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


1

Front Range Energy LLC | Open Energy Information  

Open Energy Info (EERE)

Energy LLC Energy LLC Jump to: navigation, search Logo: Front Range Energy LLC Name Front Range Energy LLC Address 31375 Great Western Dr Place Windsor, Colorado Zip 80550 Sector Biofuels Product Ethanol producer Website http://www.frontrangeenergy.co Coordinates 40.4605154°, -104.8565272° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":40.4605154,"lon":-104.8565272,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

2

Front Range Forest Health Partnership Phase 1 feasibility study  

DOE Green Energy (OSTI)

The Front Range Forest Health Partnership is an alliance of individuals, citizen groups, federal, state, private, and nonprofit organizations that formed to promote forest health restoration and reduce fire risks on Colorado's Front Range. The partnership promotes selective thinning to restore forest health and supports economically feasible end uses for wood waste materials. The Phase I study was initiated to determine the environmental and economic feasibility of using wood wastes from forested and urban areas for the production of fuel-grade ethanol.

Volkin, P

1998-09-01T23:59:59.000Z

3

Factors controlling streambed coverage of Didymosphenia geminata in two regulated streams in the Colorado Front Range  

E-Print Network (OSTI)

of dissolved substances from a Colorado mountain watershed.11: CDOT, 2009. Colorado Department of Transportation.two regulated streams in the Colorado Front Range Matthew P.

Miller, Matthew P.; McKnight, Diane M.; Cullis, James D.; Greene, Alicia; Vietti, Kristin; Liptzin, Daniel

2009-01-01T23:59:59.000Z

4

Bay Front Biomass Facility | Open Energy Information  

Open Energy Info (EERE)

Front Biomass Facility Front Biomass Facility Jump to: navigation, search Name Bay Front Biomass Facility Facility Bay Front Sector Biomass Location Ashland County, Wisconsin Coordinates 46.9794969°, -90.4824892° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":46.9794969,"lon":-90.4824892,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

5

The Influence of Canyon Winds on Flow Fields near Colorado's Front Range  

Science Conference Proceedings (OSTI)

A network of sodars was operated in the late summer and fall of 1993 to monitor the occurrence of nocturnal winds from a canyon in Colorado's Front Range near the Rocky Flats Plant and to determine the influence of those winds on the flow fields ...

J. C. Doran

1996-04-01T23:59:59.000Z

6

The Dependence of Canyon Winds on Surface Cooling and External Forcing in Colorado's Front Range  

Science Conference Proceedings (OSTI)

The atmospheric katabatic flow in the foothills of the Front Range of the Rocky Mountains has been monitored by a network of towers and sodars for several years as part of the ASCOT program. The dependence of the outflow from Coal Creek Canyon on ...

Richard L. Coulter; Paul Gudiksen

1995-06-01T23:59:59.000Z

7

Application of an atmospheric dispersion model to simulated pollutant releases in the Colorado Front range  

SciTech Connect

The 1991 ASCOT (Atmospheric Studies in Complex Terrain) field study in the vicinity of the Department of Energy`s Rocky Flats Plant, Colorado, was conducted to study the local and regional circulations and their interactions with synoptic flows over the complex terrain of the Rocky Mountains Colorado Front range. The study was combined with the Rocky Flats Winter validation Study (WVS) which had similar objectives. Tracer plumes were released as part of this field campaign over the period of February 3--19, 1991 from the Rocky Flats Plant. Twelve intensive experiments, centered around eleven-hour long surface releases of sulfur hexafloride (SF{sub 6})tracer material, were conducted by teams from a number of national laboratories, government agencies and private contractors. One-hourly averaged tracer concentrations were collected from approximately 170 surface samplers deployed along two concentric circles at a radius of 8 km and 16 km from the release location. The concentration patterns resulting from the transport and turbulent diffusion of the SF{sub 6} traces plumes within the atmospheric boundary layer during two night-time, one morning transition, and one day-time period were simulated for this paper. The scenarios selected represent the first-choice of all twelve experiments to be addressed, based on the quality and completeness of the collected data base and the presence of the desired meteorological conditions.

Lange, R.

1993-05-01T23:59:59.000Z

8

front  

NLE Websites -- All DOE Office Websites (Extended Search)

Carbon Carbon Carbon Sequestration Sequestration State of the Science roadmapping future carbon sequestration R&D February 1999 A working paper for U.S. Department of Energy Office of Science Office of Fossil Energy i Carbon Sequestration DRAFT (February 1999) Dave Reichle, ORNL John Houghton, DOE Sally Benson, LBNL John Clarke, PNNL Roger Dahlman, DOE George Hendrey, BNL Howard Herzog, MIT Jennie Hunter-Cevera, LBNL Gary Jacobs, ORNL Rod Judkins, ORNL WORKING PAPER ON CARBON SEQUESTRATION SCIENCE AND TECHNOLOGY Office of Science Office of Fossil Energy U.S. Department of Energy Bob Kane, DOE Jim Ekmann, FETC Joan Ogden, Princeton Anna Palmisano, DOE Robert Socolow, Princeton John Stringer, EPRI Terry Surles, LLNL Alan Wolsky, ANL Nicholas Woodward, DOE Michael York, DOE ii DRAFT (February 1999) Carbon Sequestration

9

NETL's Supercomputer Addresses Energy Issues on Two Fronts | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

NETL's Supercomputer Addresses Energy Issues on Two Fronts NETL's Supercomputer Addresses Energy Issues on Two Fronts NETL's Supercomputer Addresses Energy Issues on Two Fronts September 26, 2013 - 10:42am Addthis The visualization center for the SBEUC (Simulation Based Engineering User Center). Located at the Department’s National Energy Technology Laboratory in Morgantown, W. Va., the SBEUC will be powered by a high performance computer that will allow researchers to simulate phenomena that are difficult or impossible to probe experimentally. The results from simulations will become accessible through user centers that provide advanced visualization capabilities and foster collaboration among researchers. The SBEUC will be used for developing and deploying simulation tools required for overcoming energy technology barriers quickly and reliably.

10

Away from the Range Front: Intra-Basin Geothermal Exploration Geothermal  

Open Energy Info (EERE)

Away from the Range Front: Intra-Basin Geothermal Exploration Geothermal Away from the Range Front: Intra-Basin Geothermal Exploration Geothermal Project Jump to: navigation, search Last modified on July 22, 2011. Project Title Away from the Range Front: Intra-Basin Geothermal Exploration Project Type / Topic 1 Recovery Act: Geothermal Technologies Program Project Type / Topic 2 Validation of Innovative Exploration Technologies Project Description The project applies the known relationship between fault permeability and the mechanics of rocks under stress to reduce risks in exploration well targeting. Although the concept has been applied before, the project would innovate by dramatically increasing the detail and types of information on the mechanical state of the target area using a variety of low-cost measurements in advance of deep drilling. In addition to the mechanical data, holes into the shallow warm aquifer related to the thermal anomaly will allow analysis of chemical indicators of upflow as a more direct measure of the location of fault permeability.

11

BLM Sierra Front Field Office | Open Energy Information  

Open Energy Info (EERE)

Sierra Front Field Office Jump to: navigation, search Name BLM Sierra Front Field Office Short Name Sierra Front Parent Organization BLM Carson City District Office Address 5665...

12

Cold Air Damming by the Front Range of the Colorado Rockies and its Relationship to Locally Heavy Snows  

Science Conference Proceedings (OSTI)

Heavy snowstorms occur regularly along Colorado's Front Range and cause significant economic and human consequences for the urban corridor from Denver to Fort Collins. This paper examines one type of winter storm that displays great variability ...

Lawrence Dunn

1987-09-01T23:59:59.000Z

13

Energy Loss at Propagating Jamming Fronts in Granular Gas Clusters  

E-Print Network (OSTI)

We explore the initial moments of impact between two dense granular clusters in a two-dimensional geometry. The particles are composed of solid CO$_{2}$ and are levitated on a hot surface. Upon collision, the propagation of a dynamic "jamming front" produces a distinct regime for energy dissipation in a granular gas in which the translational kinetic energy decreases by over 90%. Experiments and associated simulations show that the initial loss of kinetic energy obeys a power law in time, $\\Delta E=-Kt^{3/2}$, a form that can be predicted from kinetic arguments.

Justin C. Burton; Peter Y. Lu; Sidney R. Nagel

2013-06-12T23:59:59.000Z

14

Mesoscale Energy Spectra of Mei-Yu Front System. Part I: Kinetic Energy Spectra  

Science Conference Proceedings (OSTI)

The mesoscale kinetic energy (KE) spectra of Mei-Yu front system are investigated through idealized numerical simulations. In the mature stage, the upper tropospheric KE spectrum resembles a -3 power law for wavelengths between 1000 and 400 km and ...

Jun Peng; Lifeng Zhang; Yu Luo; Yun Zhang

15

Rangely, Colorado: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

Rangely, Colorado: Energy Resources Rangely, Colorado: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 40.0874759°, -108.8048292° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":40.0874759,"lon":-108.8048292,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

16

Town of Front Royal, Virginia (Utility Company) | Open Energy Information  

Open Energy Info (EERE)

Town of Front Royal, Virginia (Utility Company) Town of Front Royal, Virginia (Utility Company) Jump to: navigation, search Name Town of Front Royal Place Virginia Utility Id 6803 Utility Location Yes Ownership M NERC Location SERC Activity Distribution Yes References EIA Form EIA-861 Final Data File for 2010 - File1_a[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Utility Rate Schedules Grid-background.png Commercial Commercial Dusk to Dawn Light poles Commercial Residential Residential Average Rates Residential: $0.0928/kWh Commercial: $0.0796/kWh References ↑ "EIA Form EIA-861 Final Data File for 2010 - File1_a" Retrieved from "http://en.openei.org/w/index.php?title=Town_of_Front_Royal,_Virginia_(Utility_Company)&oldid=411737"

17

Range Fuels | Open Energy Information  

Open Energy Info (EERE)

Fuels Fuels Jump to: navigation, search Logo: Range Fuels Name Range Fuels Address 11101 W. 120th Avenue Place Broomfield, Colorado Zip 80021 Sector Biomass Product Uses a thermochemical process to turn biomass into synthetic gas and then fuel Website http://www.rangefuels.com/ Coordinates 39.915572°, -105.122053° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":39.915572,"lon":-105.122053,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

18

Mesoscale Energy Spectra of the Mei-Yu Front System. Part I: Kinetic Energy Spectra  

Science Conference Proceedings (OSTI)

The mesoscale kinetic energy (KE) spectra of the mei-yu front system are investigated through idealized numerical simulations. In the mature stage, the upper-tropospheric KE spectrum resembles a ?3 power law for wavelengths between 1000 and 400 km ...

Jun Peng; Lifeng Zhang; Yu Luo; Yun Zhang

2014-01-01T23:59:59.000Z

19

Long range Energy Alternatives Planning (LEAP) System | Open Energy  

Open Energy Info (EERE)

Long range Energy Alternatives Planning (LEAP) System Long range Energy Alternatives Planning (LEAP) System Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Long range Energy Alternatives Planning System Agency/Company /Organization: Stockholm Environment Institute Sector: Climate, Energy Focus Area: Non-renewable Energy, Agriculture, Biomass, - Anaerobic Digestion, - Biofuels, - Biomass Combustion, - Biomass Gasification, - Biomass Pyrolysis, - Landfill Gas, - Waste to Energy, Buildings, Economic Development, Energy Efficiency, - Central Plant, Food Supply, Forestry, Geothermal, Goods and Materials, - Embodied Energy, - Materials, Greenhouse Gas, Ground Source Heat Pumps, Hydrogen, Industry, - Industrial Processes, Offsets and Certificates, People and Policy, Solar, - Concentrating Solar Power, - Solar Hot Water, - Solar PV, - Solar Ventilation Preheat, Transportation, Water Conservation, Water Power, Wind

20

Long range Energy Alternatives Planning (LEAP) System | Open Energy  

Open Energy Info (EERE)

Long range Energy Alternatives Planning (LEAP) System Long range Energy Alternatives Planning (LEAP) System (Redirected from LEAP) Jump to: navigation, search Tool Summary Name: Long range Energy Alternatives Planning System Agency/Company /Organization: Stockholm Environment Institute Sector: Climate, Energy Focus Area: Non-renewable Energy, Agriculture, Biomass, - Anaerobic Digestion, - Biofuels, - Biomass Combustion, - Biomass Gasification, - Biomass Pyrolysis, - Landfill Gas, - Waste to Energy, Buildings, Economic Development, Energy Efficiency, - Central Plant, Food Supply, Forestry, Geothermal, Goods and Materials, - Embodied Energy, - Materials, Greenhouse Gas, Ground Source Heat Pumps, Hydrogen, Industry, - Industrial Processes, Offsets and Certificates, People and Policy, Solar, - Concentrating Solar Power, - Solar Hot Water, - Solar PV, - Solar Ventilation Preheat, Transportation, Water Conservation, Water Power, Wind

Note: This page contains sample records for the topic "front range energy" 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

Property:Wave Period Range(s) | Open Energy Information  

Open Energy Info (EERE)

Wave Period Range(s) Wave Period Range(s) Jump to: navigation, search Property Name Wave Period Range(s) Property Type String Pages using the property "Wave Period Range(s)" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + 10.0 + 10-ft Wave Flume Facility + 0.0 + 11-ft Wave Flume Facility + 10.0 + 2 2-ft Flume Facility + 10.0 + 3 3-ft Wave Flume Facility + 10.0 + 5 5-ft Wave Flume Facility + 10.0 + 6 6-ft Wave Flume Facility + 10.0 + A Alden Large Flume + 2.1 + Alden Small Flume + 0.0 + Alden Wave Basin + 1.0 + B Breakwater Research Facility + 0.0 + C Carderock Maneuvering & Seakeeping Basin + 0.0 + Carderock Tow Tank 2 + 0.0 + Carderock Tow Tank 3 + 0.0 + Chase Tow Tank + 3.1 + Coastal Harbors Modeling Facility + 2.3 +

22

Relevant energy ranges for astrophysical reaction rates  

Science Conference Proceedings (OSTI)

Effective energy windows (Gamow windows) of astrophysical reaction rates for (p,gamma), (p,n), (p,alpha), (alpha,gamma), (alpha,n), (alpha,p), (n,gamma), (n,p), and (n,alpha) on targets with 10<=Z<=83 from proton to neutron dripline are calculated using theoretical cross sections. It is shown that widely used approximation formulas for the relevant energy ranges are not valid for a large number of reactions relevant to hydrostatic and explosive nucleosynthesis. The influence of the energy dependence of the averaged widths on the location of the Gamow windows is discussed and the results are presented in tabular form.

Rauscher, Thomas [Department of Physics, University of Basel, Klingelbergstr. 82, CH-4056 Basel (Switzerland)

2010-04-15T23:59:59.000Z

23

The Energy Spectrum of Fronts: Time Evolution of Shocks in Burgers Equation  

Science Conference Proceedings (OSTI)

Andrews and Hoskins used semigeostrophic theory to argue that the energy spectrum of a front should decay like the ?8/3 power of the wavenumber. They note, however, that their inviscid analysis is restricted to the very moment of breaking; that ...

John P. Boyd

1992-01-01T23:59:59.000Z

24

Fiber Laser Front Ends for High Energy, Short Pulse Lasers  

SciTech Connect

We are developing a fiber laser system for short pulse (1-10ps), high energy ({approx}1kJ) glass laser systems. Fiber lasers are ideal for these systems as they are highly reliable and enable long term stable operation.

Dawson, J; Messerly, M; Phan, H; Siders, C; Beach, R; Barty, C

2007-06-21T23:59:59.000Z

25

Range Fuels Biorefinery Groundbreaking | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Range Fuels Biorefinery Groundbreaking Range Fuels Biorefinery Groundbreaking Range Fuels Biorefinery Groundbreaking November 6, 2007 - 5:00pm Addthis Remarks as Prepared for Secretary Bodman Thank you. And let me say how much it means to have my old friend Vinodh here to introduce me. You are a true pioneer in this industry. I also want to thank Mitch for asking me to be here. It's good to see Tom Dorr from the U.S. Department of Agriculture, our partner in so much of the federal government's biomass research and development and deployment efforts. Gov. Perdue, as always, it's great to be in Georgia and to see the progress occurring here under your leadership. I want to reaffirm our support for governors and state legislators who exhibit the kind of leadership you've shown in developing America's new energy future.

26

Property:CommunityEnergyToolsCostRange | Open Energy Information  

Open Energy Info (EERE)

search This is a property of type String. The allowed values for this property are: Free Paid Pages using the property "CommunityEnergyToolsCostRange" Showing 2 pages using...

27

Analysis of Long-range Clean Energy Investment Scenarios for...  

NLE Websites -- All DOE Office Websites (Extended Search)

of Long-range Clean Energy Investment Scenarios for Eritrea, East Africa Title Analysis of Long-range Clean Energy Investment Scenarios for Eritrea, East Africa Publication Type...

28

Long-Range Energy Alternatives Planning System (LEAP) | Open Energy  

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 » Long-Range Energy Alternatives Planning System (LEAP) 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: Long-Range Energy Alternatives Planning System (LEAP) Agency/Company /Organization: Stockholm Environmental Institute Sector: Climate, Energy Topics: Potentials & Scenarios Complexity/Ease of Use: Moderate Website: www.energycommunity.org/default.asp?action=47 Cost: Free Equivalent URI: cleanenergysolutions.org/content/long-range-energy-alternatives-planni

29

Help:Range blocks | Open Energy Information  

Open Energy Info (EERE)

Range blocks Jump to: navigation, search Range blocks are technical restrictions applied through Special:Blockip to a group of IP addresses that prevent them from editing, creating...

30

On the ``massless gap`` adjustment of detected energy for passive material in front of a calorimeter  

SciTech Connect

I have designed a correction scheme for energy losses in passive material in front of a calorimeter based on the ``massless gap`` idea. I use a flexible geometry model of a calorimeter design for SDC outside of a solenoidal coil made of aluminium cylinders of adjustable thickness. The signal from the first radiation length of active calorimetry is scaled dependent on the incoming and observed energies of the shower. A reasonable recovery of the resolution of an unobstructed calorimeter is achieved using correction factors that depend only upon the total thickness of passive material. Thus a useful correction may be built into the hardware by increasing the amount of scintillator in the first radiation length of the active calorimeter. The distribution of correction factors determined event-by-event indicate that an additional dependence on the observed signal in the massless gap and total incident energy is clearly present.

Trost, H.J.

1992-01-31T23:59:59.000Z

31

On the massless gap'' adjustment of detected energy for passive material in front of a calorimeter  

SciTech Connect

I have designed a correction scheme for energy losses in passive material in front of a calorimeter based on the massless gap'' idea. I use a flexible geometry model of a calorimeter design for SDC outside of a solenoidal coil made of aluminium cylinders of adjustable thickness. The signal from the first radiation length of active calorimetry is scaled dependent on the incoming and observed energies of the shower. A reasonable recovery of the resolution of an unobstructed calorimeter is achieved using correction factors that depend only upon the total thickness of passive material. Thus a useful correction may be built into the hardware by increasing the amount of scintillator in the first radiation length of the active calorimeter. The distribution of correction factors determined event-by-event indicate that an additional dependence on the observed signal in the massless gap and total incident energy is clearly present.

Trost, H.J.

1992-01-31T23:59:59.000Z

32

Renewable Energy and the Nevada Test and Training Range  

E-Print Network (OSTI)

1 Renewable Energy and the Nevada Test and Training Range Wednesday, December 15, 2010 Melissa due to renewable energy infrastructure development at the Nevada Test and Training Range. Nevada has have ever-increasing renewable energy goals. However, proposals for the development of 116 renewable

Lewis, Robert Michael

33

Energy Distribution Control in Wireless Sensor Networks Through Range Optimization  

E-Print Network (OSTI)

Energy Distribution Control in Wireless Sensor Networks Through Range Optimization M.Sarper Gokturk a location-based routing framework to control the energy distribution in a network where transmission ranges--A major objective in wireless sensor networks is to find optimum routing strategies for energy efficient

Yanikoglu, Berrin

34

Scintillation counter and wire chamber front end modules for high energy physics experiments  

SciTech Connect

This document describes two front-end modules developed for the proposed MIPP upgrade (P-960) experiment at Fermilab. The scintillation counter module was developed for the Plastic Ball detector time and charge measurements. The module has eight LEMO 00 input connectors terminated with 50 ohms and accepts negative photomultiplier signals in the range 0.25...1000 pC with the maximum input voltage of 4.0 V. Each input has a passive splitter with integration and differentiation times of {approx}20 ns. The integrated portion of the signal is digitized at 26.55 MHz by Analog Devices AD9229 12-bit pipelined 4-channel ADC. The differentiated signal is discriminated for time measurement and sent to one of the four TMC304 inputs. The 4-channel TMC304 chip allows high precision time measurement of rising and falling edges with {approx}100 ps resolution and has internal digital pipeline. The ADC data is also pipelined which allows deadtime-less operation with trigger decision times of {approx}4 {micro}s. The wire chamber module was developed for MIPP EMCal detector charge measurements. The 32-channel digitizer accepts differential analog signals from four 8-channel integrating wire amplifiers. The connection between wire amplifier and digitizer is provided via 26-wire twist-n-flat cable. The wire amplifier integrates input wire current and has sensitivity of 275 mV/pC and the noise level of {approx}0.013 pC. The digitizer uses the same 12-bit AD9229 ADC chip as the scintillator counter module. The wire amplifier has a built-in test pulser with a mask register to provide testing of the individual channels. Both modules are implemented as a 6Ux220 mm VME size board with 48-pin power connector. A custom europack (VME) 21-slot crate is developed for housing these front-end modules.

Baldin, Boris; DalMonte, Lou; /Fermilab

2011-01-01T23:59:59.000Z

35

Developing National Long-Range Nuclear Energy Strategies (INPRO...  

NLE Websites -- All DOE Office Websites (Extended Search)

"Developing National Long-Range Nuclear Energy Strategies (INPRO)" workshop (Aug. 8-19, 2011) Director's Welcome Organization Achievements Highlights Fact Sheets, Brochures & Other...

36

Property:OpenEI/Tool/CostRange | Open Energy Information  

Open Energy Info (EERE)

CostRange CostRange Jump to: navigation, search This is a property of type String. Subproperties This property has the following 1 subproperty: O Property:OpenEI/Tool/CostType Pages using the property "OpenEI/Tool/CostRange" Showing 25 pages using this property. (previous 25) (next 25) 2 2008 Solar Technologies Market Report + Free + 2011 APTA Public Transportation Fact Book + Free + A A Case for Climate Neutrality: Case Studies on Moving Towards a Low Carbon Economy + Free + A New Scheme for the Promotion of Renewable Energies in Developing Countries: The Renewable Energy Regulated Purchase Tariff + Free + ADB-Methods and Tools for Energy Demand Projection + Free + AGI-32 + Paid + APEC-Alternative Transport Fuels: Implementation Guidelines + Free + APFED-Good Practice Database + Free +

37

Energy-range relation and mean energy variation in therapeutic particle beams  

Science Conference Proceedings (OSTI)

Analytical expressions for the mean energy and range of therapeutic light ion beams and low- and high-energy electrons have been derived

Johanna Kempe; Anders Brahme

2008-01-01T23:59:59.000Z

38

Range Design Criteria - June 4, 2012 | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Range Design Criteria - June 4, 2012 Range Design Criteria - June 4, 2012 Range Design Criteria - June 4, 2012 June 4, 2012 This document contains the currently-approved firearms "Range Design Criteria" referred to on DOE O 473.3, Protection Program Operations PURPOSE. This document contains design criteria for U.S. Department of Energy (DOE) live-fire ranges for use in planning new facilities and major rehabilitation of existing facilities. This document will be approved and maintained by the Office of Security, Office of Health, Safety and Security (HSS) as a stand-alone document on the HSS website: http://www.hss.doe.gov/SecPolicy/pfs.html. PLANNING FACTORS. All applicable local, State, Federal, U.S. Environmental Protection Agency, Occupational Health and Safety Administration (OSHA),

39

Renewable Energy Opportunities at White Sands Missile Range, New Mexico  

DOE Green Energy (OSTI)

The document provides an overview of renewable resource potential at White Sands Missile Range (WSMR) based primarily upon analysis of secondary data sources supplemented with limited on-site evaluations. The effort was funded by the U.S. Army Installation Management Command (IMCOM) as follow-on to the 2005 DoD Renewable Energy Assessment. This effort focuses on grid-connected generation of electricity from renewable energy sources and also ground source heat pumps (GSHPs) for heating and cooling buildings, as directed by IMCOM.

Chvala, William D.; Solana, Amy E.; States, Jennifer C.; Warwick, William M.; Weimar, Mark R.; Dixon, Douglas R.

2008-09-01T23:59:59.000Z

40

Zettawatt-Exawatt Lasers and Their Applications in Ultrastrong-Field Physics High Energy Front  

E-Print Network (OSTI)

Since its birth, the laser has been extraordinarily effective in the study and applications of laser-matter interaction at the atomic and molecular level and in the nonlinear optics of the bound electron. In its early life, the laser was associated with the physics of electron volts and of the chemical bond. Over the past fifteen years, however, we have seen a surge in our ability to produce high intensities, five to six orders of magnitude higher than was possible before. At these intensities, particles, electrons and protons, acquire kinetic energy in the mega-electron-volt range through interaction with intense laser fields. This opens a new age for the laser, the age of nonlinear relativistic optics coupling even with nuclear physics. We suggest a path to reach an extremely high-intensity level $10^{26-28} $W/cm$^2$ in the coming decade, much beyond the current and near future intensity regime $10^{23} $W/cm$^2$, taking advantage of the megajoule laser facilities. Such a laser at extreme high intensity co...

Tajima, T

2001-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

Local attitudes, knowledge and values regarding natural resource use in the range of the Maroon-fronted Parrot in northeastern Mexico  

E-Print Network (OSTI)

New ecosystem management policies for a national park in northeastern Mexico emphasize the need for stakeholder participation. To facilitate public participation, an environmental education program should be designed for both local and regional audiences. The "Cumbres de Monterrey" National Park is located in a forested area that serves as a mountainous watershed supplying over 4 million people. Urban development occurred within the park due to lack of a management plan. A grassroots effort pressured authorities to study land-use suitability to better preserve the park. The purpose of the present study was to understand the perspectives of local rural residents, regarding (a) the value of local natural resources, (b) their knowledge about protected areas and species, (c) their attitudes towards changing land-use trends, and (d) demographic characteristics salient to the design of an environmental education program for subgroups within the population. The research method integrated qualitative and quantitative techniques. Contextual information was collected during participant observation in 2 concurrent studies: (a) land-use suitability for the northern Sierra Madre Oriental and (b) natural history of a potential flagship species, the endemic and endangered Maroon-fronted Parrot (Rhynchopsitta terrisi). Systematic data were collected during semi-structured interviews (n = 219), guided by a list of closed questions (predetermined categorical responses) and open questions that permitted interviewees to express ideas in their own words. In general, local residents valued non-timber forest products harvested for personal use. Local residents were familiar with the flagship species but lacked ecological knowledge about the purpose and location of protected areas. Attitudes about parrots, forests, and alternative sources of income were generally positive. Attitudes varied about tourism and land sales to urbanites according to location, possibly due to differences in experiential knowledge. I recommend integrating regional and local perspectives in the design of educational programs including: (a) identification of distinct audiences within the general population, (b) use of appropriate qualitative techniques for audiences that vary in demographic characteristics, and (c) creation of educational motifs, based on charismatic species, to deliver messages to distinct audiences. This study provides guidelines for involving stakeholders in positive responses to change in ecosystem management policies.

Madero-Farias, Alma Alida

2000-01-01T23:59:59.000Z

42

Mesoscale Energy Spectra of the Mei-Yu Front System. Part II: Moist Available Potential Energy Spectra  

Science Conference Proceedings (OSTI)

In Part II of this study, a new formulation of the spectral energy budget of moist available potential energy (MAPE) and kinetic energy is derived. Compared to previous formulations, there are three main improvements: i) the Lorenz available ...

Jun Peng; Lifeng Zhang; Yu Luo; Chunhui Xiong

43

Seismicity of the Coso Range, California | Open Energy Information  

Open Energy Info (EERE)

of the Coso Range, California of the Coso Range, California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Seismicity of the Coso Range, California Details Activities (1) Areas (1) Regions (0) Abstract: A 16-station seismographic network, approximately 40 km north-south by 30 km east-west, was installed in the Coso Range, California, in September 1975 as part of a geological and geophysical assessment of the geothermal resource potential of range. During the first 2 years of network operations, 4216 local earthquakes (0.5< or =m< or =3.9) defined zones of seismicity that strike radially outward from a Pleistocene rhyolite field located near the center of the Coso Range. Most earthquakes were located in zones showing a general northwest trend across the range.

44

Northwest Basin and Range Geothermal Region | Open Energy Information  

Open Energy Info (EERE)

Northwest Basin and Range Geothermal Region Northwest Basin and Range Geothermal Region Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Northwest Basin and Range Geothermal Region Details Areas (48) Power Plants (8) Projects (15) Techniques (33) The Basin and Range Province in northwestern Nevada and northeastern California is characterized by late Cretaceous - early Cenozoic regional erosion, Oligocene - Miocene volcanism, and subsequent late Miocene extension. Extensional faulting in northwestern Nevada began everywhere at 12 Ma and has continued up to the present. Faulting in the Warner Range in northeastern California can only be constrained to have begun between 14 and 3 Ma, but may represent westward migration of Basin and Range extension during the Pliocene. Compared to the many parts of the Basin and Range in

45

Southern Basin and Range Geothermal Region | Open Energy Information  

Open Energy Info (EERE)

Basin and Range Geothermal Region Basin and Range Geothermal Region Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Southern Basin and Range Geothermal Region Details Areas (0) Power Plants (0) Projects (0) Techniques (0) Map: {{{Name}}} North-south-striking and west-dipping Basin and Range province normal faults form the western edge of the Sierra Madre Occidental plateau in northeastern Sonora. These faults and associated half-grabens extend over a distance of more than 300 km between the San Bernardino basin in the north and the Sahuaripa basin in the south. Active Tectonics of Northeastern Sonora, Mexico (Southern Basin and Range Province) and the 3 May 1887 Mw 7.4 Earthquake [1] References ↑ "Active Tectonics of Northeastern Sonora, Mexico (Southern Basin and Range Province) and the 3 May 1887 Mw 7.4 Earthquake"

46

Relevance of Surface Energy Budget within Florida Sea-Breeze Front to Cross-Peninsula Rainwater Runoff Gradient  

Science Conference Proceedings (OSTI)

Analysis of surface latent heat flux measurements taken within the sea-breeze front of the coast of Florida during active thunderstorm periods demonstrates an important effect of the timing of coastal storms on the seasonal surface water budget. ...

Harry J. Cooper; Eric A. Smith; Michael T. Rubes

1998-09-01T23:59:59.000Z

47

Nevada Test And Training Range Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Nevada Test And Training Range Geothermal Area Nevada Test And Training Range Geothermal Area (Redirected from Nevada Test And Training Range Area) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Nevada Test And Training Range Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (5) 10 References Area Overview Geothermal Area Profile Location: Nevada Exploration Region: Northern Basin and Range Geothermal Region GEA Development Phase: 2008 USGS Resource Estimate Mean Reservoir Temp: Estimated Reservoir Volume: Mean Capacity: Click "Edit With Form" above to add content

48

WIDE DYNAMIC RANGE MOTOR CONTROL SYSTEM AND METHOD - Energy ...  

The methods and systems provide alternative means of selecting the magnitudes of currents to be driven into the motor windings. ... Energy Innovation Portal Technologies.

49

Nevada Test And Training Range Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Page Page Edit with form History Facebook icon Twitter icon » Nevada Test And Training Range Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Nevada Test And Training Range Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (5) 10 References Area Overview Geothermal Area Profile Location: Nevada Exploration Region: Northern Basin and Range Geothermal Region GEA Development Phase: 2008 USGS Resource Estimate Mean Reservoir Temp: Estimated Reservoir Volume: Mean Capacity: Click "Edit With Form" above to add content

50

Northern Basin and Range Geothermal Region | Open Energy Information  

Open Energy Info (EERE)

and Range Geothermal Region and Range Geothermal Region Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Northern Basin and Range Geothermal Region Details Areas (34) Power Plants (3) Projects (7) Techniques (33) Map: {{{Name}}} Examination of seismicity and late Quaternary faults in Montana and Idaho north of the Snake River Plain shows a geographic correspondence between high seismicity and 24 faults that have experienced surface rupture during the late Quaternary. The Lewis and Clark Zone delineates the northern boundary of this tectonically active extensional region. Earthquakes greater than magnitude 5.5 and all identified late Quaternary faults are confined to the Montana-Idaho portion of the Basin and Range Province south of the Lewis and Clark Zone. Furthermore, all 12 Holocene faults are

51

Kinematic model for postorogenic Basin and Range extension | Open Energy  

Open Energy Info (EERE)

Kinematic model for postorogenic Basin and Range extension Kinematic model for postorogenic Basin and Range extension Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Kinematic model for postorogenic Basin and Range extension Details Activities (1) Areas (1) Regions (0) Abstract: The Raft River extensional shear zone is exposed in the Albion-Raft River-Grouse Creek metamorphic core complex. Several studies of ductile deformation have shown that it accommodated crustal stretching in Tertiary time during late orogenic collapse of the thickened Cordilleran crust. Progressive deformation that results from mixed pure and simple shear produces a complex strain pattern along the shear zone. The authors propose a numerical kinematic model that relates strain variations in the shear zone to the different amounts of extension between the brittlely

52

China Lake South Range Geothermal Project | Open Energy Information  

Open Energy Info (EERE)

China Lake South Range Geothermal Project China Lake South Range Geothermal Project Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Development Project: China Lake South Range Geothermal Project Project Location Information Coordinates 35.65°, -117.66166666667° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":35.65,"lon":-117.66166666667,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

53

Ground magnetic survey in the Coso Range, California | Open Energy  

Open Energy Info (EERE)

Ground magnetic survey in the Coso Range, California Ground magnetic survey in the Coso Range, California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Ground magnetic survey in the Coso Range, California Details Activities (1) Areas (1) Regions (0) Abstract: A ground magnetic study was completed in the Coso volcanic field to investigate faulting and associated hydrothermal alteration patterns. The magnetic intensity contours match general geologic patterns in varying rock types. Hydrothermally altered rocks along intersecting fault zones show up as strong magnetic lows that form a triangular-shaped area. This area is centered in an area of highest heat flow and is a site of concentrated fumarolic activity. In the Coso volcanic field the combination of high heat flow, fumarolic activity, magnetic lows, and hydrothermal

54

Numerical Modeling Of Basin And Range Geothermal Systems | Open Energy  

Open Energy Info (EERE)

Numerical Modeling Of Basin And Range Geothermal Systems Numerical Modeling Of Basin And Range Geothermal Systems Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Numerical Modeling Of Basin And Range Geothermal Systems Details Activities (3) Areas (3) Regions (0) Abstract: Basic qualitative relationships for extensional geothermal systems that include structure, heat input, and permeability distribution have been established using numerical models. Extensional geothermal systems, as described in this paper, rely on deep circulation of groundwater rather than on cooling igneous bodies for heat, and rely on extensional fracture systems to provide permeable upflow paths. A series of steady-state, two-dimensional simulation models is used to evaluate the effect of permeability and structural variations on an idealized, generic

55

Fallon Test Ranges Geothermal Project | Open Energy Information  

Open Energy Info (EERE)

Page Page Edit with form History Facebook icon Twitter icon » Fallon Test Ranges Geothermal Project Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Development Project: Fallon Test Ranges Geothermal Project Project Location Information Coordinates 39.425°, -118.70277777778° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":39.425,"lon":-118.70277777778,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

56

Range Fuels Inc formerly Kergy Inc | Open Energy Information  

Open Energy Info (EERE)

Inc formerly Kergy Inc Inc formerly Kergy Inc Jump to: navigation, search Name Range Fuels Inc (formerly Kergy Inc) Place Broomfield, Colorado Zip 80021 Sector Biofuels Product A Khosla Ventures-backed company that is developing gasification technology for the production of cellulosic biofuels. Coordinates 39.920863°, -105.070582° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":39.920863,"lon":-105.070582,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

57

Perils of Long-Range Energy Forecasting: Reflections on Looking Far Ahead  

E-Print Network (OSTI)

! #12;PERILS OF LONG-RANGE ENERGY FORCASTING 255 Fig. 1. Forecasts of the U.S. primary energy notable forecasts of the U.S. primary energy consumption in the year 2000 that were released between have been around energy matters for some time--is the goal of U.S. energy independence charted

Smil, Vaclav

58

Light-Front Holographic QCD  

SciTech Connect

The relation between the hadronic short-distance constituent quark and gluon particle limit and the long-range confining domain is yet one of the most challenging aspects of particle physics due to the strong coupling nature of Quantum Chromodynamics, the fundamental theory of the strong interactions. The central question is how one can compute hadronic properties from first principles; i.e., directly from the QCD Lagrangian. The most successful theoretical approach thus far has been to quantize QCD on discrete lattices in Euclidean space-time. Lattice numerical results follow from computation of frame-dependent moments of distributions in Euclidean space and dynamical observables in Minkowski spacetime, such as the time-like hadronic form factors, are not amenable to Euclidean lattice computations. The Dyson-Schwinger methods have led to many important insights, such as the infrared fixed point behavior of the strong coupling constant, but in practice, the analyses are limited to ladder approximation in Landau gauge. Baryon spectroscopy and the excitation dynamics of nucleon resonances encoded in the nucleon transition form factors can provide fundamental insight into the strong-coupling dynamics of QCD. New theoretical tools are thus of primary interest for the interpretation of the results expected at the new mass scale and kinematic regions accessible to the JLab 12 GeV Upgrade Project. The AdS/CFT correspondence between gravity or string theory on a higher-dimensional anti-de Sitter (AdS) space and conformal field theories in physical space-time has led to a semiclassical approximation for strongly-coupled QCD, which provides physical insights into its nonperturbative dynamics. The correspondence is holographic in the sense that it determines a duality between theories in different number of space-time dimensions. This geometric approach leads in fact to a simple analytical and phenomenologically compelling nonperturbative approximation to the full light-front QCD Hamiltonian 'Light-Front Holography'. Light-Front Holography is in fact one of the most remarkable features of the AdS/CFT correspondence. The Hamiltonian equation of motion in the light-front (LF) is frame independent and has a structure similar to eigenmode equations in AdS space. This makes a direct connection of QCD with AdS/CFT methods possible. Remarkably, the AdS equations correspond to the kinetic energy terms of the partons inside a hadron, whereas the interaction terms build confinement and correspond to the truncation of AdS space in an effective dual gravity approximation. One can also study the gauge/gravity duality starting from the bound-state structure of hadrons in QCD quantized in the light-front. The LF Lorentz-invariant Hamiltonian equation for the relativistic bound-state system is P{sub {mu}}P{sup {mu}}|{psi}(P)> = (P{sup +}P{sup -} - P{sub {perpendicular}}{sup 2})|{psi}(P)> = M{sup 2}|{psi}(P)>, P{sup {+-}} = P{sup 0} {+-} P{sup 3}, where the LF time evolution operator P{sup -} is determined canonically from the QCD Lagrangian. To a first semiclassical approximation, where quantum loops and quark masses are not included, this leads to a LF Hamiltonian equation which describes the bound-state dynamics of light hadrons in terms of an invariant impact variable {zeta} which measures the separation of the partons within the hadron at equal light-front time {tau} = x{sup 0} + x{sup 3}. This allows us to identify the holographic variable z in AdS space with an impact variable {zeta}. The resulting Lorentz-invariant Schroedinger equation for general spin incorporates color confinement and is systematically improvable. Light-front holographic methods were originally introduced by matching the electromagnetic current matrix elements in AdS space with the corresponding expression using LF theory in physical space time. It was also shown that one obtains identical holographic mapping using the matrix elements of the energy-momentum tensor by perturbing the AdS metric around its static solution. A gravity dual to QCD is not known, but th

Brodsky, Stanley J.; /SLAC /Southern Denmark U., CP3-Origins; de Teramond, Guy F.; /Costa Rica U.

2012-02-16T23:59:59.000Z

59

Short-range tensor interaction and high-density nuclear symmetry energy  

E-Print Network (OSTI)

Effects of the short-range tensor interaction on the density-dependence of nuclear symmetry energy are examined by applying an approximate expression for the second-order tensor contribution to the symmetry energy derived earlier by G.E. Brown and R. Machleidt. It is found that the uncertainty in the short-range tensor force leads directly to a divergent high-density behavior of the nuclear symmetry energy.

Li, Ang

2011-01-01T23:59:59.000Z

60

Optimization of DC-DC Converters for Improved Electromagnetic Compatibility With High Energy Physics Front-End Electronics  

E-Print Network (OSTI)

The upgrade of the Large Hadron Collider (LHC) experiments at CERN sets new challenges for the powering of the detectors. One of the powering schemes under study is based on DC-DC buck converters mounted on the front-end modules. The hard environmental conditions impose strict restrictions to the converters in terms of low volume, radiation and magnetic field tolerance. Furthermore, the noise emission of the switching converters must not affect the performance of the powered systems. A study of the sources and paths of noise of a synchronous buck converter has been made for identifying the critical parameters to reduce their emissions. As proof of principle, a converter was designed following the PCB layout considerations proposed and then used for powering a silicon strip module prototype for the ATLAS upgrade, in order to evaluate their compatibility.

Fuentes, C; Michelis, S; Blanchot, G; Allongue, B; Faccio, F; Orlandi, S; Kayal, M; Pontt, J

2011-01-01T23:59:59.000Z

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61

Cross sections for electron scattering by propane in the low- and intermediate-energy ranges  

Science Conference Proceedings (OSTI)

We present a joint theoretical-experimental study on electron scattering by propane (C{sub 3}H{sub 8}) in the low- and intermediate-energy ranges. Calculated elastic differential, integral, and momentum transfer as well as total (elastic + inelastic) and total absorption cross sections are reported for impact energies ranging from 2 to 500 eV. Also, experimental absolute elastic cross sections are reported in the 40- to 500-eV energy range. A complex optical potential is used to represent the electron-molecule interaction dynamics. A theoretical method based on the single-center-expansion close-coupling framework and corrected by the Pade approximant is used to solve the scattering equations. The experimental angular distributions of the scattered electrons are converted to absolute cross sections using the relative flow technique. The comparison of our calculated with our measured results, as well as with other experimental and theoretical data available in the literature, is encouraging.

Souza, G. L. C. de; Lee, M.-T.; Sanches, I. P.; Rawat, P.; Iga, I.; Santos, A. S. dos; Machado, L. E.; Sugohara, R. T.; Brescansin, L. M.; Homem, M. G. P.; Lucchese, R. R. [Departamento de Quimica, UFSCar, 13565-905 Sao Carlos, SP (Brazil); Departamento de Fisica, UFSCar, 13565-905 Sao Carlos, SP (Brazil); Instituto de Fisica 'Gleb Wataghin', UNICAMP, 13083-970 Campinas, SP (Brazil); Departamento de Fisica, UFSC, 88010-970 Florianopolis, SC (Brazil); Department of Chemistry, Texas A and M University, College Station, Texas 7784-3255 (United States)

2010-07-15T23:59:59.000Z

62

Energy System Expectations for Nuclear in the 21. Century: A Plausible Range  

SciTech Connect

This paper outlines a range of scenarios describing what the world's energy system might look like in the middle of the century, and what nuclear energy's most profitable role might be. The starting point is the 40 non-greenhouse-gas-mitigation scenarios in the Special Report on Emissions Scenarios (SRES) of the Intergovernmental Panel on Climate Change (IPCC, 2000). Given their international authorship and comprehensive review by governments and scientific experts, the SRES scenarios are the state of the art in long-term energy scenarios. However, they do not present the underlying energy system structures in enough detail for specific energy technology and infrastructure analyses. This paper therefore describes initial steps within INPRO (The International Project on Innovative Nuclear Reactors and Fuel Cycles of the International Atomic Energy Agency) to translate the SRES results into a range of possible nuclear energy technology requirements for mid-century. The paper summarizes the four SRES scenarios that will be used in INPRO and the reasons for their selection. It provides illustrative examples of the sort of additional detail that is being developed about the overall energy system implied by each scenario, and about specific scenario features particularly relevant to nuclear energy. As recommended in SRES, the selected scenarios cover all four SRES 'story-line families'. The energy system translations being developed in INPRO are intended to indicate how energy services may be provided in mid-century and to delineate likely technology and infrastructure implications. They will indicate answers to questions like the following. The list is illustrative, not comprehensive. - What kind of nuclear power plants will best fit the mid-century energy system? - What energy forms and other products and services provided by nuclear reactors will best fit the mid-century energy system? - What would be their market shares? - How difficult will it be to site new nuclear facilities? - Which are nuclear energy's biggest competitors? - Which non-nuclear technologies can nuclear power complement? - What is the range of potential demand growth for new capacity? - How is demand growth distributed geographically around the world? Different scenarios imply different answers, which are then the starting point for estimating what future reactor users might require of reactor and fuel cycle designs around mid-century. These user requirements - in terms of economics, safety, proliferation resistance, waste, and environmental impacts - are intended to help establish key directions in which to encourage innovation. They are intended as a useful input to managers designing R and D strategies targeted on the anticipated energy system needs, and other relevant needs, of mid-century. (authors)

Langlois, Lucille M.; McDonald, Alan; Rogner, Hans-Holger; Vera, Ivan [International Atomic Energy Agency - IAEA, P.O. Box 100, Wagramer Strasse 5, A-1400 Vienna (Austria)

2002-07-01T23:59:59.000Z

63

Energy balanced scheme based on variable cell transmission range for wireless sensor networks  

Science Conference Proceedings (OSTI)

Clustering techniques in routing protocols improve the scalability of wireless sensor networks. To solve the "hot spot" problem caused by the cluster heads near the sink, which are burdened with heavy relay traffic via multi-hop transfer and tend to ... Keywords: clustering, energy balance, transmission range, wireless sensor networks

Xiao-heng Deng; Chugui Xu; Yi Liu

2009-09-01T23:59:59.000Z

64

Tin City Long Range Radar Station Wind Farm | Open Energy Information  

Open Energy Info (EERE)

Tin City Long Range Radar Station Wind Farm Tin City Long Range Radar Station Wind Farm Jump to: navigation, search Name Tin City Long Range Radar Station Wind Farm Facility Tin City Long Range Radar Station Sector Wind energy Facility Type Community Wind Facility Status In Service Owner Tin City Long Range Radar Station Developer Tanadgusix Corp. Energy Purchaser Tin City Long Range Radar Station Location Nome AK Coordinates 65.559372°, -167.949686° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":65.559372,"lon":-167.949686,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

65

Autonomous Vehicles Have a Wide Range of Possible Energy Impacts (Poster)  

SciTech Connect

This poster presents initial estimates of the net energy impacts of automated vehicles (AVs). Automated vehicle technologies are increasingly recognized as having potential to decrease carbon dioxide emissions and petroleum consumption through mechanisms such as improved efficiency, better routing, lower traffic congestion, and by enabling advanced technologies. However, some effects of AVs could conceivably increase fuel consumption through possible effects such as longer distances traveled, increased use of transportation by underserved groups, and increased travel speeds. The net effect on petroleum use and climate change is still uncertain. To make an aggregate system estimate, we first collect best estimates for the energy impacts of approximately ten effects of AVs. We then use a modified Kaya Identity approach to estimate the range of aggregate effects and avoid double counting. We find that depending on numerous factors, there is a wide range of potential energy impacts. Adoption of automated personal or shared vehicles can lead to significant fuel savings but has potential for backfire.

Brown, A.; Repac, B.; Gonder, J.

2013-07-01T23:59:59.000Z

66

Validating plastic scintillation detectors for photon dosimetry in the radiologic energy range  

SciTech Connect

Purpose: Photon dosimetry in the kilovolt (kV) energy range represents a major challenge for diagnostic and interventional radiology and superficial therapy. Plastic scintillation detectors (PSDs) are potentially good candidates for this task. This study proposes a simple way to obtain accurate correction factors to compensate for the response of PSDs to photon energies between 80 and 150 kVp. The performance of PSDs is also investigated to determine their potential usefulness in the diagnostic energy range. Methods: A 1-mm-diameter, 10-mm-long PSD was irradiated by a Therapax SXT 150 unit using five different beam qualities made of tube potentials ranging from 80 to 150 kVp and filtration thickness ranging from 0.8 to 0.2 mmAl + 1.0 mmCu. The light emitted by the detector was collected using an 8-m-long optical fiber and a polychromatic photodiode, which converted the scintillation photons to an electrical current. The PSD response was compared with the reference free air dose rate measured with a calibrated Farmer NE2571 ionization chamber. PSD measurements were corrected using spectra-weighted corrections, accounting for mass energy-absorption coefficient differences between the sensitive volumes of the ionization chamber and the PSD, as suggested by large cavity theory (LCT). Beam spectra were obtained from x-ray simulation software and validated experimentally using a CdTe spectrometer. Correction factors were also obtained using Monte Carlo (MC) simulations. Percent depth dose (PDD) measurements were compensated for beam hardening using the LCT correction method. These PDD measurements were compared with uncorrected PSD data, PDD measurements obtained using Gafchromic films, Monte Carlo simulations, and previous data. Results: For each beam quality used, the authors observed an increase of the energy response with effective energy when no correction was applied to the PSD response. Using the LCT correction, the PSD response was almost energy independent, with a residual 2.1% coefficient of variation (COV) over the 80-150-kVp energy range. Monte Carlo corrections reduced the COV to 1.4% over this energy range. All PDD measurements were in good agreement with one another except for the uncorrected PSD data, in which an over-response was observed with depth (13% at 10 cm with a 100 kVp beam), showing that beam hardening had a non-negligible effect on the PSD response. A correction based on LCT compensated very well for this effect, reducing the over-response to 3%.Conclusion: In the diagnostic energy range, PSDs show high-energy dependence, which can be corrected using spectra-weighted mass energy-absorption coefficients, showing no considerable sign of quenching between these energies. Correction factors obtained by Monte Carlo simulations confirm that the approximations made by LCT corrections are valid. Thus, PSDs could be useful for real-time dosimetry in radiology applications.

Lessard, Francois; Archambault, Louis; Plamondon, Mathieu [Departement de physique, de genie physique et d' optique, Universite Laval, Quebec, Quebec G1K 7P4, Canada and Departement de radio-oncologie, Hotel-Dieu de Quebec, Centre hospitalier universitaire de Quebec, Quebec G1R 2J6 (Canada); Departement de physique, de genie physique et d' optique, Universite Laval, Quebec, Quebec G1K 7P4 (Canada); Departement de radio-oncologie, Hotel-Dieu de Quebec, Centre hospitalier universitaire de Quebec, Quebec G1R 2J6 (Canada) and Department of Radiation Physics, University of Texas MD Anderson Cancer Center, Houston, Texas 77030 (United States); Department of Radiation Physics, University of Texas MD Anderson Cancer Center, Houston, Texas 77030 (United States); Departement de physique, de genie physique et d' optique, Universite Laval, Quebec, Quebec G1K 7P4, Canada and Departement de radio-oncologie, Hotel-Dieu de Quebec, Centre hospitalier universitaire de Quebec, Quebec G1R 2J6 (Canada); and others

2012-09-15T23:59:59.000Z

67

Absolute x-ray energy calibration over a wide energy range using a diffraction-based iterative method  

SciTech Connect

In this paper, we report a method of precise and fast absolute x-ray energy calibration over a wide energy range using an iterative x-ray diffraction based method. Although accurate x-ray energy calibration is indispensable for x-ray energy-sensitive scattering and diffraction experiments, there is still a lack of effective methods to precisely calibrate energy over a wide range, especially when normal transmission monitoring is not an option and complicated micro-focusing optics are fixed in place. It is found that by using an iterative algorithm the x-ray energy is only tied to the relative offset of sample-to-detector distance, which can be readily varied with high precision of the order of 10{sup -5}-10{sup -6} spatial resolution using gauge blocks. Even starting with arbitrary initial values of 0.1 A, 0.3 A, and 0.4 A, the iteration process converges to a value within 3.5 eV for 31.122 keV x-rays after three iterations. Different common diffraction standards CeO{sub 2}, Au, and Si show an energy deviation of 14 eV. As an application, the proposed method has been applied to determine the energy-sensitive first sharp diffraction peak of network forming GeO{sub 2} glass at high pressure, exhibiting a distinct behavior in the pressure range of 2-4 GPa. Another application presented is pair distribution function measurement using calibrated high-energy x-rays at 82.273 keV. Unlike the traditional x-ray absorption-based calibration method, the proposed approach does not rely on any edges of specific elements, and is applicable to the hard x-ray region where no appropriate absorption edge is available.

Hong Xinguo; Chen Zhiqiang [Mineral Physics Institute, Stony Brook University, Stony Brook, New York 11794 (United States); Duffy, Thomas S. [Department of Geosciences, Princeton University, Princeton, New Jersey 08544 (United States)

2012-06-15T23:59:59.000Z

68

183W Resonance Parameter Evaluation in the Neutron Energy Range Up to 5 keV  

SciTech Connect

We generated a preliminary set of resonance parameters for {sup 183}W in the neutron energy range of thermal up to 5 keV. In the analyzed energy range, this work represents a significant improvement over the current resonance evaluation in the ENDF/B-VII.1 library limited up to 2.2 keV. The evaluation methodology uses the Reich-Moore approximation to fit, with the R-matrix code SAMMY, the high-resolution measurements performed in 2007 at the GEel LINear Accelerator (GELINA) facility. The transmission data and the capture cross sections calculated with the set of resonance parameters are compared with the experimental values, and the average properties of the resonance parameters are discussed.

Pigni, Marco T [ORNL; Dunn, Michael E [ORNL; Guber, Klaus H [ORNL

2012-01-01T23:59:59.000Z

69

Inverse scattering at fixed energy for the multidimensional Newton equation in short range radial potentials  

E-Print Network (OSTI)

We consider the inverse scattering problem at fixed and sufficiently large energy for the nonrelativistic and relativistic Newton equation in $\\R^n$, $n \\ge 2$, with a smooth and short range electromagnetic field $(V,B)$. Using results of [Firsov, 1953] or [Keller-Kay-Shmoys, 1956] we obtain a uniqueness result when $B$ is assumed to be zero in a neighborhood of infinity and $V$ is assumed to be spherically symmetric in a neighborhood of infinity.

Alexandre Jollivet

2012-10-24T23:59:59.000Z

70

Intensification of Ocean Fronts by Down-Front Winds  

Science Conference Proceedings (OSTI)

Many ocean fronts experience strong local atmospheric forcing by down-front winds, that is, winds blowing in the direction of the frontal jet. An analytic theory and nonhydrostatic numerical simulations are used to demonstrate the mechanism by ...

Leif N. Thomas; Craig M. Lee

2005-06-01T23:59:59.000Z

71

States fund an expanded range of activities under low-income home energy assistance block grant  

SciTech Connect

The low-income home energy assistance (LIHEA) block grant expanded states' flexibility and authority and permitted funds to be used for a broader range of activities not previously permitted. Unlike other block grants created under the Omnibus Budget Reconciliation Act of 1981, LIHEA received increased appropriations over the level established for the prior program to assist eligible households in meeting the costs of home energy. While heating assistance continued to account for the bulk of expenditures in most states, the majority of the 13 states GAO visited used their new authority to provide weatherization, transfer energy assistance funds to other block grants, and carry over funds to the following year. In addition, states gave increased emphasis to energy crisis assistance. Few changes were made to program management procedures. Overall, state executive and legislative branch officials found the block grant less burdensome and more desirable than the prior program. However, about half the interest groups viewed the block grant as a less desirable method of funding energy assistance programs.

Not Available

1984-06-27T23:59:59.000Z

72

Analysis of Long-range Clean Energy Investment Scenarios for Eritrea, East Africa  

E-Print Network (OSTI)

energy efficiency and renewable energy investments inEnergy efficiency and renewable energy are potentiallyenergy efficiency and renewable energy. We then present the

Van Buskirk, Robert D.

2004-01-01T23:59:59.000Z

73

The German Front Experiment 1987  

Science Conference Proceedings (OSTI)

The German Front Experiment, 1987 (GFE87) is a field experiment using aircraft, radar, surface, and upper-air observations to determine the influence of the European Alps on cold fronts. Measurements are concentrated in the Rhine Valley and in ...

Klaus P. Hoinka; Hans Volkert

1987-11-01T23:59:59.000Z

74

Scintillation Response of CaF2 to H and He over a Continuous Energy Range  

Science Conference Proceedings (OSTI)

Recent demands for new radiation detector materials with improved ?-ray detection performance at room temperature have prompted research efforts on both accelerated material discovery and efficient techniques that can be used to identify material properties relevant to detector performance. New material discovery has been limited due to the difficulties of large crystal growth to completely absorb ??energies; whereas high-quality thin films or small crystals of candidate materials can be readily produced by various modern growth techniques. In this work, an ion-scintillator technique is demonstrated that can be applied to study scintillation properties of thin films and small crystals. The scintillation response of a benchmark scintillator, europium-doped calcium fluoride (CaF2:Eu), to energetic proton and helium ions is studied using the ion-scintillator approach based on a time of flight (TOF) telescope. Excellent energy resolution and fast response of the TOF telescope allow quantitative measurement of light yield, nonlinearity and energy resolution over an energy range from a few tens to a few thousands of keV.

Zhang, Yanwen; Xiang, Xia; Weber, William J.

2008-06-07T23:59:59.000Z

75

Potential for substitution of geothermal energy at domestic defense installations and White Sands Missile Range  

DOE Green Energy (OSTI)

Geothermal resources that might provide substitute energy at any of 76 defense installations are identified and evaluated. The geologic characteristics and related economics of potential geothermal resources located at or near the 76 installations were estimated. The geologic assessment identified 18 installations with possible geothermal resources and 4 Atlantic Coastal Plain resource configurations that represented the alternatives available to East Coast bases. These 18 locations and 4 resource configurations, together with 2 possible resources at the White Sands Missile Range and a potential resource at Kings Bay, Georgia, were examined to determine the relative economics of substituting potential geothermal energy for part or all of the existing oil, gas, and electrical energy usage. Four of the military installations - Mountain Home, Norton, Hawthorne, and Sierra - appear to be co-located with possible geothermal resources which, if present, might provide substitute energy at or below current market prices for oil. Six additional locations - Ellsworth, Luke, Williams, Bliss, Fallon, and Twentynine Palms - could become economically attractive under certain conditions. No geothermal resource was found to be economically competitive with natural gas at current controlled prices. Generation of electric power at the locations studied is estimated to be uneconomic at present.

Bakewell, C.A.; Renner, J.L.

1982-01-01T23:59:59.000Z

76

Pion-Proton Elastic Scattering inthe energy Range 300 to 700MeV  

DOE Green Energy (OSTI)

Differential cross sections for elastic {pi}-p scattering have been measured at eight energies for positive pions and seven energies for negative pions. Energies ranged from 310 to 650 MeV. These measurements were made at the 3-BeV proton synchrotron at Saclay, France. A beam of pions from an internal BeO target was directed into a liquid hydrogen target. Fifty-one scintillation counters and a matrix-coincidence system were used to measure simultaneously elastic events at 21 angles and charged inelastic events at 78 {pi}-p angle pairs. Events were detected by a coincidence of pulses indicating the presence of an incident pion, scattered pion, and recoil proton and the results were stored in the memory of a pulse-height analyzer. Various corrections were applied to the data and a least-squares fit was made to the results at each energy. The form of the fitting function was a power series in the cosine of the center-of-mass angle of the scattered pion. Integration under the fitted curves gave values for the total elastic cross section. The importance of certain angular-momentum states, particularly the D{sub 13} state near 600 MeV, is discussed. Several possible explanations are given of the enhancement in the {pi}{sup -}-p cross sections near 600 MeV.

Ogden, Philip M.

1964-02-20T23:59:59.000Z

77

Mid-range energy-forecasting system: structure, forecasts, and critique  

SciTech Connect

The Mid-Range Energy Forecasting System (MEFS) is a large-scale, interdisciplinary model of the US energy system maintained by the US Department of Energy. MEFS provides long-run regional forecasts of delivered prices for electricity, coal, gasoline, residual, distillate, and natural gas. A number of sets of MEFS forecasts are usually issued, each set corresponding to a different scenario. Because it forecasts prices and since these forecasts are regularly disseminated, MEFS is of considerable practical interest. A critical guide of the model's output for potential users is provided in this paper. The model's logic is described, the latest forecasts from MEFS are presented, and the reasonableness of both the forecasts and the methodology are critically evaluated. The manner in which MEFS interfaces with the Oil Market Simulation Model, which forecasts crude oil price, is also discussed. The evaluation concludes that while there are serious problems with MEFS, selective use can prove very helpful. 17 references, 1 figure, 2 tables.

DeSouza, G.

1980-01-01T23:59:59.000Z

78

Analysis of Long-range Clean Energy Investment Scenarios for Eritrea, East Africa  

E-Print Network (OSTI)

benefits and costs of energy efficiency and renewableand Costs Fundamentally, investments in energy efficiency and renewableand cost estimates and forecasts assumed for energy efficiency and renewable

Van Buskirk, Robert D.

2004-01-01T23:59:59.000Z

79

Analysis of Long-range Clean Energy Investment Scenarios for Eritrea, East Africa  

E-Print Network (OSTI)

to utilizing excellent wind energy resources as a driver toSubsector Efficiency, (5) Wind Energy Development, and (6)assumed return rate. For wind energy development, we assume

Van Buskirk, Robert D.

2004-01-01T23:59:59.000Z

80

Today in Energy - Coal stockpiles above five-year range in ...  

U.S. Energy Information Administration (EIA)

Energy use in homes, commercial buildings, manufacturing, and transportation. ... as Duke Energy Indiana testified to the Indiana Utility Regulatory ...

Note: This page contains sample records for the topic "front range energy" 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

Analysis of Long-range Clean Energy Investment Scenarios for Eritrea, East Africa  

E-Print Network (OSTI)

the reduction in annual non-renewable energy expenditures asin the expenditure for non- renewable energy supplies, with

Van Buskirk, Robert D.

2004-01-01T23:59:59.000Z

82

The Behavior of Dry Cold Fronts Traveling Along a Coastline  

Science Conference Proceedings (OSTI)

Observations of intense, dry summertime cold fronts in southeast Australia provide evidence for frontal deformation (cold air surges) in the coastal region well to the west of the main mountain range. This compares with the severe deformation ...

J. R. Garratt; P. A. C. Howells; E. Kowalczyk

1989-06-01T23:59:59.000Z

83

CO-ANALYSIS OF SOLAR MICROWAVE AND HARD X-RAY SPECTRAL EVOLUTIONS. I. IN TWO FREQUENCY OR ENERGY RANGES  

SciTech Connect

Solar microwave and hard X-ray spectral evolutions are co-analyzed in the 2000 June 10 and 2002 April 10 flares, and are simultaneously observed by the Owens-Valley Solar Array in the microwave band and by Yohkoh/Hard X-ray Telescope or RHESSI in the hard X-ray band, with multiple subpeaks in their light curves. The microwave and hard X-ray spectra are fitted by a power law in two frequency ranges of the optical thin part and two photon energy ranges, respectively. Similar to an earlier event in Shao and Huang, the well-known soft-hard-soft pattern of the lower energy range changed to the hard-soft-hard (HSH) pattern of the higher energy range during the spectral evolution of each subpeak in both hard X-ray flares. This energy dependence is actually supported by a positive correlation between the overall light curves and spectral evolution in the lower energy range, while it becomes an anti-correlation in the higher energy range. Regarding microwave data, the HSH pattern appears in the spectral evolution of each subpeak in the lower frequency range, which is somewhat similar to Huang and Nakajima. However, it returns back to the well-known pattern of soft-hard-harder for the overall spectral evolution in the higher frequency range of both events. This frequency dependence is confirmed by an anti-correlation between the overall light curves and spectral evolution in the lower frequency range, but it becomes a positive correlation in the higher frequency range. The possible mechanisms are discussed, respectively, for reasons why hard X-ray and microwave spectral evolutions have different patterns in different energy and frequency intervals.

Song Qiwu; Huang Guangli [Purple Mountain Observatory, Nanjing 210008 (China); Nakajima, Hiroshi, E-mail: songqw@pmo.ac.cng, E-mail: lhuang@pmo.ac.cn, E-mail: nakaji15@dia.janis.or.jp [Nobeyama Solar Radio Observatory, Nobeyama, Minamisaku, Nagano 384-1305 (Japan)

2011-06-20T23:59:59.000Z

84

FrontMatter.qxd  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Retrofit Workbook Retrofit Workbook A PRACTICAL "HOW TO" GUIDE FOR THE NATIONAL PARK SERVICE VISITOR CENTERS A PRODUCT OF THE GREEN ENERGY PARKS PARTNERSHIP NATIONAL PARK SERVICE * DEPARTMENT OF ENERGY Prepared by Lawrence Berkeley National Laboratory for The U.S. Department of Energy Federal Energy Management Program This work was supported by the Assistant Secretary for Energy Efficiency and Renewable Energy's Federal Energy Management Program, and the Office of Building Technology, State and Community Programs of the U.S. Department of Energy under Contract No. DE-AC03-76SF00098. Green Energy Parks is a joint program of the U.S. Department of the Interior's (DOI) National Park Service (NPS) and the U.S. Department of Energy (DOE). The program promotes the use of energy-efficient practices (such as efficient lighting) and renewable energy technologies

85

Front Matter Template  

NLE Websites -- All DOE Office Websites (Extended Search)

CONTROL IN CHEMICAL FLOODING Submitted by: University of Texas, Austin P.O. Box 7726 Austin, TX 78713 Prepared for: United States Department of Energy National Energy...

86

FrontMatter.qxd  

NLE Websites -- All DOE Office Websites (Extended Search)

promotes the use of energy-efficient practices (such as efficient lighting) and renewable energy technologies (such as solar electric systems) in the parks. Given the high number...

87

Inelastic processes in K^(+)- He collisions in energy range 0.7 - 10 keV  

E-Print Network (OSTI)

Absolute cross sections for charge exchange, ionization, stripping and excitation in K^(+) - He collisions were measured in the ion energy range 0.7 - 10 keV. The experimental data and the schematic correlation diagrams are used to analyze and determine the mechanisms for these processes. The increase of the excitation probability of inelastic channels with the angle of scattering is revealed. An exceptionally highly excited state of He is observed and a peculiarity for the excitation function of the resonance line is explained. The intensity ratio for the excitation of the K II \\lambda = 60.1 nm and \\lambda = 61.2 nm lines is 5:1 which indicates the high probability for excitation of the singlet resonance level $^{1}$P$_{1}$ compared to the triplet level $^{3}$P$_{1}$. The similarity of the population of the 4p state of the potassium ion and atom as well as the anomalously small values of the excitation cross sections are explained.

R. A. Lomsadze; M. R. Gochitashvili; R. Ya. Kezerashvili; N. O. Mosulishvili; R. Phaneuf

2013-03-10T23:59:59.000Z

88

U.S. nuclear outages back within five-year range - Today in Energy ...  

U.S. Energy Information Administration (EIA)

Uranium fuel, nuclear reactors, generation, spent fuel. Total Energy. ... Privacy/Security Copyright & Reuse Accessibility. Related Sites U.S. Department of Energy

89

front matter July12  

U.S. Energy Information Administration (EIA)

September 2013 U.S. Energy Information Administration | Natural Gas Monthly 1 Highlights This issue of the Natural Gas Monthly ...

90

Away from the Range Front: Intra-Basin Geothermal Exploration...  

Open Energy Info (EERE)

-Highly detailed and precise digital topography from airborne scanning laser data (LiDAR) to reveal recent fault offset patterns -Over-coring stress measurement in 30 meter...

91

Principles and Design Considerations for Short-Range Energy Balanced Radar Networks  

E-Print Network (OSTI)

......... . MINERAL RESOURCES .............. . General .................. . Energy Minerals .............. . SOLAR ......... Central and Southern Pacific Central Valley ....... Pacific Northwest ...... Alaska --Hawaii-- Puerto Rico

Massachusetts at Amherst, University of

92

Cold Fronts in CDM clusters  

E-Print Network (OSTI)

Recently, high-resolution Chandra observations revealed the existence of very sharp features in the X-ray surface brightness and temperature maps of several clusters (Vikhlinin et. al., 2001). These features, called ``cold fronts'', are characterized by an increase in surface brightness by a factor >2 over 10-50 kpc, accompanied by a drop in temperature of a similar magnitude. The existence of such sharp gradients can be used to put interesting constraints on the physics of the intracluster medium (ICM), if their mechanism and longevity are well understood. Here, we present results of a search for cold fronts in high-resolution simulations of galaxy clusters in cold dark matter (CDM) models. We show that sharp gradients with properties similar to those of observed cold fronts naturally arise in cluster mergers when the shocks heat gas surrounding the merging sub-cluster, while its dense core remains relatively cold. The compression induced by supersonic motions and shock heating during the merger enhance the amplitude of gas density and temperature gradients across the front. Our results indicate that cold fronts are non-equilibrium transient phenomena and can be observed for a period of less than a billion years. We show that the velocity and density fields of gas surrounding the cold front can be very irregular which would complicate analyses aiming to put constraints on the physical conditions of the intracluster medium in the vicinity of the front.

Daisuke Nagai; Andrey V. Kravtsov

2002-06-26T23:59:59.000Z

93

Dixie Valley - Geothermal Development in the Basin and Range | Open Energy  

Open Energy Info (EERE)

- Geothermal Development in the Basin and Range - Geothermal Development in the Basin and Range Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: Dixie Valley - Geothermal Development in the Basin and Range Published Publisher Not Provided, Date Not Provided DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for Dixie Valley - Geothermal Development in the Basin and Range Citation Dixie Valley - Geothermal Development in the Basin and Range [Internet]. [updated 2013/01/01;cited 2013/01/01]. Available from: http://www.geothermex.com/projects-dixie-valley.php Retrieved from "http://en.openei.org/w/index.php?title=Dixie_Valley_-_Geothermal_Development_in_the_Basin_and_Range&oldid=682561" Categories: References Geothermal References Uncited

94

Heat flow in the northern Basin and Range province | Open Energy  

Open Energy Info (EERE)

in the northern Basin and Range province in the northern Basin and Range province Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Heat flow in the northern Basin and Range province Abstract The heat flow in the Basin and Range province of northern Nevada is extremely complex. It is a product of superposition of the regional effects of extension and volcanism /intrusion modified by the local conductive effects of thermal refraction (complicated structural settings),variations in radioactive heat production, erosion and sedimentation. In addition to these conductive effects,groundwater flow, both on a local and a regional basis,affects heat-flow measurements. Typical heat -flow values for the Basin and Range province average 85 +/- 10 mWm-2. The higher estimates are

95

Self Potential At Nw Basin & Range Region (Pritchett, 2004) | Open Energy  

Open Energy Info (EERE)

Self Potential At Nw Basin & Range Region (Pritchett, Self Potential At Nw Basin & Range Region (Pritchett, 2004) Exploration Activity Details Location Northwest Basin and Range Geothermal Region Exploration Technique Self Potential Activity Date Usefulness useful DOE-funding Unknown Notes NOTE: These are theoretical/computer simulation tests of various methods on eight hypothetical 'model' basing-and-range geothermal systems. "The 300-meter heat flow holes are essentially useless for finding the "hidden" reservoirs. Clearly, the best results are obtained from the SP and MT surveys, with DC resistivity a close third. It is concluded that the best way to find "hidden" basin and range geothermal resources of this general type is to carry out simultaneous SP and low-frequency MT surveys, and then

96

Magnetotellurics At Nw Basin & Range Region (Pritchett, 2004) | Open Energy  

Open Energy Info (EERE)

Magnetotellurics At Nw Basin & Range Region Magnetotellurics At Nw Basin & Range Region (Pritchett, 2004) Exploration Activity Details Location Northwest Basin and Range Geothermal Region Exploration Technique Magnetotellurics Activity Date Usefulness useful DOE-funding Unknown Notes NOTE: These are theoretical/computer simulation tests of various methods on eight hypothetical 'model' basing-and-range geothermal systems. "The 300-meter heat flow holes are essentially useless for finding the "hidden" reservoirs. Clearly, the best results are obtained from the SP and MT surveys, with DC resistivity a close third. It is concluded that the best way to find "hidden" basin and range geothermal resources of this general type is to carry out simultaneous SP and low-frequency MT surveys, and then

97

Analysis of Long-range Clean Energy Investment Scenarios for Eritrea, East Africa  

E-Print Network (OSTI)

reductions between now and 2030 while electricity and oilemissions reductions beyond 2030. Wind energy may make a$25 million/year over the 2000 - 2030 period. Investment and

Van Buskirk, Robert D.

2004-01-01T23:59:59.000Z

98

Analysis of Long-range Clean Energy Investment Scenarios forEritrea, East Africa  

SciTech Connect

We discuss energy efficiency and renewable energy investments in Eritrea from the strategic long-term economic perspective of meeting Eritrea's sustainable development goals and reducing greenhouse gas emissions. Energy efficiency and renewable energy are potentially important contributors to national productive capital accumulation, enhancement of the environment, expansion of energy services, increases in household standard of living, and improvements in health. In this study we develop a spreadsheet model for calculating some of the national benefits and costs of different levels of investment in energy efficiency and renewable energy. We then present the results of the model in terms of investment demand and investment scenario curves. These curves express the contribution that efficiency and renewable energy projects can make in terms of reduced energy sector operating expenses, and reduced carbon emissions. We provide demand and supply curves that show the rate of return, the cost of carbon emissions reductions vs. supply, and the evolution of the marginal carbon emissions per dollar of GDP for different investment levels and different fuel-type subsectors.

Van Buskirk, Robert D.

2004-05-07T23:59:59.000Z

99

Gasoline prices moved in tight range in 2013 - Today in Energy ...  

U.S. Energy Information Administration (EIA)

... International Energy Statistics Gulf of Mexico ... Gulf Coast retail gasoline prices were lower than the rest of the country for much of ...

100

Nuclear correlation and finite interaction-range effects in high-energy $(e,e'p)$ nuclear transparency  

E-Print Network (OSTI)

Nuclear transparency is calculated for high-energy, semi-inclusive $(e,e'p)$ reactions, by accounting for all orders of Glauber multiple-scattering and by using realistic finite-range $p N$ interaction and (dynamically and statistically) correlated nuclear wave functions. The nuclear correlation effect is reduced due to the $p N$ finite-range effect. The net effect is small, and depends sensitively on details of the nuclear correlations in finite nuclei, which are poorly known at present.

Ryoichi Seki; T. D. Shoppa; Akihisa Kohama; Koichi Yazaki

1995-12-06T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

NETL Report Cover (Front)  

NLE Websites -- All DOE Office Websites (Extended Search)

DOE Award No.: DE-FE0001243 Topical Report LAND AND RESOURCE MANAGEMENT ISSUES RELEVANT TO DEPLOYING IN-SITU THERMAL TECHNOLOGIES Submitted by: University of Utah Institute for Clean and Secure Energy 155 South 1452 East, Room 380 Salt Lake City, Utah 84112 Prepared for: United States Department of Energy National Energy Technology Laboratory January, 2011 Office of Fossil Energy LAND A ND R ESOURCE M ANAGEMENT I SSUES R ELEVANT T O D EPLOYING IN---SITU T HERMAL T ECHNOLOGIES Topical Report Reporting P eriod: O ctober 3 1, 2 009 t hrough D ecember 3 1, 2 010 Principal A uthors: R obert K eiter, J ohn R uple, H eather T anana, a nd M ichelle K line Report I ssued: J anuary 2 011 DOE A ward N o.: D E---FE0001243 University o f U tah Institute f or C lean a nd S ecure E nergy

102

Analysis of Long-range Clean Energy Investment Scenarios for Eritrea, East Africa  

E-Print Network (OSTI)

real decline in the cost of wind energy investments of 1%/at a cost of $35 to $60 per t-C. Wind energy provides carbonenergy resources like wind and solar that are supplied essentially for free with little extraction and transport costs (

Van Buskirk, Robert D.

2004-01-01T23:59:59.000Z

103

Geothermometry At Northern Basin & Range Region (Laney, 2005) | Open Energy  

Open Energy Info (EERE)

Geothermometry At Northern Basin & Range Region (Laney, 2005) Geothermometry At Northern Basin & Range Region (Laney, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geothermometry At Northern Basin & Range Region (Laney, 2005) Exploration Activity Details Location Northern Basin and Range Geothermal Region Exploration Technique Geothermometry Activity Date Usefulness not indicated DOE-funding Unknown Notes Geochemical Sampling of Thermal and Non-thermal Waters in Nevada, Shevenell and Garside. The objective of this project is to obtain geochemical data from springs (and some wells) for which data are not publicly available, or for which the analyses are incomplete, poor, or nonexistent. With these data, geothermometers are being calculated and a preliminary assessment of

104

Isotopic Analysis At Nw Basin & Range Region (Laney, 2005) | Open Energy  

Open Energy Info (EERE)

Isotopic Analysis At Nw Basin & Range Region (Laney, 2005) Isotopic Analysis At Nw Basin & Range Region (Laney, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Isotopic Analysis- Fluid At Nw Basin & Range Region (Laney, 2005) Exploration Activity Details Location Northwest Basin and Range Geothermal Region Exploration Technique Isotopic Analysis- Fluid Activity Date Usefulness not indicated DOE-funding Unknown Notes Geochemical Sampling of Thermal and Non-thermal Waters in Nevada, Shevenell and Garside. The objective of this project is to obtain geochemical data from springs (and some wells) for which data are not publicly available, or for which the analyses are incomplete, poor, or nonexistent. With these data, geothermometers are being calculated and a preliminary assessment of

105

Refraction Survey At Nw Basin & Range Region (Laney, 2005) | Open Energy  

Open Energy Info (EERE)

Nw Basin & Range Region (Laney, 2005) Nw Basin & Range Region (Laney, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Refraction Survey At Nw Basin & Range Region (Laney, 2005) Exploration Activity Details Location Northwest Basin and Range Geothermal Region Exploration Technique Refraction Survey Activity Date Usefulness not indicated DOE-funding Unknown Notes Assembling Crustal Geophysical Data for Geothermal Exploration in the Great Basin, Louie and Coolbaugh. We have compiled velocity information from sources in the literature, results of previous seismic experiments and earthquake-monitoring projects, and data donated from mining, geothermal, and petroleum companies. We also collected (May 2002 and August 2004) two new crustal refraction profiles across western Nevada and the northern and

106

Geothermometry At Northern Basin & Range Region (Cole, 1983) | Open Energy  

Open Energy Info (EERE)

Northern Basin & Range Region Northern Basin & Range Region (Cole, 1983) Exploration Activity Details Location Northern Basin and Range Geothermal Region Exploration Technique Geothermometry Activity Date Usefulness not indicated DOE-funding Unknown Notes Wstern Utah hot springs: Antelope, Fish (Deadman), Fish (Wilson), Twin Peak, Cudahy, Laverkin, Grantsville, Crystal Prison, Arrowhead, Red Hill, Monroe, Joseph, Castilla, Saratoga, Thermo, Crater, Wasatch, Beck, Deseret, Big Spring, Blue Warm, Crystal Madsen, Udy, Cutler, Garland, Utah, Ogden, Hooper, Newcastle Area References David R. Cole (1983) Chemical And Isotopic Investigation Of Warm Springs Associated With Normal Faults In Utah Retrieved from "http://en.openei.org/w/index.php?title=Geothermometry_At_Northern_Basin_%26_Range_Region_(Cole,_1983)&oldid=4014

107

Assessment of the range of energy availabilities and the prevalence of low energy availability among female endurance athletes.  

E-Print Network (OSTI)

??Research indicates that energy availability below 30 kcalkg FFM-1day-1 suppresses reproductive hormones and markers of bone formation while energy balance is hypothesized to occur at (more)

Henderson, Kimberly A.

2011-01-01T23:59:59.000Z

108

Front Matter Template  

NLE Websites -- All DOE Office Websites (Extended Search)

RPSEA RPSEA Final Report 08123.02.Final Field Demonstration of Alkaline Surfactant Polymer Floods in Mature Oil Reservoirs, Brookshire Dome, Texas October 21, 2012 Chris Lewis Layline Petroleum LLC PI-Mukul M. Sharma Bo Gao The University of Texas at Austin 200 E. Dean Keeton St. Stop C0300 Austin, Texas 78712 (512) 471-3257 msharma@mail.utexas.edu 2 LEGAL NOTICE This report was prepared by Layline Petroleum LLC as an account of work sponsored by the Research Partnership to Secure Energy for America, RPSEA. Neither RPSEA, members of RPSEA, the National Energy Technology Laboratory, the U.S. Department of Energy, nor any person acting on behalf of any of the entities: a. MAKES ANY WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED WITH RESPECT TO ACCURACY, COMPLETENESS, OR USEFULNESS

109

New Vision front  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

4 4 United States Department of Energy Office of Electric Transmission and Distribution . . NATIONAL ELECTRIC DELIVERY TECHNOLOGIES ROADMAP Transforming the Grid to Revolutionize Electric Power in North America Transforming the Grid to Revolutionize Electric Power in North America Transforming the Grid to Revolutionize Electric Power in North America Transforming the Grid to Revolutionize Electric Power in North America United States Department of Energy Office of Electric Transmission and Distribution . . Based on the Results of the National Electric Delivery Technologies Roadmap Workshop Washington, DC July 8-9, 2003 January 2004 NATIONAL ELECTRIC DELIVERY TECHNOLOGIES ROADMAP - DESIGNING "GRID 2030" ARCHITECTURE - - DEVELOPING CRITICAL TECHNOLOGIES -

110

Water Sampling At Northern Basin & Range Region (Laney, 2005) | Open Energy  

Open Energy Info (EERE)

Water Sampling At Northern Basin & Range Region Water Sampling At Northern Basin & Range Region (Laney, 2005) Exploration Activity Details Location Northern Basin and Range Geothermal Region Exploration Technique Water Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Geochemical Sampling of Thermal and Non-thermal Waters in Nevada, Shevenell and Garside. The objective of this project is to obtain geochemical data from springs (and some wells) for which data are not publicly available, or for which the analyses are incomplete, poor, or nonexistent. With these data, geothermometers are being calculated and a preliminary assessment of the geothermal potential and ranking of the sampled areas is being conducted using the new geochemical data. Objectives changed slightly in 2004. Samples are now being collected at sites identified by other

111

Geothermometry At Nw Basin & Range Region (Laney, 2005) | Open Energy  

Open Energy Info (EERE)

Geothermometry At Nw Basin & Range Region (Laney, Geothermometry At Nw Basin & Range Region (Laney, 2005) Exploration Activity Details Location Northwest Basin and Range Geothermal Region Exploration Technique Geothermometry Activity Date Usefulness not indicated DOE-funding Unknown Notes Geochemical Sampling of Thermal and Non-thermal Waters in Nevada, Shevenell and Garside. The objective of this project is to obtain geochemical data from springs (and some wells) for which data are not publicly available, or for which the analyses are incomplete, poor, or nonexistent. With these data, geothermometers are being calculated and a preliminary assessment of the geothermal potential and ranking of the sampled areas is being conducted using the new geochemical data. Objectives changed slightly in 2004. Samples are now being collected at sites identified by other

112

Geodetic Survey At Nw Basin & Range Region (Laney, 2005) | Open Energy  

Open Energy Info (EERE)

Geodetic Survey At Nw Basin & Range Region (Laney, Geodetic Survey At Nw Basin & Range Region (Laney, 2005) Exploration Activity Details Location Northwest Basin and Range Geothermal Region Exploration Technique Geodetic Survey Activity Date Usefulness useful regional reconnaissance DOE-funding Unknown Notes Targeting of Potential Geothermal Resources in the Great Basin from Regional to Basin-Scale Relationships Between Geodetic Strain and Geological Structures, Geoffrey Blewitt. The objectives of this project are to assess the use of inter-seismic crustal strain rates derived from GPS-stations as an exploration tool for non-magmatic high-temperature geothermal systems, and to use this technique to target potential geothermal resources in the Great Basin. Two potential target areas were identified in year one (FY03) by regional-scale studies: (1) the area

113

Water Sampling At Nw Basin & Range Region (Laney, 2005) | Open Energy  

Open Energy Info (EERE)

Water Sampling At Nw Basin & Range Region (Laney, Water Sampling At Nw Basin & Range Region (Laney, 2005) Exploration Activity Details Location Northwest Basin and Range Geothermal Region Exploration Technique Water Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Geochemical Sampling of Thermal and Non-thermal Waters in Nevada, Shevenell and Garside. The objective of this project is to obtain geochemical data from springs (and some wells) for which data are not publicly available, or for which the analyses are incomplete, poor, or nonexistent. With these data, geothermometers are being calculated and a preliminary assessment of the geothermal potential and ranking of the sampled areas is being conducted using the new geochemical data. Objectives changed slightly in 2004. Samples are now being collected at sites identified by other

114

Comment about constraints on nanometer-range modifications to gravity from low-energy neutron experiments  

E-Print Network (OSTI)

A topic of present interest is the application of experimentally observed quantum mechanical levels of ultra-cold neutrons in the earth's gravitational field for searching short-range modifications to gravity. A constraint on new forces in the nanometer-range published by Nesvizhevsky and Protasov follows from inadequate modelling of the interaction potential of a neutron with a mirror wall. Limits by many orders of magnitude better were already derived long ago from the consistency of experiments on the neutron-electron interaction.

O. Zimmer; N. Kaiser

2006-02-14T23:59:59.000Z

115

Property:Current Velocity Range(m/s) | Open Energy Information  

Open Energy Info (EERE)

Velocity Range(m/s) Velocity Range(m/s) Jump to: navigation, search Property Name Current Velocity Range(m/s) Property Type String Pages using the property "Current Velocity Range(m/s)" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + 0.0 + 10-ft Wave Flume Facility + 0.0 + 11-ft Wave Flume Facility + 0.0 + 2 2-ft Flume Facility + 0.0 + 3 3-ft Wave Flume Facility + 0.0 + 5 5-ft Wave Flume Facility + 0.0 + 6 6-ft Wave Flume Facility + 0.0 + A Alden Large Flume + 3.2 + Alden Small Flume + 0.0 + Alden Wave Basin + 0.0 + B Breakwater Research Facility + 0.0 + C Carderock Maneuvering & Seakeeping Basin + 0.0 + Carderock Tow Tank 2 + 0.0 + Carderock Tow Tank 3 + 0.0 + Chase Tow Tank + 0.0 + Coastal Harbors Modeling Facility + 0.0 +

116

New Vision front  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

3 3 United States Department of Energy Office of Electric Transmission and Distribution . . A National Vision for Electricity's Second 100 Years A National Vision for Electricity's Second 100 Years A National Vision for Electricity's Second 100 Years A National Vision for Electricity's Second 100 Years "GRID 2030" United States Department of Energy Office of Electric Transmission and Distribution . . Based on the Results of the National Electric System Vision Meeting Washington, DC April 2-3, 2003 July 2003 "GRID 2030" A NATIONAL VISION FOR ELECTRICITY'S SECOND 100 YEARS Transforming the Grid to Revolutionize Electric Power in North America i "Grid 2030" - A National Vision for Electricity's Second 100 Years A CALL FOR LEADERSHIP Accessible, abundant, and affordable electric power is one of the

117

The Sea-Breeze Front Analytical Model  

Science Conference Proceedings (OSTI)

Analytical solutions to the nonlinear equations of motion are used to describe the sea breeze front.

Yizhak Feliks

1988-03-01T23:59:59.000Z

118

Long-Range Electric Vehicle Batteries: High Energy Density Lithium Batteries  

SciTech Connect

Broad Funding Opportunity Announcement Project: In a battery, metal ions move between the electrodes through the electrolyte in order to store energy. Envia Systems is developing new silicon-based negative electrode materials for Li-Ion batteries. Using this technology, Envia will be able to produce commercial EV batteries that outperform todays technology by 2-3 times. Many other programs have attempted to make anode materials based on silicon, but have not been able to produce materials that can withstand charge/discharge cycles multiple times. Envia has been able to make this material which can successfully cycle hundreds of times, on a scale that is economically viable. Today, Envias batteries exhibit world-record energy densities.

None

2010-01-01T23:59:59.000Z

119

New Vision front  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

GRID 2030" GRID 2030" A NATIONAL VISION FOR ELECTRICITY'S SECOND 100 YEARS July 2003 United States Department of Energy Office of Electric Transmission and Distribution Transforming the Grid to Revolutionize Electric Power in North America Transforming the Grid to Revolutionize Electric Power in North America Transforming the Grid to Revolutionize Electric Power in North America Transforming the Grid to Revolutionize Electric Power in North America . . i "Grid 2030" - A National Vision for Electricity's Second 100 Years A CALL FOR LEADERSHIP Accessible, abundant, and affordable electric power is one of the cornerstones of the U.S. economy. On February 6, 2003 President Bush highlighted the need to "...modernize our electric delivery system...for economic security...and for national security." The U.S. Department of

120

Effects of the Carnahan-Starling free energy within theories of fluids with short-range attraction  

E-Print Network (OSTI)

Within the Free-Volume Asakura-Oosawa-Vrij (FVAO) theory of colloid-polymer mixtures, we show that unphysical gas-liquid binodals predicted in the regime of small attraction range (i.e. polymer size) are caused in part by the use of the Carnahan-Starling (CS) hard sphere (HS) reference free energy. Replacement of the CS expression with an alternative dramatically affects predicted phase behaviour and, for polydisperse colloid, the resultant fractionation predictions. Although short-range attractions render FVAO, as a perturbative HS-based theory, less accurate anyway, we argue that the particular effects of CS in this regime are an important consideration -- usually ignored -- in the evaluation of such theories. We refer to a variety of literature exhibiting similarly inaccurate gas-liquid binodals, and suggest CS's status as the de facto choice of hard sphere reference should be carefully considered where short-range attractions are present.

John J. Williamson; R. Mike L. Evans; Wilson C. K. Poon; Siobhan M. Liddle

2013-03-16T23:59:59.000Z

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


121

Observations of the Tasman Front  

Science Conference Proceedings (OSTI)

Ship and air surveys were conducted in 197879 to examine the thermal structure in and near the Tasman Front between Australia and New Zealand at latitudes between Brisbane and Bass Strait. After separation from the continental slope, the East ...

John C. Andrews; Martin W. Lawrence; Carl S. Nilsson

1980-11-01T23:59:59.000Z

122

Light-Front Quantization and QCD Phenomena  

E-Print Network (OSTI)

The light-front quantization of QCD provides an alternative to lattice gauge theory for computing the mass spectrum, scattering amplitudes, and other physical properties of hadrons directly in Minkowski space. Nonperturbative light-front methods for solving gauge theory and obtaining light-front wavefunctions, such as discretized light-front quantization, the transverse lattice, and light-front resolvents are reviewed. The resulting light-front wavefunctions give a frame-independent interpolation between hadrons and their quark and gluon degrees of freedom, including an exact representation of spacelike form factors, transition form factors such as $B \\to \\ell \\bar \

S. J. Brodsky

2003-11-05T23:59:59.000Z

123

Partial-wave analysis of elastic {sup 4}He{sup 4}He scattering in the energy range 40-50 MeV  

Science Conference Proceedings (OSTI)

A partial-wave analysis of elastic {sup 4}He{sup 4}He scattering is performed in the energy range 40-50 MeV.

Dubovichenko, S. B. [Fesenkov Astrophysical Institute (Kazakhstan)], E-mail: sergey@dubovichenko.net

2008-01-15T23:59:59.000Z

124

Kelvin Fronts on the Equatorial Thermocline  

Science Conference Proceedings (OSTI)

Properties of internal wave fronts or Kelvin fronts travelling eastward in the equatorial waveguide are studied, motivated by recent studies on coastal Kelvin waves and jumps and new data on equatorial Kelvin waves. It has been recognized for ...

Alexey V. Fedorov; W. Kendall Melville

2000-07-01T23:59:59.000Z

125

PV Frontogenesis and Upper-Tropospheric Fronts  

Science Conference Proceedings (OSTI)

Upper-tropospheric fronts and frontogenesis are viewed from a potental vorticity (PV) perspective. The rudiments of this approach are to regard such a front as a zone of strong PV gradient on isentropic surfaces, and to treat the accompanying ...

H. C. Davies; A. M. Rossa

1998-06-01T23:59:59.000Z

126

Turbulent Mixing at the Pacific Subtropical Front  

Science Conference Proceedings (OSTI)

Some advection of water across the North Pacific subtropical front occurs by the subduction of surface mixed layers from the north side of the front underneath surface waters on the south side. Cross-frontal advection in the thermocline is ...

Rolf G. Lueck

1988-12-01T23:59:59.000Z

127

SINGLE- AND TWO-COMPONENT GAMMA-RAY BURST SPECTRA IN THE FERMI GBM-LAT ENERGY RANGE  

Science Conference Proceedings (OSTI)

Most Fermi gamma-ray burst spectra appear as either a broken power law extending to GeV energies or as a broken power with a separate GeV power-law component. Here we show that such spectra can be understood in terms of magnetically dominated relativistic jets where a dissipative photosphere produces the prompt MeV emission, which is extended into the GeV range by inverse Compton scattering in the external shock, with possible contributions from a reverse shock as well. The bulk Lorentz factors required in these models are in the range of 300-600, and the MeV-GeV time delays arise naturally. In some cases an optical flash and a sub-dominant thermal component are also present.

Veres, P.; Meszaros, P., E-mail: veresp@psu.edu, E-mail: nnp@astro.psu.edu [Department of Astronomy and Astrophysics, Department of Physics, and Center for Particle Astrophysics, 525 Davey Lab., Pennsylvania State University, University Park, PA 16802 (United States)

2012-08-10T23:59:59.000Z

128

Experimental search for solar hidden photons in the eV energy range using kinetic mixing with photons  

E-Print Network (OSTI)

We have searched for solar hidden photons in the eV energy range using a dedicated hidden photon detector. The detector consisted of a parabolic mirror with a diameter of 500mm and a focal length of 1007mm installed in a vacuum chamber, and a photomultiplier tube at its focal point. The detector was attached to the Tokyo axion helioscope, Sumico which has a mechanism to track the sun. From the result of the measurement, we found no evidence for the existence of hidden photons and set a limit on the photon-hidden photon mixing parameter \\chi depending on the hidden photon mass m_{\\gamma '}.

T. Mizumoto; R. Ohta; T. Horie; J. Suzuki; Y. Inoue; M. Minowa

2013-02-05T23:59:59.000Z

129

HINS Linac front end focusing system R&D  

SciTech Connect

This report summarizes current status of an R&D program to develop a focusing system for the front end of a superconducting RF linac. Superconducting solenoids will be used as focusing lenses in the low energy accelerating sections of the front end. The development of focusing lenses for the first accelerating section is in the production stage, and lens certification activities are in preparation at FNAL. The report contains information about the focusing lens design and performance, including solenoid, dipole corrector, and power leads, and about cryogenic system design and performance. It also describes the lens magnetic axis position measurement technique and discusses scope of an acceptance/certification process.

Apollinari, G.; Carcagno, R.H.; Dimarco, J.; Huang, Y.; Kashikhin, V.V.; Orris, D.F.; Page, T.M.; Rabehl, R.; Sylvester, C.; Tartaglia, M.A.; Terechkine, I.; /Fermilab /Argonne

2008-08-01T23:59:59.000Z

130

NREL Reveals Links Among Climate Control, Battery Life, and Electric Vehicle Range (Fact Sheet), Innovation: The Spectrum of Clean Energy Innovation, NREL (National Renewable Energy Laboratory)  

NLE Websites -- All DOE Office Websites (Extended Search)

Reveals Links Among Reveals Links Among Climate Control, Battery Life, and Electric Vehicle Range Researchers at the National Renewable Energy Laboratory (NREL) are providing new insights into the relationships between the climate-control systems of plug-in electric vehicles and the distances these vehicles can travel on a single charge. In particular, NREL research has determined that "preconditioning" a vehicle- achieving a comfortable cabin temperature and preheating or precooling the battery while the vehicle is still plugged in-can extend its driving range and improve battery life over the long term. One of the most significant barriers to widespread deployment of electric vehicles is range anxiety-a driver's uncertainty about the vehicle's ability to reach a destination before fully

131

Experimental search for solar hidden photons in the eV energy range using kinetic mixing with photons  

E-Print Network (OSTI)

We have searched for solar hidden photons in the eV energy range using a dedicated hidden photon detector. The detector consisted of a parabolic mirror with a diameter of 500mm and a focal length of 1007mm installed in a vacuum chamber, and a photomultiplier tube at its focal point. The detector was attached to the Tokyo axion helioscope, Sumico which has a mechanism to track the sun. From the result of the measurement, we found no evidence for the existence of hidden photons and set a limit on the photon-hidden photon mixing parameter \\chi depending on the hidden photon mass m_{\\gamma '}. This limit is most stringent in the hidden photon mass region between 10^{-3} and 10^{-1} eV.

Mizumoto, T; Horie, T; Suzuki, J; Inoue, Y; Minowa, M

2013-01-01T23:59:59.000Z

132

Collision energy dependence of the HD,, 2... product rotational distribution of the HD2 reaction in the range 1.301.89 eV  

E-Print Network (OSTI)

Collision energy dependence of the HD,, ?2... product rotational distribution of the H¿D2 reaction of the collision energy dependence of the HD( 2,j ) rotational product state distribution for the H D2 reaction the behavior of the HD( 2,j ) product rotational distribution over the collision energy range of 1.30­1.89 e

Zare, Richard N.

133

SYNCHROTRON POLARIZATION AND SYNCHROTRON SELF-ABSORPTION SPECTRA FOR A POWER-LAW PARTICLE DISTRIBUTION WITH FINITE ENERGY RANGE  

SciTech Connect

We have derived asymptotic forms for the degree of polarization of the optically thin synchrotron and for synchrotron self-absorption (SSA) spectra assuming a power-law particle distribution of the form N({gamma}) {approx} {gamma}{sup -p} with {gamma}{sub 1} < {gamma} < {gamma}{sub 2}, especially for a finite high-energy limit, {gamma}{sub 2}, in the case of an arbitrary pitch angle. The new results inferred concern more especially the high-frequency range x >> {eta}{sup 2} with parameter {eta} = {gamma}{sub 2}/{gamma}{sub 1}. The calculated SSA spectra concern instantaneous photon emission where cooling effects are not considered. They have been obtained by also ignoring likely effects such as Comptonization, pair creation and annihilation, as well as magnetic photon splitting. To that aim, in addition to the two usual absorption frequencies, a third possible one has been derived and expressed in terms of the Lambert W function based on the analytical asymptotic form of the absorption coefficient, {alpha}{sub {nu}}, for the high-frequency range {nu} >> {nu}{sub 2} (with {nu}{sub 2} the synchrotron frequency corresponding to {gamma}{sub 2}). We have shown that the latter frequency may not have realistic applications in astrophysics, except in the case of an adequate set of parameters allowing one to neglect Comptonization effects. More detailed calculations and discussions are presented.

Fouka, M. [Research Center in Astronomy, Astrophysics and Geophysics, B.P. 63, Algiers Observatory, Bouzareah, Algiers (Algeria); Ouichaoui, S., E-mail: m.fouka@craag.dz, E-mail: souichaoui@usthb.dz [Laboratory of Nuclear Sciences, Faculty of Physics, University of Sciences and Technology H. Boumediene, B.P. 32, 16111 Bab Ezzouar, Algiers (Algeria)

2011-12-10T23:59:59.000Z

134

Front Vehicle Setup Information Downloadable Dynamometer Database...  

NLE Websites -- All DOE Office Websites (Extended Search)

Chevrolet Volt- 20F Test cell location Front Vehicle Setup Information Downloadable Dynamometer Database (D 3 )- Test Summary Sheet Vehicle architecture EREV Vehicle dynamometer...

135

Building Energy Simulation Test for Existing Homes (BESTEST-EX): Instructions for Implementing the Test Procedure, Calibration Test Reference Results, and Example Acceptance-Range Criteria  

Science Conference Proceedings (OSTI)

This publication summarizes building energy simulation test for existing homes (BESTEST-EX): instructions for implementing the test procedure, calibration tests reference results, and example acceptance-range criteria.

Judkoff, R.; Polly, B.; Bianchi, M.; Neymark, J.; Kennedy, M.

2011-08-01T23:59:59.000Z

136

Tracking thermal fronts with temperature-sensitive, chemically reactive tracers  

DOE Green Energy (OSTI)

Los Alamos is developing tracer techniques using reactive chemicals to track thermal fronts in fractured geothermal reservoirs. If a nonadsorbing tracer flowing from the injection to production well chemically reacts, its reaction rate will be a strong function of temperature. Thus the extent of chemical reaction will be greatest early in the lifetime of the system, and less as the thermal front progresses from the injection to production well. Early laboratory experiments identified tracers with chemical kinetics suitable for reservoirs in the temperature range of 75 to 100/sup 0/C. Recent kinetics studies have focused on the kinetics of hydrolysis of derivatives of bromobenzene. This class of reactions can be used in reservoirs ranging in temperature from 150 to 275/sup 0/C, which is of greater interest to the geothermal industry. Future studies will include laboratory adsorption experiments to identify possibly unwanted adsorption on granite, development of sensitive analytical techniques, and a field demonstration of the reactive tracer concept.

Robinson, B.A.; Birdsell, S.A.

1987-01-01T23:59:59.000Z

137

A Laboratory Model of Thermocline Depth and Exchange Fluxes across Circumpolar Fronts  

Science Conference Proceedings (OSTI)

A laboratory experiment has been constructed to investigate the possibility that the equilibrium depth of a circumpolar front is set by a balance between the rate at which potential energy is created by mechanical and buoyancy forcing and the ...

Claudia Cenedese; John Marshall; J. A. Whitehead

2004-03-01T23:59:59.000Z

138

Physics of low energy pion production. [Threshold and 3-3 regions, cross sections, off-shell T matrix and interaction range  

SciTech Connect

Current thoughts about pion production in nucleon-nucleon collisions at threshold and into the energy region corresponding to production in the 3-3 region are briefly presented. Special emphasis is placed on the relation between the range of the interactions and the range of the off-shell t-matrix. Comparison is made between recent calculations and polarization asymmetry data.

Gibbs, W.R.

1977-01-01T23:59:59.000Z

139

Intrusion Characteristics in the Antarctic Polar Front  

Science Conference Proceedings (OSTI)

Data obtained on two cruises to the Antarctic Polar Front are used to investigate the nature of thermohaline intrusions in the front. These data, obtained in the Drake Passage and south of New Zealand, include CTD time series made relative to ...

John M. Toole

1981-06-01T23:59:59.000Z

140

Cold Front Acceleration over Lake Michigan  

Science Conference Proceedings (OSTI)

High-resolution Eta Model simulations of a strong but relatively dry late winter surface cold front that occurred during the STORM-FEST project depicted a pronounced acceleration of the front during the afternoon hours over the southern end of ...

William A. Gallus Jr.; Moti Segal

1999-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

The light-front vacuum and dynamics  

E-Print Network (OSTI)

I give a quantum theoretical description of kinematically invariant vacuua on the algebra of free fields restricted to a light front and discuss the relation between the light-front Hamiltonian, P-, the vacuum, and Poincare invariance. This provides a quantum theoretical description of zero modes.

W. N. Polyzou

2004-09-22T23:59:59.000Z

142

Building Energy Simulation Test for Existing Homes (BESTEST-EX): Instructions for Implementing the Test Procedure, Calibration Test Reference Results, and Example Acceptance-Range Criteria  

NLE Websites -- All DOE Office Websites (Extended Search)

Building Energy Simulation Test for Building Energy Simulation Test for Existing Homes (BESTEST-EX): Instructions for Implementing the Test Procedure, Calibration Test Reference Results, and Example Acceptance-Range Criteria Ron Judkoff, Ben Polly, and Marcus Bianchi National Renewable Energy Laboratory Joel Neymark J. Neymark & Associates Mike Kennedy Mike D. Kennedy, Inc. Link to Accompanying Zipped Data Files (3.9 MB) This document is intended for use with the following documents: Building Energy Simulation Test for Existing Homes (BESTEST-EX), NREL/TP-550-47427 Example Procedures for Developing Acceptance-Range Criteria for BESTEST-EX, NREL/TP-550-47502 Technical Report NREL/TP-5500-52414 August 2011 NREL is a national laboratory of the U.S. Department of Energy, Office of Energy

143

An active-optic x-ray fluorescence analyzer with high energy resolution, large solid angle coverage, and a large tuning range  

SciTech Connect

A crystal-optic x-ray fluorescence energy analyzer has been designed and tested, which combines the features of electron-volt energy resolution, large solid angle coverage, and tunability over several kilo-electron-volts. The design is based upon the principle of active optics, with ten actuators available to optimally adjust the shape of a silicon crystal used in the Bragg geometry. In most applications the shape is that of a logarithmic spiral for high energy resolution with a spatially nonresolving detector, but a wide range of other shapes is also possible for applications such as imaging or single-shot spectroscopy in a spectral range of the operator's choosing.

Adams, Bernhard W.; Attenkofer, Klaus [Argonne National Laboratory, Argonne, Illinois 60439 (United States)

2008-02-15T23:59:59.000Z

144

RADIO RANGING DEVICE  

DOE Patents (OSTI)

A radio ranging device is described. It utilizes a super regenerative detector-oscillator in which echoes of transmitted pulses are received in proper phase to reduce noise energy at a selected range and also at multiples of the selected range.

Nieset, R.T.

1961-05-16T23:59:59.000Z

145

Higher-order differencing for phase-front propagation in geothermal systems  

DOE Green Energy (OSTI)

We are testing higher-order differencing total variation diminishing schemes implemented in the reservoir simulator TOUGH2 to reduce numerical dispersion of phase fronts in geothermal flow problems. The schemes are called total variation diminishing because they employ flux limiters to prevent spurious oscillations that sometimes occur with other higher-order differencing schemes near sharp fronts. Thus it appears that total variation diminishing schemes rely on an implicit assumption that the overall variability of advected quantities stays constant or diminishes with time. We use the Leonard total variation diminishing scheme in two special problems designed to test the applicability of the scheme for cases where this implicit assumption is violated. In the first problem, we investigate the isothermal propagation of a phase front in a composite porous medium where phase saturation increases as the front enters the second medium. In the second problem, we investigate the propagation of a phase front where boiling increases the saturation difference across the front as it propagates. In the composite porous medium problem, we find that spurious phase saturations can arise if the weighting scheme is based on relative permeability; for weighting based on phase saturation, no such oscillation arises. In the boiling front propagation problem, the front position is highly sensitive to weighting scheme, and the Leonard total variation diminishing scheme is more accurate than upstream weighting because it decreases numerical dispersion in the thermal energy equation.

Oldenburg, Curtis; Pruess, Karsten

1998-01-09T23:59:59.000Z

146

Pressure transient method for front tracking  

DOE Green Energy (OSTI)

A pressure transient technique for tracking the advance of cold water fronts during water flooding and goethermal injection operations has been developed. The technique is based on the concept that the steady state pressure buildup in the reservoir region inside the front can be calculated by a fluid skin factor. By analyzing successive pressure falloff tests, the advance of the front in the reservoir can be monitored. The validity of the methods is demonstrated by application to three numerically simulated data sets, a nonisothermal step-rate injection test, a series of pressure falloffs in a multilayered reservoir, and a series of pressure falloff tests in a water flooded oil reservoir.

Benson, S.M.; Bodvarsson, G.S.

1983-08-01T23:59:59.000Z

147

On the stability of subsonic thermal fronts  

Science Conference Proceedings (OSTI)

The stability of subsonic thermal fronts against corrugation is analyzed and an exact dispersion relation is obtained taking into account the compressibility of the gas. For heat fronts, this dispersion equation has an unstable root ({omega}{sub ex}) corresponding to the Landau-Darrieus unstable mode ({omega}{sub 0}) modified by the compressional effects. In particular, the exact solution shows a conspicuous maximum very close to the value of the intake Mach number M{sub 1} at which a Chapman-Jouguet deflagration wave behind the heat front is formed. Cooling fronts are stable for corrugation-like disturbances. A maximum damping as well as a maximum in the frequency occur at a value of M{sub 1} depending on the value of the normalized cooling q.

Ibanez S, Miguel H.; Shchekinov, Yuri; Bessega L, Maria C. [Centro de Fisica Fundamental, Facultad de Ciencias, Universidad de los Andes, Apartado 26, Ipostel, La Hechicera, Merida (Venezuela); Department of Physics, University of Rostov, Rostov on Don, 34409 (Russian Federation); Centro de Fisica Teorica y Computacional, Escuela de Fisica, Facultad de Ciencias, Universidad Central de Venezuela, Caracas (Venezuela)

2005-08-15T23:59:59.000Z

148

On the Minimum Scale of Surface Fronts  

Science Conference Proceedings (OSTI)

A series of numerical experiments of a surface front forced by stretching deformation using Clark's nonhydrostatic model at very high resolution is presented. These simulations are compared to those reported by Williams who used hydrostatic ...

R. L. Gall; R. T. Williams; T. L. Clark

1987-09-01T23:59:59.000Z

149

Climatology of Strong Intermountain Cold Fronts  

Science Conference Proceedings (OSTI)

Motivated by the intensity and severity of winds and temperature falls that frequently accompany rapidly developing cold fronts in northern Utah, this paper presents a 25-yr climatology of strong cold frontal passages over the Intermountain West ...

Jason C. Shafer; W. James Steenburgh

2008-03-01T23:59:59.000Z

150

Moist Convection at a Surface Cold Front  

Science Conference Proceedings (OSTI)

The motion of a surface cold front in an environment that is unstable to moist convection is studied with the aid ofboth hydrostatic and nonhydrostatic two-dimensional models. Simulations with the hydrostatic model essentially extend the work ...

N. Andrew Crook

1987-12-01T23:59:59.000Z

151

The Formation of New England Coastal Fronts  

Science Conference Proceedings (OSTI)

Coastal fronts are a frequent late fall and early winter feature of eastern New England weather. Data from a mesoscale observing network is used to describe the process of coastal frontogenesis and to determine the causes of formation. Three ...

John W. Nielsen

1989-07-01T23:59:59.000Z

152

Stationary Shock Fronts in a Continuously Stratified Thermocline Model  

Science Conference Proceedings (OSTI)

Fronts are ubiquitous in the ocean. Recent work by Dewar has considered the formation of oceanic fronts in a simple layered model.

A. J. George Nurser

1995-12-01T23:59:59.000Z

153

DOE Offers Conditional Loan Guarantee for Front End Nuclear Facility in  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DOE Offers Conditional Loan Guarantee for Front End Nuclear DOE Offers Conditional Loan Guarantee for Front End Nuclear Facility in Idaho DOE Offers Conditional Loan Guarantee for Front End Nuclear Facility in Idaho May 20, 2010 - 12:00am Addthis Washington, DC - As part of a broad effort to expand the use of nuclear power in the United States and reduce carbon pollution, U.S. Secretary of Energy Steven Chu announced today the Department's first conditional commitment for a front-end nuclear facility. The $2 billion loan guarantee will support AREVA's Eagle Rock Enrichment Facility near Idaho Falls, Idaho, which will supply uranium enrichment services for the U.S. nuclear power industry. "Increasing uranium enrichment in the United States is critical to the nation's energy and national security," said Secretary Chu. "Existing

154

Coevolution of inverse cascade and nonlinear heat front in shear flows of strongly coupled Yukawa liquids  

Science Conference Proceedings (OSTI)

Using classical molecular dynamics (MD) simulations, we report on the development and propagation of a nonlinear heat front in parallel shear flows of a strongly coupled Yukawa liquid. At a given coupling strength, a subsonic shear profile is superposed on an equilibrated Yukawa liquid and Kelvin Helmholtz (KH) instability is observed. Coherent vortices are seen to emerge towards the nonlinear regime of the instability. It is seen that while inverse cascade leads to a continuous transfer of flow energy towards the largest scales, there is also a simultaneous transfer of flow energy into the thermal velocities of grains at the smallest scale. The latter is an effect of velocity shear and thus leads to the generation of a nonlinear heat front. In the linear regime, the heat front is seen to propagate at speed much lesser than the adiabatic sound speed of the liquid. Spatio-temporal growth of this heat front occurs concurrently with the inverse cascade of KH modes.

Ashwin, J.; Ganesh, R. [Institute for Plasma Research, Bhat, Gandhinagar 382428, Gujarat (India)

2011-08-15T23:59:59.000Z

155

DOE Offers Conditional Loan Guarantee for Front End Nuclear Facility in  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DOE Offers Conditional Loan Guarantee for Front End Nuclear DOE Offers Conditional Loan Guarantee for Front End Nuclear Facility in Idaho DOE Offers Conditional Loan Guarantee for Front End Nuclear Facility in Idaho May 20, 2010 - 12:00am Addthis Washington, DC - As part of a broad effort to expand the use of nuclear power in the United States and reduce carbon pollution, U.S. Secretary of Energy Steven Chu announced today the Department's first conditional commitment for a front-end nuclear facility. The $2 billion loan guarantee will support AREVA's Eagle Rock Enrichment Facility near Idaho Falls, Idaho, which will supply uranium enrichment services for the U.S. nuclear power industry. "Increasing uranium enrichment in the United States is critical to the nation's energy and national security," said Secretary Chu. "Existing

156

Radio frequency circuits for wireless receiver front-ends  

E-Print Network (OSTI)

The beginning of the 21st century sees great development and demands on wireless communication technologies. Wireless technologies, either based on a cable replacement or on a networked environment, penetrate our daily life more rapidly than ever. Low operational power, low cost, small form factor, and function diversity are the crucial requirements for a successful wireless product. The receiver??s front-end circuits play an important role in faithfully recovering the information transmitted through the wireless channel. Bluetooth is a short-range cable replacement wireless technology. A Bluetooth receiver architecture was proposed and designed using a pure CMOS process. The front-end of the receiver consists of a low noise ampli?er (LNA) and mixer. The intermediate frequency was chosen to be 2MHz to save battery power and alleviate the low frequency noise problem. A conventional LNA architecture was used for reliability. The mixer is a modi?ed Gilbert-cell using the current bleeding technique to further reduce the low frequency noise. The front-end draws 10 mA current from a 3 V power supply, has a 8.5 dB noise ?gure, and a voltage gain of 25 dB and -9 dBm IIP3. A front-end for dual-mode receiver is also designed to explore the capability of a multi-standard application. The two standards are IEEE 802.11b and Bluetooth. They work together making the wireless experience more exciting. The front-end is designed using BiCMOS technology and incorporating a direct conversion receiver architecture. A number of circuit techniques are used in the front-end design to achieve optimal results. It consumes 13.6 mA from a 2.5 V power supply with a 5.5 dB noise ?gure, 33 dB voltage gain and -13 dBm IIP3. Besides the system level contributions, intensive studies were carried out on the development of quality LNA circuits. Based on the multi-gated LNA structure, a CMOS LNA structure using bipolar transistors to provide linearization is proposed. This LNA con?guration can achieve comparable linearity to its CMOS multi-gated counterpart and work at a higher frequency with less power consumption. A LNA using an on-chip transformer source degeneration is proposed to realize input impedance matching. The possibility of a dual-band cellular application is studied. Finally, a study on ultra-wide band (UWB) LNA implementation is performed to explore the possibility and capability of CMOS technology on the latest UWB standard for multimedia applications.

Xin, Chunyu

2004-08-01T23:59:59.000Z

157

Neutron kerma factors for H, C, N, O, and tissue in the energy range of 20 to 70 MeV  

DOE Green Energy (OSTI)

Calculated kerma factors (kerma per unit fluence) in the energy range of 20 to 70 MeV based on nonelastic charged-particle-production cross-section data obtained from the intranuclear-cascade model of nuclear reactions are given for H, C, N, O, and tissue.

Alsmiller, R.G. Jr.; Barish, J.

1976-12-01T23:59:59.000Z

158

Yakutsk array radio emission registration results in the energy range of 3*10^16-5*10^18 eV  

E-Print Network (OSTI)

This paper presents the set of measurements of ultra-high energy air shower radio emission at frequency 32 MHz in period of 2008-2012. The showers are selected by geomagnetic and azimuth angles and then by the energy in three intervals: 3*10^16 3*10^17 eV, 3*10^17 6*10^17 eV and 6*10^17 5*10^18 eV. In each energy interval average lateral distribution function using mathematically averaged data from antennas with di?fferent directions are plotted. In the paper, using experimental data the dependence of radio signal averaged amplitude from geomagnetic angle, the shower axis distance and the energy are determined. Depth of maximum of cosmic ray showers Xmax for the given energy range is evaluated. The evaluation is made according QGSJET model calculations and average lateral distribution function shape.

Petrov, I; Petrov, Z; Kozlov, V; Pravdin, M

2013-01-01T23:59:59.000Z

159

QCD and Light-Front Dynamics  

SciTech Connect

AdS/QCD, the correspondence between theories in a dilaton-modified five-dimensional anti-de Sitter space and confining field theories in physical space-time, provides a remarkable semiclassical model for hadron physics. Light-front holography allows hadronic amplitudes in the AdS fifth dimension to be mapped to frame-independent light-front wavefunctions of hadrons in physical space-time. The result is a single-variable light-front Schroedinger equation which determines the eigenspectrum and the light-front wavefunctions of hadrons for general spin and orbital angular momentum. The coordinate z in AdS space is uniquely identified with a Lorentz-invariant coordinate {zeta} which measures the separation of the constituents within a hadron at equal light-front time and determines the off-shell dynamics of the bound state wavefunctions as a function of the invariant mass of the constituents. The hadron eigenstates generally have components with different orbital angular momentum; e.g., the proton eigenstate in AdS/QCD with massless quarks has L = 0 and L = 1 light-front Fock components with equal probability. Higher Fock states with extra quark-anti quark pairs also arise. The soft-wall model also predicts the form of the nonperturbative effective coupling and its {beta}-function. The AdS/QCD model can be systematically improved by using its complete orthonormal solutions to diagonalize the full QCD light-front Hamiltonian or by applying the Lippmann-Schwinger method to systematically include QCD interaction terms. Some novel features of QCD are discussed, including the consequences of confinement for quark and gluon condensates. A method for computing the hadronization of quark and gluon jets at the amplitude level is outlined.

Brodsky, Stanley J.; de Teramond, Guy F.; /SLAC /Southern Denmark U., CP3-Origins /Costa Rica U.

2011-01-10T23:59:59.000Z

160

Light-Front Holography and the Light-Front Schrodinger Equation  

SciTech Connect

One of the most important nonperturbative methods for solving QCD is quantization at fixed light-front time {tau} = t+z=c - Dirac's 'Front Form'. The eigenvalues of the light-front QCD Hamiltonian predict the hadron spectrum and the eigensolutions provide the light-front wavefunctions which describe hadron structure. More generally, we show that the valence Fock-state wavefunctions of the light-front QCD Hamiltonian satisfy a single-variable relativistic equation of motion, analogous to the nonrelativistic radial Schrodinger equation, with an effective confining potential U which systematically incorporates the effects of higher quark and gluon Fock states. We outline a method for computing the required potential from first principles in QCD. The holographic mapping of gravity in AdS space to QCD, quantized at fixed light-front time, yields the same light front Schrodinger equation; in fact, the soft-wall AdS/QCD approach provides a model for the light-front potential which is color-confining and reproduces well the light-hadron spectrum. One also derives via light-front holography a precise relation between the bound-state amplitudes in the fifth dimension of AdS space and the boost-invariant light-front wavefunctions describing the internal structure of hadrons in physical space-time. The elastic and transition form factors of the pion and the nucleons are found to be well described in this framework. The light-front AdS/QCD holographic approach thus gives a frame-independent first approximation of the color-confining dynamics, spectroscopy, and excitation spectra of relativistic light-quark bound states in QCD.

Brodsky, Stanley J.; de Teramond, Guy

2012-08-15T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

DSD front models : nonideal explosive detonation  

SciTech Connect

The Detonation Shock Dynamics (DSD) method for propagating detonation in numerical simulation of detonation in high explosive (HE) is based on three elements: (1) a subscale theory of multi-dimensional detonation that treats the evolving detonation as a front with dynamics that depends only on metrics of the front (such as curvature, etc.), (2) high-resolution direct numerical sirnuliltion of detonation serving both to test existing subscale theories and suggest modifications, and (3) physical experiments to characterize multi-dimensional detonation propagation on real explosives and to calibrate the front models for use in engineering simulations. In this paper we describe our work on all three of these elements of the DSD method as it applies to detonation in nonideal explosives.

Bdzil, J. B. (John Bohdan); Short, M. (Mark Short); Aslam, T. D. (Tariq D.); Catanach, R. A. (Richard A.); Hill, L. G. (Larry G.)

2001-01-01T23:59:59.000Z

162

Energy dependence of directed flow over a wide range of pseudorapidity in Au+Au collisions at RHIC  

E-Print Network (OSTI)

We report on measurements of directed flow as a function of pseudorapidity in Au+Au collisions at energies of $\\sqrt{s_{_{NN}}} =$ 19.6, 62.4, 130 and 200 GeV as measured by the PHOBOS detector at the Relativistic Heavy Ion Collider (RHIC). These results are particularly valuable because of the extensive, continuous pseudorapidity coverage of the PHOBOS detector. There is no significant indication of structure near midrapidity and the data surprisingly exhibit extended longitudinal scaling similar to that seen for elliptic flow and charged particle pseudorapidity density.

B. B. Back; for the PHOBOS Collaboration

2005-11-22T23:59:59.000Z

163

NREL: Energy Systems Integration - U.S. DOE's Energy Systems...  

NLE Websites -- All DOE Office Websites (Extended Search)

February 2013 U.S. DOE's Energy Systems Integration Facility at NREL photo showing the front view of the entrance to the Energy Systems Integration Facility Front view of the...

164

Average crack front velocity during subcritical fracture propagation in a heterogeneous medium  

E-Print Network (OSTI)

the free energy, and thus the energy barrier, via numerous competing mech- anisms like stress corrosion speed of crack growth with increasing G; a weak stress- sensitive regime II follows where transportAverage crack front velocity during subcritical fracture propagation in a heterogeneous medium

Ampuero, Jean Paul

165

An Objective Climatology of Carolina Coastal Fronts  

E-Print Network (OSTI)

This study describes a simple objective method to identify cases of coastal frontogenesis offshore of the Carolinas and to characterize the sensible weather associated with frontal passage at measurement sites near the coast. The identification method, based on surface hourly data from offshore and adjacent land stations, was applied to an 11-yr dataset (198494). A total of 379 coastal fronts was found, 70 of which eventually made landfall along the North Carolina coast; 112 that remained offshore, and 197 were termed diurnal since they remained offshore but disappeared during daylight hours. Results show that most coastal and offshore sites experience a wind shift of about 4070 and a warming of about 23C during the hour of frontal passage. Exceptions include sites near colder waters where the rates are markedly reduced and frontal passage is often less discernible. Excluding diurnal fronts, just over half the cases were associated with cold-air damming (CAD) during the cold season of 16 October15 April. Most of these winter cases linked with CAD were onshore fronts. During the warm season, most fronts were diurnal, but the association with CAD was still significant. To explore the synoptic-scale environment, composite maps for the cold season were generated for all three frontal subtypes from NCEPNCAR reanalysis data. Results show a strong surface anticyclone

K. Wyat Appel; Allen J. Riordan; Timothy A. Holley

2004-01-01T23:59:59.000Z

166

An Instability of Mature Cold Fronts  

Science Conference Proceedings (OSTI)

An instability of a cold front possessing a low-level warm-band precursor is examined within an f-plane, quasi- and semigeostrophic framework. The basic frontal state is taken to be two-dimensional and of uniform potential vorticity. Theoretical ...

Christoph Schr; Huw C. Davies

1990-04-01T23:59:59.000Z

167

Alternative Muon Front-end for the International Design Study (IDS)  

E-Print Network (OSTI)

We discuss alternative designs of the muon capture front end of the Neutrino Factory International Design Study (IDS). In the front end, a proton bunch on a target creates secondary pions that drift into a capture channel, decaying into muons. A sequence of RF cavities forms the resulting muon beams into strings of bunches of differing energies, aligns the bunches to (nearly) equal central energies, and initiates ionization cooling. This design is affected by limitations on accelerating gradients within magnetic fields. The effects of gradient limitations are explored, and mitigation strategies are presented

Alekou, A; Martini, M; Prior, G; Rogers, C; Stratakis, D; Yoshikawa, C; Zisman, M

2010-01-01T23:59:59.000Z

168

Front contact solar cell with formed emitter  

SciTech Connect

A bipolar solar cell includes a backside junction formed by an N-type silicon substrate and a P-type polysilicon emitter formed on the backside of the solar cell. An antireflection layer may be formed on a textured front surface of the silicon substrate. A negative polarity metal contact on the front side of the solar cell makes an electrical connection to the substrate, while a positive polarity metal contact on the backside of the solar cell makes an electrical connection to the polysilicon emitter. An external electrical circuit may be connected to the negative and positive metal contacts to be powered by the solar cell. The positive polarity metal contact may form an infrared reflecting layer with an underlying dielectric layer for increased solar radiation collection.

Cousins, Peter John (Menlo Park, CA)

2012-07-17T23:59:59.000Z

169

Pentan isomers compound flame front structure  

DOE Green Energy (OSTI)

The fuels (hexane, pentane, diethyl ether) and conditions investigated in this study are relevant to engine knock in spark- ignition engines. A review is provided of the field of low temperature hydrocarbon oxidation. Studies were made of radical and stable intermediate distribution in the front of cool flames: Maximum concentrations of H atoms and peroxy radicals were observed in the luminous zone of the cool flame front. Peroxy radicals appear before the luminous zone at 430 K due to diffusion. H atoms were found in cool flames of butane and hexane. H atoms diffuses from the luminous zone to the side of the fresh mixture, and they penetrate into the fresh mixture to a small depth. Extension of action sphear of peroxy radicals in the fresh mixture is much greater than that of H atoms due to their small activity and high concentrations.

Mansurov, Z.A.; Mironenko, A.W.; Bodikov, D.U.; Rachmetkaliev, K.N. [Kazakh Al-Farabi State National Univ., Almaty (Kazakhstan)

1995-08-13T23:59:59.000Z

170

A Conservative Front Tracking Method in N-Dimensions  

Science Conference Proceedings (OSTI)

We propose a fully conservative Front Tracking algorithm for systems of nonlinear conservation laws. The algorithm can be applied uniformly in one, two, three and N dimensions. Implementation details for this algorithm ... Keywords: Front tracking, conservation, discontinuity

Jinjie Liu; Hyun-Kyung Lim; James Glimm; Xiaolin Li

2007-05-01T23:59:59.000Z

171

The Vertical Structure of New England Coastal Fronts  

Science Conference Proceedings (OSTI)

Aircraft data from the New England Winter Storms Experiment (NEWSEX) are used to examine the vertical structure of four New England coastal fronts. The aircraft made multiple passes at varying elevations through the coastal fronts. The ...

John W. Nielsen; Peter P. Neilley

1990-09-01T23:59:59.000Z

172

Gust Front Characteristics as Detected by Doppler Radar  

Science Conference Proceedings (OSTI)

Gust fronts produce low altitude wind shear that can be hazardous to aircraft operations, especially during takeoff and landing. Radar meteorologists have long been able to identify gust front signatures in Doppler radar data, but in order to use ...

Diana L. Klingle; David R. Smith; Marilyn M. Wolfson

1987-05-01T23:59:59.000Z

173

Progress with the SNS front-end systems  

E-Print Network (OSTI)

47317 PROGRESS WITH THE SNS FRONT-END SYSTEMS* R. Keller,**the FES Team, Status of the SNS Front-End Sys- tems, Paperof the LEBT Layout for SNS, Paper MOD19, Linac 2000,

2001-01-01T23:59:59.000Z

174

Mutual Intrusion of a Gravity Current and Density Front Formation  

Science Conference Proceedings (OSTI)

A two-dimensional prognostic model was employed to examine the mutual intrusion of a gravity current and the formation of a density front. The results indicated strong vertical motion near the front and, with Earth rotation included, a baroclinic ...

Dono-Ping Wang

1984-07-01T23:59:59.000Z

175

RADIO RANGING DEVICE  

DOE Patents (OSTI)

A description is given of a super-regenerative oscillator ranging device provided with radiating and receiving means and being capable of indicating the occurrence of that distance between itself and a reflecting object which so phases the received echo of energy of a preceding emitted oscillation that the intervals between oscillations become uniform.

Bogle, R.W.

1960-11-22T23:59:59.000Z

176

Design of the NSLS-II Linac Front End Test Stand  

SciTech Connect

The NSLS-II operational parameters place very stringent requirements on the injection system. Among these are the charge per bunch train at low emittance that is required from the linac along with the uniformity of the charge per bunch along the train. The NSLS-II linac is a 200 MeV linac produced by Research Instruments Gmbh. Part of the strategy for understanding to operation of the injectors is to test the front end of the linac prior to its installation in the facility. The linac front end consists of a 100 kV electron gun, 500 MHz subharmonic prebuncher, focusing solenoids and a suite of diagnostics. The diagnostics in the front end need to be supplemented with an additional suite of diagnostics to fully characterize the beam. In this paper we discuss the design of a test stand to measure the various properties of the beam generated from this section. In particular, the test stand will measure the charge, transverse emittance, energy, energy spread, and bunching performance of the linac front end under all operating conditions of the front end.

Fliller III, R.; Johanson, M.; Lucas, M.; Rose, J.; Shaftan, T.

2011-03-28T23:59:59.000Z

177

Elastic Scattering of {sup 7}Li+{sup 27}Al at Backward Angles in the 7-11 MeV Energy Range for Application in RBS  

Science Conference Proceedings (OSTI)

We have measured elastic excitation functions for the {sup 7}Li+{sup 27}Al system, in an energy range close to its Coulomb barrier (E{sub lab} = 8.4 MeV) in steps of 0.25 MeV. For this purpose, an array of eight surface-barrier detectors was used. To get an insight on the background composition (mainly {alpha} particles), a telescope-detector was used for atomic-number identification. Identical measurements for the {sup 6}Li+{sup 27}Al system are planned for the near future.

Carnelli, P. F. F.; Arazi, A.; Cardona, M. A.; Figueira, J. M.; Hojman, D.; Martinez Heimann, D.; Negri, A. E.; Pacheco, A. J. [Laboratorio TANDAR, CNEA, Av. Gral. Paz 1499, B1650KNA, San Martin, Buenos Aires (Argentina); CONICET, Av. Rivadavia 1917, C1033AAJ, Buenos Aires (Argentina); Abriola, D. [IAEA, NAPC-NDS, Vienna International Centre, PO Box 100, Vienna (Austria); Capurro, O. A.; Fimiani, L.; Grinberg, P.; Marti, G. V. [Laboratorio TANDAR, CNEA, Av. Gral. Paz 1499, B1650KNA, San Martin, Buenos Aires (Argentina); Fernandez Niello, J. O. [Laboratorio TANDAR, CNEA, Av. Gral. Paz 1499, B1650KNA, San Martin, Buenos Aires (Argentina); CONICET, Av. Rivadavia 1917, C1033AAJ, Buenos Aires (Argentina); UNSAM, Campus Miguelete, B1650BWA, San Martin, Buenos Aires (Argentina)

2010-08-04T23:59:59.000Z

178

Thermally induced wave-front distortions in laser windows  

SciTech Connect

A simple analytical expression is given for wave-front distortions and birefringence due to heating in laser windows. (AIP)

Greninger, C.E.

1986-08-01T23:59:59.000Z

179

RANGE DESIGN CRITERIA  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

RANGE DESIGN CRITERIA RANGE DESIGN CRITERIA U.S. DEPARTMENT OF ENERGY Office of Health, Safety and Security AVAILABLE ONLINE AT: INITIATED BY: http://www.hss.energy.gov Office of Health, Safety and Security Notices This document is intended for the exclusive use of elements of the Department of Energy (DOE), to include the National Nuclear Security Administration, their contractors, and other government agencies/individuals authorized to use DOE facilities. DOE disclaims any and all liability for personal injury or property damage due to use of this document in any context by any organization, group, or individual, other than during official government activities. Local DOE management is responsible for the proper execution of firearms-related programs for

180

Study of n-? discrimination in low energy range (above 40 keVee) by charge comparison method with a BC501A liquid scintillation detector  

E-Print Network (OSTI)

A VME-based experiment system for n-{\\gamma} discrimination using the charge comparison method was established. A data acquisition program for controlling the programmable modules and processing data online via VME64X bus was developed through the use of LabVIEW. The two-dimensional (2D) scatter plots of the charge in the slow component vs. the total charge of recorded pulses from Am-Be and Cf neutron sources were presented. The 2D scatter plots of the energy vs. the ratio of the charge in the slow component to the total charge of the pulses were presented at the meantime. The quality of n-{\\gamma} discrimination was checked by the figure-of-merit, and the results showed good performance of n-{\\gamma} discrimination at low energy range. Neutrons and {\\gamma}-rays were separated above 50 keVee (electron-equivalent energy). The quality of n-{\\gamma} discrimination have been improved compared with others' results at 5 energies (150, 250, 350, 450, 550 keVee).

Yonghao Chen; Ximeng Chen; Xiaodong Zhang; Jiarong Lei; Li An; Jianxiong Shao; Pu Zheng; Xinhua Wang; Chuanxin Zhu; Tie He; Jian Yang

2013-10-31T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

An improved front tracking method for the Euler equations  

Science Conference Proceedings (OSTI)

An improved front tracking method for hyperbolic conservation laws is presented. The improved method accurately resolves discontinuities as well as continuous phenomena. The method is based on an improved front interaction model for a physically more ... Keywords: 35L65, 35L67, 65M12, 76L05, 76N15, Euler equations, Front tracking, Gas dynamics, Hyperbolic conservation laws

J. A. S. Witteveen; B. Koren; P. G. Bakker

2007-06-01T23:59:59.000Z

182

The Resonant Interaction of a Tropical Cyclone and a Tropopause Front in a Barotropic Model. Part I: Zonally Oriented Front  

Science Conference Proceedings (OSTI)

The interaction of a tropical cyclone and a zonally aligned tropopause front is investigated in an idealized framework. A nondivergent barotropic model is used in which the front is represented by a vorticity step, giving a jetlike velocity ...

Leonhard Scheck; Sarah C. Jones; Martin Juckes

2011-03-01T23:59:59.000Z

183

Neutron range spectrometer  

DOE Patents (OSTI)

A neutron range spectrometer and method for determining the neutron energy spectrum of a neutron emitting source are disclosed. Neutrons from the source are colliminated along a collimation axis and a position sensitive neutron counter is disposed in the path of the collimated neutron beam. The counter determines positions along the collimation axis of interactions between the neutrons in the neutron beam and a neutron-absorbing material in the counter. From the interaction positions, a computer analyzes the data and determines the neutron energy spectrum of the neutron beam. The counter is preferably shielded and a suitable neutron-absorbing material is He-3. 1 fig.

Manglos, S.H.

1988-03-10T23:59:59.000Z

184

Measures of the Environmental Footprint of the Front End of the Nuclear Fuel Cycle  

Science Conference Proceedings (OSTI)

Previous estimates of environmental impacts associated with the front end of the nuclear fuel cycle have focused primarily on energy consumption and CO2 emissions. Results have varied widely. Section 2 of this report provides a summary of historical estimates. This study revises existing empirical correlations and their underlying assumptions to fit to a more complete set of existing data. This study also addresses land transformation, water withdrawals, and occupational and public health impacts associated with the processes of the front end of the once-through nuclear fuel cycle. These processes include uranium mining, milling, refining, conversion, enrichment, and fuel fabrication. Metrics are developed to allow environmental impacts to be summed across the full set of front end processes, including transportation and disposition of the resulting depleted uranium.

Brett Carlsen; Emily Tavrides; Erich Schneider

2010-08-01T23:59:59.000Z

185

Calibration of X-ray detectors in the 8 to 115 keV energy range and their application to diagnostics on the National Ignition Facility  

Science Conference Proceedings (OSTI)

The calibration of X-ray diagnostics is of paramount importance to the National Ignition Facility (NIF) at Lawrence Livermore National Laboratory (LLNL). National Security Technologies LLC (NSTec) fills this need by providing a wide variety of calibration and diagnostic development services in support of the ongoing research efforts at NIF. The X-ray source in the High Energy X-ray lab utilizes induced fluorescence in a variety of metal foils to produce a beam of characteristic X rays ranging from 8 to 111 keV. Presented are the methods used for calibrating a High Purity Germanium detector, which has been absolutely calibrated using radioactive check sources, compared against a silicon photodiode calibrated at Physikalisch Technische Bundesanstalt (PTB). Also included is a limited presentation of results from the recent calibration of the upgraded Filter Fluorescer X ray Spectrometer.

J. J. Lee, M. J. Haugh, G. LaCaille, and P. Torres

2012-10-01T23:59:59.000Z

186

Multiscale Analysis of a Meso-? Frontal Passage in the Complex Terrain of the Colorado Front Range  

Science Conference Proceedings (OSTI)

Data from a mesoscale observing network are used to describe the evolution of a complex boundary between a dry air mass near the foothills of the Rocky Mountains and a shallow moist air mass over the eastern plains. Synoptic-scale analyses ...

Lisa S. Darby; William D. Neff; Robert M. Banta

1999-09-01T23:59:59.000Z

187

Federal Energy Management Program: Wind Energy Resources and...  

NLE Websites -- All DOE Office Websites (Extended Search)

Wind Energy Resources and Technologies Photo of multiple wind turbines stand on green space in front of a mountain backdrop. The Department of Energy tests wind turbine...

188

Spatially hybrid computations for streamer discharges with generic features of pulled fronts: I. Planar fronts  

Science Conference Proceedings (OSTI)

Streamers are the first stage of sparks and lightning; they grow due to a strongly enhanced electric field at their tips; this field is created by a thin curved space charge layer. These multiple scales are already challenging when the electrons are ... Keywords: 52.65.Kj, 52.80.Pi, Hybrid model, Large deviations, Pulled fronts, Streamer discharge

Chao Li; Ute Ebert; Willem Hundsdorfer

2010-01-01T23:59:59.000Z

189

EBT2 film as a depth-dose measurement tool for radiotherapy beams over a wide range of energies and modalities  

Science Conference Proceedings (OSTI)

Purpose: One of the fundamental parameters used for dose calculation is percentage depth-dose, generally measured employing ionization chambers. There are situations where use of ion chambers for measuring depth-doses is difficult or problematic. In such cases, radiochromic film might be an alternative. The EBT-2 model GAFCHROMIC film was investigated as a potential tool for depth-dose measurement in radiotherapy beams over a broad range of energies and modalities. Methods: Pieces of the EBT-2 model GAFCHROMIC EBT2 film were exposed to x-ray, electron, and proton beams used in radiotherapy. The beams employed for this study included kilovoltage x-rays (75 kVp), {sup 60}Co gamma-rays, megavoltage x-rays (18 MV), electrons (7 and 20 MeV), and pristine Bragg-peak proton beams (126 and 152 MeV). At each beam quality, film response was measured over the dose range of 0.4-8.0 Gy, which corresponds to optical densities ranging from 0.05 to 0.4 measured with a flat-bed document scanner. To assess precision in depth-dose measurements with the EBT-2 model GAFCHROMIC film, uncertainty in measured optical density was investigated with respect to variation in film-to-film and scanner-bed uniformity. Results: For most beams, percentage depth-doses measured with the EBT-2 model GAFCHROMIC film show an excellent agreement with those measured with ion chambers. Some discrepancies are observed in case of (i) kilovoltage x-rays at larger depths due to beam-hardening, and (ii) proton beams around Bragg-peak due to quenching effects. For these beams, an empirical polynomial correction produces better agreement with ion-chamber data. Conclusions: The EBT-2 model GAFCHROMIC film is an excellent secondary dosimeter for measurement of percentage depth-doses for a broad range of beam qualities and modalities used in radiotherapy. It offers an easy and efficient way to measure beam depth-dose data with a high spatial resolution.

Arjomandy, Bijan; Tailor, Ramesh; Zhao Li; Devic, Slobodan [Department of Radiation Oncology, McLaren Regional Medical Center, Flint, Michigan 48532 (United States); Department of Radiation Physics, University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, Texas 77030 (United States); Indiana University Health Proton Therapy Center, Bloomington, Indiana 47408 (United States); Radiation Oncology Department, SMBD Jewish General Hospital, Montreal, Quebec H3T 1E2 (Canada)

2012-02-15T23:59:59.000Z

190

Rayleigh-Taylor Instability of Ionization Front around Black Holes  

E-Print Network (OSTI)

We examine the role of ionizing radiation emitted from black holes (BHs) in suppressing the growth of the Rayleigh-Taylor instability (RTI) across the ionization front (I-front) that forms when the gas fueling the BH is neutral. We use radiation-hydrodynamic simulations to show that the RTI is suppressed for non-accelerating fronts on all scales resolved in our simulations. A necessary condition for the stability of the I-front is that the radius of the Str\\"omgren sphere is larger than the Bondi radius. When this condition is violated the I-front collapses producing an accretion luminosity burst. Transient growth of the RTI occurs only during the accretion burst when the effective acceleration in the frame of reference of the I-front increases significantly due to the rapid expansion of the Str\\"omgren sphere.

Park, KwangHo; Di Matteo, Tiziana; Reynolds, Christopher S

2013-01-01T23:59:59.000Z

191

TipCard_Front_back_final_rev2.indd  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

or brightness - of the bulb, the estimated operating cost and life, and the color of the light (from warmyellow, to white, to coolblue). Energy-saving bulbs come in a wide range...

192

Front Tracking Model of Simultaneous Melting and Solidification ...  

Science Conference Proceedings (OSTI)

This results in dynamic melting and solidification throughout the weld pool, which can be modelled using the authors' Front Tracking algorithm. Melting is...

193

Total electron scattering cross sections of ethane, propane, n-butane, 1,3-butadiene and butylene in the energy range 0.3 to 4.0 keV.  

E-Print Network (OSTI)

??The total electron scattering cross sections of Ethane, Propane, n-Butane, 1,3-Butadiene and Butylene were measured in the energy range 0.3 to 4.0 keV using linear (more)

Wickramarachchi, Priyangika.

2006-01-01T23:59:59.000Z

194

ICPIG, July 15-20, 2007, Prague, Czech Republi Negative streamer fronts: comparison of particle and fluid models and  

E-Print Network (OSTI)

. This front region is also important for the generation of high energy electrons in streamer and leader. Fluid model The fluid model approximates the average dynamics of the local electrons as local densitiesV is the ionization energy. Panel (d) zooms into panel (c), both in space and in densities. Both fluid and particle

Ebert, Ute

195

An integrated analytical framework for quantifying the LCOE of waste-to-energy facilities for a range of greenhouse gas emissions policy and technical factors  

SciTech Connect

This study presents a novel integrated method for considering the economics of waste-to-energy (WTE) facilities with priced greenhouse gas (GHG) emissions based upon technical and economic characteristics of the WTE facility, MSW stream, landfill alternative, and GHG emissions policy. The study demonstrates use of the formulation for six different policy scenarios and explores sensitivity of the results to ranges of certain technical parameters as found in existing literature. The study shows that details of the GHG emissions regulations have large impact on the levelized cost of energy (LCOE) of WTE and that GHG regulations can either increase or decrease the LCOE of WTE depending on policy choices regarding biogenic fractions from combusted waste and emissions from landfills. Important policy considerations are the fraction of the carbon emissions that are priced (i.e. all emissions versus only non-biogenic emissions), whether emissions credits are allowed due to reducing fugitive landfill gas emissions, whether biogenic carbon sequestration in landfills is credited against landfill emissions, and the effectiveness of the landfill gas recovery system where waste would otherwise have been buried. The default landfill gas recovery system effectiveness assumed by much of the industry yields GHG offsets that are very close to the direct non-biogenic GHG emissions from a WTE facility, meaning that small changes in the recovery effectiveness cause relatively larger changes in the emissions factor of the WTE facility. Finally, the economics of WTE are dependent on the MSW stream composition, with paper and wood being advantageous, metal and glass being disadvantageous, and plastics, food, and yard waste being either advantageous or disadvantageous depending upon the avoided tipping fee and the GHG emissions price.

Townsend, Aaron K., E-mail: aarontownsend@utexas.edu [Department of Mechanical Engineering, University of Texas at Austin, 1 University Station C2200, Austin, TX 78712 (United States); Webber, Michael E. [Department of Mechanical Engineering, University of Texas at Austin, 1 University Station C2200, Austin, TX 78712 (United States)

2012-07-15T23:59:59.000Z

196

Front contact solar cell with formed electrically conducting layers on the front side and backside  

SciTech Connect

A bipolar solar cell includes a backside junction formed by a silicon substrate and a first doped layer of a first dopant type on the backside of the solar cell. A second doped layer of a second dopant type makes an electrical connection to the substrate from the front side of the solar cell. A first metal contact of a first electrical polarity electrically connects to the first doped layer on the backside of the solar cell, and a second metal contact of a second electrical polarity electrically connects to the second doped layer on the front side of the solar cell. An external electrical circuit may be electrically connected to the first and second metal contacts to be powered by the solar cell.

Cousins, Peter John

2012-06-26T23:59:59.000Z

197

On the existence of high Lewis number combustion fronts  

Science Conference Proceedings (OSTI)

We study a mathematical model for high Lewis number combustion processes with the reaction rate of the form of an Arrhenius law with or without an ignition cut-off. An efficient method for the proof of the existence and uniqueness of combustion fronts ... Keywords: Combustion fronts, Geometric singular perturbation theory, Ignition cut-off

Anna Ghazaryan; Christopher Jones

2012-02-01T23:59:59.000Z

198

FLUCTUATIONS OF THE FRONT IN A STOCHASTIC COMBUSTION MODEL  

E-Print Network (OSTI)

FLUCTUATIONS OF THE FRONT IN A STOCHASTIC COMBUSTION MODEL #1; (FLUCTUATIONS DU FRONT DANS UN MOD?LE DE COMBUSTION) FRANCIS COMETS 1 , JEREMY QUASTEL 2 AND ALEJANDRO F. RAMÍREZ 3 Abstract. We consider an interacting particle system on the one dimensional lattice Z modeling combustion. The process

Quastel, Jeremy

199

Combustion fronts in porous media with two layers Steve Schecter  

E-Print Network (OSTI)

Combustion fronts in porous media with two layers layer 1 layer 2 Steve Schecter North Carolina Subject: Propagation of a combustion front through a porous medium with two parallel layers having different properties. · Each layer admits a traveling combustion wave. · The layers are coupled by heat

Schecter, Stephen

200

Wind-Driven Motion near a Shelf-Slope Front  

Science Conference Proceedings (OSTI)

A two-dimensional, two-layered frontal system is used to examine the wind-driven motion near a shelf-slope front. In the linear regime, the along-frontal current is characterized by barotropic perturbations. The front is dynamically passive and ...

Hsien Wang Ou

1984-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

Investigation of the Brazil Current front variability from altimeter data  

E-Print Network (OSTI)

Investigation of the Brazil Current front variability from altimeter data Gustavo J. Goni Atlantic, Brazil Abstract. The southwestern Atlantic Ocean is characterized by the confluence of the Brazil in conjunction with a two-layer dynamical ocean scheme to monitor the Brazil Current front and to investigate its

202

Topographic Effects on a Wintertime Cold Front in Taiwan  

Science Conference Proceedings (OSTI)

This paper describes an observational and numerical study of an intense wintertime cold front that occurred in Taiwan on 8 January 1996. The front was associated with rope clouds at the leading edge, and a broad area of stratiform clouds behind. ...

Fang-Ching Chien; Ying-Hwa Kuo

2006-11-01T23:59:59.000Z

203

Front lighted optical tooling method and apparatus  

DOE Patents (OSTI)

An optical tooling method and apparatus uses a front lighted shadowgraphic technique to enhance visual contrast of reflected light. The apparatus includes an optical assembly including a fiducial mark, such as cross hairs, reflecting polarized light with a first polarization, a polarizing element backing the fiducial mark and a reflective surface backing the polarizing element for reflecting polarized light bypassing the fiducial mark and traveling through the polarizing element. The light reflected by the reflecting surface is directed through a second pass of the polarizing element toward the frontal direction with a polarization differing from the polarization of the light reflected by the fiducial mark. When used as a tooling target, the optical assembly may be mounted directly to a reference surface or may be secured in a mounting, such as a magnetic mounting. The optical assembly may also be mounted in a plane defining structure and used as a spherometer in conjunction with an optical depth measuring instrument. A method of measuring a radius of curvature of an unknown surface includes positioning the spherometer on a surface between the surface and a depth measuring optical instrument. As the spherometer is frontally illuminated, the distance from the depth measuring instrument to the fiducial mark and the underlying surface are alternately measured and the difference in these measurements is used as the sagittal height to calculate a radius of curvature.

Stone, William J. (Kansas City, MO)

1985-06-18T23:59:59.000Z

204

Short-Range Direct and Diffuse Irradiance Forecasts for Solar Energy Applications Based on Aerosol Chemical Transport and Numerical Weather Modeling  

Science Conference Proceedings (OSTI)

This study examines 23-day solar irradiance forecasts with respect to their application in solar energy industries, such as yield prediction for the integration of the strongly fluctuating solar energy into the electricity grid. During cloud-...

Hanne Breitkreuz; Marion Schroedter-Homscheidt; Thomas Holzer-Popp; Stefan Dech

2009-09-01T23:59:59.000Z

205

Petroleum Marketing Annual 2001 - Energy Information Administration  

U.S. Energy Information Administration (EIA)

Energy Information Administration (U.S. Dept. of Energy) ... Front Matter. Petroleum Marketing Annual Cover Page, Preface, and Table of Contents

206

Statistical nature of cold fronts within the Gulf of Mexico and their potential influence on OTEC operations  

DOE Green Energy (OSTI)

This study was undertaken to quantify selected aspects of cold fronts as they penetrate southward into the Gulf of Mexico region. A need arises to statistically define the nature of these cold fronts since the Department of Energy's Ocean Thermal Energy Conversion (OTEC) program is geared for determining the feasibility of utilizing the temperature difference between the tropical ocean surface and depths of approximately 1500 m for the production of power. However, severe winters are known to significantly decrease the normal sea surface temperature by approximately 7.2/sup 0/F as well as cause deepening of the mixed layer (Leetmaa, 1977). With an OTEC plant operating at efficiencies of only 2 to 3 percent, the plant could become marginally operational during the winter months. Upon the passage of a cold front, the sea surface will exchange heat to the atmosphere through the fluxes of latent and sensible heat. Garstang (1969) has shown that these fluxes can increase more than an order of magnitude upon the passage of a moderate cold front. Long term, greater than 25 years, meteorological data from the National Climatic Center was used as the basis for determining the impact of cold fronts in the gulf of Mexico region. In particular, surface air temperature and wind direction were analyzed daily during the months of December, January, and February. The drop in temperature as well as the directional wind shift were the criteria for the frontal passage. Surface observation data from Tampa and Key West, Florida were used.

Ulanski, S.L.

1978-12-01T23:59:59.000Z

207

Light-Front Holographic QCD and the Confinement Potential  

E-Print Network (OSTI)

Light-Front Hamiltonian theory, derived from the quantization of the QCD Lagrangian at fixed light-front time \\tau = t+z/c, provides a rigorous frame-independent framework for solving nonperturbative QCD. The eigenvalues of the light-front QCD Hamiltonian predict the hadronic mass spectrum, and the eigensolutions provide the light-front wavefunctions describing hadron structure. The valence Fock-state wavefunctions of the light-front QCD Hamiltonian satisfy a single-variable relativistic equation of motion, analogous to the nonrelativistic radial Schrodinger equation, with an effective confining potential U which systematically incorporates the effects of higher quark and gluon Fock states. The potential U has a unique form if one requires that the action for zero quark mass remains conformally invariant. The holographic mapping of gravity in AdS space to QCD with a specific soft-wall dilaton yields the same light-front Schrodinger equation. It also gives a precise relation between the bound-state amplitudes in the fifth dimension z of AdS space and the boost-invariant light-front wavefunctions describing the internal structure of hadrons in physical space-time. The elastic and transition form factors of the pion and the nucleons are found to be well described in this framework. The predictions include a zero-mass pion in the chiral limit, and linear Regge trajectories with the same slope in the radial quantum number n and orbital angular momentum L. The light-front AdS/QCD holographic approach thus gives a frame-independent representation of color-confining dynamics and the excitation spectra of light-quark hadrons in terms of a single mass parameter. We also discuss the implications of the underlying conformal template of QCD for renormalization scale-setting and the implications of light-front quantization for the value of the cosmological constant.

Stanley J. Brodsky; Guy F. de Tramond; Hans Gnter Dosch

2013-08-23T23:59:59.000Z

208

Helicase activity on DNA as a propagating front  

E-Print Network (OSTI)

We develop a propagating front analysis, in terms of a local probability of zipping, for the helicase activity of opening up a double stranded DNA (dsDNA). In a fixed-distance ensemble (conjugate to the fixed-force ensemble) the front separates the zipped and unzipped phases of a dsDNA and a drive acts locally around the front. Bounds from variational analysis and numerical estimates for the speed of a helicase are obtained. Different types of helicase behaviours can be distinguished by the nature of the drive.

Somendra M. Bhattacharjee

2003-07-16T23:59:59.000Z

209

Light front approach to correlations in hot quark matter  

E-Print Network (OSTI)

We investigate two-quark correlations in hot and dense quark matter. To this end we use the light front field theory extended to finite temperature $T$ and chemical potential $\\mu$. Therefore it is necessary to develop quantum statistics formulated on the light front plane. As a test case for light front quantization at finite $T$ and $\\mu$ we consider the NJL model. The solution of the in-medium gap equation leads to a constituent quark mass which depends on $T$ and $\\mu$. Two-quark systems are considered in the pionic and diquark channel. We compute the masses of the two-body system using a $T$-matrix approach.

S. Strauss; M. Beyer; S. Mattiello

2005-11-01T23:59:59.000Z

210

High-Energy Laser Ponderomotive Acceleration  

SciTech Connect

A new concept of TeV-range laser ponderomotive acceleration in a plasma is proposed. Particles are accelerated in the point-like scattering by the leading front of the laser pulse, propagating at the group velocity less than the vacuum speed of light. In this scheme, the gain in particle energy is determined by the group velocity and does not depend on laser intensity, which determines the quantum probability of acceleration. The quantum and classical analysis of the scheme proposed is presented. Estimates show that the concept proposed is a promising technique for compact laser acceleration of TeV energy range.

Smetanin, I.V.; /Lebedev Inst.; Barnes, C.; /SLAC; Nakajima, K.; /KEK, Tsukuba

2006-03-10T23:59:59.000Z

211

Effect of Seasonality of Snow Accumulation and Melt on Snow Surface Energy Exchanges at a Continental Alpine Site  

Science Conference Proceedings (OSTI)

Snow surface energy exchanges and snowmelt were measured during the 1994 and 1995 snowmelt seasons at an alpine site in the Colorado Front Range (3517 m MSL, 4003?N, 10535?W). Following a maximum accumulation of 0.49-m snow water equivalence (...

Donald W. Cline

1997-01-01T23:59:59.000Z

212

New York Power Authority - Energy Services Programs for Public Entities |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Power Authority - Energy Services Programs for Public Power Authority - Energy Services Programs for Public Entities New York Power Authority - Energy Services Programs for Public Entities < Back Eligibility Institutional Local Government Schools Savings Category Heating & Cooling Commercial Heating & Cooling Heating Cooling Manufacturing Other Home Weatherization Commercial Weatherization Sealing Your Home Ventilation Heat Pumps Appliances & Electronics Commercial Lighting Lighting Bioenergy Solar Buying & Making Electricity Water Heating Program Info State New York Program Type State Rebate Program Rebate Amount Not Specified Provider New York Power Authority New York Power Authority (NYPA) provides energy efficiency improvements to eligible public sector organizations at no up-front cost. A range of energy

213

Targeting Net Zero Energy at Fort Carson: Assessment and Recommendations  

SciTech Connect

The U.S. Army's Fort Carson installation was selected to serve as a prototype for net zero energy assessment and planning. NREL performed the comprehensive assessment to appraise the potential of Fort Carson to achieve net zero energy status through energy efficiency, renewable energy, and electric vehicle integration. This report summarizes the results of the assessment and provides energy recommendations. This study is part of a larger cross-laboratory effort that also includes an assessment of renewable opportunities at seven other DoD Front Range installations, a microgrid design for Fort Carson critical loads and an assessment of regulatory and market-based barriers to a regional secure smart grid.

Anderson, K.; Markel, T.; Simpson, M.; Leahey, J.; Rockenbaugh, C.; Lisell, L.; Burman, K.; Singer, M.

2011-10-01T23:59:59.000Z

214

Delayed muons in extensive air showers and double-front showers  

Science Conference Proceedings (OSTI)

The results of a long-term experiment performed in the period between 1995 and 2006 with the aid of the MUON-T underground (20 mwe) scintillation facility arranged at the Tien Shan mountain research station at an altitude of 3340 m above sea level are presented. The time distribution of delayed muons with an energy in excess of 5 GeV in extensive air showers of energy not lower than 106 GeV with respect to the shower front was obtained with a high statistical significance in the delay interval between 30 and 150 ns. An effect of the geomagnetic field in detecting delayed muons in extensive air showers was discovered. This effect leads to the asymmetry of their appearance with respect to the north-south direction. The connection between delayed muons and extensive air showers featuring two fronts separated by a time interval of several tens of to two hundred nanoseconds is discussed. This connection gives sufficient grounds to assume that delayed muons originate from the decays of pions and kaons produced in the second, delayed, front of extensive air showers.

Beisembaev, R. U.; Vavilov, Yu. N., E-mail: yuvavil@mail.ru; Vildanov, N. G.; Kruglov, A. V.; Stepanov, A. V. [Russian Academy of Sciences, Lebedev Institute of Physics (Russian Federation); Takibaev, J. S. [Al-Farabi Kazakh National University (Kazakhstan)

2009-11-15T23:59:59.000Z

215

Cold Fronts Research Programme: Progress, Future Plans, and Research Directions  

Science Conference Proceedings (OSTI)

Following the analysis of data collected during Phases land II of the Cold Fronts Research Programme (CFRP) a conceptual model for the Australian summertime cool change has been proposed. The model provides a focus and a framework for the ...

B. F. Ryan; J. R. Garratt; K. J. Wilson; R. K. Smith

1985-09-01T23:59:59.000Z

216

Diabatically Driven Discrete Propagation of Surface Fronts: A Numerical Analysis  

Science Conference Proceedings (OSTI)

Discrete frontal propagation has been identified as a process whereby a surface front discontinuously moves forward, without evidence of frontal passage across a mesoscale region. Numerical simulations are employed to examine the upper-level ...

George H. Bryan; J. Michael Fritsch

2000-07-01T23:59:59.000Z

217

A Marker Chain Front Tracking Method for Modelling Meniscus ...  

Science Conference Proceedings (OSTI)

Feb 1, 2002 ... A Marker Chain Front Tracking Method for Modelling Meniscus Dynamics in the Al Ingot Casting Process by F. Iversen, J.A. Bakken and S.T....

218

Misocyclone Characteristics along Florida Gust Fronts during CaPE  

Science Conference Proceedings (OSTI)

Multiple-Doppler radar and rawinsonde data are used to examine misocyclone characteristics along gust fronts observed during the Convection and Precipitation/Electrification (CaPE) project in Florida. The objective of this study is to investigate ...

Katja Friedrich; David E. Kingsmill; Carl R. Young

2005-11-01T23:59:59.000Z

219

DOE Offers Conditional Loan Guarantee for Front End Nuclear Facility...  

NLE Websites -- All DOE Office Websites (Extended Search)

DOE Offers Conditional Loan Guarantee for Front End Nuclear Facility in Idaho Uranium Enrichment Project to Create Over 1,000 Jobs in Idaho Washington, DC As part of a broad...

220

Observations of Seven Atmospheric Density Current Fronts in Dixon, California  

Science Conference Proceedings (OSTI)

Seven atmospheric density current fronts are identified in sequences of ground-based, scanning aerosol backscatter lidar images and in situ micrometeorological time series data that were collected simultaneously and nearly continuously between 15 ...

Shane D. Mayor

2011-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

Cold Fronts Research: The Australian Summertime Cool Change  

Science Conference Proceedings (OSTI)

Much of the significant weather of southeastern Australia is associated with the passage of cold fronts. In summer, such passages are often accompanied by rapid and extreme temperature fails, as hot continental northerly winds are replaced with ...

R. K. Smith; B. F. Ryan; A. J. Troup; K. J. Wilson

1982-09-01T23:59:59.000Z

222

Meteorological Tower Measurements of a Surface Cold Front  

Science Conference Proceedings (OSTI)

measurements from the Boulder Atmospheric Observatory meteorological research tower are used to describe the structure and physical processes of a strong surface cold front. Analysis reveals that the horizontal gradients in temperature and wind ...

M. A. Shapiro

1984-08-01T23:59:59.000Z

223

Tracking Gravity Waves in Baroclinic Jet-Front Systems  

Science Conference Proceedings (OSTI)

Using a two-dimensional Fourier decomposition and a four-dimensional ray-tracing technique, the propagating characteristics and source mechanisms of mesoscale gravity waves simulated in idealized baroclinic jet-front systems are investigated. The ...

Yonghui Lin; Fuqing Zhang

2008-07-01T23:59:59.000Z

224

Internal-Inertial Waves in a Surgasso Sea Front  

Science Conference Proceedings (OSTI)

This work examines the presence of internal-inertial waves in a front in the North Atlantic subtropical convergence zone. Results of Doppler shear profiler and towed thermistor chain surveys are displayed to document the position and magnitude of ...

Richard P. Mied; Colin Y. Shen; Clifford L. Trump; Gloria J. Lindemann

1986-11-01T23:59:59.000Z

225

Observations of Near-Inertial Waves in a Front  

Science Conference Proceedings (OSTI)

Near-inertial with horizontal scales O(10 km) dominate profiles of velocity finestructure collected in the North Pacific Subtropical Front during January 1980. Considerable spatial variability is observed. Two features in particular contain most ...

Eric Kunze; Thomas B. Sanford

1984-03-01T23:59:59.000Z

226

Advanced integrated safeguards using front-end-triggering devices  

SciTech Connect

This report addresses potential uses of front-end-triggering devices for enhanced safeguards. Such systems incorporate video surveillance as well as radiation and other sensors. Also covered in the report are integration issues and analysis techniques.

Howell, J.A.; Whitty, W.J.

1995-12-01T23:59:59.000Z

227

The Circulation Dynamics and Thermodynamics of Upper Ocean Density Fronts  

Science Conference Proceedings (OSTI)

This paper extends a previous hydrodynamic circulation model of established, persistent upper ocean density fronts by including a thermodynamic or buoyancy equation in the integral treatment. An analysis is also conducted of the variables related ...

Richard W. Garvine

1980-12-01T23:59:59.000Z

228

Generation and Separation of Mesoscale Eddies from Surface Ocean Fronts  

Science Conference Proceedings (OSTI)

This study is motivated by Arctic Ocean observations of sub-mixed layer eddies found at large distances from their assumed formation region of a surface ocean front. We explore eddy formation through high resolution numerical simulations of ...

Georgy E. Manucharyan; Mary-Louise Timmermans

229

Vertical Velocities in a Thunderstorm Gust Front and Outflow  

Science Conference Proceedings (OSTI)

Continuous vertically pointing measurements of a thunderstorm outflow, including its gust front, were obtained with a Doppler radar near New Salem, North Dakota. The measurements provide a high-resolution depiction of the vertical structure of ...

Brooks E. Martner

1997-05-01T23:59:59.000Z

230

Results of the SNS front end commissioning at Berkeley Lab  

E-Print Network (OSTI)

RESULTS OF THE SNS FRONT END COMMISSIONING AT BERKELEY LAB *USA A. Aleksandrov for the SNS Accelerator Physics Group andT. Shea for the SNS Beam Diagnostics Collaboration Oak Ridge

2002-01-01T23:59:59.000Z

231

A Geostrophic Adjustment Model of a Tidal Mixing Front  

Science Conference Proceedings (OSTI)

This paper presents a model of a tidal mixing front as occurring between well mixed and (seasonally) stratified water in tidally energetic areas in continental shelf seas. The model examines the geostrophic adjustment of a stratified two-layer ...

G. J. F. van Heijst

1985-09-01T23:59:59.000Z

232

Formation and Maintenance of Shelfbreak Fronts in an Unstratified Flow  

Science Conference Proceedings (OSTI)

A depth-averaged model with no density variations was used by Chapman to describe the formation of a passive tracer front at a shelfbreak. The relevance of this frontogenesis mechanism to cases that allow vertical variations is examined by ...

Glen Gawarkiewicz; David C. Chapman

1991-08-01T23:59:59.000Z

233

Influence of Mesoscale Orography on Idealized Cold Fronts  

Science Conference Proceedings (OSTI)

A three-dimensional numerical model based on the inviscid and adiabatic primitive equations in the Boussinesq approximation is used to investigate the retardation of cold fronts by high two and three-dimensional mountains, approximately the same ...

U. Schumann

1987-12-01T23:59:59.000Z

234

Parametric Study of Front-End Nuclear Fuel Cycle Costs  

Science Conference Proceedings (OSTI)

This study provides an overview of front-end fuel cost components for nuclear plants, specifically uranium concentrates, uranium conversion services, uranium enrichment services, and nuclear fuel fabrication services. A parametric analysis of light-water reactor (LWR) fuel cycle costs is also included in order to quantify the impacts that result from changes in the cost of one or more front-end components on overall fuel cycle costs.

2009-02-20T23:59:59.000Z

235

Lunar Laser Ranging Science  

E-Print Network (OSTI)

Analysis of Lunar Laser Ranging (LLR) data provides science results: gravitational physics and ephemeris information from the orbit, lunar science from rotation and solid-body tides, and Earth science. Sensitive tests of gravitational physics include the Equivalence Principle, limits on the time variation of the gravitational constant G, and geodetic precession. The equivalence principle test is used for an accurate determination of the parametrized post-Newtonian (PPN) parameter \\beta. Lunar ephemerides are a product of the LLR analysis used by current and future spacecraft missions. The analysis is sensitive to astronomical parameters such as orbit, masses and obliquity. The dissipation-caused semimajor axis rate is 37.9 mm/yr and the associated acceleration in orbital longitude is -25.7 ''/cent^2, dominated by tides on Earth with a 1% lunar contribution. Lunar rotational variation has sensitivity to interior structure, physical properties, and energy dissipation. The second-degree lunar Love numbers are detected; k_2 has an accuracy of 11%. Lunar tidal dissipation is strong and its Q has a weak dependence on tidal frequency. A fluid core of about 20% the Moon's radius is indicated by the dissipation data. Evidence for the oblateness of the lunar fluid-core/solid-mantle boundary is getting stronger. This would be independent evidence for a fluid lunar core. Moon-centered coordinates of four retroreflectors are determined. Station positions and motion, Earth rotation variations, nutation, and precession are determined from analyses. Extending the data span and improving range accuracy will yield improved and new scientific results. Adding either new retroreflectors or precise active transponders on the Moon would improve the accuracy of the science results.

James G. Williams; Dale H. Boggs; Slava G. Turyshev; J. Todd Ratcliff

2004-11-18T23:59:59.000Z

236

High Range Resolution Radar Measurements of the Speed Distribution of Breaking Events in Wind-Generated Ocean Waves: Surface Impulse and Wave Energy Dissipation Rates  

Science Conference Proceedings (OSTI)

A set of X-band radar measurements, backscattered from the sea surface at near grazing incidence with very high spatial and temporal resolution (30 cm in range and 2000-Hz pulse repetition frequency) in moderate wind conditions, are dominated by ...

O. M. Phillips; F. L. Posner; J. P. Hansen

2001-02-01T23:59:59.000Z

237

Eagle Energy LLC | Open Energy Information  

Open Energy Info (EERE)

Energy LLC Energy LLC Place Cincinnati, Ohio Zip 45211 - 4439 Product Holding company of Front Range Energy. Coordinates 39.106614°, -84.504552° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":39.106614,"lon":-84.504552,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

238

Mapping Neutral Hydrogen During Reionization with the Ly-alpha Emission from Quasar Ionization Fronts  

E-Print Network (OSTI)

We present a new method to directly map the neutral-hydrogen distribution during the reionization epoch and to constrain the emission properties of the highest-redshift quasars (QSOs). As a tracer of HI, we propose to use the Ly-alpha radiation produced by quasar ionization fronts (I-fronts) that expand in the partially ionized intergalactic medium (IGM) before reionization is complete. These Ly-alpha photons are mainly generated by collisional excitations of hydrogen atoms in the boundary of the rapidly expanding HII region. The observable signal is produced by the part of the I-front that lies behind the QSO with respect to the observer. Combining two radiative transfer models (one for the QSO ionizing radiation and one for the Ly-alpha photons), we estimate the expected Ly-alpha spectral shape and surface brightness (SB) for a large number of configurations where we varied both the properties of the ionizing QSO and of the surrounding medium. We find that the expected signal is observable as a single (broad) emission line with a characteristic width of 100-200 km/s. The expected SB produced at redshift z~6.5 within a fully neutral region (at mean density) by a typical QSO I-front lies in the range $10^{-21}-10^{-20}$ erg s$^{-1}$ cm$^{-2}$ arcsec$^{-2}$ and decreases proportionally to $(1+z)^2$ for a given QSO age. QSOs with harder spectra may produce a significantly brighter emission at early phases. The signal may cover up to a few hundred square arcmin on the sky and should be already detectable with current facilities by means of moderate/high resolution spectroscopy. The detection of this Ly-alpha emission can shed new light on the reionization history, the age and the emission properties of the highest-redshift QSOs. (abridged)

Sebastiano Cantalupo; Cristiano Porciani; Simon J. Lilly

2007-09-05T23:59:59.000Z

239

IDR Neutrino Factory Front End and Variations  

Science Conference Proceedings (OSTI)

The International Design Report (IDR) neutrino factory scenario for capture, bunching, phase-energy rotation and initial cooling of {mu}'s produced from a proton source target is explored. It requires a drift section from the target, a bunching section and a {phi}-{delta}E rotation section leading into the cooling channel. Optimization and variations are discussed. Important concerns are rf limitations within the focusing magnetic fields and large losses in the transport.

Neuffer, D.; /Fermilab; Alekou, A.; /Imperial Coll., London; Rogers, C.; /Rutherford; Snopok, P.; /IIT, Chicago; Yoshikawa, C.; /MUONS Inc., Batavia

2012-05-01T23:59:59.000Z

240

A quantized frequency reference in the short-ranged gravity potential and its application for dark matter and dark energy searches  

E-Print Network (OSTI)

The evidence for the observation of the Higgs spin-0-boson as a manifestation of a scalar field provides the missing corner stone for the standard model of particles (SM). However, the SM fails to explain the non-visible but gravitationally active part of the universe. Its nature is unknown but the confirmation of a scalar Higgs is giving a boost to scalar-field-theories. So far gravity experiments and observations performed at different distances find no deviation from Newton's gravity law. Therefore dark energy must possess a screening mechanism which suppresses the scalar-mediated fifth force. Our line of attack is a novel gravity experiment with neutrons based on a quantum interference technique. The spectroscopic measurement of quantum states on resonances with an external coupling makes this a powerful search for dark matter and dark energy contributions in the universe. Quantum states in the gravity potential are intimately related to other scalar field or spin-0-bosons if they exist. If the reason is that some undiscovered particle interact with a neutron, this results in a measurable energy shift of quantum states in the gravity potential, because for neutrons the screening effect is absent. We use Gravity Resonance Spectroscopy to measure the energy splitting at the highest level of precision, providing a constraint on any possible new interaction. We obtain a sensitivity of 10^-14 eV. We set an experimental limit on any fifth force, in particular on parameter \\betagravity is understood at this improved level of precision.

T. Jenke; G. Cronenberg; P. Geltenbort; A. N. Ivanov; T. Lauer; T. Lins; U. Schmidt; H. Saul; H. Abele

2012-08-19T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

Regional operations research program for commercialization of geothermal energy in the Rocky Mountain Basin and Range. Final report, August 1, 1978-February 28, 1980  

DOE Green Energy (OSTI)

The work accomplished from August 1978 to February 1980 in the Regional Operations Research efforts for the Rocky Mountain Basin and Range Geothermal Commercialization Program are described. The work included continued data acquisition and extension of the data base, enhancement and refinement of the economic models for electric and direct use applications, site-specific and aggregated analyses in support of the state teams and special analyses in support of several federal agencies.

Marlin, J.M.; Cunniff, R.; McDevitt, P.; Nowotny, K.; O'Dea, P.

1981-01-01T23:59:59.000Z

242

Investing in America's Solar Workforce | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Investing in America's Solar Workforce Investing in America's Solar Workforce Investing in America's Solar Workforce October 11, 2012 - 4:26pm Addthis Energy Secretary Steven Chu meets with students from Front Range Community College at the Solar Instructor Training Network exhibit at the SunShot Grand Challenge Summit and Technology Forum in Colorado. | Photo by Dennis Schroeder, NREL. Energy Secretary Steven Chu meets with students from Front Range Community College at the Solar Instructor Training Network exhibit at the SunShot Grand Challenge Summit and Technology Forum in Colorado. | Photo by Dennis Schroeder, NREL. Minh Le Minh Le Program Manager, Solar Program How Do I Access Photovoltaic Online Training? Visit the PVOT website.

243

Cross-Front Mixing and Frontal Upwelling in a Controlled Quasi-Permanent Density Front in the Gulf of St. Lawrence  

Science Conference Proceedings (OSTI)

CTD data obtained from three transects across a controlled quasi-permanent density front in the Gulf of St. Lawrence were analyzed for the purpose of investigating cross-front mixing, mechanisms for frontal convergence, secondary circulation ...

C. L. Tang

1983-08-01T23:59:59.000Z

244

Highly sensitive x-ray detectors in the low-energy range on n-type 4H-SiC epitaxial layers  

Science Conference Proceedings (OSTI)

Schottky diodes on n-type 4H-SiC epitaxial layers have been fabricated for low-energy x-ray detection. The detectors were highly sensitive to soft x-rays and showed improved response compared to the commercial SiC UV photodiodes. Current-voltage characteristics at 475 K showed low leakage current revealing the possibility of high temperature operation. The high quality of the epi-layer was confirmed by x-ray diffraction and chemical etching. Thermally stimulated current measurements performed at 94-550 K revealed low density of deep levels which may cause charge trapping. No charge trapping on detectors' responsivity in the low x-ray energy was found.

Mandal, Krishna C.; Muzykov, Peter G. [Department of Electrical Engineering, University of South Carolina, Columbia, South Carolina 29208 (United States); Russell Terry, J. [Space Science and Applications Group (ISR-1), Intelligence and Space Research Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)

2012-07-30T23:59:59.000Z

245

Cogeneration: back on the front burner  

SciTech Connect

State-of-the-art technology for cogeneration includes: Process steam supplied by back pressure of extraction steam-turbine generators; Gas turbines and waste-heat boilers; Diesel engines and waste-heat boilers. In addition, there are a variety of combinations and permutations of state-of-the-art technology such as combined cycles exemplified by gas turbines combined with steam cycles, ''tri-generation'' involving diesel engines to supply shaft power, jacket engines to supply shaft power, jacket cooling water for process heating use, and hot exhaust gases for space heating or to generate steam in waste-heat boilers. Energy savings attributable to cogeneration have averaged 15-20%. Typical investments required for coal-fired steam-turbine cogeneration facilities are on the order of $25 million for a facility consuming 250 million Btu/hour and some analysts see cogeneration supplying 30% of industrial power by the mid-80's. A tabulation summarizes energy savings if cogeneration were implemented in selected plants in the food, textile, pulp and paper, chemical, andnd petroleum refining sectors of industry.

1981-01-01T23:59:59.000Z

246

Regional Operations Research Program for Commercialization of Geothermal Energy in the Rocky Mountain Basin and Range. Final Technical Report, January 1980--March 1981  

DOE Green Energy (OSTI)

This report describes the work accomplished from January 1980 to March 1981 in the Regional Operations Research efforts for the Rocky Mountain Basin and Range Geothermal Commercialization Program. The scope of work is as described in New Mexico State University Proposal 80-20-207. The work included continued data acquisition and extension of the data base, enhancement and refinement of the economic models for electric and direct use applications, site-specific and aggregated analyses in support of the state teams, special analyses in support of several federal agencies, and marketing assistance to the state commercialization teams.

None

1981-07-01T23:59:59.000Z

247

Rayleigh-Taylor Instability at Ionization Fronts: Perturbation Analysis  

E-Print Network (OSTI)

The linear growth rate of the Rayleigh-Taylor instability (RTI) at ionization fronts is investigated via perturbation analysis in the limit of incompressible fluids. In agreement with previous numerical studies is found that absorption of ionizing radiation inside the HII region due to hydrogen recombinations suppresses the growth of instabilities. In the limit of a large density contrast at the ionization front the RTI growth rate has the simple analytical solution n=-nur+(nur^2+gk)^(1/2), where nur is the hydrogen recombination rate inside the HII region, k is the perturbation's wavenumber and g is the effective acceleration in the frame of reference of the front. Therefore, the growth of surface perturbations with wavelengths lambda >> lambda_{cr} = 2\\pi g/nur^2 is suppressed by a factor (lambda_{cr}/4lambda)^(1/2) with respect to the non-radiative incompressible RTI. Implications on stellar and black hole feedback are briefly discussed.

Ricotti, Massimo

2013-01-01T23:59:59.000Z

248

Methods for enhancing mapping of thermal fronts in oil recovery  

DOE Patents (OSTI)

A method for enhancing the resistivity contrasts of a thermal front in an oil recovery production field as measured by the CSAMT technique is disclosed. This method includes the steps of: (a) preparing a CSAMT-determined topological resistivity map of the production field; (b) introducing a solution of a dopant material into the production field at a concentration effective to alter the resistivity associated with the thermal front; said dopant material having a high cation exchange capacity which might be selected from the group consisting of montmorillonite, illite, and chlorite clays; said material being soluble in the connate water of the production field; (c) preparing a CSAMT-determined topological resistivity map of the production field while said dopant material is moving therethrough; and (d) mathematically comparing the maps from step (a) and step (c) to determine the location of the thermal front. This method is effective with the steam flood, fire flood and water flood techniques.

Lee, David O. (Albuquerque, NM); Montoya, Paul C. (Albuquerque, NM); Wayland, Jr., James R. (Albuquerque, NM)

1987-01-01T23:59:59.000Z

249

Methods for enhancing mapping of thermal fronts in oil recovery  

DOE Patents (OSTI)

A method for enhancing the resistivity contrasts of a thermal front in an oil recovery production field as measured by the controlled source audio frequency magnetotelluric (CSAMT) technique is disclosed. This method includes the steps of: (1) preparing a CSAMT-determined topological resistivity map of the production field; (2) introducing a solution of a dopant material into the production field at a concentration effective to alter the resistivity associated with the thermal front; said dopant material having a high cation exchange capacity which might be selected from the group consisting of montmorillonite, illite, and chlorite clays; said material being soluble in the conate water of the production field; (3) preparing a CSAMT-determined topological resistivity map of the production field while said dopant material is moving therethrough; and (4) mathematically comparing the maps from step (1) and step (3) to determine the location of the thermal front. This method is effective with the steam flood, fire flood and water flood techniques.

Lee, D.O.; Montoya, P.C.; Wayland, J.R. Jr.

1984-03-30T23:59:59.000Z

250

Technical support document: Energy efficiency standards for consumer products: Room air conditioners, water heaters, direct heating equipment, mobile home furnaces, kitchen ranges and ovens, pool heaters, fluorescent lamp ballasts and television sets. Volume 1, Methodology  

SciTech Connect

The Energy Policy and Conservation Act (P.L. 94-163), as amended, establishes energy conservation standards for 12 of the 13 types of consumer products specifically covered by the Act. The legislation requires the Department of Energy (DOE) to consider new or amended standards for these and other types of products at specified times. DOE is currently considering amending standards for seven types of products: water heaters, direct heating equipment, mobile home furnaces, pool heaters, room air conditioners, kitchen ranges and ovens (including microwave ovens), and fluorescent light ballasts and is considering establishing standards for television sets. This Technical Support Document presents the methodology, data, and results from the analysis of the energy and economic impacts of the proposed standards. This volume presents a general description of the analytic approach, including the structure of the major models.

Not Available

1993-11-01T23:59:59.000Z

251

Electron-impact rotationally elastic total cross sections for H{sub 2}CO and HCOOH over a wide range of incident energy (0.01-2000 eV)  

SciTech Connect

This paper reports computational results of the total cross sections for electron impact on H{sub 2}CO and HCOOH over a wide range of electron impact energies from 0.01 eV to 2 keV. The total cross section is presented as sum of the elastic and electronic excitation cross sections for incident energies. The calculation uses two different methodologies, below the ionization threshold of the target the cross section is calculated using the UK molecular R-matrix code through the Quantemol-N software package while cross sections at higher energies are evaluated using the spherical complex optical potential formalism. The two methods are found to be consistent at the transition energy ({approx}15 eV). The present results are, in general, found to be in good agreement with previous experimental and theoretical results (wherever available) and, thus, the present results can serve as a benchmark for the cross section over a wide range of energy.

Vinodkumar, Minaxi [V P and R P T P Science College, Vallabh Vidyanagar 388 120, Gujarat (India); Bhutadia, Harshad [Government Engineering College, Patan 384265, Gujarat (India); Antony, Bobby [Department of Applied Physics, Indian School of Mines, Dhanbad JH-826004 (India); Mason, Nigel [Department of Physics and Astronomy, Open University, Milton Keynes MK7 6AA (United Kingdom)

2011-11-15T23:59:59.000Z

252

Optical constants of evaporation-deposited silicon monoxide films in the 7.1800 eV photon energy range  

Science Conference Proceedings (OSTI)

The transmittance of silicon monoxide films prepared by thermal evaporation was measured from 7.1 to 800 eV and used to determine the optical constants of the material. SiO filmsdeposited onto C-coated microgrids in ultrahigh vacuum conditions were measured in situ from 7.1 to 23.1 eV. Grid-supported SiO filmsdeposited in high vacuum conditions were characterized ex situ from 28.5 to 800 eV. At each photon energy

Mnica Fernndez-Perea; Manuela Vidal-Dasilva; Juan I. Larruquert; Jos A. Aznrez; Jos A. Mndez; Eric Gullikson; Andy Aquila; Regina Soufli

2009-01-01T23:59:59.000Z

253

K -shell-ionization cross sections for low- Z elements (11 le Z le 22) by protons in the energy range 0. 5--2. 5 MeV  

SciTech Connect

{ital K}-shell-ionization cross sections for Na, Mg, Al, Si, Cl, K, Ca, and Ti by protons in the energy range 0.5--2.5 MeV have been measured using thin targets. Measurements have also been performed for thin targets of Fe, Ni, and Cu at a few energies. The energy range of protons for these targets corresponds to the reduced velocity ({ital v}{sub 1}/{ital v}{sub 2{ital K}}) range 0.2--1.1, in which the cross sections are very sensitive to the increased binding energy and the Coulomb-deflection effects. The measured ionization cross sections are compared with the predictions of the theory based on the perturbed-stationary-state approach including the Coulomb-deflection, energy-loss, and relativistic corrections. The data have been scaled according to various scaling laws to test the validity of the universal nature of the various Coulomb ionization theories based on the plane-wave Born approximation, the binary-encounter approximation, and the simplified semiclassical approximation model as given by L{ae}gsgaard, Andersen, and Lund (in {ital Proceedings} {ital of} {ital the} {ital Tenth} {ital International} {ital Conference} {ital on} {ital the} {ital Physics} {ital of} {ital Electronic} {ital and} {ital Atomic} {ital Collisions}, edited by G. Watel (North-Holland, Amsterdam, 1978), p. 353). The measured data have also been compared with the calculations of Montenegro and Siguad (J. Phys. B 18, 299 (1985)) based on the theory of 1{ital s}{sigma} molecular-orbital ionization.

Tribedi, L.C.; Tandon, P.N. (Tata Institute of Fundamental Research, Homi Bhabha Road, Bombay 400 005 (India))

1992-06-01T23:59:59.000Z

254

Long range dependence  

Science Conference Proceedings (OSTI)

The notion of long range dependence is discussed from a variety of points of view, and a new approach is suggested. A number of related topics is also discussed, including connections with non-stationary processes, with ergodic theory, self-similar processes ... Keywords: large deviations, long range dependence, rare events

Gennady Samorodnitsky

2007-01-01T23:59:59.000Z

255

Mean Flow Evolution of a Baroclinically Unstable Potential Vorticity Front  

Science Conference Proceedings (OSTI)

Quasi-linear theory and numerical models are used to study the mean flow modification of a two-layer shallow water baroclinically unstable flow as a function of Rossby number. This flow has an upper-layer potential vorticity front overlying a ...

Emmanuel Boss; Lu Anne Thompson

1999-02-01T23:59:59.000Z

256

Dynamics of Potential Vorticity Fronts and Eddy Detachment  

Science Conference Proceedings (OSTI)

The formation and detachment of quasi-geostrophic eddies in a 1 layer jet is studied using a piecewise uniform potential vorticity model. A vorticity front separates the two pieces, and thus the jet has cusplike character. The evolution of large ...

L. J. Pratt; Melvin E. Stern

1986-06-01T23:59:59.000Z

257

(front end fuel cycle) 2.1 (CANDU  

E-Print Network (OSTI)

2 (front end fuel cycle) 2.1 (CANDU: CANada Deuterium Uranium; . ( 2.2) . 70-80% , (uranium concentrate) . () 2.1 . 2.2 2.3 #12; 2; . Mine Car Load Skip Geiger Counter 8"~3/2"" . (2

Hong, Deog Ki

258

Observation of Atmospheric Fronts Using Raman Lidar Moisture Measurements  

Science Conference Proceedings (OSTI)

This paper presents the results of a field program using a ground-based Raman lidar system to observe changes in moisture profiles as a cold and a warm front passed over the NASA/Goddard Space Flight Center in Greenbelt, Maryland. The lidar ...

S. H. Melfi; D. Whiteman; R. Ferrare

1989-09-01T23:59:59.000Z

259

the Front Line of Medicine to Prevent Needless Work Disability  

E-Print Network (OSTI)

Preparing the Front Line of Medicine to Prevent Needless Work Disability: Private 4. Free on-line CME; "Medical Rounds" in a talk show format 3. Free live;6 Approaches 1. Sessions at exis9ng medical educa9on events 2. Offer of on-line CME training

260

Front and backside processed thin film electronic devices  

DOE Patents (OSTI)

This invention provides methods for fabricating thin film electronic devices with both front- and backside processing capabilities. Using these methods, high temperature processing steps may be carried out during both frontside and backside processing. The methods are well-suited for fabricating back-gate and double-gate field effect transistors, double-sided bipolar transistors and 3D integrated circuits.

Yuan, Hao-Chih (Madison, WI); Wang, Guogong (Madison, WI); Eriksson, Mark A. (Madison, WI); Evans, Paul G. (Madison, WI); Lagally, Max G. (Madison, WI); Ma, Zhenqiang (Middleton, WI)

2010-10-12T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

On the propagation of a coupled saturation and pressure front  

SciTech Connect

Using an asymptotic technique, valid for a medium with smoothly varying heterogeneity, I derive an expression for the velocity of a propagating, coupled saturation and pressure front. Due to the nonlinearity of the governing equations, the velocity of the propagating front depends upon the magnitude of the saturation and pressure changes across the front in addition to the properties of the medium. Thus, the expression must be evaluated in conjunction with numerical reservoir simulation. The propagation of the two-phase front is governed by the background saturation distribution, the saturation-dependent component of the fluid mobility, the porosity, the permeability, the capillary pressure function, the medium compressibility, and the ratio of the slopes of the relative permeability curves. Numerical simulation of water injection into a porous layer saturated with a nonaqueous phase liquid indicates that two modes of propagation are important. The fastest mode of propagation is a pressure-dominated disturbance that travels through the saturated layer. This is followed, much later, by a coupled mode with a large saturation change. These two modes are also observed in a simulation using a heterogeneous porous layer. A comparison between the propagation times estimated from the results of the numerical simulation and predictions from the asymptotic expression indicates overall agreement.

Vasco, D. W.

2010-12-01T23:59:59.000Z

262

Benthic Observations on the Madeira Abyssal Plain: Fronts  

Science Conference Proceedings (OSTI)

Analysis of data from a mooring with five vector-averaging current meters between 10 and 70 m above the bed of the Madeira Abyssal Plain reveals the existence of narrow regions with relatively large gradients of potential temperature, or fronts....

S. A. Thorpe

1983-08-01T23:59:59.000Z

263

A FRONT END DESIGN FOR THE ADVANCED PHOTON SOURCE  

E-Print Network (OSTI)

X-ray sources on next generation low emittance/high brilliance synchrotrons such as the 7-GeV Advanced Photon Source (APS) (1) have unique properties which directly affect the design of the front end of the beam line. The most striking of these are the large peak photon power densities

P. J. Viccaro

1988-01-01T23:59:59.000Z

264

Move-to-Front, Distance Coding, and Inversion Frequencies revisited  

Science Conference Proceedings (OSTI)

Move-to-Front, Distance Coding and Inversion Frequencies are three simple and effective techniques used to process the output of the Burrows-Wheeler Transform. In this paper we provide the first complete comparative analyses of these techniques, establishing ... Keywords: Burrows-Wheeler Transform, Data Compression, Empirical entropy

Travis Gagie; Giovanni Manzini

2010-06-01T23:59:59.000Z

265

Front and backside processed thin film electronic devices  

Science Conference Proceedings (OSTI)

This invention provides thin film devices that have been processed on their front- and backside. The devices include an active layer that is sufficiently thin to be mechanically flexible. Examples of the devices include back-gate and double-gate field effect transistors, double-sided bipolar transistors and 3D integrated circuits.

Evans, Paul G. (Madison, WI); Lagally, Max G. (Madison, WI); Ma, Zhenqiang (Middleton, WI); Yuan, Hao-Chih (Lakewood, CO); Wang, Guogong (Madison, WI); Eriksson, Mark A. (Madison, WI)

2012-01-03T23:59:59.000Z

266

A Comparison of EnergyPlus to DOE-2.1E: Multiple Cases Ranging from a Sealed Box to a Residential Building  

E-Print Network (OSTI)

EnergyPlus (EPlus) is becoming widely used for building simulation. Previous studies have compared the performance of EPlus with other simulation programs including DOE-2 for a variety of cases. These studies identified the different results of programs for the same cases defined in ANSI/ASHRAE Standard 140. This study expanded upon the previous comparisons to include the simplest case scenario where the building was a sealed box without infiltration, internal load, system or plant. The simulations were then extended to include incremental changes on the building load by adding people, lights, equipment and infiltration. EPlus and DOE-2 were compared using multiple base case buildings in Austin from the simplest case to a fully inhabited residential building. With zero infiltration, EPlus calculated 16-17% lower total building load than calculated by DOE-2 as incremental loads were added. Infiltration decreased the difference between DOE-2 and EPlus by 27% and lead to an 11% lower total building load in EPlus when compared to DOE-2.

Andolsun, S.; Culp, C.

2008-12-01T23:59:59.000Z

267

Women @ Energy: Rea Simpson | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Rea Simpson Rea Simpson Women @ Energy: Rea Simpson March 13, 2013 - 5:41pm Addthis Women @ Energy: Rea Simpson Rea Simpson is a Group Leader for the Core Services Group (CSG) and Assistant Division Leader for the IT Solutions Division in Computations. CSG is responsible for a number of institutional IT services under the CIO Program including Active Directory, FrontRange, the IT Configuration Management Database (CMDB) and foundational networking functions such as the Domain Name System (DNS) and Dynamic Host Configuration Protocol (DHCP). Rea works with the Service Owners in her group and other Service Owners across the CIO program to enhance and upgrade the services to meet LLNL business needs. She is responsible for project management functions and ensuring that her group's services meet

268

Control of Beam Losses in the Front End for the Neutrino Factory  

Science Conference Proceedings (OSTI)

In the Neutrino Factory and Muon Collider, muons are produced by firing high energy protons onto a target to produce pions. The pions decay to muons which are then accelerated. This method of pion production results in significant background from protons and electrons, which may result in heat deposition on superconducting materials and activation of the machine preventing manual handling. In this paper we discuss the design of a secondary particle handling system. The system comprises a solenoidal chicane that filters high momentum particles, followed by a proton absorber that reduces the energy of all particles, resulting in the rejection of low energy protons that pass through the solenoid chicane. We detail the design and optimization of the system and its integration with the rest of the muon front end.

Neuffer, D.V.; /Fermilab; Snopok, P.; /IIT, Chicago; Rogers, C.T.; /Rutherford

2012-05-01T23:59:59.000Z

269

Page not found | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

approved modifications to this program. The up-front incentive for residential photovoltaics (PV) has been reduced to 0.10 per watt,... http:energy.govsavings...

270

Page not found | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

activities related to the front end of the nuclear fuel cycle which includes mining, milling, conversion, and enrichment. http:energy.govnenuclear-fuel-cycle Download...

271

Geothermal investigations at selected thermal systems of the northern Wasatch Front Weber and Box Elder Counties, Utah. Report of investigation No. 141  

DOE Green Energy (OSTI)

Numerous thermal springs are present along the Wasatch Front from Utah valley on the south to the state line on the north. These systems are just west of the Wasatch Mountains at the eastern edge of the Basin and Range physiographic province and within the active seismic zone referred to as the Intermountain Seismic Belt. This Report of Investigation is a summary of UGMS investigations at four northern Wasatch Front geothermal systems: Utah, Crystal (Madsen), and Udy hot springs; and the Little Mountain - south system. All of these resources are deep circulation systems and the water is heated by the normal heat flow of the Basin and Range Province. Heat from volcanic sources is not believed to contribute to the warming of any northern Wasatch Front springs. Data collected under the DOE/DGE state coupled program are presented for use by individuals interested in these systems.

Murphy, P.; Gwynn, J.W.

1979-11-01T23:59:59.000Z

272

Kinematic and Moisture Characteristics of a Nonprecipitating Cold Front Observed during IHOP. Part I: Across-Front Structures  

Science Conference Proceedings (OSTI)

A wide array of ground-based and airborne instrumentation is used to examine the kinematic and moisture characteristics of a nonprecipitating cold front observed in west-central Kansas on 10 June 2002 during the International H2O Project (IHOP). ...

Katja Friedrich; David E. Kingsmill; Cyrille Flamant; Hanne V. Murphey; Roger M. Wakimoto

2008-01-01T23:59:59.000Z

273

Front-end utility rate updates | OpenEI Community  

Open Energy Info (EERE)

Front-end utility rate updates Front-end utility rate updates Home > Groups > Utility Rate Rmckeel's picture Submitted by Rmckeel(297) Contributor 13 February, 2013 - 14:28 Utility Rates A few utility rate updates worth noting. We used to have a limit of 100 for results returned on the utility gateway. That has been increased, along with a few UI updates. There is now a 15em height window (sorry if that's too technical) to browse results, so all the hundreds of results don't extend the page. For the naming page however, perhaps the long list is preferred? I'm willing to tweak these heights, as well as have separate heights if it is requested for the public view and the editor view. Improvement to have results show within the block instead of outside of. Minor increase in results width on editor page.

274

Laser supported solid state absorption fronts in silica  

SciTech Connect

We develop a model based on simulation and experiment that explains the behavior of solid-state laser-supported absorption fronts generated in fused silica during high intensity (up to 5GW/cm{sup 2}) laser exposure. We find that the absorption front velocity is constant in time and is nearly linear in laser intensity. Further, this model can explain the dependence of laser damage site size on these parameters. This behavior is driven principally by the temperature-activated deep sub band-gap optical absorptivity, free electron transport and thermal diffusion in defect-free silica for temperatures up to 15,000K and pressures < 15GPa. The regime of parameter space critical to this problem spans and extends that measured by other means. It serves as a platform for understanding general laser-matter interactions in dielectrics under a variety of conditions.

Carr, C W; Bude, J D

2010-02-09T23:59:59.000Z

275

Episodic Dust Events of Utahs Wasatch Front and Adjoining Region  

Science Conference Proceedings (OSTI)

Episodic dust events cause hazardous air quality along Utahs Wasatch Front and dust loading of the snowpack in the adjacent Wasatch Mountains. This paper presents a climatology of episodic dust events of the Wasatch Front and adjoining region ...

W. James Steenburgh; Jeffrey D. Massey; Thomas H. Painter

2012-09-01T23:59:59.000Z

276

An Investigation of an Arctic Front with a Vertically Nested Mesoscale Model  

Science Conference Proceedings (OSTI)

A vertically mesoscale regional numerical weather prediction model is used to simulate an arctic front. The front was observed during the Arctic Cyclone Expedition of 1984. The regional model employs a unique vertical nesting scheme in which the ...

William T. Thompson; Stephen D. Burk

1991-02-01T23:59:59.000Z

277

Cold Fronts with and without Prefrontal Wind Shifts in the Central United States  

Science Conference Proceedings (OSTI)

Time series of cold fronts from stations in the central United States possess incredible variety. For example, time series of some cold fronts exhibit a sharp temperature decrease coincident with a pressure trough and a distinct wind shift. Other ...

David M. Schultz

2004-08-01T23:59:59.000Z

278

The Development of the Piedmont Front and Associated Outbreak of Severe Weather on 13 March 1986  

Science Conference Proceedings (OSTI)

An investigation was conducted of the mesoscale evolution of a quasi-stationary front, termed the Piedmont front owing to its location through the central Carolinas, and an associated outbreak of severe weather on 13 March 1986. Space-time ...

Steven Businger; William H. Bauman III; Gerald F. Watson

1991-09-01T23:59:59.000Z

279

Low-Frequency Variability in the Midlatitude Baroclinic Atmosphere Induced by an Oceanic Thermal Front  

Science Conference Proceedings (OSTI)

This study examines the flow induced by an eastwest-oriented oceanic thermal front in a highly idealized baroclinic model. Previous work showed that thermal fronts could produce energetic midlatitude jets in an equivalent-barotropic atmosphere ...

Yizhak Feliks; Michael Ghil; Eric Simonnet

2007-01-01T23:59:59.000Z

280

Two Types of Surface Wind Response to the East China Sea Kuroshio Front  

Science Conference Proceedings (OSTI)

Effects of the sea surface temperature (SST) front along the East China Sea Kuroshio on sea surface winds at different time scales are investigated. In winter and spring, the climatological vector wind is strongest on the SST front while the ...

Jing-Wu Liu; Su-Ping Zhang; Shang-Ping Xie

2013-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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
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281

Mesoscale Subduction at the Antarctic Polar Front Driven by Baroclinic Instability  

Science Conference Proceedings (OSTI)

A study of mesoscale subduction at the Antarctic Polar Front (PF) is conducted by use of hydrographic data from a high-resolution, quasi-synoptic survey of the front. The geostrophic velocity and isopycnal potential vorticity (PV) fields are ...

Alberto C. Naveira Garabato; Harry Leach; John T. Allen; Raymond T. Pollard; Volker H. Strass

2001-08-01T23:59:59.000Z

282

Energy management in a telecommunications environment with associated energy and cost modelling of HVAC.  

E-Print Network (OSTI)

?? Please read the abstract in the section 00front of this document University of Pretoria 2001 Please cite as follows: Rabie, N 2001, Energy (more)

Rabie, Neil

2005-01-01T23:59:59.000Z

283

The Intensification of the Low-Level Jet during the Development of Mesoscale Convective Systems on a Mei-Yu Front  

Science Conference Proceedings (OSTI)

During the period of 2125 June 1991, a mei-yu front, observed by the postTaiwan Area Mesoscale Experiment, produced heavy precipitation along the western side of the Central Mountain Range of Taiwan. Several oceanic mesoscale convective systems ...

Chaing Chen; Wei-Kuo Tao; Pay-Liam Lin; George S. Lai; S-F. Tseng; Tai-Chi Chen Wang

1998-02-01T23:59:59.000Z

284

High dynamic range imaging  

Science Conference Proceedings (OSTI)

Current display devices can display only a limited range of contrast and colors, which is one of the main reasons that most image acquisition, processing, and display techniques use no more than eight bits per color channel. This course outlines recent ...

Paul Debevec; Erik Reinhard; Greg Ward; Sumanta Pattanaik

2004-08-01T23:59:59.000Z

285

ANL/APS/TB-5 Functional Description of APS Beamline Front Ends  

NLE Websites -- All DOE Office Websites (Extended Search)

Functional Description of APS Beamline Front Ends by Tuncer Kuzay February 1993 Advanced Photon Source & Argonne National Laboratory, Argonne, Illinois 60439 o operated by The University of Chicago for the United States Department of Energy under Contract W-31-1 09-Eng-38 Argonne National Laboratory, with facilties in the states of Ilinois and Idaho, is owned by the United States government, and operated by The University of Chicago under the provisions of a contract with the Deparment of Energy. DISCLAIMER This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any waranty, express or implied, or assumes any legal liability or responsibility for the accuracy,

286

A turnstile mechanism for fronts propagating in fluid flows  

E-Print Network (OSTI)

We consider the propagation of fronts in a periodically driven flowing medium. It is shown that the progress of fronts in these systems may be mediated by a turnstile mechanism akin to that found in chaotic advection. We first define the modified ("active") turnstile lobes according to the evolution of point sources across a transport boundary. We then show that the lobe boundaries may be constructed from stable and unstable \\emph{burning invariant manifolds}---one-way barriers to front propagation analogous to traditional invariant manifolds for passive advection. Because the burning invariant manifolds (BIMs) are one-dimensional curves in a three-dimensional ($xy\\theta$) phase space, their projection into $xy$-space exhibits several key differences from their advective counterparts: (lobe) areas are not preserved, BIMs may self-intersect, and an intersection between stable and unstable BIMs does not map to another such intersection. These differences must be accommodated in the correct construction of the new turnstile. As an application, we consider a lobe-based treatment protocol for protecting an ocean bay from an invading algae bloom.

John R. Mahoney; Kevin A. Mitchell

2013-05-22T23:59:59.000Z

287

Key Property of Graphene Sustained Over Wide Ranges of ...  

Science Conference Proceedings (OSTI)

... a proportional relationship between energy and momentum ... an unexpectedly broad range of energies and densities ... that when the density of carriers ...

2012-11-14T23:59:59.000Z

288

Development/Demonstration of an Advanced Oxy-Fuel Front-End System  

SciTech Connect

Owens Corning and other glass manufacturers have used oxy-fuel combustion technology successfully in furnaces to reduce emissions, increase throughput, reduce fuel consumption and, depending on the costs of oxygen and fuel, reduce energy costs. The front end of a fiberglass furnace is the refractory channel system that delivers glass from the melter to the forming process. After the melter, it is the second largest user of energy in a fiberglass plant. A consortium of glass companies and suppliers, led by Owens Corning, was formed to develop and demonstrate oxy/fuel combustion technology for the front end of a fiberglass melter, to demonstrate the viability of this energy saving technology to the U.S. glass industry, as a D.O.E. sponsored project. The project goals were to reduce natural gas consumption and CO2 green house gas emissions by 65 to 70% and create net cost savings after the purchase of oxygen to achieve a project payback of less than 2 years. Project results in Jackson, TN included achieving a 56% reduction in gas consumption and CO2 emissions. A subsequent installation in Guelph ON, not impacted by unrelated operational changes in Jackson, achieved a 64% reduction. Using the more accurate 64% reduction in the payback calculation yielded a 2.2 year payback in Jackson. The installation of the demonstration combustion system saves 77,000 DT/yr of natural gas or 77 trillion Btu/yr and eliminates 4500 tons/yr of CO2 emissions. This combustion system is one of several energy and green house gas reduction technologies being adopted by Owens Corning to achieve aggressive goals relating to the companys global facility environmental footprint.

Mighton, Steven, J.

2007-08-06T23:59:59.000Z

289

Observations of a Terrain-Forced Mesoscale Vortex and Canyon Drainage Flows along the Front Range of Colorado  

Science Conference Proceedings (OSTI)

Observations taken during the February 1991 Atmospheric Studies in Complex Terrain (ASCOT) Winter Validation Study are used to describe the wind field associated with a terrain-forced mesoscale vortex and thermally forced canyon drainage flows ...

David H. Levinson; Robert M. Banta

1995-07-01T23:59:59.000Z

290

A wideband high dynamic range frequency hopping hardware front-end for the joint tactical radio system  

E-Print Network (OSTI)

be controlled with 5V CMOS/TTL logic levels. These controlinput on bits A0-A3 (5V CMOS/TTL) to select from one of thecontrolled by a 4-bit 5 V CMOS/TTL input for filter control

Arriagada, Anton

2010-01-01T23:59:59.000Z

291

A wideband high dynamic range frequency hopping hardware front-end for the joint tactical radio system  

E-Print Network (OSTI)

Materials and Power Consumption Manuf. Analog Devices Inc.Materials and Power Consumption Manuf. Analog Devices Inc.Power Consumption Manuf. Skyworks Solutions Analog Devices

Arriagada, Anton

2010-01-01T23:59:59.000Z

292

A wideband high dynamic range frequency hopping hardware front-end for the joint tactical radio system  

E-Print Network (OSTI)

Output Selection Truth Table... Table 2: JTRS RFFEthe LO octave chain output selection truth table. TableChain Output Selection Truth Table V LO1 V LO2 LO Output Low

Arriagada, Anton

2010-01-01T23:59:59.000Z

293

Occluded Fronts and the Occlusion Process: A Fresh Look at Conventional Wisdom  

Science Conference Proceedings (OSTI)

Traditionally, the formation of an occluded front during the occlusion process in extratropical cyclones has been viewed as the catch-up of a faster-moving cold front to a slower-moving warm front separating the warm-sector air from the low center, as ...

David M. Schultz; Geraint Vaughan

2011-04-01T23:59:59.000Z

294

GASLESS COMBUSTION FRONTS WITH HEAT LOSS ANNA GHAZARYAN, STEPHEN SCHECTER, AND PETER L. SIMON  

E-Print Network (OSTI)

GASLESS COMBUSTION FRONTS WITH HEAT LOSS ANNA GHAZARYAN, STEPHEN SCHECTER, AND PETER L. SIMON Abstract. For a model of gasless combustion with heat loss, we use geometric singular perturbation theory to show existence of traveling combustion fronts. We show that the fronts are nonlinearly stable

Schecter, Stephen

295

Towards front-tracking based on conservation in two space dimensions III, tracking interfaces  

Science Conference Proceedings (OSTI)

This is the third paper in the series of our conservative front-tracking method. In this paper, we describe how our method tracks fluid interfaces in multi-fluid flows. Two important ingredients in our conservative front-tracking method in tracking fluid ... Keywords: Conservative front-tracking, Fluid interface, Numerical surface dissipation, Velocity and pressure equilibrium

Mohammed Aman Ullah, Wenbin Gao, De-Kang Mao

2013-06-01T23:59:59.000Z

296

Analysis of a Surface Front during the Early Summer Rainy Season over Taiwan  

Science Conference Proceedings (OSTI)

A case study of a relatively dry front during TAMEX IOP-4 is presented. At 0000 UTC 27 May, the broad cloud band extended from the China plain and southern Japan to east of 150E, along and north of the surface front. This front possessed ...

Yi-Leng Chen; Yu-Xia Zhang; Norman B-F. Hui

1989-05-01T23:59:59.000Z

297

Rangely Oilfield Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Plants (0) Projects (0) Activities (1) NEPA(0) Geothermal Area Profile Location Colorado Exploration Region Other GEA Development Phase 2008 USGS Resource Estimate Mean Reservoir...

298

Rangely Oilfield Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Well Field Information Development Area: Number of Production Wells: Number of Injection Wells: Number of Replacement Wells: Average Temperature of Geofluid: Sanyal...

299

Range Fuels Biorefinery Groundbreaking | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

about 30 million gallons of biofuels and chemicals. As someone who trained to be a chemical engineer, and who later found himself running a chemical company, I can tell you...

300

The SNS front-end, an injector for a high-power hydrogen-ion accelerator  

DOE Green Energy (OSTI)

The Spallation Neutron Source (SNS) will be an accelerator-based facility in Oak Ridge, TN, delivering pulsed neutron beams to experimenters. Negative hydrogen ion-beams are generated and pre-accelerated in a 2.5-MeV linac injector, or front end (FE), accelerated to 1 GeV energy by a linear accelerator system, converted into protons and accumulated in a ring accelerator, and then directed towards a mercury target to generate the neutrons. The proton beam arrives at the target in bursts of less than 1 {micro}s duration and with more than 1 MW average power. The front end has been built and commissioned by LBNL in Berkeley; shipment to ORNL is essentially complete. This paper provides an overview of FE major design features and experimental results obtained during the commissioning process. The SNS-FE can be viewed as a prototype of a high-current, high duty-factor injector for other accelerator projects or, without the elaborate MEBT, as an independent 2.5-MeV accelerator for various applications.

Keller, R.

2002-02-01T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

Effects of curvature and compressibility on the stability of thermal fronts  

Science Conference Proceedings (OSTI)

The stability of subsonic thermal fronts against corrugation is analyzed and an exact dispersion relation is obtained taking into account the effects of the curvature of the distorted front as well as the compressibility of the gas. At a certain value of the Mach number ahead of the thermal front, unstable rates show a maximum; these rates drop to zero when a Chapman-Jouguet regime is established behind heat fronts. It is shown that curvature effects tend to stabilize conductive heat fronts propagating in a compressible gas.

Ibanez S, Miguel H.; Bessega L, Maria C.; Shchekinov, Yuri [Centro de Fisica Fundamental, Facultad de Ciencias, Universidad de los Andes, Apartado 26, Ipostel, La Hechicera, Merida (Venezuela); Centro de Fisica Teorica y Computacional, Escuela de Fisica, Facultad de Ciencias, Universidad Central de Venezuela, Caracas (Venezuela); Department of Physics, University of Rostov, Rostov on Don, 34409 (Russian Federation)

2006-06-15T23:59:59.000Z

302

Range gated strip proximity sensor  

DOE Patents (OSTI)

A range gated strip proximity sensor uses one set of sensor electronics and a distributed antenna or strip which extends along the perimeter to be sensed. A micro-power RF transmitter is coupled to the first end of the strip and transmits a sequence of RF pulses on the strip to produce a sensor field along the strip. A receiver is coupled to the second end of the strip, and generates a field reference signal in response to the sequence of pulse on the line combined with received electromagnetic energy from reflections in the field. The sensor signals comprise pulses of radio frequency signals having a duration of less than 10 nanoseconds, and a pulse repetition rate on the order of 1 to 10 MegaHertz or less. The duration of the radio frequency pulses is adjusted to control the range of the sensor. An RF detector feeds a filter capacitor in response to received pulses on the strip line to produce a field reference signal representing the average amplitude of the received pulses. When a received pulse is mixed with a received echo, the mixing causes a fluctuation in the amplitude of the field reference signal, providing a range-limited Doppler type signature of a field disturbance. 6 figs.

McEwan, T.E.

1996-12-03T23:59:59.000Z

303

Range gated strip proximity sensor  

DOE Patents (OSTI)

A range gated strip proximity sensor uses one set of sensor electronics and a distributed antenna or strip which extends along the perimeter to be sensed. A micro-power RF transmitter is coupled to the first end of the strip and transmits a sequence of RF pulses on the strip to produce a sensor field along the strip. A receiver is coupled to the second end of the strip, and generates a field reference signal in response to the sequence of pulse on the line combined with received electromagnetic energy from reflections in the field. The sensor signals comprise pulses of radio frequency signals having a duration of less than 10 nanoseconds, and a pulse repetition rate on the order of 1 to 10 MegaHertz or less. The duration of the radio frequency pulses is adjusted to control the range of the sensor. An RF detector feeds a filter capacitor in response to received pulses on the strip line to produce a field reference signal representing the average amplitude of the received pulses. When a received pulse is mixed with a received echo, the mixing causes a fluctuation in the amplitude of the field reference signal, providing a range-limited Doppler type signature of a field disturbance.

McEwan, Thomas E. (Livermore, CA)

1996-01-01T23:59:59.000Z

304

Range imaging laser radar  

SciTech Connect

A laser source is operated continuously and modulated periodically (typicy sinusoidally). A receiver imposes another periodic modulation on the received optical signal, the modulated signal being detected by an array of detectors of the integrating type. Range to the target determined by measuring the phase shift of the intensity modulation on the received optical beam relative to a reference. The receiver comprises a photoemitter for converting the reflected, periodically modulated, return beam to an accordingly modulated electron stream. The electron stream is modulated by a local demodulation signal source and subsequently converted back to a photon stream by a detector. A charge coupled device (CCD) array then averages and samples the photon stream to provide an electrical signal in accordance with the photon stream.

Scott, Marion W. (Albuquerque, NM)

1990-01-01T23:59:59.000Z

305

Instrument Front-Ends at Fermilab During Run II  

SciTech Connect

The optimization of an accelerator relies on the ability to monitor the behavior of the beam in an intelligent and timely fashion. The use of processor-driven front-ends allowed for the deployment of smart systems in the field for improved data collection and analysis during Run II. This paper describes the implementation of the two main systems used: National Instruments LabVIEW running on PCs, and WindRiver's VxWorks real-time operating system running in a VME crate processor.

Meyer, Thomas; Slimmer, David; Voy, Duane; /Fermilab

2011-07-13T23:59:59.000Z

306

Protective coatings for front surface reflectors. Phase I, final report  

DOE Green Energy (OSTI)

Silicone resins were evaluated as protective coatings for front surface aluminum and silver reflectors. The solar weighted hemispherical reflectances and specular reflectances of float glass squares metallized with silver and aluminum and protected with silicone coatings were measured. The float glass squares metallized with silver and aluminum were highly reflective. The total reflectances of the silver samples were 5 to 7% higher than the aluminized samples. The resin coated aluminum samples were much more specular than the silver samples. Coupling agents used to improve the adhesion of the protective silicone resin coating to the silver surface adversely affected the specularities.

Dennis, W.E.

1979-09-01T23:59:59.000Z

307

Multilayer coatings for the EUVL front-end test bed  

SciTech Connect

Good illumination uniformity at the mask and wafer planes, and high wafer thoroughput in the EUVL front-end test bed facility at LLNL require graded period multilayer (ML) coatings on several of the optics. The ML deposition was accomplished using a newly developed deposition technique which avoids the use of {open_quotes}uniformity masks{close_quotes} to define the spatial dependence of the ML period variation. The capabilities of the process in providing the specified ML coatings are discussed for both EUVL condenser and imaging systems.

Vernon, S.P.; Carey, M.J.; Gaines, D.P.; Weber, F.J.

1995-01-19T23:59:59.000Z

308

EA-1147: Final Environmental Assessment | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

design, build, and test critical prototypical components of the accelerator system for tritium production, specifically the front-end low-energy section of the accelerator, at the...

309

EA-1147: Low Energy Demonstration Accelerator Tech Area 53, Los...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

design, build, and test critical prototypical components of the accelerator system for tritium production, specifically the front-end low-energy section of the accelerator, at the...

310

Energy Policy Act Tranportation Study: Interim Report on Natural ...  

U.S. Energy Information Administration (EIA)

Energy Policy Act Transportation Study: Interim Report on Natural Gas Flows and Rates October 1995 ... tariff rates, including up-front capital costs, ...

311

NETL: News Release - Energy Department Advances Carbon Capture...  

NLE Websites -- All DOE Office Websites (Extended Search)

Energy Department Advances Carbon Capture and Storage Research on Two Fronts Recovery Act Projects to Provide Student Training, Technology Advancement Washington, D.C. -...

312

Live Fire Range Environmental Assessment  

SciTech Connect

The Central Training Academy (CTA) is a DOE Headquarters Organization located in Albuquerque, New Mexico, with the mission to effectively and efficiently educate and train personnel involved in the protection of vital national security interests of DOE. The CTA Live Fire Range (LFR), where most of the firearms and tactical training occurs, is a complex separate from the main campus. The purpose of the proposed action is to expand the LFR to allow more options of implementing required training. The Department of Energy has prepared this Environmental Assessment (EA) for the proposed construction and operation of an expanded Live Fire Range Facility at the Central Training Academy in Albuquerque, New Mexico. Based on the analysis in the EA, DOE has determined that the proposed action is not a major Federal action significantly affecting the quality of the human environment, within the meaning of the National Environmental Policy Act (NEPA) of 1969. Therefore, the preparation of an environmental impact statement is not required and DOE is issuing this Finding of No Significant Impact (FONSI).

None

1993-08-01T23:59:59.000Z

313

Light-Front Holography and QCD Hadronization at the Amplitude Level  

E-Print Network (OSTI)

Light-front holography allows hadronic amplitudes in the AdS/QCD fifth dimension to be mapped to frame-independent light-front wavefunctions of hadrons in physical space-time, thus providing a relativistic description of hadrons at the amplitude level. The AdS coordinate z is identified with an invariant light-front coordinate zeta which separates the dynamics of quark and gluon binding from the kinematics of constituent spin and internal orbital angular momentum. The result is a single-variable light-front Schrodinger equation for QCD which determines the eigenspectrum and the light-front wavefunctions of hadrons for general spin and orbital angular momentum. A new method for computing the hadronization of quark and gluon jets at the amplitude level using AdS/QCD light-front wavefunctions is outlined.

Stanley J. Brodsky; Guy de Teramond

2009-01-07T23:59:59.000Z

314

TECH_08DEC-1 BEDB_Front Cover_Spiral  

Buildings Energy Data Book (EERE)

9 9 2009 Buildings Energy Data Book October 2009 Prepared for the Buildings Technologies Program Energy Efficiency and Renewable Energy U.S. Department of Energy by D&R International, Ltd. under contract to Research and Development Solutions, LLC and National Energy Technology Laboratory Table of Contents iii Foreword ..........................................................................................................................................v Acknowledgements ........................................................................................................................ vi Introduction ................................................................................................................................... vii

315

Evolutionary algorithm for the neutrino factory front end design  

Science Conference Proceedings (OSTI)

The Neutrino Factory is an important tool in the long-term neutrino physics program. Substantial effort is put internationally into designing this facility in order to achieve desired performance within the allotted budget. This accelerator is a secondary beam machine: neutrinos are produced by means of the decay of muons. Muons, in turn, are produced by the decay of pions, produced by hitting the target by a beam of accelerated protons suitable for acceleration. Due to the physics of this process, extra conditioning of the pion beam coming from the target is needed in order to effectively perform subsequent acceleration. The subsystem of the Neutrino Factory that performs this conditioning is called Front End, its main performance characteristic is the number of the produced muons.

Poklonskiy, Alexey A.; /Michigan State U.; Neuffer, David; /Fermilab

2009-01-01T23:59:59.000Z

316

Commissioning of the SNS front-end systems at Berkeley Lab  

E-Print Network (OSTI)

COMMISSIONING OF THE SNS FRONT-END SYSTEMS AT BERKELEY LAB*Details of other MEBT commissioning efforts, especiallywere provided by LANL. Commissioning topics included beam

2002-01-01T23:59:59.000Z

317

Front Row (left to right): Bryan Reed, Wayne King, Nigel Browning ...  

DTEM Team Members: Front Row (left to right): Bryan Reed, Wayne King, Nigel Browning, Judy Kim, Michael Armstrong Back Row (left to right): Thomas LaGrange ...

318

Recursion relations and scattering amplitudes in the light-front formalism  

E-Print Network (OSTI)

The fragmentation functions and scattering amplitudes are investigated in the framework of light-front perturbation theory. It is demonstrated that, the factorization property of the fragmentation functions implies the recursion relations for the off-shell scattering amplitudes which are light-front analogs of the Berends-Giele relations. These recursion relations on the light-front can be solved exactly by induction and it is shown that the expressions for the off-shell light-front amplitudes are represented as a linear combinations of the on-shell amplitudes. By putting external particles on-shell we recover the scattering amplitudes previously derived in the literature.

Christian A. Cruz-Santiago; Anna M. Stasto

2013-08-05T23:59:59.000Z

319

A Short-Range to Early-Medium-Range Ensemble Prediction System for the European Area  

Science Conference Proceedings (OSTI)

An ensemble prediction system, especially designed for the short to early-medium range for the European domain, is presented. The initial perturbations of each ensemble are based on singular vectors that maximize the 3-day total energy error ...

H. Hersbach; R. Mureau; J. D. Opsteegh; J. Barkmeijer

2000-10-01T23:59:59.000Z

320

Microsoft Word - NETL Report Cover (Front)_Atomistic Modeling...  

NLE Websites -- All DOE Office Websites (Extended Search)

ATOMISTIC MODELING OF OIL SHALE KEROGENS AND ASPHALTENES ALONG WITH THEIR INTERACTIONS WITH THE INORGANIC MINERAL MATRIX Office of Fossil Energy Relative Energy (kcalmol) 0 +14.9...

Note: This page contains sample records for the topic "front range energy" 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

D:\AEO98\OV98\front.wpd  

Gasoline and Diesel Fuel Update (EIA)

8) 8) Distribution Category UC-950 The National Energy Modeling System: An Overview 1998 February 1998 Energy Information Administration Office of Integrated Analysis and Forecasting U.S. Department of Energy Washington, DC 20585 This report was prepared by the Energy Information Administration, the independent statistical and analytical agency within the U.S. Department of Energy. The information contained herein should be attributed to the Energy Information Administration and should not be construed as advocating or reflecting any policy position of the Department of Energy or any other organization. ii Energy Information Administration/ The National Energy Modeling System: An Overview 1998 PREFACE The National Energy Modeling System: An Overview provides a summary description of the National Energy Modeling

322

Inertial range turbulence in kinetic plasmas  

E-Print Network (OSTI)

The transfer of turbulent energy through an inertial range from the driving scale to dissipative scales in a kinetic plasma followed by the conversion of this energy into heat is a fundamental plasma physics process. A theoretical foundation for the study of this process is constructed, but the details of the kinetic cascade are not well understood. Several important properties are identified: (a) the conservation of a generalized energy by the cascade; (b) the need for collisions to increase entropy and realize irreversible plasma heating; and (c) the key role played by the entropy cascade--a dual cascade of energy to small scales in both physical and velocity space--to convert ultimately the turbulent energy into heat. A strategy for nonlinear numerical simulations of kinetic turbulence is outlined. Initial numerical results are consistent with the operation of the entropy cascade. Inertial range turbulence arises in a broad range of space and astrophysical plasmas and may play an important role in the thermalization of fusion energy in burning plasmas.

G. G. Howes

2007-11-27T23:59:59.000Z

323

Method and apparatus for coherent burst ranging  

DOE Patents (OSTI)

A high resolution ranging method is described utilizing a novel modulated waveform, hereafter referred to as coherent burst modulation. In the coherent burst method, high frequency modulation of an acoustic or electromagnetic transmitter, such as a laser, is performed at a modulation frequency. This modulation frequency is transmitted quasi-continuously in the form of interrupted bursts of radiation. Energy from the transmitter is directed onto a target, interacts with the target, and the returning energy is collected. The encoded burst pattern contained in the collected return signal is detected coherently by a receiver that is tuned so as to be principally sensitive to the modulation frequency. The receiver signal is processed to determine target range using both time-of-flight of the burst envelope and phase shift of the high frequency modulation. This approach effectively decouples the maximum unambiguous range and range resolution relationship of earlier methods, thereby allowing high precision ranging to be conducted at arbitrarily long distances using at least one burst of encoded energy. The use of a receiver tuned to the high frequency modulation contained within the coherent burst vastly improves both sensitivity in the detection of the target return signal and rejection of background interferences, such as ambient acoustic or electromagnetic noise. Simultaneous transmission at several energies (or wavelengths) is possible by encoding each energy with a separate modulation frequency or pattern; electronic demodulation at the receiver allows the return pattern for each energy to be monitored independently. Radial velocity of a target can also be determined by monitoring change in phase shift of the return signal as a function of time. 12 figs.

Wachter, E.A.; Fisher, W.G.

1998-04-28T23:59:59.000Z

324

Method and apparatus for coherent burst ranging  

DOE Patents (OSTI)

A high resolution ranging method is described utilizing a novel modulated waveform, hereafter referred to as coherent burst modulation. In the coherent burst method, high frequency modulation of an acoustic or electromagnetic transmitter, such as a laser, is performed at a modulation frequency. This modulation frequency is transmitted quasi-continuously in the form of interrupted bursts of radiation. Energy from the transmitter is directed onto a target, interacts with the target, and the returning energy is collected. The encoded burst pattern contained in the collected return signal is detected coherently by a receiver that is tuned so as to be principally sensitive to the modulation frequency. The receiver signal is processed to determine target range using both time-of-flight of the burst envelope and phase shift of the high frequency modulation. This approach effectively decouples the maximum unambiguous range and range resolution relationship of earlier methods, thereby allowing high precision ranging to be conducted at arbitrarily long distances using at least one burst of encoded energy. The use of a receiver tuned to the high frequency modulation contained within the coherent burst vastly improves both sensitivity in the detection of the target return signal and rejection of background interferences, such as ambient acoustic or electromagnetic noise. Simultaneous transmission at several energies (or wavelengths) is possible by encoding each energy with a separate modulation frequency or pattern; electronic demodulation at the receiver allows the return pattern for each energy to be monitored independently. Radial velocity of a target can also be determined by monitoring change in phase shift of the return signal as a function of time.

Wachter, Eric A. (138 Bay Path Dr., Oak Ridge, TN 37830); Fisher, Walter G. (8514 Carl Valentine, Knoxville, TN 37931)

1998-01-01T23:59:59.000Z

325

ANL/APS/TB-44, Guidelines for Beamline and Front-End Radiation Shielding Design at the Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

APS/TB-44 Rev. 4 APS/TB-44 Rev. 4 Guidelines for Beamline and Front-End Radiation Shielding Design at the Advanced Photon Source Revision 4 Advanced Photon Source About Argonne National Laboratory Argonne is a U.S. Department of Energy laboratory managed by UChicago Argonne, LLC under contract DE-AC02-06CH11357. The Laboratory's main facility is outside Chicago, at 9700 South Cass Avenue, Argonne, Illinois 60439. For information about Argonne and its pioneering science and technology programs, see www.anl.gov. Availability of This Report This report is available, at no cost, at http://www.osti.gov/bridge. It is also available on paper to the U.S. Department of Energy and its contractors, for a processing fee, from: U.S. Department of Energy Office of Scientific and Technical Information

326

On-Site Renewable Power Purchase Agreements | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

On-Site Renewable Power Purchase Agreements On-Site Renewable Power Purchase Agreements On-Site Renewable Power Purchase Agreements October 16, 2013 - 5:09pm Addthis An on-site renewable power purchase agreement (PPA) enables Federal agencies to fund a renewable energy project by contracting to purchase the power generated by the system. The renewable energy equipment is installed and owned by a developer but located on-site at the agency facility. As noted in the renewable energy project funding overview, PPAs provide a range of attractive benefits to Federal agencies trying to access renewable energy. These include no up-front capital costs; the ability to monetize tax incentives; typically a known, long-term energy price; no operations and maintenance (O&M) responsibilities; and minimal risk to the agency.

327

The Interruption of Alpine Foehn by a Cold Front. Part I: Observations  

E-Print Network (OSTI)

in Inn and Wipp Valley Temperature slope profile Doppler wind lidar in Wipp Valley #12;6 of 13 Case study study Wipp Valley: AWS network Pot. Temp. and Wind ­ Hovmoeller diagram Strong and warm foehn in the lower Wipp Valley Western Inn-Valley gust front enters Wipp Valley Cold front propagates southward

Gohm, Alexander

328

Fronts Formed by Obliquely Reflecting Internal Waves at a Sloping Boundary  

Science Conference Proceedings (OSTI)

A characteristic of internal waves reflecting from sloping boundaries is that they form fronts that travel with the component of the phase speed of the waves up the boundary. The strength of the fronts is assessed by estimating the magnitude of ...

S. A. Thorpe

1999-09-01T23:59:59.000Z

329

Large-Scale Response of the Pacific Ocean Subarctic Front to Momentum Transfer: A Numerical Study  

Science Conference Proceedings (OSTI)

A numerical four-layer hydrodynamical model is implemented to investigate the role the atmosphere exerts on the dynamics of the subarctic front. While the effect of the westerly winds causes a southward shift of the front, the effect of a ...

Alejandro Camerlengo

1982-10-01T23:59:59.000Z

330

PHYSICS RESULTS OF THE NSLS-II LINAC FRONT END TEST STAND  

Science Conference Proceedings (OSTI)

The Linac Front End Test Stand (LFETS) was installed at the Source Development Laboratory (SDL) in the fall of 2011 in order to test the Linac Front End. The goal of these tests was to test the electron source against the specifications of the linac. In this report, we discuss the results of these measurements and the effect on linac performance.

Fliller R. P.; Gao, F.; Yang, X.; Rose, J.; Shaftan, T.; Piel, C

2012-05-20T23:59:59.000Z

331

A front-tracking method for computation of interfacial flows with soluble surfactants  

Science Conference Proceedings (OSTI)

A finite-difference/front-tracking method is developed for computations of interfacial flows with soluble surfactants. The method is designed to solve the evolution equations of the interfacial and bulk surfactant concentrations together with the incompressible ... Keywords: Buoyancy-driven flow, Drop cleavage, Front-tracking method, Soluble surfactant

Metin Muradoglu; Gretar Tryggvason

2008-02-01T23:59:59.000Z

332

Discrete Event Front-tracking Simulation of a Physical Fire-spread Model  

Science Conference Proceedings (OSTI)

Simulation of moving interfaces such as a fire front usually requires resolution of a large-scale and detailed domain. Such computing involves the use of supercomputers to process the large amount of data and calculations. This limitation is mainly due ... Keywords: DEVS, asynchronous, discrete events, envelope, fire spread, flame, forest, front tracking, interface, simulation

Jean-Baptiste Filippi; Frdric Morandini; Jacques Henri Balbi; David Rc Hill

2010-10-01T23:59:59.000Z

333

Two Types of Surface Wind Response to the East China Sea Kuroshio Front  

Science Conference Proceedings (OSTI)

Effects of the sea surface temperature (SST) front along the East China Sea Kuroshio on sea surface winds at different time scales are investigated. In winter and spring, the climatological vector wind is strongest right on the SST front while the ...

Jing-Wu Liu; Su-Ping Zhang; Shang-Ping Xie

334

Electrical double layers at shock fronts in glow discharges and afterglows  

Science Conference Proceedings (OSTI)

This paper examines the propagation of spark-generated shockwaves (1.0front in these weakly-ionized, nonmagnetized, collisional plasmas. We used a microwave hairpin resonator to measure the electron number density, and, for all cases, we measured an increase in the electron number density at the shock front. By comparing the increase in electron number density at the shock front in the active discharge and in the afterglow, we conclude that electrons with a temperature much greater than room temperature can be compressed at the shock front. The ratio of electron number density before and after the shock front can be approximately predicted using the Rankine-Hugoniot relationship. The large gradient in electron density, and hence a large gradient in the flux of charged species, created a region of space-charge separation, i.e., a double layer, at the shock front. The double layer balances the flux of charged particles on both sides of the shock front. The double layer voltage drop was measured in the current-carrying discharge using floating probes and compared with previous models. As well, we measured argon 1s{sup 5} metastable-state density and demonstrate that metastable-state neutral species can be compressed across a shock front and approximately predicted using the Rankine-Hugoniot relationship.

Siefert, Nicholas S. [Air Force Research Laboratory, Wright Patterson, Ohio 45433 (United States)

2010-12-15T23:59:59.000Z

335

Finescale Vertical Structure of a Cold Front as Revealed by an Airborne Doppler Radar  

Science Conference Proceedings (OSTI)

In the afternoon of 24 May 2002, a well-defined and frontogenetic cold front moved through the Texas panhandle. Detailed observations from a series of platforms were collected near the triple point between this cold front and a dryline boundary.

Bart Geerts; Rick Damiani; Samuel Haimov

2006-01-01T23:59:59.000Z

336

Mineral paragenesis and textures associated with sandstone-hosted roll-front uranium deposits, NW China  

E-Print Network (OSTI)

Mineral paragenesis and textures associated with sandstone-hosted roll-front uranium deposits, NW, People's Republic of China c Northwest Institute of Uranium Geology, China National Nuclear Corporation, Wuyiyi and Shihongtan sandstone-hosted roll-front uranium deposits, northwest China. The mineralization

Fayek, Mostafa

337

Evidence of uranium biomineralization in sandstone-hosted roll-front uranium deposits, northwestern China  

E-Print Network (OSTI)

Evidence of uranium biomineralization in sandstone-hosted roll-front uranium deposits, northwestern Available online 25 January 2005 Abstract We show evidence that the primary uranium minerals, uraninite-front uranium deposits, Xinjiang, northwestern China were biogenically precipitated and psuedomorphically

Fayek, Mostafa

338

Real-Time Detection of Split Fronts Using Mesoscale Models and WSR-88D Radar Products  

Science Conference Proceedings (OSTI)

A structured methodology for detecting the presence of split cold fronts in an operational forecast environment is developed and applied to a case in which a split front passed over a region of cold air damming in the southeastern United States. ...

Steven E. Koch

2001-02-01T23:59:59.000Z

339

Upper-Level Frontogenesis: Two Case Studies from the FRONTS 87 Experiment  

Science Conference Proceedings (OSTI)

This study describes the structure of two cold fronts observed during the European experiment FRONTS 87. The selection of these two particular cases is based on the existence of well-marked upper-level features, such as strong jet streams, upper-...

Konstantinos Lagouvardos; Vassiliki Kotroni

1995-04-01T23:59:59.000Z

340

Silicon Solar Cells with Front Hetero-contact and Aluminum Alloy Back Junction (Poster)  

DOE Green Energy (OSTI)

The objectives of this report are: (1) to apply industrial back Al process in efficient n-wafer cells with a-Si:H front surface passivation; and (2) to evaluate the surface recombination velocity (SRV) of the a-Si:H passivated front surface with different surface preparation procedures.

Yuan, H.-C.; Page, M. R.; Iwaniczko, E.; Xu, Y.; Roybal, L.; Wang, Q.; Branz, H. M.; Meier, D. L.

2008-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

Trapping of a Coastal Density Front by the Bottom Boundary Layer  

Science Conference Proceedings (OSTI)

The dynamics of a surface-to-bottom density front on a uniformly sloping continental shelf and the role of density advection in the bottom boundary layer are examined using a three-dimensional, primitive equation numerical model. The front is ...

David C. Chapman; Steven J. Lentz

1994-07-01T23:59:59.000Z

342

Microsoft Word - front_matter_Mar13.docx  

Gasoline and Diesel Fuel Update (EIA)

April 2013 April 2013 U.S. Department of Energy Washington, DC 20585 April 2013 U.S. Energy Information Administration | Natural Gas Monthly ii This report was prepared by the U.S. Energy Information Administration (EIA), the statistical and analytical agency within the U.S. Department of Energy. By law, EIA's data, analyses, and forecasts are independent of approval by any other officer or employee of the United States Government. The views in this report therefore should not be construed as representing those of the Department of Energy or other Federal agencies. April 2013 U.S. Energy Information Administration | Natural Gas Monthly

343

Compact range for variable-zone measurements  

DOE Patents (OSTI)

A compact range for testing antennas or radar targets includes a source for directing energy along a feedline toward a parabolic reflector. The reflected wave is a spherical wave with a radius dependent on the distance of the source from the focal point of the reflector. 2 figs.

Burnside, W.D.; Rudduck, R.C.; Yu, J.S.

1987-02-27T23:59:59.000Z

344

Compact range for variable-zone measurements  

DOE Patents (OSTI)

A compact range for testing antennas or radar targets includes a source for directing energy along a feedline toward a parabolic reflector. The reflected wave is a spherical wave with a radius dependent on the distance of the source from the focal point of the reflector.

Burnside, Walter D. (Columbus, OH); Rudduck, Roger C. (Columbus, OH); Yu, Jiunn S. (Albuquerque, NM)

1988-01-01T23:59:59.000Z

345

Plans for an Integrated Front-End Test Stand at the Spallation Neutron Source  

SciTech Connect

A spare Radio-Frequency Quadrupole (RFQ) is presently being fabricated by industry with delivery to Oak Ridge National Laboratory planned in late 2012. The establishment of a test stand at the Spallation Neutron Source site is underway so that complete acceptance testing can be performed during the winter of 2012-2013. This activity is the first step in the establishment of an integrated front-end test stand that will include an ion source, low-energy beam transport (LEBT), RFQ, medium-energy beam transport, diagnostics, and a beam dump. The test stand will be capable of delivering an H- ion beam of up to 50 mA with a pulse length of 1 ms and a repetition rate of 60 Hz or a proton beam of up to 50 mA, 100us, 1Hz. The test stand will enable the following activities: complete ion source characterization; development of a magnetic LEBT chopper; development of a two-source layout; development of beam diagnostics; and study of beam dynamics of high intensity beam.

Champion, Mark S [ORNL; Aleksandrov, Alexander V [ORNL; Crofford, Mark T [ORNL; Heidenreich, Dale A [ORNL; Kang, Yoon W [ORNL; Moss, John [ORNL; Roseberry, Jr., R Tom [ORNL; Schubert, James Phillip [ORNL

2012-01-01T23:59:59.000Z

346

Geothermal Resource Analysis and Structure of Basin and Range...  

Open Energy Info (EERE)

Energy, 2003 DOI Not Provided Check for DOI availability: http:crossref.org Online Internet link for Geothermal Resource Analysis and Structure of Basin and Range Systems,...

347

Inertial range turbulence in kinetic plasmas  

E-Print Network (OSTI)

The transfer of turbulent energy through an inertial range from the driving scale to dissipative scales in a kinetic plasma followed by the conversion of this energy into heat is a fundamental plasma physics process. A theoretical foundation for the study of this process is constructed, but the details of the kinetic cascade are not well understood. Several important properties are identified: (a) the conservation of a generalized energy by the cascade; (b) the need for collisions to increase entropy and realize irreversible plasma heating; and (c) the key role played by the entropy cascade--a dual cascade of energy to small scales in both physical and velocity space--to convert ultimately the turbulent energy into heat. A strategy for nonlinear numerical simulations of kinetic turbulence is outlined. Initial numerical results are consistent with the operation of the entropy cascade. Inertial range turbulence arises in a broad range of space and astrophysical plasmas and may play an important role in the ther...

Howes, G G

2007-01-01T23:59:59.000Z

348

Range of Glaciers: The Exploration of the Northern Cascade Range  

E-Print Network (OSTI)

D. Hook, Reference Librarian, University of Idaho Library,Moscow, Idaho 83844-2350, (208) 885-6066.Robert D. Hook University of Idaho, USA Fred Beckey. Range

Hook, Robert D.

2006-01-01T23:59:59.000Z

349

Dual energy scanning beam laminographic x-radiography  

DOE Patents (OSTI)

A multiple x-ray energy level imaging system includes a scanning x-ray beam and two detector design having a first low x-ray energy sensitive detector and a second high x-ray energy sensitive detector. The low x-ray energy detector is placed next to or in front of the high x-ray energy detector. The low energy sensitive detector has small stopping power for x-rays. The lower energy x-rays are absorbed and converted into electrical signals while the majority of the higher energy x-rays pass through undetected. The high energy sensitive detector has a large stopping power for x-rays as well as it having a filter placed between it and the object to absorb the lower energy x-rays. In a second embodiment; a single energy sensitive detector is provided which provides an output signal proportional to the amount of energy in each individual x-ray it absorbed. It can then have an electronic threshold or thresholds set to select two or more energy ranges for the images. By having multiple detectors located at different positions, a dual energy laminography system is possible.

Majewski, Stanislaw (Grafton, VA); Wojcik, Randolph F. (Yorktown, VA)

1998-01-01T23:59:59.000Z

350

Dual energy scanning beam laminographic x-radiography  

DOE Patents (OSTI)

A multiple x-ray energy level imaging system includes a scanning x-ray beam and two detector design having a first low x-ray energy sensitive detector and a second high x-ray energy sensitive detector. The low x-ray energy detector is placed next to or in front of the high x-ray energy detector. The low energy sensitive detector has small stopping power for x-rays. The lower energy x-rays are absorbed and converted into electrical signals while the majority of the higher energy x-rays pass through undetected. The high energy sensitive detector has a large stopping power for x-rays as well as it having a filter placed between it and the object to absorb the lower energy x-rays. In a second embodiment; a single energy sensitive detector is provided which provides an output signal proportional to the amount of energy in each individual x-ray it absorbed. It can then have an electronic threshold or thresholds set to select two or more energy ranges for the images. By having multiple detectors located at different positions, a dual energy laminography system is possible. 6 figs.

Majewski, S.; Wojcik, R.F.

1998-04-21T23:59:59.000Z

351

Microscopic Examination of a Corrosion Front in Spent Nuclear Fuel  

Science Conference Proceedings (OSTI)

Spent uranium oxide nuclear fuel hosts a variety of trace chemical constituents, many of which must be sequestered from the biosphere during fuel storage and disposal. In this paper we present synchrotron x-ray absorption spectroscopy and microscopy findings that illuminate the resultant local chemistry of neptunium and plutonium within spent uranium oxide nuclear fuel before and after corrosive alteration in an air-saturated aqueous environment. We find the plutonium and neptunium in unaltered spent fuel to have a +4 oxidation state and an environment consistent with solid-solution in the UO{sub 2} matrix. During corrosion in an air-saturated aqueous environment, the uranium matrix is converted to uranyl U(VI)O{sub 2}{sup 2+} mineral assemblage that is depleted in plutonium and neptunium relative to the parent fuel. At the corrosion front interface between intact fuel and the uranyl-mineral corrosion layer, we find evidence of a thin ({approx}20 micrometer) layer that is enriched in plutonium and neptunium within a predominantly U{sup 4+} environment. Available data for the standard reduction potentials for NpO{sup 2+}/Np{sup 4+} and UO{sub 2}{sup 2+}/U{sup 4+} couples indicate that Np(IV) may not be effectively oxidized to Np(V) at the corrosion potentials of uranium dioxide spent nuclear fuel in air-saturated aqueous solutions. Neptunium is an important radionuclide in dose contribution according to performance assessment models of the proposed U. S. repository at Yucca Mountain, Nevada. A scientific understanding of how the UO{sub 2} matrix of spent nuclear fuel impacts the oxidative dissolution and reductive precipitation of neptunium is needed to predict its behavior at the fuel surface during aqueous corrosion. Neptunium would most likely be transported as aqueous Np(V) species, but for this to occur it must first be oxidized from the Np(IV) state found within the parent spent nuclear fuel [1]. In the immediate vicinity of the spent fuel's surface the redox and nucleation behavior is likely to promote/enhance nucleation of NpO{sub 2} and Np{sub 2}O{sub 5}. Alternatively, Np may be incorporated into uranyl (UO{sub 2}{sup 2+}) alteration phases [2]. In some cases, less-soluble elements such as plutonium will be enriched near the surface of the corroding fuel [3]. We have used focused synchrotron x-rays from the MRCAT beam line at the Advanced Photon Source (APS) at Argonne National Lab to examine a specimen of spent nuclear fuel that had been subject to 10 years of corrosion testing in an environment of humid air and dripping groundwater at 90 C [4]. We find evidence of a region, approximately 20 microns in thickness, enriched in plutonium and neptunium at the corrosion front that exists between the uranyl silicate alteration mineral rind and the unaltered uranium oxide fuel (Figures 1 and 2). The uranyl silicate is itself found to be depleted in these transuranic elements relative to their abundance relative to uranium in the parent fuel. This suggests a low mobility of these components owing to a resistance to oxidize further in the presence of a UO{sub 2}{sup 2+}/U{sup 4+} couple [5].

J.A> Fortner; A.J. Kropf; R.J. Finch; J.C. Cunnane

2006-06-20T23:59:59.000Z

352

Observations of the Sea-Breeze Front during CaPE. Part II: Dual-Doppler and Aircraft Analysis  

Science Conference Proceedings (OSTI)

The three-dimensional kinematic structures of offshore and onshore flow sea-breeze fronts observed during the CaPE experiment are shown using high resolution dual-Doppler and aircraft data. The fronts interact with horizontal convective rolls (...

Nolan T. Atkins; Roger M. Wakimoto; Tammy M. Weckwerth

1995-04-01T23:59:59.000Z

353

SiGe receiver front ends and flip-chip integrated wideband antennas for millimeter-wave passive imaging  

E-Print Network (OSTI)

SiGe wideband 77-GHz and 94-GHz front end receivers with integrated antennas for passive imaging have been designed and characterized. These front end systems exhibit wideband performance with the highest gain and lowest ...

Powell, Johnna, 1980-

2009-01-01T23:59:59.000Z

354

A Simple Model of the Formation and Maintenance of the Shelf/Slope Front in the Middle Atlantic Bight  

Science Conference Proceedings (OSTI)

The strong salinity and temperature gradients across the shelf/slope front in the Middle Atlantic Bight often compensate such that the cross-front density gradient is nearly eliminated. The suggests that the density field may not be as ...

David C. Chapman

1986-07-01T23:59:59.000Z

355

Magnetohydrodynamic Simulations of the Formation of Cold Fronts in Clusters of Galaxies including Heat Conduction  

E-Print Network (OSTI)

Recent Chandra observations of clusters of galaxies revealed the existence of a sharp ridge in the X-ray surface brightness where the temperature drops across the front. This front is called the cold front. We present the results of two-dimensional magnetohydrodynamic simulations of the time evolution of a dense subcluster plasma moving in a cluster of galaxies. Anisotropic heat conduction along the magnetic field lines is included. In the models without magnetic fields, the numerical results indicate that the heat conduction from the hot ambient plasma heats the cold dense plasma of the subcluster and diffuses out the cold front. When magnetic fields exist in a cluster of galaxies, however, cold fronts can be maintained because the heat conduction across the magnetic field lines is suppressed. We found that, even when the magnetic fields in a cluster of galaxies are disordered, heat conduction across the front is restricted because the magnetic field lines are stretched along the front. Numerical results reproduced the X-ray intensity distribution observed in the A3667 cluster of galaxies.

Naoki Asai; Naoya Fukuda; Ryoji Matsumoto

2004-04-07T23:59:59.000Z

356

Light-Front Holography, AdS/QCD, and Hadronic Phenomena  

E-Print Network (OSTI)

AdS/QCD, the correspondence between theories in a modified five-dimensional anti-de Sitter space and confining field theories in physical space-time, provides a remarkable semiclassical model for hadron physics. Light-front holography allows hadronic amplitudes in the AdS fifth dimension to be mapped to frame-independent light-front wavefunctions of hadrons in physical space-time, thus providing a relativistic description of hadrons at the amplitude level. We identify the AdS coordinate $z$ with an invariant light-front coordinate $\\zeta$ which separates the dynamics of quark and gluon binding from the kinematics of constituent spin and internal orbital angular momentum. The result is a single-variable light-front Schr\\"odinger equation with a confining potential which determines the eigenspectrum and the light-front wavefunctions of hadrons for general spin and orbital angular momentum. The mapping of electromagnetic and gravitational form factors in AdS space to their corresponding expressions in light-front theory confirms this correspondence. Some novel features of QCD are discussed, including the consequences of confinement for quark and gluon condensates. The distinction between static structure functions, such as the probability distributions computed from the square of the light-front wavefunctions, versus dynamical structure functions which include the effects of rescattering, is emphasized. A new method for computing the hadronization of quark and gluon jets at the amplitude level, an event amplitude generator, is outlined.

Stanley J. Brodsky; Guy F. de Teramond

2009-09-22T23:59:59.000Z

357

Front Vehicle Setup Information Downloadable Dynamometer Database (D  

NLE Websites -- All DOE Office Websites (Extended Search)

Chevrolet Volt- 20F Chevrolet Volt- 20F Test cell location Front Vehicle Setup Information Downloadable Dynamometer Database (D 3 )- Test Summary Sheet Vehicle architecture EREV Vehicle dynamometer Input Document date 8/7/2013 Advanced Powertrain Research Facility Test weight [lb] Target A [lb] 4000 28.66 Target B [lb/mph] Target C [lb/mph^2] -0.0132 0.0202 Revision Number 3 Notes: Test Fuel Information Fuel type EPA Tier II EEE Fuel density [g/ml] Fuel Net HV [BTU/lbm] 0.743 18490 T e s t I D [ # ] C y c l e C o l d s t a r t ( C S t ) H o t s t a r t [ H S t ] D a t e T e s t C e l l T e m p [ C ] T e s t C e l l R H [ % ] T e s t C e l l B a r o [ i n / H g ] V e h i c l e c o o l i n g f a n s p e e d : S p e e d M a t c h [ S M ] o r c o n s t a n t s p e e d [ C S ] S o l a r L a m p s [ W / m 2 ] V e i c l e C l i m a t e C o n t r o l s e t t i n g s H o o d P o s i t i o n [ U p ] o r [ C l o s e d ] W i n d o w P o s i t i o n [ C l o s e d ] o r [ D o w n ] C y c l e D i s t a n c e [ m i ] C y c l e F u

358

Microsoft Word - front_matter_Dec12.docx  

Gasoline and Diesel Fuel Update (EIA)

of Oil, Gas, and Coal Supply Statistics of Oil, Gas, and Coal Supply Statistics www.eia.gov Natural Gas Annual 2011 U.S. Department of Energy Washington, DC 20585 2011 U.S. Energy Information Administration | Natural Gas Monthly ii This report was prepared by the U.S. Energy Information Administration (EIA), the statistical and analytical agency within the U.S. Department of Energy. By law, EIA's data, analyses, and forecasts are independent of approval by any other officer or employee of the United States Government. The views in this report therefore should not be construed as representing those of the Department of Energy or other Federal agencies. 2011 U.S. Energy Information Administration | Natural Gas Annual

359

C:\MYDOCS\COALRES\1997update\FRONT-1.wpd  

Gasoline and Diesel Fuel Update (EIA)

7) 7) Distribution Category UC-950 U.S. Coal Reserves: 1997 Update February 1999 Energy Information Administration Office of Coal, Nuclear, Electric and Alternate Fuels Office of Integrated Analysis and Forecasting U.S. Department of Energy Washington, DC 20585 This report was prepared by the Energy Information Administration, the independent statistical and analytical agency within the Department of Energy. The information contained herein should not be construed as advocating or reflecting any policy position of the Department of Energy or of any other organization. Energy Information Administration/ U.S. Coal Reserves:1997 Update ii Internet Access The databases in this report can be accessed and downloaded via the EIA home page:  http://www.eia.doe.gov.

360

Higher-order differencing for front propagation in geothermal systems  

E-Print Network (OSTI)

and Renewable Energy, Geothermal Division, U.S. Departmentorder differencing for geothermal reservoir simulation,Proc. 22nd Workshop on Geothermal Reservoir Engineering,

Oldenburg, Curtis; Pruess, Karsten

1998-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

Cover with Front Matter 7-11-12  

National Nuclear Security Administration (NNSA)

(Appendix G) Location: Las Vegas, Nevada Type: Multi-Program Site Web site: https:nv.energy.gov Contractor Operator: National Security Technologies, LLC Responsible Site...

362

Y-12_Front Cover_Summary_Feb2011.ai  

National Nuclear Security Administration (NNSA)

Summary COVER SHEET RESPONSIBLE AGENCY: United States (U.S.) Department of Energy (DOE), National Nuclear Security Administration (NNSA) TITLE: Final Site-Wide Environmental Impact...

363

Microsoft Word - front_matter_Dec12.docx  

U.S. Energy Information Administration (EIA) Indexed Site

included quantities covered by long-term contracts and gas involved in short-term or spot market sales. Source: Energy Information Administration (EIA), Form EIA -176, "Annual...

364

Alternative Energy Development and China's Energy Future  

E-Print Network (OSTI)

by Alternative Energy Technology . 75Figure 25. Range in Alternative Energy EROEIs in Existingof Energy Output for Alternative Energy Development, 2010-

Zheng, Nina

2012-01-01T23:59:59.000Z

365

Texas Gas Service - Commercial Energy Efficiency Rebate Program |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Texas Gas Service - Commercial Energy Efficiency Rebate Program Texas Gas Service - Commercial Energy Efficiency Rebate Program Texas Gas Service - Commercial Energy Efficiency Rebate Program < Back Eligibility Commercial Industrial Savings Category Appliances & Electronics Water Heating Program Info State Texas Program Type Utility Rebate Program Rebate Amount Front-loading Clothes Washers: up to $100 Commercial Water Heating System: up to 20% of cost Hydronic Heater: $125 per unit Infra-red Fryers: $400 Convection Ovens: $400 Conveyor Ovens: $400 Infra-red Griddles $200 Booster Heater: $500/unit Texas Gas Service (TGS) offers a range of financial incentives to commercal customers who purchase and install energy efficient commercial equipment. Eligible equipment includes commercial clothes washers, water heaters, hydronic heating systems, ovens, fryers, griddles and booster heaters.

366

Propagation of Front Waves in Myelinated Nerve Fibres: New Electrical Transmission Lines Constituted of Linear and Nonlinear Portions  

Science Conference Proceedings (OSTI)

In this paper, the authors examine the propagation of wave fronts in myelinated nerve fibres and applications as electrical transmission lines constituted of linear and nonlinear portions. Numerical simulations show that the front introduced in the nonlinear ... Keywords: Demyelination, Electrical Line, Front Wave, Myelinated Fibre, Regenerative, Remyelination

Assatou Mboussi Nkomidio; Paul Woafo

2011-01-01T23:59:59.000Z

367

Midtropospheric Anticyclonic Vortex Street Associated with a Cloud Band near a Cold Front  

Science Conference Proceedings (OSTI)

The characteristics and formation mechanism of an anticyclonic vortex street of meso-? scale, which appeared near a cold front around the Ryukyu Islands, Japan, on 11 April 1995, were examined by an analysis of observational data, a numerical ...

Eizi Toyoda; Hiroshi Niino; Kazuhisa Tsuboki; Ryuji Kimura; Masanori Yoshizaki

1999-08-01T23:59:59.000Z

368

Major Cloud Plumes in the Arctic and Their Relation to Fronts and Ice Movement  

Science Conference Proceedings (OSTI)

A study of the movement of orographic cloud plumes from one island to another in the Svalbard-Novaya Zemlya region of the Barents Sea revealed a close association with similar movements of arctic fronts. Strong northerly winds behind arctic ...

Robert W. Fett

1992-06-01T23:59:59.000Z

369

Influences of the Sierra Nevada on Intermountain Cold-Front Evolution  

Science Conference Proceedings (OSTI)

Recent studies indicate that strong cold fronts develop frequently downstream of the Sierra Nevada over the Intermountain West. To help ascertain why, this paper examines the influence of the Sierra Nevada on the rapidly developing Intermountain ...

Gregory L. West; W. James Steenburgh

2011-10-01T23:59:59.000Z

370

Kinematic and Moisture Characteristics of a Nonprecipitating Cold Front Observed during IHOP. Part II: Alongfront Structures  

Science Conference Proceedings (OSTI)

Kinematic and thermodynamic structures of a nonprecipitating cold front observed in west-central Kansas on 10 June 2002 during the International H2O Project (IHOP) are examined with dropsondes and airborne instrumentation that includes Doppler ...

Katja Friedrich; David E. Kingsmill; Cyrille Flamant; Hanne V. Murphey; Roger M. Wakimoto

2008-10-01T23:59:59.000Z

371

Numerical Study of Precipitation Core-Gap Structure along Cold Fronts  

Science Conference Proceedings (OSTI)

The mechanism responsible for the core-gap structure of precipitation along narrow cold-frontal rainbands (NCFRs) is investigated through analyses of idealized cloud-resolving simulations of cold fronts. The control simulation, in which the ...

Masayuki Kawashima

2007-07-01T23:59:59.000Z

372

Influence of the Subtropical Andes on Baroclinic Disturbances: A Cold Front Case Study  

Science Conference Proceedings (OSTI)

The Andes Cordillera produces a significant disruption to the structure and evolution of the weather systems that cross South America. In particular, cold fronts tend to be channeled to the north immediately to the east of the Andes, fostering ...

Marcelo E. Seluchi; RenD. Garreaud; Federico A. Norte; A. Celeste Saulo

2006-11-01T23:59:59.000Z

373

The Orographic Modulation of Pre-Warm-Front Precipitation in Southern New England  

Science Conference Proceedings (OSTI)

Topographic forcing over the hills and small mountains of southern New England plays an important role in determining the distribution of pre-warm-front precipitation from winter cyclones. Upslope regions receive 2060% more precipitation than do ...

Richard E. Passarelli Jr.; Hannah Boehme

1983-05-01T23:59:59.000Z

374

Forecasting the Impacts of Strong Wintertime Post-Cold Front Winds in the Northern Plains  

Science Conference Proceedings (OSTI)

Strong post-cold front wind events in the northern plains of the United States are a difficult problem for operational forecasters. The various atmospheric ingredients that lead to these events are examined from an operational point of view. ...

Anton F. Kapela; Preston W. Leftwich; Richard Van Ess

1995-06-01T23:59:59.000Z

375

Sensitivity of Mesoscale Gravity Waves to the Baroclinicity of Jet-Front Systems  

Science Conference Proceedings (OSTI)

This study investigates the sensitivity of mesoscale gravity waves to the baroclinicity of the background jet-front systems by simulating different life cycles of baroclinic waves with a high-resolution mesoscale model. Four simulations are made ...

Shuguang Wang; Fuqing Zhang

2007-02-01T23:59:59.000Z

376

Ocean Fronts off California: A New Product from GOES Satellite Data  

E-Print Network (OSTI)

COASTAL OCEAN RESEARCH R/CZ-181: 3.1.20022.28.2005 Ocean Fronts off California: A Newsurfers who complain that the ocean is coldest in spring are

Breaker, Laurence

2004-01-01T23:59:59.000Z

377

Applications of AdS/QCD and Light-Front Holography to Baryon Physics  

SciTech Connect

The correspondence between theories in anti-de Sitter space and field theories in physical space-time leads to an analytic, semiclassical model for strongly-coupled QCD which has scale invariance at short distances and color confinement at large distances. These equations, for both mesons and baryons, give a very good representation of the observed hadronic spectrum, including a zero mass pion. Light-front holography allows hadronic amplitudes in the AdS fifth dimension to be mapped to frame-independent light-front wavefunctions of hadrons in physical space-time, thus providing a relativistic description of hadrons at the amplitude level. The meson and baryon wavefunctions derived from light-front holography and AdS/QCD also have remarkable phenomenological features, including predictions for the electromagnetic form factors and decay constants. The approach can be systematically improved using light-front Hamiltonian methods. Some novel features of QCD for baryon physics are also discussed.

Brodsky, Stanley J.; /SLAC; de Teramond, Guy F.; /Costa Rica U.

2011-08-22T23:59:59.000Z

378

Simulation of chemical reaction fronts in anaerobic digestion of solid waste  

Science Conference Proceedings (OSTI)

A case study for parallelisation of a code for a nonlinear system of evolution equations is presented. It describes the propagation of reaction fronts in anaerobic waste digestion. These occur as a consequence of heterogeneous initial distributions of ...

Hermann J. Eberl

2003-05-01T23:59:59.000Z

379

Mesoscale Modeling of a Cold Front and Its Interaction with a Diurnally Heated Land Mass  

Science Conference Proceedings (OSTI)

A mesoscale numerical model incorporating a detailed planetary boundary-layer scheme, including momentum, heat and moisture exchange with the lower boundary, is used to study the change in structure of a dry summertime front as it moves towards a ...

William L. Physick

1988-11-01T23:59:59.000Z

380

VHF Radar Observations of Gravity-Wave Production by Cold Fronts over Southern Australia  

Science Conference Proceedings (OSTI)

Four extended observational campaigns were conducted during August and November 1988 with an ST (stratospheretroposphere) radar in southern Australia during the passage of cold fronts over the system, giving around 30 days of three-dimensional ...

Stephen D. Eckermann; Robert A. Vincent

1993-03-01T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

The Southerly Burster of South Eastern Australia: An Orographically Forced Cold Front  

Science Conference Proceedings (OSTI)

This paper presents an observational study of the southerly burster, or southerly buster, a particularly intense type of orographically and thermally influenced cold front which occurs in spring and summer along the southern coast of New ...

J. R. Colquhoun; D. J. Shepherd; C. E. Coulman; R. K. Smith; K. McInnes

1985-12-01T23:59:59.000Z

382

On the Movement and Low-Level Structure of Cold Fronts  

Science Conference Proceedings (OSTI)

This paper presents a review of theoretical and observational studies relating to the low-level structure of cold fronts and explores the factors that are pertinent to frontal motion.

Roger K. Smith; Michael J. Reeder

1988-10-01T23:59:59.000Z

383

Downwelling-Front Instability and Eddy Formation in the Eastern Mediterranean  

Science Conference Proceedings (OSTI)

The instability of the downwelling front along the southern coast of Asia Minor is studied with a multimode quasigeostrophic model. Linear analysis shows that the most unstable wave has a length of about 100 km, The wavelength depends only very ...

Yizhak Feliks; Michael Ghil

1993-01-01T23:59:59.000Z

384

What Maintains the SST Front North of the Eastern Pacific Equatorial Cold Tongue?  

Science Conference Proceedings (OSTI)

A coupled oceanatmosphere regional model suggests a mechanism for formation of a sharp sea surface temperature (SST) front north of the equator in the eastern Pacific Ocean in boreal summer and fall. Meridional convergence of Ekman transport at ...

Simon P. de Szoeke; Shang-Ping Xie; Toru Miyama; Kelvin J. Richards; R. Justin O. Small

2007-06-01T23:59:59.000Z

385

Diapycnal Diffusivity Inferred from Scalar Microstructure Measurements near the New England Shelf/Slope Front  

Science Conference Proceedings (OSTI)

Conductivity microstructure was used to estimate the diapycnal thermal eddy diffusivity KT near the New England shelf/slope front in early August 1997. Two datasets were collected with a towed vehicle. One involved several horizontal tows in and ...

Chris R. Rehmann; Timothy F. Duda

2000-06-01T23:59:59.000Z

386

The Cold Front of 15 April 1994 over the Central United States. Part I: Observations  

Science Conference Proceedings (OSTI)

Detailed observations of the interactions of a cold front and a dryline over the central United States that led to dramatic undulations in the boundary layer, including an undular bore, are investigated using high-resolution water vapor mixing ...

B. B. Demoz; D. OC. Starr; K. D. Evans; A. R. Lare; D. N. Whiteman; G. Schwemmer; R. A. Ferrare; J. E. M. Goldsmith; S. E. Bisson

2005-06-01T23:59:59.000Z

387

Topographic Distortion of a Cold Front over the Snake River Plain and Central Idaho Mountains  

Science Conference Proceedings (OSTI)

The topographic distortion of a cold front over the Snake River Plain (SRP) and central Idaho Mountains on 3 December 1998 is described using high-density surface observations from MesoWest, a collection of meteorological networks over the ...

W. James Steenburgh; Thomas R. Blazek

2001-06-01T23:59:59.000Z

388

Location of the Antarctic Polar Front from AMSR-E Satellite Sea Surface Temperature Measurements  

Science Conference Proceedings (OSTI)

The location of the Southern Ocean polar front (PF) is mapped from the first 3 yr of remotely sensed Advanced Microwave Scanning Radiometer for the Earth Observing System (AMSR-E) sea surface temperature (SST) measurements. In agreement with ...

Shenfu Dong; Janet Sprintall; Sarah T. Gille

2006-11-01T23:59:59.000Z

389

Use of Synthetic Aperture Radar in Finescale Surface Analysis of Synoptic-Scale Fronts at Sea  

Science Conference Proceedings (OSTI)

The viability of synthetic aperture radar (SAR) as a tool for finescale marine meteorological surface analyses of synoptic-scale fronts is demonstrated. In particular, it is shown that SAR can reveal the presence of, and the mesoscale and ...

G. S. Young; T. N. Sikora; N. S. Winstead

2005-06-01T23:59:59.000Z

390

The Life Cycle of an Undular Bore and Its Interaction with a Shallow, Intense Cold Front  

Science Conference Proceedings (OSTI)

The evolution of an undular bore and its associated wind shift, spawned by the passage of a shallow surface cold front over the Southern Great Plains of the United States, is examined using surface and remote sensing observations along with ...

Daniel C. Hartung; Jason A. Otkin; Jonathan E. Martin; David D. Turner

2010-03-01T23:59:59.000Z

391

The Life Cycle of Thunderstorm Gust Fronts as Viewed with Doppler Radar and Rawinsonde Data  

Science Conference Proceedings (OSTI)

This paper presents the time-dependent analysis of the thunderstorm gust front with the use of Project NIMROD data. RHI cross sections of reflectivity and Doppler velocity are constructed to determine the entire vertical structure. The life cycle ...

Roger M. Wakimoto

1982-08-01T23:59:59.000Z

392

Observations of a Subtropical Cold Front in a Region of Complex Terrain  

Science Conference Proceedings (OSTI)

The passage of shallow cold fronts during the late spring and early summer months over the island of Taiwan is often accompanied by heavy rainfall and occasional flash flood episodes. Previous studies have emphasized the weak baroclinicity of ...

Stanley B. Trier; David B. Parsons; Thomas J. Matejka

1990-12-01T23:59:59.000Z

393

Identification of Atmospheric Fronts over the Ocean with Microwave Measurements of Water Vapor and Rain  

Science Conference Proceedings (OSTI)

This Paper describes some basic research techniques and algorithms developed to diagnose fronts in cyclonic storms over the ocean with data from satellite-borne microwave radiometers. The need for this research stems from the limited availability ...

Kristina B. Kanaros; Iffekhar Bhatti; Llynn A. Mcmurdie; Grant W. Petty

1989-12-01T23:59:59.000Z

394

The Norwegian IPYTHORPEX: Polar Lows and Arctic Fronts during the 2008 Andya Campaign  

Science Conference Proceedings (OSTI)

From a weather forecasting perspective, the Arctic poses particular challenges for mainly two reasons: 1) The observational data are sparse and 2) the weather phenomena responsible for severe weather, such as polar lows, Arctic fronts, and orographic ...

J. E. Kristjnsson; I. Barstad; T. Aspelien; I. Fre; . Gody; . Hov; E. Irvine; T. Iversen; E. Kolstad; T. E. Nordeng; H. McInnes; R. Randriamampianina; J. Reuder; . Saetra; M. Shapiro; T. Spengler; H. lafsson

2011-11-01T23:59:59.000Z

395

Light-Front Quantization of the Polyakov D1 Brane Action With a Scalar Dilaton Field  

E-Print Network (OSTI)

Light-front quantization of the conformally gauge-fixed Polyakov D1 brane action with a scalar dilaton field is studied using the equal light-cone world-sheet time framework.

D. S. Kulshreshtha

2007-11-08T23:59:59.000Z

396

Cold Fronts Aloft and the Forecasting of Precipitation and Severe Weather East of the Rocky Mountains  

Science Conference Proceedings (OSTI)

Brief descriptions are given of four cases that illustrate the important role that cold fronts aloft (CFA) can play in producing significant weather cast of the Rocky Mountains. In all four cases, the CFA, and its associated short wave, were ...

Peter V. Hobbs; John D. Locatelli; Jonathan E. Martin

1990-12-01T23:59:59.000Z

397

Comparative Analysis of Low-Level Cold Fronts: Wavelet, Fourier, and Empirical Orthogonal Function Decompositions  

Science Conference Proceedings (OSTI)

Atmospheric cold fronts observed in the boundary layer represent relatively sharp transition zones between air masses of disparate physical characteristics. Further, wavelike features and/or eddy structures are often observed in conjunction with ...

Nimal Gamage; William Blumen

1993-10-01T23:59:59.000Z

398

Commissioning of the SNS front-end systems at Berkeley Lab  

E-Print Network (OSTI)

Results Obtained with the SNS H - Ion Source and LEBT atVarious contributions by SNS authors to these conferenceCOMMISSIONING OF THE SNS FRONT-END SYSTEMS AT BERKELEY LAB*

2002-01-01T23:59:59.000Z

399

The SNS front-end, an injector for a high-power hydrogen-ion accelerator  

E-Print Network (OSTI)

Stockli, R. Welton, and M. White (SNS-ORNL); J. Power and M.VI. REFERENCES N. Holtkamp, The SNS Linac and Storage Ring:the FES Team, Status of the SNS Front-End Sys- tems, Paper

Keller, R.

2002-01-01T23:59:59.000Z

400

The Marine Boundary Layer in the Vicinity of an Ocean Front  

Science Conference Proceedings (OSTI)

Aircraft observations obtained during the Frontal AirSea Interaction Experiment (FASINEX) are used to investigate the structure of the marine atmospheric boundary layer in the vicinity of an ocean front. A quasi-stationary sea surface ...

David P. Rogers

1989-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

Direct Observations of Along-Isopycnal Upwelling and Diapycnal Velocity at a Shelfbreak Front  

Science Conference Proceedings (OSTI)

By mapping the three-dimensional density field while simultaneously tracking a subsurface, isopycnal float, direct observations of upwelling along a shelfbreak front were made on the southern flank of Georges Bank. The thermohaline and bio-...

John A. Barth; Dave Hebert; Andrew C. Dale; David S. Ullman

2004-03-01T23:59:59.000Z

402

A Mean Synoptic View of the Subantarctic Front South of Australia  

Science Conference Proceedings (OSTI)

A mean synoptic view of the subantarctic front (SAF) is obtained from current meter and hydrographic data by averaging absolute and baroclinic velocity measurements in bins defined by a cross-stream coordinate that moves with the current. The ...

Helen E. Phillips; Stephen R. Rintoul

2002-05-01T23:59:59.000Z

403

A New Statistical Modeling Approach to Ocean Front Detection from SST Satellite Images  

Science Conference Proceedings (OSTI)

Ocean fronts are narrow zones of intense dynamic activity that play an important role in global oceanatmosphere interactions. Owing to their highly variable nature, both in space and time, they are notoriously difficult features to adequately ...

Jo Hopkins; Peter Challenor; Andrew G. P. Shaw

2010-01-01T23:59:59.000Z

404

Relationship between a Weakening Cold Front, Misocyclones, and Cloud Development on 10 June 2002 during IHOP  

Science Conference Proceedings (OSTI)

The finescale structure and evolution of a cold front in the presence of small-scale circulations are examined using overdetermined dual-Doppler syntheses of mobile radar data along with thermodynamic data and cloud imagery collected on 10 June ...

Nettie R. Arnott; Yvette P. Richardson; Joshua M. Wurman; Erik M. Rasmussen

2006-01-01T23:59:59.000Z

405

Experimental evaluation of the in-plane seismic behavior of store-front window systems  

E-Print Network (OSTI)

J. , (1960). Behavior of window panels under in-planeC. , (1997). Behavior of window glass panels duringBehavior of Store-front Window Systems A thesis submitted in

Eva, Charles Almond

2009-01-01T23:59:59.000Z

406

The Stability of Steady Fronts and the Adjoint Method: Nonmodal Frontal Waves  

Science Conference Proceedings (OSTI)

The adjoint method for finding optimal or singular modes is employed for studying the finite time stability of steady, tw0-dimensional atmospheric fronts as represented by the uniform potential vorticity semigeostrophic model.

Alain Joly

1995-09-01T23:59:59.000Z

407

Unstable Waves on Oceanic Fronts: Large Amplitude Behavior and Mean Flow Generation  

Science Conference Proceedings (OSTI)

A primitive equation numerical model is used to study the large amplitude behavior of unstable waves on an oceanic density front, concentrating on a single wave mode corresponding to the fastest growing linear solution. At Small amplitude the ...

Richard A. Wood

1988-05-01T23:59:59.000Z

408

The Evolution of an Observed Cold Front. Part II: Mesoscale Dynamics  

Science Conference Proceedings (OSTI)

A detailed analysis is made of a three-dimensional numerical simulation of the evolution of an observed moist frontal system over a 48 h period. The simulated front undergoes an initial period of frontogenetic growth, characterized by an ...

Isidoro Orlanski; Bruce B. Ross

1984-05-01T23:59:59.000Z

409

The Evolution of an Observed Cold Front. Part I. Numerical Simulation  

Science Conference Proceedings (OSTI)

The 48 h evolution of an observed cold front is simulated by a three-dimensional mesoscale-numerical model for a typical springtime synoptic situation over the southeastern United States. The model used in this study employs anelastic equations ...

Bruce B. Ross; Isidoro Orlanski

1982-02-01T23:59:59.000Z

410

A survey of front end modularity as an automotive architecture and its ability to deliver value  

E-Print Network (OSTI)

The partitioning of a system can and will dictate the creative space for a designer or engineer. This thesis will analyze how using a new automotive architecture known as a Front End Module (FEM) can affect a limited ...

Mah, Vincent R. (Vincent Robert)

2008-01-01T23:59:59.000Z

411

Absolute Transports of Mass and Temperature for the North Atlantic Current Subpolar Front System  

Science Conference Proceedings (OSTI)

The flow of subtropical waters carried into the northern North Atlantic Ocean by the North Atlantic Current subpolar front system (NACSPF) is an important component of the meridional overturning circulation. These waters become colder and ...

Paula Prez-Brunius; Tom Rossby; D. Randolph Watts

2004-08-01T23:59:59.000Z

412

A 6-yr Climatology of Fronts Affecting Helsinki, Finland, and Their Boundary Layer Structure  

Science Conference Proceedings (OSTI)

A 6-yr climatology of the frequency, characteristics, and boundary layer structure of synoptic-scale fronts in Helsinki, Finland, was created using significant weather charts and observations from a 327-m-tall mast and from the Station for ...

Victoria A. Sinclair

2013-09-01T23:59:59.000Z

413

Boundary layer convergence induced by strong winds across a midlatitude SST front  

Science Conference Proceedings (OSTI)

Recent studies indicate that midlatitude SST fronts influence extends through the marine atmospheric boundary layer (MABL) into the free atmosphere, with implications for climate variability. To better understand the mechanisms of this ocean-to-...

Thomas Kilpatrick; Niklas Schneider; Bo Qiu

414

Variability of the Intertropical Front (ITF) and Rainfall over the West African SudanSahel Zone  

Science Conference Proceedings (OSTI)

The Intertropical Front (ITF) is a fundamental feature of the atmospheric circulation over West Africa. It separates the wedge of warm moist southwesterly monsoon flow off the tropical Atlantic from much hotter and very dry northeasterly wind ...

M. Issa Ll; Peter J. Lamb

2010-07-01T23:59:59.000Z

415

Low-Frequency Variability in the Midlatitude Atmosphere Induced by an Oceanic Thermal Front  

Science Conference Proceedings (OSTI)

This study examines the flow induced in a highly idealized atmospheric model by an eastwest-oriented oceanic thermal front. The model has a linear marine boundary layer coupled to a quasigeostrophic, equivalent- barotropic free atmosphere. The ...

Yizhak Feliks; Michael Ghil; Eric Simonnet

2004-05-01T23:59:59.000Z

416

The Role of Stratification in the Formation and Maintenance of Shelf-Break Fronts  

Science Conference Proceedings (OSTI)

A mechanism is described for the formation or a front at the edge of a continental shelf in an initially linearly stratified fluid lacking horizontal density gradients. A primitive equation numerical model is used with a specified vertically ...

Glen Gawarkiewicz; David C. Chapman

1992-07-01T23:59:59.000Z

417

Occurrence and Structure of Mesoscale Fronts and Cyclones near Icy Bay, Alaska  

Science Conference Proceedings (OSTI)

When synoptic-scale cyclones stagnate against the mountains of southeast Alaska, a trough extends to the northwest, along the southern Alaskan coast. A front between maritime and continental air masses develops along the coast. During early ...

Michael Reynolds

1983-10-01T23:59:59.000Z

418

Boundary Layer Control of Buoyant Coastal Currents and the Establishment of a Shelfbreak Front  

Science Conference Proceedings (OSTI)

The bottom boundary layer exerts a powerful control over buoyant coastal currents that contact the bottom, providing a mechanism for trapping density fronts along isobaths. Recent observations suggest that this mechanism may play a role in ...

David C. Chapman

2000-11-01T23:59:59.000Z

419

Examination of the Mesoscale Features of the GALE Coastal Front of 24-25 January 1986  

Science Conference Proceedings (OSTI)

The early evolution of a coastal front that formed off the southeast coast of the United States on 24 January 1986 is examined. Satellite and radar imagery together with the intensive surface, upper0air, and aircraft observations available during ...

Allen J. Riordan

1990-02-01T23:59:59.000Z

420

Analysis and Diagnosis of the Composition of Ageostrophic Circulations in Jet-Front Systems  

Science Conference Proceedings (OSTI)

Diagnostic case studies of ageostrophic circulations in upper-tropospheric jet-front systems are presented, using the numerical analyses of the ECMWF model as data sources. The impact of the ECMWF analysis procedure on the retrieved ageostrophic ...

Jean-Pierre Cammas; Daniel Ramond

1989-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "front range energy" 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

On the Front Lines 162 Los Alamos Science Number 23 1995  

E-Print Network (OSTI)

On the Front Lines 162 Los Alamos Science Number 23 1995 I n 1943, the Manhattan Project. Baumbach, S. Fried, P. L. Kirk and, R. S. Rosenfels (Manhattan Project Report CK-1143, December 1943

Massey, Thomas N.

422

Potential Vorticity and Vertical Velocity at the Iceland-Frs Front  

Science Conference Proceedings (OSTI)

Using data from high-resolution surveys of the Iceland- Frs Front, the authors have calculated synoptic maps of the geostrophic velocity, vorticity, and potential vorticity on isopycnal surfaces. The data have also been used to diagnose the ...

J. T. Allen; D. A. Smeed

1996-12-01T23:59:59.000Z

423

Non-Adiabatic Effects on Combustion Front Propagation in Porous Media: Multiplicity of Steady States  

Science Conference Proceedings (OSTI)

The sustained propagation of combustion fronts in porous media is a necessary condition for the success of an in situ combustion project for oil recovery. Compared to other recovery methods, in situ combustion involves the added complexity of exothermic reactions and temperature-dependent chemical kinetics. In the presence of heat losses, the possibility of ignition and extinction (quenching) exists. In this report, we address the properties of combustion fronts propagating at a constant velocity in the presence of heat losses.

Akkutlu, I. Yucel; Yortsos, Yanis C.

2002-03-11T23:59:59.000Z

424

Influence of p-method finite element parameters on predictions of crack front geometry  

Science Conference Proceedings (OSTI)

The effect of various p-method finite element model parameters on the prediction of planar crack front geometry in three dimensional structures is evaluated. An automatic crack growth method was developed using the commercial software StressCheck coupled ... Keywords: ?, Corner crack, Crack front, Finite element, Mesh, Stress intensity factor, a, b, b/a, c, ctrat, ipr, m, mrat, p-method, trans

Diane Wowk, Kyle Gamble, Ross Underhill

2013-10-01T23:59:59.000Z

425

Wave front fragmentation due to ventricular geometry in a model of the rabbit heart  

Science Conference Proceedings (OSTI)

The role of the hearts complex shape in causing the fragmentation of activation wave fronts characteristic of ventricular fibrillation (VF) has not been well studied. We used a finite element model of cardiac propagation capable of simulating functional reentry on curved two-dimensional surfaces to test the hypothesis that uneven surface curvature can cause local propagation block leading to proliferation of reentrant wave fronts. We found that when reentry was induced on a flat sheet

Jack M. Rogers

2002-01-01T23:59:59.000Z

426

Coordinate-free description of corrugated flames with realistic density drop at the front  

E-Print Network (OSTI)

The complete set of hydrodynamic equations for a corrugated flame front is reduced to a system of coordinate-free equations at the front using the fact that vorticity effects remain relatively weak even for corrugated flames. It is demonstrated how small but finite flame thickness may be taken into account in the equations. Similar equations are obtained for turbulent burning in the flamelet regime. The equations for a turbulent corrugated flame are consistent with the Taylor hypothesis of stationary external turbulence.

Vitaly Bychkov; Maxim Zaytsev; V'yacheslav Akkerman

2012-10-30T23:59:59.000Z

427

APS Long Range Operations Schedule  

NLE Websites -- All DOE Office Websites (Extended Search)

Shutdown Planning Shutdown Planning Planning Templates Shutdown Planning Schedules: Current Shutdown Schedule Archives: 2006 - 2013 APS Long-Range Operations Schedule: 2014 Archives: 2013 | 2012 2011 | 2010 | 2009 | 2008 2007 | 2006 | 2005 | 2004 2003 | 2002 | 2001 | 2000 1999 | 1998 | 1997 | 1996 APS Long-Range Operations Schedule (Fiscal Year 2014) Alternate Formats: iCal | Excel | PDF APS Long-Range Operation Schedule 2013-3 2014-1 2014-2 Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2

428

AdS/QCD, Light-Front Holography, and Color Confinement  

E-Print Network (OSTI)

A remarkable holographic feature of dynamics in AdS space in five dimensions is that it is dual to Hamiltonian theory in physical space-time, quantized at fixed light-front time {\\tau} = t+z/c. This light-front holographic principle provides a precise relation between the bound-state amplitudes in AdS space and the boost-invariant light-front wavefunctions describing the internal structure of hadrons in physical space-time. The fifth dimension coordinate z is dual to the light front variable {\\zeta} describing the invariant separation of the quark constituents. The resulting valence Fock-state wavefunction eigensolutions of the light-front QCD Hamiltonian satisfy a single-variable relativistic equation of motion, analogous to the nonrelativistic radial Schr\\"odinger equation. The soft-wall dilaton profile exp ({\\kappa}^2 {\\zeta}^2) provides a model for the light-front potential which is color-confining and reproduces well the linear Regge behavior of the light-quark hadron spectrum in both L, the orbital angu...

Brodsky, Stanley J

2013-01-01T23:59:59.000Z

429

Adaptively parallelizing distributed range queries  

Science Conference Proceedings (OSTI)

We consider the problem of how to best parallelize range queries in a massive scale distributed database. In traditional systems the focus has been on maximizing parallelism, for example by laying out data to achieve the highest throughput. However, ...

Ymir Vigfusson; Adam Silberstein; Brian F. Cooper; Rodrigo Fonseca

2009-08-01T23:59:59.000Z

430

Austin Energy- Solar Water Heating Rebate  

Energy.gov (U.S. Department of Energy (DOE))

Austin Energy offers its residential, commercial, and municipal customers up front rebates or a low interest loan for the purchase and installation of solar hot water heaters. Because the program...

431

Energy Policy  

NLE Websites -- All DOE Office Websites (Extended Search)

Wind turbines Energy Policy Energy policy research at the Lawrence Berkeley National Laboratory covers a wide range of topics from the development of policy strategies to encourage...

432

Department of Energy Relaunches Energy.Gov | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Department of Energy Relaunches Energy.Gov Department of Energy Relaunches Energy.Gov Department of Energy Relaunches Energy.Gov August 4, 2011 - 10:33am Addthis New Website Offers Localized Data, Resources to Save Energy and Money Washington, D.C. - The U.S. Department of Energy announced today the next step of its comprehensive website reform, making Energy.gov a cutting-edge, interactive information platform and saving taxpayers more than $10 million annually. Through a complete overhaul of its front-end and back-end design, Energy.gov modernizes how consumers and businesses access the information and resources they need to save money and energy while improving Departmental staff's ability to interact with the public and each other. "Our goal is to make Energy.gov easier to use, more transparent and more

433

Energy  

Site Map; Printable Version; Share this resource. Send a link to Full Size Image - Energy Innovation Portalto someone by E-mail; Share Full Size Image - Energy ...

434

AdS/QCD and Applications of Light-Front Holography  

SciTech Connect

Light-Front Holography leads to a rigorous connection between hadronic amplitudes in a higher dimensional anti-de Sitter (AdS) space and frame-independent light-front wavefunctions of hadrons in 3 + 1 physical space-time, thus providing a compelling physical interpretation of the AdS/CFT correspondence principle and AdS/QCD, a useful framework which describes the correspondence between theories in a modified AdS5 background and confining field theories in physical space-time. To a first semiclassical approximation, where quantum loops and quark masses are not included, this approach leads to a single-variable light-front Schroedinger equation which determines the eigenspectrum and the light-front wavefunctions of hadrons for general spin and orbital angular momentum. The coordinate z in AdS space is uniquely identified with a Lorentz-invariant coordinate {zeta} which measures the separation of the constituents within a hadron at equal light-front time. The internal structure of hadrons is explicitly introduced and the angular momentum of the constituents plays a key role. We give an overview of the light-front holographic approach to strongly coupled QCD. In particular, we study the photon-to-meson transition form factors (TFFs) F{sub M{gamma}}(Q{sup 2}) for {gamma}{gamma}* {yields} M using light-front holographic methods. The results for the TFFs for the {eta} and {eta}' mesons are also presented. Some novel features of QCD are discussed, including the consequences of confinement for quark and gluon condensates. A method for computing the hadronization of quark and gluon jets at the amplitude level is outlined.

Brodsky, Stanley J.; /SLAC /Southern Denmark U., CP3-Origins; Cao, Fu-Guang; /Massey U.; de Teramond, Guy F.; /Costa Rica U.

2012-02-16T23:59:59.000Z

435

RANGE INCREASER FOR PNEUMATIC GAUGES  

DOE Patents (OSTI)

An improved pneumatic gage is offered in which the linear range has been increased without excessive air consumption. This has been accomplished by providing an expansible antechamber connected to the nozzle of the gage so that the position of the nozzle with respect to the workpiece is varied automatically by variation in pressure within the antechamber. This arrangement ensures that the nozzle-to-workpiece clearance is maintained within certain limits, thus obtaining a linear relation of air flow to nozzle-to-workpiece clearance over a wider range.

Fowler, A.H.; Seaborn, G.B. Jr.

1960-09-27T23:59:59.000Z

436

Y-12_Front Cover_Summary_Feb2011.ai  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Summary Summary COVER SHEET RESPONSIBLE AGENCY: United States (U.S.) Department of Energy (DOE), National Nuclear Security Administration (NNSA) TITLE: Final Site-Wide Environmental Impact Statement for the Y-12 National Security Complex (DOE/EIS-0387) (Final Y-12 SWEIS) CONTACT: For further information on this SWEIS, For general information on the DOE contact: National Environmental Policy Act (NEPA) process, contact: Pam Gorman Carol Borgstrom, Director Y-12 SWEIS Document Manager Office of NEPA Policy and Compliance, GC-54 Y-12 Site Office U.S. Department of Energy 800 Oak Ridge Turnpike 1000 Independence Avenue, SW Suite A-500 Washington, DC 20585 Oak Ridge, TN 37830 (202) 586-4600 (865) 576-9903 or leave a message at 1-800-472-2756

437

Energy Blog | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

8, 2012 8, 2012 Since 1977, the people of the U.S. Department of Energy have been delivering the science, innovation and expertise required to advance America's energy, economic and national security. In this photo taken in June 1988, former Secretary of Energy John Herrington takes the wheel of a clean natural gas vehicle in front of the Energy Department in Washington, DC. Today, natural gas powers over 112,000 vehicles in the United States and roughly 14.8 million vehicles worldwide. Natural gas vehicles, which can run on compressed natural gas, are a good option for high-mileage, centrally-fueled fleets that operate within a limited area. | Photo courtesy of the Department of Energy. Photo of the Week: A Driving Force for Natural Gas Check out our favorite energy-related photos!

438

Apparatus for characterizing the temporo-spatial properties of a dynamic fluid front and method thereof  

SciTech Connect

Methods and apparatus are described for characterizing the temporal-spatial properties of a dynamic fluid front within a mold space while the mold space is being filled with fluid. A method includes providing a mold defining a mold space and having one or more openings into the mold space; heating a plurality of temperature sensors that extend into the mold space; injecting a fluid into th emold space through the openings, the fluid experiencing a dynamic fluid front while filling the mold space with a fluid; and characterizing temporal-spatial properties of the dynamic fluid front by monitoring a termperature of each of the plurality of heated temperature sensors while the mold space is being filled with the fluid. An apparatus includes a mold defining a mold space; one or more openings for introducing a fluid into th emold space and filling the mold space with the fluid, the fluid experiencing a dynamic fluid front while filling the mold space; a plurality of heated temperature sensors extending into the mold space; and a computer coupled to the plurality of heated temperature sensors for characterizing the temporal-spatial properties of the dynamic fluid front.

Battiste, Richard L

2013-12-31T23:59:59.000Z

439

VEE-0075- In the Matter of Viking Range Corporation  

Energy.gov (U.S. Department of Energy (DOE))

This Decision and Order considers an Application for Exception filed by Viking Range Corporation (Viking) seeking exception relief from the provisions of 10 C.F.R. Part 430, Energy Conservation...

440

INL Stand-Off Experiment Range will support critical national...  

NLE Websites -- All DOE Office Websites (Extended Search)

INL Stand-Off Experiment Range will support critical national security missions Idaho Falls, ID - The U.S. Department of Energy has issued a Finding of No Significant Impact...

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


441

A Model for Tracking Fronts of Stress-Induced Permeability Enhancement  

E-Print Network (OSTI)

Using an analogy to the classical Stefan problem, we construct evolution equations for the fluid pore pressure on both sides of a propagating stress-induced damage front. Closed form expressions are derived for the position of the damage front as a function of time for the cases of thermally-induced damage as well as damage induced by over-pressure. We derive expressions for the flow rate during constant pressure fluid injection from the surface corresponding to a spherically shaped subsurface damage front. Finally, our model results suggest an interpretation of field data obtained during constant pressure fluid injection over the course of 16 days at an injection site near Desert Peak, NV.

K. C. Lewis; Satish Karra; Sharad Kelkar

2013-05-15T23:59:59.000Z

442

A Model for Tracking Fronts of Stress-Induced Permeability Enhancement  

E-Print Network (OSTI)

Using an analogy to the classical Stefan problem, we construct evolution equations for the fluid pore pressure on both sides of a propagating stress-induced damage front. Closed form expressions are derived for the position of the damage front as a function of time for the cases of thermally-induced damage as well as damage induced by over-pressure. We derive expressions for the flow rate during constant pressure fluid injection from the surface corresponding to a spherically shaped subsurface damage front. Finally, our model results suggest an interpretation of field data obtained during constant pressure fluid injection over the course of 16 days at an injection site near Desert Peak, NV.

Lewis, K C; Kelkar, Sharad

2013-01-01T23:59:59.000Z

443

Report on the value engineering workshop on APS beamline front ends  

SciTech Connect

A formal value engineering evaluation process was developed to address the front end components of the beamlines for the Advanced Photon Source (APS). This process (described in Section 2) involved an information phase, a creative phase, a judgment phase, a development phase, and a recommendation phase. Technical experts from other national laboratories and industry were invited to a two-day Value Engineering Workshop on November 5-6, 1992. The results of this Workshop are described in Section 4. Following the Workshop, various actions by the APS staff led to the redesign of the front end components, which are presented in Sections 5 and 6. The cost benefit analysis is presented in Section 7. It is important of realize that an added benefit of the Workshop was to obtain numerous design evaluations and enhancements of the front end components by experts in the field. As the design work proceeds to Title II completion, the APS staff is including many of these suggestions.

Kuzay, T.

1993-01-01T23:59:59.000Z

444

Characteristics of Medical Research News Reported on Front Pages of Newspapers  

E-Print Network (OSTI)

Background: The placement of medical research news on a newspapers front page is intended to gain the publics attention, so it is important to understand the source of the news in terms of research maturity and evidence level. Methodology/Principal Findings: We searched LexisNexis to identify medical research reported on front pages of major newspapers published from January 1, 2000 to December 31, 2002. We used MEDLINE and Google Scholar to find journal articles corresponding to the research, and determined their evidence level. Of 734 front-page medical research stories identified, 417 (57%) referred to mature research published in peer-reviewed journals. The remaining 317 stories referred to preliminary findings presented at scientific or press meetings; 144 (45%) of those stories mentioned studies that later matured (i.e. were published in journals within 3 years after news coverage). The evidence-level distribution of the 515

William Yuk; Yeu Lai; Trevor Lane

2008-01-01T23:59:59.000Z

445

Energy companies becoming energy service providers.  

E-Print Network (OSTI)

?? Energy efficiency is important but an energy saving potential has yet to reach its full range. Energy services are means to reach that (more)

Dahl, Elin

2012-01-01T23:59:59.000Z

446

Electric power supply and demand 1979 to 1988 for the contiguous United States as projected by the Regional Electric Reliability Councils in their April 1, 1979 long-range coordinated planning reports to the Department of Energy  

SciTech Connect

Information concerning bulk electric power supply and demand is summarized and reviewed. Electric-utility power-supply systems are composed of power sources, transmission and distribution facilities, and users of electricity. In the United States there are three such systems of large geographic extent that together cover the entire country. Subjects covered are: energy forecasts, peak demand forecasts, generating-capacity forecasts, purchases and sales of capacity, and transmission. Extensive data are compiled in 17 tables. Information in two appendices includes a general description of the Regional Electric Reliability Councils and US generating capacity as of June 30, 1979. 3 figures, 17 tables.

Savage, N.; Graban, W.

1979-12-01T23:59:59.000Z

447

Tonopah test range - outpost of Sandia National Laboratories  

Science Conference Proceedings (OSTI)

Tonopah Test Range is a unique historic site. Established in 1957 by Sandia Corporation, Tonopah Test Range in Nevada provided an isolated place for the Atomic Energy Commission to test ballistics and non-nuclear features of atomic weapons. It served this and allied purposes well for nearly forty years, contributing immeasurably to a peaceful conclusion to the long arms race remembered as the Cold War. This report is a brief review of historical highlights at Tonopah Test Range. Sandia`s Los Lunas, Salton Sea, Kauai, and Edgewood testing ranges also receive abridged mention. Although Sandia`s test ranges are the subject, the central focus is on the people who managed and operated the range. Comments from historical figures are interspersed through the narrative to establish this perspective, and at the end a few observations concerning the range`s future are provided.

Johnson, L.

1996-03-01T23:59:59.000Z

448

Microsoft Word - front_matter_Dec12.docx  

Gasoline and Diesel Fuel Update (EIA)

5 5 Egypt Figure 2. Natural gas supply and disposition in the United States, 2011 (trillion cubic feet) Extraction Loss Gross Withdrawals From Gas and Oil Wells Nonhydrocarbon Gases Removed Vented/Flared Reservoir Repressuring Production Dry Gas Imports Canada Trinidad/Tobago Nigeria Natural Gas Storage Facilities Exports Japan Canada Mexico Additions Withdrawals Gas Industry Use Residential Commercial Industrial Vehicle Fuel Electric Power 28.5 0.9 0.2 3.4 3.117 0.129 0.002 0.500 0.937 0.018 22.9 1.1 3.5 3.1 2.0 3.2 6.9 0.03 7.6 0.035 Sources: Energy Information Administration (EIA), Form EIA-176, "Annual Report of Natural and Supplemental Gas Supply and Disposition"; Form EIA-895, "Annual Quantity and

449

Slow Temperature Equilibration Behind the Shock Front of SN 1006  

E-Print Network (OSTI)

We report on the observation of OVII Doppler line broadening in a compact knot at the edge of SN 1006 detected with the Reflective Grating Spectrometer on board XMM-Newton. The observed line width of sigma = 3.4+/-0.5 eV at a line energy of 574 eV indicates an oxygen temperature of kT = 528+/-150 keV. Combined with the observed electron temperature of 1.5 keV the observed broadening is direct evidence for temperature non-equilibration in high Mach number shocks, and slow subsequent equilibration. The OVII line emission allows an accurate determination of the ionization state of the plasma, which is characterized by a relatively high forbidden line contribution, indicating log(n_e t) ~ 9.2.

Vink, Jeroen C; Gu, M F; Rasmussen, A; Kaastra, J S; Vink, Jacco; Gu, Ming Feng; Rasmussen, Andrew; Kaastra, Jelle S.

2003-01-01T23:59:59.000Z

450

Slow Temperature Equilibration Behind the Shock Front of SN 1006  

E-Print Network (OSTI)

We report on the observation of OVII Doppler line broadening in a compact knot at the edge of SN 1006 detected with the Reflective Grating Spectrometer on board XMM-Newton. The observed line width of sigma = 3.4+/-0.5 eV at a line energy of 574 eV indicates an oxygen temperature of kT = 528+/-150 keV. Combined with the observed electron temperature of 1.5 keV the observed broadening is direct evidence for temperature non-equilibration in high Mach number shocks, and slow subsequent equilibration. The OVII line emission allows an accurate determination of the ionization state of the plasma, which is characterized by a relatively high forbidden line contribution, indicating log(n_e t) ~ 9.2.

Jacco Vink; J. Martin Laming; Ming Feng Gu; Andrew Rasmussen; Jelle S. Kaastra

2003-03-03T23:59:59.000Z

451

Department of Energy Relaunches Energy.Gov | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Relaunches Energy.Gov Relaunches Energy.Gov Department of Energy Relaunches Energy.Gov August 4, 2011 - 10:33am Addthis New Website Offers Localized Data, Resources to Save Energy and Money Washington, D.C. - The U.S. Department of Energy announced today the next step of its comprehensive website reform, making Energy.gov a cutting-edge, interactive information platform and saving taxpayers more than $10 million annually. Through a complete overhaul of its front-end and back-end design, Energy.gov modernizes how consumers and businesses access the information and resources they need to save money and energy while improving Departmental staff's ability to interact with the public and each other. "Our goal is to make Energy.gov easier to use, more transparent and more participatory," said Secretary Chu. "This next phase is part of our

452

Energy  

Science Conference Proceedings (OSTI)

Energy. Summary: Key metrologies/systems: Scanning tunneling microscopy and one- and two-photon photoemission/Model ...

2012-10-02T23:59:59.000Z

453

Energy  

Home. Site Map; Printable Version; Share this resource. About; Search; Categories (15) Advanced Materials; Biomass and Biofuels; Building Energy Efficiency ...

454

APS Long Range Operations Schedule  

NLE Websites -- All DOE Office Websites (Extended Search)

3) 3) Alternate Formats: iCal | Excel | PDF APS Long-Range Operation Schedule 2012-3 2013-1 2013-2 Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5

455

APS Long Range Operations Schedule  

NLE Websites -- All DOE Office Websites (Extended Search)

2) 2) Alternate Formats: iCal | Excel | PDF APS Long-Range Operation Schedule 2011-3 2012-1 2012-2 Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5

456

APS Long Range Operations Schedule  

NLE Websites -- All DOE Office Websites (Extended Search)

1) 1) Alternate Formats: iCal | Excel | PDF APS Long-Range Operation Schedule 2010-3 2011-1 2011-2 Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5

457

Extended-range tiltable micromirror  

DOE Patents (OSTI)

A tiltable micromirror device is disclosed in which a micromirror is suspended by a progressive linkage with an electrostatic actuator (e.g. a vertical comb actuator or a capacitive plate electrostatic actuator) being located beneath the micromirror. The progressive linkage includes a pair of torsion springs which are connected together to operate similar to a four-bar linkage with spring joints. The progressive linkage provides a non-linear spring constant which can allow the micromirror to be tilted at any angle within its range substantially free from any electrostatic instability or hysteretic behavior.

Allen, James J. (Albuquerque, NM); Wiens, Gloria J. (Newberry, FL); Bronson, Jessica R. (Gainesville, FL)

2009-05-05T23:59:59.000Z

458

STOCK DEFINITION AND GEOGRAPHIC RANGE  

E-Print Network (OSTI)

Sperm whales are found throughout the world's oceans in deep waters to the edge of the ice at both poles (Leatherwood and Reeves 1983; Rice 1989; Whitehead 2002). Sperm whales throughout the world exhibit a geographic social structure where females and juveniles of both sexes occur in mixed groups and inhabit tropical and subtropical waters. Males, as they mature, initially form bachelor groups but eventually become more socially isolated and more wide-ranging, inhabiting temperate and polar waters as well (Whitehead 2003). Sperm whales were commercially hunted in the Caribbean Sea by American whalers from sailing vessels until the early 1900s

Puerto Rico; U. S. Virgin Isl; S Stock

2010-01-01T23:59:59.000Z

459

Cover and Front Material: U.S. Department of Energy Hydrogen...  

NLE Websites -- All DOE Office Websites (Extended Search)

September 2012 Hydrogen and Fuel Cells Program May 14-18, 2012 Arlington, Virginia 2012 Annual Merit Review and Peer Evaluation Report About the Cover Photo collage (from top to...

460

Eastgate seen from the south-east, in front of Harare's glass and concrete towers  

E-Print Network (OSTI)

Eastgate seen from the south-east, in front of Harare's glass and concrete towers #12;Eastgate officesEastgate offices Level two #12;Sections showing the passive cooling system #12;Cooling the office the degree of internal cooling achieved during April 1998 #12;· The termitary model · The termitary is an i f

Behmer, Spencer T.

Note: This page contains sample records for the topic "front range energy" 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

Into the Teeth of the Gale: The Remarkable Advance of a Cold Front at Grand Manan  

Science Conference Proceedings (OSTI)

The afternoon of 30 December 1962 saw the nearly simultaneous arrival at Grand Manan (an island in the Bay of Fundy) of an intense cold front, accompanied by northwesterly gales and snow, and an intense small cyclonic vortex, producing a mild ...

Robert M. Cunningham; Frederick Sanders

1987-10-01T23:59:59.000Z

462

User-centric composition of service front-ends at the presentation layer  

Science Conference Proceedings (OSTI)

The emerge of web services in Service-Oriented Architectures (SOA) within companies or at the global internet offers new ways for the creation of web applications. Even though the composition of services via business processes are covered by existing ... Keywords: UI integration, service composition at the presentation layer, service front-ends

Tobias Nestler; Lars Dannecker; Andreas Pursche

2009-11-01T23:59:59.000Z

463

Baroclinic Eady Wave and Fronts. Part I: Viscous Semigeostrophy and the Impact of Boundary Condition  

Science Conference Proceedings (OSTI)

A two-dimensional viscous semigeostrophic model is developed to study the evolution of the baroclinic Eady wave and fronts with two types (free-slip and nonslip) of boundary conditions. With the free-slip boundary condition, the solution is very ...

Qin Xu; Wei Gu; Jidong Gao

1998-12-01T23:59:59.000Z

464

Research Aircraft Observations and Numerical Simulations of a Warm Front Approaching Vancouver Island  

Science Conference Proceedings (OSTI)

The mesoscale structure of the low-level flow and the character of the turbulence are investigated for a warm front as it approached the prominent terrain of the Pacific Northwest in the vicinity of Vancouver Island. Flight-level and airborne ...

James D. Doyle; Nicholas A. Bond

2001-05-01T23:59:59.000Z

465

On the Formation of Potential-Vorticity Anomalies in Upper-Level Jet-Front Systems  

Science Conference Proceedings (OSTI)

We review and discuss a difference in interpretation of the role of turbulence in modifying the potential-vorticity distribution in the vicinity of upper-level jet-front systems. In the late 1970s, M. A. Shapiro presented observational evidence ...

Daniel Keyser; Richard Rotunno

1990-09-01T23:59:59.000Z

466

Solar cells conversion efficiency maximisation based on sol-gel method and front surface texturisation  

Science Conference Proceedings (OSTI)

This paper presents experiments and evaluations on a new silicon solar cell structure obtained by texturisation of the front surface using silicon micromachining technologies. The textured surface of the solar cell is made in order to reduce frontal ... Keywords: light trapping, micromachining, silicon, sol-gel method, solar cells, texturisation

Lucian Milea; Orest Oltu; Claudius Teodorescu; Verona Muntean; Marius Stoian

2008-07-01T23:59:59.000Z

467

Electronic-nose for detecting environmental pollutants: signal processing and analog front-end design  

Science Conference Proceedings (OSTI)

Environmental monitoring relies on compact, portable sensor systems capable of detecting pollutants in real-time. An integrated chemical sensor array system is developed for detection and identification of environmental pollutants in diesel and gasoline ... Keywords: ADC, Analog front end, Chopper stabilization, Electronic nose, Feature extraction, Gas sensors

Hyuntae Kim; Bharatan Konnanath; Prasanna Sattigeri; Joseph Wang; Ashok Mulchandani; Nosang Myung; Marc A. Deshusses; Andreas Spanias; Bertan Bakkaloglu

2012-01-01T23:59:59.000Z

468

The Three-Dimensional Circulation near the Eastern North pacific Subtropical Front  

Science Conference Proceedings (OSTI)

The purpose of our study is to describe and compute the large-scale, three-dimensional circulation near the Subtropical Front in the eastern North Pacific along 31N. This was accomplished through the use of four extensive hydrographic surveys, ...

Pearn P. Niller; Richard W. Reynolds

1984-02-01T23:59:59.000Z

469

Some Two-Layer Models of the Shelf-Slope Front: Geostrophic Adjustment and its Maintenance  

Science Conference Proceedings (OSTI)

Two conceptual models of a two-layered frontal system are presented to study the wintertime shelf-slope front. The first model examines the geostrophic adjustment over a step topography after the fall overturning and applies only over short time ...

Hsien Wang Ou

1983-10-01T23:59:59.000Z

470

A Modeling Case Study of Heavy Rainstorms along the Mei-Yu Front  

Science Conference Proceedings (OSTI)

On 1213 June 1991, a series of convective rainstorms (defined as mesoscale precipitation systems with rainfall rates exceeding 10 mm h?1) developed successively along the Mei-Yu front. During this event, new rainstorms formed to the east of ...

Shou-Jun Chen; Ying-Hwa Kuo; Wei Wang; Zu-Yu Tao; Bo Cui

1998-09-01T23:59:59.000Z

471

A six-year climatology of fronts affecting Helsinki, Finland and their boundary layer structure  

Science Conference Proceedings (OSTI)

A six-year climatology of the frequency, characteristics, and boundary-layer structure of synoptic-scale fronts in Helsinki, Finland was created using significant weather charts and observations from a 327 m tall mast and from the Station for ...

Victoria A. Sinclair

472

Research Article: Ranking of microRNA target prediction scores by Pareto front analysis  

Science Conference Proceedings (OSTI)

Over the past ten years, a variety of microRNA target prediction methods has been developed, and many of the methods are constantly improved and adapted to recent insights into miRNA-mRNA interactions. In a typical scenario, different methods return ... Keywords: MicroRNAs, Multi-objective optimisation, Pareto front, Target mRNAs

Sudhakar Sahoo; Andreas A. Albrecht

2010-12-01T23:59:59.000Z

473

Light-Like Noncommutativity, Light-Front Quantization and New Light on UV/IR Mixing  

E-Print Network (OSTI)

We revisit the problem of quantizing field theories on noncommutative Moyal spacetime with \\emph{light-like} noncommutativity. To tackle the issues arising from noncommuting and hence nonlocal time, we argue that for this case light-front quantization procedure should be employed. In this appropriate quantization scheme we perform the non-planar loop analysis for the light-like noncommutative field theories. One of the important and peculiar features of light-front quantization is that the UV cutoff of the light-cone Hamiltonian manifests itself as an IR cutoff for the light-cone momentum, $p^+$. Due to this feature, the naive results of covariant quantization for the light-like case allude to the absence of the UV/IR mixing in the light-front quantization. However, by a careful analysis of non-planar loop integrals we show that this is not the case and the UV/IR mixing persists. In addition, we argue in favour of the perturbative unitarity of light-like noncommutative field theories in the light-front quantization scheme.

M. M. Sheikh-Jabbari; A. Tureanu

2010-10-02T23:59:59.000Z

474

Unusually Long Duration, Multiple-Doppler Radar Observations of a Front in a Convective Boundary Layer  

Science Conference Proceedings (OSTI)

Dual-Doppler observations acquired by a network of mobile radars deployed in the Oklahoma panhandle on 3 June 2002 are used to document the kinematic structure and evolution of a front. The data were collected during the International H2O Project ...

John R. Stonitsch; Paul M. Markowski

2007-01-01T23:59:59.000Z

475

Silicon Solar Cells with Front Hetero-Contact and Aluminum Alloy Back Junction: Preprint  

DOE Green Energy (OSTI)

We prototype an alternative n-type monocrystalline silicon (c-Si) solar cell structure that utilizes an n/i-type hydrogenated amorphous silicon (a-Si:H) front hetero-contact and a back p-n junction formed by alloying aluminum (Al) with the n-type Si wafer.

Yuan, H.-C.; Page, M. R.; Iwaniczko, E.; Xu, Y.; Roybal, L.; Wang, Q.; Branz, H. M.; Meier, D. L.

2008-05-01T23:59:59.000Z

476

ATJDITORY MASKING BASED ACOUSTIC FRONT-END FOR ROBUST SPEECH RECOGNITION  

E-Print Network (OSTI)

to the mismatched conditions [15]. Adding white noise to the signal results in an constant addition to the log power the effect of additive noise distortion, white Gaussian noise is added to the speech signal and speech.Paliwal@me.gu.edu.au ABSTRACT This paper presents an acoustic front-end which uses the properties of auditory masking

477

Light-front Holography - A New Approach to Relativistic Hadron Dynamics and Nonperturbative QCD  

Science Conference Proceedings (OSTI)

The holographic mapping of gravity in AdS space to QCD, quantized at fixed light-front time, provides a precise relation between the bound-state amplitudes in the fifth dimension of AdS space and the boost-invariant light-front wavefunctions describing the internal structure of hadrons in physical space-time. In particular, the elastic and transition form factors of the pion and the nucleons are well described in this framework. The light-front AdS/QCD holographic approach thus gives a frame-independent first approximation of the color-confining dynamics, spectroscopy, and excitation spectra of relativistic light-quark bound states in QCD. More generally, we show that the valence Fock-state wavefunctions of the eigensolutions of the light-front QCD Hamiltonian satisfy a single-variable relativistic equation of motion, analogous to the nonrelativistic radial Schroedinger equation, with an effective confining potential which systematically incorporates the effects of higher quark and gluon Fock states. The proposed method to compute the effective interaction thus resembles the two-particle-irreducible functional techniques used in quantum field theory.

de Teramond, Guy F.; Brodsky, Stanley J.

2012-06-20T23:59:59.000Z

478

Diabatic Effects on Late-Winter Cold Front Evolution: Conceptual and Numerical Model Evaluations  

Science Conference Proceedings (OSTI)

The impact of diabatic heating on late winter frontogenesis is evaluated both through conceptual scaling and the use of high-resolution Eta Model simulations of a strong but relatively dry cold surface front that occurred during the Storm-scale ...

William A. Gallus Jr.; Moti Segal

1999-07-01T23:59:59.000Z

479

Norwegian-Type and Cold Front AloftType Cyclones East of the Rocky Mountains  

Science Conference Proceedings (OSTI)

Conventional data and mesoscale model simulations are used to analyze two cyclones that developed east of the Rocky Mountains in June and November 1998. Both cyclones formed when a Pacific cold front overtook a lee trough/dryline east of the ...

John D. Locatelli; Ralph D. Schwartz; Mark T. Stoelinga; Peter V. Hobbs

2002-02-01T23:59:59.000Z

480

Geographic Window Sizes Applied to Remote Sensing Sea Surface Temperature Front Detection  

Science Conference Proceedings (OSTI)

The effects of using a geographic window size with an existing edge-detection technique for the detection of thermal fronts in sea surface temperature (SST) imagery are investigated. The size of a geographic window is not constant but instead is ...

Scott F. Diehl; Judith W. Budd; David Ullman; Jean-Franois Cayula

2002-07-01T23:59:59.000Z

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481

Home Energy Audits | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

February 28, 2013 February 28, 2013 The Greater Philadelphia region's historic buildings and homes are among the most significant in American history, but they predate modern energy-efficient designs by centuries. In fact, some buildings have been found to leak air at a rate 10 times that of typical buildings their size. But it takes a lot to make older buildings more energy efficient and comfortable. Expensive, up-front out-of-pocket costs for energy efficiency improvements have been a barrier to reducing Greater Philadelphia buildings' energy use in the past.

482

Energy  

Science Conference Proceedings (OSTI)

There has been a significant progress in converting solar energy using silicon technology to replace fossil fuels. However, its high cost of production has led...

483

Energy  

Efficient, Low-cost Microchannel Heat Exchanger. Return to Marketing Summary. Skip footer navigation to end of page. ... Energy Innovation Portal on Facebook;

484

Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

Energy Energy Energy Express Licensing Accelerator-Driven Transmutation Of Spent Fuel Elements Express Licensing Acid-catalyzed dehydrogenation of amine-boranes Express Licensing Air Breathing Direct Methanol Fuel Cell Express Licensing Aligned Crystalline Semiconducting Film On A Glass Substrate And Method Of Making Express Licensing Anion-Conducting Polymer, Composition, And Membrane Express Licensing Apparatus for Producing Voltage and Current Pulses Express Licensing Biaxially oriented film on flexible polymeric substrate Express Licensing Corrosion Test Cell For Bipolar Plates Express Licensing Device for hydrogen separation and method Negotiable Licensing Durable Fuel Cell Membrane Electrode Assembly (MEA) Express Licensing Energy Efficient Synthesis Of Boranes Express Licensing

485

Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

energy, including Fundamental advances in nuclear fuels Nonproliferation safeguards Reactor concepts Reactor waste disposition Animation of new reactor concept for deep space...

486

The 1990 Valentine's Day Arctic Outbreak. Part I: Mesoscale and Microscale Structure and Evolution of a Colorado Front Range Shallow Upslope Cloud  

Science Conference Proceedings (OSTI)

The mesoscale and microscale structure and evolution of a shallow, upslope cloud is described using observations obtained during the Winter Icing and Storms Project (WISP) and model stimulations. The upslope cloud formed within a shallow arctic ...

Roy M. Rasmussen; Ben C. Bernstein; Masataka Murakami; Greg Stossmeister; Jon Reisner; Boba Stankov

1995-07-01T23:59:59.000Z

487

Limits to Flood Forecasting in the Colorado Front Range for Two Summer Convection Periods using Radar Nowcasting and a Distributed Hydrologic Model  

Science Conference Proceedings (OSTI)

Flood forecasting in mountain basins remains a challenge given the difficulty in accurately predicting rainfall and in representing hydrologic processes in complex terrain. This study identifies flood predictability patterns in mountain areas ...

Hernan A. Moreno; Enrique R. Vivoni; David J. Gochis

488

Relationships between {sup 222}Rn dissolved in ground water supplies and indoor {sup 222}Rn concentrations in some Colorado front range houses  

SciTech Connect

Indoor {sup 222}Rn concentrations were measured in 37 houses with alpha track detectors placed in water-use rooms near water sources (bathrooms, laundry rooms, and kitchens) and in non-water-use living rooms, dining rooms, and bedrooms away from water sources. Results show that relative contributions of {sup 222}Rn to indoor air from water use are insignificant when soil-gas concentrations are high but become increasingly important as the ratio of {sup 222}Rn-in-water:{sup 222}Rn-in-soil gas increases. High soil-gas {sup 222}Rn concentrations may mask {sup 222}Rn contributions from water even when waterborne {sup 222}Rn concentrations are as high as 750 kBq m{sup {minus}3}. Ground water in Precambrian Pikes Peak granite averages 340 kBq m{sup {minus}3} {sup 222}Rn, vs. 170 kBq m{sup {minus}3} in Precambrian migmatite, but average {sup 222}Rn concentrations in soil gas are also lower in migmatite. Because the ratio of {sup 222}Rn-in-water:{sup 222}Rn-in-soil gas may be consistently higher for houses in migmatite than in Pikes Peak granite, indoor air in houses built on migmatite have a greater relative contribution from water use even though average {sup 222}Rn concentrations in the water are lower. Continuous monitoring of {sup 222}Rn concentrations in air on 15-min intervals also indicates that additions to indoor concentrations from water use are significant and measurable only when soil-gas concentrations are low and concentrations in water are high. When soil-gas concentrations were mitigated to less than 150 Bq m{sup {minus}3} in one house, water contributed 20-40% of the annual indoor {sup 222}Rn concentration in the laundry room ({sup 222}Rn concentration in water of 670 kBq m{sup {minus}3}). Conversely, when the mitigation system is inactive, diurnal fluctuations and other variations in the soil-gas {sup 222}Rn contribution swamp the variability due to water use in the house. 9 refs., 8 figs., 8 tabs.

Folger, P.F. [Geological Survey, Denver, CO (United States)]|[Colorado School of Mines, Golden, CO (United States); Wanty, R.B. [Geological Survey, Denver, CO (United States); Poeter, E. [Colorado School of Mines, Golden, CO (United States); Nyberg, P. [Environmental Protection Agency, Denver, CO (United States)

1994-09-01T23:59:59.000Z

489

Limits to Flood Forecasting in the Colorado Front Range for Two Summer Convection Periods Using Radar Nowcasting and a Distributed Hydrologic Model  

Science Conference Proceedings (OSTI)

Flood forecasting in mountain basins remains a challenge given the difficulty in accurately predicting rainfall and in representing hydrologic processes in complex terrain. This study identifies flood predictability patterns in mountain areas ...

Hernan A. Moreno; Enrique R. Vivoni; David J. Gochis

2013-08-01T23:59:59.000Z

490

High-Resolution Downscaled Simulations of Warm-Season Extreme Precipitation Events in the Colorado Front Range under Past and Future Climates  

Science Conference Proceedings (OSTI)

A high-resolution case-based approach for dynamically downscaling climate model data is presented. Extreme precipitation events are selected from regional climate model (RCM) simulations of past and future time periods. Each event is further ...

Kelly Mahoney; Michael Alexander; James D. Scott; Joseph Barsugli

2013-11-01T23:59:59.000Z

491

COPIES: Iron Range Legislative Delegation  

E-Print Network (OSTI)

Dear Legislators: We are pleased to present the annual report on our research regarding the health status of taconite workers and Iron Range community air quality. This report, as in the past, details the progress made by the University of Minnesota School of Public Health and the Natural Resources Research Institute (NRRI) in all research areas, including occupational exposure, mortality and incidence studies, the respiratory health survey of taconite workers and spouses and the environmental study of airborne particles. In addition, this report contains specific information regarding the assessment of mesothelioma as it pertains to exposure to mineral fibers, referred to as elongate mineral particles (EMP). For this report, the EMP measurement is a standard technique that identifies those fibers (EMP) considered long (over 5 microns). Although the research team felt this was the most important exposure to be assessed with the cases of mesothelioma, in the next several months there will be additional analyses that may provide further insight, including exposure to short EMP, silica and respirable dust. A final report is planned for the end of the year when all components are expected to be completed.

Sen Tony Lourey; Rep Tim Mahoney; Rep Sheldon Johnson; Rep David Dill; Rep Mary Murphy; Sen Tom Bakk; Rep John Persell; Rep Tom Anzelc; Sen Tom Saxhaug; Rep Carly Melin; Rep Jason Metsa

2013-01-01T23:59:59.000Z

492

The Formation and Maintenance of Density Fronts on the U.S. Southeastern Continental Shelf during Winter  

Science Conference Proceedings (OSTI)

Density fronts on the U.S. southeastern continental shelf, during winter, am formed by (i) breakdown of the shelf-break front by Gulf Stream meanders or strong southward winds or both, (ii) shoreward intrusion of upper Gulf Stream warm water by ...

Lie-Yauw Oey

1986-06-01T23:59:59.000Z

493

Mesoscale Thermohaline, Sound Velocity and Baroclinic Flow Structure of the Pacific Subtropical Front During the Winter of 1980  

Science Conference Proceedings (OSTI)

The three-dimensional thermohaline. sound velocity and baroclinic flow structure of the. pacific sub-tropical front during January and February 1990 are discussed. The front is meander-like, with a wavelength of 180 km, a wave amplitude of 55 km, ...

Gunnar I. Roden

1981-05-01T23:59:59.000Z

494

Power efficient asynchronous multiplexer for X-ray sensors in medical imaging analog front-end electronics  

Science Conference Proceedings (OSTI)

This paper presents a new power efficient asynchronous multiplexer (MUX) for application in analog front-end electronics (AFE) used in X-ray medical imaging systems. Contrary to typical synchronous MUXes that have to be controlled by a clock, this circuit ... Keywords: Analog front end, Asynchronous circuits, Medical imaging, Multiplexers, X-ray detection

Rafa? D?ugosz; Pierre-Andr Farine; Kris Iniewski

2011-01-01T23:59:59.000Z

495

ENERGY CONSUMPTION SURVEY  

U.S. Energy Information Administration (EIA) Indexed Site

5 RESIDENTIAL TRANSPORTATION 5 RESIDENTIAL TRANSPORTATION ENERGY CONSUMPTION SURVEY Prepared for: UNITED STATES DEPARTMENT OF ENERGY ENERGY INFORMATION ADMINISTRATION OFFICE OF ENERGY MARKETS AND END USE ENERGY END USE DIVISION RESIDENTIAL AND COMMERCIAL BRANCH WASHINGTON, DC 20585 Prepared by: THE ORKAND CORPORATION 8484 GEORGIA AVENUE SILVER SPRING, MD 20910 October 1986 Contract Number DE-AC01-84EI19658 TABLE OF CONTENTS FRONT MATTER Index to Program Descriptions........................................... vi List of Exhibits ....................................................... viii Acronyms and Abbreviations ............................................. ix SECTION 1: GENERAL INFORMATION ........................................ 1-1 1.1. Summary ....................................................... 1-1

496

Energy program annual report  

DOE Green Energy (OSTI)

This report presents on overview of research from Lawrence Livermore laboratories on the following topics: fossil energy; petroleum geochemistry: origin of oil and gas; methane-conversion enzymes; oil shale project; flow of granular solids; mild coal gasification; and injection-front imaging in enhanced oil recovery. Conservation and renewable energy: geothermal program and combustion technology. Nuclear waste: high-level nuclear waste disposal. hazardous waste research development.

Borg, I.Y. (ed.)

1990-07-01T23:59:59.000Z

497

Energy Blog | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

0, 2010 0, 2010 A LED light bulb is installed in one of Glendale, Ariz.'s traffic signals. | Photo courtesy of Glendale Light Shines on Better Budget for Glendale, Arizona Thanks to the EECBG Program, Glendale, Arizona has been making energy efficient upgrades and reducing costs. July 20, 2010 Eco-Driving: An Everyday Way to Reduce Our Oil Dependence Global warming and oil dependence are on the front burner for good, and for good reason. Thankfully, there is something we can all do today. July 20, 2010 Welcome to the Energy Blog Welcome to the Energy Blog. I am pleased to be the first of many voices from across the Department of Energy that you will hear from here, each of whom I trust will provide you with a unique perspective on our mission. July 19, 2010 Hybrid Solar-Wind Generates Savings for South Dakota City

498

Demonstrating Innovative Low-Cost Carbon Fiber for Energy and...  

NLE Websites -- All DOE Office Websites (Extended Search)

Innovative Low-Cost Carbon Fiber for Energy and National Security Applications Front-end creel for processing precursor in tow format In-line melt spinning for precursor...

499

Survey of Morphologies Formed in the Wake of an Enslaved Phase-Separation Front in Two Dimensions  

E-Print Network (OSTI)

A phase-separation front will leave in its wake a phase-separated morphology that differs markedly from homogeneous phase-separation morphologies. For a purely diffusive system such a front, moving with constant velocity, will generate very regular, non-equilibrium structures. We present here a numerical study of these fronts using a lattice Boltzmann method. In two dimensions these structures are regular stripes or droplet arrays. In general the kind and orientation of the selected morphology and the size of the domains depends on the speed of the front as well as the composition of the material overtaken by the phase-separation front. We present a survey of morphologies as a function of these two parameters. We show that the resulting morphologies are initial condition dependent. We then examine which of the potential morphologies is the most stable. An analytical analysis for symmetrical compositions predicts the transition point from orthogonal to parallel stripes.

E. M. Foard; A. J. Wagner

2011-03-28T23:59:59.000Z

500

Long-Range Neutron Detection  

Science Conference Proceedings (OSTI)

A neutron detector designed for detecting neutron sources at distances of 50 to 100 m has been constructed and tested. This detector has a large surface area (1 m{sup 2}) to enhance detection efficiency, and it contains a collimator and shielding to achieve direction sensitivity and reduce background. An unusual feature of the detector is that it contains no added moderator, such as polyethylene, to moderate fast neutrons before they reach the {sup 3}He detector. As a result, the detector is sensitive mainly to thermal neutrons. The moderator-free design reduces the weight of the detector, making it more portable, and it also aids in achieving directional sensitivity and background reduction. Test results show that moderated fission-neutron sources of strength about 3 x 10{sup 5} n/s can be detected at a distance out to 70 m in a counting time of 1000 s. The best angular resolution of the detector is obtained at distances of 30 m or less. As the separation .distance between the source and detector increases, the contribution of scattered neutrons to the measured signal increases with a resultant decrease in the ability to detect the direction to a distant source. Applications for which the long-range detector appears to be suitable include detecting remote neutron sources (including sources in moving vehicles) and monitoring neutron storage vaults for the intrusion of humans and the effects they make on the detected neutron signal. Also, the detector can be used to measure waste for the presence of transuranic material in the presence of high gamma-ray background. A test with a neutron source (3 x 10{sup 5} n/s) in a vehicle showed that the detector could readily measure an increase in count rate at a distance of 10 m for vehicle speeds up to 35 mph (the highest speed tested). These results. indicate that the source should be detectable at this distance at speeds up to 55 mph.

AJ Peurrung; DC Stromswold; RR Hansen; PL Reeder; DS Barnett

1999-11-24T23:59:59.000Z