performer Principal Investigator: Mark Ruth Organization: National Renewable Energy Laboratory (NREL) Address: 1617 Cole Blvd.

231

Analysis of multichannel patch clamp recordings by Hidden Markov Models  

E-Print Network [OSTI]

Analysis of multichannel patch clamp recordings by Hidden Markov Models Stefan Klein Jens Timmer Conventional methods of analysis do not allow the kinetics of patch clamped ion channels to be completely determined if more than one chan­ nel is present in the patch. This hinders investigations on small ion chan

Timmer, Jens

232

TSPA Model Development and Sensitivity Analysis of Processes Affecting  

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

TSPA Model Development and Sensitivity Analysis of Processes TSPA Model Development and Sensitivity Analysis of Processes Affecting Performance of a Salt Repository for Disposal of Heat-Generating Nuclear Waste TSPA Model Development and Sensitivity Analysis of Processes Affecting Performance of a Salt Repository for Disposal of Heat-Generating Nuclear Waste The document describes the initial work on designing and developing requirements for a total system performance assessment (TSPA) model that can support preliminary safety assessments for a mined geologic repository for high-level waste (HLW) and spent nuclear fuel (SNF) in salt host rock at a generic site. A preliminary generic salt TSPA model for HLW/SNF disposal has been developed and tested for an isothermal repository in salt, for emplaced waste that is assumed to have no decay heat; for salt

233

A framework for computer-aided conceptual design and its application to system architecting of mechatronics products  

Science Journals Connector (OSTI)

Conceptual design of modern products has become complex due to an increasing number of subsystems and components comprising the system and the multi-disciplinarity of the employed design knowledge. The paper proposes a product modeling framework and ... Keywords: Conceptual design, Multi-disciplinarity, System architecting, System decomposition

Hitoshi Komoto; Tetsuo Tomiyama

2012-10-01T23:59:59.000Z

234

Conceptual design. Final report: TFE Verification Program  

SciTech Connect (OSTI)

This report documents the TFE Conceptual Design, which provided the design guidance for the TFE Verification program. The primary goals of this design effort were: (1) establish the conceptual design of an in-core thermionic reactor for a 2 Mw(e) space nuclear power system with a 7-year operating lifetime; (2) demonstrate scalability of the above concept over the output power range of 500 kW(e) to 5 MW(e); and (3) define the TFE which is the basis for the 2 MW (e) reactor design. This TFE specification provided the basis for the test program. These primary goals were achieved. The technical approach taking in the conceptual design effort is discussed in Section 2, and the results are discussed in Section 3. The remainder of this introduction draws a perspective on the role that this conceptual design task played in the TFE Verification Program.

Not Available

1994-03-01T23:59:59.000Z

235

A knowledge model for analysis and simulation of regulatory networks  

Science Journals Connector (OSTI)

......Oxford University Press 2000 Ontology A knowledge model for analysis and simulation of...of a domain-specific ontology, or knowledge model. Results: We introduce an ontological...for the representation of biological knowledge related to regulatory networks in vertebrates......

Andrey Rzhetsky; Tomohiro Koike; Sergey Kalachikov; Shawn M. Gomez; Michael Krauthammer; Sabina H. Kaplan; Pauline Kra; James J. Russo; Carol Friedman

2000-12-01T23:59:59.000Z

236

Technology acceptance model for internet banking: an invariance analysis  

Science Journals Connector (OSTI)

The technology acceptance model (TAM) has been applied in different contexts to investigate a wide range of information technologies (IT), and a cumulative tradition has already been developed in this stream of research. Most TAM studies have been empirical ... Keywords: internet banking, invariance analysis, technology acceptance model

Vincent S. Lai; Honglei Li

2005-01-01T23:59:59.000Z

237

Project Information Form Project Title Modeling for Local Impact Analysis  

E-Print Network [OSTI]

Project Information Form Project Title Modeling for Local Impact Analysis University University Research and Educational Foundation- $48,683.00 Total Project Cost $48,683.00 Agency ID or Contract Number Project We will develop a traffic simulation model for the Los Angeles region that will allow us

California at Davis, University of

238

Matrix Modeling Methods for Spaceflight Campaign Logistics Analysis  

E-Print Network [OSTI]

Matrix Modeling Methods for Spaceflight Campaign Logistics Analysis Afreen Siddiqi and Olivier L-based modeling approach for analyzing spaceflight campaign logistics. A campaign is considered to be a series logistics properties. A logistics strategy index is proposed for quantifying manifesting strategies

de Weck, Olivier L.

239

Analysis and Model-Based Control of Servomechanisms With Friction  

E-Print Network [OSTI]

Analysis and Model-Based Control of Servomechanisms With Friction Evangelos G. Papadopoulos e Engineering, National Technical University of Athens, 15780 Athens, Greece Friction is responsible for several, model-based feedback compensation is studied for servomechanism tracking tasks. Several kinetic friction

Papadopoulos, Evangelos

240

Analysis and Modeling of Ground Operations at Hub Airports  

E-Print Network [OSTI]

constraint in the departure process at busy airports like Boston Logan International airport. For example1 Analysis and Modeling of Ground Operations at Hub Airports Kari Andersson1 , Francis Carr2 , Eric Feron3 and William D. Hall4 Abstract: Building simple and accurate models of hub airports can

Feron, Eric

Note: This page contains sample records for the topic "analysis conceptual model" 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

A comparative analysis of two PEM fuel cell modeling tools  

E-Print Network [OSTI]

A comparative analysis of two PEM fuel cell modeling tools M.L. Sarmiento-Carnevali*1 , S. Strahl1-electrolyte- membrane (PEM) fuel cells, Energy, 33(9): 1331-1352, 2008. [2] M. Mangold, A. Bück, and R. Hanke-Rauschenbach, Passivity based control of a distributed PEM fuel cell model, Journal of Process Control, 20(3): 292

Batlle, Carles

242

Bifurcation analysis of an epidemic model with nonlinear incidence  

Science Journals Connector (OSTI)

In this paper, we consider an epidemic model with the nonlinear incidence of a sigmoidal function. By mathematical analysis, it is shown that the model exhibits the bistability and undergoes the Hopf bifurcation and the Bogdanov-Takens bifurcation. By ... Keywords: Bistability, Homoclinic, Limit cycle, Sensitive, Sigmoidal

Guihua Li, Wendi Wang

2009-08-01T23:59:59.000Z

243

Phase Models in Gait Analysis Jeffrey E. Boyd  

E-Print Network [OSTI]

Phase Models in Gait Analysis Jeffrey E. Boyd Department of Computer Science University of Calgary Calgary AB T2N 1N4 boyd@cpsc.ucalgary.ca James J. Little Department of Computer Science University to as exemplar methods. In the model­free category Little and Boyd [16] describe a shape­of­motion system

Boyd, Jeffrey E.

244

Refining Landscape Change Models through Outlier Analysis in the  

E-Print Network [OSTI]

Refining Landscape Change Models through Outlier Analysis in the Muskegon Watershed of Michigan significantly to the state economy, accounting for nearly 20% of its economic output (Michigan Land Use, 1965; Lee, 1973; Wegener, 1994), and model refinement/advancement, in large part due to advances

Walker, Robert T.

245

Modelling, simulation and sensitivity analysis of steam-methane reformers  

Science Journals Connector (OSTI)

A mathematical model to calculate temperature, conversion and pressure profiles for static operations in steam-methane reformers was simulated. A rigorous kinetic model describing steam-methane reactions was compared to a first order one and an empirical heat distribution model was fitted to describe heat absorbed along the reactor length. A control interface was simulated to allow sensitivity analysis with different control schemes. The kinetic models were tested with data from industrial steam-gas reformers. Simulation results agreed with actual plant data for conversion, temperature and pressure. Nevertheless, the first order kinetic model gave unrealistic sensitivity results to pressure and steam-to-carbon ratio variations. The rigorous model could confidently be used for design analysis, control, and economic evaluation purposes.

I.M. Alatiqi; A.M. Meziou; G.A. Gasmelseed

1989-01-01T23:59:59.000Z

246

Modeling Tools for Solid Oxide Fuel Cell Analysis  

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

Tools for Solid Oxide Fuel Tools for Solid Oxide Fuel Cell Design and Analysis Moe A Khaleel BJ Koeppel, W Liu, K Lai, KP Recknagle, EM Ryan, EV Stephens, X Sun Pacific Northwest National Laboratory Richland, WA 99352 11 th Annual SECA Workshop Pittsburgh, PA July 27-29, 2009 1 PNNL SOFC Modeling Tools SOFC-MP Stack level model for fast analysis of co/counter-flow SOFC stack performance Detailed electrochemistry model Cell level model for the investigation of secondary reactions (degradation/contamination) mechanisms within the tri-layer Component-based design and performance modeling Contact material Interconnect Glass seal 2 SOFC-MP Stack Simulation Code Recent Accomplishments Major memory improvements of 3D model to accommodate 50-cell stacks on LINUX platform. Previously, developed a 2D (or stacked

247

DOE Hydrogen Analysis Repository: Policy Office Electricity Modeling System  

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

Policy Office Electricity Modeling System (POEMS) Policy Office Electricity Modeling System (POEMS) Project Summary Full Title: Policy Office Electricity Modeling System (POEMS) Project ID: 93 Principal Investigator: Lessly Goudarzi Purpose Designed and built by OnLocation specifically to address electricity industry restructuring issues Performer Principal Investigator: Lessly Goudarzi Organization: OnLocation, Inc. Address: Suite 300, 501 Church Street Vienna, VA 22180 Telephone: 703-938-5151 Email: goudarzi@onlocationinc.com Project Description Type of Project: Model Category: Energy Infrastructure Products/Deliverables Description: National Transmission Grid Study - Appendix A Publication Title: Policy Office Electricty Modeling System (POEMS) and Documentation for Transmission Analysis (PDF 461 KB) Download Adobe Reader.

248

Agent-Based Modeling and Simulation for Hydrogen Transition Analysis  

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

Agent Agent Agent - - Based Modeling Based Modeling and Simulation (ABMS) and Simulation (ABMS) for Hydrogen Transition for Hydrogen Transition Analysis Analysis Marianne Mintz Hydrogen Transition Analysis Workshop US Department of Energy January 26, 2006 Objectives and Scope for Phase 1 2 Analyze the hydrogen infrastructure development as a complex adaptive system using an agent-based modeling and simulation (ABMS) approach Develop an ABMS model to simulate the evolution of that system, spanning the entire H2 supply chain from production to consumption Identify key factors that either promote or inhibit the growth of H2 infrastructure Apply ABMS to get new insights into transition, particularly early transition phase - Dynamic interplay between supply and demand

249

Compartmentalization analysis using discrete fracture network models  

SciTech Connect (OSTI)

This paper illustrates how Discrete Fracture Network (DFN) technology can serve as a basis for the calculation of reservoir engineering parameters for the development of fractured reservoirs. It describes the development of quantitative techniques for defining the geometry and volume of structurally controlled compartments. These techniques are based on a combination of stochastic geometry, computational geometry, and graph theory. The parameters addressed are compartment size, matrix block size and tributary drainage volume. The concept of DFN models is explained and methodologies to compute these parameters are demonstrated.

La Pointe, P.R.; Eiben, T.; Dershowitz, W. [Golder Associates Inc., Redmond, WA (United States); Wadleigh, E. [Marathon Oil Company, Midland, TX (United States). Mid-Continent Region Production

1997-12-31T23:59:59.000Z

250

Compartmentalization analysis using discrete fracture network models  

SciTech Connect (OSTI)

This paper illustrates how Discrete Fracture Network (DFN) technology can serve as a basis for the calculation of reservoir engineering parameters for the development of fractured reservoirs. It describes the development of quantitative techniques for defining the geometry and volume of structurally controlled compartments. These techniques are based on a combination of stochastic geometry, computational geometry, and graph the theory. The parameters addressed are compartment size, matrix block size and tributary drainage volume. The concept of DFN models is explained and methodologies to compute these parameters are demonstrated.

La Pointe, P.R.; Eiben, T.; Dershowitz, W. [Golder Associates, Redmond, VA (United States); Wadleigh, E. [Marathon Oil Co., Midland, TX (United States)

1997-08-01T23:59:59.000Z

251

Bayesian models for DNA microarray data analysis  

E-Print Network [OSTI]

), cluster- ing using correlation (Chu et al.,1999) and self-organising maps (Tamayo et al.,1999), the time dependency of the gene expression data is not considered, although time is a possible main factor in the level of gene expression. Model... at the left by 0 Zi|beta,Yi = 0 proportional N(Xprimeibeta,1) truncated at the right by 0 The distribution of Z is a truncated normal and can be generated using Robert?s (Robert, 1995) optimal exponential accept-reject algorithm. After suitable burn-in period...

Lee, Kyeong Eun

2005-08-29T23:59:59.000Z

252

Risk-based methods applicable to ranking conceptual designs  

SciTech Connect (OSTI)

In Ginichi Taguchi`s latest book on quality engineering, an emphasis is placed on robust design processes in which quality engineering techniques are brought ``upstream,`` that is, they are utilized as early as possible, preferably in the conceptual design stage. This approach was used in a study of possible future safety system designs for weapons. As an experiment, a method was developed for using probabilistic risk analysis (PRA) techniques to rank conceptual designs for performance against a safety metric for ultimate incorporation into a Pugh matrix evaluation. This represents a high-level UW application of PRA methods to weapons. As with most conceptual designs, details of the implementation were not yet developed; many of the components had never been built, let alone tested. Therefore, our application of risk assessment methods was forced to be at such a high level that the entire evaluation could be performed on a spreadsheet. Nonetheless, the method produced numerical estimates of safety in a manner that was consistent, reproducible, and scrutable. The results enabled us to rank designs to identify areas where returns on research efforts would be the greatest. The numerical estimates were calibrated against what is achievable by current weapon safety systems. The use of expert judgement is inescapable, but these judgements are explicit and the method is easily implemented on an spreadsheet computer program.

Breeding, R.J.; Ortiz, K. [Sandia National Labs., Albuquerque, NM (United States); Ringland, J.T. [Sandia National Labs., Livermore, CA (United States); Lim, J.J. [Lim and Orzechowski Associates, Alamo, CA (United States)

1993-11-01T23:59:59.000Z

253

Systems Modeling | ornl.gov  

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

Computational Physics Communication Networks and Technologies Modeling and Simulation Innovative Signal Processing Algorithms Advanced Control Systems Econometrics Engineering Analysis Behavioral Sciences Geographic Information Science and Technology Quantum Information Science Supercomputing and Computation Home | Science & Discovery | Supercomputing and Computation | Research Areas | Systems Modeling SHARE Systems Modeling System modeling is the interdisciplinary study of the use of models to conceptualize and construct systems. A common type of systems modeling is function modeling, with specific techniques such as the functional flow block diagram. These models can be extended using functional decomposition, and can be linked to requirements models for further systems

254

The Impact of Science Notebook Writing on ELL and Low-SES Students' Science Language Development and Conceptual Understanding  

E-Print Network [OSTI]

and mixed between-within subjects analysis of variance (ANOVA). Scores for conceptual understanding (or, for brevity, concept) were used to compare students across categories (ELL, former ELL, non-ELL, and gender) in three domains using descriptive...

Huerta, Margarita

2013-04-05T23:59:59.000Z

255

NREL: Energy Analysis - Energy Forecasting and Modeling Staff  

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

Energy Forecasting and Modeling Energy Forecasting and Modeling The following includes summary bios of staff expertise and interests in analysis relating to energy economics, energy system planning, risk and uncertainty modeling, and energy infrastructure planning. Team Lead: Nate Blair Administrative Support: Geraly Amador Clayton Barrows Greg Brinkman Brian W Bush Stuart Cohen Carolyn Davidson Paul Denholm Victor Diakov Aron Dobos Easan Drury Kelly Eurek Janine Freeman Marissa Hummon Jennie Jorganson Jordan Macknick Trieu Mai David Mulcahy David Palchak Ben Sigrin Daniel Steinberg Patrick Sullivan Aaron Townsend Laura Vimmerstedt Andrew Weekley Owen Zinaman Photo of Clayton Barrows. Clayton Barrows Postdoctoral Researcher Areas of expertise Power system modeling Primary research interests Power and energy systems

256

A sensitivity investigation of mathematical models for thermal effluent analysis  

E-Print Network [OSTI]

OF SCIENCE May 1974 MaJor Subject: Nuclear Engineering A SENSITIVITY INVESTIGATION OF MATHEbSTICAL MODELS FOR THERhRL EFFLUENT ANALYSIS A Thesis by F rank Lopez, Jr. Approved as to style and content by: 0- 1rman 0 ommlt ee o- rman o ommx ee... Quality Board, originally proposed the basis for this work and coordinated the data collection, numerical analysis, and reporting procedures for this project. Dr. Robert &. Cochran, Head of the Department of Nuclear Engineering, was helpful...

Lopez, Frank

2012-06-07T23:59:59.000Z

257

On two-sample data analysis by exponential model  

E-Print Network [OSTI]

............... 49 5.1.Introduction......................... 49 5.2. Radon Cancer Data . . . . . . . . . . . . . . . . . . . . . 49 5.3. Explanatory Data Analysis . . . . . . . . . . . . . . . . . 51 5.4. Two-sample Data Analysis Using Exponential Model Approach... .......................... 51 5.5. Summary and Discussion: Radon Cancer Data . . . . . . 53 5.6. Simulation Results . . . . . . . . . . . . . . . . . . . . . 63 5.6.1. Case 1: Same Distributions, Same Locations, andSameScales................... 65 5.6.2. Case 2: Same Locations...

Choi, Sujung

2005-11-01T23:59:59.000Z

258

Modeling, Analysis, and Control of Demand Response Resources  

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

Modeling, Analysis, and Control of Demand Response Resources Modeling, Analysis, and Control of Demand Response Resources Speaker(s): Johanna Mathieu Date: April 27, 2012 - 12:00pm Location: 90-3122 Seminar Host/Point of Contact: Sila Kiliccote While the traditional goal of an electric power system has been to control supply to fulfill demand, the demand-side can play an active role in power systems via Demand Response (DR). Recent DR programs have focused on peak load reduction in commercial buildings and industrial facilities (C&I facilities). We present a regression-based baseline model, which allows us to quantify DR performance. We use this baseline model to understand the performance of C&I facilities participating in an automated dynamic pricing DR program in California. In this program, facilities are

259

Sensitivity analysis techniques for models of human behavior.  

SciTech Connect (OSTI)

Human and social modeling has emerged as an important research area at Sandia National Laboratories due to its potential to improve national defense-related decision-making in the presence of uncertainty. To learn about which sensitivity analysis techniques are most suitable for models of human behavior, different promising methods were applied to an example model, tested, and compared. The example model simulates cognitive, behavioral, and social processes and interactions, and involves substantial nonlinearity, uncertainty, and variability. Results showed that some sensitivity analysis methods create similar results, and can thus be considered redundant. However, other methods, such as global methods that consider interactions between inputs, can generate insight not gained from traditional methods.

Bier, Asmeret Brooke

2010-09-01T23:59:59.000Z

260

A technical analysis of model year 2011 US automobile efficiency  

Science Journals Connector (OSTI)

This paper investigates the new 2011 automobile fleet to quantify the variation in models efficiency and underlying technology attributes. This involves analysis of test data to quantify the aerodynamic, rolling resistance, and powertrain efficiency characteristics of each model, as well as analysis to understand relationships between these and vehicle fuel consumption. The findings indicate that while vehicles are about 14% efficient on average, there is wide variation and direct evidence of dramatically improved powertrain efficiency within existing models. Existing gasoline and diesel models demonstrate improved powertrain efficiency by over 25%, hybrid gasoline-electric powertrains by over 50%, fuel cells by a factor of three, and all-electric by a factor of four as compared to the average 2011 vehicle. Advanced aerodynamic and tire rolling resistance technologies are also in evidence.

Nicholas Lutsey

2012-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "analysis conceptual model" 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

Ukraine twenty years after independence: Concept models of the society  

Science Journals Connector (OSTI)

This paper attempts to create an overview of the Ukraine twenty years after independence by presenting prevailing conceptual narrative models of Ukraine employed by Ukrainian and foreign experts. Based on the analysis of 58 interviews of Ukrainian political and intellectual elites and foreign experts, the study revealed several categories of conceptual narrative models employed by respondents: (1) a state without a national idea and a common identity; (2) a country in an unfinished transition and degradation; (3) a divided society; and (4) Ukraine as a colony or wild capitalism. The analysis of these categories helps to assess conflict potential in Ukraine and discuss some ideas for conflict prevention and resolution.

Karina V. Korostelina

2013-01-01T23:59:59.000Z

262

Characterization of groundwater flow and transport in the General Separations Areas, Savannah River Plant: Flow model refinement and particle-tracking analysis report  

SciTech Connect (OSTI)

The Department of Energy (DOE) is preparing the necessary NEPA documentation for an Environmental Impact Statement (EIS) to address the waste disposal activities for groundwater protection at the Savannah River Plant (SRP). For purposes of this EIA, the areas within the plant have been separated into 26 functional groups based primarily on hydrogeologic setting and types of disposed waste materials. The overall objective is to provide an appropriate quantitative assessment of the environmental impacts from past and future operations within each functional group. The analysis from each functional group will be integrated to assess the impacts of plant-wide operations. A flexible approach to quantifying the impacts using several methods of quantitative analysis is being employed. Numerical flow and transport modeling is one method being applied to several functional groups. The scope of work can be divided into four broad categories: (1) Data Review and Conceptual Model Development, (2) Groundwater Flow Model Construction and Refinement, (3) Solute Transport Model Construction, and (4) Remedial Alternative Simulations. The major topics covered in this report are: (1) summary of the hydrogeologic conditions of the area, (2) observed flow velocities at the study site, (3) a summary of results from the preliminary flow modeling effort, (4) flow model refinement and results, and (5) particle tracking analyses based on the refined flow model.

Duffield, G.M.; Buss, D.R.; Root, R.W. Jr.; Hughes, S.S.; Mercer, J.W. [GeoTrans, Inc., Sterling, VA (United States)

1986-03-01T23:59:59.000Z

263

Analysis and Geochemical Modeling of Vanadium Contamination in Groundwater New Rifle Processing Site, Colorado  

Broader source: Energy.gov [DOE]

Analysis and Geochemical Modeling of Vanadium Contamination in Groundwater New Rifle Processing Site, Colorado

264

TransNIEMO: ECONOMIC IMPACT ANALYSIS USING A MODEL  

E-Print Network [OSTI]

TransNIEMO: ECONOMIC IMPACT ANALYSIS USING A MODEL OF CONSISTENT INTERREGIONAL ECONOMIC AND HIGHWAY of Industrial and Systems Engineering; and the School of Policy Planning and Development Qisheng Pan, Associate of Industrial and Systems Engineering JoongKoo Cho Epstein Department of Industrial and Systems Engineering

Wang, Hai

265

Waste-To-Energy Feasibility Analysis: A Simulation Model  

E-Print Network [OSTI]

Waste- To- Energy Feasibility Analysis: A Simulation Model Viet- An Duong College of Engineering://www.funginstitute.berkeley.edu/sites/default/ les/WasteToEnergy.pdf May 1, 2014 130 Blum Hall #5580 Berkeley, CA 94720-5580 | (510) 664-4337 | www of the main battles of our generation. Using waste to produce electricity can be a major source of energy

Sekhon, Jasjeet S.

266

Stochastic Models and Analysis for Resource Management in Server Farms  

E-Print Network [OSTI]

farms. State-of-the-art servers come with multiple knobs to control energy consumption, but traditionalStochastic Models and Analysis for Resource Management in Server Farms Varun Gupta CMU-CS-11, Multi-server systems, Load balancing, Scheduling, M/G/k, Time-varying load, Energy management

267

Grounding Analysis in Heterogeneous Soil Models: Application to Underground Substations  

E-Print Network [OSTI]

Grounding Analysis in Heterogeneous Soil Models: Application to Underground Substations Ignasi category includes all step- up and step-down transmission substations, as well as a number of distribution substations indeed. Nevertheless, the current trend in electric power Engineering moves in another direction

Colominas, Ignasi

268

Model-Based Dependability Analysis of Programmable Drug Infusion Pumps  

E-Print Network [OSTI]

Model-Based Dependability Analysis of Programmable Drug Infusion Pumps Sriram Sankaranarayanan.lastname@colorado.edu Abstract. Infusion pumps are commonly used in home/hospital care to inject drugs into a patient a case-study involving an infusion pump used to manage pain through the infusion of analgesic drugs

Sankaranarayanan, Sriram

269

A Denotational Model for Component-Based Risk Analysis  

E-Print Network [OSTI]

matches the value of the assets to be protected. A certain level of risk may be acceptable if the riskA Denotational Model for Component-Based Risk Analysis Gyrd Brændeland1,2, , Atle Refsdal2 , and Ketil Stølen1,2 1 Department of Informatics, University of Oslo, Norway 2 SINTEF, Norway Abstract. Risk

Stølen, Ketil

270

Formal Modeling and Analysis of the HLA Component Integration Standard  

E-Print Network [OSTI]

of domain-speci c integration standards in areas as diverse as programming environments, robotics control 20Formal Modeling and Analysis of the HLA Component Integration Standard Robert J. Allen IBM, Dept An increasingly important trend in the engineering of com- plex systems is the design of component integration

van der Hoek, André

271

Index Interactions in Physical Design Tuning: Modeling, Analysis, and Applications  

E-Print Network [OSTI]

a complete pic- ture. Basically, they ignore the key issue of index interaction, which is crucialIndex Interactions in Physical Design Tuning: Modeling, Analysis, and Applications Karl Schnaitter. We formalize the notion of index interactions and develop a novel algorithm to iden- tify

Polyzotis, Neoklis (Alkis)

272

Stochastic Modeling and Analysis of Plant Microtubule System Characteristics  

E-Print Network [OSTI]

problem. Overall, we build a comprehensive framework for analysis and control of microtubule organization in plant cells using a wide range of models and methodologies in conjunction. This research also has broader impacts related to the fields of bio-energy...

Eren, Ezgi

2012-07-16T23:59:59.000Z

273

Application of Bayesian Hierarchical Models in Genetic Data Analysis  

E-Print Network [OSTI]

such as serial analysis of gene expression and RNA sequencing experiment, which generate counts of mRNA transcripts in cell samples. We propose a generalized linear model to fit the discrete gene expression data and assume that the log ratios of the mean...

Zhang, Lin

2012-08-15T23:59:59.000Z

274

EAC Recommendations Regarding Emerging and Alternative Regulatory Models and Modeling Tools to Assist in Analysis (September 2014)  

Broader source: Energy.gov [DOE]

EAC recommendations from the September 2014 meeting regarding Emerging and Alternative Regulatory Models and Modeling Tools to Assist in Analysis (September 2014)

275

Renewable Energy and Efficiency Modeling Analysis Partnership (REMAP): An Analysis of How Different Energy Models Addressed a Common High Renewable Energy Penetration Scenario in 2025  

SciTech Connect (OSTI)

Energy system modeling can be intentionally or unintentionally misused by decision-makers. This report describes how both can be minimized through careful use of models and thorough understanding of their underlying approaches and assumptions. The analysis summarized here assesses the impact that model and data choices have on forecasting energy systems by comparing seven different electric-sector models. This analysis was coordinated by the Renewable Energy and Efficiency Modeling Analysis Partnership (REMAP), a collaboration among governmental, academic, and nongovernmental participants.

Blair, N.; Jenkin, T.; Milford, J.; Short, W.; Sullivan, P.; Evans, D.; Lieberman, E.; Goldstein, G.; Wright, E.; Jayaraman, K. R.; Venkatesh, B.; Kleiman, G.; Namovicz, C.; Smith, B.; Palmer, K.; Wiser, R.; Wood, F.

2009-09-01T23:59:59.000Z

276

Spatial Data Types: Conceptual Foundation for  

E-Print Network [OSTI]

Spatial Data Types: Conceptual Foundation for the Design and Implementation of Spatial Database markus.schneider@fernuni-hagen.de #12;Markus Schneider, Tutorial "Spatial Data Types" 2 Abstract Spatial are usually called spatial data types, such as point, line, and region but also include more complex types

Güting, Ralf Hartmut

277

GMACS Conceptual Design September 14, 2011  

E-Print Network [OSTI]

Control System DES: Dark Energy Survey DM: Dark Matter ELT: Extremely Large Telescope E-ELT: European Device CDM: Cold Dark Matter CGM: Circumgalactic Medium CoDR: Conceptual Design Review DCS: Detector: Kuiper Belt Object HST: Hubble Space Telescope LBG: Lyman break galaxy LSST: Large Synoptic Survey

278

The Anthropocene: conceptual and historical perspectives  

Science Journals Connector (OSTI)

...explosion and rapid economic growth. In the interwar...continues to increase its power to manipulate the...of fossil fuels-coal-arose during the...English combustion of coal had no appreciable...recent model-based analysis claims that these...beginnings of a new economic order that emphasized...

2011-01-01T23:59:59.000Z

279

INTEGRATION OF FACILITY MODELING CAPABILITIES FOR NUCLEAR NONPROLIFERATION ANALYSIS  

SciTech Connect (OSTI)

Developing automated methods for data collection and analysis that can facilitate nuclear nonproliferation assessment is an important research area with significant consequences for the effective global deployment of nuclear energy. Facility modeling that can integrate and interpret observations collected from monitored facilities in order to ascertain their functional details will be a critical element of these methods. Although improvements are continually sought, existing facility modeling tools can characterize all aspects of reactor operations and the majority of nuclear fuel cycle processing steps, and include algorithms for data processing and interpretation. Assessing nonproliferation status is challenging because observations can come from many sources, including local and remote sensors that monitor facility operations, as well as open sources that provide specific business information about the monitored facilities, and can be of many different types. Although many current facility models are capable of analyzing large amounts of information, they have not been integrated in an analyst-friendly manner. This paper addresses some of these facility modeling capabilities and illustrates how they could be integrated and utilized for nonproliferation analysis. The inverse problem of inferring facility conditions based on collected observations is described, along with a proposed architecture and computer framework for utilizing facility modeling tools. After considering a representative sampling of key facility modeling capabilities, the proposed integration framework is illustrated with several examples.

Gorensek, M.; Hamm, L.; Garcia, H.; Burr, T.; Coles, G.; Edmunds, T.; Garrett, A.; Krebs, J.; Kress, R.; Lamberti, V.; Schoenwald, D.; Tzanos, C.; Ward, R.

2011-07-18T23:59:59.000Z

280

Peer Review of NRC Standardized Plant Analysis Risk Models  

SciTech Connect (OSTI)

The Nuclear Regulatory Commission (NRC) Standardized Plant Analysis Risk (SPAR) Models underwent a Peer Review using ASME PRA standard (Addendum C) as endorsed by NRC in Regulatory Guide (RG) 1.200. The review was performed by a mix of industry probabilistic risk analysis (PRA) experts and NRC PRA experts. Representative SPAR models, one PWR and one BWR, were reviewed against Capability Category I of the ASME PRA standard. Capability Category I was selected as the basis for review due to the specific uses/applications of the SPAR models. The BWR SPAR model was reviewed against 331 ASME PRA Standard Supporting Requirements; however, based on the Capability Category I level of review and the absence of internal flooding and containment performance (LERF) logic only 216 requirements were determined to be applicable. Based on the review, the BWR SPAR model met 139 of the 216 supporting requirements. The review also generated 200 findings or suggestions. Of these 200 findings and suggestions 142 were findings and 58 were suggestions. The PWR SPAR model was also evaluated against the same 331 ASME PRA Standard Supporting Requirements. Of these requirements only 215 were deemed appropriate for the review (for the same reason as noted for the BWR). The PWR review determined that 125 of the 215 supporting requirements met Capability Category I or greater. The review identified 101 findings or suggestions (76 findings and 25 suggestions). These findings or suggestions were developed to identify areas where SPAR models could be enhanced. A process to prioritize and incorporate the findings/suggestions supporting requirements into the SPAR models is being developed. The prioritization process focuses on those findings that will enhance the accuracy, completeness and usability of the SPAR models.

Anthony Koonce; James Knudsen; Robert Buell

2011-03-01T23:59:59.000Z

Note: This page contains sample records for the topic "analysis conceptual model" 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

Radiolysis Model Sensitivity Analysis for a Used Fuel Storage Canister  

SciTech Connect (OSTI)

This report fulfills the M3 milestone (M3FT-13PN0810027) to report on a radiolysis computer model analysis that estimates the generation of radiolytic products for a storage canister. The analysis considers radiolysis outside storage canister walls and within the canister fill gas over a possible 300-year lifetime. Previous work relied on estimates based directly on a water radiolysis G-value. This work also includes that effect with the addition of coupled kinetics for 111 reactions for 40 gas species to account for radiolytic-induced chemistry, which includes water recombination and reactions with air.

Wittman, Richard S.

2013-09-20T23:59:59.000Z

282

THEORETICAL REVIEW Knowledge is power: How conceptual knowledge transforms  

E-Print Network [OSTI]

THEORETICAL REVIEW Knowledge is power: How conceptual knowledge transforms visual cognition Jessica the existing literature demonstrating the dynamic interplay between conceptual knowledge and visual perceptual showing that category knowledge can penetrate early stages of visual anal- ysis. We next discuss

Olson, Ingrid

283

Development of Conceptual Framework Renewable Energy Certificate Mechanism for India  

E-Print Network [OSTI]

Advisory Private Limited June 2009 (Final Report for circulation) #12;Report on `Conceptual Framework of ABPS Infrastructure Advisory Private Limited. #12;Report on `Conceptual Framework for REC Mechanism Electricity Authority CERC Central Electricity Regulatory Commission CUF Capacity Utilisation Factor DERC

Columbia University

284

Conceptual design assessment for the co-firing of bio-refinery supplied lignin project. Quarterly report, June 23--July 1, 2000  

SciTech Connect (OSTI)

The Conceptual Design Assessment for the Co-Firing of Bio-Refinery Supplied Lignin Project was successfully kicked off on July 23, 2000 during a meeting at the TVA-PPI facility in Muscle Shoals, AL. An initial timeline for the study was distributed, issues of concern were identified and a priority actions list was developed. Next steps include meeting with NETL to discuss de-watering and lignin fuel testing, the development of the mass balance model and ethanol facility design criteria, providing TVA-Colbert with preliminary lignin fuel analysis and the procurement of representative feed materials for the pilot and bench scale testing of the hydrolysis process.

Berglund, T.; Ranney, J.T.; Babb, C.L.

2000-07-27T23:59:59.000Z

285

Relativistic Diffusion Model and Analysis of Large Transverse Momentum Distributions  

SciTech Connect (OSTI)

In order to describe large transverse momentum (pT) distributions observed in high energy nucleus-nucleus collisions, a stochastic model in the three dimensional rapidity space is introduced. The fundamental solution of the radial symmetric diffusion equation is Gaussian-like in radial rapidity. We can also derive a pT or radial rapidity distribution function, where a distribution of emission center is taken into account. The solution is applied to the analysis of observed large p T distributions of charged particles. It is shown that our model approaches to a power function of p T in the high transverse momentum limit.

Suzuki, Naomichi [Department of Comprehensive Management, Matsumoto University, Matsumoto 390-1295 (Japan); Biyajima, Minoru [Department of Physics, Shinshu University, Matsumoto, 390-8621 (Japan)

2006-04-11T23:59:59.000Z

286

Relativistic diffusion model and analysis of large transverse momentum distributions  

E-Print Network [OSTI]

In order to describe large transverse momentum ($p_T$) distributions observed in high energy nucleus-nucleus collisions, a stochastic model in the three dimensional rapidity space is introduced. The fundamental solution of the radial symmetric diffusion equation is Gaussian-like in radial rapidity. We can also derive a $p_T$ or radial rapidity distribution function, where a distribution of emission center is taken into account. It is applied to the analysis of observed large $p_T$ distributions of charged particles. It is shown that our model approaches to a power function of $p_T$ in the high transverse momentum limit.

Naomichi Suzuki; Minoru Biyajima

2005-10-01T23:59:59.000Z

287

Analysis of the Independent Particle Model approach to Nuclear Densities  

E-Print Network [OSTI]

We present an analysis of the use of the Darwin-Fowler approximation in connection with the statistical IPM, by comparing the results of our recent studies with the occupation number approach (OCN) and some traditional statistical independent particle model (IPM) approaches. The analysis of level density works based on the statistical IPM reveals that the use of the the Darwin-Fowler approximation, in some of them, is theoretically inconsistent and some of their results should rather be considered as theoretical coincidences with other consistent approaches, than proofs of their validity. We conclude that, in general, the use of the Darwin-Fowler approximation with the statistical IPM should be used criteriously or, if possible, avoided altogether and suggest that the combinatorial IPM approaches have important advantages over the other models and formalisms analyzed in this paper, especially regarding the consistency of the microscopic description of the nuclear structure and dynamics of non highly excited systems.

F. B. Guimaraes

2012-08-31T23:59:59.000Z

288

Development of a framework for truss-braced wing conceptual MDO  

Science Journals Connector (OSTI)

The paper describes the development of a multidisciplinary design optimization framework for conceptual design of truss-braced wing configurations. This unconventional configuration requires specialized analysis tools supported by a modular and flexible ... Keywords: Design environment, Framework, MDO, Truss-Braced Wing

Ohad Gur; Manav Bhatia; William H. Mason; Joseph A. Schetz; Rakesh K. Kapania; Taewoo Nam

2011-08-01T23:59:59.000Z

289

Hanbury-Brown--Twiss analysis in a solvable model  

SciTech Connect (OSTI)

The analysis of meson correlations by Hanbury-Brown--Twiss interferometry is tested with a simple model of meson production by resonance decay. We derive conditions which should be satisfied in order to relate the measured momentum correlation to the classical source size. The Bose correlation effects are apparent in both the ratio of meson pairs to singles and in the ratio of like to unlike pairs. With our parameter values, we find that the single particle distribution is too distorted by the correlation to allow a straightforward analysis using pair correlation normalized by the singles rates. An analysis comparing symmetrized to unsymmetrized pairs is more robust, but nonclassical off-shell effects are important at realistic temperatures.

Bertsch, G.F.; Danielewicz, P.; Herrmann, M. (Institute for Nuclear Theory, HN-12, University of Washington, Seattle, Washington 98195 (United States) Physics Department, FM-15, University of Washington, Seattle, Washington 98195 (United States) Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824 (United States))

1994-01-01T23:59:59.000Z

290

NREL's System Advisor Model Simplifies Complex Energy Analysis (Fact Sheet)  

SciTech Connect (OSTI)

NREL has developed a tool -- the System Advisor Model (SAM) -- that can help decision makers analyze cost, performance, and financing of any size grid-connected solar, wind, or geothermal power project. Manufacturers, engineering and consulting firms, research and development firms, utilities, developers, venture capital firms, and international organizations use SAM for end-to-end analysis that helps determine whether and how to make investments in renewable energy projects.

Not Available

2015-01-01T23:59:59.000Z

291

Computer-Aided Modeling Framework for Efficient Model Development, Analysis, and Identification: Combustion and Reactor Modeling  

Science Journals Connector (OSTI)

A representative of the systems modeling languages is Modelica,(8) a standardized modeling language based on object-oriented concepts. ... Modelica Association. ... Modelica - A Unified Object-Oriented Language for Physical Systems Models. ...

Martina Heitzig; Grkan Sin; Mauricio Sales-Cruz; Peter Glarborg; Rafiqul Gani

2010-10-22T23:59:59.000Z

292

E-Print Network 3.0 - analysis physical models Sample Search...  

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

theory, regression analysis, ARAM modelling (6... and Richard E. Thomson - Data Analysis ... Source: deYoung, Brad - Department of Physics and Physical Oceanography,...

293

Linkage analysis with an alternative formulation for the mixed model of inheritance: The finite polygenic mixed model  

SciTech Connect (OSTI)

This paper presents an extension of the finite polygenic mixed model of Fernando et al. to linkage analysis. The finite polygenic mixed model, extended for linkage analysis, leads to a likelihood that can be calculated using efficient algorithms developed for oligogenic models. For comparison, linkage analysis of 5 simulated 4021-member pedigrees was performed using the usual mixed model of inheritance, approximated by Hasstedt, and the finite polygenic mixed model extended for linkage analysis presented here. Maximum likelihood estimates of the finite polygenic mixed model could be inferred to be closer to the simulated values in these pedigrees. 31 refs., 2 tabs.

Stricker, C. [Swiss Federal Institute of Technology, Zuerich (Switzerland); Fernando, R.L. [Louisiana State Univ., New Orleans, LA (United States); Elston, R.C. [Univ. of Illinois, Urbana, IL (United States)

1995-12-01T23:59:59.000Z

294

Performance and Fabrication Status of TREAT LEU Conversion Conceptual Design Concepts  

SciTech Connect (OSTI)

Resumption of transient testing at the TREAT facility was approved in February 2014 to meet U.S. Department of Energy (DOE) objectives. The National Nuclear Security Administrations Global Threat Reduction Initiative Convert Program is evaluating conversion of TREAT from its existing highly enriched uranium (HEU) core to a new core containing low enriched uranium (LEU). This paper describes briefly the initial pre-conceptual designs screening decisions with more detailed discussions on current feasibility, qualification and fabrication approaches. Feasible fabrication will be shown for a LEU fuel element assembly that can meet TREAT design, performance, and safety requirements. The statement of feasibility recognizes that further development, analysis, and testing must be completed to refine the conceptual design. Engineering challenges such as cladding oxidation, high temperature material properties, and fuel block fabrication along with neutronics performance, will be highlighted. Preliminary engineering and supply chain evaluation provided confidence that the conceptual designs can be achieved.

IJ van Rooyen; SR Morrell; AE Wright; E. P Luther; K Jamison; AL Crawford; HT III Hartman

2014-10-01T23:59:59.000Z

295

Integrating GIS and FEATHERS: A Conceptual Design  

Science Journals Connector (OSTI)

Abstract This study proposes integrating GIS and FEATHERS in order to improve the capability of data management, spatial analysis and visualization in the model framework. GIS provides geodatabase for effectively storing and edit (non-)spatial data, useful functions of spatial analysis for defining spatial interactions between phenomena simulated by the modeling system, and interactive visualization tools. Thus, this study mainly focuses on three topics: i) why FEATHERS needs a GIS module, ii) how the GIS module is designed, and iii) what functions can be supported by the GIS module in the FEATHERS system. Moreover, we overview some transportation software adopting GIS to catch up a general trend in GIS and transportation and also suggest data schema for creating geodatabase and a source code for making map layers and map tools in python. At the end, we conclude this paper with summary and plan for the future work.

Sungjin Cho; Tom Bellemans; Davy Janssens; Geert Wets

2014-01-01T23:59:59.000Z

296

KJRR-FAI Status Report of Conceptual Design Activities  

SciTech Connect (OSTI)

The Korea Atomic Energy Research Institute has initiated the Ki-Jang Research Reactor (KJRR) project to construct a new dedicated radio-isotope production facility in the KiJang province of South Korea. The KJRR will employ a uranium-molybdenum dispersion plate-type fuel clad in aluminum. The KJRR fuel assembly design will undergo irradiation in the Advanced Test Reactor (ATR) as part of the regulatory qualification of the fuel. The Idaho National Laboratory performed a multi-disciplined conceptual design effort and found that one full-size KJRR fuel assembly can be irradiated in the ATRs north east flux trap. The analyses accomplished during the conceptual design phase are sufficient to prove viability of the overall design and irradiation campaign. Requirements for fission power can be met. The desired burnup can be achieved well within 15% depending on reactor operating availability. Mechanical design and structural analysis show that structural integrity of the irradiation test is maintained. It is recommended that future detailed design efforts be based on the concept described in this report.

N.E. Woolstenhulme; B.P. Nielson; D.B. Chapman; J.W. Nielsen; P.E. Murray; D.S. Crawford; S.D. Snow

2013-12-01T23:59:59.000Z

297

Conceptual Design of the Chornobyl New Safe Confinement - an Overview  

SciTech Connect (OSTI)

The Object Shelter, constructed over the Chornobyl nuclear power plant that was destroyed by a 1986 accident, is at risk of collapse. The Consortium of Bechtel, Electricit De France, and Battelle, in cooperation with subcontractor ???, recently completed the conceptual design for a New Safe Confinement (NSC) building to reduce Shelter corrosion, to mitigate the consequences of potential collapse, and to enable the safe deconstruction of unstable structures. The arch-shaped NSC will be constructed at a distance from the Shelter to minimize radiation exposure to construction workers, and then slid into place over the Shelter. After sliding, cranes and other tools inside the NSC will be remotely operated for deconstruction of the Shelter. The NSC is designed for a 100-year life. Bechtel designed the arch structure and was responsible for project management functions. Electricit De France designed the foundations and designed deconstruction of the Object Shelter unstable elements. Battelle performed safety analyses and environmental impact assessment. ??? (a consortium of ?I?? [KIEP], ??I?? [NIISK], and ???? [ISTC]), as a working partner in all aspects of the design and analysis processes, was the Ukrainian licensed engineer for conceptual design. The design is currently being reviewed by Ukrainian regulatory authorities. An open international tender for detailed design and construction is anticipated to be announced by the European Bank for Reconstruction and Development in December, 2003, with two-stage bid evaluation beginning in April, 2004.

Kulishenko, Valery N.; Hogg, Charles; Schmieman, Eric A.; Wrona, Matthew W.; Convert, Philippe; Nemchinov, Yuriy I.; Shenderovich, Victor; Shcherbin, Vladimir; Belicard, Pascal; Durst, Bruce M.

2006-05-01T23:59:59.000Z

298

Unsupervised neural models for country and political risk analysis  

Science Journals Connector (OSTI)

This interdisciplinary research project focuses on relevant applications of Knowledge Discovery and Artificial Neural Networks in order to identify and analyze levels of country, business and political risk. Its main goal is to help business decision-makers understand the dynamics within the emerging market countries in which they operate. Most of the neural models applied in this study are defined within the framework of unsupervised learning. They are based on Exploratory Projection Pursuit, Topology Preserving Maps and Curvilinear Component Analysis. Two interesting real data sets are analyzed to empirically probe the robustness of these models. The first case study describes information from a significant sample of Spanish multinational enterprises (MNEs). It analyses data pertaining to such aspects as decisions over the location of subsidiary enterprises in various regions across the world, the importance accorded to such decisions and the driving forces behind them. Through a projection-based analysis, this study reveals a range of different reasons underlying the internationalization strategies of Spanish \\{MNEs\\} and the different goals they pursue. It may be concluded that projection connectionist techniques are of immense assistance in the process of identifying the internationalization strategies of Spanish MNEs, their underlying motives and the goals they pursue. The second case study covers several risk categories that include task policy, security, and political stability among others, and it tracks the scores of different countries all over the world. Interesting conclusions are drawn from the application of several business intelligence solutions based on neural projection models, which support data analysis in the context of country and political risk analysis.

lvaro Herrero; Emilio Corchado; Alfredo Jimnez

2011-01-01T23:59:59.000Z

299

Conceptual design for PSP mounting bracket  

SciTech Connect (OSTI)

Protective structural packages (PSP`s or overpacks) used to ship 2 1/2-ton UF{sub 6} product cylinders are bolted to truck trailers. All bolts penetrate two longitudinal rows of wooden planks. Removal and replacement is required at various intervals for maintenance and routine testing. A conceptual design is presented for mounting brackets which would securely attach PSP`s to trailer frames, reduce removal and replacement time, and minimize risk of personnel injury.

Ransom, G.; Stein, R. [Martin Marietta Energy Systems, Inc., Piketon, OH (United States)

1991-12-31T23:59:59.000Z

300

Application of Hazard Analysis to Quality Modelling H. Zhu, at al. 05/02/02 Application of Hazard Analysis to Software Quality Modelling  

E-Print Network [OSTI]

applications, software engineers are seeking for quality models that can provide useful insight informationApplication of Hazard Analysis to Quality Modelling H. Zhu, at al. 05/02/02 Application of Hazard Analysis to Software Quality Modelling Hong Zhu, Yanlong Zhang, Qingning Huo and Sue Greenwood Dept

Zhu, Hong

Note: This page contains sample records for the topic "analysis conceptual model" 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

The Run 2 ATLAS Analysis Event Data Model  

E-Print Network [OSTI]

During the LHC's first Long Shutdown (LS1) ATLAS set out to establish a new analysis model, based on the experience gained during Run 1. A key component of this is a new Event Data Model (EDM), called the xAOD. This format, which is now in production, provides the following features: A separation of the EDM into interface classes that the user code directly interacts with, and data storage classes that hold the payload data. The user sees an Array of Structs (AoS) interface, while the data is stored in a Struct of Arrays (SoA) format in memory, thus making it possible to efficiently auto-vectorise reconstruction code. A simple way of augmenting and reducing the information saved for different data objects. This makes it possible to easily decorate objects with new properties during data analysis, and to remove properties that the analysis does not need. A persistent file format that can be explored directly with ROOT, either with or without loading any additional libraries. This allows fast interactive naviga...

SNYDER, S; The ATLAS collaboration; NOWAK, M; EIFERT, T; BUCKLEY, A; ELSING, M; GILLBERG, D; MOYSE, E; KOENEKE, K; KRASZNAHORKAY, A

2014-01-01T23:59:59.000Z

302

System Modeling, Analysis, and Optimization Methodology for Diesel Exhaust After-treatment Technologies  

E-Print Network [OSTI]

System Modeling, Analysis, and Optimization Methodology for Diesel Exhaust After;System Modeling, Analysis, and Optimization Methodology for Diesel Exhaust After-treatment Technologies, analyzing, and optimizing of complex diesel exhaust after-treatment systems. The methodology presented

de Weck, Olivier L.

303

E-Print Network 3.0 - advanced test-analysis model Sample Search...  

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

test-analysis model Search Powered by Explorit Topic List Advanced Search Sample search results for: advanced test-analysis model Page: << < 1 2 3 4 5 > >> 1 Advanced Vehicle...

304

Fuel-Cycle Energy and Emissions Analysis with the GREET Model...  

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

Fuel-Cycle Energy and Emissions Analysis with the GREET Model Fuel-Cycle Energy and Emissions Analysis with the GREET Model 2009 DOE Hydrogen Program and Vehicle Technologies...

305

Book Chapters: 1. "Conceptual Development of Mental Health Ontologies", Jitender S. Deogun, and  

E-Print Network [OSTI]

2009 Book Chapters: 1. "Conceptual Development of Mental Health Ontologies", Jitender S. Deogun in Energy-Efficient Wireless Sensor Networks,", H. Al Nahas, J. S. Deogun, and E. D. Manley, ACM. Conference Papers: 8. "A Model Academic Ethics and Integrity Policy for Computer Science Departments

Farritor, Shane

306

Model validation and uncertainty analysis -- An example using a nitrate percolation model  

SciTech Connect (OSTI)

Model validation and uncertainty analysis are demonstrated using a model previously developed for estimating nitrate-nitrogen (nitrate) concentrations in percolation water from land application of sewage sludge. The objectives are to demonstrate alternate validation techniques and to analyze uncertainty associated with model use following validation. Field data from three published sludge application studies and two separate methods are used for the validation. The first method, point validation, is accomplished by inserting mean values into the model to make point predictions. Model accuracy is then assessed by calculating coefficient of determination (r{sup 2}), relative error and standard error. Statistical accuracy is tested using the Wilcoxon Signed Rank Test. The second method, statistical validation, uses Monte Carlo simulation to obtain distributions of model predictions. The hypothesis that field data represent reasonable samples from the distribution of model predictions is tested by checking whether observed values are within a range bounded by the 5 and 95% quantities of the distribution. Both validation methods demonstrate that the land application model generally overestimates nitrate concentrations. Monte Carlo simulation is used to identify which model input parameters are the largest contributors to the uncertainty in model predictions.

Mummert, M.C. [R.E. Wright Environmental, Inc., Middletown, PA (United States)

1996-12-31T23:59:59.000Z

307

Genome sequencing and analysis of the model grass Brachypodium distachyon  

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

Genome Genome sequencing and analysis of the model grass Brachypodium distachyon The International Brachypodium Initiative* Three subfamilies of grasses, the Ehrhartoideae, Panicoideae and Pooideae, provide the bulk of human nutrition and are poised to become major sources of renewable energy. Here we describe the genome sequence of the wild grass Brachypodium distachyon (Brachypodium), which is, to our knowledge, the first member of the Pooideae subfamily to be sequenced. Comparison of the Brachypodium, rice and sorghum genomes shows a precise history of genome evolution across a broad diversity of the grasses, and establishes a template for analysis of the large genomes of economically important pooid grasses such as wheat. The high-quality genome sequence, coupled with ease of cultivation and transformation, small size and rapid life cycle, will help Brachypodium reach its

308

A meta-analysis of the technology acceptance model: Investigating subjective norm and moderation effects  

Science Journals Connector (OSTI)

We conducted a quantitative meta-analysis of previous research on the technology acceptance model (TAM) in an attempt to make well-grounded statements on the role of subjective norm. Furthermore, we compared TAM results by taking into account moderating ... Keywords: Culture, Meta analysis, Moderator analysis, Structural equation modeling, Subjective norm, Technology acceptance model

Jeroen Schepers; Martin Wetzels

2007-01-01T23:59:59.000Z

309

Motility of a Model Bristle-Bot: a Theoretical Analysis  

E-Print Network [OSTI]

Bristle-bots are legged robots that can be easily made out of a toothbrush head and a small vibrating engine. Despite their simple appearance, the mechanism enabling them to propel themselves by exploiting friction with the substrate is far from trivial. Numerical experiments on a model bristle-bot have been able to reproduce such a mechanism revealing, in addition, the ability to switch direction of motion by varying the vibration frequency. This paper provides a detailed account of these phenomena through a fully analytical treatment of the model. The equations of motion are solved through an expansion in terms of a properly chosen small parameter. The convergence of the expansion is rigorously proven. In addition, the analysis delivers formulas for the average velocity of the robot and for the frequency at which the direction switch takes place. A quantitative description of the mechanism for the friction modulation underlying the motility of the bristle-bot is also provided.

Giancarlo Cicconofri; Antonio DeSimone

2014-10-22T23:59:59.000Z

310

Classical Logical versus Quantum Conceptual Thought: Examples in Economics, Decision theory and Concept Theory  

E-Print Network [OSTI]

Inspired by a quantum mechanical formalism to model concepts and their disjunctions and conjunctions, we put forward in this paper a specific hypothesis. Namely that within human thought two superposed layers can be distinguished: (i) a layer given form by an underlying classical deterministic process, incorporating essentially logical thought and its indeterministic version modeled by classical probability theory; (ii) a layer given form under influence of the totality of the surrounding conceptual landscape, where the different concepts figure as individual entities rather than (logical) combinations of others, with measurable quantities such as 'typicality', 'membership', 'representativeness', 'similarity', 'applicability', 'preference' or 'utility' carrying the influences. We call the process in this second layer 'quantum conceptual thought', which is indeterministic in essence, and contains holistic aspects, but is equally well, although very differently, organized than logical thought. A substantial part of the 'quantum conceptual thought process' can be modeled by quantum mechanical probabilistic and mathematical structures. We consider examples of three specific domains of research where the effects of the presence of quantum conceptual thought and its deviations from classical logical thought have been noticed and studied, i.e. economics, decision theory, and concept theories and which provide experimental evidence for our hypothesis.

Diederik Aerts; Bart D'Hooghe

2008-10-29T23:59:59.000Z

311

Yield Modeling and Analysis of a Clockless Asynchronous Wave Pipeline with Pulse Faults  

E-Print Network [OSTI]

Yield Modeling and Analysis of a Clockless Asynchronous Wave Pipeline with Pulse Faults T. Feng fault model and its modeling and analysis methods in a clockless asynchronous wave pipeline fault rate model for establishing a sound theoretical foundation for clockless wave pipeline design

Ayers, Joseph

312

Controlled air incinerator conceptual design study  

SciTech Connect (OSTI)

This report presents a conceptual design study for a controlled air incinerator facility for incineration of low level combustible waste at Three Mile Island Unit 2 (TMI-2). The facility design is based on the use of a Helix Process Systems controlled air incinerator. Cost estimates and associated engineering, procurement, and construction schedules are also provided. The cost estimates and schedules are presented for two incinerator facility designs, one with provisions for waste ash solidification, the other with provisions for packaging the waste ash for transport to an undefined location.

Not Available

1982-01-01T23:59:59.000Z

313

Tank Remote Repair System Conceptual Design  

SciTech Connect (OSTI)

This document describes two conceptual designs for a Tank Remote Repair System to perform leak site repairs of double shell waste tank walls (Types I, II, III, and IIIA) from the annulus space. The first concept uses a magnetic wall crawler and an epoxy patch system and the second concept uses a magnetic wall crawler and a magnetic patch system. The recommended concept uses the magnetic patch system, since it is simpler to deliver, easier to apply, and has a higher probability of stopping an active leak.

Kriikku, E.

2002-12-06T23:59:59.000Z

314

The MIT Emissions Prediction and Policy Analysis (EPPA) Model: Version 4  

E-Print Network [OSTI]

The Emissions Prediction and Policy Analysis (EPPA) model is the part of the MIT Integrated Global Systems Model (IGSM) that represents the human systems. EPPA is a recursive-dynamic multi-regional general equilibrium model ...

Paltsev, Sergey.

315

The MIT Emissions Prediction and Policy Analysis (EPPA) model : revisions, sensitivities, and comparisons of results  

E-Print Network [OSTI]

The Emissions Prediction and Policy Analysis (EPPA) model is a component of the MIT Integrated Earth Systems Model (IGSM). Here, we provide an overview of the model accessible to a broad audience and present the detailed ...

Babiker, Mustafa H.M.; Reilly, John M.; Mayer, Monika.; Eckaus, Richard S.; Sue Wing, Ian.; Hyman, Robert C.

316

E-Print Network 3.0 - analysis science modeling Sample Search...  

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

science modeling Search Powered by Explorit Topic List Advanced Search Sample search results for: analysis science modeling Page: << < 1 2 3 4 5 > >> 1 FROM MODELS TO METHODS TO...

317

A Forward Looking Version of the MIT Emissions Prediction and Policy Analysis (EPPA) Model  

E-Print Network [OSTI]

This paper documents a forward looking multi-regional general equilibrium model developed from the latest version of the recursive-dynamic MIT Emissions Prediction and Policy Analysis (EPPA) model. The model represents ...

Babiker, Mustafa M.H.

318

2H2A Hydrogen Delivery Infrastructure Analysis Models and Conventional Pathway Options Analysis Results - Interim Report  

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

H2A Hydrogen Delivery Infrastructure Analysis Models and H2A Hydrogen Delivery Infrastructure Analysis Models and Conventional Pathway Options Analysis Results DE-FG36-05GO15032 Interim Report Nexant, Inc., Air Liquide, Argonne National Laboratory, Chevron Technology Venture, Gas Technology Institute, National Renewable Energy Laboratory, Pacific Northwest National Laboratory, and TIAX LLC May 2008 Contents Section Page Executive Summary ................................................................................................................... 1-9 Delivery Options ...................................................................................................................... 1-9 Evaluation of Options 2 and 3 ................................................................................................. 1-9

319

Development based climate change adaptation and mitigation-conceptual...  

Open Energy Info (EERE)

based climate change adaptation and mitigation-conceptual issues and lessons learned in studies in developing countries Jump to: navigation, search Tool Summary LAUNCH TOOL Name:...

320

Climate Change Impacts and Adaptation Analysis How to Link Physical Climate Data and Economic Studies  

E-Print Network [OSTI]

Climate Change Impacts and Adaptation Analysis ­ How to Link Physical Climate Data and Economic There are a number of structural and conceptual differences between the information provided by climate change models of economic concepts applied to climate change impact and adaptation policy assessment, and to illustrate how

Note: This page contains sample records for the topic "analysis conceptual model" 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

Improvements to Hydrogen Delivery Scenario Analysis Model (HDSAM) and Results  

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

to Hydrogen to Hydrogen Delivery Scenario Analysis Model (HDSAM) and Results May 8, 2007 Amgad Elgowainy Argonne National Laboratory Comparison of Delivery Pathways- V1.0 vs. V2.0 2 1 3 i delivery by a Loading, the plant Version 1.0 character zed components for 3 pathways with single mode. conditioning and storage are at or adjacent to Liquid Hydrogen (LH) Truck H2 Production 100 or 1500 kg/d Compressed H2 (CH) Truck H2 Production 3 or 7 kpsi 100 or 1500 kg/d H2 Production Gaseous H2 Pipeline 100 or 1500 kg/d HDSAM V1.0 Estimates Delivery Cost for 3 Pathways 4 H2 H2 1 2 3 H2 Distribution and Ci I. Liquid H2 Distribution: HDSAM V2.0 Simulates Nine Pathways Production Production LH Terminal LH Terminal Production LH Terminal Transmission Transmission Distribution

322

Shell-Model Analysis for Brueckner Calculations in Light Nuclei  

Science Journals Connector (OSTI)

Brueckner self-consistent calculations are performed for O16, H3, and He4 nuclei with various modern hard-core interactions. Elements of the G matrix are calculated by the reference-spectrum method, while Q-1 corrections are made by matrix inversion in the proper single-particle space. Thus, it is not assumed that Q commutes with the center-of-mass motion. The prescription for selecting the appropriate spectrum of single-particle excited states is investigated by comparing results of the Brueckner method with other calculations. These comparisons indicate that the particle spectrum should be left unperturbed. One then finds that the Hamada-Johnston, Yale, and Reid (hard-core) interactions yield about one half the binding energy of O16. The calculated results are dissected into shell-model components. This analysis indicates that the short-range part of the hard-core interaction is too strongly repulsive.

Ram K. Tripathi and Paul Goldhammer

1972-07-01T23:59:59.000Z

323

Modeling and analysis of water-hammer in coaxial pipes  

E-Print Network [OSTI]

The fluid-structure interaction is studied for a system composed of two coaxial pipes in an annular geometry, for both homogeneous isotropic metal pipes and fiber-reinforced (anisotropic) pipes. Multiple waves, traveling at different speeds and amplitudes, result when a projectile impacts on the water filling the annular space between the pipes. In the case of carbon fiber-reinforced plastic thin pipes we compute the wavespeeds, the fluid pressure and mechanical strains as functions of the fiber winding angle. This generalizes the single-pipe analysis of J. H. You, and K. Inaba, Fluid-structure interaction in water-filled pipes of anisotropic composite materials, J. Fl. Str. 36 (2013). Comparison with a set of experimental measurements seems to validate our models and predictions.

Cesana, Pierluigi

2015-01-01T23:59:59.000Z

324

Bio-PEPA: A framework for the modelling and analysis of biological systems  

Science Journals Connector (OSTI)

In this work we present Bio-PEPA, a process algebra for the modelling and the analysis of biochemical networks. It is a modification of PEPA, originally defined for the performance analysis of computer systems, in order to handle some features of biological ... Keywords: Analysis, Biochemical networks, Modelling, Process algebras

Federica Ciocchetta; Jane Hillston

2009-08-01T23:59:59.000Z

325

External Corrosion Analysis of Model 9975 Packaging Container  

SciTech Connect (OSTI)

The Materials Consultation Group of SRTC has completed an external corrosion analysis of the Model 9975 packaging container for storage in K Reactor under ambient conditions for a period of 12 years. The 12-year storage period includes two years for shipping and ten years for storage. Based on review of existing literature and stated building storage conditions, corrosion degradation of the 304L Stainless Steel (SS) packaging container (drum and vessels) should be minimal during the 12 year time period. There may be visible corrosion on the galvanized carbon steel pallet due to initial drum handling. The visible corrosion will not be sufficient to cause significant degradation during the 12-year storage period. The Materials Consultation Group concludes that there are sufficient data to establish the technical basis for safe storage of the Model 9975 container in the 105-K building for up to 10 years following the 2-year shipping period. The data are sufficient to allow the 304L SS containers to be stored for a total period of 15 years.

Vormelker, P.

1999-02-23T23:59:59.000Z

326

Analysis of real-time reservoir monitoring : reservoirs, strategies, & modeling.  

SciTech Connect (OSTI)

The project objective was to detail better ways to assess and exploit intelligent oil and gas field information through improved modeling, sensor technology, and process control to increase ultimate recovery of domestic hydrocarbons. To meet this objective we investigated the use of permanent downhole sensors systems (Smart Wells) whose data is fed real-time into computational reservoir models that are integrated with optimized production control systems. The project utilized a three-pronged approach (1) a value of information analysis to address the economic advantages, (2) reservoir simulation modeling and control optimization to prove the capability, and (3) evaluation of new generation sensor packaging to survive the borehole environment for long periods of time. The Value of Information (VOI) decision tree method was developed and used to assess the economic advantage of using the proposed technology; the VOI demonstrated the increased subsurface resolution through additional sensor data. Our findings show that the VOI studies are a practical means of ascertaining the value associated with a technology, in this case application of sensors to production. The procedure acknowledges the uncertainty in predictions but nevertheless assigns monetary value to the predictions. The best aspect of the procedure is that it builds consensus within interdisciplinary teams The reservoir simulation and modeling aspect of the project was developed to show the capability of exploiting sensor information both for reservoir characterization and to optimize control of the production system. Our findings indicate history matching is improved as more information is added to the objective function, clearly indicating that sensor information can help in reducing the uncertainty associated with reservoir characterization. Additional findings and approaches used are described in detail within the report. The next generation sensors aspect of the project evaluated sensors and packaging survivability issues. Our findings indicate that packaging represents the most significant technical challenge associated with application of sensors in the downhole environment for long periods (5+ years) of time. These issues are described in detail within the report. The impact of successful reservoir monitoring programs and coincident improved reservoir management is measured by the production of additional oil and gas volumes from existing reservoirs, revitalization of nearly depleted reservoirs, possible re-establishment of already abandoned reservoirs, and improved economics for all cases. Smart Well monitoring provides the means to understand how a reservoir process is developing and to provide active reservoir management. At the same time it also provides data for developing high-fidelity simulation models. This work has been a joint effort with Sandia National Laboratories and UT-Austin's Bureau of Economic Geology, Department of Petroleum and Geosystems Engineering, and the Institute of Computational and Engineering Mathematics.

Mani, Seethambal S.; van Bloemen Waanders, Bart Gustaaf; Cooper, Scott Patrick; Jakaboski, Blake Elaine; Normann, Randy Allen; Jennings, Jim (University of Texas at Austin, Austin, TX); Gilbert, Bob (University of Texas at Austin, Austin, TX); Lake, Larry W. (University of Texas at Austin, Austin, TX); Weiss, Chester Joseph; Lorenz, John Clay; Elbring, Gregory Jay; Wheeler, Mary Fanett (University of Texas at Austin, Austin, TX); Thomas, Sunil G. (University of Texas at Austin, Austin, TX); Rightley, Michael J.; Rodriguez, Adolfo (University of Texas at Austin, Austin, TX); Klie, Hector (University of Texas at Austin, Austin, TX); Banchs, Rafael (University of Texas at Austin, Austin, TX); Nunez, Emilio J. (University of Texas at Austin, Austin, TX); Jablonowski, Chris (University of Texas at Austin, Austin, TX)

2006-11-01T23:59:59.000Z

327

Hierarchical models facilitate spatial analysis of large data sets: a case study on invasive plant species  

E-Print Network [OSTI]

LETTER Hierarchical models facilitate spatial analysis of large data sets: a case study on invasive issues require the analysis of large spatial point data sets ­ for example, modelling species distributions, abundance and spread from survey data. But modelling spatial relationships, especially in large

Silander Jr., John A.

328

CINDOR Conceptual Interlingua Document Retrieval: TREC-8 Evaluation.  

E-Print Network [OSTI]

CINDOR Conceptual Interlingua Document Retrieval: TREC-8 Evaluation. Miguel Ruiz, Anne Diekema-language retrieval track. Our objective was to continue our investigation of our conceptual interlingua approach- language track. Our hypothesis, that the underlying retrieval engine used in CINDOR was employing a simple

Ruiz, Miguel E.

329

Update 3 to: A Dispersion Modeling Analysis of Downwash from Mirant's  

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

3 to: A Dispersion Modeling Analysis of Downwash from 3 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant, Modeling Units 1 and 4 Together Update 3 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant, Modeling Units 1 and 4 Together Docket No. EO-05-01. Docket No. EO-05-01. This report describes dispersion modeling performed for Units 1 and 4 at Mirant's Potomac River Generating Station. The purpose of the modeling was to demonstrate that Units 1 and 4, operating together under specific loads and during certain periods in a calendar day will not cause or contribut to excceedences of the National Ambient Air Quality Standards (NAAQS). Update 2 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant, Modeling Units 1 and 4 Together

330

Update 4 to: A Dispersion Modeling Analysis of Downwash from Mirant's  

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

4 to: A Dispersion Modeling Analysis of Downwash from 4 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant, Modeling Unit 4 Emissions at Maximum and Minimum Loads Update 4 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant, Modeling Unit 4 Emissions at Maximum and Minimum Loads Docket No. EO-05-01. This report describes dispersion modeling performed for Unit 4 at Mirant's Potomac River Generating Station. The modeling was performed according to the Protocol approved by the Virginia Deparment of Environmental Quality. The purpose of the modeling was to demonstrate that Unit 4, operating alone under minimum and maximum loads will not cause or contribute to exceedances of the National Ambient Air Quality Standards (NAAQS). Update 4 to: A Dispersion Modeling Analysis of Downwash from Mirant's

331

Modeling and Analysis of Natural Gas and Gasoline In A High Compressio...  

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

and Analysis of Natural Gas and Gasoline In A High Compression Ratio High Efficiency ICRE Modeling and Analysis of Natural Gas and Gasoline In A High Compression Ratio High...

332

H2A Delivery Components Model and Analysis | Department of Energy  

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

H2A Delivery Components Model and Analysis for the DOE Hydrogen Delivery High-Pressure Tanks and Analysis Project Review Meeting held February 8-9, 2005 at Argonne National...

333

Applied Dynamic Analysis of the Global Economy (ADAGE) Model | Open Energy  

Open Energy Info (EERE)

Applied Dynamic Analysis of the Global Economy (ADAGE) Model Applied Dynamic Analysis of the Global Economy (ADAGE) Model Jump to: navigation, search LEDSGP green logo.png FIND MORE DIA TOOLS This tool is part of the Development Impacts Assessment (DIA) Toolkit from the LEDS Global Partnership. Tool Summary LAUNCH TOOL Name: Applied Dynamic Analysis of the Global Economy (ADAGE) Model Agency/Company /Organization: Research Triangle Institute Sector: Climate, Energy Topics: Co-benefits assessment, - Macroeconomic, Pathways analysis Resource Type: Software/modeling tools User Interface: Desktop Application Complexity/Ease of Use: Advanced Website: www.rti.org/page.cfm?objectid=DDC06637-7973-4B0F-AC46B3C69E09ADA9 RelatedTo: Electricity Markets Analysis (EMA) Model Cost: Paid Applied Dynamic Analysis of the Global Economy (ADAGE) Model Screenshot

334

Structural Equation Modelling for Causal Analysis Applied to Transport Systems  

E-Print Network [OSTI]

barrier (SBA), fault tree (FTA) and failure mode and effect analysis (FMEA) into one method. Our approach Analysis (FTA), Failure Mode and Effect Analysis (FMEA), Event Tree Analysis (ETA) or Safety Barrier]). The probably most familiar methods FTA and FMEA are widely used in industry due to their intuitive

Schlingloff, Holger

335

A proposed cost-benefit analysis model for physical form analysis for a futuristic submarine decision support system  

E-Print Network [OSTI]

This thesis proposes a model for cost-benefit analysis for physical form selection of a decision support tool, primarily to support system acquisition decisions that need to be made early in the system life cycle. By ...

Bhattacharjee, Dhiman

2007-01-01T23:59:59.000Z

336

Pumped Storage Hydropower (Detailed Analysis to Demonstrate Value)-Modeling and Analysis of Value of Advanced Pumped Storage Hydropower in the U.S.  

Broader source: Energy.gov [DOE]

Pumped Storage Hydropower (Detailed Analysis to Demonstrate Value)-Modeling and Analysis of Value of Advanced Pumped Storage Hydropower in the U.S.

337

1 of 9Submitted to IEEE Design & Test of Computers (22 March 2000 4:59 pm) Abstract: We propose a conceptual framework, called the Rugby Model, in which designs, design processes  

E-Print Network [OSTI]

in 1983, the complexity in terms of transistor count has increased more than two orders of magnitude be studied. The model has similar objectives as the well known Y chart [1] but its scope is extended and Time. The behavioural domain of the Y chart is replaced with more restricted computation domain

Jantsch, Axel

338

Fuel Performance Code Benchmark for Uncertainty Analysis in Light Water Reactor Modeling.  

E-Print Network [OSTI]

??Fuel performance codes are used in the design and safety analysis of light water reactors. The differences in the physical models and the numerics of (more)

Blyth, Taylor

2012-01-01T23:59:59.000Z

339

E-Print Network 3.0 - analysis modeling tool Sample Search Results  

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

and Editors George Edwards Summary: , to leverage models created using these tools for automated analysis, simulation, and code generation, end... - users must build custom...

340

Webinar: Critical Updates to the Hydrogen Analysis Production Model (H2A v3)  

Broader source: Energy.gov [DOE]

Video recording and text version of the webinar, Critical Updates to the Hydrogen Analysis Production Model (H2A v3), originally presented on February 8, 2012.

Note: This page contains sample records for the topic "analysis conceptual model" 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

Critical Updates to the Hydrogen Analysis Production Model (H2A v3)  

Broader source: Energy.gov [DOE]

Presentation slides from the February 8, 2012, Fuel Cell Technologies Program webinar, "Critical Updates to the Hydrogen Analysis Production Model (H2A v3)".

342

Modeling and Analysis of Ultra-Relativistic Heavy-Ion Collisions  

SciTech Connect (OSTI)

This document contains the final report for DOE grant DE-FG02-03ER41239: Modeling and Analysis of Ultra-Relativistic Heavy-Ion Collisions

Bass, Steffen A.

2008-06-02T23:59:59.000Z

343

Webinar: DOE Launches JOBS and Economic Impacts of Fuel Cells (JOBS FC) Analysis Model  

Broader source: Energy.gov [DOE]

Video recording and text version of the webinar titled, DOE Launches JOBS and Economic Impacts of Fuel Cells (JOBS FC) Analysis Model, originally presented on May 22, 2012.

344

2013 CEF RUN - PHASE 1 DATA ANALYSIS AND MODEL VALIDATION  

SciTech Connect (OSTI)

Phase 1 of the 2013 Cold cap Evaluation Furnace (CEF) test was completed on June 3, 2013 after a 5-day round-the-clock feeding and pouring operation. The main goal of the test was to characterize the CEF off-gas produced from a nitric-formic acid flowsheet feed and confirm whether the CEF platform is capable of producing scalable off-gas data necessary for the revision of the DWPF melter off-gas flammability model; the revised model will be used to define new safety controls on the key operating parameters for the nitric-glycolic acid flowsheet feeds including total organic carbon (TOC). Whether the CEF off-gas data were scalable for the purpose of predicting the potential flammability of the DWPF melter exhaust was determined by comparing the predicted H{sub 2} and CO concentrations using the current DWPF melter off-gas flammability model to those measured during Phase 1; data were deemed scalable if the calculated fractional conversions of TOC-to-H{sub 2} and TOC-to-CO at varying melter vapor space temperatures were found to trend and further bound the respective measured data with some margin of safety. Being scalable thus means that for a given feed chemistry the instantaneous flow rates of H{sub 2} and CO in the DWPF melter exhaust can be estimated with some degree of conservatism by multiplying those of the respective gases from a pilot-scale melter by the feed rate ratio. This report documents the results of the Phase 1 data analysis and the necessary calculations performed to determine the scalability of the CEF off-gas data. A total of six steady state runs were made during Phase 1 under non-bubbled conditions by varying the CEF vapor space temperature from near 700 to below 300C, as measured in a thermowell (T{sub tw}). At each steady state temperature, the off-gas composition was monitored continuously for two hours using MS, GC, and FTIR in order to track mainly H{sub 2}, CO, CO{sub 2}, NO{sub x}, and organic gases such as CH{sub 4}. The standard deviation of the average vapor space temperature during each steady state ranged from 2 to 6C; however, those of the measured off-gas data were much larger due to the inherent cold cap instabilities in the slurry-fed melters. In order to predict the off-gas composition at the sampling location downstream of the film cooler, the measured feed composition was charge-reconciled and input into the DWPF melter off-gas flammability model, which was then run under the conditions for each of the six Phase 1 steady states. In doing so, it was necessary to perform an overall heat/mass balance calculation from the melter to the Off-Gas Condensate Tank (OGCT) in order to estimate the rate of air inleakage as well as the true gas temperature in the CEF vapor space (T{sub gas}) during each steady state by taking into account the effects of thermal radiation on the measured temperature (T{sub tw}). The results of Phase 1 data analysis and subsequent model runs showed that the predicted concentrations of H{sub 2} and CO by the DWPF model correctly trended and further bounded the respective measured data in the CEF off-gas by over predicting the TOC-to-H{sub 2} and TOC-to-CO conversion ratios by a factor of 2 to 5; an exception was the 7X over prediction of the latter at T{sub gas} = 371C but the impact of CO on the off-gas flammability potential is only minor compared to that of H{sub 2}. More importantly, the seemingly-excessive over prediction of the TOC-to-H{sub 2} conversion by a factor of 4 or higher at T{sub gas} < ~350C was attributed to the conservative antifoam decomposition scheme added recently to the model and therefore is considered a modeling issue and not a design issue. At T{sub gas} > ~350C, the predicted TOC-to-H{sub 2} conversions were closer to but still higher than the measured data by a factor of 2, which may be regarded as adequate from the safety margin standpoint. The heat/mass balance calculations also showed that the correlation between T{sub tw} and T{sub gas} in the CEF vapor space was close to that of the scale SGM, whose data were ta

Choi, A.

2014-05-08T23:59:59.000Z

345

Model-driven development of context-aware Web applications  

Science Journals Connector (OSTI)

Context-aware, multi-channel Web applications are more and more gaining consensus among both content providers and consumers, but very few proposals exist for their conceptual modeling. This article illustrates a conceptual framework that provides modeling ... Keywords: Context, WebML, adaptive hypertext, conceptual modeling, context-aware Web applications, context-awareness

Stefano Ceri; Florian Daniel; Maristella Matera; Federico M. Facca

2007-02-01T23:59:59.000Z

346

NUMERICAL ANALYSIS OF A STEEPEST-DESCENT PDE MODEL FOR SURFACE RELAXATION BELOW THE ROUGHENING  

E-Print Network [OSTI]

NUMERICAL ANALYSIS OF A STEEPEST-DESCENT PDE MODEL FOR SURFACE RELAXATION BELOW THE ROUGHENING addresses a widely-used PDE model for the relaxation of a crystalline surface below the roughening

347

Identifiability and sensitivity analysis of a Photodynamic Therapy model Simona Dobrea  

E-Print Network [OSTI]

model composed of six nonlinear differential equations. The model parameters can be used to compare parameters estimability through a local practical identifiability study combined with a global sensitivity. Identifiability, sensitivity analysis, nonlinear systems, biomedical systems * Corresponding author. Tel.: +33

Boyer, Edmond

348

The ICF, Inc. coal and electric utilities model : an analysis and evaluation  

E-Print Network [OSTI]

v.1. The Electric Power Research Institute (EPRI) is sponsoring a series of evaluations of important energy policy and electric utility industry models by the MIT Energy Model Analysis Program (EMAP). The subject of this ...

Wood, David O.

1981-01-01T23:59:59.000Z

349

Regional Frequency Analysis at Ungauged Sites with the Generalized Additive Model  

Science Journals Connector (OSTI)

The log-linear regression model is one of the most commonly used models to estimate flood quantiles at ungauged sites within the regional frequency analysis (RFA) framework. However, hydrological processes are naturally complex in several aspects ...

F. Chebana; C. Charron; T. B. M. J. Ouarda; B. Martel

2014-12-01T23:59:59.000Z

350

Modeling and Analysis of Large-Scale On-Chip Interconnects  

E-Print Network [OSTI]

in computer aided design areas. This dissertation presents new methodologies for addressing the above two important challenging issues for large scale on-chip interconnect modeling and analysis: In the past, the standard statistical circuit modeling techniques...

Feng, Zhuo

2010-07-14T23:59:59.000Z

351

Models of fragmentation phenomena based on the symmetric group S sub n and combinational analysis  

SciTech Connect (OSTI)

Various models for fragmentation phenomena are developed using methods from permutation groups and combinational analysis. The appearance and properties of power laws in these models are discussed. Various exactly soluble cases are studied.

Mekjian, A.Z. (Washington Univ., Seattle, WA (United States). Inst. for Nuclear Theory); Lee, S.J. (Rutgers--the State Univ., Piscataway, NJ (United States). Dept. of Physics and Astronomy)

1991-01-29T23:59:59.000Z

352

Models of fragmentation phenomena based on the symmetric group S{sub n} and combinational analysis  

SciTech Connect (OSTI)

Various models for fragmentation phenomena are developed using methods from permutation groups and combinational analysis. The appearance and properties of power laws in these models are discussed. Various exactly soluble cases are studied.

Mekjian, A.Z. [Washington Univ., Seattle, WA (United States). Inst. for Nuclear Theory; Lee, S.J. [Rutgers--the State Univ., Piscataway, NJ (United States). Dept. of Physics and Astronomy

1991-01-29T23:59:59.000Z

353

Automatic Sensitivity Analysis of DAE-systems Generated from Equation-Based Modeling Languages  

Science Journals Connector (OSTI)

This paper aims at sensitivity analysis of differential algebraic equation (DAE) systems, generated from mathematical models, specified in equation-based modeling languages. Modern simulation languages (e.g. M...

Atya Elsheikh; Wolfgang Wiechert

2008-01-01T23:59:59.000Z

354

Comments on the Meehl-Waller procedure for appraisal of path analysis models  

E-Print Network [OSTI]

P. E. Meehl and N. G. Waller (2002) proposed an innovative method for assessing path analysis models wherein they subjected a given model, along with a set of alternatives, to risky tests using selected elements of a sample ...

MacCallum, R. C.; Browne, M. W.; Preacher, K. J.

2002-01-01T23:59:59.000Z

355

A MODEL ATMOSPHERE ANALYSIS OF ALPHA AURIGAE A  

SciTech Connect (OSTI)

This work presents the first quantitative composite model atmosphere analysis of Capella, the brightest near-equal-mass spectroscopic binary and principal star of the constellation Auriga. Its high-resolution spectrum leads to a slightly metal-rich object at [Fe/H] = +0.05 {+-} 0.08 dex. In line with its young age and its kinematics, this consistently associates Capella with the Hyades moving group. The measured projected rotational velocities, vsin i{sub Aa} = 3.5 {+-} 0.8 km s{sup -1} and vsin i{sub Ab} = 35.4 {+-} 3.2 km s{sup -1}, both agree with rotational and orbital coplanarity and synchronous orbital rotation for the Aa component. At an orbital period P = 104 d the primary's bound rotation together with the almost zero orbital eccentricity are both key characteristics of this binary and clearly imply that the Aa component must have passed the tip of the giant branch. Whether in that phase Capella also became a mass transfer system remains inconclusive at present, though the high rotational velocity of the less evolved Hertzsprung gap secondary and the very diverse lithium abundances of both its components render this a plausible case.

Fuhrmann, Klaus [Astronomisches Institut, Ruhr-Universitaet Bochum, Universitaetsstrasse 150, D-44780 Bochum (Germany)

2011-11-20T23:59:59.000Z

356

Application of Finite Mixture Models for Vehicle Crash Data Analysis  

E-Print Network [OSTI]

heterogeneity through the use of finite mixture regression models. A Finite mixture of Poisson or NB regression models is especially useful when the count data were generated from a heterogeneous population. To evaluate these models, Poisson and NB mixture...

Park, Byung Jung

2010-07-14T23:59:59.000Z

357

A critical review of methods and models for evaluating organizational factors in Human Reliability Analysis  

Science Journals Connector (OSTI)

Abstract This work makes a critical evaluation of the deficiencies concerning human factors and evaluates the potential of quantitative techniques that have been proposed in the last decades, like THERP (Technique for Human Error Rate Prediction), CREAM (Cognitive Reliability and Error Analysis Method), and ATHEANA (A Technique for Human Event Analysis), to model organizational factors, including cognitive processes in humans and interactions among humans and groups. Two important models are discussed in this context: STAMP (Systems-Theoretic Accident Model and Process), based on system theory and FRAM (Functional Resonance Analysis Method), which aims at modeling the nonlinearities of socio-technical systems. These models, however, are not yet being used in risk analysis similarly to Probabilistic Safety Analyses for safety assessment of nuclear reactors. However, STAMP has been successfully used for retrospective analysis of events, which would allow an extension of these studies to prospective safety analysis.

M.A.B. Alvarenga; P.F. Frutuoso e Melo; R.A. Fonseca

2014-01-01T23:59:59.000Z

358

Conceptual Design - Polar Drive Ignition Campaign  

SciTech Connect (OSTI)

The Laboratory for Laser Energetics (LLE) at the University of Rochester is proposing a collaborative effort with Lawrence Livermore National Laboratory (LLNL), Los Alamos National Laboratories (LANL), the Naval Research Laboratory (NRL), and General Atomics (GA) with the goal of developing a cryogenic polar drive (PD) ignition platform on the National Ignition Facility (NIF). The scope of this proposed project requires close discourse among theorists, experimentalists, and laser and system engineers. This document describes how this proposed project can be broken into a series of parallel independent activities that, if implemented, could deliver this goal in the 2017 timeframe. This Conceptual Design document is arranged into two sections: mission need and design requirements. Design requirements are divided into four subsystems: (1) A point design that details the necessary target specifications and laser pulse requirements; (2) The beam smoothing subsystem that describes the MultiFM 1D smoothing by spectral dispersion (SSD); (3) New optical elements that include continuous phase plates (CPP's) and distributed polarization rotators (DPR's); and (4) The cryogenic target handling and insertion subsystem, which includes the design, fabrication, testing, and deployment of a dedicated PD ignition target insertion cryostat (PD-ITIC). This document includes appendices covering: the primary criteria and functional requirements, the system design requirements, the work breakdown structure, the target point design, the experimental implementation plan, the theoretical unknowns and technical implementation risks, the estimated cost and schedule, the development plan for the DPR's, the development plan for MultiFM 1D SSD, and a list of acronym definitions. While work on the facility modifications required for PD ignition has been in progress for some time, some of the technical details required to define the specific modifications for a Conceptual Design Review (CDR) remain to be defined. In all cases, the facility modifications represent functional changes to existing systems or capabilities. The bulk of the scope yet to be identified is associated with the DPR's and MultiFM beam smoothing. Detailed development plans for these two subsystems are provided in Appendices H and I; additional discussion of subsystem requirements based on the physics of PD ignition is given in Section 3. Accordingly, LLE will work closely with LLNL to develop detailed conceptual designs for the PD-specific facility modifications, including assessments of the operational impact of implementation (e.g., changing optics for direct rather than indirect-drive illumination and swapping from a hohlraum-based ITIC to one that supports PD). Furthermore, the experimental implementation plan represents the current best understanding of the experimental campaigns required to achieve PD ignition. This plan will evolve based on the lessons learned from the National Ignition Campaign (NIC) and ongoing indirect-drive ignition experiments. The plan does not take the operational realities of the PD configuration into account; configuration planning for the proposed PD experiments is beyond the scope of this document.

Hansen, R

2012-04-05T23:59:59.000Z

359

Conceptual Design For Interplanetary Spaceship Discovery  

Science Journals Connector (OSTI)

With the recently revived national interest in Lunar and Mars missions this design study was undertaken by the author in an attempt to satisfy the long?term space exploration vision of human travel to the Moon Mars and beyond with a single design or family of vehicles. This paper describes a conceptual design for an interplanetary spaceship of the not?to?distant future. It is a design that is outwardly similar to the spaceship Discovery depicted in the novel 2001 A Space Odyssey and film of the same name. Like its namesake this spaceship could one day transport a human expedition to explore the moons of Jupiter. This spaceship Discovery is a real engineering design that is capable of being implemented using technologies that are currently at or near the state?of?the?art. The ships main propulsion and electrical power are provided by bi?modal nuclear thermal rocket engines. Configurations are presented to satisfy four basic Design Reference Missions: (1) a high?energy mission to Jupiters moon Callisto (2) a high?energy mission to Mars (3) a low?energy mission to Mars and (4) a high?energy mission to the Moon. The spaceship design includes dual strap?on boosters to enable the high?energy Mars and Jupiter missions. Three conceptual lander designs are presented: (1) Two types of Mars landers that utilize atmospheric and propulsive braking and (2) a lander for Callisto or Earths Moon that utilizes only propulsive braking. Spaceship Discovery offers many advantages for human exploration of the Solar System: (1) Nuclear propulsion enables propulsive capture and escape maneuvers at Earth and target planets eliminating risky aero?capture maneuvers. (2) Strap?on boosters provide robust propulsive energy enabling flexibility in mission planning shorter transit times expanded launch windows and free?return abort trajectories from Mars. (3) A backup abort propulsion system enables crew aborts at multiple points in the mission. (4) Clustered NTR engines provide engine out redundancy. (5) The design efficiently implements galactic cosmic ray shielding using main propellant liquid hydrogen. (6) The design provides artificial gravity to mitigate crew physiological problems on long?duration missions. (7) The design is modular and can be launched using the proposed upgrades to the Evolved Expendable Launch Vehicles or Shuttle?derived heavy lift launch vehicles. (8) High value modules are reusable for Mars and Lunar missions. (9) The design has inherent growth capability and can be tailored to satisfy expanding mission requirements to enable an in?family progression to the Moon Mars and beyond.

Mark G. Benton Sr.

2006-01-01T23:59:59.000Z

360

Metrological analysis of a procedure for the automatic 3D modeling of dental plaster casts  

E-Print Network [OSTI]

Metrological analysis of a procedure for the automatic 3D modeling of dental plaster casts Nicola to an automatic procedure recently proposed for the 3D modeling of dental plaster casts. This contribution derives of an automatic 3D modeling procedure recently proposed and it shows the accuracy of 3D modeling dental plaster

Abu-Mostafa, Yaser S.

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


361

COMFAR III: Computer Model for Feasibility Analysis and Reporting | Open  

Open Energy Info (EERE)

COMFAR III: Computer Model for Feasibility Analysis and Reporting COMFAR III: Computer Model for Feasibility Analysis and Reporting Jump to: navigation, search Tool Summary Name: COMFAR III: Computer Model for Feasibility Analysis and Reporting Agency/Company /Organization: United Nations Industrial Development Organization Focus Area: Industry Resource Type: Software/modeling tools User Interface: Desktop Application Website: www.unido.org/index.php?id=o3470 Language: "Arabic, Chinese, English, French, German, Japanese, Portuguese, Russian, Spanish; Castilian" is not in the list of possible values (Abkhazian, Achinese, Acoli, Adangme, Adyghe; Adygei, Afar, Afrihili, Afrikaans, Afro-Asiatic languages, Ainu, Akan, Akkadian, Albanian, Aleut, Algonquian languages, Altaic languages, Amharic, Angika, Apache languages, Arabic, Aragonese, Arapaho, Arawak, Armenian, Aromanian; Arumanian; Macedo-Romanian, Artificial languages, Assamese, Asturian; Bable; Leonese; Asturleonese, Athapascan languages, Australian languages, Austronesian languages, Avaric, Avestan, Awadhi, Aymara, Azerbaijani, Balinese, Baltic languages, Baluchi, Bambara, Bamileke languages, Banda languages, Bantu (Other), Basa, Bashkir, Basque, Batak languages, Beja; Bedawiyet, Belarusian, Bemba, Bengali, Berber languages, Bhojpuri, Bihari languages, Bikol, Bini; Edo, Bislama, Blin; Bilin, Blissymbols; Blissymbolics; Bliss, Bosnian, Braj, Breton, Buginese, Bulgarian, Buriat, Burmese, Caddo, Catalan; Valencian, Caucasian languages, Cebuano, Celtic languages, Central American Indian languages, Central Khmer, Chagatai, Chamic languages, Chamorro, Chechen, Cherokee, Cheyenne, Chibcha, Chichewa; Chewa; Nyanja, Chinese, Chinook jargon, Chipewyan; Dene Suline, Choctaw, Chuukese, Chuvash, Classical Newari; Old Newari; Classical Nepal Bhasa, Classical Syriac, Coptic, Cornish, Corsican, Cree, Creek, Creoles and pidgins , Crimean Tatar; Crimean Turkish, Croatian, Cushitic languages, Czech, Dakota, Danish, Dargwa, Delaware, Dinka, Divehi; Dhivehi; Maldivian, Dogri, Dogrib, Dravidian languages, Duala, Dutch; Flemish, Dyula, Dzongkha, Eastern Frisian, Efik, Egyptian (Ancient), Ekajuk, Elamite, English, Erzya, Esperanto, Estonian, Ewe, Ewondo, Fang, Fanti, Faroese, Fijian, Filipino; Pilipino, Finnish, Finno-Ugrian languages, Fon, French, Friulian, Fulah, Ga, Gaelic; Scottish Gaelic, Galibi Carib, Galician, Ganda, Gayo, Gbaya, Geez, Georgian, German, Germanic languages, Gilbertese, Gondi, Gorontalo, Gothic, Grebo, Greek, Modern, Guarani, Gujarati, Gwich'in, Haida, Haitian; Haitian Creole, Hausa, Hawaiian, Hebrew, Herero, Hiligaynon, Himachali languages; Western Pahari languages, Hindi, Hiri Motu, Hittite, Hmong; Mong, Hungarian, Hupa, Iban, Icelandic, Ido, Igbo, Ijo languages, Iloko, Inari Sami, Indic languages, Indo-European languages, Indonesian, Ingush, Interlingue; Occidental, Inuktitut, Inupiaq, Iranian languages, Irish, Iroquoian languages, Italian, Japanese, Javanese, Judeo-Arabic, Judeo-Persian, Kabardian, Kabyle, Kachin; Jingpho, Kalaallisut; Greenlandic, Kalmyk; Oirat, Kamba, Kannada, Kanuri, Kara-Kalpak, Karachay-Balkar, Karelian, Karen languages, Kashmiri, Kashubian, Kawi, Kazakh, Khasi, Khoisan languages, Khotanese; Sakan, Kikuyu; Gikuyu, Kimbundu, Kinyarwanda, Kirghiz; Kyrgyz, Klingon; tlhIngan-Hol, Komi, Kongo, Konkani, Korean, Kosraean, Kpelle, Kru languages, Kuanyama; Kwanyama, Kumyk, Kurdish, Kurukh, Kutenai, Ladino, Lahnda, Lamba, Land Dayak languages, Lao, Latin, Latvian, Lezghian, Limburgan; Limburger; Limburgish, Lingala, Lithuanian, Lojban, Lower Sorbian, Lozi, Luba-Katanga, Luba-Lulua, Luiseno, Lule Sami, Lunda, Luo (Kenya and Tanzania), Lushai, Luxembourgish; Letzeburgesch, Macedonian, Madurese, Magahi, Maithili, Makasar, Malagasy, Malay, Malayalam, Maltese, Manchu, Mandar, Mandingo, Manipuri, Manobo languages, Manx, Maori, Mapudungun; Mapuche, Marathi, Mari, Marshallese, Marwari, Masai, Mayan languages, Mende, Mi'kmaq; Micmac, Minangkabau, Mirandese, Mohawk, Moksha, Mon-Khmer languages, Mongo, Mongolian, Mossi, Multiple languages, Munda languages, N'Ko, Nahuatl languages, Nauru, Navajo; Navaho, Ndebele, North; North Ndebele, Ndebele, South; South Ndebele, Ndonga, Neapolitan, Nepal Bhasa; Newari, Nepali, Nias, Niger-Kordofanian languages, Nilo-Saharan languages, Niuean, North American Indian languages, Northern Frisian, Northern Sami, Norwegian, Nubian languages, Nyamwezi, Nyankole, Nyoro, Nzima, Occitan (post 1500); Provençal, Ojibwa, Oriya, Oromo, Osage, Ossetian; Ossetic, Otomian languages, Pahlavi, Palauan, Pali, Pampanga; Kapampangan, Pangasinan, Panjabi; Punjabi, Papiamento, Papuan languages, Pedi; Sepedi; Northern Sotho, Persian, Philippine languages, Phoenician, Pohnpeian, Polish, Portuguese, Prakrit languages, Pushto; Pashto, Quechua, Rajasthani, Rapanui, Rarotongan; Cook Islands Maori, Romance languages, Romanian; Moldavian; Moldovan, Romansh, Romany, Rundi, Russian, Salishan languages, Samaritan Aramaic, Sami languages, Samoan, Sandawe, Sango, Sanskrit, Santali, Sardinian, Sasak, Scots, Selkup, Semitic languages, Serbian, Serer, Shan, Shona, Sichuan Yi; Nuosu, Sicilian, Sidamo, Sign Languages, Siksika, Sindhi, Sinhala; Sinhalese, Sino-Tibetan languages, Siouan languages, Skolt Sami, Slave (Athapascan), Slavic languages, Slovak, Slovenian, Sogdian, Somali, Songhai languages, Soninke, Sorbian languages, Sotho, Southern, South American Indian (Other), Southern Altai, Southern Sami, Spanish; Castilian, Sranan Tongo, Sukuma, Sumerian, Sundanese, Susu, Swahili, Swati, Swedish, Swiss German; Alemannic; Alsatian, Syriac, Tagalog, Tahitian, Tai languages, Tajik, Tamashek, Tamil, Tatar, Telugu, Tereno, Tetum, Thai, Tibetan, Tigre, Tigrinya, Timne, Tiv, Tlingit, Tok Pisin, Tokelau, Tonga (Nyasa), Tonga (Tonga Islands), Tsimshian, Tsonga, Tswana, Tumbuka, Tupi languages, Turkish, Turkmen, Tuvalu, Tuvinian, Twi, Udmurt, Ugaritic, Uighur; Uyghur, Ukrainian, Umbundu, Uncoded languages, Undetermined, Upper Sorbian, Urdu, Uzbek, Vai, Venda, Vietnamese, Volapük, Votic, Wakashan languages, Walamo, Walloon, Waray, Washo, Welsh, Western Frisian, Wolof, Xhosa, Yakut, Yao, Yapese, Yiddish, Yoruba, Yupik languages, Zande languages, Zapotec, Zaza; Dimili; Dimli; Kirdki; Kirmanjki; Zazaki, Zenaga, Zhuang; Chuang, Zulu, Zuni) for this property.

362

Application of Gaussian Process Modeling to Analysis of Functional Unreliability  

SciTech Connect (OSTI)

This paper applies Gaussian Process (GP) modeling to analysis of the functional unreliability of a passive system. GPs have been used widely in many ways [1]. The present application uses a GP for emulation of a system simulation code. Such an emulator can be applied in several distinct ways, discussed below. All applications illustrated in this paper have precedents in the literature; the present paper is an application of GP technology to a problem that was originally analyzed [2] using neural networks (NN), and later [3, 4] by a method called Alternating Conditional Expectations (ACE). This exercise enables a multifaceted comparison of both the processes and the results. Given knowledge of the range of possible values of key system variables, one could, in principle, quantify functional unreliability by sampling from their joint probability distribution, and performing a system simulation for each sample to determine whether the function succeeded for that particular setting of the variables. Using previously available system simulation codes, such an approach is generally impractical for a plant-scale problem. It has long been recognized, however, that a well-trained code emulator or surrogate could be used in a sampling process to quantify certain performance metrics, even for plant-scale problems. Response surfaces were used for this many years ago. But response surfaces are at their best for smoothly varying functions; in regions of parameter space where key system performance metrics may behave in complex ways, or even exhibit discontinuities, response surfaces are not the best available tool. This consideration was one of several that drove the work in [2]. In the present paper, (1) the original quantification of functional unreliability using NN [2], and later ACE [3], is reprised using GP; (2) additional information provided by the GP about uncertainty in the limit surface, generally unavailable in other representations, is discussed; (3) a simple forensic exercise is performed, analogous to the inverse problem of code calibration, but with an accident management spin: given an observation about containment pressure, what can we say about the system variables? References 1. For an introduction to GPs, see (for example) Gaussian Processes for Machine Learning, C. E. Rasmussen and C. K. I. Williams (MIT, 2006). 2. Reliability Quantification of Advanced Reactor Passive Safety Systems, J. J. Vandenkieboom, PhD Thesis (University of Michigan, 1996). 3. Z. Cui, J. C. Lee, J. J. Vandenkieboom, and R. W. Youngblood, Unreliability Quantification of a Containment Cooling System through ACE and ANN Algorithms, Trans. Am. Nucl. Soc. 85, 178 (2001). 4. Risk and Safety Analysis of Nuclear Systems, J. C. Lee and N. J. McCormick (Wiley, 2011). See especially 11.2.4.

R. Youngblood

2014-06-01T23:59:59.000Z

363

A sensitivity analysis of the WIPP disposal room model: Phase 1  

SciTech Connect (OSTI)

The WIPP Disposal Room Model (DRM) is a numerical model with three major components constitutive models of TRU waste, crushed salt backfill, and intact halite -- and several secondary components, including air gap elements, slidelines, and assumptions on symmetry and geometry. A sensitivity analysis of the Disposal Room Model was initiated on two of the three major components (waste and backfill models) and on several secondary components as a group. The immediate goal of this component sensitivity analysis (Phase I) was to sort (rank) model parameters in terms of their relative importance to model response so that a Monte Carlo analysis on a reduced set of DRM parameters could be performed under Phase II. The goal of the Phase II analysis will be to develop a probabilistic definition of a disposal room porosity surface (porosity, gas volume, time) that could be used in WIPP Performance Assessment analyses. This report documents a literature survey which quantifies the relative importance of the secondary room components to room closure, a differential analysis of the creep consolidation model and definition of a follow-up Monte Carlo analysis of the model, and an analysis and refitting of the waste component data on which a volumetric plasticity model of TRU drum waste is based. A summary, evaluation of progress, and recommendations for future work conclude the report.

Labreche, D.A.; Beikmann, M.A. [RE/SPEC, Inc., Albuquerque, NM (United States); Osnes, J.D. [RE/SPEC, Inc., Rapid City, SD (United States); Butcher, B.M. [Sandia National Labs., Albuquerque, NM (United States)

1995-07-01T23:59:59.000Z

364

E-Print Network 3.0 - assessing alternative conceptual Sample...  

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

a fine-tuned profile... in our construction of a comprehensive conceptual framework to support and assess students' integrated... (both conceptual and mathematical) to the physical...

365

Advanced turbine systems: Studies and conceptual design  

SciTech Connect (OSTI)

The ABB selection for the Advanced Turbine System (ATS) includes advanced developments especially in the hot gas path of the combustion turbine and new state-of-the-art units such as the steam turbine and the HRSG. The increase in efficiency by more than 10% multiplicative compared to current designs will be based on: (1) Turbine Inlet Temperature Increase; (2) New Cooling Techniques for Stationary and Rotating Parts; and New Materials. Present, projected component improvements that will be introduced with the above mentioned issues will yield improved CCSC turbine performance, which will drive the ATS selected gas-fired reference CC power plant to 6 % LHV or better. The decrease in emission levels requires a careful optimization of the cycle design, where cooling air consumption has to be minimized. All interfaces of the individual systems in the complete CC Plant need careful checks, especially to avoid unnecessary margins in the individual designs. This study is an important step pointing out the feasibility of the ATS program with realistic goals set by DOE, which, however, will present challenges for Phase II time schedule of 18 months. With the approach outlined in this study and close cooperation with DOE, ATS program success can be achieved to deliver low emissions and low cost of electricity by the year 2002. The ABB conceptual design and step approach will lead to early component demonstration which will help accelerate the overall program objectives.

van der Linden, S.; Gnaedig, G.; Kreitmeier, F.

1993-11-01T23:59:59.000Z

366

SECONDARY WASTE/ETF (EFFLUENT TREATMENT FACILITY) PRELIMINARY PRE-CONCEPTUAL ENGINEERING STUDY  

SciTech Connect (OSTI)

This pre-conceptual engineering study is intended to assist in supporting the critical decision (CD) 0 milestone by providing a basis for the justification of mission need (JMN) for the handling and disposal of liquid effluents. The ETF baseline strategy, to accommodate (WTP) requirements, calls for a solidification treatment unit (STU) to be added to the ETF to provide the needed additional processing capability. This STU is to process the ETF evaporator concentrate into a cement-based waste form. The cementitious waste will be cast into blocks for curing, storage, and disposal. Tis pre-conceptual engineering study explores this baseline strategy, in addition to other potential alternatives, for meeting the ETF future mission needs. Within each reviewed case study, a technical and facility description is outlined, along with a preliminary cost analysis and the associated risks and benefits.

MAY TH; GEHNER PD; STEGEN GARY; HYMAS JAY; PAJUNEN AL; SEXTON RICH; RAMSEY AMY

2009-12-28T23:59:59.000Z

367

ACTINIDE REMOVAL PROCESS SAMPLE ANALYSIS, CHEMICAL MODELING, AND FILTRATION EVALUATION  

SciTech Connect (OSTI)

Filtration within the Actinide Removal Process (ARP) currently limits the throughput in interim salt processing at the Savannah River Site. In this process, batches of salt solution with Monosodium Titanate (MST) sorbent are concentrated by crossflow filtration. The filtrate is subsequently processed to remove cesium in the Modular Caustic Side Solvent Extraction Unit (MCU) followed by disposal in saltstone grout. The concentrated MST slurry is washed and sent to the Defense Waste Processing Facility (DWPF) for vitrification. During recent ARP processing, there has been a degradation of filter performance manifested as the inability to maintain high filtrate flux throughout a multi-batch cycle. The objectives of this effort were to characterize the feed streams, to determine if solids (in addition to MST) are precipitating and causing the degraded performance of the filters, and to assess the particle size and rheological data to address potential filtration impacts. Equilibrium modelling with OLI Analyzer{sup TM} and OLI ESP{sup TM} was performed to determine chemical components at risk of precipitation and to simulate the ARP process. The performance of ARP filtration was evaluated to review potential causes of the observed filter behavior. Task activities for this study included extensive physical and chemical analysis of samples from the Late Wash Pump Tank (LWPT) and the Late Wash Hold Tank (LWHT) within ARP as well as samples of the tank farm feed from Tank 49H. The samples from the LWPT and LWHT were obtained from several stages of processing of Salt Batch 6D, Cycle 6, Batch 16.

Martino, C.; Herman, D.; Pike, J.; Peters, T.

2014-06-05T23:59:59.000Z

368

Microsoft Word - Conceptual Design Report Final.doc  

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

Battelle Energy Alliance Battelle Energy Alliance Conceptual Design for a Large- Diameter Natural Gas Pipeline Inspection Platform Derek Wadsworth Matthew Anderson Douglas Few Allen Anderson James Hanneman June 2005 Conceptual Design for a Large-Diameter Natural Gas Pipeline Inspection Platform Derek Wadsworth Matthew Anderson Douglas Few Allen Anderson James Hanneman June 2005 Idaho National Engineering and Environmental Laboratory Robotics and Human Systems Idaho Falls, Idaho 83415 Prepared for the U.S. Department of Energy National Energy Technology Laboratory Under DOE Idaho Operations Office Contract DE-AC07-99ID13727 INTELLIGENT PLATFORM FOR INTERNAL PIPELINE EXAMINATION - CONCEPTUAL DESIGN i LIST OF TABLES ........................................................................................................................

369

Stochastic Gust Analysis Techniques for Aircraft Conceptual Design  

E-Print Network [OSTI]

employs Lyapunov and matched filter theory methods to address the stochastic nature of the gust response loads are already being incorporated into commercial aircraft; future environ- mental prospects demand, Massachusetts Institute of Technology. §Professor, AIAA Fellow, Department of Aeronautics and Astronautics, St

Stanford University

370

Analysis and Reduction of Power Grid Models under Uncertainty Sandia National Laboratories  

E-Print Network [OSTI]

1.30pm Analysis and Reduction of Power Grid Models under Uncertainty Habib Najm Sandia National Laboratories Abstract The increased utilization of alternative energy sources requires that evolving power grid Uncertainty Eigenproblem Closure Analysis and Reduction of Power Grid Models under Uncertainty H.N. Najm

Levi, Anthony F. J.

371

Topic analysis of web user behavior using LDA model on proxy logs  

Science Journals Connector (OSTI)

We propose a web user profiling and clustering framework based on LDA-based topic modeling with an analogy to document analysis in which documents and words represent users and their actions. The main technical challenge addressed here is how to symbolize ... Keywords: latent dirichlet allocation, proxy logs based analysis, topic modeling, web user clustering

Hiroshi Fujimoto; Minoru Etoh; Akira Kinno; Yoshikazu Akinaga

2011-05-01T23:59:59.000Z

372

Global sensitivity analysis in the development of first principle-based eutrophication models  

Science Journals Connector (OSTI)

In this work, we formulate a dynamic first principle-based eutrophication model for a reservoir and perform global sensitivity analysis to determine most influential parameters. Both first-order and total sensitivity indices profiles have been calculated ... Keywords: Eutrophication, First principle-based water quality model, Global sensitivity analysis, Sensitivity indices

V. Estrada; M. S. Diaz

2010-12-01T23:59:59.000Z

373

REMES Tool-chain A Set of Integrated Tools for Behavioral Modeling and Analysis of Embedded  

E-Print Network [OSTI]

components, (ii) a REMES simulator to test timing and resource behavior prior to formal analysis, and (iii and Subject Descriptors I.6.4 [Computing Methodologies]: Simulation and Modeling-- Model Validation and Analysis; D.2.2 [Software Engineering]: Design Tool and Techniques General Terms Design, Performance

Becker, Steffen

374

Longitudinal Data Analysis Using Multilevel Linear Modeling (MLM): Fitting an Optimal Variance-Covariance Structure  

E-Print Network [OSTI]

LONGITUDINAL DATA ANALYSIS USING MULTILEVEL LINEAR MODELING (MLM): FITTING AN OPTIMAL VARIANCE-COVARIANCE STRUCTURE A Dissertation by YUAN-HSUAN LEE Submitted to the Office of Graduate Studies of Texas A&M University... in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY August 2010 Major Subject: Educational Psychology Longitudinal Data Analysis Using Multilevel Linear Modeling (MLM...

Lee, Yuan-Hsuan

2011-10-21T23:59:59.000Z

375

MODELING AND ANALYSIS OF CHEMILUMINESCENCE SENSING FOR SYNGAS, METHANE AND JET-A COMBUSTION  

E-Print Network [OSTI]

MODELING AND ANALYSIS OF CHEMILUMINESCENCE SENSING FOR SYNGAS, METHANE AND JET-A COMBUSTION of Technology August 2008 #12;MODELING AND ANALYSIS OF CHEMILUMINESCENCE SENSING FOR SYNGAS, METHANE AND JET-A COMBUSTION Approved by: Dr. Jerry M. Seitzman, Advisor School of Aerospace Engineering Georgia Institute

Seitzman, Jerry M.

376

A methodology for global-sensitivity analysis of time-dependent outputs in systems biology modelling  

Science Journals Connector (OSTI)

...on a desktop computer. This is compared...features of the system. The important...resistance. The analysis also identified...and uncertainty analysis: applications to large-scale systems, vol. 2. Boca...for sensitivity analysis of large models...European Symp. on Computer Aided Process...

2012-01-01T23:59:59.000Z

377

Update 1 to: A Dispersion Modeling Analysis of Downwash from Mirant's  

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

Update 1 to: A Dispersion Modeling Analysis of Downwash from Update 1 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant, Modeling Unit 1 Emissions in a Cycling Mode Update 1 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant, Modeling Unit 1 Emissions in a Cycling Mode Docket No. EO-05-01. This report describes dispersion modeling performed for Unit 1 at Mirant's Potomac River Generating Station. The modeling was performed according to the Protocol approved by the Virginia Department of Environmental Quality. The purpose of the modeling was to demonstrate that Unit 1 operating alone under specific loads and during certain periods in a calendar day will not cause or contribute to exceedances of the National Ambient Air Quality Standards (NAAQS).

378

Technical Cost Modeling - Life Cycle Analysis Basis for Program...  

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

processing technology data based on actual experimental data - SimaPro - a commercial LCA software package used for life cycle analysis Source: Powell et. al (2010) 13 Managed...

379

Fuel-Coolant-Interaction modeling and analysis work for the High Flux Isotope Reactor Safety Analysis Report  

SciTech Connect (OSTI)

A brief historical background and a description of short- and long-term task plan development for effective closure of this important safety issue for the HFIR are given. Short-term aspects deal with Fuel-Coolant-Interaction (FCI) issues experimentation, modeling, and analysis for the flow-blockage-induced steam explosion events in direct support of the SAR. Long-term aspects deal with addressing FCI issues resulting from other accidents in conjunction with issues dealing with aluminum ignition, which can result in an order of magnitude increase in overall energetics. Problem formulation, modeling, and computer code simulation for the various phases of steam explosions are described. The evaluation of core melt initiation propagation, and melt superheat are described. Core melt initiation and propagation have been studied using simple conservative models as well as from modeling and analysis using RELAP5. Core debris coolability, heatup, and melting/freezing aspects have been studied by use of the two-dimensional melting/freezing analysis code 2DKO, which was also benchmarked with MELCOR code predictions. Descriptions are provided for the HM, BH, FCIMOD, and CTH computer codes that have been implemented for studying steam explosion energetics from the standpoint of evaluating bounding loads by thermodynamic models or best-estimate loads from one- and two-dimensional simulations of steam explosion energetics. Vessel failure modeling and analysis was conducted using the principles of probabilistic fracture mechanics in conjunction with ADINA code calculations. Top head bolts failure modeling has also been conducted where the failure criterion was based upon stresses in the bolts exceeding the material yield stress for a given time duration. Missile transport modeling and analysis was conducted by setting up a one-dimensional mathematical model that accounts for viscous dissipation, virtual mass effects, and material inertia.

Taleyarkhan, R.P.; Georgevich, V.; Nestor, C.W.; Chang, S.J.; Freels, J.; Gat, U.; Lepard, B.L.; Gwaltney, R.C.; Luttrell, C.; Kirkpatrick, J.

1993-07-01T23:59:59.000Z

380

Modeling aviation's global emissions, uncertainty analysis, and applications to policy  

E-Print Network [OSTI]

(cont.) fuel burn results below 3000 ft. For emissions, the emissions indices were the most influential uncertainties for the variance in model outputs. By employing the model, this thesis examined three policy options for ...

Lee, Joosung Joseph, 1974-

2005-01-01T23:59:59.000Z

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


381

Modeling control room crews for accident sequence analysis  

E-Print Network [OSTI]

This report describes a systems-based operating crew model designed to simulate the behavior of an nuclear power plant control room crew during an accident scenario. This model can lead to an improved treatment of potential ...

Huang, Y. (Yuhao)

1991-01-01T23:59:59.000Z

382

From Whiteboard to Model: A Preliminary Analysis Praveen Paritosh1  

E-Print Network [OSTI]

such as the migration of killer bees and the efficacy of carbon sequestration. Unlike theories, models describe specific

Forbus, Kenneth D.

383

Model Development and Analysis of the Fate and Transport of Water in a Salt  

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

Model Development and Analysis of the Fate and Transport of Water Model Development and Analysis of the Fate and Transport of Water in a Salt Based Repository Model Development and Analysis of the Fate and Transport of Water in a Salt Based Repository The study summarizes the initial work on numerical modeling, simulations, and experimental results related to nuclear waste storage in a salt repository. The study reflects the project's preliminary effort at simulating the fluid flow and heat transport processes, before treating the fully coupled thermal-mechanical-hydrologic-chemical (TMHC) coupled processes in the future. Model Development and Analysis of the Fate and Transport of Water in a Salt Based Repository More Documents & Publications Coupled Model for Heat and Water Transport in a High Level Waste Repository

384

SURVEY, ANALYSIS AND VALIDATION OF INFORMATION FOR BUSINESS PROCESS MODELING  

E-Print Network [OSTI]

implementation. In the past, the business has been only represented with hierarchical models business or outsourcing opportunities. ­ To develop an Information systems Architecture, that uses in the future. The process of modeling these two approaches is not the same. The As Is modeling follows a bottom

385

A Constraint-Aided Conceptual Design Environment for Autodesk Inventor  

Science Journals Connector (OSTI)

Engineering conceptual design can be defined as that phase of the product development process during which the designer takes a specification for a product to be designed and generates many broad solutions for it...

Alan Holland; Barry OCallaghan

2003-01-01T23:59:59.000Z

386

A Conceptual Framework for Building CIM-Based Ontologies  

Science Journals Connector (OSTI)

Cooperative Management has appeared as a promising paradigm on which Network and System Management (NSM) solutions should be partially or entirely based. This paper proposes a conceptual framework to obtain, from...

Emmanuel Lavinal; Thierry Desprats; Yves Raynaud

2003-01-01T23:59:59.000Z

387

A Semi-Passive Containment Cooling System Conceptual Design  

E-Print Network [OSTI]

The objective of this project was to investigate a passive containment cooling system (PCCS) for the double concrete containment of the Korean Next Generation Reactor (KNGR). Two conceptual PCCS designs: the thermosyphon ...

Liu, H.

388

Managing uncertainty in space systems conceptual design using portfolio theory  

E-Print Network [OSTI]

One of the most significant challenges in conceptual design is managing the tradespace of potential architectures-choosing which design to pursue aggressively, which to keep on the table and which to leave behind. This ...

Walton, Myles Alexander, 1975-

2002-01-01T23:59:59.000Z

389

Tropical atmosphere - Ocean interactions in a conceptual framework  

E-Print Network [OSTI]

Statistical analysis of observations (including atmospheric reanalysis and forced ocean model simulations) is used to address two questions: First, does an analogous mechanism to that of El NioSouthern Oscillation (ENSO) ...

Jansen, Malte Friedrich

390

Enhanced oil recovery data base analysis by simplified predictive models  

SciTech Connect (OSTI)

The U.S. Department of Energy, Bartlesville Energy Technology Center (BETC), has been developing computerized data bases and simplified predictive models to be used to predict enhanced oil recovery (EOR) potential in the U.S. The development phase of this work is nearing completion whereupon the models and data bases will be made available to the public. This paper describes the overall development phase for the models and data bases with analyses of selected EOR projects using the predictive models. Examples of model outputs are discussed and brief descriptions of the predictive algorithms are given.

Ray, R.M.; Wesson, T.C.

1982-11-01T23:59:59.000Z

391

Analysis and reduction of chemical models under uncertainty.  

SciTech Connect (OSTI)

While models of combustion processes have been successful in developing engines with improved fuel economy, more costly simulations are required to accurately model pollution chemistry. These simulations will also involve significant parametric uncertainties. Computational singular perturbation (CSP) and polynomial chaos-uncertainty quantification (PC-UQ) can be used to mitigate the additional computational cost of modeling combustion with uncertain parameters. PC-UQ was used to interrogate and analyze the Davis-Skodje model, where the deterministic parameter in the model was replaced with an uncertain parameter. In addition, PC-UQ was combined with CSP to explore how model reduction could be combined with uncertainty quantification to understand how reduced models are affected by parametric uncertainty.

Oxberry, Geoff; Debusschere, Bert J.; Najm, Habib N.

2008-08-01T23:59:59.000Z

392

Economics definitions, methods, models, and analysis procedures for Homeland Security applications.  

SciTech Connect (OSTI)

This report gives an overview of the types of economic methodologies and models used by Sandia economists in their consequence analysis work for the National Infrastructure Simulation&Analysis Center and other DHS programs. It describes the three primary resolutions at which analysis is conducted (microeconomic, mesoeconomic, and macroeconomic), the tools used at these three levels (from data analysis to internally developed and publicly available tools), and how they are used individually and in concert with each other and other infrastructure tools.

Ehlen, Mark Andrew; Loose, Verne William; Vargas, Vanessa N.; Smith, Braeton J.; Warren, Drake E.; Downes, Paula Sue; Eidson, Eric D.; Mackey, Greg Edward

2010-01-01T23:59:59.000Z

393

Update 6 to: A Dispersion Modeling Analysis of Downwash from Mirant's  

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

6 to: A Dispersion Modeling Analysis of Downwash from 6 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant Modeling Baseload Units 3,4,5 Update 6 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant Modeling Baseload Units 3,4,5 Docket No. EO-05-01: This report describes dispersion modeling performed for simultaneous operation of three baseload units at Mirant's Potomac River Generating Station (PRGS). The units (3,4,5) would operate at maximum load (107 MW) for up to 12 hours and minimum load (35 MW) 12 hours or more in a calendar day. This mode of operation is also referred to as Option B in Mirant Potomac River LLC's December 30, 2005 letter to the U.S. Department of Energy regarding District of Columbia Public Service Commission, Docket No. EO-05-01. The modeling was performed according to

394

Update 2 to: A Dispersion Modeling Analysis of Downwash from Mirant's  

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

2 to: A Dispersion Modeling Analysis of Downwash from 2 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant, Modeling Unit 1 Emissions at Maximum and Minimum Loads Update 2 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant, Modeling Unit 1 Emissions at Maximum and Minimum Loads Docket No. EO-05-01. This report describes AERMOD modeling results performed for Unit 1 at Mirant's Potomac River Generating Station. The purpose of these runs was to demonstrate that operation of Unit 1 for 24 hours a day loads from 35MW to 88 MW with the use of trona to reduce SO2 emissions will not cause or contribute to modeled excceedences of the National Ambient Air Quality Standards (NAAQS). Mirant proposes to use trona on an as needed basis to limit SO2 emissions to less than

395

Update 5 to: A Dispersion Modeling Analysis of Downwash from Mirant's  

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

5 to: A Dispersion Modeling Analysis of Downwash from 5 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant: Modeling Cycling Units 1, 2 plus One Baseload Unit Update 5 to: A Dispersion Modeling Analysis of Downwash from Mirant's Potomac River Power Plant: Modeling Cycling Units 1, 2 plus One Baseload Unit Docket No. EO-05-01: This report describes dispersion modeling performed for simultaneous operation of one baseload unit and two cycling units at Mirant's Potomac River Generating Station (PRGS). This mode of operation is also referred to as Option A in Mirant Potomac River LLC's December 30, 2005 letter to the U.S. Department of Energy regarding District of Columbia Public Service Commission, Docket No. EO-05- 01. The modeling was performed according to the Protocol approved by the Virginia Department of

396

Global horizontal irradiance clear sky models : implementation and analysis.  

SciTech Connect (OSTI)

Clear sky models estimate the terrestrial solar radiation under a cloudless sky as a function of the solar elevation angle, site altitude, aerosol concentration, water vapor, and various atmospheric conditions. This report provides an overview of a number of global horizontal irradiance (GHI) clear sky models from very simple to complex. Validation of clear-sky models requires comparison of model results to measured irradiance during clear-sky periods. To facilitate validation, we present a new algorithm for automatically identifying clear-sky periods in a time series of GHI measurements. We evaluate the performance of selected clear-sky models using measured data from 30 different sites, totaling about 300 site-years of data. We analyze the variation of these errors across time and location. In terms of error averaged over all locations and times, we found that complex models that correctly account for all the atmospheric parameters are slightly more accurate than other models, but, primarily at low elevations, comparable accuracy can be obtained from some simpler models. However, simpler models often exhibit errors that vary with time of day and season, whereas the errors for complex models vary less over time.

Stein, Joshua S.; Hansen, Clifford W.; Reno, Matthew J.

2012-03-01T23:59:59.000Z

397

Analysis of Clustering Coefficients of Online Social Networks by Duplication Models  

E-Print Network [OSTI]

the micro operations that lead to the formation of social networks. The objective is to devise a growthAnalysis of Clustering Coefficients of Online Social Networks by Duplication Models Duan-Shin Lee of online social networks by a duplication model. In this model vertices are added into the network one

Chang, Cheng-Shang

398

COAL: a generic modelling and prototyping framework for convex optimization problems of variational image analysis  

Science Journals Connector (OSTI)

We present the Convex Optimization Algorithms Library COAL, a flexible C++framework for modelling and solving convex optimization problems in connection with variational problems of image analysis. COAL connects solver implementations with specific models ... Keywords: convex optimization, image processing, sparse large-scale programming, variational modelling

Dirk Breitenreicher; Jan Lellmann; Christoph Schnrr

2013-10-01T23:59:59.000Z

399

USING NEUTRAL SPEECH MODELS FOR EMOTIONAL SPEECH ANALYSIS Carlos Busso, Sungbok Lee and Shrikanth S. Narayanan  

E-Print Network [OSTI]

for emotion evaluation. ·Build robust models (many emotionally-neutral databases). Databases ·Reference model). ·Normalized likelihood score are used as fitness measurement (Viterbi decoding). ·Energy normalization: E(NeutralUSING NEUTRAL SPEECH MODELS FOR EMOTIONAL SPEECH ANALYSIS Carlos Busso, Sungbok Lee and Shrikanth S

Busso, Carlos

400

Sensitivity Analysis of Optimal Operation of an Activated Sludge Process Model for Economic Controlled Variable Selection  

E-Print Network [OSTI]

Sensitivity Analysis of Optimal Operation of an Activated Sludge Process Model for Economic operation conducted on an activated sludge process model based on the test-bed benchmark simulation model no structure that leads to optimal economic operation, while promptly rejecting disturbances at lower layers

Skogestad, Sigurd

Note: This page contains sample records for the topic "analysis conceptual model" 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

Current-based 4D shape analysis for the mechanical personalization of heart models  

E-Print Network [OSTI]

Current-based 4D shape analysis for the mechanical personalization of heart models Lo¨ic Le Folgoc1. Abstract. Patient-specific models of the heart may lead to better understanding of cardiovascular diseases-mechanical model of the heart, from the kinematics of the endo- and epicardium, is presented in this paper. We use

Paris-Sud XI, Université de

402

PATCH-BASED MARKOV MODELS FOR CHANGE DETECTION IN IMAGE SEQUENCE ANALYSIS  

E-Print Network [OSTI]

PATCH-BASED MARKOV MODELS FOR CHANGE DETECTION IN IMAGE SEQUENCE ANALYSIS Thierry P image. In this paper, we propose an original patch-based Markov modeling framework to de- tect spatial are then detected. Therefore, we propose an original patch-based Markov modeling that detects irregu- larities

Paris-Sud XI, Université de

403

Pollution Control in a Manufacturing System Stochastic Models for Analysis and Control of Air Pollution  

E-Print Network [OSTI]

Pollution Control in a Manufacturing System Stochastic Models for Analysis and Control of Air models that can be used for controlling pollution in a manufacturing system. The models are developed. Introduction Pollution of air resulting from toxic wastes emitted by large manufacturing plants and power

Gosavi, Abhijit

404

Toward Models for Forensic Analysis Sean Peisert # Matt Bishop + Sidney Karin Keith Marzullo  

E-Print Network [OSTI]

Toward Models for Forensic Analysis Sean Peisert # Matt Bishop + Sidney Karin Keith Marzullo Abstract The existing solutions in the field of computer forensics are largely ad hoc. This paper discusses the need for a rigorous model of forensics and outlines qualities that such a model should possess

Bishop, Matt

405

A performance modeling and analysis environment for reconfigurable computers  

Science Journals Connector (OSTI)

In many of the various layers of software supporting reconfigurable architectures such as compilers, operating systems, synthesis tools, and so forth, a ... power, reliability, cost, and so on. Analysis of Reconf...

Jeffrey Walrath; Ranga Vemuri

1998-01-01T23:59:59.000Z

406

Demand Response Analysis in Smart Grids Using Fuzzy Clustering Model  

Science Journals Connector (OSTI)

This paper focuses on an analysis of demand response in a smart grid context, presenting the ... A fuzzy subtractive clustering method is applied to demand response on several domestic consumption scenarios and r...

R. Pereira; A. Fagundes; R. Melcio

2013-01-01T23:59:59.000Z

407

Sample size in factor analysis: The role of model error  

E-Print Network [OSTI]

This article examines effects of sample size and other design features on correspondence between factors obtained from analysis of sample data and those present in the population from which the samples were drawn. We extend ...

MacCallum, R. C.; Widaman, K. F.; Preacher, K. J.; Hong, Sehee

2001-01-01T23:59:59.000Z

408

H2A Delivery Components Model and Analysis  

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

Hydrogen Delivery Components Model Matt Ringer National Renewable Energy Laboratory February 8, 2005 Other Team Members: Mark Paster: DOE Marianne Mintz, Jerry Gillette, Jay Burke:...

409

Propane demand modeling for residential sectors- A regression analysis.  

E-Print Network [OSTI]

??This thesis presents a forecasting model for the propane consumption within the residential sector. In this research we explore the dynamic behavior of different variables (more)

Shenoy, Nitin K.

2011-01-01T23:59:59.000Z

410

An educational model for ensemble streamflow simulation and uncertainty analysis  

E-Print Network [OSTI]

P. : Advances in real-time flood forecasting, Philos. T.nonstationarity in future flood predictions, Hydrol. Earthrainfallrunoff modeling and flood management en- tails a

AghaKouchak, Amir; Nakhjiri, N.; Habib, E.

2013-01-01T23:59:59.000Z

411

Conceptual process planning an improvement approach using QFD, FMEA, and ABC methods  

Science Journals Connector (OSTI)

Conceptual process planning (CPP) is an important technique for assessing the manufacturability and estimating the cost of conceptual design in the early product design stage. This paper presents an approach to develop a quality/cost-based conceptual process planning (QCCPP). This approach aims to determine key process resources with estimation of manufacturing cost, taking into account the risk cost associated to the process plan. It can serve as a useful methodology to support the decision making during the initial planning stage of the product development cycle. Quality function deployment (QFD) method is used to select the process alternatives by incorporating a capability function for process elements called a composite process capability index (CCP). The quality characteristics and the process elements in QFD method have been taken as input to complete process failure mode and effects analysis (FMEA) table. To estimate manufacturing cost, the proposed approach deploys activity-based costing (ABC) method. Then, an extended technique of classical FMEA method is employed to estimate the cost of risks associated to the studied process plan, this technique is called cost-based FMEA. For each resource combination, the output data is gathered in a selection table that helps for detailed process planning in order to improve product quality/cost ratio. A case study is presented to illustrate this approach.

Alaa Hassan; Ali Siadat; Jean-Yves Dantan; Patrick Martin

2010-01-01T23:59:59.000Z

412

Numerical modelling and analysis of a room temperature magnetic  

E-Print Network [OSTI]

are separated by channels of a heat transfer fluid. The time-dependent model solves the momentum and continuity equations of the flow of the heat transfer fluid and the coupled energy equations of the heat transfer and it was concluded that the model has energy conservation and that the solution is independent of the chosen grid

413

Dipole model analysis of high precision HERA data  

E-Print Network [OSTI]

We analyse, within a dipole model, the inclusive DIS cross section data, obtained from the combination of the H1 and ZEUS HERA measurements. We show that these high precision data are very well described within the dipole model framework, which is complemented with a valence quark structure functions. We discuss the properties of the gluon density obtained in this way.

Agnieszka Luszczak; Henri Kowalski

2013-12-14T23:59:59.000Z

414

DOE Hydrogen Analysis Repository: AirCRED Model  

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

AirCRED Model AirCRED Model Project Summary Full Title: AirCRED Model Project ID: 119 Principal Investigator: Andy Burnham Brief Description: The AirCRED model calculates the emissions reductions achieved through deployment of alternative fuel vehicles. Purpose To assist the U.S. Department of Energy's (DOE's) Clean Cities coalitions in estimating the ozone precursor and winter season carbon monoxide (CO) emission reduction credits earned by acquiring original equipment manufacturer (OEM) alternative fuel vehicles (AFVs), Argonne National Laboratory has developed a graphical user interface (GUI)-based calculation model called AirCRED. Performer Principal Investigator: Andy Burnham Organization: Argonne National Laboratory (ANL) Address: 9700 S. Cass Ave. Argonne, IL 60439

415

DOE Hydrogen Analysis Repository: Hydrogen Fueling Station Economics Model  

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

Fueling Station Economics Model Fueling Station Economics Model Project Summary Full Title: Hydrogen Fueling Station Economics Model Project ID: 193 Principal Investigator: Bill Liss Brief Description: The Gas Technology Institute developed a hydrogen fueling station economics model as part of their project to develop a natural gas to hydrogen fuel station. Keywords: Compressed gas; vehicle; refueling station; cost; natural gas Purpose Calculate hydrogen fueling station costs, including capital, operating, and maintenance costs. Performer Principal Investigator: Bill Liss Organization: Gas Technology Institute Address: 1700 South Mount Prospect Road Des Plains, IL 60018-1804 Telephone: 847-768-0530 Email: william.liss@gastechnology.org Project Description Type of Project: Model Category: Hydrogen Fuel Pathways

416

Analysis of cook-off using logic models  

SciTech Connect (OSTI)

Developing a predictive model for cook-off is a difficult task. Recent experiments with PBX 9501 have shown that under certain heating and confinement conditions it is possible to generate large regions of almost uniform temperature in an explosive. Such regions react violently in a coherent fashion and may have the potential to produce unusually symmetric detonation waves in certain geometries. These results were unexpected before the experiments and have generated considerable additional activity both experimentally and in model building. At this time, there is no unambiguous explanation for the observed behavior, and therefore, there is a considerable number of fledgling models in existence. These models suggest varying and possibly contradictory mechanisms to explain the thermal profiles and wave behavior data. In this paper, we present an approach to model development for cook-off of PBX 9501 based on logic models called process trees. Process trees are well-suited to the task of describing causal sequences and delineating alternative descriptions of observed phenomenology. Therefore, they provide a valuable basis for constructing physical models and integrating them.

Luck, L. B.

2001-01-01T23:59:59.000Z

417

Conceptual plan: Two-Phase Flow Laboratory Program for the Waste Isolation Pilot Plant  

SciTech Connect (OSTI)

The Salado Two-Phase Flow Laboratory Program was established to address concerns regarding two-phase flow properties and to provide WIPP-specific, geologically consistent experimental data to develop more appropriate correlations for Salado rock to replace those currently used in Performance Assessment models. Researchers in Sandia`s Fluid Flow and Transport Department originally identified and emphasized the need for laboratory measurements of Salado threshold pressure and relative permeability. The program expanded to include the measurement of capillary pressure, rock compressibility, porosity, and intrinsic permeability and the assessment of core damage. Sensitivity analyses identified the anhydrite interbed layers as the most likely path for the dissipation of waste-generated gas from waste-storage rooms because of their relatively high permeability. Due to this the program will initially focus on the anhydrite interbed material. The program may expand to include similar rock and flow measurements on other WIPP materials including impure halite, pure halite, and backfill and seal materials. This conceptual plan presents the scope, objectives, and historical documentation of the development of the Salado Two-Phase Flow Program through January 1993. Potential laboratory techniques for assessing core damage and measuring porosity, rock compressibility, capillary and threshold pressure, permeability as a function of stress, and relative permeability are discussed. Details of actual test designs, test procedures, and data analysis are not included in this report, but will be included in the Salado Two-Phase Flow Laboratory Program Test Plan pending the results of experimental and other scoping activities in FY93.

Howarth, S.M.

1993-07-01T23:59:59.000Z

418

Integrated coal preparation and CWF processing plant: Conceptual design and costing  

SciTech Connect (OSTI)

At the request of the US Department of Energy (DOE), Pittsburgh Energy Technology Center, a study was conducted to provide DOE with a reliable, documented estimate of the cost of producing coal-water fuel (CWF). The approach to the project was to specify a plant capacity and location, identify and analyze a suitable coal, and develop a conceptual design for an integrated coal preparation and CWF processing plant. Using this information, a definitive costing study was then conducted, on the basis of which an economic and sensitivity analysis was performed utilizing a financial evaluation model to determine a price for CWF in 1992. The design output of the integrated plant is 200 tons of coal (dry basis) per hour. Operating at a capacity factor of 83 percent, the baseline design yields approximately 1.5 million tons per year of coal on a dry basis. This is approximately equivalent to the fuel required to continuously generate 500 MW of electric power. The CWF produced by the plant is intended as a replacement for heavy oil or gas in electric utility and large industrial boilers. The particle size distribution, particularly the top size, and the ash content of the coal in the CWF are specified at significantly lower levels than is commonly found in typical pulverized coal grinds. The particle top size is 125 microns (vs typically 300m[mu] for pulverized coal) and the coal ash content is 3.8 percent. The lower top size is intended to promote complete carbon burnout at less derating in boilers that are not designed for coal firing. The reduced mineral matter content will produce ash of very fine particle size during combustion, which leads to less impaction and reduced fouling of tubes in convective passages.

McHale, E.T.; Paul, A.D.; Bartis, J.T. (Science Applications International Corp., McLean, VA (United States)); Korkmaz, M. (Roberts and Schaefer Co., Salt Lake City, UT (United States))

1992-12-01T23:59:59.000Z

419

Integrated coal preparation and CWF processing plant: Conceptual design and costing. Final technical report  

SciTech Connect (OSTI)

At the request of the US Department of Energy (DOE), Pittsburgh Energy Technology Center, a study was conducted to provide DOE with a reliable, documented estimate of the cost of producing coal-water fuel (CWF). The approach to the project was to specify a plant capacity and location, identify and analyze a suitable coal, and develop a conceptual design for an integrated coal preparation and CWF processing plant. Using this information, a definitive costing study was then conducted, on the basis of which an economic and sensitivity analysis was performed utilizing a financial evaluation model to determine a price for CWF in 1992. The design output of the integrated plant is 200 tons of coal (dry basis) per hour. Operating at a capacity factor of 83 percent, the baseline design yields approximately 1.5 million tons per year of coal on a dry basis. This is approximately equivalent to the fuel required to continuously generate 500 MW of electric power. The CWF produced by the plant is intended as a replacement for heavy oil or gas in electric utility and large industrial boilers. The particle size distribution, particularly the top size, and the ash content of the coal in the CWF are specified at significantly lower levels than is commonly found in typical pulverized coal grinds. The particle top size is 125 microns (vs typically 300m{mu} for pulverized coal) and the coal ash content is 3.8 percent. The lower top size is intended to promote complete carbon burnout at less derating in boilers that are not designed for coal firing. The reduced mineral matter content will produce ash of very fine particle size during combustion, which leads to less impaction and reduced fouling of tubes in convective passages.

McHale, E.T.; Paul, A.D.; Bartis, J.T. [Science Applications International Corp., McLean, VA (United States); Korkmaz, M. [Roberts and Schaefer Co., Salt Lake City, UT (United States)

1992-12-01T23:59:59.000Z

420

Conceptual Model At Raft River Geothermal Area (1983) | Open...  

Open Energy Info (EERE)

that helps determine the geology and alteration References Blackett, R.E.; Kolesar, P.T. (1 January 1983) Geology and alteration of the Raft River geothermal system, Idaho...

Note: This page contains sample records for the topic "analysis conceptual model" 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

Supply chain design: a conceptual model and tactical simulations  

E-Print Network [OSTI]

experience to my education, and Dr. Narayanan for always stepping up in my time of need. Thanks to Dr. Bala Shetty for facilitating the opportunities I have enjoyed while at Texas A&M. My Ph.D. experience would have been much more difficult if not for my...

Brann, Jeremy Matthew

2009-05-15T23:59:59.000Z

422

Effects of stochastic parametrization on conceptual climate models  

Science Journals Connector (OSTI)

...is an effective heat capacity. The Earth loses energy...and globally averaged solar flux Q (approx. 342m2...the progression of the solar forcing cycle as the...response lagging the solar forcing by approximately...Nicolis 1982). This capacity for appropriately scaled...

2008-01-01T23:59:59.000Z

423

Conceptual Model At Dixie Valley Geothermal Area (Thompson, Et...  

Open Energy Info (EERE)

1984. References George A. Thompson, Laurent J. Meister, Alan T. Herring, Thomas E. Smith, Dennis B. Burke, Robert L. Kovach, Robert O. Burford, Iraj A. Salehi, M. Darroll Wood...

424

Conceptual Model At Long Valley Caldera Geothermal Area (Sorey...  

Open Energy Info (EERE)

studies, and seem to prove useful in most cases (Flexser, 1991; Goff et al., 1991; Smith and Suemnicht, 1991). Results from these studies are also summarized in Sorey et al....

425

Conceptual Model At Valles Caldera - Sulphur Springs Geothermal...  

Open Energy Info (EERE)

Exploration Basis This review integrates data from VC-1 and from select geothermal test wells of the Fenton Hill Hot Dry Rock and Baca Geothermal projects in order to construct a...

426

HISTORICAL DELTA LANDSCAPES Conceptual models for building a  

E-Print Network [OSTI]

: Feather to Stanislaus along the 25-ft contour #12;YOLO BASIN NORTHEAST DELTA EAST DELTA CENTRAL DELTA SOUTH DELTA #12;YOLO BASIN LANDSCAPE #12;"Putu [sic] and Cache creeks...form in the rainy season a lake/lakes riparian gallery forest on natural levees YOLO BASIN #12;NORTHEAST DELTA LANDSCAPE #12;"Between this body

427

Research and evaluation of biomass resources/conversion/utilization systems (market/experimental analysis for development of a data base for a fuels from biomass model). Quarterly technical progress report, November 1, 1979-January 31, 1980  

SciTech Connect (OSTI)

The biomass allocation model has been developed and is undergoing testing. Data bases for biomass feedstock and thermochemical products are complete. Simulated data on process efficiency and product costs are being used while more accurate data are being developed. Market analyses data are stored for the biomass allocation model. The modeling activity will assist in providing process efficiency information required for the allocation model. Process models for entrained bed and fixed bed gasifiers based on coal have been adapted to biomass. Fuel product manufacturing costs will be used as inputs for the data banks of the biomass allocations model. Conceptual economics have been generated for seven of the fourteen process configurations via a biomass economic computer program. The PDU studies are designed to demonstrate steady state thermochemical conversions of biomass to fuels in fluidized, moving and entrained bed reactor configurations. Pulse tests in a fluidized bed to determine the effect of particle size on reaction rates and product gas composition have been completed. Two hour shakedown tests using peanut hulls and wood as the biomass feedstock and the fluidized bed reactor mode have been carried out. A comparison was made of the gas composition using air and steam - O/sub 2/. Biomass thermal profiles and biomass composition information shall be provided. To date approximately 70 biomass types have been collected. Chemical characterization of this material has begun. Thermal gravimetric, pyrogaschromatographic and effluent gas analysis has begun on pelletized samples of these biomass species.

Ahn, Y.K.; Chen, Y.C.; Chen, H.T.; Helm, R.W.; Nelson, E.T.; Shields, K.J.; Stringer, R.P.; Bailie, R.C.

1980-01-01T23:59:59.000Z

428

A three-phase converter model for harmonic analysis of HVDC systems  

SciTech Connect (OSTI)

An equivalent circuit model is presented to model bridge converters for three-phase HVDC harmonic power flow analysis. The validity and accuracy of the model are verified by comparing simulation results against field test results. The model is interfaced with a multiphase harmonic load flow program to investigate the generation of non-characteristic harmonics from HVDC links and the flow of HVDC harmonics in a real system.

Xu, W.; Drakos, J.E.; Mansour, Y.; Chang, A. (B.C. Hydro, Burnaby, British Columbia (Canada))

1994-07-01T23:59:59.000Z

429

A conceptual redesign of an Inter-Building Fuel Transfer Cask  

SciTech Connect (OSTI)

The Inter-Building Fuel Transfer Cask, referred to as the IBC, is a lead shielded cask for transporting subassemblies between buildings on the Argonne National Laboratory-West site near Idaho Falls, Idaho. The cask transports both newly fabricated and spent reactor subassemblies between the Experimental Breeder Reactor-II (EBR-II), the Fuel Cycle Facility (FCF) and the Hot Fuel Examination Facility (HFEF). The IBC will play a key role in the Integral Fast Reactor (IFR) fuel recycling demonstration project. This report discusses a conceptual redesign of the IBC which has been performed. The objective of the conceptual design was to increase the passive heat removal capabilities, reduce the personnel radiation exposure and incorporate enhanced safety features into the design. The heat transfer, radiation and thermal-hydraulic properties of the IBC were analytically modelled to determine the principal factors controlling the desip. The scoping studies that were performed determined the vital physical characteristics (i.e., size, shielding, pumps, etc.) of the MC conceptual design.

Klann, R.T.; Picker, B.A. Jr.

1993-01-01T23:59:59.000Z

430

A conceptual redesign of an Inter-Building Fuel Transfer Cask  

SciTech Connect (OSTI)

The Inter-Building Fuel Transfer Cask, referred to as the IBC, is a lead shielded cask for transporting subassemblies between buildings on the Argonne National Laboratory-West site near Idaho Falls, Idaho. The cask transports both newly fabricated and spent reactor subassemblies between the Experimental Breeder Reactor-II (EBR-II), the Fuel Cycle Facility (FCF) and the Hot Fuel Examination Facility (HFEF). The IBC will play a key role in the Integral Fast Reactor (IFR) fuel recycling demonstration project. This report discusses a conceptual redesign of the IBC which has been performed. The objective of the conceptual design was to increase the passive heat removal capabilities, reduce the personnel radiation exposure and incorporate enhanced safety features into the design. The heat transfer, radiation and thermal-hydraulic properties of the IBC were analytically modelled to determine the principal factors controlling the desip. The scoping studies that were performed determined the vital physical characteristics (i.e., size, shielding, pumps, etc.) of the MC conceptual design.

Klann, R.T.; Picker, B.A. Jr.

1993-03-01T23:59:59.000Z

431

H2A Hydrogen Delivery Infrastructure Analysis Models and Conventional Pathway Options Analysis Results- Interim Report  

Broader source: Energy.gov [DOE]

An in-depth comparative analysis of promising infrastructure options for hydrogen delivery and distribution to refueling stations from central, semi-central, and distributed production facilities.

432

DOE Hydrogen Analysis Repository: Second Generation Model (SGM)  

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

Second Generation Model (SGM) Second Generation Model (SGM) Project Summary Full Title: Second Generation Model (SGM) Project ID: 166 Principal Investigator: Roland Sands Brief Description: The SGM projects economic activity, energy consumption and greenhouse gas emissions for each region in five-year time steps from 1990 through 2050. Purpose Project economic activity, energy consumption and greenhouse gas emissions for various regions. Performer Principal Investigator: Roland Sands Organization: Pacific Northwest National Laboratory (PNNL) Address: 8400 Baltimore Avenue, JGCRI College Park, MD 20740 Telephone: 301-314-6765 Email: roland.sands@pnl.gov Project Description Type of Project: Model Category: Energy Infrastructure, Environmental, Macro-Economic User Inputs: Factor productivity growth rates by sector (9 in SGM 98) and region; capital stocks by vintage, demographic determinants (endogenous demographics), fossil and non-fossil fuel resources

433

Bayesian Modeling and Analysis for Gradients in Spatiotemporal Processes  

E-Print Network [OSTI]

form for total air pollution measurements. Computationalanalysis of the California air pollution data, supplying theair quality warnings, public health officials rely on statistical models to predict each days pollution

Quick, Harrison; Banerjee, Sudipto; Carlin, Bradley P.

2015-01-01T23:59:59.000Z

434

Systems analysis approach to probabilistic modeling of fault trees  

SciTech Connect (OSTI)

A method of probabilistic modeling of fault tree logic combined with stochastic process theory (Markov modeling) has been developed. Systems are then quantitatively analyzed probabilistically in terms of their failure mechanisms including common cause/common mode effects and time dependent failure and/or repair rate effects that include synergistic and propagational mechanisms. The modeling procedure results in a state vector set of first order, linear, inhomogeneous, differential equations describing the time dependent probabilities of failure described by the fault tree. The solutions of this Failure Mode State Variable (FMSV) model are cumulative probability distribution functions of the system. A method of appropriate synthesis of subsystems to form larger systems is developed and applied to practical nuclear power safety systems.

Bartholomew, R.J.; Qualls, C.R.

1985-01-01T23:59:59.000Z

435

Model for LMFBR core transient analysis in real time  

SciTech Connect (OSTI)

Plant safety as well as plant availability can be significantly improved if functions such as data validation, plant state verification, and fault identification are automated. A methodology for automation of these functions was presented in an earlier paper. To implement this methodology, plant models that run significantly faster than real transient time are needed. Such models for the intermediate heat exchanger and a once-through liquid-metal fast breeder reactor (LMFBR) steam generator have been presented. This paper discusses the modeling of LMFBR core transients. It is shown that, with a proper choice of shape functions, a nodal approximation of the coolant, cladding, and fuel temperature distributions leads to adequately accurate power and temperature predictions, as well as adequately short computation times. From the point of view of operational safety, it is desirable to terminate a transient before sodium boiling is initiated in the core. Thus, only the modeling of the preboiling phase of core transients is discussed.

Tzanos, C.P.

1986-01-01T23:59:59.000Z

436

System Advisor Model Includes Analysis of Hybrid CSP Option ...  

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

Several novel concepts related to power generation have been missing in the System Advisor Model (SAM). One such concept, until now, is a hybrid integrated solar combined-cycle...

437

Productivity prediction model based on Bayesian analysis and productivity console  

E-Print Network [OSTI]

in poor planning and defies effective control of time and budgets in project management. In this research, we have built a productivity prediction model which uses productivity data from an ongoing project to reevaluate the initial productivity estimate...

Yun, Seok Jun

2005-08-29T23:59:59.000Z

438

A Comparative Analysis of Community Wind Power Development Models  

E-Print Network [OSTI]

Business Energy Tax Credit (BETC) is a 35% investment taxto take advantage of the BETC. Our model assumes thatBusiness Energy Tax Credit (BETC) as a lump-sum, discounted

Bolinger, Mark; Wiser, Ryan; Wind, Tom; Juhl, Dan; Grace, Robert; West, Peter

2005-01-01T23:59:59.000Z

439

Joint Meeting on Hydrogen Delivery Modeling and Analysis Meeting...  

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

8:15 H2A Delivery Model Changes and Discussion: Matt Hooks (TIAX LLC), Bruce Kelly (Nexant), Jerry Gillette (ANL), Matt Ringer (NREL), Amgad Elgowainy (ANL) 8:15...

440

An Analysis of TRL-Based Cost and Schedule Models  

E-Print Network [OSTI]

The GAO's, NASA's, and the DoD's adoption of the technology readiness level (TRL) scale to improve technology management has led to the emergence of many TRL-based models that are used to monitor technology maturation, ...

Kenley, C. Robert

2012-04-30T23:59:59.000Z

Note: This page contains sample records for the topic "analysis conceptual model" 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

Analysis and Modeling of Parasitic Capacitances in Advanced Nanoscale Devices  

E-Print Network [OSTI]

In order to correctly perform circuit simulation, it is crucial that parasitic capacitances near devices are accurately extracted and are consistent with the SPICE models. Although 3D device simulation can be used to extract such parasitics...

Bekal, Prasanna

2012-07-16T23:59:59.000Z

442

Biological assessment of robust noise models in microarray data analysis  

Science Journals Connector (OSTI)

......Compatibility with our ANOVA model suggests applying a Kruskal-Wallis permutation test (cf. Lee et al., 2005) and...under KW perm. illustrate the agreements of the Kruskal-Wallis permutation test with the robust parametric method......

A. Posekany; K. Felsenstein; P. Sykacek

2011-03-15T23:59:59.000Z

443

Thermomechanics of hydrogen storage in metallic hydrides: modeling and analysis  

E-Print Network [OSTI]

A thermodynamically consistent mathematical model for hydrogen adsorption in metal hydrides is proposed. Beside hydrogen diffusion, the model accounts for phase transformation accompanied by hysteresis, swelling, temperature and heat transfer, strain, and stress. We prove existence of solutions of the ensuing system of partial differential equations by a carefully-designed, semi-implicit approximation scheme. A generalization for a drift-diffusion of multi-component ionized "gas" is outlined, too.

Tomas Roubicek; Giuseppe Tomassetti

2013-09-12T23:59:59.000Z

444

Design theoretic analysis of three system modeling frameworks.  

SciTech Connect (OSTI)

This paper analyzes three simulation architectures from the context of modeling scalability to address System of System (SoS) and Complex System problems. The paper first provides an overview of the SoS problem domain and reviews past work in analyzing model and general system complexity issues. It then identifies and explores the issues of vertical and horizontal integration as well as coupling and hierarchical decomposition as the system characteristics and metrics against which the tools are evaluated. In addition, it applies Nam Suh's Axiomatic Design theory as a construct for understanding coupling and its relationship to system feasibility. Next it describes the application of MATLAB, Swarm, and Umbra (three modeling and simulation approaches) to modeling swarms of Unmanned Flying Vehicle (UAV) agents in relation to the chosen characteristics and metrics. Finally, it draws general conclusions for analyzing model architectures that go beyond those analyzed. In particular, it identifies decomposition along phenomena of interaction and modular system composition as enabling features for modeling large heterogeneous complex systems.

McDonald, Michael James

2007-05-01T23:59:59.000Z

445

Isotopic Analysis At U.S. West Region (Laney, 2005) | Open Energy  

Open Energy Info (EERE)

Isotopic Analysis- Fluid At U.S. West Region (Laney, Isotopic Analysis- Fluid At U.S. West Region (Laney, 2005) Exploration Activity Details Location U.S. West Region Exploration Technique Isotopic Analysis- Fluid Activity Date Usefulness useful DOE-funding Unknown Notes Characterization and Conceptual Modeling of Magmatically-Heated and Deep-Circulation, High-Temperature Hydrothermal Systems in the Basin and Range and Cordilleran United States, Moore, Nash, Nemcok, Lutz, Norton, Kaspereit, Berard, van de Putte, Johnson and Deymonaz. Utilizing a wealth of formerly proprietary subsurface samples and datasets for exemplary high-temperature western U.S. geothermal systems, develop and publish detailed and refined new conceptual and numerical hydrothermal-history models of fundamental scientific import but, more importantly, of use to

446

CBE UFAD cost analysis tool: Life cycle cost model, issues and assumptions  

E-Print Network [OSTI]

Building Maintenance and Repair Cost Reference. WhitestoneJ. Wallis and H. Lin. 2008. CBE UFAD Cost Analysis Tool:UFAD First Cost Model, Issues and Assumptions. Center for

Webster, Tom; Benedek, Corinne; Bauman, Fred

2008-01-01T23:59:59.000Z

447

A Micromechanical Model for Viscoelastic-Viscoplastic Analysis of Particle Reinforced Composite  

E-Print Network [OSTI]

This study introduces a time-dependent micromechanical model for a viscoelastic-viscoplastic analysis of particle-reinforced composite and hybrid composite. The studied particle-reinforced composite consists of solid spherical particle and polymer...

Kim, Jeong Sik

2011-02-22T23:59:59.000Z

448

Topic Analysis of Web User Behavior Using LDA Model on Proxy Logs  

Science Journals Connector (OSTI)

We propose a web user profiling and clustering framework based on LDA-based topic modeling with an analogy to document analysis in which documents and words represent users and their actions. The main technica...

Hiroshi Fujimoto; Minoru Etoh; Akira Kinno

2011-01-01T23:59:59.000Z

449

Analysis of Integration Models for Service Composition Dept. of Electrical Engineering  

E-Print Network [OSTI]

Analysis of Integration Models for Service Composition David Liu Dept. of Electrical Engineering. Other services include simulation programs [16], engineering, logistics, and business services & Environmental Engineering Stanford University Stanford, CA 94305, USA law@cive.stanford.edu Gio Wiederhold

Stanford University

450

Mutation Analysis for the Evaluation of Functional Fault Models Qiushuang Zhang and Ian Harris  

E-Print Network [OSTI]

1 Mutation Analysis for the Evaluation of Functional Fault Models Qiushuang Zhang and Ian Harris@ecs.umass.edu, harris@ecs.umass.edu I. INTRODUCTION Design validation by simulation-based techniques is the most common

Harris, Ian G.

451

Fuzzy Comprehensive Evaluation Model and Influence Factors Analysis on Comprehensive Performance of Green Buildings  

E-Print Network [OSTI]

management. In order to solve problems of subjectivity, uncertainty and impossibility of quantitative analysis when evaluating green building, this study establishes a multi-level fuzzy evaluation model by means of fuzzy mathematics method to analyze...

Sun, J.; Wu, Y.; Dai, Z.; Hao, Y.

2006-01-01T23:59:59.000Z

452

Explicit renormalization-group analysis of the D=2 random-bond Ising model  

Science Journals Connector (OSTI)

It is shown by an explicit momentum-space renormalization-group analysis that the true renormalization-group equations for the D=2 random-bond Ising model agree with the equations obtained using the replica trick.

Ganpathy Murthy

1987-07-01T23:59:59.000Z

453

Model Development and Analysis of the Fate and Transport of Water in a Salt  

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

Development and Analysis of the Fate and Transport of Water Development and Analysis of the Fate and Transport of Water in a Salt Based Repository Model Development and Analysis of the Fate and Transport of Water in a Salt Based Repository The study summarizes the initial work on numerical modeling, simulations, and experimental results related to nuclear waste storage in a salt repository. The study reflects the project's preliminary effort at simulating the fluid flow and heat transport processes, before treating the fully coupled thermal-mechanical-hydrologic-chemical (TMHC) coupled processes in the future. Model Development and Analysis of the Fate and Transport of Water in a Salt Based Repository More Documents & Publications Coupled Model for Heat and Water Transport in a High Level Waste Repository in Salt

454

Supporting Multidisciplinary Vehicle Analysis Using a Vehicle Reference Architecture Model in SysML  

Science Journals Connector (OSTI)

To develop competitive vehicles with ever increasing complexity, automotive designers need to improve their ability to explore a broad range of system architectures efficiently and effectively. Whereas traditional vehicle systems are based on internal combustion (IC) engines, today's environmentally conscious vehicle manufacturers must consider alternatives to the IC engine- only systems such as hybrid or electric systems. To design a good vehicle, it is necessary to analyze each of these system architectures from a variety of perspectives including performance, fuel economy, or even thermal behavior. Creating all the necessary analysis models for all possible system architectures manually is very time-consuming, expensive, and error-prone. To overcome such challenges, a novel approach has been developed for partly automatically generating subsystem model templates to support the integration of analysis models in a consistent and convenient fashion. The approach starts from a Vehicle Reference Architecture (VRA) model defined in the Systems Modeling Language (OMG SysMLTM). After specialization of this VRA into a specific vehicle program model, this SysML model is automatically transformed into Modelica and Simulink templates for the corresponding analysis models. These templates embody interfaces that fit into a system-level integrated model so that individual subsystem experts can focus on modeling the physical or controls behavior of their particular subsystem without having to worry about subsequent integration issues. The subsystem template models guarantee consistency in the integration phase. The entire approach introduced in this paper is called the Vehicle Architecture Modeling Framework (VAMF), which includes the SysML VRA model, the corresponding analysis templates, and the transformation tools developed to support the approach. Throughout this paper, a specific (realistic but sanitized) vehicle program and a full pedal acceleration analysis test scenario are used as demonstration examples.

Jaclyn M. Branscomb; Christiaan J.J. Paredis; Judy Che; Mark J. Jennings

2013-01-01T23:59:59.000Z

455

A column based variance analysis approach to static reservoir model upgridding  

E-Print Network [OSTI]

A COLUMN BASED VARIANCE ANALYSIS APPROACH TO STATIC RESERVOIR MODEL UPGRIDDING A Thesis by MATTHEW BRANDON TALBERT Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements... for the degree of MASTER OF SCIENCE August 2008 Major Subject: Petroleum Engineering A COLUMN BASED VARIANCE ANALYSIS APPROACH TO STATIC RESERVOIR MODEL UPGRIDDING A Thesis by MATTHEW BRANDON TALBERT Submitted to the Office...

Talbert, Matthew Brandon

2008-10-10T23:59:59.000Z

456

Fourier analysis for generalized cylinders with polar models of cross-sections  

E-Print Network [OSTI]

FOURIER ANALYSIS FOR GENERALIZED CYLINDERS WITH POLAR MODELS OF CROSS-SECTIONS A Thesis by WILLIAM CLARENCE FORSYTHE Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree... of MASTER OF SCIENCE May 1990 Major Subject: Computer Science FOURIER ANALYSIS FOR GENERALIZED CYLINDERS WITH POLAR MODELS OF CROSS-SECTIONS A Thesis by WILLIAM CLARENCE FORSYTHE Approved as to style and content by: Amitabha Mukerjee (Chair...

Forsythe, William Clarence

2012-06-07T23:59:59.000Z

457

A critical analysis of shock models for chondrule formation  

E-Print Network [OSTI]

In recent years many models of chondrule formation have been proposed. One of those models is the processing of dust in shock waves in protoplanetary disks. In this model, the dust and the chondrule precursors are overrun by shock waves, which heat them up by frictional heating and thermal exchange with the gas. In this paper we reanalyze the nebular shock model of chondrule formation and focus on the downstream boundary condition. We show that for large-scale plane-parallel chondrule-melting shocks the postshock equilibrium temperature is too high to avoid volatile loss. Even if we include radiative cooling in lateral directions out of the disk plane into our model (thereby breaking strict plane-parallel geometry) we find that for a realistic vertical extent of the solar nebula disk the temperature decline is not fast enough. On the other hand, if we assume that the shock is entirely optically thin so that particles can radiate freely, the cooling rates are too high to produce the observed chondrules texture...

Stammler, Sebastian M

2014-01-01T23:59:59.000Z

458

Modeling and analysis of aircraft non-linear components for harmonics analysis  

SciTech Connect (OSTI)

Modern commercial aircraft Electric Power Systems (EPS) include many nonlinear components which produce harmonics. The addition of all the current harmonics could result in a power system with unacceptable levels of voltage distortion. It is important to be able to predict the levels of voltage distortion at early program stages to correct any potential problems and avoid costly redesigns. In this paper the nature and sources of harmonic producing equipment are described. These sources of harmonics and their effect on aircraft power system operation are described. Models for various aircraft non-linear components are developed in this paper. These component models are used in a model of the Boeing 777 EPS which is used to calculate voltage harmonics for various airplane configurations and flight conditions. A description of this model and the models used for various components are given. Tests performed to validate these models are described. Comparison of experimental results with analytical model predictions are given.

Karimi, K.J. [Boeing Computer Services, Seattle, WA (United States); Voss, J. [Boeing Commercial Airplane Group, Seattle, WA (United States)

1995-12-31T23:59:59.000Z

459

A model of the statistical power of comparative genome sequence analysis  

E-Print Network [OSTI]

A model of the statistical power of comparative genome sequence analysis Sean R. Eddy Howard Hughes genome sequence analysis is powerful, but sequencing genomes is expensive. It is desirable to be able to predict how many genomes are needed to achieve a particular statistical power in comparative analyses

Eddy, Sean

460

A Model of the Statistical Power of Comparative Genome Sequence Analysis  

E-Print Network [OSTI]

A Model of the Statistical Power of Comparative Genome Sequence Analysis Sean R. Eddy Howard Hughes, Missouri, United States of America Comparative genome sequence analysis is powerful, but sequencing genomes is expensive. It is desirable to be able to predict how many genomes are needed for comparative genomics

Eddy, Sean

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


461

Robust modelling, measurement and analysis of human and animal metabolic systems  

Science Journals Connector (OSTI)

...computational model analysis of the measured...analysed with a computer package called...the metabolic system of interest...implemented as a computer package realized...common operating systems such as MS Windows...Pentium-based desktop computer. Parallelization...combination with analysis and flux estimation...

2009-01-01T23:59:59.000Z

462

Analysis and Modelling of the EM Interferences Produced above a Train associated to the Contact  

E-Print Network [OSTI]

Analysis and Modelling of the EM Interferences Produced above a Train associated to the Contact-- This paper deals with the analysis of the transient disturbances produced above of a train by the pantograph- catenary power supply system. The goal is to study the contribution of the different elements of the train

Paris-Sud XI, Université de

463

A Tandem Queueing Model for Delay Analysis in Disconnected Ad Hoc Networks  

E-Print Network [OSTI]

A Tandem Queueing Model for Delay Analysis in Disconnected Ad Hoc Networks Ahmad Al-Hanbali, Roland, The Netherlands ABSTRACT Ad hoc network routing protocols may fail to operate in the absence of an end, Performance analysis. 1. INTRODUCTION End-to-end connectivity is not a natural property of ad hoc networks

Boucherie, Richard J.

464

Variance Decomposition Sensitivity Analysis of a Passive Residual Heat Removal System Model  

E-Print Network [OSTI]

for improved reliability and safety. Sensitivity analysis can provide relevant insights on the responseVariance Decomposition Sensitivity Analysis of a Passive Residual Heat Removal System Model YU Yua Removal system (RHRs) in the High Temperature Gas-Cooled Reactor (HTGR). Keywords: Uncertainty

Paris-Sud XI, Université de

465

Safety analysis of software product lines using state-based modeling q , Josh Dehlinger a  

E-Print Network [OSTI]

Safety analysis of software product lines using state-based modeling q Jing Liu a , Josh Dehlinger of managing variations and their potential interactions across an entire product line currently hinders safety analysis in safety-critical, software product lines. The work described here contributes to a solution

Lutz, Robyn R.

466

Regression Models for Demand Reduction based on Cluster Analysis of Load  

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

Regression Models for Demand Reduction based on Cluster Analysis of Load Regression Models for Demand Reduction based on Cluster Analysis of Load Profiles Speaker(s): Nobuyuki Yamaguchi Date: March 26, 2009 - 12:00pm Location: 90-3122 This seminar provides new regression models for demand reduction of Demand Response programs for the purpose of ex ante evaluation of the programs and screening for recruiting customer enrollment into the programs. The proposed regression models employ load sensitivity to outside air temperature and representative load pattern derived from cluster analysis of customer baseline load as explanatory variables. We examined the performance of the proposed models with respect to the validity of explanatory variables and fitness of regressions, using actual load profile data of Pacific Gas and Electric Company's commercial and industrial

467

New Seismic Model Will Refine Hazard Analysis at U.S. Nuclear Plants |  

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

New Seismic Model Will Refine Hazard Analysis at U.S. Nuclear New Seismic Model Will Refine Hazard Analysis at U.S. Nuclear Plants New Seismic Model Will Refine Hazard Analysis at U.S. Nuclear Plants January 31, 2012 - 2:09pm Addthis The Electric Power Research Institute (EPRI), the U.S. Department of Energy (DOE), and the U.S. Nuclear Regulatory Commission (NRC) released a new seismic study today that will help U.S. nuclear facilities in the central and eastern United States reassess seismic hazards. The Central and Eastern United States Seismic Source Characterization for Nuclear Facilities model and report is the culmination of a four-year effort among the participating organizations and replaces previous seismic source models used by industry and government since the late 1980s. The NRC is requesting U.S. nuclear power plants to reevaluate seismic

468

New Seismic Model Will Refine Hazard Analysis at U.S. Nuclear Plants |  

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

New Seismic Model Will Refine Hazard Analysis at U.S. Nuclear New Seismic Model Will Refine Hazard Analysis at U.S. Nuclear Plants New Seismic Model Will Refine Hazard Analysis at U.S. Nuclear Plants January 31, 2012 - 2:09pm Addthis The Electric Power Research Institute (EPRI), the U.S. Department of Energy (DOE), and the U.S. Nuclear Regulatory Commission (NRC) released a new seismic study today that will help U.S. nuclear facilities in the central and eastern United States reassess seismic hazards. The Central and Eastern United States Seismic Source Characterization for Nuclear Facilities model and report is the culmination of a four-year effort among the participating organizations and replaces previous seismic source models used by industry and government since the late 1980s. The NRC is requesting U.S. nuclear power plants to reevaluate seismic

469

Solar Resource Characterization; Session: Modeling and Analysis (Presentation)  

SciTech Connect (OSTI)

This project supports the Solar America Initiative by: (1) meeting increasing demands for expertise in and products on solar radiation data and models--production and distribution of reliable, accurate domestic and international solar resource data, benchmarking and cross-comparison of solar irradiance models; and coordination with the international community (IEA/SHC Task 36, WMO); (2) reducing data uncertainties and increasing temporal and spatial data resolutions; (3) developing and testing short term solar resource forecasts; (4) evaluating methods for producing long term data sets from short term observations; and (5) conducting measurement activities at selected sites.

Renne, D.

2008-04-01T23:59:59.000Z

470

NREL's System Advisor Model Simplifies Complex Energy Analysis (Fact Sheet)  

SciTech Connect (OSTI)

The energy market is diversifying. In addition to traditional power sources, decision makers can choose among solar, wind, and geothermal technologies as well. Each of these technologies has complex performance characteristics and economics that vary with location and other project specifics, making it difficult to analyze the viability of such projects. But that analysis is easier now, thanks to the National Renewable Energy Laboratory (NREL).

Not Available

2011-10-01T23:59:59.000Z

471

Structural Modeling and Analysis of Structures in Aorta Images  

E-Print Network [OSTI]

). ........................ 10 Figure 4. A synthetic binary image consisting of five sinusoidal curves was used to verify the accuracy of my Radon Transform (RT) algorithm. ............ 14 Figure 5. Computed angle for the principal (circumferential) direction estimated...) thickness across the arterial wall. In this dissertation, I propose an image analysis scheme to delineate spatial patterns of EL such as changes in its thickness across the arterial wall. Key features of my scheme include: 1) a Radon Transform based...

Xu, Hai

2012-10-19T23:59:59.000Z

472

Conceptual design basis and temperature predictions in a simulated instrumented LMFBR blanket subassembly  

SciTech Connect (OSTI)

The purpose of this paper is to: (1) present the conceptual design basis for an unfueled simulated LMFBR blanket subassembly, and (2) compare the predicted steady-state coolant temperatures for this subassembly with the measured coolant temperatures. This subassembly was designated as XX10 and was irradiated in the Experimental Breeder Reactor-II (EBR-II) during reactor run 129 at essentially full power and flow conditions. Because in-core data on LMFBR subassemblies are scarce, it is hoped that these data will further verify computer-codes and reduce uncertainties in the thermal-hydraulic design and analysis of LMFBR subassemblies. 2 refs., 1 fig.

Betten, P.R.; Singer, R.M.; Lee, M.J.; Feldman, E.E.; Chang, L.K.; Mohr, D.; Planchon, H.P.

1985-01-01T23:59:59.000Z

473

TRANSLATIONAL MRC Centre for Outbreak Analysis and Modelling  

E-Print Network [OSTI]

in collaboration with the Wellcome Trust Sanger Institute.The total MRC investment in these centres over the next involve staff at the UK Health Protection Agency. All eight senior scient- ists at the centre are world leaders in epidemic modelling and have extensive experience of advising governments and international

Zernicka-Goetz, Magdalena

474

Shape-based retrieval and analysis of 3D models  

Science Journals Connector (OSTI)

Large repositories of 3D data are rapidly becoming available in several fields, including mechanical CAD, molecular biology, and computer graphics. As the number of 3D models grows, there is an increasing need for computer algorithms to help people find ...

Thomas Funkhouser; Michael Kazhdan

2004-08-01T23:59:59.000Z

475

Model for LMFBR core transient analysis in real-time  

SciTech Connect (OSTI)

This paper discusses the modeling of LMFBR core transients. It is shown that with a proper choice of shape functions a nodal approximation of the coolant, cladding, and fuel temperature distributions leads to adequately accurate power and temperature predictions, as well as adequately short computation times.

Tzanos, C.P.

1986-01-01T23:59:59.000Z

476

Lurking Pathway Prediction And Pathway ODE Model Dynamic Analysis  

E-Print Network [OSTI]

regulated proteins in the transduction pro- cess. And by modeling the CCL2 pathway in MTB infected cells, J N K , cM Y C and P LC showed as the most significant modules. Hence, the drug treatments inhibit- ing J N K , cM Y C and P LC would effectively...

Zhang, Rengjing

2013-11-18T23:59:59.000Z

477

Analysis of WACSIS data using a directional hybrid wave model  

E-Print Network [OSTI]

and consistent estimates of the energy spreading parameter and mean wave direction of directional seas based on a cosine-2s model. In this approach, a Maximum Likelihood Method (MLM) is employed. Because it is more tolerant of errors in the estimated cross...

Zhang, Shaosong

2007-04-25T23:59:59.000Z

478

DYNAMIC PHASORS IN MODELING, ANALYSIS AND CONTROL OF ENERGY  

E-Print Network [OSTI]

in: power electronics, electric drives and power systems. NEU Energy Processing Laboratory (1994) is a confluence of research and educational efforts: 1. Areas: power electronics, electric drives and power (ONR YIP) Systems Power Drives Electric Electronics Adaptive Converters Resonant Modeling Load

Stankoviæ, Aleksandar

479

Global sensitivity analysis of computer models with functional inputs  

E-Print Network [OSTI]

function. Lastly, the new methodology is applied to an industrial computer code that simulates the nuclear with scalar input variables. For example, in the nuclear engineering domain, global SA tools have been applied (Helton et al. [7]), environmental model of dose calculations (Iooss et al. [10]), reactor dosimetry

Boyer, Edmond

480

High Resolution PV Power Modeling for Distribution Circuit Analysis  

SciTech Connect (OSTI)

NREL has contracted with Clean Power Research to provide 1-minute simulation datasets of PV systems located at three high penetration distribution feeders in the service territory of Southern California Edison (SCE): Porterville, Palmdale, and Fontana, California. The resulting PV simulations will be used to separately model the electrical circuits to determine the impacts of PV on circuit operations.

Norris, B. L.; Dise, J. H.

2013-09-01T23:59:59.000Z

Note: This page contains sample records for the topic "analysis conceptual model" 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.


481

A SIMULATION MODEL FOR CANADA-US CLIMATE POLICY ANALYSIS  

E-Print Network [OSTI]

forecasts how energy trade between Canada and the US might change due to the policies. The results gas emissions; carbon tax; energy consumption; energy supply; energy trade Subject Terms: Climatic policies to reduce greenhouse gas emissions in Canada and the US. A model of the combined energy

482

Experimental analysis and model validation of an opaque ventilated facade  

Science Journals Connector (OSTI)

Natural ventilation is a convenient way of reducing energy consumption in buildings. In this study an experimental module of an opaque ventilated faade (OVF) was built and tested for assessing its potential of supplying free ventilation and air preheating for the building. A numerical model was created and validated against the experimental data. The experimental results showed that the flow rates induced in the faade cavity were due to mixed driving forces: wind and buoyancy. Depending on the weather conditions one of them was the main driving force, or both were of the same order. When the wind force was the main driving force, higher flow rates were found. In these cases buoyancy acted as supporting driving force. When the wind speed was low and buoyancy prevailed lower flow rates were found. Air and surface temperatures were predicted by the numerical model with a better accuracy than flow and energy rates. The model predicts correctly the influence of the wind and buoyancy driving forces. The experimental OVF module showed potential for free ventilation and air preheating, although it depends on weather and geometrical variables. The use of the numerical model using the right parameters was found viable for analyzing the performance of an OVF.

F. Peci Lpez; R.L. Jensen; P. Heiselberg; M. Ruiz de Adana Santiago

2012-01-01T23:59:59.000Z

483

Nuisance Source Population Modeling for Radiation Detection System Analysis  

SciTech Connect (OSTI)

A major challenge facing the prospective deployment of radiation detection systems for homeland security applications is the discrimination of radiological or nuclear 'threat sources' from radioactive, but benign, 'nuisance sources'. Common examples of such nuisance sources include naturally occurring radioactive material (NORM), medical patients who have received radioactive drugs for either diagnostics or treatment, and industrial sources. A sensitive detector that cannot distinguish between 'threat' and 'benign' classes will generate false positives which, if sufficiently frequent, will preclude it from being operationally deployed. In this report, we describe a first-principles physics-based modeling approach that is used to approximate the physical properties and corresponding gamma ray spectral signatures of real nuisance sources. Specific models are proposed for the three nuisance source classes - NORM, medical and industrial. The models can be validated against measured data - that is, energy spectra generated with the model can be compared to actual nuisance source data. We show by example how this is done for NORM and medical sources, using data sets obtained from spectroscopic detector deployments for cargo container screening and urban area traffic screening, respectively. In addition to capturing the range of radioactive signatures of individual nuisance sources, a nuisance source population model must generate sources with a frequency of occurrence consistent with that found in actual movement of goods and people. Measured radiation detection data can indicate these frequencies, but, at present, such data are available only for a very limited set of locations and time periods. In this report, we make more general estimates of frequencies for NORM and medical sources using a range of data sources such as shipping manifests and medical treatment statistics. We also identify potential data sources for industrial source frequencies, but leave the task of estimating these frequencies for future work. Modeling of nuisance source populations is only useful if it helps in understanding detector system performance in real operational environments. Examples of previous studies in which nuisance source models played a key role are briefly discussed. These include screening of in-bound urban traffic and monitoring of shipping containers in transit to U.S. ports.

Sokkappa, P; Lange, D; Nelson, K; Wheeler, R

2009-10-05T23:59:59.000Z

484

Development based climate change adaptation and mitigation-conceptual  

Open Energy Info (EERE)

Development based climate change adaptation and mitigation-conceptual Development based climate change adaptation and mitigation-conceptual issues and lessons learned in studies in developing countries Jump to: navigation, search Tool Summary Name: Development based climate change adaptation and mitigation-conceptual issues and lessons learned in studies in developing countries Agency/Company /Organization: Lawrence Berkeley National Laboratory (LBNL) Sector: Climate, Energy, Land, Water Topics: Adaptation, Co-benefits assessment, - Energy Access, - Energy Security, - Health Resource Type: Case studies/examples, Lessons learned/best practices, Publications Website: ies.lbl.gov/iespubs/2halsaes.pdf Country: India, China, South Africa, Brazil, Bangladesh, Senegal Cost: Free Southern Asia, Eastern Asia, Southern Africa, South America, Southern Asia, Western Africa

485

Comparing student conceptual understanding of thermodynamics in physics and engineering  

Science Journals Connector (OSTI)

Thermodynamics is a core part of curricula in physics and many engineering fields. Despite the apparent similarity in coverage individual courses in each discipline have distinct emphases and applications. Physics education researchers have identified student difficulties with concepts such as heat temperature and entropy as well as with larger grain-sized ideas such as state variables path-dependent processes etc. Engineering education research has corroborated some of these findings and has identified additional difficulties unique to engineering contexts such as confusion between steady-state and equilibrium processes. We are beginning a project that provides an opportunity to expand the interdisciplinary research on conceptual understanding in thermodynamics. This project has two goals: first determine the overlapping content and concepts across the disciplines; second compare conceptual understanding between these groups using existing conceptual questions from PER and EER. We present a review of PER and EER literature in thermodynamics and highlight some concepts that we will investigate.

Jessica W. Clark; John R. Thompson

2013-01-01T23:59:59.000Z

486

Conceptual Design Preliminary Life Safety Code Review  

E-Print Network [OSTI]

1.1.1 Introduction This report serves as the Program of Record Phase Fire Protection Analysis Report.2)......................................................................................4 1.4.5 Minimum Fire Resistance Ratings for TYPE II-B.........................................................................5 1.4.6 Protection of Openings

Ohta, Shigemi

487

Analysis and fitting of an SIR model with host response to infection load for a plant disease  

Science Journals Connector (OSTI)

...model fitting to field data and analysis of model...response to the amount (load) of parasite infection...model fitting to field data and analysis of model...response to the amount (load) of parasite infection...plant. Nonlinear loads were introduced to...estimation from the field data Phil. rans. R...

1997-01-01T23:59:59.000Z

488

Vibration analysis of rotor systems using reduced subsystem models  

E-Print Network [OSTI]

the relative motion between the rotor and housing. A detailed analysis of this hydrodynamic coupling force is given in Ref. 1B to 20. Aerodynamic cross-coupling forces are developed when the fluid flows through blades causing a back-flow phenomenon...] is the diagonal matrix of assumed modal damping ratios. In case there are only the coupling forces (FC) at the connecting points to the rotor, the 3l transposed modal matrix [ASS] in equation (44) can 1T further be reduced to sub-matrices corresponding...

Fan, Uei-Jiun

1985-01-01T23:59:59.000Z

489

Multi-Modal Modeling, Analysis and Validation of Open Source Software Requirements Processes  

E-Print Network [OSTI]

model of the OSS requirements process requires multiple, comparative project case studies, so our1 Multi-Modal Modeling, Analysis and Validation of Open Source Software Requirements Processes Walt@uci.edu Abstract Understanding the context, structure, activities, and content of software development processes

Scacchi, Walt

490

A Transformation Approach for Modeling and Analysis of Complex UML Statecharts: A Case Study  

E-Print Network [OSTI]

transformation Petri nets model analysis 1.0 Introduction The Object Management Group (OMG) adopted a new. Entry transition. The basic form of the intermediate model for entry transitions of a composite state is a fork transition as shown in Fig. 1. A fork transition has one source state and multiple target states

Shatz, Sol M.

491

Analysis of Workload and Load Balancing Issues in the NCAR Community Climate Model  

E-Print Network [OSTI]

Community Climate Model were instrumented to produce per­cell load data for each time step, revealing load, this approach reduced the amount of load data by a factor of 12, and simplified greatly the taskAnalysis of Workload and Load Balancing Issues in the NCAR Community Climate Model John G

492

On a tensor-based finite element model for the analysis of shell structures  

E-Print Network [OSTI]

In the present study, we propose a computational model for the linear and nonlinear analysis of shell structures. We consider a tensor-based finite element formulation which describes the mathematical shell model in a natural and simple way by using...

Arciniega Aleman, Roman Augusto

2006-04-12T23:59:59.000Z

493

CSMA: Context-Based, Service-Oriented Modeling and Analysis Method for Modern Enterprise Applications  

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Since the beginning of the Service-Oriented Architecture SOA paradigm, with its various implementation technologies such as Web services, the focus of industrial communities has been on providing tools that would allow seamless and flexible application ... Keywords: Adaptable Business Services, Model-Driven Architecture, Service engineers, Service-Oriented Architecture, Service-oriented Modeling and Analysis

Chirine Ghedira; Zakaria Maamar; Lucien Vincent; Khouloud Boukadi

2010-04-01T23:59:59.000Z

494

A method for quantitative fault diagnosability analysis of stochastic linear descriptor models  

Science Journals Connector (OSTI)

Analyzing fault diagnosability performance for a given model, before developing a diagnosis algorithm, can be used to answer questions like ''How difficult is it to detect a fault f"i?'' or ''How difficult is it to isolate a fault f"i from a fault f"j?''. ... Keywords: Fault detection and isolation, Fault diagnosability analysis, Model-based diagnosis

Daniel Eriksson; Erik Frisk; Mattias Krysander

2013-06-01T23:59:59.000Z

495

Predictive Modeling of fMRI Brain States using Functional Canonical Correlation Analysis  

E-Print Network [OSTI]

Predictive Modeling of fMRI Brain States using Functional Canonical Correlation Analysis S Abstract. We present a novel method for predictive modeling of human brain states from functional for prediction of naturalistic stimuli from unknown fMRI data shows that the method nds highly predictive brain

Smeulders, Arnold