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1

Alden Large Flume | Open Energy Information  

Open Energy Info (EERE)

Flume Flume Jump to: navigation, search Basic Specifications Facility Name Alden Large Flume Overseeing Organization Alden Research Laboratory, Inc Hydrodynamic Testing Facility Type Flume Length(m) 24.4 Beam(m) 6.1 Depth(m) 3.0 Water Type Freshwater Cost(per day) $5000/week Towing Capabilities Towing Capabilities Yes Maximum Velocity(m/s) 0.9 Maximum Velocity with Constriction(m/s) 3 Wavemaking Capabilities Wavemaking Capabilities Yes Maximum Wave Height(m) 0.0 Maximum Wave Height(m) at Wave Period(s) 0.0 Wave Period Range(s) 2.1 Current Velocity Range(m/s) 3.2 Programmable Wavemaking Yes Wavemaking Description Wave generators not yet designed Simulated Beach No Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating Yes Wind Capabilities Wind Capabilities Yes

2

Alden Small Flume | Open Energy Information  

Open Energy Info (EERE)

Flume Flume Jump to: navigation, search Basic Specifications Facility Name Alden Small Flume Overseeing Organization Alden Research Laboratory, Inc Hydrodynamic Testing Facility Type Flume Length(m) 17.1 Beam(m) 1.8 Depth(m) 1.8 Water Type Freshwater Cost(per day) $2500/week Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities Yes Maximum Wave Height(m) 0.2 Maximum Wave Length(m) Variable Wave Period Range(s) 0.0 Current Velocity Range(m/s) 0.0 Programmable Wavemaking Yes Wavemaking Description Period adjustable electronically, height adjustable mechanically Wave Direction Uni-Directional Simulated Beach No Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Velocity(m/s) >0.9 Recirculating No Wind Capabilities Wind Capabilities Yes

3

Property:Channel/Tunnel/Flume | Open Energy Information  

Open Energy Info (EERE)

Channel/Tunnel/Flume Channel/Tunnel/Flume Jump to: navigation, search Property Name Channel/Tunnel/Flume Property Type String Pages using the property "Channel/Tunnel/Flume" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + Yes + 10-ft Wave Flume Facility + Yes + 11-ft Wave Flume Facility + None + 2 2-ft Flume Facility + Yes + 3 3-ft Wave Flume Facility + None + 5 5-ft Wave Flume Facility + Yes + 6 6-ft Wave Flume Facility + Yes + A Alden Large Flume + Yes + Alden Small Flume + Yes + Alden Tow Tank + None + Alden Wave Basin + None + B Breakwater Research Facility + None + Bucknell Hydraulic Flume + Yes + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + Yes + Carderock 3-ft Variable Pressure Cavitation Water Tunnel + Yes +

4

Conte Large Flume | Open Energy Information  

Open Energy Info (EERE)

Conte Large Flume Conte Large Flume Overseeing Organization United States Geological Survey, LSC Hydrodynamic Testing Facility Type Flume Length(m) 38.1 Beam(m) 6.1 Depth(m) 5.2 Cost(per day) Contact POC Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Description National Instruments LabView and other data acquisition systems Number of channels 12 Bandwidth(kHz) 44 Cameras Yes Number of Color Cameras 5 Description of Camera Types Conventional underwater video, 4; high speed (1000 fps), 1 Available Sensors Displacement, Flow, Pressure Range(psi), Thermal, Turbulence, Velocity Data Generation Capability

5

Alden Tow Tank | Open Energy Information  

Open Energy Info (EERE)

Tow Tank Tow Tank Jump to: navigation, search Basic Specifications Facility Name Alden Tow Tank Overseeing Organization Alden Research Laboratory, Inc Hydrodynamic Testing Facility Type Tow Tank Length(m) 30.5 Beam(m) 1.2 Depth(m) 1.2 Water Type Freshwater Cost(per day) Depends on study Towing Capabilities Towing Capabilities Yes Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume None Wind Capabilities Wind Capabilities Yes Wind Velocity Range(m/s) Designed as needed for study objectives Other Characteristics Point measurement capability Control and Data Acquisition Description Differential pressure transducers, acoustic profiling, propeller meters, load cells, computer data acquisition systems. Number of channels Designed as needed

6

International Collaborative Tsunamis, Storm Surge, and Wave-Structure Interaction Research Opportunities Using the Oregon State Multidirectional Wave Basin and Large Wave Flume  

E-Print Network (OSTI)

Opportunities Using the Oregon State Multidirectional Wave Basin and Large Wave Flume Solomon Yim1 , Harry Yeh2 wave 0.8m high in a water depth of 1m. Its waveboards are controlled on an individual basis, making) water depth. The Wave Research Laboratory supports high resolution, large-scale experiments with dense

Yim, Solomon C.

7

Alden Wave Basin | Open Energy Information  

Open Energy Info (EERE)

Wave Basin Wave Basin Jump to: navigation, search Basic Specifications Facility Name Alden Wave Basin Overseeing Organization Alden Research Laboratory, Inc Hydrodynamic Testing Facility Type Wave Basin Length(m) 33.5 Beam(m) 21.3 Depth(m) 1.2 Water Type Freshwater Cost(per day) Depends on study Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities Yes Maximum Wave Height(m) 0.3 Maximum Wave Height(m) at Wave Period(s) 1.0 Maximum Wave Length(m) 1.8 Wave Period Range(s) 1.0 Current Velocity Range(m/s) 0.0 Programmable Wavemaking Yes Wavemaking Description Period adjustable electronically, height adjustable mechanically Wave Direction Both Simulated Beach Yes Description of Beach Designed as needed using commercially available sand/sediment

8

Property:Hydrodynamic Testing Facility Type | Open Energy Information  

Open Energy Info (EERE)

Hydrodynamic Testing Facility Type Hydrodynamic Testing Facility Type Jump to: navigation, search Property Name Hydrodynamic Testing Facility Type Property Type Page Pages using the property "Hydrodynamic Testing Facility Type" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + Flume + 10-ft Wave Flume Facility + Flume + 11-ft Wave Flume Facility + Flume + 2 2-ft Flume Facility + Flume + 3 3-ft Wave Flume Facility + Flume + 5 5-ft Wave Flume Facility + Flume + 6 6-ft Wave Flume Facility + Flume + A Alden Large Flume + Flume + Alden Small Flume + Flume + Alden Tow Tank + Tow Tank + Alden Wave Basin + Wave Basin + B Breakwater Research Facility + Wave Basin + Bucknell Hydraulic Flume + Flume + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + Tunnel +

9

Alden Research Laboratory, Inc | Open Energy Information  

Open Energy Info (EERE)

Research Laboratory, Inc Research Laboratory, Inc Jump to: navigation, search Hydro | Hydrodynamic Testing Facilities Name Alden Research Laboratory, Inc. Address 30 Shrewsbury Street Place Holden, Massachusetts Zip 01520 Sector Hydro Phone number (508) 829-6000 Website http://www.aldenlab.com Coordinates 42.3362629°, -71.8334569° 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":42.3362629,"lon":-71.8334569,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

10

Property:Water Type | Open Energy Information  

Open Energy Info (EERE)

Type Type Jump to: navigation, search Property Name Water Type Property Type String Pages using the property "Water Type" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + Freshwater + 10-ft Wave Flume Facility + Freshwater + 11-ft Wave Flume Facility + Freshwater + 2 2-ft Flume Facility + Freshwater + 3 3-ft Wave Flume Facility + Freshwater + 5 5-ft Wave Flume Facility + Freshwater + 6 6-ft Wave Flume Facility + Freshwater + A Alden Large Flume + Freshwater + Alden Small Flume + Freshwater + Alden Tow Tank + Freshwater + Alden Wave Basin + Freshwater + B Breakwater Research Facility + Freshwater + Bucknell Hydraulic Flume + Freshwater + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + Freshwater +

11

Kennedy Flume | Open Energy Information  

Open Energy Info (EERE)

Flume Flume Jump to: navigation, search Basic Specifications Facility Name Kennedy Flume Overseeing Organization University of Iowa Hydrodynamic Testing Facility Type Flume Length(m) 27.4 Beam(m) 0.9 Depth(m) 0.5 Cost(per day) Contact POC Special Physical Features Tilting flume; sedimentation recirculation capabilities; instrumentation rails; various weirs; dual pumps Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Cameras None Available Sensors Acoustics, Flow, Thermal, Turbulence, Velocity Data Generation Capability Real-Time Yes Test Services Test Services Yes On-Site fabrication capability/equipment Machine shop, carpenter shop, welding shop, instrumentation and electronics shop

12

Teaching Flume | Open Energy Information  

Open Energy Info (EERE)

Teaching Flume Teaching Flume Jump to: navigation, search Basic Specifications Facility Name Teaching Flume Overseeing Organization University of Iowa Hydrodynamic Testing Facility Type Flume Length(m) 9.1 Beam(m) 0.6 Depth(m) 0.5 Cost(per day) Contact POC Special Physical Features Tilting flume; sedimentation recirculation capabilities; instrumentation rails; various weirs Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating Yes Wind Capabilities Wind Capabilities None Control and Data Acquisition Cameras None Available Sensors Acoustics, Flow, Thermal, Turbulence, Velocity Data Generation Capability Real-Time Yes Test Services Test Services Yes On-Site fabrication capability/equipment Machine shop, carpenter shop, welding shop, instrumentation and electronics shop

13

Erosion Flume | Open Energy Information  

Open Energy Info (EERE)

Erosion Flume Erosion Flume Jump to: navigation, search Basic Specifications Facility Name Erosion Flume Overseeing Organization University of Iowa Hydrodynamic Testing Facility Type Flume Length(m) 9.1 Beam(m) 0.6 Depth(m) 0.9 Cost(per day) Contact POC Special Physical Features Tilting flume from -5 to +21% slope; erodibility of grassed boxes; dual pumps up to 50 cfs. Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Cameras None Available Sensors Acoustics, Thermal, Turbulence, Velocity Data Generation Capability Real-Time Yes Test Services Test Services Yes On-Site fabrication capability/equipment Machine shop, carpenter shop, welding shop, instrumentation and electronics shop

14

Environmental Flume | Open Energy Information  

Open Energy Info (EERE)

Environmental Flume Environmental Flume Jump to: navigation, search Basic Specifications Facility Name Environmental Flume Overseeing Organization University of Iowa Hydrodynamic Testing Facility Type Flume Length(m) 30.5 Beam(m) 3.1 Depth(m) 2.3 Cost(per day) Contact POC Special Physical Features Dual pumps up to 150 cfs; glass walls Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Cameras None Available Sensors Acoustics, Thermal, Turbulence, Velocity Data Generation Capability Real-Time Yes Test Services Test Services Yes On-Site fabrication capability/equipment Machine shop, carpenter shop, welding shop, instrumentation and electronics shop

15

Stennis Flume | Open Energy Information  

Open Energy Info (EERE)

Stennis Flume Stennis Flume Jump to: navigation, search Basic Specifications Facility Name Stennis Flume Overseeing Organization United States Geological Survey, HIF Hydrodynamic Testing Facility Type Flume Length(m) 76.2 Beam(m) 1.8 Depth(m) 0.9 Cost(per day) $1200 (+ setup charges) Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Cameras None Data Generation Capability Real-Time No Test Services Test Services Yes Utility Services Available 440/220/110 electric available On-Site fabrication capability/equipment Small machine shop Special Characteristics Special Characteristics Yes Types of Co-located facilities Live velocity Jet Tank facility with 0.6m diameter jet with maximum velocity of 2.5 m/s

16

Pilot Scale Tests Alden/Concepts NREC Turbine  

SciTech Connect

Alden Research Laboratory, Inc. has completed pilot scale testing of the new Alden/Concepts NREC turbine that was designed to minimize fish injury at hydropower projects. The test program was part of the U.S. Department of Energy's Advanced Hydropower Turbine Systems Program. The prototype turbine operating point was 1,000 cfs at 80ft head and 100 rpm. The turbine was design to: (1) limit peripheral runner speed; (2) have a high minimum pressure; (3) limit pressure change rates; (4) limit the maximum flow shear; (5) minimize the number and total length of leading blade edges; (6) maximize the distance between the runner inlet and the wicket gates and minimize clearances (i.e., gaps) between other components; and (7) maximize the size of flow passages.

Thomas C. Cook; George E.Hecker; Stephen Amaral; Philip Stacy; Fangbiao Lin; Edward Taft

2003-09-30T23:59:59.000Z

17

Pilot Scale Tests Alden/Concepts NREC Turbine  

DOE Green Energy (OSTI)

Alden Research Laboratory, Inc. has completed pilot scale testing of the new Alden/Concepts NREC turbine that was designed to minimize fish injury at hydropower projects. The test program was part of the U.S. Department of Energy's Advanced Hydropower Turbine Systems Program. The prototype turbine operating point was 1,000 cfs at 80ft head and 100 rpm. The turbine was design to: (1) limit peripheral runner speed; (2) have a high minimum pressure; (3) limit pressure change rates; (4) limit the maximum flow shear; (5) minimize the number and total length of leading blade edges; (6) maximize the distance between the runner inlet and the wicket gates and minimize clearances (i.e., gaps) between other components; and (7) maximize the size of flow passages.

Thomas C. Cook; George E.Hecker; Stephen Amaral; Philip Stacy; Fangbiao Lin; Edward Taft

2003-09-30T23:59:59.000Z

18

Scripps Flume | Open Energy Information  

Open Energy Info (EERE)

Basic Specifications Facility Name Scripps Flume Overseeing Organization University of California, San Diego (Scripps) Hydrodynamic Testing Facility Type Flume Length(m) 16.0 Beam(m) 1.1 Depth(m) 1.1 Cost(per day) Contact POC Special Physical Features Double sided glass wall test section. Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Velocity(m/s) 1.25 Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Description Data only, control system separate, pc based, Measurement Computing PCI-DAS6014 card, 16 channel, 16 bit. DAS-Wizard software. Number of channels 16 Bandwidth(kHz) .1 Hz; dependent on number of channels and computer speed

19

Name Name Address Place Zip Category Sector Telephone number Website  

Open Energy Info (EERE)

Category Sector Telephone number Website Category Sector Telephone number Website Coordinates Testing Facilities Overseen References Alden Research Laboratory Inc Alden Research Laboratory Inc Shrewsbury Street Shrewsbury Street Holden Massachusetts Category Testing Facility Operators Hydro Hydro http www aldenlab com http www aldenlab com Alden Tow Tank Alden Wave Basin Alden Small Flume Alden Large Flume Bucknell University Bucknell University Civil Mechanical Engineering Departments Hydraulic Flume Moore Avenue Dana Engineering Building Lewisburg Pennsylvania Category Testing Facility Operators Hydro http www bucknell edu x16287 xml Bucknell Hydraulic Flume Colorado State University Hydrodynamics Colorado State University Hydrodynamics Daryl B Simons Building Engineering Research Center Campus Delivery

20

Steep Gradient Flume | Open Energy Information  

Open Energy Info (EERE)

Steep Gradient Flume Steep Gradient Flume Jump to: navigation, search Basic Specifications Facility Name Steep Gradient Flume Overseeing Organization University of Iowa Hydrodynamic Testing Facility Type Flume Length(m) 20.1 Beam(m) 0.9 Depth(m) 0.5 Cost(per day) Contact POC Special Physical Features Tilting flume from -1.5 to +16% slope; <3mm sedimentation recirculation capabilities; instrumentation rails Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating Yes Wind Capabilities Wind Capabilities None Control and Data Acquisition Cameras Yes Number of Color Cameras 1 Available Sensors Acoustics, Flow, Thermal, Turbulence, Velocity Data Generation Capability Real-Time Yes

Note: This page contains sample records for the topic "alden large flume" 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

Sediment Basin Flume | Open Energy Information  

Open Energy Info (EERE)

Sediment Basin Flume Sediment Basin Flume Jump to: navigation, search Basic Specifications Facility Name Sediment Basin Flume Overseeing Organization University of Iowa Hydrodynamic Testing Facility Type Flume Length(m) 22.7 Beam(m) 5.1 Depth(m) 1.2 Cost(per day) Contact POC Special Physical Features Two pumps provide up to 18 cfs of flow capacity Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Cameras None Available Sensors Acoustics, Flow, Thermal, Turbulence, Velocity Data Generation Capability Real-Time Yes Test Services Test Services Yes On-Site fabrication capability/equipment Machine shop, carpenter shop, welding shop, instrumentation and electronics shop

22

2-ft Flume Facility | Open Energy Information  

Open Energy Info (EERE)

2-ft Flume Facility 2-ft Flume Facility Jump to: navigation, search Basic Specifications Facility Name 2-ft Flume Facility Overseeing Organization United States Army Corp of Engineers (ERDC) Hydrodynamic Testing Facility Type Flume Length(m) 61.0 Beam(m) 0.6 Depth(m) 1.8 Water Type Freshwater Cost(per day) Contact POC Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities Yes Maximum Wave Height(m) 0.6 Maximum Wave Height(m) at Wave Period(s) 10.0 Wave Period Range(s) 10.0 Current Velocity Range(m/s) 0.0 Programmable Wavemaking Yes Simulated Beach No Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Wind Capabilities Wind Capabilities None Control and Data Acquisition Description Automated data acquisition and control system Cameras None

23

Sectional Model Flume Facilities | Open Energy Information  

Open Energy Info (EERE)

Sectional Model Flume Facilities Sectional Model Flume Facilities Jump to: navigation, search Basic Specifications Facility Name Sectional Model Flume Facilities Overseeing Organization United States Army Corp of Engineers (ERDC) Hydrodynamic Testing Facility Type Flume Length(m) 21.3 Beam(m) 1.4 Depth(m) 2.4 Water Type Freshwater Cost(per day) Contact POC Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities Yes Maximum Wave Height(m) 0.0 Wave Period Range(s) 0.0 Current Velocity Range(m/s) 0.0 Programmable Wavemaking No Simulated Beach No Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Description Automated data acquisition and control system Cameras None Available Sensors Flow, Pressure Range(psi), Turbulence, Velocity, Wave Probe

24

Bucknell Hydraulic Flume | Open Energy Information  

Open Energy Info (EERE)

Hydraulic Flume Hydraulic Flume Jump to: navigation, search Basic Specifications Facility Name Bucknell Hydraulic Flume Overseeing Organization Bucknell University Hydrodynamic Testing Facility Type Flume Length(m) 9.8 Beam(m) 1.2 Depth(m) 0.6 Water Type Freshwater Cost(per day) Depends on personnel requirements Towing Capabilities Towing Capabilities Yes Maximum Velocity(m/s) 2.7 Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Velocity(m/s) 2.7 Recirculating Yes Wind Capabilities Wind Capabilities None Control and Data Acquisition Description Various sensors available on a test-by-test basis Available Sensors Flow, Velocity Data Generation Capability Real-Time No Integrated Display/Graphics Microsoft Windows based systems

25

Property:Length(m) | Open Energy Information  

Open Energy Info (EERE)

Length(m) Length(m) Jump to: navigation, search This is a property of type String, and provides a complied list of the lengths of various hydrodynamic testing facilities. Pages using the property "Length(m)" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + 45.1 + 10-ft Wave Flume Facility + 63.4 + 11-ft Wave Flume Facility + 77.4 + 2 2-ft Flume Facility + 61.0 + 3 3-ft Wave Flume Facility + 45.1 + 5 5-ft Wave Flume Facility + 63.4 + 6 6-ft Wave Flume Facility + 105.2 + A Alden Large Flume + 24.4 + Alden Small Flume + 17.1 + Alden Tow Tank + 30.5 + Alden Wave Basin + 33.5 + B Breakwater Research Facility + 121.9 + Bucknell Hydraulic Flume + 9.8 + C Carderock Circulating Water Channel + 18.3 + Carderock Large Cavitation Tunnel + 13.1 +

26

Property:Real-Time | Open Energy Information  

Open Energy Info (EERE)

Real-Time Real-Time Jump to: navigation, search Property Name Real-Time Property Type String Pages using the property "Real-Time" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + No + 10-ft Wave Flume Facility + No + 11-ft Wave Flume Facility + No + 2 2-ft Flume Facility + No + 3 3-ft Wave Flume Facility + No + 5 5-ft Wave Flume Facility + No + 6 6-ft Wave Flume Facility + No + A Alden Large Flume + Yes + Alden Small Flume + Yes + Alden Tow Tank + Yes + Alden Wave Basin + Yes + B Breakwater Research Facility + No + Bucknell Hydraulic Flume + No + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + No + Carderock 3-ft Variable Pressure Cavitation Water Tunnel + No + Carderock Circulating Water Channel + No +

27

Category:Testing Facilities | Open Energy Information  

Open Energy Info (EERE)

Facilities Facilities Jump to: navigation, search This category is defined by the form Testing Facility. Subcategories This category has only the following subcategory. H [×] Hydrodynamic Testing Facility Type‎ 9 pages Pages in category "Testing Facilities" The following 82 pages are in this category, out of 82 total. 1 1.5-ft Wave Flume Facility 10-ft Wave Flume Facility 11-ft Wave Flume Facility 2 2-ft Flume Facility 3 3-ft Wave Flume Facility 5 5-ft Wave Flume Facility 6 6-ft Wave Flume Facility A Alden Large Flume Alden Small Flume Alden Tow Tank Alden Wave Basin B Breakwater Research Facility Bucknell Hydraulic Flume C Carderock 2-ft Variable Pressure Cavitation Water Tunnel Carderock 3-ft Variable Pressure Cavitation Water Tunnel Carderock Circulating Water Channel

28

Property:Cost(per day) | Open Energy Information  

Open Energy Info (EERE)

Cost(per day) Cost(per day) Jump to: navigation, search Property Name Cost(per day) Property Type String Pages using the property "Cost(per day)" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + Contact POC + 10-ft Wave Flume Facility + Contact POC + 11-ft Wave Flume Facility + Contact POC + 2 2-ft Flume Facility + Contact POC + 3 3-ft Wave Flume Facility + Contact POC + 5 5-ft Wave Flume Facility + Contact POC + 6 6-ft Wave Flume Facility + Contact POC + A Alden Large Flume + $5000/week + Alden Small Flume + $2500/week + Alden Tow Tank + Depends on study + Alden Wave Basin + Depends on study + B Breakwater Research Facility + Contact POC + Bucknell Hydraulic Flume + Depends on personnel requirements + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + Contact POC +

29

Property:Wavemaking Capabilities | Open Energy Information  

Open Energy Info (EERE)

Wavemaking Capabilities Wavemaking Capabilities Jump to: navigation, search Property Name Wavemaking Capabilities Property Type String Pages using the property "Wavemaking Capabilities" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + Yes + 10-ft Wave Flume Facility + Yes + 11-ft Wave Flume Facility + Yes + 2 2-ft Flume Facility + Yes + 3 3-ft Wave Flume Facility + Yes + 5 5-ft Wave Flume Facility + Yes + 6 6-ft Wave Flume Facility + Yes + A Alden Large Flume + Yes + Alden Small Flume + Yes + Alden Tow Tank + None + Alden Wave Basin + Yes + B Breakwater Research Facility + Yes + Bucknell Hydraulic Flume + None + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + None + Carderock 3-ft Variable Pressure Cavitation Water Tunnel + None +

30

Property:Wind Capabilities | Open Energy Information  

Open Energy Info (EERE)

Capabilities Capabilities Jump to: navigation, search Property Name Wind Capabilities Property Type String Pages using the property "Wind Capabilities" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + None + 10-ft Wave Flume Facility + None + 11-ft Wave Flume Facility + Yes + 2 2-ft Flume Facility + None + 3 3-ft Wave Flume Facility + None + 5 5-ft Wave Flume Facility + None + 6 6-ft Wave Flume Facility + None + A Alden Large Flume + Yes + Alden Small Flume + Yes + Alden Tow Tank + Yes + Alden Wave Basin + Yes + B Breakwater Research Facility + None + Bucknell Hydraulic Flume + None + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + None + Carderock 3-ft Variable Pressure Cavitation Water Tunnel + None +

31

Property:Towing Capabilities | Open Energy Information  

Open Energy Info (EERE)

Towing Capabilities Towing Capabilities Jump to: navigation, search Property Name Towing Capabilities Property Type String Pages using the property "Towing Capabilities" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + None + 10-ft Wave Flume Facility + None + 11-ft Wave Flume Facility + None + 2 2-ft Flume Facility + None + 3 3-ft Wave Flume Facility + None + 5 5-ft Wave Flume Facility + None + 6 6-ft Wave Flume Facility + None + A Alden Large Flume + Yes + Alden Small Flume + None + Alden Tow Tank + Yes + Alden Wave Basin + None + B Breakwater Research Facility + None + Bucknell Hydraulic Flume + Yes + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + None + Carderock 3-ft Variable Pressure Cavitation Water Tunnel + None +

32

Property:Test Services | Open Energy Information  

Open Energy Info (EERE)

Services Services Jump to: navigation, search Property Name Test Services Property Type String Pages using the property "Test Services" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + Yes + 10-ft Wave Flume Facility + Yes + 11-ft Wave Flume Facility + Yes + 2 2-ft Flume Facility + Yes + 3 3-ft Wave Flume Facility + Yes + 5 5-ft Wave Flume Facility + Yes + 6 6-ft Wave Flume Facility + Yes + A Alden Large Flume + Yes + Alden Small Flume + Yes + Alden Tow Tank + Yes + Alden Wave Basin + Yes + B Breakwater Research Facility + None + Bucknell Hydraulic Flume + Yes + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + None + Carderock 3-ft Variable Pressure Cavitation Water Tunnel + None + Carderock Circulating Water Channel + None +

33

Property:Special Characteristics | Open Energy Information  

Open Energy Info (EERE)

Characteristics Characteristics Jump to: navigation, search Property Name Special Characteristics Property Type String Pages using the property "Special Characteristics" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + None + 10-ft Wave Flume Facility + None + 11-ft Wave Flume Facility + Yes + 2 2-ft Flume Facility + None + 3 3-ft Wave Flume Facility + None + 5 5-ft Wave Flume Facility + None + 6 6-ft Wave Flume Facility + Yes + A Alden Large Flume + Yes + Alden Small Flume + Yes + Alden Tow Tank + None + Alden Wave Basin + Yes + B Breakwater Research Facility + None + Bucknell Hydraulic Flume + Yes + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + None + Carderock 3-ft Variable Pressure Cavitation Water Tunnel + None +

34

Conte Small Flume | Open Energy Information  

Open Energy Info (EERE)

Small Flume Small Flume Overseeing Organization United States Geological Survey, LSC Hydrodynamic Testing Facility Type Flume Length(m) 38.1 Beam(m) 3.0 Depth(m) 5.2 Cost(per day) Contact POC Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Description National Instruments LabView and other data acquisition systems Number of channels 12 Bandwidth(kHz) 44 Cameras Yes Number of Color Cameras 5 Description of Camera Types Conventional underwater video, 4; high speed (1000 fps), 1 Available Sensors Displacement, Flow, Pressure Range(psi), Thermal, Turbulence, Velocity Data Generation Capability

35

Property:Cameras | Open Energy Information  

Open Energy Info (EERE)

Property Property Edit with form History Facebook icon Twitter icon » Property:Cameras Jump to: navigation, search Property Name Cameras Property Type Text Pages using the property "Cameras" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + None 10-ft Wave Flume Facility + None 11-ft Wave Flume Facility + None 2 2-ft Flume Facility + None 3 3-ft Wave Flume Facility + None 5 5-ft Wave Flume Facility + None 6 6-ft Wave Flume Facility + None A Alden Large Flume + Yes Alden Small Flume + Yes Alden Tow Tank + Yes Alden Wave Basin + Yes B Breakwater Research Facility + None C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + None Carderock 3-ft Variable Pressure Cavitation Water Tunnel + None Carderock Circulating Water Channel + None

36

Property:Number of Color Cameras | Open Energy Information  

Open Energy Info (EERE)

Color Cameras Color Cameras Jump to: navigation, search Property Name Number of Color Cameras Property Type Number Pages using the property "Number of Color Cameras" Showing 25 pages using this property. (previous 25) (next 25) A Alden Large Flume + 2 + Alden Small Flume + 2 + Alden Tow Tank + 2 + Alden Wave Basin + 2 + C Chase Tow Tank + 1 + Conte Large Flume + 5 + Conte Small Flume + 5 + D Davidson Laboratory Tow Tank + 2 + DeFrees Flume 1 + 5 + DeFrees Flume 2 + 5 + DeFrees Flume 3 + 5 + DeFrees Flume 4 + 5 + DeFrees Large Wave Basin + 5 + DeFrees Small Wave Basin + 5 + F Flood Fighting Research Facility + 1 + H Haynes Tow Tank + 6 + Haynes Wave Basin + 6 + Hinsdale Wave Basin 1 + 20 + Hinsdale Wave Basin 2 + 20 + M MIT Tow Tank + 1 + MMA Tugboat/ Barge/ Vessel + 1 +

37

Property:Number of channels | Open Energy Information  

Open Energy Info (EERE)

channels channels Jump to: navigation, search Property Name Number of channels Property Type String Pages using the property "Number of channels" Showing 25 pages using this property. (previous 25) (next 25) A Alden Large Flume + Designed as needed + Alden Small Flume + Designed as needed + Alden Tow Tank + Designed as needed + Alden Wave Basin + Designed as needed + C Chase Tow Tank + 8 + Conte Large Flume + 12 + Conte Small Flume + 12 + D Davidson Laboratory Tow Tank + 16 + DeFrees Flume 1 + 64+ + DeFrees Flume 2 + 64+ + DeFrees Flume 3 + 64+ + DeFrees Flume 4 + 64+ + DeFrees Large Wave Basin + 64+ + DeFrees Small Wave Basin + 64+ + H Haynes Tow Tank + 40 + Haynes Wave Basin + 40 + Hinsdale Wave Basin 1 + Up to 192 + Hinsdale Wave Basin 2 + Up to 192 +

38

Property:Utility Services Available | Open Energy Information  

Open Energy Info (EERE)

Services Available Services Available Jump to: navigation, search Property Name Utility Services Available Property Type Text Pages using the property "Utility Services Available" Showing 25 pages using this property. (previous 25) (next 25) A Alden Large Flume + 110 V to 480 V, 3 phase Alden Small Flume + 110 V to 480 V, 3 phase Alden Tow Tank + 110 V to 480 V, 3 phase Alden Wave Basin + 110 V to 480 V, 3 phase C Conte Large Flume + 110, 220, 440 VAC, compressed air Conte Small Flume + 110, 220, 440 VAC, compressed air D DeFrees Flume 1 + water, compressed air, 120, 208, 3-phase 240 VAC DeFrees Flume 2 + Water, compressed air, 120, 208, 3-phase 240 VAC DeFrees Flume 3 + Water, compressed air, 120, 208, 3-phase 240 VAC DeFrees Flume 4 + Water, compressed air, 120, 208, 3-phase 240 VAC

39

Property:Recirculating | Open Energy Information  

Open Energy Info (EERE)

Recirculating Recirculating Jump to: navigation, search Property Name Recirculating Property Type String Pages using the property "Recirculating" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + No + 10-ft Wave Flume Facility + No + 5 5-ft Wave Flume Facility + No + 6 6-ft Wave Flume Facility + No + A Alden Large Flume + Yes + Alden Small Flume + No + B Bucknell Hydraulic Flume + Yes + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + Yes + Carderock 3-ft Variable Pressure Cavitation Water Tunnel + Yes + Carderock Large Cavitation Tunnel + Yes + Carderock Subsonic Wind Tunnel + Yes + Conte Large Flume + No + Conte Small Flume + No + D DeFrees Flume 1 + No + DeFrees Flume 2 + No + DeFrees Flume 3 + No +

40

"Fish Friendly" Hydropower Turbine Development and Deployment: Alden Turbine Preliminary Engineering and Model Testing  

Science Conference Proceedings (OSTI)

This report presents the results of a collaborative research project funded by the Electric Power Research Institute (EPRI), the U.S. Department of Energy (DOE), and hydropower industry partners with the objective of completing the remaining developmental engineering required for a "fish-friendly" hydropower turbine called the Alden turbine. Earlier engineering and research that was started in 1995 and completed in 2008 established a viable conceptual design. Additional engineering completed in 2009 and ...

2011-10-07T23:59:59.000Z

Note: This page contains sample records for the topic "alden large flume" 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

Property:Programmable Wavemaking | Open Energy Information  

Open Energy Info (EERE)

Programmable Wavemaking Programmable Wavemaking Jump to: navigation, search Property Name Programmable Wavemaking Property Type String Pages using the property "Programmable Wavemaking" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + Yes + 10-ft Wave Flume Facility + Yes + 11-ft Wave Flume Facility + Yes + 2 2-ft Flume Facility + Yes + 3 3-ft Wave Flume Facility + Yes + 5 5-ft Wave Flume Facility + Yes + 6 6-ft Wave Flume Facility + Yes + A Alden Large Flume + Yes + Alden Small Flume + Yes + Alden Wave Basin + Yes + B Breakwater Research Facility + No + C Carderock Maneuvering & Seakeeping Basin + Yes + Carderock Tow Tank 2 + Yes + Carderock Tow Tank 3 + Yes + Chase Tow Tank + Yes + Coastal Harbors Modeling Facility + Yes +

42

Property:Simulated Beach | Open Energy Information  

Open Energy Info (EERE)

Simulated Beach Simulated Beach Jump to: navigation, search Property Name Simulated Beach Property Type String Pages using the property "Simulated Beach" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + No + 10-ft Wave Flume Facility + No + 11-ft Wave Flume Facility + No + 2 2-ft Flume Facility + No + 3 3-ft Wave Flume Facility + No + 5 5-ft Wave Flume Facility + No + 6 6-ft Wave Flume Facility + No + A Alden Large Flume + No + Alden Small Flume + No + Alden Wave Basin + Yes + B Breakwater Research Facility + No + C Carderock Maneuvering & Seakeeping Basin + Yes + Carderock Tow Tank 2 + Yes + Carderock Tow Tank 3 + Yes + Chase Tow Tank + No + Coastal Harbors Modeling Facility + No + Coastal Inlet Model Facility + No +

43

Property:Maximum Wave Height(m) | Open Energy Information  

Open Energy Info (EERE)

Property Property Edit with form History Facebook icon Twitter icon » Property:Maximum Wave Height(m) Jump to: navigation, search Property Name Maximum Wave Height(m) Property Type String Pages using the property "Maximum Wave Height(m)" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + 0.2 + 10-ft Wave Flume Facility + 0.5 + 11-ft Wave Flume Facility + 0.4 + 2 2-ft Flume Facility + 0.6 + 3 3-ft Wave Flume Facility + 0.2 + 5 5-ft Wave Flume Facility + 0.5 + 6 6-ft Wave Flume Facility + 0.4 + A Alden Large Flume + 0.0 + Alden Small Flume + 0.2 + Alden Wave Basin + 0.3 + B Breakwater Research Facility + 0.0 + C Carderock Maneuvering & Seakeeping Basin + 0.6 + Carderock Tow Tank 2 + 0.6 + Carderock Tow Tank 3 + 0.6 +

44

DeFrees Flume 4 | Open Energy Information  

Open Energy Info (EERE)

Flume 4 Flume 4 Jump to: navigation, search Basic Specifications Facility Name DeFrees Flume 4 Overseeing Organization Cornell University Hydrodynamics Hydrodynamic Testing Facility Type Flume Length(m) 20.0 Beam(m) 1.0 Depth(m) 1.0 Water Type Freshwater Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Velocity(m/s) 2 Recirculating No Wind Capabilities Wind Capabilities Yes Wind Velocity Range(m/s) 14.1 Other Characteristics Sufficient fetch to generate wind waves Control and Data Acquisition Description National Instruments LabView and Mathworks Matlab DAQ systems Number of channels 64+ Bandwidth(kHz) 1000 Cameras Yes Number of Color Cameras 5 Description of Camera Types 1024 x 1024 x 12 bit to 60 fps, 491 x 656 x 8-bit to 100 fps, others

45

1.5-ft Wave Flume Facility | Open Energy Information  

Open Energy Info (EERE)

-ft Wave Flume Facility -ft Wave Flume Facility Jump to: navigation, search Basic Specifications Facility Name 1.5-ft Wave Flume Facility Overseeing Organization United States Army Corp of Engineers (ERDC) Hydrodynamic Testing Facility Type Flume Length(m) 45.1 Beam(m) 0.5 Depth(m) 0.9 Water Type Freshwater Cost(per day) Contact POC Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities Yes Maximum Wave Height(m) 0.2 Maximum Wave Height(m) at Wave Period(s) 10.0 Wave Period Range(s) 10.0 Current Velocity Range(m/s) 0.0 Programmable Wavemaking Yes Simulated Beach No Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Description Automated data acquisition and control system

46

11-ft Wave Flume Facility | Open Energy Information  

Open Energy Info (EERE)

ft Wave Flume Facility ft Wave Flume Facility Jump to: navigation, search Basic Specifications Facility Name Wave Flume Facility Overseeing Organization United States Army Corp of Engineers (ERDC) Hydrodynamic Testing Facility Type Flume Length(m) 77.4 Beam(m) 3.4 Depth(m) 1.8 Water Type Freshwater Cost(per day) Contact POC Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities Yes Maximum Wave Height(m) 0.4 Maximum Wave Height(m) at Wave Period(s) 10.0 Wave Period Range(s) 10.0 Current Velocity Range(m/s) 0.0 Programmable Wavemaking Yes Simulated Beach No Channel/Tunnel/Flume Channel/Tunnel/Flume None Wind Capabilities Wind Capabilities Yes Control and Data Acquisition Description Automated data acquisition and control system Cameras None

47

10-ft Wave Flume Facility | Open Energy Information  

Open Energy Info (EERE)

ft Wave Flume Facility ft Wave Flume Facility Jump to: navigation, search Basic Specifications Facility Name 10-ft Wave Flume Facility Overseeing Organization United States Army Corp of Engineers (ERDC) Hydrodynamic Testing Facility Type Flume Length(m) 63.4 Beam(m) 3.0 Depth(m) 1.5 Water Type Freshwater Cost(per day) Contact POC Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities Yes Maximum Wave Height(m) 0.5 Maximum Wave Height(m) at Wave Period(s) 10.0 Wave Period Range(s) 0.0 Current Velocity Range(m/s) 0.0 Programmable Wavemaking Yes Simulated Beach No Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Description Automated data acquisition and control system

48

6-ft Wave Flume Facility | Open Energy Information  

Open Energy Info (EERE)

Wave Flume Facility Wave Flume Facility Jump to: navigation, search Basic Specifications Facility Name 6-ft Wave Flume Facility Overseeing Organization United States Army Corp of Engineers (ERDC) Hydrodynamic Testing Facility Type Flume Length(m) 105.2 Beam(m) 1.8 Depth(m) 1.8 Water Type Freshwater Cost(per day) Contact POC Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities Yes Maximum Wave Height(m) 0.4 Maximum Wave Height(m) at Wave Period(s) 10.0 Wave Period Range(s) 10.0 Current Velocity Range(m/s) 0.0 Programmable Wavemaking Yes Simulated Beach No Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Description Automated data acquisition and control system

49

DeFrees Flume 2 | Open Energy Information  

Open Energy Info (EERE)

DeFrees Flume 2 DeFrees Flume 2 Jump to: navigation, search Basic Specifications Facility Name DeFrees Flume 2 Overseeing Organization Cornell University Hydrodynamics Hydrodynamic Testing Facility Type Flume Length(m) 8.0 Beam(m) 0.6 Depth(m) 0.6 Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Velocity(m/s) 2 Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Description National Instruments LabView and Mathworks Matlab DAQ systems Number of channels 64+ Bandwidth(kHz) 1000 Cameras Yes Number of Color Cameras 5 Description of Camera Types 1024 x 1024 x 12 bit to 60 fps, 491 x 656 x 8-bit to 100 fps, others Available Sensors Thermal, Ultrasonic Wave Height, Displacement, Acceleration, Turbulence, Pressure Range(psi), Flow, Acoustics, Velocity

50

DeFrees Flume 1 | Open Energy Information  

Open Energy Info (EERE)

Flume 1 Flume 1 Jump to: navigation, search Basic Specifications Facility Name DeFrees Flume 1 Overseeing Organization Cornell University Hydrodynamics Hydrodynamic Testing Facility Type Flume Length(m) 4.5 Beam(m) 0.6 Depth(m) 0.6 Water Type Freshwater Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Velocity(m/s) 2 Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Description National Instruments LabView and Mathworks Matlab DAQ systems Number of channels 64+ Bandwidth(kHz) 1000 Cameras Yes Number of Color Cameras 5 Description of Camera Types 1024 x 1024 x 12 bit to 60 fps, 491 x 656 x 8-bit to 100 fps, others Available Sensors Flow, Turbulence, Ultrasonic Wave Height, Acceleration, Pressure Range(psi), Acoustics, Velocity, Displacement, Thermal

51

5-ft Wave Flume Facility | Open Energy Information  

Open Energy Info (EERE)

5-ft Wave Flume Facility 5-ft Wave Flume Facility Overseeing Organization United States Army Corp of Engineers (ERDC) Hydrodynamic Testing Facility Type Flume Length(m) 63.4 Beam(m) 1.5 Depth(m) 1.5 Water Type Freshwater Cost(per day) Contact POC Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities Yes Maximum Wave Height(m) 0.5 Maximum Wave Height(m) at Wave Period(s) 10.0 Wave Period Range(s) 10.0 Current Velocity Range(m/s) 0.0 Programmable Wavemaking Yes Simulated Beach No Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Description Automated data acquisition and control system Cameras None Available Sensors Flow, Pressure Range(psi), Turbulence, Velocity, Wave Probe

52

L-Shaped Flume Wave Basin | Open Energy Information  

Open Energy Info (EERE)

L-Shaped Flume Wave Basin L-Shaped Flume Wave Basin Jump to: navigation, search Basic Specifications Facility Name L-Shaped Flume Wave Basin Overseeing Organization United States Army Corp of Engineers (ERDC) Hydrodynamic Testing Facility Type Wave Basin Length(m) 76.2 Beam(m) 15.2 Depth(m) 1.8 Water Type Freshwater Special Physical Features Contact POC Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities Yes Maximum Wave Height(m) 0.6 Maximum Wave Height(m) at Wave Period(s) 10.0 Wave Period Range(s) 10.0 Current Velocity Range(m/s) 0.0 Programmable Wavemaking Yes Wave Direction Uni-Directional Simulated Beach No Channel/Tunnel/Flume Channel/Tunnel/Flume None Wind Capabilities Wind Capabilities None Control and Data Acquisition Description Automated data acquisition and control sys

53

3-ft Wave Flume Facility | Open Energy Information  

Open Energy Info (EERE)

3-ft Wave Flume Facility 3-ft Wave Flume Facility Overseeing Organization United States Army Corp of Engineers (ERDC) Hydrodynamic Testing Facility Type Flume Length(m) 45.1 Beam(m) 0.9 Depth(m) 0.9 Water Type Freshwater Cost(per day) Contact POC Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities Yes Maximum Wave Height(m) 0.2 Maximum Wave Height(m) at Wave Period(s) 10.0 Wave Period Range(s) 10.0 Current Velocity Range(m/s) 0.0 Programmable Wavemaking Yes Simulated Beach No Channel/Tunnel/Flume Channel/Tunnel/Flume None Wind Capabilities Wind Capabilities None Control and Data Acquisition Description Automated data acquisition and control system Cameras None Available Sensors Flow, Pressure Range(psi), Turbulence, Velocity, Wave Probe

54

Water Monitoring Flume Replaced at the Rocky Flats, Colorado, Site |  

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

Water Monitoring Flume Replaced at the Rocky Flats, Colorado, Site Water Monitoring Flume Replaced at the Rocky Flats, Colorado, Site Water Monitoring Flume Replaced at the Rocky Flats, Colorado, Site October 22, 2013 - 11:01am Addthis What does this project do? Goal 1. Protect human health and the environment In August of this year the U.S. Department of Energy (DOE) Office of Legacy Management (LM) Rocky Flats, site took advantage of an existing water diversion structure that was no longer needed, to replace an aging water monitoring flume and avoid future repairs that could interrupt data collection. The flume for Rocky Flats Legacy Management Agreement (RFLMA) Point of Evaluation (POE) monitoring location GS10 in South Walnut Creek was located at the bottom of fairly steep channel banks. The bank on the south side shows localized slumping and sliding toward the creek and GS10. Although

55

Adjustable shear stress erosion and transport flume  

DOE Patents (OSTI)

A method and apparatus for measuring the total erosion rate and downstream transport of suspended and bedload sediments using an adjustable shear stress erosion and transport (ASSET) flume with a variable-depth sediment core sample. Water is forced past a variable-depth sediment core sample in a closed channel, eroding sediments, and introducing suspended and bedload sediments into the flow stream. The core sample is continuously pushed into the flow stream, while keeping the surface level with the bottom of the channel. Eroded bedload sediments are transported downstream and then gravitationally separated from the flow stream into one or more quiescent traps. The captured bedload sediments (particles and aggregates) are weighed and compared to the total mass of sediment eroded, and also to the concentration of sediments suspended in the flow stream.

Roberts, Jesse D. (Carlsbad, NM); Jepsen, Richard A. (Carlsbad, NM)

2002-01-01T23:59:59.000Z

56

Property:Integrated Display/Graphics | Open Energy Information  

Open Energy Info (EERE)

Display/Graphics Display/Graphics Jump to: navigation, search Property Name Integrated Display/Graphics Property Type Text Pages using the property "Integrated Display/Graphics" Showing 22 pages using this property. A Alden Large Flume + Lab View, Test Point Alden Small Flume + Lab View, Test Point Alden Tow Tank + Lab View, Test Point Alden Wave Basin + Lab View, Test Point B Bucknell Hydraulic Flume + Microsoft Windows based systems C Conte Large Flume + Conventional PC and video displays; TecPlot Conte Small Flume + Conventional PC and video displays; TecPlot D Davidson Laboratory Tow Tank + Standard PC-based tools H Haynes Tow Tank + National Instruments LabView Haynes Wave Basin + National Instruments LabView Hinsdale Wave Basin 1 + Remote telepresence and experiment participation as part of George E. Brown Jr. Network for Earthquake Engineering Simulation (NEES)

57

Property:Testing Facilities Overseen | Open Energy Information  

Open Energy Info (EERE)

Testing Facilities Overseen Testing Facilities Overseen Jump to: navigation, search This is a property of type Page and uses the Testing Facility form Pages using the property "Testing Facilities Overseen" Showing 25 pages using this property. A Alden Research Laboratory, Inc + Alden Tow Tank +, Alden Wave Basin +, Alden Small Flume +, ... B Bucknell University + Bucknell Hydraulic Flume + C Cornell University Hydrodynamics + DeFrees Flume 1 +, DeFrees Flume 2 +, DeFrees Flume 3 +, ... M Massachusetts Institute of Technology Hydrodynamics + MIT Tow Tank + O Ohmsett + Ohmsett Tow Tank + Oregon State University Hydrodynamics + Hinsdale Wave Basin 1 +, Hinsdale Wave Basin 2 + P Pennsylvania State University Hydrodynamics + Penn Reverberant Tank +, Penn Small Water Tunnel +, Penn Large Water Tunnel +

58

DeFrees Flume 3 | Open Energy Information  

Open Energy Info (EERE)

Basic Specifications Basic Specifications Facility Name DeFrees Flume 3 Overseeing Organization Cornell University Hydrodynamics Hydrodynamic Testing Facility Type Flume Length(m) 15.0 Beam(m) 2.0 Depth(m) 0.6 Water Type Freshwater Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Velocity(m/s) 2 Recirculating No Wind Capabilities Wind Capabilities None Control and Data Acquisition Description National Instruments LabView and Mathworks Matlab DAQ systems Number of channels 64+ Cameras Yes Number of Color Cameras 5 Description of Camera Types 1024 x 1024 x 12 bit to 60 fps, 491 x 656 x 8-bit to 100 fps, others Available Sensors Acceleration, Acoustics, Pressure Range(psi), Velocity, Displacement, Turbulence, Flow, Ultrasonic Wave Height, Thermal

59

Program on Technology Innovation: Redesign of the Alden/Concepts NREC Helical Turbine for Increased Power Density and Fish Survival  

Science Conference Proceedings (OSTI)

A pilot version of the Alden / Concepts NREC hydroturbine successfully reduced fish mortality, but did not produce enough power to be commercially competitive. This report describes the development of a new design for the scroll case of the turbine that doubles the flow without increasing the footprint of the scroll case. Increasing the flow through the turbine increases the power that may be extracted by the runner.

2007-03-29T23:59:59.000Z

60

Property:On-Site fabrication capability/equipment | Open Energy Information  

Open Energy Info (EERE)

On-Site fabrication capability/equipment On-Site fabrication capability/equipment Jump to: navigation, search Property Name On-Site fabrication capability/equipment Property Type Text Pages using the property "On-Site fabrication capability/equipment" Showing 25 pages using this property. (previous 25) (next 25) A Alden Large Flume + Full on-site carpentry, machine, and instrumentation shops Alden Small Flume + Full on-site carpentry, machine, and instrumentation shops Alden Tow Tank + Full on-site carpentry, machine, and instrumentation shops Alden Wave Basin + Full on-site carpentry, machine, and instrumentation shops C Chase Tow Tank + There is a machine shop in the Laboratory Conte Large Flume + Full carpentry shop with welding and machining capabilities Conte Small Flume + Full carpentry shop with welding and machining capabilities

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


61

Property:Overseeing Organization | Open Energy Information  

Open Energy Info (EERE)

Overseeing Organization Overseeing Organization Jump to: navigation, search Property Name Overseeing Organization Property Type Page Pages using the property "Overseeing Organization" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + United States Army Corp of Engineers (ERDC) + 10-ft Wave Flume Facility + United States Army Corp of Engineers (ERDC) + 11-ft Wave Flume Facility + United States Army Corp of Engineers (ERDC) + 2 2-ft Flume Facility + United States Army Corp of Engineers (ERDC) + 3 3-ft Wave Flume Facility + United States Army Corp of Engineers (ERDC) + 5 5-ft Wave Flume Facility + United States Army Corp of Engineers (ERDC) + 6 6-ft Wave Flume Facility + United States Army Corp of Engineers (ERDC) + A Alden Large Flume + Alden Research Laboratory, Inc +

62

Property:Beam(m) | Open Energy Information  

Open Energy Info (EERE)

Beam(m) Beam(m) Jump to: navigation, search This is a property of type String. Pages using the property "Beam(m)" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + 0.5 + 10-ft Wave Flume Facility + 3.0 + 11-ft Wave Flume Facility + 3.4 + 2 2-ft Flume Facility + 0.6 + 3 3-ft Wave Flume Facility + 0.9 + 5 5-ft Wave Flume Facility + 1.5 + 6 6-ft Wave Flume Facility + 1.8 + A Alden Large Flume + 6.1 + Alden Small Flume + 1.8 + Alden Tow Tank + 1.2 + Alden Wave Basin + 21.3 + B Breakwater Research Facility + 55.5 + Bucknell Hydraulic Flume + 1.2 + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + 0.6 + Carderock 3-ft Variable Pressure Cavitation Water Tunnel + 0.7 + Carderock Circulating Water Channel + 6.7 +

63

Property:Depth(m) | Open Energy Information  

Open Energy Info (EERE)

Depth(m) Depth(m) Jump to: navigation, search This is a property of type String. Pages using the property "Depth(m)" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + 0.9 + 10-ft Wave Flume Facility + 1.5 + 11-ft Wave Flume Facility + 1.8 + 2 2-ft Flume Facility + 1.8 + 3 3-ft Wave Flume Facility + 0.9 + 5 5-ft Wave Flume Facility + 1.5 + 6 6-ft Wave Flume Facility + 1.8 + A Alden Large Flume + 3.0 + Alden Small Flume + 1.8 + Alden Tow Tank + 1.2 + Alden Wave Basin + 1.2 + B Breakwater Research Facility + 0.8 + Bucknell Hydraulic Flume + 0.6 + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + 0.6 + Carderock 3-ft Variable Pressure Cavitation Water Tunnel + 0.7 + Carderock Circulating Water Channel + 2.7 +

64

Gravity surface wave turbulence in a laboratory flume  

E-Print Network (OSTI)

We present experimental results for water wave turbulence excited by piston-like programmed wavemakers in a water flume with horisontal dimensions 6x12x1.5 meters. Our main finding is that for a wide range of excitation amplitudes the energy spectrum has a power-law scaling, $E_\\omega \\sim \\omega^{-\

Petr Denissenko; Sergei Lukaschuk; Sergey Nazarenko

2006-10-08T23:59:59.000Z

65

Environmental Effects of Hydrokinetic Turbines on Fish: Desktop and Laboratory Flume Studies  

DOE Green Energy (OSTI)

Flume studies exposed fish to two hydrokinetic turbine designs to determine injury and survival rates and to assess behavioral responses. Also, a theoretical model developed for predicting strike probability and mortality of fish passing through conventional hydro turbines was adapted for use with hydrokinetic turbines and applied to the two designs evaluated during flume studies. The flume tests were conducted with the Lucid spherical turbine (LST), a Darrieus-type (cross flow) turbine, and the Welka UPG, an axial flow propeller turbine. Survival rates for rainbow trout tested with the LST were greater than 98% for both size groups and approach velocities evaluated. Turbine passage survival rates for rainbow trout and largemouth bass tested with the Welka UPG were greater than 99% for both size groups and velocities evaluated. Injury rates of turbine-exposed fish were low with both turbines and generally comparable to control fish. Video observations of the LST demonstrated active avoidance of turbine passage by a large proportion fish despite being released about 25 cm upstream of the turbine blade sweep. Video observations from behavior trials indicated few if any fish pass through the turbines when released farther upstream. The theoretical predictions for the LST indicated that strike mortality would begin to occur at an ambient current velocity of about 1.7 m/s for fish with lengths greater than the thickness of the leading edge of the blades. As current velocities increase above 1.7 m/s, survival was predicted to decrease for fish passing through the LST, but generally remained high (greater than 90%) for fish less than 200 mm in length. Strike mortality was not predicted to occur duri

Jacobson, Paul T. [Electric Power Research Institute; Amaral, Stephen V. [Alden Research Laboratory; Castro-Santos, Theodore [U.S. Geological Survey; Giza, Dan [Alden Research Laboratory; Haro, Alexander J. [U.S. Geological Survey; Hecker, George [Alden Research Laboratory; McMahon, Brian [Alden Research Laboratory; Perkins, Norman [Alden Research Laboratory; Pioppi, Nick [Alden Research Laboratory

2012-12-31T23:59:59.000Z

66

Environmental Effects of Hydrokinetic Turbines on Fish: Desktop and Laboratory Flume Studies  

SciTech Connect

This collection of three reports describes desktop and laboratory flume studies that provide information to support assessment of the potential for injury and mortality of fish that encounter hydrokinetic turbines of various designs installed in tidal and river environments. Behavioral responses to turbine exposure also are investigated to support assessment of the potential for disruptions to upstream and downstream movements of fish. The studies: (1) conducted an assessment of potential injury mechanisms using available data from studies with conventional hydro turbines; (2) developed theoretical models for predicting blade strike probabilities and mortality rates; and (3) performed flume testing with three turbine designs and several fish species and size groups in two laboratory flumes to estimate survival rates and document fish behavior. The project yielded three reports which this document comprises. The three constituent documents are addressed individually below Fish Passage Through Turbines: Application of Conventional Hydropower Data to Hydrokinetic Technologies Fish passing through the blade sweep of a hydrokinetic turbine experience a much less harsh physical environment than do fish entrained through conventional hydro turbines. The design and operation of conventional turbines results in high flow velocities, abrupt changes in flow direction, relatively high runner rotational and blade speeds, rapid and significant changes in pressure, and the need for various structures throughout the turbine passageway that can be impacted by fish. These conditions generally do not occur or are not significant factors for hydrokinetic turbines. Furthermore, compared to conventional hydro turbines, hydrokinetic turbines typically produce relatively minor changes in shear, turbulence, and pressure levels from ambient conditions in the surrounding environment. Injuries and mortality from mechanical injuries will be less as well, mainly due to low rotational speeds and strike velocities, and an absence of structures that can lead to grinding or abrasion injuries. Additional information is needed to rigorously assess the nature and magnitude of effects on individuals and populations, and to refine criteria for design of more fish-friendly hydrokinetic turbines. Evaluation of Fish Injury and Mortality Associated with Hydrokinetic Turbines Flume studies exposed fish to two hydrokinetic turbine designs to determine injury and survival rates and to assess behavioral responses. Also, a theoretical model developed for predicting strike probability and mortality of fish passing through conventional hydro turbines was adapted for use with hydrokinetic turbines and applied to the two designs evaluated during flume studies. The flume tests were conducted with the Lucid spherical turbine (LST), a Darrieus-type (cross flow) turbine, and the Welka UPG, an axial flow propeller turbine. Survival rates for rainbow trout tested with the LST were greater than 98% for both size groups and approach velocities evaluated. Turbine passage survival rates for rainbow trout and largemouth bass tested with the Welka UPG were greater than 99% for both size groups and velocities evaluated. Injury rates of turbine-exposed fish were low with both turbines and generally comparable to control fish. Video observations of the LST demonstrated active avoidance of turbine passage by a large proportion fish despite being released about 25 cm upstream of the turbine blade sweep. Video observations from behavior trials indicated few if any fish pass through the turbines when released farther upstream. The theoretical predictions for the LST indicated that strike mortality would begin to occur at an ambient current velocity of about 1.7 m/s for fish with lengths greater than the thickness of the leading edge of the blades. As current velocities increase above 1.7 m/s, survival was predicted to decrease for fish passing through the LST, but generally remained high (greater than 90%) for fish less than 200 mm in length. Strike mortality was not predicted to occur duri

Jacobson, Paul T. [Electric Power Research Institute; Amaral, Stephen V. [Alden Research Laboratory; Castro-Santos, Theodore [U.S. Geological Survey; Giza, Dan [Alden Research Laboratory; Haro, Alexander J. [U.S. Geological Survey; Hecker, George [Alden Research Laboratory; McMahon, Brian [Alden Research Laboratory; Perkins, Norman [Alden Research Laboratory; Pioppi, Nick [Alden Research Laboratory

2012-12-31T23:59:59.000Z

67

Fish-Friendly Hydropower Turbine Development & Deployment: Alden Turbine Preliminary Engineering and Model Testing  

SciTech Connect

The Alden turbine was developed through the U.S. Department of Energy's (DOE's) former Advanced Hydro Turbine Systems Program (1994-2006) and, more recently, through the Electric Power Research Institute (EPRI) and the DOE's Wind & Water Power Program. The primary goal of the engineering study described here was to provide a commercially competitive turbine design that would yield fish passage survival rates comparable to or better than the survival rates of bypassing or spilling flow. Although the turbine design was performed for site conditions corresponding to 92 ft (28 m) net head and a discharge of 1500 cfs (42.5 cms), the design can be modified for additional sites with differing operating conditions. During the turbine development, design modifications were identified for the spiral case, distributor (stay vanes and wicket gates), runner, and draft tube to improve turbine performance while maintaining features for high fish passage survival. Computational results for pressure change rates and shear within the runner passage were similar in the original and final turbine geometries, while predicted minimum pressures were higher for the final turbine. The final turbine geometry and resulting flow environments are expected to further enhance the fish passage characteristics of the turbine. Computational results for the final design were shown to improve turbine efficiencies by over 6% at the selected operating condition when compared to the original concept. Prior to the release of the hydraulic components for model fabrication, finite element analysis calculations were conducted for the stay vanes, wicket gates, and runner to verify that structural design criteria for stress and deflections were met. A physical model of the turbine was manufactured and tested with data collected for power and efficiency, cavitation limits, runaway speed, axial and radial thrust, pressure pulsations, and wicket gate torque. All parameters were observed to fall within ranges expected for conventional radial flow machines. Based on these measurements, the expected efficiency peak for prototype application is 93.64%. These data were used in the final sizing of the supporting mechanical and balance of plant equipment. The preliminary equipment cost for the design specification is $1450/kW with a total supply schedule of 28 months. This equipment supply includes turbine, generator, unit controls, limited balance of plant equipment, field installation, and commissioning. Based on the selected head and flow design conditions, fish passage survival through the final turbine is estimated to be approximately 98% for 7.9-inch (200-mm) fish, and the predicted survival reaches 100% for fish 3.9 inches (100 mm) and less in length. Note that fish up to 7.9- inches (200 mm) in length make up more than 90% of fish entrained at hydro projects in the United States. Completion of these efforts provides a mechanical and electrical design that can be readily adapted to site-specific conditions with additional engineering development comparable to costs associated with conventional turbine designs.

None

2011-10-01T23:59:59.000Z

68

Property:Wavemaking Description | Open Energy Information  

Open Energy Info (EERE)

Description Description Jump to: navigation, search Property Name Wavemaking Description Property Type Text Pages using the property "Wavemaking Description" Showing 25 pages using this property. (previous 25) (next 25) A Alden Large Flume + Wave generators not yet designed Alden Small Flume + Period adjustable electronically, height adjustable mechanically Alden Wave Basin + Period adjustable electronically, height adjustable mechanically C Carderock Maneuvering & Seakeeping Basin + Irregular waves with a spectrum resembling typical ocean wave patterns with appropriate scale reductions. Carderock Tow Tank 2 + Irregular waves with a spectrum resembling typical ocean wave patterns with appropriate scale reductions Carderock Tow Tank 3 + Irregular waves with a spectrum resembling typical ocean wave patterns with appropriate scale reductions.

69

Property:Description of Camera Types | Open Energy Information  

Open Energy Info (EERE)

Camera Types Camera Types Jump to: navigation, search Property Name Description of Camera Types Property Type Text Pages using the property "Description of Camera Types" Showing 25 pages using this property. (previous 25) (next 25) A Alden Large Flume + fully-submersible; multiplexor for four cameras; digital recording from all cameras; digital handheld Alden Small Flume + fully-submersible; multiplexor for four cameras; digital recording from all cameras; digital handheld Alden Tow Tank + Fully-submersible; multiplexor for four cameras; digital recording from all cameras; digital handheld Alden Wave Basin + Fully-submersible; multiplexor for four cameras; digital recording from all cameras; digital handheld C Conte Large Flume + Conventional underwater video, 4; high speed (1000 fps), 1

70

Property:Other Characteristics | Open Energy Information  

Open Energy Info (EERE)

Characteristics Characteristics Jump to: navigation, search Property Name Other Characteristics Property Type String Pages using the property "Other Characteristics" Showing 8 pages using this property. A Alden Large Flume + Point measurement capability + Alden Small Flume + Point measurement capability + Alden Tow Tank + Point measurement capability + Alden Wave Basin + Point measurement capability + D DeFrees Flume 4 + Sufficient fetch to generate wind waves + H Haynes Wave Basin + Two individual fans placed as appropriate + O OTRC Wave Basin + Bank of 16 fans with variable speed control for low frequency gustiness. + S Ship Towing Tank + Wind is provided from a special moving carriage + Retrieved from "http://en.openei.org/w/index.php?title=Property:Other_Characteristics&oldid=597949

71

Property:Types of Co-located facilities | Open Energy Information  

Open Energy Info (EERE)

Types of Co-located facilities Types of Co-located facilities Jump to: navigation, search Property Name Types of Co-located facilities Property Type Text Pages using the property "Types of Co-located facilities" Showing 25 pages using this property. (previous 25) (next 25) A Alden Large Flume + Co-located fish holding facility is ideal for evaluating the impacts of generation devices on fish Alden Small Flume + Co-located fish holding facility is ideal for evaluating the impacts of generation devices on fish. B Bucknell Hydraulic Flume + Sediment-recirculating flume, 40-ft by 10-ft wide, exploration of sediment transport/deposition and river morphology impact. C Conte Large Flume + Physiology, ecology, behavior laboratories Conte Small Flume + Physiology, ecology, behavior laboratories

72

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 +

73

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 +

74

Property:Description | Open Energy Information  

Open Energy Info (EERE)

This is a property of type Text. This is a property of type Text. Pages using the property "Description" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + Automated data acquisition and control system 10-ft Wave Flume Facility + Automated data acquisition and control system 11-ft Wave Flume Facility + Automated data acquisition and control system 2 2-ft Flume Facility + Automated data acquisition and control system 3 3-ft Wave Flume Facility + Automated data acquisition and control system 5 5-ft Wave Flume Facility + Automated data acquisition and control system 6 6-ft Wave Flume Facility + Automated data acquisition and control system A Alden Large Flume + Differential pressure transducers, acoustic profiling, propeller meters, load cells, computer data acquisition systems.

75

Property:Available Sensors | Open Energy Information  

Open Energy Info (EERE)

Sensors Sensors Jump to: navigation, search Property Name Available Sensors Property Type Text Pages using the property "Available Sensors" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + Flow, Pressure Range(psi), Turbulence, ... 10-ft Wave Flume Facility + Flow, Pressure Range(psi), Turbulence, ... 11-ft Wave Flume Facility + Flow, Pressure Range(psi), Turbulence, ... 2 2-ft Flume Facility + Flow, Pressure Range(psi), Turbulence, ... 3 3-ft Wave Flume Facility + Flow, Pressure Range(psi), Turbulence, ... 5 5-ft Wave Flume Facility + Flow, Pressure Range(psi), Turbulence, ... 6 6-ft Wave Flume Facility + Flow, Pressure Range(psi), Turbulence, ... A Alden Large Flume + Pressure Range(psi), Velocity, Displacement, ...

76

Property:Data Comparison to Computational Models | Open Energy Information  

Open Energy Info (EERE)

Comparison to Computational Models Comparison to Computational Models Jump to: navigation, search Property Name Data Comparison to Computational Models Property Type Text Pages using the property "Data Comparison to Computational Models" Showing 14 pages using this property. A Alden Large Flume + Designed as needed Alden Small Flume + Designed as needed Alden Tow Tank + Velocity, flow characteristics Alden Wave Basin + Wave height, period, length, velocity D Davidson Laboratory Tow Tank + Comparisons to validate and improve CFD models are made periodically. M MHL Free Surface Channel + Custom MHL Data Acquisition System includes graphical displays for the results of each sampling channel. MHL Tow Tank + Custom MHL Data Acquisition System includes graphical displays for the results of each sampling channel.

77

Channel responses to varying sediment input: A flume experiment modeled after Redwood Creek, California  

E-Print Network (OSTI)

of channel morphology, slope, and armoring in a gravel-bed channel. Under moderate sediment increases was evacuated from the flume and the bed became armored. Under high sediment feed, channel bed elevation, the channel became armored and channel incision ceased before all excess sediment was removed. Selective

78

Property:Specializations, Capabilities, and Key Facility Attributes Not  

Open Energy Info (EERE)

Property Property Edit with form History Facebook icon Twitter icon » Property:Specializations, Capabilities, and Key Facility Attributes Not Covered Elsewhere Jump to: navigation, search Property Name Specializations, Capabilities, and Key Facility Attributes Not Covered Elsewhere Property Type Text Pages using the property "Specializations, Capabilities, and Key Facility Attributes Not Covered Elsewhere" Showing 25 pages using this property. 1 11-ft Wave Flume Facility + Glass window 6 6-ft Wave Flume Facility + Glass window A Alden Large Flume + This is a recirculating flume facility, so a constant velocity can be maintained indefinitely. This allows collection of a much greater amount of data than possible in tow tanks. Alden's biologists are highly experienced in assessing the impacts of generation devices on fish and the facilities allow for accurate testing with fish in a highly controlled environment.

79

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

Open Energy Info (EERE)

Velocity(m/s) Velocity(m/s) Jump to: navigation, search Property Name Velocity(m/s) Property Type String Pages using the property "Velocity(m/s)" Showing 21 pages using this property. A Alden Small Flume + >0.9 + B Bucknell Hydraulic Flume + 2.7 + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + 17 + Carderock 3-ft Variable Pressure Cavitation Water Tunnel + 25.8 + Carderock Circulating Water Channel + 5.2 + Carderock Large Cavitation Tunnel + 18 + Carderock Subsonic Wind Tunnel + 83.8 + D DeFrees Flume 1 + 2 + DeFrees Flume 2 + 2 + DeFrees Flume 3 + 2 + DeFrees Flume 4 + 2 + M MHL Free Surface Channel + 2 + MHL High Speed Cavitation + 25.9 + MHL Student Tunnel + 4.6 + P Penn Large Water Tunnel + 16.8 + Penn Small Water Tunnel + 21 + S SAFL Channel + 6.1 +

80

Property:Maximum Wave Height(m) at Wave Period(s) | Open Energy Information  

Open Energy Info (EERE)

Wave Height(m) at Wave Period(s) Wave Height(m) at Wave Period(s) Jump to: navigation, search Property Name Maximum Wave Height(m) at Wave Period(s) Property Type String Pages using the property "Maximum Wave Height(m) at Wave Period(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 + 10.0 + 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 + 0.0 + Alden Wave Basin + 1.0 + C Chase Tow Tank + 3.1 + Coastal Harbors Modeling Facility + 2.3 + Coastal Inlet Model Facility + 2.3 + D Davidson Laboratory Tow Tank + 4.0 + DeFrees Large Wave Basin + 3.0 + DeFrees Small Wave Basin + 3.0 +

Note: This page contains sample records for the topic "alden large flume" 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

Penn Large Water Tunnel | Open Energy Information  

Open Energy Info (EERE)

Penn Large Water Tunnel Penn Large Water Tunnel Jump to: navigation, search Basic Specifications Facility Name Penn Large Water Tunnel Overseeing Organization Pennsylvania State University Hydrodynamics Hydrodynamic Testing Facility Type Tunnel Length(m) 4.3 Beam(m) 1.2 Depth(m) 1.2 Water Type Freshwater Cost(per day) Contact POC Special Physical Features Closed loop; Turbulence level = 0.1%; Pressure range = 3-60psi; Controlled cavitation = # >0.1; Control Air content = >1ppm per mole Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Channel/Tunnel/Flume Yes Velocity(m/s) 16.8 Recirculating Yes Pressure Range(Psi) 3 - 60 Wind Capabilities Wind Capabilities None Control and Data Acquisition Description National Instruments steady 24 bit

82

ALDEN HULL .. ... .. .. Editor JANE PIER . . . Business Manager  

E-Print Network (OSTI)

Directed by Richard Sullivan Lee Nancy T. Hansen Theatre iphigenia and other Daughters by Ellen mcLaughlin Schmidli James Keller Andrew Martin Kate Keller Colette Pfeiffer Helen Keller Anastasia Spalding Aunt Ev for making this place a home. She would especially like to thank Anastasia for taking this amazing trip

O'Laughlin, Jay

83

Property:Wave Direction | Open Energy Information  

Open Energy Info (EERE)

Direction Direction Jump to: navigation, search Property Name Wave Direction Property Type String Pages using the property "Wave Direction" Showing 25 pages using this property. (previous 25) (next 25) A Alden Small Flume + Uni-Directional + Alden Wave Basin + Both + C Carderock Maneuvering & Seakeeping Basin + Both + Carderock Tow Tank 2 + Uni-Directional + Carderock Tow Tank 3 + Uni-Directional + Chase Tow Tank + Uni-Directional + Coastal Harbors Modeling Facility + Uni-Directional + Coastal Inlet Model Facility + Uni-Directional + Coastal Structures Modeling Complex + Both + D Davidson Laboratory Tow Tank + Uni-Directional + DeFrees Large Wave Basin + Uni-Directional + DeFrees Small Wave Basin + Uni-Directional + H Haynes Wave Basin + Both +

84

Carderock Large Cavitation Tunnel | Open Energy Information  

Open Energy Info (EERE)

Large Cavitation Tunnel Large Cavitation Tunnel Jump to: navigation, search Basic Specifications Facility Name Carderock Large Cavitation Tunnel Overseeing Organization United States Naval Surface Warfare Center Hydrodynamic Testing Facility Type Tunnel Length(m) 13.1 Beam(m) 3.0 Depth(m) 3.0 Water Type Freshwater Cost(per day) Contact POC Special Physical Features The Large Cavitation Channel was designed as a variable pressure, recirculating, cavitation tunnel with a very low acoustic background level; test section pressure: 3.5-414 kPa (0.03 to 4 atmospheres, 0.5 to 60 psia); air content: 10% to 100% saturation Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities None Channel/Tunnel/Flume Velocity(m/s) 18 Recirculating Yes Wind Capabilities

85

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

Open Energy Info (EERE)

Velocity(m/s) Velocity(m/s) Jump to: navigation, search Property Name Maximum Velocity(m/s) Property Type String Pages using the property "Maximum Velocity(m/s)" Showing 25 pages using this property. (previous 25) (next 25) A Alden Large Flume + 0.9 + B Bucknell Hydraulic Flume + 2.7 + C Carderock Maneuvering & Seakeeping Basin + 7.2 + Carderock Rotating Arm Tow Tank + 25.8 + Carderock Tow Tank 1 + 9.3 + Carderock Tow Tank 2 + 10.3 + Carderock Tow Tank 3 + 25.8 + Chase Tow Tank + 2.5 + D Davidson Laboratory Tow Tank + 18.3 + H Haynes Tow Tank + 1.8 + I Ice Towing Tank + 0.5 + L Lakefront Tow Tank + 2.7 + M MHL Free Surface Channel + 2 + MHL High Speed Cavitation + 25.9 + MHL Tow Tank + 6.7 + MIT Tow Tank + 1.5 + MMA Tugboat/ Barge/ Vessel + 5.1 + Maine Tow Tank + 3 +

86

C:\\My Documents\\My Files2\\RYON\\ALDEN REPORT\\Alden__2004_ss_final...  

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

88 Further Tests of Changes in Fish Escape Behavior Resulting from Sublethal Stresses Associated with Hydroelectric Turbine Passage April 2004 Prepared by Michael G. Ryon Glenn F....

87

Property:Maximum Wave Length(m) | Open Energy Information  

Open Energy Info (EERE)

Wave Length(m) Wave Length(m) Jump to: navigation, search Property Name Maximum Wave Length(m) Property Type String Pages using the property "Maximum Wave Length(m)" Showing 18 pages using this property. A Alden Small Flume + Variable + Alden Wave Basin + 1.8 + C Carderock Maneuvering & Seakeeping Basin + 12.2 + Carderock Tow Tank 2 + 12.2 + Carderock Tow Tank 3 + 12.2 + D Davidson Laboratory Tow Tank + 15.2 + DeFrees Large Wave Basin + 64 + DeFrees Small Wave Basin + 30 + H Haynes Wave Basin + 10.7 + L Lakefront Tow Tank + 22 + M MIT Tow Tank + 4.6 + O OTRC Wave Basin + 25 + Ohmsett Tow Tank + 18 + R Richmond Field Station Tow Tank + 2 + S SAFL Channel + 6.6 + Sandia Lake Facility + 4.57 + Sheets Wave Basin + 10 + Ship Towing Tank + 6 + Retrieved from "http://en.openei.org/w/index.php?title=Property:Maximum_Wave_Length(m)&oldid=597351

88

Continuous Dynamical System Models of Steady-State Genetic Alden H. Wright  

E-Print Network (OSTI)

,vv + 1sm cu,sds 1sm ai,j,s(bs) = 1k m ei,j,k, dkd - v 1sm ak,l,sds . By fixing v = 1 this actually means that in the ring M : (bi)(bj) = cu,v + 1sm cu,sds 1sm ai,j,s(bs). (11) #12;Notice that there is an inverse of the expression cu,v + 1sm cu,sds in the ring R2 that looks like: cu,v + 1sm cu,sds -1 = c-1

Wright, Alden H.

89

Continuous Dynamical System Models of SteadyState Genetic Alden H. Wright  

E-Print Network (OSTI)

H 7.5 and additionally 1% NP-40, 0.2% SDS, 1 ? 10-3 M phenylmethanesulfonyl fluoride (PMSF), 10 g mL-1.2% SDS, 1% Nonidet P-40, pH 7.5) and 50 g of protein/sample were then electrophoresed on SDS

Wright, Alden H.

90

Large-Eddy Simulation: How Large is Large Enough?  

Science Conference Proceedings (OSTI)

The length scale evolution of various quantities in a clear convective boundary layer (CBL), a stratocumulus-topped boundary layer, and three radiatively cooled (smoke cloud) convective boundary layers are studied by means of large-eddy ...

Stephan R. de Roode; Peter G. Duynkerke; Harm J. J. Jonker

2004-02-01T23:59:59.000Z

91

Large displacement spherical joint  

DOE Patents (OSTI)

A new class of spherical joints has a very large accessible full cone angle, a property which is beneficial for a wide range of applications. Despite the large cone angles, these joints move freely without singularities.

Bieg, Lothar F. (Albuquerque, NM); Benavides, Gilbert L. (Albuquerque, NM)

2002-01-01T23:59:59.000Z

92

Meet with Large Businesses  

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

Meet with Large Businesses Meet with Large Businesses and learn about upcoming acquisitions! * Federal Energy Management Program (FEMP) * National Renewable Energy Laboratory (NREL) * Small Business Administration (SBA) * U.S. Department of Energy / Energy, Efficiency, and Renewable Energy (EERE) * U.S. Department of Energy / Golden Field Office (GFO) * Western Area Power Administration (WAPA) * Colorado Procurement Technical Assistance Center (PTAC)

93

A Liquid Metal Flume for Free Surface Magnetohydrodynamic Experiments  

SciTech Connect

We present an experiment designed to study magnetohydrodynamic effects in free-surface channel flow. The wide aspect ratio channel (the width to height ratio is about 15) is completely enclosed in an inert atmosphere to prevent oxidization of the liquid metal. A custom-designed pump reduces entrainment of oxygen, which was found to be a problem with standard centrifugal and gear pumps. Laser Doppler Velocimetry experiments characterize velocity profiles of the flow. Various flow constraints mitigate secondary circulation and end effects on the flow. Measurements of the wave propagation characteristics in the liquid metal demonstrate the surfactant effect of surface oxides and the damping of fluctuations by a cross-channel magnetic field.

Nornberg, M.D.; Ji, H.; Peterson, J.L.; Rhoads, J.R.

2008-08-27T23:59:59.000Z

94

Large-Scale Hydropower  

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

Large-scale hydropower plants are generally developed to produce electricity for government or electric utility projects. These plants are more than 30 MW in size, and there is more than 80,000 MW...

95

Large Occlusion Stereo  

Science Conference Proceedings (OSTI)

A method for solving the stereo matching problem in the presence of large occlusion is presented. A data structurethe disparity space imageis defined to facilitate the description of the effects of occlusion on the stereo matching process ... Keywords: disparity-space, dynamic-programming stereo, occlusion, stereo

Aaron F. Bobick; Stephen S. Intille

1999-09-01T23:59:59.000Z

96

Composting Large Animal Carcasses  

E-Print Network (OSTI)

Disposing of large animal carcasses can be a problem for agricultural producers. Composting is a simple, low-cost method that yields a useful product that can be used as fertilizer. In this publication you'll learn the basics of composting, how to build and maintain a compost pile, tools you will need, and how to use the finished compost.

Auvermann, Brent W.; Mukhtar, Saqib; Heflin, Kevin

2006-10-31T23:59:59.000Z

97

Implicit Large Eddy Simulation  

National Nuclear Security Administration (NNSA)

Implicit Implicit Large Eddy Simulation (ILES) for High Reynolds Number Flows Len Margolin Applied Physics Division Los Alamos National Laboratory Collaborators: 1. Bill Rider (LANL) 2. Piotr Smolarkiewicz (NCAR) 3. Andrzej Wysogrodski (NCAR) 4. Fernando Grinstein (NRL) len@lanl.gov 1 Implicit Large Eddy Simulation Outline: * What is ILES? * What are its advantages? * Historical perspective * Why does it work? * Some examples len@lanl.gov 2 What is ILES ILES is the direct application of a fluid solver to a high Reynolds number fluid flow with no explicit turbulence model. · The truncation terms of the algorithm serve as an effective model of the effects of the unresolved scales. · Fluid solvers based on Nonoscillatory Finite Volume (NFV) approximations work effectively for ILES. · Fluid solvers based on pseudospectral methods, leapfrog methods, advective form methods, etc. do not work

98

Large forging manufacturing process  

DOE Patents (OSTI)

A process for forging large components of Alloy 718 material so that the components do not exhibit abnormal grain growth includes the steps of: a) providing a billet with an average grain size between ASTM 0 and ASTM 3; b) heating the billet to a temperature of between 1750.degree. F. and 1800.degree. F.; c) upsetting the billet to obtain a component part with a minimum strain of 0.125 in at least selected areas of the part; d) reheating the component part to a temperature between 1750.degree. F. and 1800.degree. F.; e) upsetting the component part to a final configuration such that said selected areas receive no strains between 0.01 and 0.125; f) solution treating the component part at a temperature of between 1725.degree. F. and 1750.degree. F.; and g) aging the component part over predetermined times at different temperatures. A modified process achieves abnormal grain growth in selected areas of a component where desirable.

Thamboo, Samuel V. (Latham, NY); Yang, Ling (Niskayuna, NY)

2002-01-01T23:59:59.000Z

99

CALIFORNIA ENERGY Large HVAC Building  

E-Print Network (OSTI)

CALIFORNIA ENERGY COMMISSION Large HVAC Building Survey Information Database of Buildings over 100 Design of Large Commercial HVAC Systems research project, one of six research elements in the Integrated Design of Large Commercial HVAC Systems Integrated Design of Small Commercial HVAC Systems Integrated

100

Taking the 'Large' out of Large Hadron Collider: Computational Breakthrough  

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

Home » News & Publications » News » Science News » Taking the 'Large' out of Large Hadron Collider Taking the 'Large' out of Large Hadron Collider Computational breakthrough hastens modeling of 'tabletop accelerators' August 9, 2010 | Tags: Accelerator Science Contact: Margie Wylie | mwylie@lbl.gov | 510-486-7421 mori1 This 3D simulation shows how laser pulses create plasma wakes that propel electrons forward, much as a surfer is propelled forward by an ocean wave. Laser wakefield acceleration promises electron accelerators that are thousands of times more powerful than, yet a fraction the size of, conventional radio frequency devices. Particle accelerators like the Large Hadron Collider (LHC) at CERN are the big rock stars of high-energy physics-really big. The LHC cost nearly

Note: This page contains sample records for the topic "alden large flume" 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

Large Consistent Geometric Landmark Maps  

Science Conference Proceedings (OSTI)

The autonomous operation of an intelligent service robot in practical applications requires that the robot builds up a map of the environment by itself, even for large environments like supermarkets. This paper presents a solution to the problem of building ...

Wolfgang D. Rencken; Wendelin Feiten; Martin Soika

2000-10-01T23:59:59.000Z

102

Lightning Safety and Large Stadiums  

Science Conference Proceedings (OSTI)

When lightning threatens an outdoor activity, it is usually postponed so that people may seek a safe location. When lightning threatens a large outdoor stadium, the game or event itself is usually postponed, but it is often difficult to ensure ...

Joel Gratz; Erik Noble

2006-09-01T23:59:59.000Z

103

Splitting and Confirming Large File  

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

Splitting and Confirming Large File Splitting and Confirming Large File Name: Bradley C. Status: Student Age: 16 Location: N/A Country: N/A Date: June 2003 Question: I just calculated one billion digits of pi on my PC, how do I confirm them? I cannot access them because the file size is 1.28 GB, my ram is only 512 MB, meaning none of my word processor's will touch it. Is it possible to split the document, somehow? Then how do I confirm the digits? Replies: Checking the correctness of large numbers -- transcendental numbers like 'pi', or a large prime -- is not easy because there are many sources of error that are difficult to detect, or track down. Some, but by no means all are: 1. How "good" (that is convergent) is the algorithm? If, for example the algorithm is some sort of infinite series, there is always a truncation error, because you cannot compute an infinite number of terms in a finite amount of time. The further out you go in the algorithm, the more significant these errors become.

104

Large Magnetization at Carbon Surfaces  

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

Large Magnetization at Carbon Large Magnetization at Carbon Surfaces Large Magnetization at Carbon Surfaces Print Wednesday, 31 August 2011 00:00 From organic matter to pencil lead, carbon is a versatile element. Now, another use has been found: magnets. One would not expect pure carbon to be magnetic, but for more than ten years scientists have suspected that carbon can be made to be magnetic by doping it with nonmagnetic materials, changing its order ever so slightly. Years ago, the first x-ray images obtained using the scanning transmission x-ray microscope at ALS Beamline 11.0.2 provided valuable insight into how proton irradiation can cause carbon to transform into a ferromagnetic material. Now, researchers are using x-ray spectroscopy at ALS Beamline 4.0.2 to study the magnetism of proton-irradiated graphite surfaces in order to understand the effects of hydrogen (i.e. protons) on the electronic structure of carbon. In studying the properties of electrons responsible for magnetic order in graphite, researchers found that a very large magnetic moment is essentially switched on when hydrogen atoms are incorporated at the surface of graphite.

105

Fast segmentation of large images  

Science Conference Proceedings (OSTI)

The processing of large images is a generic problem in wide area surveillance. An important difficulty is that many image processing algorithms are global rather than local and hence can be infeasible due to the required computing time or memory resources ... Keywords: algorithm, image, segmentation

David J. Crisp; Peter Perry; Nicholas J. Redding

2003-02-01T23:59:59.000Z

106

Property:Bandwidth(kHz) | Open Energy Information  

Open Energy Info (EERE)

Bandwidth(kHz) Bandwidth(kHz) Jump to: navigation, search Property Name Bandwidth(KHz) Property Type String Pages using the property "Bandwidth(kHz)" Showing 25 pages using this property. (previous 25) (next 25) C Conte Large Flume + 44 + Conte Small Flume + 44 + D Davidson Laboratory Tow Tank + .025 typical; can measure at higher frequencies if needed + DeFrees Flume 1 + 1000 + DeFrees Flume 2 + 1000 + DeFrees Flume 4 + 1000 + DeFrees Large Wave Basin + 1000 + DeFrees Small Wave Basin + 1000 + H Hinsdale Wave Basin 1 + Up to 1 MS/s + Hinsdale Wave Basin 2 + Up to 1 MS/s + M MHL 2D Wind/Wave + 20 + MHL Free Surface Channel + 20 + MHL High Speed Cavitation + 20 + MHL Student Tunnel + 20 + MHL Tow Tank + 20 + MIT Tow Tank + +/- 10V + Maine Tow Tank + 10 +

107

large hydro | OpenEI  

Open Energy Info (EERE)

large hydro large hydro Dataset Summary Description The Planning Database Project provides the UK Department of Energy and Climate Change (DECC) with regular data to track progress towards achieving EU targets for electricity generation from renewable energy (RE) sources. Extracts from the database are available each month. Information collected in the database includes: name, location and installed capacity of RE projects over 0.1MW; environmental designations; planning status; and construction status. Included here is the October 2010 Progress Datasheet, and an extract from December, 15, 2010 (i.e. Source UK Department of Energy and Climate Change (DECC) Date Released December 15th, 2010 (3 years ago) Date Updated Unknown Keywords biomass co-firing installed capacity

108

Large Magnetization at Carbon Surfaces  

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

Large Magnetization at Carbon Surfaces Print Large Magnetization at Carbon Surfaces Print From organic matter to pencil lead, carbon is a versatile element. Now, another use has been found: magnets. One would not expect pure carbon to be magnetic, but for more than ten years scientists have suspected that carbon can be made to be magnetic by doping it with nonmagnetic materials, changing its order ever so slightly. Years ago, the first x-ray images obtained using the scanning transmission x-ray microscope at ALS Beamline 11.0.2 provided valuable insight into how proton irradiation can cause carbon to transform into a ferromagnetic material. Now, researchers are using x-ray spectroscopy at ALS Beamline 4.0.2 to study the magnetism of proton-irradiated graphite surfaces in order to understand the effects of hydrogen (i.e. protons) on the electronic structure of carbon. In studying the properties of electrons responsible for magnetic order in graphite, researchers found that a very large magnetic moment is essentially switched on when hydrogen atoms are incorporated at the surface of graphite.

109

Large Magnetization at Carbon Surfaces  

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

Large Magnetization at Carbon Surfaces Print Large Magnetization at Carbon Surfaces Print From organic matter to pencil lead, carbon is a versatile element. Now, another use has been found: magnets. One would not expect pure carbon to be magnetic, but for more than ten years scientists have suspected that carbon can be made to be magnetic by doping it with nonmagnetic materials, changing its order ever so slightly. Years ago, the first x-ray images obtained using the scanning transmission x-ray microscope at ALS Beamline 11.0.2 provided valuable insight into how proton irradiation can cause carbon to transform into a ferromagnetic material. Now, researchers are using x-ray spectroscopy at ALS Beamline 4.0.2 to study the magnetism of proton-irradiated graphite surfaces in order to understand the effects of hydrogen (i.e. protons) on the electronic structure of carbon. In studying the properties of electrons responsible for magnetic order in graphite, researchers found that a very large magnetic moment is essentially switched on when hydrogen atoms are incorporated at the surface of graphite.

110

Large Magnetization at Carbon Surfaces  

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

Large Magnetization at Carbon Surfaces Print Large Magnetization at Carbon Surfaces Print From organic matter to pencil lead, carbon is a versatile element. Now, another use has been found: magnets. One would not expect pure carbon to be magnetic, but for more than ten years scientists have suspected that carbon can be made to be magnetic by doping it with nonmagnetic materials, changing its order ever so slightly. Years ago, the first x-ray images obtained using the scanning transmission x-ray microscope at ALS Beamline 11.0.2 provided valuable insight into how proton irradiation can cause carbon to transform into a ferromagnetic material. Now, researchers are using x-ray spectroscopy at ALS Beamline 4.0.2 to study the magnetism of proton-irradiated graphite surfaces in order to understand the effects of hydrogen (i.e. protons) on the electronic structure of carbon. In studying the properties of electrons responsible for magnetic order in graphite, researchers found that a very large magnetic moment is essentially switched on when hydrogen atoms are incorporated at the surface of graphite.

111

Large Magnetization at Carbon Surfaces  

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

Large Magnetization at Carbon Surfaces Print Large Magnetization at Carbon Surfaces Print From organic matter to pencil lead, carbon is a versatile element. Now, another use has been found: magnets. One would not expect pure carbon to be magnetic, but for more than ten years scientists have suspected that carbon can be made to be magnetic by doping it with nonmagnetic materials, changing its order ever so slightly. Years ago, the first x-ray images obtained using the scanning transmission x-ray microscope at ALS Beamline 11.0.2 provided valuable insight into how proton irradiation can cause carbon to transform into a ferromagnetic material. Now, researchers are using x-ray spectroscopy at ALS Beamline 4.0.2 to study the magnetism of proton-irradiated graphite surfaces in order to understand the effects of hydrogen (i.e. protons) on the electronic structure of carbon. In studying the properties of electrons responsible for magnetic order in graphite, researchers found that a very large magnetic moment is essentially switched on when hydrogen atoms are incorporated at the surface of graphite.

112

Large Component Removal/Disposal  

Science Conference Proceedings (OSTI)

This paper describes the removal and disposal of the large components from Maine Yankee Atomic Power Plant. The large components discussed include the three steam generators, pressurizer, and reactor pressure vessel. Two separate Exemption Requests, which included radiological characterizations, shielding evaluations, structural evaluations and transportation plans, were prepared and issued to the DOT for approval to ship these components; the first was for the three steam generators and one pressurizer, the second was for the reactor pressure vessel. Both Exemption Requests were submitted to the DOT in November 1999. The DOT approved the Exemption Requests in May and July of 2000, respectively. The steam generators and pressurizer have been removed from Maine Yankee and shipped to the processing facility. They were removed from Maine Yankee's Containment Building, loaded onto specially designed skid assemblies, transported onto two separate barges, tied down to the barges, th en shipped 2750 miles to Memphis, Tennessee for processing. The Reactor Pressure Vessel Removal Project is currently under way and scheduled to be completed by Fall of 2002. The planning, preparation and removal of these large components has required extensive efforts in planning and implementation on the part of all parties involved.

Wheeler, D. M.

2002-02-27T23:59:59.000Z

113

the Large Aperture GRB Observatory  

SciTech Connect

The Large Aperture GRB Observatory (LAGO) aims at the detection of high energy photons from Gamma Ray Bursts (GRB) using the single particle technique (SPT) in ground based water Cherenkov detectors (WCD). To reach a reasonable sensitivity, high altitude mountain sites have been selected in Mexico (Sierra Negra, 4550 m a.s.l.), Bolivia (Chacaltaya, 5300 m a.s.l.) and Venezuela (Merida, 4765 m a.s.l.). We report on the project progresses and the first operation at high altitude, search for bursts in 6 months of preliminary data, as well as search for signal at ground level when satellites report a burst.

Bertou, Xavier [Centro Atomico Bariloche (Argentina)

2009-04-30T23:59:59.000Z

114

Aggregation in Large Dynamic Panels  

E-Print Network (OSTI)

;, and as = E (w0#8;s#28; ) = E(#21;s). Hence, for su ciently large N and T , the distributed lag coe cients can be consistently estimated by bas = 1N PN i=1 b#21;si , where b#21;i is the least square estimator of #21;i in the autoregressions (30... ). The distribution F#21; is not the same as the distribution of b#21;i when T is ?nite, but bas is consistent at least when T ! 1 followed by N ! 1. Both the aggregate and the disaggregate estimators are biased when T is small. Initially, we also report the estimates...

Pesaran, M. Hashem; Chudik, Alexander

2011-01-31T23:59:59.000Z

115

The Large Aperture GRB Observatory  

E-Print Network (OSTI)

The Large Aperture GRB Observatory (LAGO) is aiming at the detection of the high energy (around 100 GeV) component of Gamma Ray Bursts, using the single particle technique in arrays of Water Cherenkov Detectors (WCD) in high mountain sites (Chacaltaya, Bolivia, 5300 m a.s.l., Pico Espejo, Venezuela, 4750 m a.s.l., Sierra Negra, Mexico, 4650 m a.s.l). WCD at high altitude offer a unique possibility of detecting low gamma fluxes in the 10 GeV - 1 TeV range. The status of the Observatory and data collected from 2007 to date will be presented.

Allard, D; Asorey, H; Barros, H; Bertou, X; Castillo, M; Chirinos, J M; De Castro, A; Flores, S; Gonzlez, J; Berisso, M Gomez; Grajales, J; Guada, C; Day, W R Guevara; Ishitsuka, J; Lpez, J A; Martnez, O; Melfo, A; Meza, E; Loza, P Miranda; Barbosa, E Moreno; Murrugarra, C; Nez, L A; Ormachea, L J Otiniano; Prez, G; Perez, Y; Ponce, E; Quispe, J; Quintero, C; Rivera, H; Rosales, M; Rovero, A C; Saavedra, O; Salazar, H; Tello, J C; Peralda, R Ticona; Varela, E; Velarde, A; Villaseor, L; Wahl, D; Zamalloa, M A

2009-01-01T23:59:59.000Z

116

CALIFORNIA ENERGY Large HVAC Energy Impact Report  

E-Print Network (OSTI)

CALIFORNIA ENERGY COMMISSION Large HVAC Energy Impact Report Statewide Energy Impact Report are part of the Integrated Design of Large Commercial HVAC Systems research project. The reports: Productivity and Interior Environments Integrated Design of Large Commercial HVAC Systems Integrated Design

117

Director's colloquium March 18 large hadron collider  

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

Director's colloquium large hadron collider Director's colloquium March 18 large hadron collider Lyndon Evans of CERN will talk about the most complex scientific instrument ever...

118

Analysis of large urban fires  

SciTech Connect

Fires in urban areas caused by a nuclear burst are analyzed as a first step towards determining their smoke-generation chacteristics, which may have grave implications for global-scale climatic consequences. A chain of events and their component processes which would follow a nuclear attack are described. A numerical code is currently being developed to calculate ultimately the smoke production rate for a given attack scenario. Available models for most of the processes are incorporated into the code. Sample calculations of urban fire-development history performed in the code for an idealized uniform city are presented. Preliminary results indicate the importance of the wind, thermal radiation transmission, fuel distributions, and ignition thresholds on the urban fire spread characteristics. Future plans are to improve the existing models and develop new ones to characterize smoke production from large urban fires. 21 references, 18 figures.

Kang, S.W.; Reitter, T.A.; Takata, A.N.

1984-11-01T23:59:59.000Z

119

A LARGE BAKEABLE VACUUM VALVE  

SciTech Connect

The development and design of a large bakeable valve based on a unique seat arrangement and a novel motion seal are described. The seat sealing is accomplished through the use of high pressure fluid actuation of an annular pinch gasket. Experimental data on seat closure performance, and the specific design features to achieve successful closures, are presented. The bakeable motion seal utilizes a stainless steel bellows sleeving over an inner concentric actuating shaft. This shaft is bent at 90 deg to the axis of rotation and is free to rotate relative to the bellows. There is no apparent size limitation to this type of actuation. The design of a 10-inch gate valve utilizing these principles is described. (auth)

Batzer, T.H.

1959-08-01T23:59:59.000Z

120

FEASIBILITY OF LARGE-SCALE OCEAN CO2 SEQUESTRATION  

Science Conference Proceedings (OSTI)

The past year has been one of continued high productivity and technical innovation for research conducted under support of this contract. We report here on the successful completion of development of a deep-ocean laser Raman spectrometer, and the use of this novel system for direct in situ measurement of the dissolution rate of CO{sub 2} from a N{sub 2}/CO{sub 2} gas mixture at 300m ocean depth. We have carried out the deepest ever ocean CO{sub 2} injection experiment at 3960m depth, and have observed the behavior of the plume of low pH/high CO{sub 2} water emanating from this source. This was made possible by the design, construction, and operation of a novel flume to contain the liquid CO{sub 2} and to force flow in a controlled manner over the liquid CO{sub 2} surface. In carrying out this experiment we observed for the first time the extraordinarily rapid hydration kinetics of CO{sub 2} with water at high pressure. This initial observation was later confirmed in a carefully controlled series of acid and CO{sub 2} injection studies at varying depths. In carrying out this research we are aware of the environmental concerns, and we have been in the forefront of identifying the challenges resulting from the far greater quantities of CO{sub 2} being passively absorbed from the atmosphere. This quantity now is approximately 1 million metric tons CO{sub 2} per hour, and reasonable projections for the 21st century project ocean pH changes of 0.3 or more by mid-century. The PIs have played a key role in organizing a major international meeting on this topic, and on reporting the results. We are now engaged in developing the novel techniques required to investigate this problem.

Peter G. Brewer; James Barry

2004-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "alden large flume" 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

Energy Basics: Large-Scale Hydropower  

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

Energy Basics Renewable Energy Printable Version Share this resource Biomass Geothermal Hydrogen Hydropower Large-Scale Hydropower Microhydropower Hydropower Resources...

122

Novel Lamination Method for Large Armor Panels  

Science Conference Proceedings (OSTI)

New Saccharification Process of Cellulosic Biomass by Microwave Irradiation Novel Lamination Method for Large Armor Panels Raman Spectroscopy for...

123

Generation of sand bars under surface waves  

E-Print Network (OSTI)

(cont.) Experiments were performed in a large wave flume to validate the theory and to study additional aspects of sand bar evolution. The wave envelope and bar profile were recorded for low and high beach reflection, ...

Hancock, Matthew James, 1975-

2005-01-01T23:59:59.000Z

124

Virtual screening on large scale grids  

Science Conference Proceedings (OSTI)

Large scale grids for in silico drug discovery open opportunities of particular interest to neglected and emerging diseases. In 2005 and 2006, we have been able to deploy large scale virtual docking within the framework of the WISDOM initiative against ... Keywords: Avian influenza, Large scale grids, Malaria, Virtual screening

Nicolas Jacq; Vincent Breton; Hsin-Yen Chen; Li-Yung Ho; Martin Hofmann; Vinod Kasam; Hurng-Chun Lee; Yannick Legr; Simon C. Lin; Astrid Maa; Emmanuel Medernach; Ivan Merelli; Luciano Milanesi; Giulio Rastelli; Matthieu Reichstadt; Jean Salzemann; Horst Schwichtenberg; Ying-Ta Wu; Marc Zimmermann

2007-05-01T23:59:59.000Z

125

Translation and dispersion of sediment pulses in flume experiments simulating gravel  

E-Print Network (OSTI)

to propagate primarily by dispersion; however, pulse translation may occur for gravel additions to armored report results of a laboratory investigation in which we created an immobile, armored bed and documented

Venditti, Jeremy G.

126

Flume Studies of Sediment Transportation in Shallow Flow with Simulated Rainfall  

E-Print Network (OSTI)

This study involves four of the twelve major river basins of the state of Texas and is essentially a proposal to divert water from the Red River into the Trinity, Neches and Sabine River Basins. When first considered, it appears to be a rather unusual plan. It proposes to take water from the Red River at Lake Texoma, which is often of poor quality and in some areas of the basin scarce, and transport this water into a portion of the state that has an apparent abundance. There are, however, numerous advantages to this plan. First, a dependable supply of water Is made available to the upper reaches of the receiving basins without the cost of reservoir construction. It also creates a potential for peak period hydroelectric power generation and supplies the lower portion of the basins with an increased water supply which can be put to beneficial use. This may involve water quality control of municipal and industrial pollution, control of salt water intrusion, or redistribution. In an age of grandiose water supply schemes, e.g., the California Water Plan 2 and the preliminary Texas Water Plan,3 the cost of this proposal is very reasonable. Some of the disadvantages of this proposal are discussed briefly in the following paragraph. The Red River is an interstate stream; consequently, division of its waters among the states included in the basin must be by compact. Compact Commissioners representing the states of Texas, Oklahoma, Arkansas, and Louisiana, with a chairman representing the Federal Government, have been negotiating a Red River Compact. Most of the details have been worked out and the draft of this agreement is being reviewed by federal and state agencies. The Red River Compact will then need approval by the legislatures of each of the states and by the Congress before it will become effective. Until final arrangements have been made concerning the allocation of water, the proposed diversion cannot legally be made. Since the quality of the Red River water has been poor much of the time, the Corps of Engineers has begun work to alleviate the natural salt pollution. The states concerned have agreed to aid the Federal Government by close control of manmade pollutants. The quality of the Red River water is dependent upon these control programs. Finally, the development of this plan would require revision of the master plans for the specific basins because a number of existing reservoirs would be affected. If for no other reason, this study and the evolved proposal have been valuable as a training program for use of the many recently developed water resources planning techniques. In order to insure a sense of direction, it seems apropos to present a brief outline of the study procedure. Chapter II, entitled, "The Economic Development and Potential for the Red, Trinity, Neches and Sabine River Basins," is a general discussion of the economic factors as they are related to demand for water in each basin. In addition to a statewide outlook, a separate discussion for each basin is presented which includes future population projections. In closing this chapter, a table of the anticipated municipal and industrial water requirements is presented. Careful consideration of the information in this chapter is necessary for any type of water resources planning. The largest section in this study is Chapter III, "The Water Resources of the Neches and Red River Basins." A comprehensive investigation of the water resources of all the basins in the proposal would have been desirable; however, the work required would have approached development of a master plan for a major portion of the state of Texas Detailed examination and research of the donating basin and for a single receiving basin was considered adequate for the objectives of this study. The specific subtopics which were discussed are too numerous to list here and are available in the Table of Contents section. Chapter IV, "The Proposed Physical Plan," contains a description of the diversion facilities required to t

Nail, F.M.

1966-01-01T23:59:59.000Z

127

and Large Sized Chinese Steel Enterprises  

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

Analysis of the Past and Future Trends of Energy Use in Key Medium and Large Sized Chinese Steel Enterprises year month institution Lawrence Berkeley National Laboratory abstract p...

128

NREL: Wind Research - Large Wind Turbine Research  

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

Wind Research Search More Search Options Site Map Printable Version Large Wind Turbine Research NREL's utility scale wind system research addresses performance and...

129

Large Neighborhood Search for LNG Inventory Routing  

E-Print Network (OSTI)

Feb 3, 2012 ... Large Neighborhood Search for LNG Inventory Routing. Vikas Goel (vikas.goel ** *at*** exxonmobil.com) Kevin Furman (kevin.c.furman ***at***...

130

International Conference on Accelerator and Large Experimental...  

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

and Large Experimental Physics Control Systems Covering control system topics for accelerators, telescopes, fusion, physics detectors, space exploration, and more Proceedings...

131

Monitoring Large Systems Via Statistical Sampling  

Science Conference Proceedings (OSTI)

As the trend in parallel systems scales toward petaflop performance tapped by advances in circuit density and by an increasingly available computational Grid, the development of efficient mechanisms for monitoring large systems becomes imperative. When ... Keywords: Large systems, performance monitoring, statistical sampling

Celso L. Mendes; Daniel A. Reed

2004-05-01T23:59:59.000Z

132

Conformal Blocks in the Large D Limit  

E-Print Network (OSTI)

We derive conformal blocks in an inverse spacetime dimension expansion. In this large D limit, the blocks are naturally written in terms of a new combination of conformal cross-ratios. We comment on the implications for the conformal bootstrap at large D.

A. Liam Fitzpatrick; Jared Kaplan; David Poland

2013-04-30T23:59:59.000Z

133

Efficient spatial sampling of large geographical tables  

Science Conference Proceedings (OSTI)

Large-scale map visualization systems play an increasingly important role in presenting geographic datasets to end users. Since these datasets can be extremely large, a map rendering system often needs to select a small fraction of the data to visualize ... Keywords: data visualization, geographical databases, indexing, maps, query processing, spatial sampling

Anish Das Sarma; Hongrae Lee; Hector Gonzalez; Jayant Madhavan; Alon Halevy

2012-05-01T23:59:59.000Z

134

The Very Large Hadron Collider: The farthest energy frontier  

E-Print Network (OSTI)

THE VERY LARGE HADRON COLLIDER: THE FARTHEST ENERGY FRONTIERAbstract The Very Large Hadron Collider (or Eloisatron)

Barletta, William A.

2001-01-01T23:59:59.000Z

135

Large Energy Users Program | Department of Energy  

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

Large Energy Users Program Large Energy Users Program Large Energy Users Program < Back Eligibility Commercial Fed. Government Industrial Institutional Local Government Nonprofit Schools State Government Savings Category Heating & Cooling Commercial Heating & Cooling Heating Cooling Home Weatherization Construction Commercial Weatherization Design & Remodeling Manufacturing Other Appliances & Electronics Heat Pumps Commercial Lighting Lighting Water Heating Maximum Rebate Prescriptive: Varies by equipment type Custom: $200,000 or 30% per project Total Prescriptive and Custom combined: $400,000 per calendar year Program Info Funding Source Focus On Energy Start Date 04/01/2012 Expiration Date 12/31/2013 State Wisconsin Program Type State Rebate Program Rebate Amount Prescriptive: Varies by equipment type

136

Very Large System Dynamics Models - Lessons Learned  

Science Conference Proceedings (OSTI)

This paper provides lessons learned from developing several large system dynamics (SD) models. System dynamics modeling practice emphasize the need to keep models small so that they are manageable and understandable. This practice is generally reasonable and prudent; however, there are times that large SD models are necessary. This paper outlines two large SD projects that were done at two Department of Energy National Laboratories, the Idaho National Laboratory and Sandia National Laboratories. This paper summarizes the models and then discusses some of the valuable lessons learned during these two modeling efforts.

Jacob J. Jacobson; Leonard Malczynski

2008-10-01T23:59:59.000Z

137

Large-Eddy Boundary Layer Entrainment  

Science Conference Proceedings (OSTI)

A series of large-eddy simulations have been performed to explore boundary layer entrainment under conditions of a strongly capped inversion layer with the boundary layer dynamics driven dominantly by buoyant forcing. Different conditions ...

D. C. Lewellen; W. S. Lewellen

1998-08-01T23:59:59.000Z

138

Large Wind Technology | Department of Energy  

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

Large Wind Technology Large Wind Technology Large Wind Technology The Wind Program works with industry partners to increase the performance and reliability of large wind technologies while lowering the cost of wind energy. The program's research efforts have helped to increase the average capacity factor (a measure of power plant productivity) from 22% for wind turbines installed before 1998 to 35% for turbines installed between 2004 and 2007. Wind energy costs have been reduced from over 55 cents (current dollars) per kilowatt-hour (kWh) in 1980 to under six cents/kWh today. To ensure future industry growth, the technology must continue to evolve, building on earlier successes to further improve reliability, increase capacity factors, and reduce costs. This page describes the goal of the

139

Nanophosphors for Large Area Radiation Detectors  

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

Homeland Security & Defense » Homeland Security & Defense » Nanophosphors for Large Area Radiation Detectors Nanophosphors for Large Area Radiation Detectors The present invention includes a composition comprising nanophosphor particles capped with a ligand. June 25, 2013 Nanophosphors for Large Area Radiation Detectors The present invention includes a composition comprising nanophosphor particles capped with a ligand. Available for thumbnail of Feynman Center (505) 665-9090 Email Nanophosphors for Large Area Radiation Detectors The present invention includes a composition comprising nanophosphor particles capped with a ligand. The nanophosphor particles have are less than or equal to 20 nanometers. The composition has at least one lanthanide and at least one halide. The weight percent of lanthanide

140

California Initiative for Large Molecule Sustainable Fuels  

E-Print Network (OSTI)

California Initiative for Large Molecule Sustainable Fuels Transportation Energy Research PIER these fuels stands in the way of California's energy independence. Liquid fuels produced from biomass have California's preeminence in this field of technology, creating green jobs through these technologies

Note: This page contains sample records for the topic "alden large flume" 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

Occlusion Culling in Large Virtual Environments  

Science Conference Proceedings (OSTI)

In this paper, occlusion testing in very large virtual environments is discussed from two perspectives: a theoretical one, discussing occlusion culling in relation to detail elision (level of detail), and a practical one, relating to an adaptive occlusion-culling ...

Karsten Bormann

2001-10-01T23:59:59.000Z

142

Energy Basics: Large-Scale Hydropower  

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

These plants are more than 30 MW in size, and there is more than 80,000 MW of installed generation capacity in the United States today. Most large-scale hydropower projects use a...

143

Decontamination of large components-test case  

SciTech Connect

The rising per-cubic-foot burial costs, together with the trend toward standardized above-ground burial sites, provides the basis for seeking an alternative to direct burial of large components. Large contaminated components such as steam generators can be safely dismantled and decontaminated for free release, metals recycle, and volume reduction. This grand-scale disposal technology will prove to be an economical and ecological alternative to direct burial or interim storage. Yankee Atomic Electric Company (YAEC) in Bolton, operators and decommissioners of the Yankee Nuclear Power Station in Rowe, Massachusetts, has teamed with Frank W Hake Associates in Memphis, TN, to decontaminate a large component as a test case. The large component is YAEC`s reactor pressure vessel head (RPVH). The 79 100 lb RPVH is surface contaminated with 0.7 Ci (1500 mR/h contact) resulting from 32 yr of operating in a 2000 psi, 530{degrees}F pressurized water reactor environment.

Mancini, A. [Yankee Atomic Electric Co., Bolton, MA (United States); Bosco, B. [Frank W. Hake Associates, Memphis, TN (United States)

1996-12-31T23:59:59.000Z

144

Early Cloud Formation by Large Area Fires  

Science Conference Proceedings (OSTI)

Fires simultaneously burning in hundreds of square kilometers could result from a nuclear weapon explosion. The strong buoyancy field of such large area fires induces high-velocity fire winds that turn upward in the burning region. This results ...

R. D. Small; K. E. Heikes

1988-05-01T23:59:59.000Z

145

Program Management for Large Scale Engineering Programs  

E-Print Network (OSTI)

The goal of this whitepaper is to summarize the LAI research that applies to program management. The context of most of the research discussed in this whitepaper are large-scale engineering programs, particularly in the ...

Oehmen, Josef

146

Large-Eddy Simulation of Contrails  

Science Conference Proceedings (OSTI)

Numerical simulations of contrails have been performed to investigate the role of various external parameters and physical processes in the life cycle of contrails. The general idea underlying the model is that of a large-eddy model. The model ...

Andreas Chlond

1998-03-01T23:59:59.000Z

147

Fermilab Now - LHC Large Hadron Collider  

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

Large Hadron Collider (LHC) Over the next few months, a 12,500-ton detector will be lowered almost 300 feet below ground near the French-Swiss border. Dubbed "CMS," this detector...

148

Aircraft Icing Caused by Large Supercooled Droplets  

Science Conference Proceedings (OSTI)

The characteristic of aircraft icing environments containing large supercooled droplets are described. Substantial loss in rate of climb capability can result from less than 10 minutes duration in conditions where fewer than 0.11 cm?3 of ...

Marcia K. Politovich

1989-09-01T23:59:59.000Z

149

Large-Scale Offshore Wind Power  

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

Large-Scale Offshore Wind Power in the United States EXECUTIVE SUMMARY September 2010 NOTICE This report was prepared as an account of work sponsored by an agency of the United...

150

Large-Scale Hydrogen Combustion Experiments  

Science Conference Proceedings (OSTI)

Large-scale combustion experiments show that deliberate ignition can limit hydrogen accumulation in reactor containments. The collected data allow accurate evaluation of containment pressures and temperatures associated with hydrogen combustion.

1988-10-18T23:59:59.000Z

151

Large-Scale Dynamics and Global Warming  

Science Conference Proceedings (OSTI)

Predictions of future climate change raise a variety of issues in large-scale atmospheric and oceanic dynamics. Several of these are reviewed in this essay, including the sensitivity of the circulation of the Atlantic Ocean to increasing ...

Isaac M. Held

1993-02-01T23:59:59.000Z

152

Very Large Hailstones From Aurora, Nebraska  

Science Conference Proceedings (OSTI)

The Aurora, Nebraska, hailstorm of 22 June 2003 produced some exceptionally large hailstones, and was widely publicized. Nineteen hailstones obtained from local people have been sectioned and photographed and eight are illustrated here, recording ...

Charles A. Knight; Nancy C. Knight

2005-12-01T23:59:59.000Z

153

Trojan PWR Decommissioning: Large Component Removal Project  

Science Conference Proceedings (OSTI)

While the decommissioning of large commercial nuclear plants in the United States is in its infancy, the technical challenges with associated radioactive waste management are clear. This report describes the removal and disposal of four steam generators and one pressurizer from the Trojan nuclear power plant, the first large PWR to be decommissioned in the United States. The report chronicles the problems, successes, and lessons learned in this project, which was completed on schedule and under budget in...

1997-09-29T23:59:59.000Z

154

3D Technologies for Large Area Trackers  

E-Print Network (OSTI)

We describe technologies which can be developed to produce large area, low cost pixelated tracking detec- tors. These utilize wafer-scale 3D electronics and sensor technologies currently being developed in industry. This can result in fully active sensor/readout chip tiles which can be assembled into large area arrays with good yield and minimal dead area. The ability to connect though the bulk of the device can also provide better electrical performance and lower mass.

Deptuch, G; Johnson, M; Kenney, C; Lipton, R; Narian, M; Parker, S; Shenai, A; Spiegel, L; Thom, J; Ye, Z

2013-01-01T23:59:59.000Z

155

3D Technologies for Large Area Trackers  

E-Print Network (OSTI)

We describe technologies which can be developed to produce large area, low cost pixelated tracking detec- tors. These utilize wafer-scale 3D electronics and sensor technologies currently being developed in industry. This can result in fully active sensor/readout chip tiles which can be assembled into large area arrays with good yield and minimal dead area. The ability to connect though the bulk of the device can also provide better electrical performance and lower mass.

G. Deptuch; U. Heintz; M. Johnson; C. Kenney; R. Lipton; M. Narian; S. Parker; A. Shenai; L. Spiegel; J. Thom; Z. Ye

2013-07-16T23:59:59.000Z

156

Large hadron collider (LHC) project quality assurance plan  

E-Print Network (OSTI)

PUB-5478-Rev.B Large Hadron Collider (LHC) Project Qualityobjectives of the Large Hadron Collider (LHC) Project in aparticipation in the Large Hadron Collider Project. The LHC/

Gullo, Lisa; Karpenko, Victor; Robinson, Kem; Turner, William; Wong, Otis

2002-01-01T23:59:59.000Z

157

Table 8: Water Consumption Information for Large Hospitals  

U.S. Energy Information Administration (EIA)

Water Consumption Information for Large Hospitals, 2007 Table H8. RSEs for Water Consumption Information for Large Hospitals, 2007 Number of Large Hospital Buildings

158

Brookhaven and the Large Hadron Collider  

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

Brookhaven & the Large Hadron Collider Brookhaven & the Large Hadron Collider Home News Brookhaven & ATLAS ATLAS ATLAS Calorimeter ATLAS Muon Spectrometer Construction Computing Upgrades RHIC & LHC Education LHC tunnel ATLAS detector ATLAS detector RACF BNL built superconducting magnets Brookhaven & the LHC The world's most powerful particle accelerator, the Large Hadron Collider (LHC) in Switzerland, powers unprecedented explorations of the deepest mysteries of the universe. In addition to serving as the U.S. host laboratory for the ATLAS experiment at the LHC, Brookhaven National Lab plays multiple roles in this international collaboration, from construction and project management to data storage and distribution. ATLAS rendering Brookhaven and ATLAS Brookhaven physicists and engineers are participating in one of the most

159

BNL | Large Synoptic Survey Telescope (LSST)  

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

Large Synoptic Survey Telescope Large Synoptic Survey Telescope About LSST Digital Sensor Array Brookhaven & Physics of the Universe LSST Project Website LSST: Providing an Unprecedented View of the Cosmos rendering of the LSST site in Chile A revolutionary 3.2 gigapixel camera mounted in a massive ground-based telescope will produce unprecedented views of the cosmos, driving discoveries with the widest, densest, and most complete images of our universe ever captured. New Visions The Large Synoptic Survey Telescope (LSST) will peer into space as no other telescope can. This new facility will create an unparalleled wide-field astronomical survey of our universe - wider and deeper in volume than all previous telescopes combined. The combination of a 3200 megapixel camera sensor array, a powerful supercomputer, a cutting-edge data processing and

160

Category:LargeHotel | Open Energy Information  

Open Energy Info (EERE)

LargeHotel LargeHotel Jump to: navigation, search Go Back to PV Economics By Building Type Media in category "LargeHotel" The following 77 files are in this category, out of 77 total. SVLargeHotel Bismarck ND Montana-Dakota Utilities Co (North Dakota).png SVLargeHotel Bismarck ... 70 KB SVLargeHotel International Falls MN Northern States Power Co (Minnesota) Excel Energy.png SVLargeHotel Internati... 85 KB SVLargeHotel LA CA City of Los Angeles California (Utility Company).png SVLargeHotel LA CA Cit... 88 KB SVLargeHotel Memphis TN City of Memphis Tennessee (Utility Company).png SVLargeHotel Memphis T... 67 KB SVLargeHotel Minneapolis MN Northern States Power Co (Minnesota) Excel Energy.png SVLargeHotel Minneapol... 85 KB SVLargeHotel Minot ND Montana-Dakota Utilities Co (North Dakota).png

Note: This page contains sample records for the topic "alden large flume" 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

Category:LargeOffice | Open Energy Information  

Open Energy Info (EERE)

LargeOffice LargeOffice Jump to: navigation, search Go Back to PV Economics By Building Type Media in category "LargeOffice" The following 77 files are in this category, out of 77 total. SVLargeOffice Bismarck ND Montana-Dakota Utilities Co (North Dakota).png SVLargeOffice Bismarck... 69 KB SVLargeOffice Cedar City UT Moon Lake Electric Assn Inc (Utah).png SVLargeOffice Cedar Ci... 57 KB SVLargeOffice International Falls MN Northern States Power Co (Minnesota) Excel Energy.png SVLargeOffice Internat... 83 KB SVLargeOffice LA CA City of Los Angeles California (Utility Company).png SVLargeOffice LA CA Ci... 92 KB SVLargeOffice Memphis TN City of Memphis Tennessee (Utility Company).png SVLargeOffice Memphis ... 70 KB SVLargeOffice Minneapolis MN Northern States Power Co (Minnesota) Excel Energy.png

162

Stimulated Raman scattering in large plasmas  

Science Conference Proceedings (OSTI)

Stimulated Raman scattering is of concern to laser fusion since it can create a hot electron environment which can increase the difficulty of achieving high final fuel densities. In earlier experiments with one micron laser light, the energy measured in Raman-scattered light has been insignificant. But these experiments were done with, at most, about 100 joules of laser energy. The Raman instability has a high threshold which also requires a large plasma to be irradiated with a large diameter spot. Only with a long interaction length can the Raman-scattered light wave convectively grow to a large amplitude, and only in recent long pulse, high energy experiments (4000 joules in 2 ns) at the Shiva laser facility have we observed as much as several percent of the laser light to be Raman-scattered. We find that the Raman instability has a much lower intensity threshold for longer laser pulselength and larger laser spot size on a solid target.

Phillion, D.W.; Banner, D.L.

1980-11-06T23:59:59.000Z

163

Process Energy Audit for Large Industries  

E-Print Network (OSTI)

This paper discusses the author's approach to energy audits of large industries. Five large industrial segments, with energy intensive processes have been selected as examples. Items include: 1) the general methodology of conducting comprehensive industrial energy audit, 2) how one can identify energy efficiency opportunities, and 3) illustrate a few case study examples of energy conservation measures implemented in some of the industries, and 4) the importance of quality assurance/quality control in an energy audit. I will restrict this discussion to only electrical energy audit.

Chari, S.

1993-03-01T23:59:59.000Z

164

Large volume flow-through scintillating detector  

DOE Patents (OSTI)

A large volume flow through radiation detector for use in large air flow situations such as incinerator stacks or building air systems comprises a plurality of flat plates made of a scintillating material arranged parallel to the air flow. Each scintillating plate has a light guide attached which transfers light generated inside the scintillating plate to an associated photomultiplier tube. The output of the photomultiplier tubes are connected to electronics which can record any radiation and provide an alarm if appropriate for the application.

Gritzo, Russ E. (Los Alamos, NM); Fowler, Malcolm M. (Los Alamos, NM)

1995-01-01T23:59:59.000Z

165

2007 CBECS Large Hospital Building List of Tables  

Annual Energy Outlook 2012 (EIA)

End Uses in Large Hospitals Table H3: End Use Equipment in Large Hospitals Table H4: Lighting and Window Features in Large Hospitals Table H5: Major Fuels Usage for Large...

166

Intelligent Power Management Over Large Clusters  

Science Conference Proceedings (OSTI)

There is a growing tension within large organisations such as universities between the desire to perform vast amounts of computational processing and the desire to reduce power consumption by switching off computers. This situation will only worsen as ... Keywords: power management, condor, green computing

A. Stephen McGough; Clive Gerrard; Paul Haldane; Dave Sharples; Dan Swan; Paul Robinson; Sindre Hamlander; Stuart Wheater

2010-12-01T23:59:59.000Z

167

Gravitating Dyons with Large Electric Charge  

E-Print Network (OSTI)

We consider non-Abelian dyons in Einstein-Yang-Mills-Higgs theory. The dyons are spherically symmetric with unit magnetic charge. For large values of the electric charge the dyons approach limiting solutions, related to the Penney solutions of Einstein-Maxwell-scalar theory.

Rustam Ibadov; Burkhard Kleihaus; Jutta Kunz; Ulrike Neemann

2007-09-03T23:59:59.000Z

168

Distributed large-scale natural graph factorization  

Science Conference Proceedings (OSTI)

Natural graphs, such as social networks, email graphs, or instant messaging patterns, have become pervasive through the internet. These graphs are massive, often containing hundreds of millions of nodes and billions of edges. While some theoretical models ... Keywords: asynchronous algorithms, distributed optimization, graph algorithms, graph factorization, large-scale machine learning, matrix factorization

Amr Ahmed, Nino Shervashidze, Shravan Narayanamurthy, Vanja Josifovski, Alexander J. Smola

2013-05-01T23:59:59.000Z

169

Reuse and variability in large software applications  

Science Conference Proceedings (OSTI)

Reuse has always been a major goal in software engineering, since it promises large gains in productivity, quality and time to market reduction. Practical experience has shown that substantial reuse has only successfully happened in two cases: libraries, ... Keywords: AOP, COTS, EAI, MDA, interoperability, model driven software engineering, process driven application, product families, product line, reuse, variability, workflow

Jacky Estublier; German Vega

2005-09-01T23:59:59.000Z

170

Modeling needs for very large systems.  

Science Conference Proceedings (OSTI)

Most system performance models assume a point measurement for irradiance and that, except for the impact of shading from nearby obstacles, incident irradiance is uniform across the array. Module temperature is also assumed to be uniform across the array. For small arrays and hourly-averaged simulations, this may be a reasonable assumption. Stein is conducting research to characterize variability in large systems and to develop models that can better accommodate large system factors. In large, multi-MW arrays, passing clouds may block sunlight from a portion of the array but never affect another portion. Figure 22 shows that two irradiance measurements at opposite ends of a multi-MW PV plant appear to have similar irradiance (left), but in fact the irradiance is not always the same (right). Module temperature may also vary across the array, with modules on the edges being cooler because they have greater wind exposure. Large arrays will also have long wire runs and will be subject to associated losses. Soiling patterns may also vary, with modules closer to the source of soiling, such as an agricultural field, receiving more dust load. One of the primary concerns associated with this effort is how to work with integrators to gain access to better and more comprehensive data for model development and validation.

Stein, Joshua S.

2010-10-01T23:59:59.000Z

171

Large Lenses of Highly Saline Mediterranean Water  

Science Conference Proceedings (OSTI)

Isolated compact anticyclonic eddies or salt lenses were found in the Canary Basin. Hydrographic surveys of three such lenses show large anomalies of salinity and temperature (0.8, 2.5C). They are centered at 1100 m, have a vertical extent of ...

Laurence Armi; Walter Zenk

1984-10-01T23:59:59.000Z

172

Scaling Issues for Large-Scale Grids  

E-Print Network (OSTI)

· ESNet Can Play a Very Important Role in the Science Grid ? Security Aspects of Grids · ESNet Can Provide will be important and very useful for managing large-scale virtual org. structures #12;·ESNet Can Play a Very Important Role in the Science Grid · ESNet can provide a rooted and managed namespace, and a place to home

173

Data editing on large data sets  

SciTech Connect

The process of analyzing large data sets often includes an early exploratory stage to first, develop a basic understanding of the data and its interrelationships and second, to prepare and cleanup the data for hypothesis formulation and testing. This preliminary phase of the data analysis process usually requires facilities found in research data management systems, text editors, graphics packages, and statistics packages. Also this process usually requires the analyst to write special programs to cleanup and prepare the data for analysis. This paper describes a technique now implemented as a single computational tool, a data editor, which combines a cross section of facilities from the above systems with emphasis on research data base manipulation and subsetting techniques. The data editor provides an interactive environment to explore and manipulate data sets with particular attention to the implications of large data sets. It utilizes a relational data model and a self describing binary data format which allows data transportability to other data analysis packages. Some impacts of editing large data sets will be discussed. A technique for manipulating portions or subsets of large data sets without physical replication is introduced. Also an experimental command structure and operating environment are presented.

Thomas, J.J.; Burnett, R.A.; Lewis, J.R.

1981-01-01T23:59:59.000Z

174

Large-Scale Renewable Energy Guide  

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

Renewable Energy Guide Renewable Energy Guide Brad Gustafson, FEMP 2 Large-scale RE Guide Large-scale RE Guide: Developing Renewable Energy Projects Larger than 10 MWs at Federal Facilities Introduction and Overview Federal Utility Partnership Working Group May 22, 2013 Federal Energy Management Program Office of Energy Efficiency and Renewable Energy U.S. Department of Energy 3 Federal Energy Management Program FEMP works with key individuals to accomplish energy change within organizations by bringing expertise from all levels of project and policy implementation to enable Federal Agencies to meet energy related goals and to provide energy leadership to the country. 4 FEMP Renewable Energy * Works to increase the proportion of renewable energy in the Federal government's energy mix.

175

New England Wind Forum: Large Wind  

Wind Powering America (EERE)

Small Wind Small Wind Large Wind Newsletter Perspectives Events Quick Links to States CT MA ME NH RI VT Bookmark and Share Large Wind When establishing wind farms, wind energy developers generally approach landowners where they want to build. Interest in wind farms is frequently spurred by external pressures such as tax and other financial incentives and legislative mandates. Since each situation is influenced by local policies and permitting, we can only provide general guidance to help you learn about the process of installing wind turbines. Publications Wind Project Development Process Permitting of Wind Energy Facilities: A Handbook. (August 2002). National Wind Coordinating Collaborative. Landowner Frequently Asked Questions and Answers. (August 2003). "State Wind Working Group Handbook." pp. 130-133.

176

2007 CBECS Large Hospital Building FAQs  

Gasoline and Diesel Fuel Update (EIA)

FAQs Main Report | Methodology | FAQ | FAQs Main Report | Methodology | FAQ | List of Tables CBECS 2007 - Release date: August 17, 2012 How were the data collected for this study? These data were collected with the 2007 Commercial Building Energy Consumption Survey (CBECS). See the 2007 CBECS Large Hospital Building Methodology Report for details. Why are you publishing estimates only for large hospitals and not the rest of the commercial building population? A majority of the 2007 CBECS buildings were sampled from a frame that used a less expensive experimental method to update the 2003 frame for new construction. After careful analysis, EIA determined that the buildings sampled from this experimental frame were not representative of the commercial building population and therefore the 2007 CBECS sample as a

177

Passive load control for large wind turbines.  

DOE Green Energy (OSTI)

Wind energy research activities at Sandia National Laboratories focus on developing large rotors that are lighter and more cost-effective than those designed with current technologies. Because gravity scales as the cube of the blade length, gravity loads become a constraining design factor for very large blades. Efforts to passively reduce turbulent loading has shown significant potential to reduce blade weight and capture more energy. Research in passive load reduction for wind turbines began at Sandia in the late 1990's and has moved from analytical studies to blade applications. This paper discusses the test results of two Sandia prototype research blades that incorporate load reduction techniques. The TX-100 is a 9-m long blade that induces bend-twist coupling with the use of off-axis carbon in the skin. The STAR blade is a 27-m long blade that induces bend-twist coupling by sweeping the blade in a geometric fashion.

Ashwill, Thomas D.

2010-05-01T23:59:59.000Z

178

Entanglement Entropy at Large Central Charge  

E-Print Network (OSTI)

Two-dimensional conformal field theories with a large central charge and a small number of low-dimension operators are studied using the conformal block expansion. A universal formula is derived for the Renyi entropies of N disjoint intervals in the ground state, valid to all orders in a series expansion. This is possible because the full perturbative answer in this regime comes from the exchange of the stress tensor and other descendants of the vacuum state. Therefore, the Renyi entropy is related to the Virasoro vacuum block at large central charge. The entanglement entropy, computed from the Renyi entropy by an analytic continuation, decouples into a sum of single-interval entanglements. This field theory result agrees with the Ryu-Takayanagi formula for the holographic entanglement entropy of a 2d CFT, applied to any number of intervals, and thus can be interpreted as a microscopic calculation of the area of minimal surfaces in 3d gravity.

Hartman, Thomas

2013-01-01T23:59:59.000Z

179

Entanglement Entropy at Large Central Charge  

E-Print Network (OSTI)

Two-dimensional conformal field theories with a large central charge and a small number of low-dimension operators are studied using the conformal block expansion. A universal formula is derived for the Renyi entropies of N disjoint intervals in the ground state, valid to all orders in a series expansion. This is possible because the full perturbative answer in this regime comes from the exchange of the stress tensor and other descendants of the vacuum state. Therefore, the Renyi entropy is related to the Virasoro vacuum block at large central charge. The entanglement entropy, computed from the Renyi entropy by an analytic continuation, decouples into a sum of single-interval entanglements. This field theory result agrees with the Ryu-Takayanagi formula for the holographic entanglement entropy of a 2d CFT, applied to any number of intervals, and thus can be interpreted as a microscopic calculation of the area of minimal surfaces in 3d gravity.

Thomas Hartman

2013-03-27T23:59:59.000Z

180

Big Science and the Large Hadron Collider  

E-Print Network (OSTI)

The Large Hadron Collider (LHC), the particle accelerator operating at CERN, is probably the most complex and ambitious scientific project ever accomplished by humanity. The sheer size of the enterprise, in terms of financial and human resources, naturally raises the question whether society should support such costly basic-research programs. I address this question here by first reviewing the process that led to the emergence of Big Science and the role of large projects in the development of science and technology. I then compare the methodologies of Small and Big Science, emphasizing their mutual linkage. Finally, after examining the cost of Big Science projects, I highlight several general aspects of their beneficial implications for society.

Gian Francesco Giudice

2011-06-13T23:59:59.000Z

Note: This page contains sample records for the topic "alden large flume" 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

Siting technologies for large wind turbine clusters  

DOE Green Energy (OSTI)

Site selection for large wind turbine clusters requires thorough documentation of the wind characteristics at the site, because of the influence these characteristics will have on the economics, operations, and service life of the wind turbines. The wind prospecting strategy can be used by a utility to determine specific locations for each wind turbine in a cluster of 10 to 50 or more machines. The key to site selection is knowing what and where to measure. Siting techniques to be used at the various stages of the wind-prospecting strategy are discussed. These techniques help determine where to measure. What to measure at a site is still a moot question. Suggestions are made on what data are needed at what sampling rates. These are based on the assumption that until further experience in siting large clusters of wind turbines is in hand, thorough documentation of wind characteristics affecting machine and cluster output characteristics, operation strategies, and service life are necessary.

Hiester, T.R.; Pennell, W.T.

1979-11-01T23:59:59.000Z

182

Large Scale Weather Control Using Nuclear Reactors  

E-Print Network (OSTI)

It is pointed out that controlled release of thermal energy from fission type nuclear reactors can be used to alter weather patterns over significantly large geographical regions. (1) Nuclear heat creates a low pressure region, which can be used to draw moist air from oceans, onto deserts. (2) Creation of low pressure zones over oceans using Nuclear heat can lead to Controlled Cyclone Creation (CCC).(3) Nuclear heat can also be used to melt glaciers and control water flow in rivers.

Moninder Singh Modgil

2002-10-02T23:59:59.000Z

183

Higgs Physics at the Large Hadron Collider  

E-Print Network (OSTI)

A major goal of the future Large Hadron Collider will be the Higgs boson search. In this paper the discovery In this paper the discovery potential is described as a function of the Higgs mass showing that a Standard Model Higgs boson can be discovered after less than two years of running of the collider. The MSSM Higgs searches and the precision achievable on the measurement of the Higgs boson parameters are also discussed.

Davide Costanzo

2001-05-15T23:59:59.000Z

184

Warped Views on the Large Hadron Collider  

E-Print Network (OSTI)

Models with warped extra dimensions, and their strongly coupled duals, offer a nice solution to the hierarchy problem and a very appealing realisation of flavour. Compatibility with the very stringent electroweak and flavour tests have made a generic picture emerge, with a composite Higgs, partial compositeness and custodial symmetry as the main ingredients. We review the main features of this picture and discuss how -and when- models with warped extra dimensions could be discovered at the Large Hadron Collider.

Jose Santiago

2011-03-21T23:59:59.000Z

185

The promise of the large collider  

E-Print Network (OSTI)

"In 2007, the most powerful particle accelerator ever built, CERN's new Large hadron Collider, will probe the secrets of matter in the energy states prevailing in the moments after the Big Bang. By colliding particles together when they are moving at close to the speed of ight, physicists hope to find out about matter in its earliest forms, using the energy produced by the collisions." (2 pages)

2007-01-01T23:59:59.000Z

186

White dwarf cooling and large extra dimensions  

E-Print Network (OSTI)

Theories of fundamental interactions with large extra dimensions have recently become very popular. Astrophysical bounds from the Sun, red-giants and SN1987a have already been derived by other authors for the theory proposed by Arkani-Hamed, Dimopoulos and Dvali. In this paper we consider G117-B15A pulsating white dwarf (ZZ Ceti star) for which the secular rate at which the period of its fundamental mode increases has been accurately measured and claimed that this mode of G117-B15A is perhaps the most stable oscillation ever recorded in the optical band. Because an additional channel of energy loss (Kaluza-Klein gravitons) would speed up the cooling rate, one is able to use the aforementioned stability to derive a bound on theories with large extra dimensions. Within the framework of the theory with large extra dimensions proposed by Arkani-Hamed, Dimopoulos and Dvali we find the lower bound on string comapctification scale which is more stringent than solar or red-giant bounds.

Marek Biesiada; Beata Malec

2001-09-28T23:59:59.000Z

187

Innovative Approaches to Large Component Packaging  

Science Conference Proceedings (OSTI)

Radioactive waste disposal often times requires creative approaches in packaging design, especially for large components. Innovative design techniques are required to meet the needs for handling, transporting, and disposing of these large packages. Large components (i.e., Reactor Pressure Vessel (RPV) heads and even RPVs themselves) require special packaging for shielding and contamination control, as well as for transport and disposal. WMG Inc designed and used standard packaging for RPV heads without control rod drive mechanisms (CRDMs) attached for five RPV heads and has also more recently met an even bigger challenge and developed the innovative Intact Vessel Head Transport System (IVHTS) for RPV heads with CRDMs intact. This packaging system has been given a manufacturer's exemption by the United States Department of Transportation (USDOT) for packaging RPV heads. The IVHTS packaging has now been successfully used at two commercial nuclear power plants. Another example of innovative packaging is the large component packaging that WMG designed, fabricated, and utilized at the West Valley Demonstration Project (WVDP). In 2002, West Valley's high-level waste vitrification process was shut down in preparation for D and D of the West Valley Vitrification Facility. Three of the major components of concern within the Vitrification Facility were the Melter, the Concentrate Feed Makeup Tank (CFMT), and the Melter Feed Holdup Tank (MFHT). The removal, packaging, and disposition of these three components presented significant radiological and handling challenges for the project. WMG designed, fabricated, and installed special packaging for the transport and disposal of each of these three components, which eliminated an otherwise time intensive and costly segmentation process that WVDP was considering. Finally, WMG has also designed and fabricated special packaging for both the Connecticut Yankee (CY) and San Onofre Nuclear Generating Station (SONGS) RPVs. This paper presents the approach that has been successfully used for planning, implementing, and preparing for the disposition of large components such as those mentioned previously. It addresses the major regulatory and design requirements for packaging, transporting, and disposing of these components. The specific topics that are covered include radiological characterization, shielding, packaging design, on-site handling and movement, off-site transportation options, a brief discussion on disposition, and lessons learned. (authors)

Freitag, A.; Hooper, M.; Posivak, E.; Sullivan, J. [WMG, Inc., Peekskill, NY 10566 (United States)

2006-07-01T23:59:59.000Z

188

W production at large transverse momentum at the Large Hadron Collider  

E-Print Network (OSTI)

We study the production of W bosons at large transverse momentum in pp collisions at the Large Hadron Collider (LHC). We calculate the complete next-to-leading order (NLO) corrections to the differential cross section. We find that the NLO corrections provide a large increase to the cross section but, surprisingly, do not reduce the scale dependence relative to leading order (LO). We also calculate next-to-next-to-leading-order (NNLO) soft-gluon corrections and find that, although they are small, they significantly reduce the scale dependence thus providing a more stable theoretical prediction.

Richard J. Gonsalves; Nikolaos Kidonakis; Agustin Sabio Vera

2005-07-27T23:59:59.000Z

189

W Production at Large Transverse Momentum at the CERN Large Hadron Collider  

SciTech Connect

We study the production of W bosons at large transverse momentum in pp collisions at the CERN Large Hadron Collider. We calculate the complete next-to-leading order (NLO) corrections to the differential cross section. We find that the NLO corrections provide a large increase to the cross section but, surprisingly, do not reduce the scale dependence relative to leading order (LO). We also calculate next-to-next-to-leading-order (NNLO) soft-gluon corrections and find that, although they are small, they significantly reduce the scale dependence thus providing a more stable result.

Gonsalves, Richard J. [Department of Physics, University at Buffalo, State University of New York, Buffalo, New York 14260-1500 (United States); Kidonakis, Nikolaos [Kennesaw State University, Physics no. 1202, 1000 Chastain Road, Kennesaw, Georgia 30144-5591 (United States); Vera, Agustin Sabio [II. Institut fuer Theoretische Physik, Universitaet Hamburg, Luruper Chaussee 149, 22761 Hamburg (Germany)

2005-11-25T23:59:59.000Z

190

Large Bore Powder Gun Qualification (U)  

Science Conference Proceedings (OSTI)

A Large Bore Powder Gun (LBPG) is being designed to enable experimentalists to characterize material behavior outside the capabilities of the NNSS JASPER and LANL TA-55 PF-4 guns. The combination of these three guns will create a capability to conduct impact experiments over a wide range of pressures and shock profiles. The Large Bore Powder Gun will be fielded at the Nevada National Security Site (NNSS) U1a Complex. The Complex is nearly 1000 ft below ground with dedicated drifts for testing, instrumentation, and post-shot entombment. To ensure the reliability, safety, and performance of the LBPG, a qualification plan has been established and documented here. Requirements for the LBPG have been established and documented in WE-14-TR-0065 U A, Large Bore Powder Gun Customer Requirements. The document includes the requirements for the physics experiments, the gun and confinement systems, and operations at NNSS. A detailed description of the requirements is established in that document and is referred to and quoted throughout this document. Two Gun and Confinement Systems will be fielded. The Prototype Gun will be used primarily to characterize the gun and confinement performance and be the primary platform for qualification actions. This gun will also be used to investigate and qualify target and diagnostic modifications through the life of the program (U1a.104 Drift). An identical gun, the Physics Gun, will be fielded for confirmatory and Pu experiments (U1a.102D Drift). Both guns will be qualified for operation. The Gun and Confinement System design will be qualified through analysis, inspection, and testing using the Prototype Gun for the majority of process. The Physics Gun will be qualified through inspection and a limited number of qualification tests to ensure performance and behavior equivalent to the Prototype gun. Figure 1.1 shows the partial configuration of U1a and the locations of the Prototype and Physics Gun/Confinement Systems.

Rabern, Donald A. [Los Alamos National Laboratory; Valdiviez, Robert [Los Alamos National Laboratory

2012-04-02T23:59:59.000Z

191

The large scale clustering of radio sources  

E-Print Network (OSTI)

The observed two-point angular correlation function, w(theta), of mJy radio sources exhibits the puzzling feature of a power-law behaviour up to very large (almost 10 degrees) angular scales which cannot be accounted for in the standard hierarchical clustering scenario for any realistic redshift distribution of such sources. After having discarded the possibility that the signal can be explained by a high density local source population, we find no alternatives to assuming that - at variance with all the other extragalactic populations studied so far, and in particular with optically selected quasars - radio sources responsible for the large-scale clustering signal were increasingly less clustered with increasing look-back time, up to at least z=1. The data are accurately accounted for in terms of a bias function which decreases with increasing redshift, mirroring the evolution with cosmic time of the characteristic halo mass, M_{star}, entering the non linear regime. In the framework of the `concordance cosmology', the effective halo mass controlling the bias parameter is found to decrease from about 10^{15} M_{sun}/h at z=0 to the value appropriate for optically selected quasars, 10^{13} M_{sun}/h, at z=1.5. This suggests that, in the redshift range probed by the data, the clustering evolution of radio sources is ruled by the growth of large-scale structure, and that they are associated with the densest environments virializing at any cosmic epoch. The data provide only loose constraints on radio source clustering at z>1 so we cannot rule out the possibility that at these redshifts the clustering evolution of radio sources enters a different regime, perhaps similar to that found for optically selected quasars. The dependence of w(theta) on cosmological parameters is also discussed.

M. Negrello; M. Magliocchetti; G. De Zotti

2006-02-13T23:59:59.000Z

192

Stochastic aspects of nuclear large amplitude motion  

Science Conference Proceedings (OSTI)

A consistent description of the macroscopic large amplitude dynamics and processes of internal excitation of a nucleus is suggested. The cranking model approach is used for the calculation of the response function of the nucleus in a moving frame. Using spectral statistics smearing, the collective mass, friction, and diffusion coefficients are derived. The relation of the response function in a moving frame to the correlation function in a classical chaotic system is established. The rate of dissipation due to the Landau-Zener transitions and through the Kubo mechanism is considered.

Kolomietz, V.M. [Institute for Nuclear Research, 252028 Kiev, Ukraine and Cyclotron Institute, Texas A& M University, College Station, Texas 77843 (United States)] [Institute for Nuclear Research, 252028 Kiev, Ukraine and Cyclotron Institute, Texas A& M University, College Station, Texas 77843 (United States)

1995-08-01T23:59:59.000Z

193

Duct Systems in Large Commercial Buildings: Physical  

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

Duct Systems in Large Commercial Buildings: Physical Characterization, Air Leakage, and Heat Conduction Gains William 1. Fisk, Woody Delp, Rick Diamond, Darryl Dickerhoff, Ronnen Levinson, Mark Modera, Matty Nematollahi, Duo Wang Environmental Energy Technologies Division Indoor Environment Department Lawrence Berkeley National Laboratory Berkeley CA 94720 March 30, 1999 This work was supported by the Assistant Secretary for Energy Efficiency and Renewable Energy, Office of Building Technology and Community Systems, of the US Department of Energy under Contract No. DE-AC03-76SF00098 and by the California Institute For Energy Efficiency. LBNL-42339

194

INVISIBLE HIGGS IN LARGE EXTRA DIMENSION MODELS  

E-Print Network (OSTI)

In large extra dimension models the presence of an interaction between the Ricci scalar curvature and the Higgs doublet of the Standard Model can give rise to an invisible decay of the Higgs to Kaluza Klein graviscalars. The corresponding invisible width can cause a suppression of the LHC rates of a light Higgs in the visible channels below 5? in some regions of the parameter space of the model. However in such regions the Higgs can be discovered through its invisible decay. The combination of the measurements done at the LHC and the LC can determine to some accuracy the parameters of the model. 1

Daniele Dominici

2004-01-01T23:59:59.000Z

195

The Large Hadron Electron Collider Project  

E-Print Network (OSTI)

A Conceptual Design Report (CDR) for the Large Hadron Electron Collider, the LHeC, is being prepared, to which an introduction was given for the plenary panel discussion on the future of deep inelastic scattering held at DIS09. This is briefly summarised here. The CDR will comprise designs of the ep/eA collider, based on ring and linear electron accelerators, of the interaction region, designed for simultaneous $ep$ and $pp$ operation, of a new, modular detector, and it will present basics on the physics motivation for a high luminous Tera scale electron-nucleon collider as a complement to the LHC.

Max Klein

2009-08-20T23:59:59.000Z

196

String resonances at the Large Hadron Collider  

E-Print Network (OSTI)

The Large Hadron Collider promises to discover new physics beyond the Standard Model. An exciting possibility is the formation of string resonances at the TeV scale. In this article, we show how string resonances may be detected at the LHC in the $pp\\to\\gamma+jet$ channel. Our study is based on event shape variables, missing energy and momentum, maximum transverse momentum of photons and dijet invariant mass. These observables provide interesting signatures which enable us to discriminate string events from the Standard Model background.

Arunava Roy; Marco Cavaglia

2009-02-09T23:59:59.000Z

197

Dijet asymmetry at the Large Hadron Collider  

E-Print Network (OSTI)

The MARTINI numerical simulation allows for direct comparison of theoretical model calculations and the latest results for dijet asymmetry from the ATLAS and CMS collaborations. In this paper, partons are simulated as undergoing radiative and collisional processes throughout the evolution of central lead-lead collisions at the Large Hadron Collider. Using hydrodynamical background evolution determined by a simulation which fits well with the data on charged particle multiplicities from ALICE and a value of $\\alpha_s\\approx 0.25-0.3$, the dijet asymmetry is found to be consistent with partonic energy loss in a hot, strongly-interacting medium.

Clint Young; Bjrn Schenke; Sangyong Jeon; Charles Gale

2011-03-29T23:59:59.000Z

198

Proposal to produce large compact toroids  

SciTech Connect

Relatively large, hot compact toroids might be produced in the annular space between two concentric one-turn coils. With currents in the two coils flowing in the same direction, the magnetic fields on each side of the plasma are in opposite directions. As the fields are raised, the plasma ring is heated and compressed radially towards the center of the annular space. By the addition of two sets of auxiliary coils, the plasma ring can be ejected out one end of the two-coil system into a long axial magnetic field.

Phillips, J.A.

1981-03-01T23:59:59.000Z

199

2 Large-Scale Data Sets  

E-Print Network (OSTI)

help in preparing this material. Computational Science ? Use of computer simulation as a tool for greater understanding of the real world Complements experimentation and theory ? Problems are increasingly computationally challenging Large parallel machines needed to perform calculations Critical to leverage parallelism in all phases ? Data access is a huge challenge Using parallelism to obtain performance Finding usable, efficient, portable interfaces Understanding and tuning I/O IBM BG/L system. Visualization of entropy in Terascale Supernova Initiative application. Image from Kwan-Liu Mas visualization team at UC Davis. Argonne National

Rob Ross; Thanks To Rob Latham; Rajeev Thakur; Marc Unangst; Brent Welch For Their

2009-01-01T23:59:59.000Z

200

Large-Scale PV Integration Study  

DOE Green Energy (OSTI)

This research effort evaluates the impact of large-scale photovoltaic (PV) and distributed generation (DG) output on NV Energys electric grid system in southern Nevada. It analyzes the ability of NV Energys generation to accommodate increasing amounts of utility-scale PV and DG, and the resulting cost of integrating variable renewable resources. The study was jointly funded by the United States Department of Energy and NV Energy, and conducted by a project team comprised of industry experts and research scientists from Navigant Consulting Inc., Sandia National Laboratories, Pacific Northwest National Laboratory and NV Energy.

Lu, Shuai; Etingov, Pavel V.; Diao, Ruisheng; Ma, Jian; Samaan, Nader A.; Makarov, Yuri V.; Guo, Xinxin; Hafen, Ryan P.; Jin, Chunlian; Kirkham, Harold; Shlatz, Eugene; Frantzis, Lisa; McClive, Timothy; Karlson, Gregory; Acharya, Dhruv; Ellis, Abraham; Stein, Joshua; Hansen, Clifford; Chadliev, Vladimir; Smart, Michael; Salgo, Richard; Sorensen, Rahn; Allen, Barbara; Idelchik, Boris

2011-07-29T23:59:59.000Z

Note: This page contains sample records for the topic "alden large flume" 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

Very Large Aperture Diffractive Space Telescope  

DOE Patents (OSTI)

A very large (10's of meters) aperture space telescope including two separate spacecraft--an optical primary functioning as a magnifying glass and an optical secondary functioning as an eyepiece. The spacecraft are spaced up to several kilometers apart with the eyepiece directly behind the magnifying glass ''aiming'' at an intended target with their relative orientation determining the optical axis of the telescope and hence the targets being observed. The magnifying glass includes a very large-aperture, very-thin-membrane, diffractive lens, e.g., a Fresnel lens, which intercepts incoming light over its full aperture and focuses it towards the eyepiece. The eyepiece has a much smaller, meter-scale aperture and is designed to move along the focal surface of the magnifying glass, gathering up the incoming light and converting it to high quality images. The positions of the two space craft are controlled both to maintain a good optical focus and to point at desired targets.

Hyde, Roderick Allen

1998-04-20T23:59:59.000Z

202

Large orders in strong-field QED  

E-Print Network (OSTI)

We address the issue of large-order expansions in strong-field QED. Our approach is based on the one-loop effective action encoded in the associated photon polarisation tensor. We concentrate on the simple case of crossed fields aiming at possible applications of high-power lasers to measure vacuum birefringence. A simple next-to-leading order derivative expansion reveals that the indices of refraction increase with frequency. This signals normal dispersion in the small-frequency regime where the derivative expansion makes sense. To gain information beyond that regime we determine the factorial growth of the derivative expansion coefficients evaluating the first 80 orders by means of computer algebra. From this we can infer a nonperturbative imaginary part for the indices of refraction indicating absorption (pair production) as soon as energy and intensity become (super)critical. These results compare favourably with an analytic evaluation of the polarisation tensor asymptotics. Kramers-Kronig relations finally allow for a nonperturbative definition of the real parts as well and show that absorption goes hand in hand with anomalous dispersion for sufficiently large frequencies and fields.

Thomas Heinzl; Oliver Schroeder

2006-05-12T23:59:59.000Z

203

Massachusetts Large Blade Test Facility Final Report  

DOE Green Energy (OSTI)

Project Objective: The Massachusetts Clean Energy Center (CEC) will design, construct, and ultimately have responsibility for the operation of the Large Wind Turbine Blade Test Facility, which is an advanced blade testing facility capable of testing wind turbine blades up to at least 90 meters in length on three test stands. Background: Wind turbine blade testing is required to meet international design standards, and is a critical factor in maintaining high levels of reliability and mitigating the technical and financial risk of deploying massproduced wind turbine models. Testing is also needed to identify specific blade design issues that may contribute to reduced wind turbine reliability and performance. Testing is also required to optimize aerodynamics, structural performance, encourage new technologies and materials development making wind even more competitive. The objective of this project is to accelerate the design and construction of a large wind blade testing facility capable of testing blades with minimum queue times at a reasonable cost. This testing facility will encourage and provide the opportunity for the U.S wind industry to conduct more rigorous testing of blades to improve wind turbine reliability.

Rahul Yarala; Rob Priore

2011-09-02T23:59:59.000Z

204

Multiscale Large Eddy States in Weakly Stratified Planetary Boundary Layers  

Science Conference Proceedings (OSTI)

We first discuss observations of two classes of two-dimensional large eddy states in weakly stratified atmospheric boundary layers. One class is characterized by large eddies with a single horizontal scale. The other contains multiscale large ...

Pierre D. Mourad; Robert A. Brown

1990-02-01T23:59:59.000Z

205

Large Amplitude Flow Anomalies in Northern Hemisphere Midlatitudes  

Science Conference Proceedings (OSTI)

The composite of large amplitude flow anomalies identified from extremely large amplitudes of the planetary-scale waves is examined in terms of the temporal and spatial evolution of both the large-scale flow and the storm tracks. The ...

Anthony R. Hansen; Alfonso Sutera

1995-06-01T23:59:59.000Z

206

Strategies to Finance Large-Scale Deployment of Renewable Energy...  

Open Energy Info (EERE)

Large-Scale Deployment of Renewable Energy Projects: An Economic Development and Infrastructure Approach Jump to: navigation, search Name Strategies to Finance Large-Scale...

207

Large Scale Computing and Storage Requirements for Advanced Scientific...  

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

Large Scale Computing and Storage Requirements for Advanced Scientific Computing Research: Target 2014 ASCRFrontcover.png Large Scale Computing and Storage Requirements for...

208

Duct systems in large commercial buildings: physical characterization...  

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

Duct systems in large commercial buildings: physical characterization, air leakage and heat conduction gains Title Duct systems in large commercial buildings: physical...

209

Large Scale Quantum-mechanical Calculations of Proteins, Nanomaterials...  

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

Large Scale Quantum-mechanical Calculations of Proteins, Nanomaterials and Other Large Systems Event Sponsor: Leadership Computing Facility Seminar Start Date: Dec 5 2013 - 2:00pm...

210

DOE Issues Enforcement Guidance on Large-Capacity Clothes Washer...  

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

Enforcement Guidance on Large-Capacity Clothes Washer Waivers and the Waiver Process DOE Issues Enforcement Guidance on Large-Capacity Clothes Washer Waivers and the Waiver Process...

211

MTC Envelope: Defining the Capability of Large Scale Computers...  

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

MTC Envelope: Defining the Capability of Large Scale Computers in the Context of Parallel Scripting Applications Title MTC Envelope: Defining the Capability of Large Scale...

212

Graph Invariants and Large Cycles - a Survey  

E-Print Network (OSTI)

Graph invariants are the best and single tools for investigation of abstract structures of graphs. They, combined in convenient relations, carry global and general information about a graph and its various substructures (cycle structures, factors, colorings, coverings, and so on). In this survey paper we have attempted to bring together all direct (pure) relations between basic invariants of a graph and its large cycle structures, perhaps the most important cycle structures, namely Hamilton, longest, dominating and some generalized cycles including Hamilton and dominating cycles as special cases. These very few relations actually form a source (basis) from which nearly all possible hamiltonian results can be developed further based on generalized and extended invariants, extended list of path or cycle structures and additional structural limitations.

Nikoghosyan, Zh G

2010-01-01T23:59:59.000Z

213

Strongly Coupled Striped Superconductor with Large Modulation  

E-Print Network (OSTI)

We analytically calculate properties of a strongly coupled striped superconductor, with the charge density wave sourced by a modulated chemical potential, in the large modulation wavenumber Q limit. In the absence of a homogeneous term in the chemical potential, we show that the critical temperature scales as a negative power of Q for scaling dimensions \\Delta 3/2, there is no phase transition above a certain critical value of Q. The condensate is found to scale as a positive power of Q such that the gap is proportional to Q. We discuss how these results change if a homogeneous term is added to the chemical potential. We compare our analytic results with numerical calculations whenever the latter are available and find good agreement.

Jimmy A. Hutasoit; Suman Ganguli; George Siopsis; Jason Therrien

2011-10-20T23:59:59.000Z

214

Large electrical-energy storage facilities  

SciTech Connect

Problems associated with the utilization of various types of energy-storage facilities are considered, three areas being singled out: operation during the variable portion of the load curve with double regulation effect, handling of peaks and the filling in of off-peak dips in the load curve; the generation of power impulses through the use of stored energy for short-term supply of load; and the conversion of one form of energy to another. The present-day state of development and introduction of storage facilities of various kinds is described. The conditions for utilization of large-scale storage on the power systems of the USSR are evaluated, and the principles for determining the economic efficiency are formulated.

Ershevich, V.V.

1985-01-01T23:59:59.000Z

215

2007 CBECS Large Hospital Building Methodology Report  

Gasoline and Diesel Fuel Update (EIA)

Methodology Report Main Report | Methodology Report Main Report | Methodology | FAQ | List of Tables CBECS 2007 - Release date: August 17, 2012 Data Collection The data in the Energy Characteristics and Energy Consumed in Large Hospital Buildings in the United States in 2007 report and accompanying tables were collected in the 2007 round of the Commercial Buildings Energy Consumption Survey (CBECS). CBECS is a quadrennial survey is conducted by the Energy Information Administration (EIA) to provide basic statistical information about energy consumption and expenditures in United States commercial buildings and information about energy-related characteristics of these buildings. The survey was conducted in two phases, the Building Characteristics Survey and the Energy Supplier Survey. The Building Characteristics Survey collects information about selected

216

Status of the large wind turbine handbook  

DOE Green Energy (OSTI)

The site-selection strategy presented here and in the LWH is conservative, partially because utilities are conservative. They should be. The large-scale generation of electricity by wind turbine generators is an unproven technology. It is assumed that wind characteristics at a site will have to be thoroughly documented. This is because the nature of the wind at the site not only governs the energy output of the WECS farm, but also affects the service life of the wind equipment and both scheduled and unscheduled maintenance costs. Perhaps as experience is gained, the site-selection process can be simplified. Certain steps may be found unnecessary, or requirements on the quantity and quality of wind data collected at each step may be relaxed; however, at this stage of wind energy development, a conservative approach seems prudent.

Heister, T. R.; Pennell, W. T.

1979-12-01T23:59:59.000Z

217

Subcritical string and large N QCD  

Science Conference Proceedings (OSTI)

We pursue the possibility of using subcritical string theory in 4 spacetime dimensions to establish a string dual for large N QCD. In particular we study the even G-parity sector of the 4 dimensional Neveu-Schwarz dual resonance model as the natural candidate for this string theory. Our point of view is that the open string dynamics given by this model will determine the appropriate subcritical closed string theory, a tree level background of which should describe the sum of planar multiloop open string diagrams. We examine the one-loop open string diagram, which contains information about the closed string spectrum at weak coupling. Higher loop open string diagrams will be needed to determine closed string interactions. We also analyze the field theory limit of the one-loop open string diagram and recover the correct running coupling behavior of the limiting gauge theory.

Thorn, Charles B. [Institute for Fundamental Theory, Department of Physics, University of Florida, Gainesville Florida 32611 (United States)

2008-10-15T23:59:59.000Z

218

Subcritical String and Large N QCD  

E-Print Network (OSTI)

We pursue the possibility of using subcritical string theory in 4 space-time dimensions to establish a string dual for large N QCD. In particular we study the even G-parity sector of the 4 dimensional Neveu-Schwarz dual resonance model as the natural candidate for this string theory. Our point of view is that the open string dynamics given by this model will {\\it determine} the appropriate subcritical closed string theory, a tree level background of which should describe the sum of planar multi-loop open string diagrams. We examine the one loop open string diagram, which contains information about the closed string spectrum at weak coupling. Higher loop open string diagrams will be needed to determine closed string interactions. We also analyze the field theory limit of the one loop open string diagram and recover the correct running coupling behavior of the limiting gauge theory.

Thorn, Charles B

2008-01-01T23:59:59.000Z

219

System for inspecting large size structural components  

DOE Patents (OSTI)

The present invention relates to a system for inspecting large scale structural components such as concrete walls or the like. The system includes a mobile gamma radiation source and a mobile gamma radiation detector. The source and detector are constructed and arranged for simultaneous movement along parallel paths in alignment with one another on opposite sides of a structural component being inspected. A control system provides signals which coordinate the movements of the source and detector and receives and records the radiation level data developed by the detector as a function of source and detector positions. The radiation level data is then analyzed to identify areas containing defects corresponding to unexpected variations in the radiation levels detected.

Birks, Albert S. (Columbus, OH); Skorpik, James R. (Kennewick, WA)

1990-01-01T23:59:59.000Z

220

Eight light flavors on large lattice volumes  

E-Print Network (OSTI)

I present first results from large-scale lattice investigations of SU(3) gauge theory with eight light flavors in the fundamental representation. Using leadership computing resources at Argonne, we are generating gauge configurations with lattice volumes up to $64^3\\times128$ at relatively strong coupling, in an attempt to access the chiral regime. We use nHYP-improved staggered fermions, carefully monitoring finite-volume effects and other systematics. Here I focus on analyses of the light hadron spectrum and chiral condensate, measured on lattice volumes up to $48^3\\times96$ with fermion masses as light as m=0.004 in lattice units. We find no clear indication of spontaneous chiral symmetry breaking in these observables. I discuss the implications of these initial results, and prospects for further physics projects employing these ensembles of gauge configurations.

David Schaich

2013-10-25T23:59:59.000Z

Note: This page contains sample records for the topic "alden large flume" 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

Meteorological aspects of siting large wind turbines  

DOE Green Energy (OSTI)

This report, which focuses on the meteorological aspects of siting large wind turbines (turbines with a rated output exceeding 100 kW), has four main goals. The first is to outline the elements of a siting strategy that will identify the most favorable wind energy sites in a region and that will provide sufficient wind data to make responsible economic evaluations of the site wind resource possible. The second is to critique and summarize siting techniques that were studied in the Department of Energy (DOE) Wind Energy Program. The third goal is to educate utility technical personnel, engineering consultants, and meteorological consultants (who may have not yet undertaken wind energy consulting) on meteorological phenomena relevant to wind turbine siting in order to enhance dialogues between these groups. The fourth goal is to minimize the chances of failure of early siting programs due to insufficient understanding of wind behavior.

Hiester, T.R.; Pennell, W.T.

1981-01-01T23:59:59.000Z

222

Storage and retrieval of large digital images  

DOE Patents (OSTI)

Image compression and viewing are implemented with (1) a method for performing DWT-based compression on a large digital image with a computer system possessing a two-level system of memory and (2) a method for selectively viewing areas of the image from its compressed representation at multiple resolutions and, if desired, in a client-server environment. The compression of a large digital image I(x,y) is accomplished by first defining a plurality of discrete tile image data subsets T{sub ij}(x,y) that, upon superposition, form the complete set of image data I(x,y). A seamless wavelet-based compression process is effected on I(x,y) that is comprised of successively inputting the tiles T{sub ij}(x,y) in a selected sequence to a DWT routine, and storing the resulting DWT coefficients in a first primary memory. These coefficients are periodically compressed and transferred to a secondary memory to maintain sufficient memory in the primary memory for data processing. The sequence of DWT operations on the tiles T{sub ij}(x,y) effectively calculates a seamless DWT of I(x,y). Data retrieval consists of specifying a resolution and a region of I(x,y) for display. The subset of stored DWT coefficients corresponding to each requested scene is determined and then decompressed for input to an inverse DWT, the output of which forms the image display. The repeated process whereby image views are specified may take the form an interaction with a computer pointing device on an image display from a previous retrieval. 6 figs.

Bradley, J.N.

1998-01-20T23:59:59.000Z

223

Search for Large Extra Dimensions in the Diphoton Final State at the Large Hadron Collider  

E-Print Network (OSTI)

A search for large extra spatial dimensions via virtual-graviton exchange in the diphoton channel has been carried out with the CMS detector at the LHC. No excess of events above the standard model expectations is found using a data sample collected in proton-proton collisions at sqrt(s) = 7 TeV and corresponding to an integrated luminosity of 36 inverse picobarns. New lower limits on the effective Planck scale in the range of 1.6-2.3 TeV at the 95% confidence level are set, providing the most restrictive bounds to date on models with more than two large extra dimensions.

CMS Collaboration

2011-03-22T23:59:59.000Z

224

Hanford as a site for large accelerators  

SciTech Connect

The Ramsey Panel recommended that two very large accelerators be constructed during the next few years to meet urgent U. S. needs in high energy physics. Two studies have been made. The Lawrence Radiation Laboratory at Berkeley has studied a 200 to 300 BeV accelerator, while the Brooknaven National Laboratory on Long Island has made an analysis of a still larger accelerator--600 to 800 BeV. This special report is in response to a request for information on the suitability of the Atomic Energy Commission' s Hanford Project as a site for a large accelerator. Using criteria recommended by Lawrence and Brookhaven, the Hanford site offers significant economic advantages both in original installed cost and in annual operating expense. These advantages are: (1) Land--Hanford has available more than 150 square miles of govermnentowned land that readily meets topographic, geologic, and seismic criteria; (2) Power--- Hanford has surplus electrical capacity already installed to meet the demands of the largest accelerator--- at the lowest rates in the U. S. This alone offers an annual savings of several million dollars over any other location; (3) Water--- the Columbia River offers the largest supply of pure, cold water in the U. S.; there are excellent surplus reactor water plants available; (4) Transportation---four major railroads have direct connections to the Hanford Project rail system; multi- 1000-ton barge service is also available; (5) manpower---a high level of scientific and technical personnel as well as construction and craft labor is already in residence; (6) Services---complete support-type services, such as industrial shops, bus transportation, radiation protection, and plant security, are immediately available; and (7) Community--the area has an exceptionally high educational level, equal to the outstanding areas of the U. S. At the present time, the Hanford location has some disadvantages according to the cited criteria. These are: (1) lack of proximity to a university; (2) lack of a major jet airport; and (3) relative isolation from a major metropolitan area. The first two are even now under vigorous study and action by both state and local bodies. The third, though often a disadvantage, appears to have considerable appeal to many. In total, the many tangible assets of the Hanford Project offer tremendous potential dollar savings to the Government. The shutdown of preduction reactors makes many millions of dollars worth of excellent support facilities and manpower readily available. The minor disadvantages can be met almost entirely by the state and community. (auth)

Leonard, B.R. Jr.

1965-01-01T23:59:59.000Z

225

Evaluation of retrocommissioning persistence in large commercialbuildings  

SciTech Connect

Commercial Building Retrocommissioning activity has increased in recent years. This paper discusses LBNL's recently conducted study of 8 participants in the Sacramento Municipal Utility District Retrocommissioning program. We evaluated the persistence of energy savings and measure implementation, in an effort to identify and understand factors that can improve the longevity of retrocommissioning benefits. The LBNL analysis included a whole-building and measure status analysis, incorporating elements of previous work by Texas A&M University and Portland Energy Conservation Inc. Included in the energy analysis were whole building calculated energy savings and consideration of effects from the 2001 energy crisis. The measure persistence analysis examined each recommended measure and it's current operational status. Results showed a 59% implementation rate of recommended measures. Some process findings were: (1) Building engineers will tweak a measure that didn't work, instead of reverting to the pre-retrocommissioning settings; (2) A majority of the implementation costs were absorbed into regular operation and maintenance budgets; (3) The most frequently reported down side was the large time demands on the building engineering staff. However, all respondents thought it was worth the price; (4) All the sites said that retrocommissioning is beneficial to their operations, due to ongoing training and continuous improvement of system specifications; and (5) Approximately 65% of the peak retrocommissioning savings persisted beyond four years.

Bourassa, Norman J.; Piette, Mary Ann; Motegi, Naoya

2004-05-01T23:59:59.000Z

226

Evaluation of retrocommissioning persistence in large commercialbuildings  

SciTech Connect

Commercial Building Retrocommissioning activity has increased in recent years. This paper discusses LBNL's recently conducted study of 8 participants in the Sacramento Municipal Utility District Retrocommissioning program. We evaluated the persistence of energy savings and measure implementation, in an effort to identify and understand factors that can improve the longevity of retrocommissioning benefits. The LBNL analysis included a whole-building and measure status analysis, incorporating elements of previous work by Texas A&M University and Portland Energy Conservation Inc. Included in the energy analysis were whole building calculated energy savings and consideration of effects from the 2001 energy crisis. The measure persistence analysis examined each recommended measure and it's current operational status. Results showed a 59% implementation rate of recommended measures. Some process findings were: (1) Building engineers will tweak a measure that didn't work, instead of reverting to the pre-retrocommissioning settings; (2) A majority of the implementation costs were absorbed into regular operation and maintenance budgets; (3) The most frequently reported down side was the large time demands on the building engineering staff. However, all respondents thought it was worth the price; (4) All the sites said that retrocommissioning is beneficial to their operations, due to ongoing training and continuous improvement of system specifications; and (5) Approximately 65% of the peak retrocommissioning savings persisted beyond four years.

Bourassa, Norman J.; Piette, Mary Ann; Motegi, Naoya

2004-05-01T23:59:59.000Z

227

The Large Area Lyman Alpha Survey  

E-Print Network (OSTI)

The Lyman-$\\alpha$ line is expected to be strong in the presence of active star formation and the absence of dust, making it a good tool for finding chemically primitive galaxies in the early universe. We report on a new survey for high redshift Lyman-$\\alpha$ sources, the Large Area Lyman Alpha (LALA) survey. Our survey achieves an unprecedented combination of volume and sensitivity by using narrow-band filters on the new $8192^2$ pixel CCD Mosaic Camera at the 4 meter Mayall telescope of Kitt Peak National Observatory. Well-detected sources with flux and equivalent width matching known high redshift Lyman-$\\alpha$ galaxies have an observed surface density corresponding to $11000 \\pm 700$ per square degree per unit redshift at $z=4.5$. Early spectroscopic followup from the Keck telescope suggests that $\\sim 1/3$ of these are actually at $z\\approx 4.5$, and has confirmed five $z > 4$ Lyman-$\\alpha$ emitters so far. Combining our photometric survey with spectroscopic results, we estimate a net density of $\\sim...

Rhoads, J E; Dey, A; Jannuzi, B T; Stern, D; Spinrad, H; Rhoads, James E.; Malhotra, Sangeeta; Dey, Arjun; Jannuzi, Buell T.; Stern, Daniel

2001-01-01T23:59:59.000Z

228

Cost Study for Large Wind Turbine Blades  

SciTech Connect

The cost study for large wind turbine blades reviewed three blades of 30 meters, 50 meters, and 70 meters in length. Blade extreme wind design loads were estimated in accordance with IEC Class I recommendations. Structural analyses of three blade sizes were performed at representative spanwise stations assuming a stressed shell design approach and E-glass/vinylester laminate. A bill of materials was prepared for each of the three blade sizes using the laminate requirements prepared during the structural analysis effort. The labor requirements were prepared for twelve major manufacturing tasks. TPI Composites developed a conceptual design of the manufacturing facility for each of the three blade sizes, which was used for determining the cost of labor and overhead (capital equipment and facilities). Each of the three potential manufacturing facilities was sized to provide a constant annual rated power production (MW per year) of the blades it produced. The cost of the production tooling and overland transportation was also estimated. The results indicate that as blades get larger, materials become a greater proportion of total cost, while the percentage of labor cost is decreased. Transportation costs decreased as a percentage of total cost. The study also suggests that blade cost reduction efforts should focus on reducing material cost and lowering manufacturing labor, because cost reductions in those areas will have the strongest impact on overall blade cost.

ASHWILL, THOMAS D.

2003-05-01T23:59:59.000Z

229

Large hydrofoil transmission system study. Final report  

SciTech Connect

This report presents the results of a study to determine the performance and physical characteristics of an ac electrical system intended for use as the propulsion system of large hydrofoils. Section I provides a technical description of the system in terms of performance, weight and component characteristics. Section II describes anticipated problems associated with development of the system and its components, and includes activities through design and fabrication, and qualification of an integrated system. Two system configurations are considereed in this study. Configuration I which is the preferred one, consists of two direct-turbine-driven ac generators supplying electrical power to either foilborne or hullborne propeller induction drive motors. Conventional switchgear is used for connecting the generator to either the foil or hull drive motors. Each induction motor supplies power to a fixed pitch propeller via a planetary type gearbox. Speed and power output of each induction motor is controlled by fuel to the turbine. Configuration II consists of independent foilborne and hullborne propulsion systems. For takeoff and foilborne operation, two direct LM2500 turbine-drive ac generators supply electrical power to the foil propeller induction motors. Operation in this mode is identical to Configuration I. Configuration II provides a trade off between greater system weight, against a lower hullborne fuel consumption rate obtained by operating smaller turbines in hullborne mode. This provides, potentially, a greater hullborne range.

1977-10-11T23:59:59.000Z

230

Multilevel converters for large electric drives  

SciTech Connect

Traditional two-level high frequency pulse width modulation (PWM) inverters for motor drives have several problems associated with their high frequency switching which produces common-mode voltage and high voltage change (dV/dt) rates to the motor windings. Multilevel inverters solve these problems because their devices can switch at a much lower frequency. Two different multilevel topologies are identified for use as a converter for electric drives, a cascade inverter with separate dc sources and a back-to-back diode clamped converter. The cascade inverter is a natural fit for large automotive all electric drives because of the high VA ratings possible and because it uses several levels of dc voltage sources which would be available from batteries or fuel cells. The back to back diode damped converter is ideal where a source of ac voltage is available such as a hybrid electric vehicle. Simulation and experimental results show the superiority of these two converters over PWM based drives.

Tolbert, L.M.; Peng, F.Z.

1997-11-01T23:59:59.000Z

231

Metal Cutting for Large Component Removal  

Science Conference Proceedings (OSTI)

Decommissioning of commercial nuclear power plants presents technological challenges. One major challenge is the removal of large components mainly consisting of the reactor vessel, steam generators and pressurizer. In order to remove and package these large components nozzles must be cut from the reactor vessel to precise tolerances. In some cases steam generators must be segmented for size and weight reduction. One innovative technology that has been used successfully at several commercial nuclear plant decommissioning is diamond wire sawing. Diamond wire sawing is performed by rotating a cable with diamond segments attached using a flywheel approximately 24 inches in diameter driven remotely by a hydraulic pump. Tension is provided using a gear rack drive which also takes up the slack in the wire. The wire is guided through the use of pulleys keeps the wire in a precise location. The diamond wire consists of 1/4 inch aircraft cable with diamond beads strung over the cable separated by springs and brass crimps. Standard wire contains 40 diamond beads per meter and can be made to any length. Cooling the wire and controlling the spread of contamination presents significant challenges. Under normal circumstances the wire is cooled and the cutting kerf cleaned by using water. In some cases of reactor nozzle cuts the use of water is prohibited because it cannot be controlled. This challenge was solved by using liquid Carbon Dioxide as the cooling agent. The liquid CO{sub 2} is passed through a special nozzle which atomizes the liquid into snowflakes which is introduced under pressure to the wire. The snowflakes attach to the wire keeping it cool and to the metal shavings. As the CO{sub 2} and metal shavings are released from the wire due to its fast rotation, the snowflakes evaporate leaving only the fine metal shavings as waste. Secondary waste produced is simply the small volume of fine metal shavings removed from the cut surface. Diamond wire sawing using CO{sub 2} cooling has been employed for cutting the reactor nozzles at San Onofre Unit 1 and at Connecticut Yankee. These carbon steel nozzles ranged up to 54 inch diameter with a 15 inch thick wall and an interior stainless cladding. Diamond wire sawing using traditional water cooling has been used to segment the reactor head at Rancho Seco and for cutting reactor nozzles and control rod drive tubes at Dairyland Power's Lacrosse BWR project. Advantages: - ALARA: All cutting is preformed remotely significantly reducing dose. Stringing of wires is accomplished using long handle tools. - Secondary waste is reduced to just the volume of material cut with the diamond wire. - The potential for airborne contamination is eliminated. Due to the flexibility of the wire, any access restrictions and interferences can be accommodated using pulleys and long handle tools. - The operation is quiet. Disadvantages: - With Liquid Carbon Dioxide cooling and cleaning, delivery of the material must be carefully planned. The longer the distance from the source to the cut area, the greater the chance for pressure drop and subsequent problems with line freezing. - Proper shrouding and ventilation are required for environmental reasons. In each case, the metal structures were cut at a precise location. Radiation dose was reduced significantly by operating the equipment from a remote location. The cuts were very smooth and completed on schedule. Each project must be analyzed individually and take into account many factors including access, radiological conditions, environmental conditions, schedule requirements, packaging requirements and size of cuts.

Hulick, Robert M. [Bluegrass Concrete Cutting Inc., 107 Mildred Street PO Box 427, Greenville, Alabama 36037 (United States)

2008-01-15T23:59:59.000Z

232

The Large Area Lyman Alpha Survey  

E-Print Network (OSTI)

The Lyman-$\\alpha$ line is expected to be strong in the presence of active star formation and the absence of dust, making it a good tool for finding chemically primitive galaxies in the early universe. We report on a new survey for high redshift Lyman-$\\alpha$ sources, the Large Area Lyman Alpha (LALA) survey. Our survey achieves an unprecedented combination of volume and sensitivity by using narrow-band filters on the new $8192^2$ pixel CCD Mosaic Camera at the 4 meter Mayall telescope of Kitt Peak National Observatory. Well-detected sources with flux and equivalent width matching known high redshift Lyman-$\\alpha$ galaxies have an observed surface density corresponding to $11000 \\pm 700$ per square degree per unit redshift at $z=4.5$. Early spectroscopic followup from the Keck telescope suggests that $\\sim 1/3$ of these are actually at $z\\approx 4.5$, and has confirmed five $z > 4$ Lyman-$\\alpha$ emitters so far. Combining our photometric survey with spectroscopic results, we estimate a net density of $\\sim 4000 $ Lyman-$\\alpha$ emitters per square degree per unit redshift at $z\\approx 4.5$. The star formation rate density (estimated both from UV continuum and from line emission) is comparable to that of the Lyman break galaxy population within present uncertainties. The most extreme Lyman-$\\alpha$ emitters in our sample have rest frame equivalent widths $> 100\\AA$, consistent with the expectations for the first burst of star formation in a primitive, dust-free galaxy.

James E. Rhoads; Sangeeta Malhotra; Arjun Dey; Buell T. Jannuzi; Daniel Stern; Hyron Spinrad

2001-04-18T23:59:59.000Z

233

Algorithms for Large-Scale Internet Measurements  

E-Print Network (OSTI)

As the Internet has grown in size and importance to society, it has become increasingly difficult to generate global metrics of interest that can be used to verify proposed algorithms or monitor performance. This dissertation tackles the problem by proposing several novel algorithms designed to perform Internet-wide measurements using existing or inexpensive resources. We initially address distance estimation in the Internet, which is used by many distributed applications. We propose a new end-to-end measurement framework called Turbo King (T-King) that uses the existing DNS infrastructure and, when compared to its predecessor King, obtains delay samples without bias in the presence of distant authoritative servers and forwarders, consumes half the bandwidth, and reduces the impact on caches at remote servers by several orders of magnitude. Motivated by recent interest in the literature and our need to find remote DNS nameservers, we next address Internet-wide service discovery by developing IRLscanner, whose main design objectives have been to maximize politeness at remote networks, allow scanning rates that achieve coverage of the Internet in minutes/hours (rather than weeks/months), and significantly reduce administrator complaints. Using IRLscanner and 24-hour scan durations, we perform 20 Internet-wide experiments using 6 different protocols (i.e., DNS, HTTP, SMTP, EPMAP, ICMP and UDP ECHO). We analyze the feedback generated and suggest novel approaches for reducing the amount of blowback during similar studies, which should enable researchers to collect valuable experimental data in the future with significantly fewer hurdles. We finally turn our attention to Intrusion Detection Systems (IDS), which are often tasked with detecting scans and preventing them; however, it is currently unknown how likely an IDS is to detect a given Internet-wide scan pattern and whether there exist sufficiently fast stealth techniques that can remain virtually undetectable at large-scale. To address these questions, we propose a novel model for the windowexpiration rules of popular IDS tools (i.e., Snort and Bro), derive the probability that existing scan patterns (i.e., uniform and sequential) are detected by each of these tools, and prove the existence of stealth-optimal patterns.

Leonard, Derek Anthony

2010-12-01T23:59:59.000Z

234

Large-Scale Aspects of the United States Hydrologic Cycle  

Science Conference Proceedings (OSTI)

A large-scale, gridpoint, atmospheric, hydrologic climatology consisting of atmospheric precipitable water, precipitation, atmospheric moisture flux convergence, and a residual evaporation for the conterminous United States is described. A large-...

John O. Roads; Shyh-C. Chen; Alexander K. Guetter; Konstantine P. Georgakakos

1994-09-01T23:59:59.000Z

235

Vermont's At-large congressional district: Energy Resources | Open Energy  

Open Energy Info (EERE)

Vermont's At-large congressional district: Energy Resources Vermont's At-large congressional district: Energy Resources Jump to: navigation, search Equivalent URI DBpedia This article is a stub. You can help OpenEI by expanding it. This page represents a congressional district in Vermont. Contents 1 US Recovery Act Smart Grid Projects in Vermont's At-large congressional district 2 Registered Policy Organizations in Vermont's At-large congressional district 3 Registered Energy Companies in Vermont's At-large congressional district 4 Energy Generation Facilities in Vermont's At-large congressional district US Recovery Act Smart Grid Projects in Vermont's At-large congressional district Vermont Transco, LLC Smart Grid Project Registered Policy Organizations in Vermont's At-large congressional district Clean Energy States Alliance

236

Federal Energy Management Program: Large-scale Renewable Energy Projects  

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

Large-scale Large-scale Renewable Energy Projects (Larger than 10 MWs) to someone by E-mail Share Federal Energy Management Program: Large-scale Renewable Energy Projects (Larger than 10 MWs) on Facebook Tweet about Federal Energy Management Program: Large-scale Renewable Energy Projects (Larger than 10 MWs) on Twitter Bookmark Federal Energy Management Program: Large-scale Renewable Energy Projects (Larger than 10 MWs) on Google Bookmark Federal Energy Management Program: Large-scale Renewable Energy Projects (Larger than 10 MWs) on Delicious Rank Federal Energy Management Program: Large-scale Renewable Energy Projects (Larger than 10 MWs) on Digg Find More places to share Federal Energy Management Program: Large-scale Renewable Energy Projects (Larger than 10 MWs) on

237

South Dakota's At-large congressional district: Energy Resources | Open  

Open Energy Info (EERE)

Dakota's At-large congressional district: Energy Resources Dakota's At-large congressional district: Energy Resources Jump to: navigation, search Equivalent URI DBpedia This article is a stub. You can help OpenEI by expanding it. This page represents a congressional district in South Dakota. Contents 1 US Recovery Act Smart Grid Projects in South Dakota's At-large congressional district 2 Registered Research Institutions in South Dakota's At-large congressional district 3 Registered Policy Organizations in South Dakota's At-large congressional district 4 Registered Energy Companies in South Dakota's At-large congressional district 5 Utility Companies in South Dakota's At-large congressional district US Recovery Act Smart Grid Projects in South Dakota's At-large congressional district Black Hills Power, Inc. Smart Grid Project

238

Approach for modelling of large maritime infrastructure systems  

Science Conference Proceedings (OSTI)

Simulation studies for large infrastructure systems often consists of a large number of experiments. Performing all experiments, and the required adjustments to simulation models, is time consuming. In addition it is difficult to keep track of all performed ...

Edwin C. Valentin; Sicco Steijaert; Rienk A. Bijlsma; Piero Silva

2005-12-01T23:59:59.000Z

239

Complexity cost analysis in a large product line  

E-Print Network (OSTI)

Hewlett-Packard's Industry Standard Servers (ISS) organization offers a large variety of server computers and accessories. The large range of options available to its customers gives way to complex processes and less than ...

Landivar Chvez, Jos Luis

2006-01-01T23:59:59.000Z

240

Economic and Performance Benefits Resulting From the Use of Large...  

Open Energy Info (EERE)

of Large Diameter Fans on Air Cooled Heat Exchangers (A Case Study in the Use of Large Fan Air Cooled Condensers at the Neal Hot Springs Geothermal Power Plant, Oregon) Jump to:...

Note: This page contains sample records for the topic "alden large flume" 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

Energy Department Loan Guarantee Would Support Large-Scale Rooftop...  

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

Loan Guarantee Would Support Large-Scale Rooftop Solar Power for U.S. Military Housing Energy Department Loan Guarantee Would Support Large-Scale Rooftop Solar Power for U.S....

242

Locations of Smart Grid Demonstration and Large-Scale Energy...  

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

Locations of Smart Grid Demonstration and Large-Scale Energy Storage Projects Locations of Smart Grid Demonstration and Large-Scale Energy Storage Projects Map of the United States...

243

Plan for support of large-plant (post-CRBR) needs in large-leak sodium-water reaction area  

SciTech Connect

Work in the large leak test and analysis area of steam generator development has been carried out at GE-ARSD under 189a SG037 since 1973. The currently planned master schedule for the SG037 program is shown. Principal activities are the large leak testing program being carried out at the Large Leak Test Rig and the analysis methods development. The plan for supporting the large plant (post-CRBR) needs in the large leak sodium-water reaction area is outlined. Most of the needs will be answered in the current SG037 large leak program. (DLC)

Whipple, J.C.

1980-03-01T23:59:59.000Z

244

Large Scale Computing and Storage Requirements for High Energy Physics  

E-Print Network (OSTI)

Director Editors Richard Gerber Harvey Wasserman NERSC UserServices Group NERSC User Services Group Large ScaleNERSC

Gerber, Richard A.

2011-01-01T23:59:59.000Z

245

ATP-Funded Optics Technology Produces Large Energy ...  

Science Conference Proceedings (OSTI)

1.B.8: ATP-Funded Optics Technology Produces Large Energy Savings in Petroleum Refineries and Distribution Systems, ...

2011-10-19T23:59:59.000Z

246

CALIFORNIA ENERGY Large HVAC Field and Baseline Data  

E-Print Network (OSTI)

CALIFORNIA ENERGY COMMISSION Large HVAC Field and Baseline Data Field Data Collection: Site Survey of the Integrated Design of Large Commercial HVAC Systems research project. The reports are a result of funding Design of Large Commercial HVAC Systems Integrated Design of Small Commercial HVAC Systems Integrated

247

Large margin mixture of AR models for time series classification  

Science Conference Proceedings (OSTI)

In this paper, we propose the large margin autoregressive (LMAR) model for classification of time series patterns. The parameters of the generative AR models for different classes are estimated using the margin of the boundaries of AR models as the optimization ... Keywords: Generative and discriminative hybrid models, Large margin autoregressive model, Large margin mixture autoregressive model, Outlier detection, Rejection option, Time series classification

B. Venkataramana Kini; C. Chandra Sekhar

2013-01-01T23:59:59.000Z

248

Large-angle Parabolic Equation Methods James T. Kirby*  

E-Print Network (OSTI)

CHAPTER 32 Large-angle Parabolic Equation Methods James T. Kirby* Large-angle parabolic equation of the parabolic equation method (PEM) to any relevant wave propagation problem implies that a principal is to examine two methods of extending the basic parabolic equation method to include large-angle effects

Kirby, James T.

249

The cube: a very large-scale interactive engagement space  

Science Conference Proceedings (OSTI)

"The Cube" is a unique facility that combines 48 large multi-touch screens and very large-scale projection surfaces to form one of the world's largest interactive learning and engagement spaces. The Cube facility is part of the Queensland University ... Keywords: interactive wall displays, multi-touch, very large displays

Markus Rittenbruch, Andrew Sorensen, Jared Donovan, Debra Polson, Michael Docherty, Jeff Jones

2013-10-01T23:59:59.000Z

250

Nuclear EMP simulation for large-scale urban environments. FDTD for electrically large problems.  

SciTech Connect

In case of a terrorist nuclear attack in a metropolitan area, EMP measurement could provide: (1) a prompt confirmation of the nature of the explosion (chemical or nuclear) for emergency response; and (2) and characterization parameters of the device (reaction history, yield) for technical forensics. However, urban environment could affect the fidelity of the prompt EMP measurement (as well as all other types of prompt measurement): (1) Nuclear EMP wavefront would no longer be coherent, due to incoherent production, attenuation, and propagation of gamma and electrons; and (2) EMP propagation from source region outward would undergo complicated transmission, reflection, and diffraction processes. EMP simulation for electrically-large urban environment: (1) Coupled MCNP/FDTD (Finite-difference time domain Maxwell solver) approach; and (2) FDTD tends to be limited to problems that are not 'too' large compared to the wavelengths of interest because of numerical dispersion and anisotropy. We use a higher-order low-dispersion, isotropic FDTD algorithm for EMP propagation.

Smith, William S. [Los Alamos National Laboratory; Bull, Jeffrey S. [Los Alamos National Laboratory; Wilcox, Trevor [Los Alamos National Laboratory; Bos, Randall J. [Los Alamos National Laboratory; Shao, Xuan-Min [Los Alamos National Laboratory; Goorley, John T. [Los Alamos National Laboratory; Costigan, Keeley R. [Los Alamos National Laboratory

2012-08-13T23:59:59.000Z

251

Archive Reference Buildings by Building Type: Large office | Department of  

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

Large office Large office Archive Reference Buildings by Building Type: Large office Here you will find past versions of the reference buildings for new construction commercial buildings, organized by building type and location. A summary of building types and climate zones is available for reference. Current versions are also available. You can download ZIP files that contain the following: An EnergyPlus software input file (.idf) An html file showing the results from the EnergyPlus simulation (.html) A spreadsheet that summarizes the inputs and results for each location (.xls) The EnergyPlus TMY2 weather file (.epw). benchmark-v1.0_3.0-large_office.zip benchmark-v1.1_3.1-large_office.zip benchmark-new-v1.2_4.0-large_office.zip More Documents & Publications Archive Reference Buildings by Building Type: Large Hotel

252

Archive Reference Buildings by Building Type: Large Hotel | Department of  

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

Large Hotel Large Hotel Archive Reference Buildings by Building Type: Large Hotel Here you will find past versions of the reference buildings for new construction commercial buildings, organized by building type and location. A summary of building types and climate zones is available for reference. Current versions are also available. You can download ZIP files that contain the following: An EnergyPlus software input file (.idf) An html file showing the results from the EnergyPlus simulation (.html) A spreadsheet that summarizes the inputs and results for each location (.xls) The EnergyPlus TMY2 weather file (.epw). benchmark-v1.0_3.0-large_hotel.zip benchmark-v1.1_3.1-large_hotel.zip benchmark-new-v1.2_4.0-large_hotel.zip More Documents & Publications Archive Reference Buildings by Building Type: Small Hotel

253

Alaska's At-large congressional district: Energy Resources | Open Energy  

Open Energy Info (EERE)

Alaska's At-large congressional district: Energy Resources Alaska's At-large congressional district: Energy Resources Jump to: navigation, search Equivalent URI DBpedia This article is a stub. You can help OpenEI by expanding it. This page represents a congressional district in Alaska. Registered Energy Companies in Alaska's At-large congressional district ABS Alaskan Inc Alaskan Wind Industries Four Dam Pool Power Agency FDPPA Kodiak Electric Association KEA Remote Power Inc. Sustina Energy Systems Wind Energy Alaska Energy Generation Facilities in Alaska's At-large congressional district Chena Hot Springs Geothermal Facility Utility Companies in Alaska's At-large congressional district Alaska Energy Authority Retrieved from "http://en.openei.org/w/index.php?title=Alaska%27s_At-large_congressional_district&oldid=174110"

254

Higgs boson interactions in supersymmetric theories with large tan beta  

E-Print Network (OSTI)

We show that radiative corrections to the Higgs potential in supersymmetric theories with large tan beta generically lead to large differences in the light Higgs boson decay branching fractions compared to those of the standard model Higgs boson. In contrast, the light Higgs boson production rates are largely unaffected. We identify W h associated production followed by Higgs boson decays to photons or to leptons via W W* as potential experimental probes of these theories.

Will Loinaz; James D. Wells

1998-08-10T23:59:59.000Z

255

Thermodynamics of QCD at large quark chemical potential  

E-Print Network (OSTI)

We review the existing weak-coupling results on the thermodynamic potential of deconfined QCD at small and large quark chemical potential and compare with results from lattice gauge theory as well as the exactly solvable case of large-N_f QCD. We also discuss the new analytical results on non-Fermi-liquid effects in entropy and specific heat as well as in dispersion laws of quark quasiparticles at large quark chemical potential.

Andreas Gerhold; Andreas Ipp; Anton Rebhan

2005-12-21T23:59:59.000Z

256

PSNH- Large Business Energy Efficiency Retrofit Rebate Program  

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

Public Service of New Hampshire (PSNH), in collaboration with [http://www.nhsaves.com/ nhsaves], encourages large commercial and industrial customers in existing facilities to conserve energy...

257

Performance Comparison of Large Diameter Residential Drinking Water Wells.  

E-Print Network (OSTI)

??Published scientific work indicates that residential large diameter drinking water wells are at a higher risk of contamination from surface water impacts than drilled wells. (more)

Javor, Paul

2010-01-01T23:59:59.000Z

258

Web-based energy information systems for large commercial buildings  

E-Print Network (OSTI)

and benchmark energy use among a portfolio of buildings bybenchmark Motegi et al: Web-based Energy Information Systems For Large Commercial Buildings

Motegi, Naoya; Piette, Mary Ann

2003-01-01T23:59:59.000Z

259

Fail Safe Design for Large Capacity Lithium-ion Batteries  

NATIONAL RENEWABLE ENERGY LABORATORY! Challenges for Large LIB Systems 2 Li-ion batteries are flammable, require expensive manufacturing to reduce defects

260

Large Scale Computing and Storage Requirements for Fusion Energy...  

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

at NERSC HPC Requirements Reviews Requirements for Science: Target 2014 Fusion Energy Sciences (FES) Large Scale Computing and Storage Requirements for Fusion Energy...

Note: This page contains sample records for the topic "alden large flume" 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

Solving large scale polynomial convex problems on \\ell_1/nuclear ...  

E-Print Network (OSTI)

Oct 24, 2012 ... Solving large scale polynomial convex problems on \\ell_1/nuclear norm balls by randomized first-order algorithms. Aharon Ben-Tal (abental...

262

Large Monitoring Systems: Data Analysis, Design and Deployment  

E-Print Network (OSTI)

Data Analysis, Design and Deployment by Ram Rajagopal AData Analysis, Design and Deployment by Ram Rajagopal DoctorRam Rajagopal, titled Large Monitoring Systems: Data Analysis,

Rajagopal, Ram

2009-01-01T23:59:59.000Z

263

Large Fleets Lead in Petroleum Reduction (Fact Sheet)  

SciTech Connect

Fact sheet describes Clean Cities' National Petroleum Reduction Partnership, an initiative through which large private fleets can receive support from Clean Cities to reduce petroleum consumption.

Proc, H.

2011-03-01T23:59:59.000Z

264

Large-Eddy Simulation for Green Energy and Propulsion Systems...  

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

Large-Eddy Simulation for Green Energy and Propulsion Systems PI Name: Umesh Paliath PI Email: paliath@ge.com Institution: General Electric Allocation Program: INCITE Allocation...

265

Finding Large Aperture Fractures in Geothermal Resource Areas...  

Open Energy Info (EERE)

low-permeability fractures and LAF's (Large Aperature Fractures). USG will develop and test the combination of three-component,long-offset seismic surveying, permanent scatter...

266

Abstract - The ICSI Notary: Lessons and Insights from a Large ...  

Science Conference Proceedings (OSTI)

Abstract title: The ICSI Notary: Lessons and Insights from a Large ... ongoing live measurement effort aimed at understanding the global SSL/TLS ...

2013-03-12T23:59:59.000Z

267

Infrared Imagery Applied to A Large Buoyant Plume  

Science Conference Proceedings (OSTI)

The possibility of applying infrared imagery to the study of a large, hot plume materialized by carbon particles resulting from the incomplete combustion of fuel oil is investigated.

J-M. Brustet; B. Benech; P. Waldteufel

1981-05-01T23:59:59.000Z

268

Manufacturing and Mechanical Properties of a Large Size Alloy 706 ...  

Science Conference Proceedings (OSTI)

A large Ni-base superalloy 706 disk for advanced gas turbines was trial ... Increased firing temperatures have helped the fuel efficiency of gas turbine based...

269

Large Scale Computing and Storage Requirements for Nuclear Physics Research  

E-Print Network (OSTI)

outlined in the 2011 DOE Strategic Plan. U.S. Departmentstrategic plans. Large Scale Computing and Storage Requirements for Nuclear Physics DOE

Gerber, Richard A.

2012-01-01T23:59:59.000Z

270

Large Scale Computing and Storage Requirements for Basic Energy...  

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

at NERSC HPC Requirements Reviews Requirements for Science: Target 2014 Basic Energy Sciences (BES) Large Scale Computing and Storage Requirements for Basic Energy...

271

DOE INCITE Program Awards Large Allocations at NERSC to Study...  

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

DOE INCITE Program Awards Large Allocations at NERSC to Study Supernovae, Fusion Energy, Climate Change, Combustion, Chemistry and Accelerator Design DOE INCITE Program Awards...

272

Operational Experience of Large Sized ESR Plants and Attainable ...  

Science Conference Proceedings (OSTI)

... the field of remelting was mainly characterized by the commissioning of large ... the nuclear power industry to complex chromium martensitic stainless steels...

273

Large-scale Excited Electron Molecular Mechanics/Dynamics  

Science Conference Proceedings (OSTI)

Abstract Scope, To simulate large electronically excited systems, we have developed [at the Materials and Process Simulation Center at Caltech] a molecular...

274

Large Plasma Flow Discovered in the Helically Symmetric Experiment...  

Office of Science (SC) Website

Symmetric Experiment at the University of Wisconsin-Madison and the spectroscopic system (left) that was used to measure the large plasma flow observed in the device. The...

275

Large Fleets Lead in Petroleum Reduction (Fact Sheet)  

SciTech Connect

Fact sheet describes Clean Cities' National Petroleum Reduction Partnership, an initiative through which large private fleets can receive support from Clean Cities to reduce petroleum consumption.

Proc, H.

2011-03-01T23:59:59.000Z

276

Large Emergency-Response Exercises: Qualitative Characteristics - A Survey  

Science Conference Proceedings (OSTI)

Exercises, drills, or simulations are widely used, by governments, agencies and commercial organizations, to simulate serious incidents and train staff how to respond to them. International cooperation has led to increasingly large-scale exercises, often ... Keywords: 'large' exercises, 'play space', agency, bomb threats, crisis, disaster, drill, emergency, emergency response, emotions, exercise, experiential, feelings, fire service, government, group psychotherapy, health agencies, incident, industrial accidents, large group, large-scale exercises, learning, military, multidisciplinarity, personal trust, play, police, psychology, ritual, role-play, simulation, situational trust, situationism, social implications, staff training, trust

Yang-Im Lee; Peter Trim; Julia Upton; David Upton

2009-12-01T23:59:59.000Z

277

Exploiting separability in large-scale Support Vector Machine training  

E-Print Network (OSTI)

Aug 8, 2007 ... Abstract: Linear support vector machine training can be represented as a large quadratic program. We present an efficient and numerically...

278

Western Riverside Council of Governments - Large Commercial PACE  

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

Large Commercial PACE Large Commercial PACE (California) Western Riverside Council of Governments - Large Commercial PACE (California) < Back Eligibility Commercial Savings Category Other Alternative Fuel Vehicles Hydrogen & Fuel Cells Solar Buying & Making Electricity Program Info State California Program Type PACE Financing Provider Structured Finance Associates Structured Finance, on behalf of the Western Riverside Council of Governments (WRCOG), is providing Property Assessed Clean Energy (PACE) loans to eligible large commercial businesses in participating jurisdictions. PACE programs allow property owners to finance energy projects, and to repay the financing through special assessments on their property tax bill. Solar installations of at least 125 kilowatts, fuel cells, and a variety of

279

Texas Large Construction Site Notice for Primary Operators |...  

Open Energy Info (EERE)

Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Reference Material: Texas Large Construction Site Notice for Primary Operators edit Details Activities (0)...

280

Texas Large Construction Site Notice for Secondary Operators...  

Open Energy Info (EERE)

Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Reference Material: Texas Large Construction Site Notice for Secondary Operators edit Details Activities (0)...

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


281

Large-time rescaling behaviors for large data to the Hele-Shaw problem  

E-Print Network (OSTI)

This paper addresses a rescaling behavior of some classes of global solutions to the zero surface tension Hele-Shaw problem with injection at the origin, $\\{\\Omega(t)\\}_{t\\geq 0}$. Here $\\Omega(0)$ is a small perturbation of $f(B_{1}(0),0)$ if $f(\\xi,t)$ is a global strong polynomial solution to the Polubarinova-Galin equation with injection at the origin and we prove the solution $\\Omega(t)$ is global as well. We rescale the domain $\\Omega(t)$ so that the new domain $\\Omega^{'}(t)$ always has area $\\pi$ and we consider $\\partial\\Omega^{'}(t)$ as the radial perturbation of the unit circle centered at the origin for $t$ large enough. It is shown that the radial perturbation decays algebraically as $t^{-\\lambda}$. This decay also implies that the curvature of $\\partial\\Omega^{'}(t)$ decays to 1 algebraically as $t^{-\\lambda}$. The decay is faster if the low Richardson moments vanish. We also explain this work as the generalization of Vondenhoff's work which deals with the case that $f(\\xi,t)=a_{1}(t)\\xi$.

Yulin Lin

2008-10-16T23:59:59.000Z

282

Lessons from Large-Scale Renewable Energy Integration Studies: Preprint  

Science Conference Proceedings (OSTI)

In general, large-scale integration studies in Europe and the United States find that high penetrations of renewable generation are technically feasible with operational changes and increased access to transmission. This paper describes other key findings such as the need for fast markets, large balancing areas, system flexibility, and the use of advanced forecasting.

Bird, L.; Milligan, M.

2012-06-01T23:59:59.000Z

283

A holonic approach to model and deploy large scale simulations  

Science Conference Proceedings (OSTI)

Multi-Agent Based Simulations (MABS) for real-world problems may require a large number of agents. A possible solution is to distribute the simulation in multiple machines. Thus, we are forced to consider how Large Scale MABS can be deployed in order ...

Sebastian Rodriguez; Vincent Hilaire; Abder Koukam

2006-05-01T23:59:59.000Z

284

Large IT projects as interventions in digital ecosystems  

Science Conference Proceedings (OSTI)

Large IT projects, such as the US Government's Internal Revenue Service Business Modernization Effort, can take a decade or more and consume billions of dollars. Traditional approaches to the study of such projects emphasize concerns such as monitoring ... Keywords: IRS, case study, ecosystem, large IT projects, longitudinal analyses, secondary data

Sandeep Purao; Kevin Desouza

2010-10-01T23:59:59.000Z

285

Large engineering project risk management using a Bayesian belief network  

Science Conference Proceedings (OSTI)

This paper presents a scheme for large engineering project risk management using a Bayesian belief network and applies it to the Korean shipbuilding industry. Twenty-six different risks were deduced from expert interviews and a literature review. A survey ... Keywords: Bayesian belief network, Risk management in large engineering projects, Shipbuilding industry

Eunchang Lee; Yongtae Park; Jong Gye Shin

2009-04-01T23:59:59.000Z

286

Computational challenges in large-scale air pollution modelling  

Science Conference Proceedings (OSTI)

Many difficulties must be overcome when large-scale air pollution models are treated numerically, because the physical and chemical processes in the atmosphere are very fast. This is why it is necessary to use a large space domain in order ... Keywords: air pollution models, finite elements, ordinary differential equations, parallel computational, partial differential equations, quasi-steady-state-approximation

Tzvetan Ostromsky; Wojciech Owczarz; Zahari Zlatev

2001-06-01T23:59:59.000Z

287

A large scale study of text-messaging use  

Science Conference Proceedings (OSTI)

Text messaging has become a popular form of communication with mobile phones worldwide. We present findings from a large scale text messaging study of 70 university students in the United States. We collected almost 60, 000 text messages over a period ... Keywords: large-scale study, mobile device, short message service, sms, text messaging, texting

Agathe Battestini; Vidya Setlur; Timothy Sohn

2010-09-01T23:59:59.000Z

288

Integrative path planning and motion control for handling large components  

Science Conference Proceedings (OSTI)

For handling large components a large workspace and high precision are required. In order to simplify the path planning for automated handling systems, this task can be divided into global, regional and local motions. Accordingly, different types of ... Keywords: integrative production, motion control, path planning, robotic assembly application

Rainer Mller; Martin Esser; Markus Janssen

2011-12-01T23:59:59.000Z

289

Managing very large distributed data sets on a data grid  

Science Conference Proceedings (OSTI)

In this work we address the management of very large data sets, which need to be stored and processed across many computing sites. The motivation for our work is the ATLAS experiment for the Large Hadron Collider (LHC), where the authors have been involved ... Keywords: data management, distributed systems, grid computing, modelling, simulation

Miguel Branco; Ed Zaluska; David de Roure; Mario Lassnig; Vincent Garonne

2010-08-01T23:59:59.000Z

290

STATISTICAL ANALYSIS AND STRUCTURE OPTIMIZATION OF LARGE PHOTOVOLTAIC MODULE  

E-Print Network (OSTI)

on the output power of large Photovoltaic (PV) module by modeling each PV cell as a current source whose short. Photovoltaic (PV) is a simple and elegant method of harnessing the sun's energy. PV devices (solar cellsSTATISTICAL ANALYSIS AND STRUCTURE OPTIMIZATION OF LARGE PHOTOVOLTAIC MODULE RATHEESH R

Qiu, Qinru

291

Detection system based on a novel large area hybrid detector  

Science Conference Proceedings (OSTI)

A system level implementation of a large area hybrid detector is presented. The detector used in this system consists of an array of hydrogenated amorphous silicon photodiodes directly connected to a CMOS readout chip, which is vertically integrated ... Keywords: Amorphous silicon, Hybrid detectors, Large area photodetectors

A. Nascetti; P. Valerio; D. Caputo; G. de Cesare

2010-11-01T23:59:59.000Z

292

Large-Scale Eucalyptus Energy Farms and Power Cogeneration1  

E-Print Network (OSTI)

Large-Scale Eucalyptus Energy Farms and Power Cogeneration1 Robert C. Noronla2 The initiation of a large-scale cogeneration project, especially one that combines construction of the power generation supplemental fuel source must be sought if the cogeneration facility will consume more fuel than

Standiford, Richard B.

293

High-performance verification of large concurrent systems  

E-Print Network (OSTI)

High-performance verification of large concurrent systems Elbie taKrpska Ph.D. Thesis VU University Systems Ph.D. Thesis Elzbieta Krepska VU University Amsterdam, 2012 #12;This research was funded by the VU. #12;VRIJE UNIVERSITEIT TOWARDS BIG BIOLOGY: HIGH-PERFORMANCE VERIFICATION OF LARGE CONCURRENT SYSTEMS

Bal, Henri E.

294

Explosive performance measurements on large, multiple-hole arrays and large masses of conventional explosive  

SciTech Connect

The COntinuous Reflectometry for Radius vs. Time EXperiment (CORRTEX) system was developed by the Los Alamos National Laboratory for determining the energy released in a nuclear explosion by measuring the position of its shock front as a function of time. The CORRTEX system, fielding techniques, and the methods and software for data reduction and analysis were developed over a 15 year period with hundreds of measurements made on nuclear tests and high explosive experiments. CORRTEX is a compact, portable, fast-sampling, microprocessor-controlled system, based on time domain reflectometry, requiring only a 24 volt power source and a sensing element. Only the sensing element (a length of 50 ohm coaxial cable) is expended during the detonation. In 1979, the CORRTEX system was shown to be ideally suited for chemical explosive performance measurements. Its utility for diagnosing chemical explosives was further demonstrated with successful measurements on large multiple-hole chemical shots in rock quarries and strip mines. Accurate timing of the detonation of sequenced or ripple fired arrays, as well as data characterizing the initiation, explosive performance and detonation anomalies are obtained. This information can serve as the basis for empirical or modeled improvements to blasting operations. A summary of the special CORRTEX features and well developed analysis techniques together with the experiment designs, data, and conclusions regarding the measurements and explosive performance from several array detonations and the Chemical Kiloton Experiment, 2.9 million pounds of an ammonium nitrate-fuel oil (ANFO) and emulsion blend conducted on the Nevada Test Site in 1993, are presented.

McKown, T.O. [Los Alamos National Lab., NM (United States); Eilers, D.D. [Raytheon Services Nevada, Las Vegas, NV (United States); Williams, P.E. [New Mexico Tech., Socorro, New Mexico (United States). Energetic Materials Research and Testing Center

1994-11-01T23:59:59.000Z

295

DOE Completes Large-Scale Carbon Sequestration Project Awards | Department  

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

DOE Completes Large-Scale Carbon Sequestration Project Awards DOE Completes Large-Scale Carbon Sequestration Project Awards DOE Completes Large-Scale Carbon Sequestration Project Awards November 17, 2008 - 4:58pm Addthis Regional Partner to Demonstrate Safe and Permanent Storage of 2 Million Tons of CO2 at Wyoming Site WASHINGTON, DC - Completing a series of awards through its Regional Carbon Sequestration Partnership Program, the U.S. Department of Energy (DOE) today awarded $66.9 million to the Big Sky Regional Carbon Sequestration Partnership for the Department's seventh large-scale carbon sequestration project. Led by Montana State University-Bozeman, the Partnership will conduct a large-volume test in the Nugget Sandstone formation to demonstrate the ability of a geologic formation to safely, permanently and economically

296

Wyoming's At-large congressional district: Energy Resources | Open Energy  

Open Energy Info (EERE)

Wyoming's At-large congressional district: Energy Resources Wyoming's At-large congressional district: Energy Resources Jump to: navigation, search Equivalent URI DBpedia This article is a stub. You can help OpenEI by expanding it. This page represents a congressional district in Wyoming. US Recovery Act Smart Grid Projects in Wyoming's At-large congressional district Cheyenne Light, Fuel and Power Company Smart Grid Project Powder River Energy Corporation Smart Grid Project Registered Energy Companies in Wyoming's At-large congressional district Blue Sky Batteries Inc Blue Sky Group Inc HTH Wind Energy Inc LappinTech LLC Nacel Energy Nanomaterials Discovery Corporation NDC Pathfinder Renewable Wind Energy PowerSHIFT Energy Company Inc TMA Global Wind Energy Systems TriLateral Energy LLC Utility Companies in Wyoming's At-large congressional district

297

DOE Completes Large-Scale Carbon Sequestration Project Awards | Department  

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

Completes Large-Scale Carbon Sequestration Project Awards Completes Large-Scale Carbon Sequestration Project Awards DOE Completes Large-Scale Carbon Sequestration Project Awards November 17, 2008 - 4:58pm Addthis Regional Partner to Demonstrate Safe and Permanent Storage of 2 Million Tons of CO2 at Wyoming Site WASHINGTON, DC - Completing a series of awards through its Regional Carbon Sequestration Partnership Program, the U.S. Department of Energy (DOE) today awarded $66.9 million to the Big Sky Regional Carbon Sequestration Partnership for the Department's seventh large-scale carbon sequestration project. Led by Montana State University-Bozeman, the Partnership will conduct a large-volume test in the Nugget Sandstone formation to demonstrate the ability of a geologic formation to safely, permanently and economically

298

Montana's At-large congressional district: Energy Resources | Open Energy  

Open Energy Info (EERE)

Montana's At-large congressional district: Energy Resources Montana's At-large congressional district: Energy Resources Jump to: navigation, search Equivalent URI DBpedia This article is a stub. You can help OpenEI by expanding it. This page represents a congressional district in Montana. Registered Research Institutions in Montana's At-large congressional district Big Sky Carbon Sequestration Partnership Registered Policy Organizations in Montana's At-large congressional district National Center for Appropriate Technology Registered Energy Companies in Montana's At-large congressional district Bioroot Energy Business Excellence Consulting Confluence Communications Grasslands Renewable Energy LLC Montana Sustainable Building Systems REC Silicon formerly ASiMI Rivertop Renewables Saddlehorn Sage Resources Semitool Inc SolarMission Technologies Inc

299

Large-Scale Hydropower Basics | Department of Energy  

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

Large-Scale Hydropower Basics Large-Scale Hydropower Basics Large-Scale Hydropower Basics August 14, 2013 - 3:11pm Addthis Large-scale hydropower plants are generally developed to produce electricity for government or electric utility projects. These plants are more than 30 megawatts (MW) in size, and there is more than 80,000 MW of installed generation capacity in the United States today. Most large-scale hydropower projects use a dam and a reservoir to retain water from a river. When the stored water is released, it passes through and rotates turbines, which spin generators to produce electricity. Water stored in a reservoir can be accessed quickly for use during times when the demand for electricity is high. Dammed hydropower projects can also be built as power storage facilities.

300

Large-Scale Hydropower Basics | Department of Energy  

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

Large-Scale Hydropower Basics Large-Scale Hydropower Basics Large-Scale Hydropower Basics August 14, 2013 - 3:11pm Addthis Large-scale hydropower plants are generally developed to produce electricity for government or electric utility projects. These plants are more than 30 megawatts (MW) in size, and there is more than 80,000 MW of installed generation capacity in the United States today. Most large-scale hydropower projects use a dam and a reservoir to retain water from a river. When the stored water is released, it passes through and rotates turbines, which spin generators to produce electricity. Water stored in a reservoir can be accessed quickly for use during times when the demand for electricity is high. Dammed hydropower projects can also be built as power storage facilities.

Note: This page contains sample records for the topic "alden large flume" 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

Does nuclear matter bind at large $N_c$?  

E-Print Network (OSTI)

The existence of nuclear matter at large $N_c$ is investigated in the framework of effective hadronic models of the Walecka type. This issue is strongly related to the nucleon-nucleon attraction in the scalar channel, and thus to the nature of the light scalar mesons. Different scenarios for the light scalar sector correspond to different large $N_c$ scaling properties of the parameters of the hadronic models. In all realistic phenomenological scenarios for the light scalar field(s) responsible for the attraction in the scalar channel it is found that nuclear matter does not bind in the large $N_c$ world. We thus conclude that $N_c = 3$ is in this respect special: 3 is fortunately not large at all and allows for nuclear matter, while large $N_c$ would not.

Bonanno, Luca

2011-01-01T23:59:59.000Z

302

Property:Other Data Capabilites | Open Energy Information  

Open Energy Info (EERE)

Data Capabilites Data Capabilites Jump to: navigation, search Property Name Other Data Capabilites Property Type Text Pages using the property "Other Data Capabilites" Showing 12 pages using this property. B Bucknell Hydraulic Flume + Invasive flow diagnostics, Acoustic Doppler Velocimeter (ADV) and data analysis C Conte Large Flume + Conventional PC computing & statistical packages; 2D & 3D CFD modeling Conte Small Flume + Conventional PC computing & statistical packages; 2D & 3D CFD modeling H Hinsdale Wave Basin 1 + Online data archiving and retrieval as pat of George E. Brown Jr. Network for Earthquake Engineering Simulation (NEES) Hinsdale Wave Basin 2 + Online data archiving and retrieval as pat of George E. Brown Jr. Network for Earthquake Engineering Simulation (NEES)

303

Aging assessment of large electric motors in nuclear power plants  

Science Conference Proceedings (OSTI)

Large electric motors serve as the prime movers to drive high capacity pumps, fans, compressors, and generators in a variety of nuclear plant systems. This study examined the stressors that cause degradation and aging in large electric motors operating in various plant locations and environments. The operating history of these machines in nuclear plant service was studied by review and analysis of failure reports in the NPRDS and LER databases. This was supplemented by a review of motor designs, and their nuclear and balance of plant applications, in order to characterize the failure mechanisms that cause degradation, aging, and failure in large electric motors. A generic failure modes and effects analysis for large squirrel cage induction motors was performed to identify the degradation and aging mechanisms affecting various components of these large motors, the failure modes that result, and their effects upon the function of the motor. The effects of large motor failures upon the systems in which they are operating, and on the plant as a whole, were analyzed from failure reports in the databases. The effectiveness of the industry`s large motor maintenance programs was assessed based upon the failure reports in the databases and reviews of plant maintenance procedures and programs.

Villaran, M.; Subudhi, M. [Brookhaven National Lab., Upton, NY (United States)

1996-03-01T23:59:59.000Z

304

National Fuel - Large Non-Residential Conservation Program | Department of  

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

National Fuel - Large Non-Residential Conservation Program National Fuel - Large Non-Residential Conservation Program National Fuel - Large Non-Residential Conservation Program < Back Eligibility Commercial Industrial Institutional Local Government Nonprofit Schools Savings Category Heating & Cooling Commercial Heating & Cooling Heating Home Weatherization Construction Commercial Weatherization Design & Remodeling Other Manufacturing Appliances & Electronics Water Heating Maximum Rebate Commercial Custom Rebates: $200,000 Industrial Custom Rebates: $5,000,000 Program Info State New York Program Type Utility Rebate Program Rebate Amount Custom Rebates: $15/Mcf x the gas savings or 50% of the total project cost Unit Heater: $1000 Hot Air Furnace: $500 Low Intensity Infrared Heating: $500 Programmable Thermostat: $25

305

National Grid (Electric) - Large Commercial Energy Efficiency Incentive  

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

National Grid (Electric) - Large Commercial Energy Efficiency National Grid (Electric) - Large Commercial Energy Efficiency Incentive Programs National Grid (Electric) - Large Commercial Energy Efficiency Incentive Programs < Back Eligibility Commercial Industrial Institutional Local Government Multi-Family Residential Retail Supplier Schools State Government Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Other Construction Heat Pumps Appliances & Electronics Commercial Lighting Lighting Maximum Rebate Custom Incentives: 50% of engineering studies and total costs until project reaches a 1.5 year simple payback. Program Info State Rhode Island Program Type Utility Rebate Program Rebate Amount Schools and New Buildings Custom Incentives: 75% of additional cost for efficiency upgrades AC/Heat Pumps: $30 - $125/ton

306

Energy Department Applauds Nation's First Large-Scale Industrial Carbon  

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

Nation's First Large-Scale Industrial Nation's First Large-Scale Industrial Carbon Capture and Storage Facility Energy Department Applauds Nation's First Large-Scale Industrial Carbon Capture and Storage Facility August 24, 2011 - 6:23pm Addthis Washington, D.C. - The U.S. Department of Energy issued the following statement in support of today's groundbreaking for construction of the nation's first large-scale industrial carbon capture and storage (ICCS) facility in Decatur, Illinois. Supported by the 2009 economic stimulus legislation - the American Recovery and Reinvestment Act - the ambitious project will capture and store one million tons of carbon dioxide (CO2) per year produced as the result of processing corn into fuel-grade ethanol from the nearby Archer Daniels Midland biofuels plant. Since all of

307

ARM - Evaluation Product - Vertical Air Motion during Large-Scale  

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

ProductsVertical Air Motion during Large-Scale ProductsVertical Air Motion during Large-Scale Stratiform Rain Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Evaluation Product : Vertical Air Motion during Large-Scale Stratiform Rain Site(s) NIM SGP General Description The Vertical Air Motion during Large-Scale Stratiform Rain (VERVELSR) value-added product (VAP) uses the unique properties of a 95-GHz radar Doppler velocity spectra to produce vertical profiles of air motion during low-to-moderate (1-20 mm/hr) rainfall events It is designed to run at ARM sites that include a W-band ARM cloud radar (WACR) radar with spectra data processing. The VERVELSR VAP, based on the work of Giangrande et al. (2010), operates by exploiting a resonance effect that occurs in

308

Delaware's At-large congressional district: Energy Resources | Open Energy  

Open Energy Info (EERE)

Delaware's At-large congressional district: Energy Resources Delaware's At-large congressional district: Energy Resources Jump to: navigation, search Equivalent URI DBpedia This article is a stub. You can help OpenEI by expanding it. This page represents a congressional district in Delaware. Registered Energy Companies in Delaware's At-large congressional district AstroPower Inc Building Media, Inc. (Du Pont) (Building America Retrofit Alliance) Butamax Advanced Biofuels LLC Citizenre Group Delmarva Power Light Company Delmarva Power DuPont DuPont Biofuels Dupont Fuel Cells Galt Power Inc GlobalWatt Inc Ion Power Inc Naveen Energy Hydra Energy LLC O2Diesel Corporation formerly Dynamic Ventures RNK Capital LLC Sentry Power LLC Sentry Power Technology Textronics Inc Tristabella Consulting LLC University of Delaware Registered Financial Organizations in Delaware's At-large congressional

309

Energy Department Applauds Nation's First Large-Scale Industrial Carbon  

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

Energy Department Applauds Nation's First Large-Scale Industrial Energy Department Applauds Nation's First Large-Scale Industrial Carbon Capture and Storage Facility Energy Department Applauds Nation's First Large-Scale Industrial Carbon Capture and Storage Facility August 24, 2011 - 6:23pm Addthis Washington, D.C. - The U.S. Department of Energy issued the following statement in support of today's groundbreaking for construction of the nation's first large-scale industrial carbon capture and storage (ICCS) facility in Decatur, Illinois. Supported by the 2009 economic stimulus legislation - the American Recovery and Reinvestment Act - the ambitious project will capture and store one million tons of carbon dioxide (CO2) per year produced as the result of processing corn into fuel-grade ethanol from the nearby Archer Daniels Midland biofuels plant. Since all of

310

Large Scale Quantum-mechanical Calculations of Proteins, Nanomaterials and  

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

Large Scale Quantum-mechanical Calculations of Proteins, Nanomaterials and Large Scale Quantum-mechanical Calculations of Proteins, Nanomaterials and Other Large Systems Event Sponsor: Leadership Computing Facility Seminar Start Date: Dec 5 2013 - 2:00pm Building/Room: Building 240/Room 4301 Location: Argonne National Laboratory Speaker(s): Dmitri G. Fedorov Speaker(s) Title: National Institute of Advanced Industrial Science and Technology (AIST) Host: Yuri Alexeev Our approach to large scale calculations is based on fragmenting a molecular system into pieces, and performing quantum-mechanical calculations of these fragments and their pairs in the fragment molecular orbital method (FMO). After a brief summary of the methodology, some typical applications to protein-ligand complexes, chemical reactions in explicit solvent, and nanomaterials (silicon nanowires, zeolites.

311

Large-Scale Industrial Carbon Capture, Storage Plant Begins Construction |  

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

Large-Scale Industrial Carbon Capture, Storage Plant Begins Large-Scale Industrial Carbon Capture, Storage Plant Begins Construction Large-Scale Industrial Carbon Capture, Storage Plant Begins Construction August 24, 2011 - 1:00pm Addthis Washington, DC - Construction activities have begun at an Illinois ethanol plant that will demonstrate carbon capture and storage. The project, sponsored by the U.S. Department of Energy's Office of Fossil Energy, is the first large-scale integrated carbon capture and storage (CCS) demonstration project funded by the American Recovery and Reinvestment Act (ARRA) to move into the construction phase. Led by the Archer Daniels Midland Company (ADM), a member of DOE's Midwest Geological Sequestration Consortium, the Illinois-ICCS project is designed to sequester approximately 2,500 metric tons of carbon dioxide

312

Reactor Neutrino Experiments with a Large Liquid Scintillator Detector  

E-Print Network (OSTI)

We discuss several new ideas for reactor neutrino oscillation experiments with a Large Liquid Scintillator Detector. We consider two different scenarios for a measurement of the small mixing angle $\\theta_{13}$ with a mobile $\\bar{\

Joachim Kopp; Manfred Lindner; Alexander Merle; Mark Rolinec

2006-06-13T23:59:59.000Z

313

Web-based Energy Information Systems for Large Commercial Buildings  

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

Web-based Energy Information Systems for Large Commercial Buildings Speaker(s): Naoya Motegi Date: May 2, 2002 - 12:00pm Location: Bldg. 90 Energy Information Systems (EIS), which...

314

HMDB: A Large Video Database for Human Motion Recognition  

E-Print Network (OSTI)

With nearly one billion online videos viewed everyday, an emerging new frontier in computer vision research is recognition and search in video. While much effort has been devoted to the collection and annotation of large ...

Kuehne, H.

315

Large Industrial Renewable Energy Purchase Program (New Brunswick) |  

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

Large Industrial Renewable Energy Purchase Program (New Brunswick) Large Industrial Renewable Energy Purchase Program (New Brunswick) Large Industrial Renewable Energy Purchase Program (New Brunswick) < Back Eligibility Agricultural Commercial Developer Industrial Investor-Owned Utility Local Government Municipal/Public Utility Rural Electric Cooperative Tribal Government Utility Savings Category Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State New Jersey Program Type Performance-Based Incentive Provider New Brunswick Energy and Mines Beginning January 1, 2012 the Large Industrial Renewable Energy Purchase Program allows NB Power to purchase renewable energy generated by its largest customers at a rate of $95/MWh. This renewable energy will count towards meeting the Province's renewable energy targets at a purchase

316

First Beam for Large Hadron Collider | Department of Energy  

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

Beam for Large Hadron Collider Beam for Large Hadron Collider First Beam for Large Hadron Collider September 10, 2008 - 3:20pm Addthis WASHINGTON, DC - An international collaboration of scientists today sent the first beam of protons zooming at nearly the speed of light around the world's most powerful particle accelerator-the Large Hadron Collider (LHC)-located at the CERN laboratory near Geneva, Switzerland. The U.S. Department of Energy (DOE) and the National Science Foundation (NSF) invested a total $531 million in the construction of the accelerator and its detectors, which scientists believe could help unlock extraordinary discoveries about the nature of the physical universe. Celebrations across the U.S. and around the world mark the LHC's first circulating beam, an occasion more than 15 years in the making. An

317

Using large eddy simulations to understand flow mixing | Argonne National  

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

large eddy simulations to understand flow mixing large eddy simulations to understand flow mixing March 4, 2013 Tweet EmailPrint In nuclear power plants, turbulent flow streams of different velocity and density mix rapidly at right angles in pipes. If those mixing flow streams are of different temperatures, thermal fluctuations result on the pipe wall. Such fluctuations can damage a pipe's structure and, ultimately, cause its failure. To better understand this phenomenon and to predict the effects, scientists have developed modeling methods known as large eddy simulations (LES). LES models only the energy-carrying large scales of motion, using a filtering mechanism to account for subgrid-scale motion. Thanks to recent advances in high-performance computing, the technique has become increasingly popular for simulating unsteady flows, allowing high fidelity

318

Large-Scale Industrial Carbon Capture, Storage Plant Begins Construction |  

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

Large-Scale Industrial Carbon Capture, Storage Plant Begins Large-Scale Industrial Carbon Capture, Storage Plant Begins Construction Large-Scale Industrial Carbon Capture, Storage Plant Begins Construction August 24, 2011 - 1:00pm Addthis Washington, DC - Construction activities have begun at an Illinois ethanol plant that will demonstrate carbon capture and storage. The project, sponsored by the U.S. Department of Energy's Office of Fossil Energy, is the first large-scale integrated carbon capture and storage (CCS) demonstration project funded by the American Recovery and Reinvestment Act (ARRA) to move into the construction phase. Led by the Archer Daniels Midland Company (ADM), a member of DOE's Midwest Geological Sequestration Consortium, the Illinois-ICCS project is designed to sequester approximately 2,500 metric tons of carbon dioxide

319

Contrails of Small and Very Large Optical Depth  

Science Conference Proceedings (OSTI)

This work deals with two kinds of contrails. The first comprises a large number of optically thin contrails near the tropopause. They are mapped geographically using a lidar to obtain their height and a camera to obtain azimuth and elevation. ...

David Atlas; Zhien Wang

2010-09-01T23:59:59.000Z

320

A Large Eddy Simulation Intercomparison Study of Shallow Cumulus Convection  

Science Conference Proceedings (OSTI)

This paper reports an intercomparison study on undisturbed trade wind cumulus convection under steady-state conditions as observed during the Barbados Oceanographic and Meteorological Experiment (BOMEX) with 10 large eddy simulation (LES) models. ...

A. Pier Siebesma; Christopher S. Bretherton; Andrew Brown; Andreas Chlond; Joan Cuxart; Peter G. Duynkerke; Hongli Jiang; Marat Khairoutdinov; David Lewellen; Chin-Hoh Moeng; Enrique Sanchez; Bjorn Stevens; David E. Stevens

2003-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "alden large flume" 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

Simulating Upwelling in a Large Lake Using Slippery Sacks  

Science Conference Proceedings (OSTI)

A Lagrangian numerical model is used to simulate upwelling in an idealized large lake. This simulation is carried out to test the model's potential for simulating lake and ocean circulations.

Patrick T. Haertel; David A. Randall; Tommy G. Jensen

2004-01-01T23:59:59.000Z

322

Improved Bounds for Large Scale Capacitated Arc Routing Problem  

E-Print Network (OSTI)

ply a modified Iterated Local Search procedure to Capacitated Vehicle .... ?(S) must be deadheaded because each vehicle entering the set S must leave ...... algorithm clearly outperformed, in terms of solution quality, those that dealt with large.

323

Materialized community ground models for large-scale earthquake simulation  

Science Conference Proceedings (OSTI)

Large-scale earthquake simulation requires source datasets which describe the highly heterogeneous physical characteristics of the earth in the region under simulation. Physical characteristic datasets are the first stage in a simulation pipeline which ...

Steven W. Schlosser; Michael P. Ryan; Ricardo Taborda; Julio Lpez; David R. O'Hallaron; Jacobo Bielak

2008-11-01T23:59:59.000Z

324

Large-Eddy Simulation of Decaying Stably Stratified Turbulence  

Science Conference Proceedings (OSTI)

A large-eddy simulation (LES) model is developed and employed to study the interactions among turbulent and internal gravity wave motions in a uniformly stratified fluid at oceanic space and time scales. The decay of a random initial energy ...

David A. Siegel; J. Andrzej Domaradzki

1994-11-01T23:59:59.000Z

325

Advanced concepts in large-scale network simulation  

Science Conference Proceedings (OSTI)

This tutorial paper reviews existing concepts and future directions in selected areas related to simulation of large-scale networks. It covers specifically topics in traffic modeling, simulation of routing, network emulation, and real-time simulation.

David M. Nicol; Michael Liljenstam; Jason Liu

2005-12-01T23:59:59.000Z

326

Large-Scale Meteorology and Deep Convection during TRMM KWAJEX  

Science Conference Proceedings (OSTI)

An overview of the large-scale behavior of the atmosphere during the Tropical Rainfall Measuring Mission (TRMM) Kwajalein Experiment (KWAJEX) is presented. Sounding and ground radar data collected during KWAJEX, and several routinely available ...

Adam H. Sobel; Sandra E. Yuter; Christopher S. Bretherton; George N. Kiladis

2004-02-01T23:59:59.000Z

327

Data mining techniques for large-scale gene expression analysis  

E-Print Network (OSTI)

Modern computational biology is awash in large-scale data mining problems. Several high-throughput technologies have been developed that enable us, with relative ease and little expense, to evaluate the coordinated expression ...

Palmer, Nathan Patrick

2011-01-01T23:59:59.000Z

328

Demand Shifting With Thermal Mass in Large Commercial Buildings...  

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

Demand Shifting With Thermal Mass in Large Commercial Buildings: Case Studies and Tools Speaker(s): Peng Xu Date: March 9, 2007 - 12:00pm Location: 90-3122 The idea of pre-cooling...

329

Large Searching for Higher Dimensional Gravity with Neutron Experiments  

Science Conference Proceedings (OSTI)

N?dimensional gravity is analized in the context of recent work on large supplementary dimensions. A simple derivation of the compactification radii for additional dimensions in the universe is made

Alejandro Frank

2007-01-01T23:59:59.000Z

330

Constructing Verifiable Random Functions with Large Input Spaces Susan Hohenberger  

E-Print Network (OSTI)

idea is to apply a simulation technique where the large space of VRF inputs is collapsed into a small, the verification should remain secure even if the public commitment were setup in a malicious manner. The VRF

331

Large-Amplitude Mountain Wave Breaking over Greenland  

Science Conference Proceedings (OSTI)

A large-amplitude mountain wave generated by strong southwesterly flow over southern Greenland was observed during the Fronts and Atlantic Storm-Track Experiment (FASTEX) on 29 January 1997 by the NOAA G-IV research aircraft. Dropwindsondes ...

James D. Doyle; Melvyn A. Shapiro; Qingfang Jiang; Diana L. Bartels

2005-09-01T23:59:59.000Z

332

Infrastructure for large-scale tests in marine autonomy  

E-Print Network (OSTI)

This thesis focuses on the development of infrastructure for research with large-scale autonomous marine vehicle fleets and the design of sampling trajectories for compressive sensing (CS). The newly developed infrastructure ...

Hummel, Robert A. (Robert Andrew)

2012-01-01T23:59:59.000Z

333

Platforms and real options in large-scale engineering systems  

E-Print Network (OSTI)

This thesis introduces a framework and two methodologies that enable engineering management teams to assess the value of real options in programs of large-scale, partially standardized systems implemented a few times over ...

Kalligeros, Konstantinos C., 1976-

2006-01-01T23:59:59.000Z

334

Argonne TDC: Large Area CCD X-Ray Detector  

Large-Area CCD X-Ray Detector Opening Up New Horizons in the Study of Cellular and Metabolic Processes, Genetics, and Drug Development 2000 R&D 100 Award Winner!

335

Technoeconomic Evaluation of Large-Scale Electrolytic Hydrogen Production Technologies  

Science Conference Proceedings (OSTI)

Large-scale production of electrolytic hydrogen and oxygen could increase use of baseload and off-peak surplus power. To be competitive, however, water electrolysis will require low-cost electricity.

1985-09-20T23:59:59.000Z

336

Large File System Backup: NERSC Global File System Experience  

E-Print Network (OSTI)

Large File System Backup NERSC Global File System ExperienceNational Laboratory Abstract NERSCs Global File system (from all compute systems at NERSC, holds files and data from

Mokhtarani, Akbar

2008-01-01T23:59:59.000Z

337

3D exploitation of large urban photo archives  

E-Print Network (OSTI)

Recent work in computer vision has demonstrated the potential to automatically recover camera and scene geometry from large collections of uncooperatively-collected photos. At the same time, aerial ladar and Geographic ...

Snavely, Noah

338

Decomposition methods for large scale stochastic and robust optimization problems  

E-Print Network (OSTI)

We propose new decomposition methods for use on broad families of stochastic and robust optimization problems in order to yield tractable approaches for large-scale real world application. We introduce a new type of a ...

Becker, Adrian Bernard Druke

2011-01-01T23:59:59.000Z

339

SCIENCE ON SATURDAY- "The Large Hadron Collider: big science...  

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

5, 2013, 9:30am Science On Saturday MBG Auditorium SCIENCE ON SATURDAY- "The Large Hadron Collider: big science for big questions" Professor James Olsen Department of Physics,...

340

June 30, 2008: US portion of Large Hadron Collider completed  

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

June 30, 2008The Department and the National Science Foundation announce that the U.S. contribution to the Large Hadron Collider (LHC) has been completed on budget and ahead of schedule. The LHC,...

Note: This page contains sample records for the topic "alden large flume" 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

Student Pages: RFP-Large-Scale Diversion of Water  

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

Supplying Our Water Needs H2O Request For Proposal Large Scale Diversion of Water U.S. Army Corp of Engineers-Chicago District online Be sure to submit the online sign-off each...

342

An Ensemble Multiscale Filter for Large Nonlinear Data Assimilation Problems  

Science Conference Proceedings (OSTI)

Operational data assimilation problems tend to be very large, both in terms of the number of unknowns to be estimated and the number of measurements to be processed. This poses significant computational challenges, especially for ensemble methods,...

Yuhua Zhou; Dennis McLaughlin; Dara Entekhabi; Gene-Hua Crystal Ng

2008-02-01T23:59:59.000Z

343

Characterizations of Aircraft Icing Environments that Include Supercooled Large Drops  

Science Conference Proceedings (OSTI)

Measurements of aircraft icing environments that include supercooled large drops (SLD) greater than 50 ?m in diameter have been made during 38 research flights. These flights were conducted during the First and Third Canadian Freezing Drizzle ...

Stewart G. Cober; George A. Isaac; J. Walter Strapp

2001-11-01T23:59:59.000Z

344

Large-Scale Parallel Computing of Cloud Resolving Storm Simulator  

Science Conference Proceedings (OSTI)

A sever thunderstorm is composed of strong convective clouds. In order to perform a simulation of this type of storms, a very finegrid system is necessary to resolve individual convective clouds within a large domain. Since convective clouds are highly ...

Kazuhisa Tsuboki; Atsushi Sakakibara

2002-05-01T23:59:59.000Z

345

Study of the Far Wake of a Large Ship  

Science Conference Proceedings (OSTI)

A large dataset of high-resolution photographic images of far wakes of a volunteer observing ship (Royal Caribbeans Explorer of the Seas) has been acquired under various meteorological conditions and ship operation modes. This work presents the ...

M. Gilman; A. Soloviev; H. Graber

2011-05-01T23:59:59.000Z

346

Structure of Large-Amplitude Internal Solitary Waves  

Science Conference Proceedings (OSTI)

The horizontal and vertical structure of large-amplitude internal solitary waves propagating in stratified waters on a continental shelf is investigated by analyzing the results of numerical simulations and in situ measurements. Numerical ...

Vasiliy Vlasenko; Peter Brandt; Angelo Rubino

2000-09-01T23:59:59.000Z

347

book review: All islands in a large nutshell  

E-Print Network (OSTI)

on alpine habitats. The book largely fulfils this aim,in alpine habitats (the book mainly fo- cuses on plantare just minor issues and the book by Nagy and Grabherr is

Field, Richard

2010-01-01T23:59:59.000Z

348

Evaluating Large-Eddy Simulations Using Volume Imaging Lidar Data  

Science Conference Proceedings (OSTI)

The authors apply data analysis techniques that demonstrate the power of using volume imaging lidar observations to evaluate several aspects of large-eddy simulations (LESs). They present observations and simulations of an intense and spatially ...

Shane D. Mayor; Gregory J. Tripoli; Edwin W. Eloranta

2003-07-01T23:59:59.000Z

349

Large scale production of syntactic annotations to move forward  

Science Conference Proceedings (OSTI)

This article presents the methodology of the PASSAGE project, aiming at syntactically annotating large corpora by composing annotations. It introduces the annotation format and the syntactic annotation specifications. It describes an important component ...

Patrick Paroubek; Anne Vilnat; Sylvain Loiseau; Olivier Hamon; Gil Francopoulo; Eric Villemonte de la Clergerie

2008-08-01T23:59:59.000Z

350

Statistical abstraction and model-checking of large heterogeneous systems  

Science Conference Proceedings (OSTI)

We propose a new simulation-based technique for verifying applications running within a large heterogeneous system. Our technique starts by performing simulations of the system in order to learn the context in which the application is used. Then, it ...

Ananda Basu; Saddek Bensalem; Marius Bozga; Benot Caillaud; Benot Delahaye; Axel Legay

2010-06-01T23:59:59.000Z

351

Feasibility of Large-Scale CO2 Ocean Sequestration  

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

dioxide (CO 2 ) and other greenhouse gas emissions, due in large part to the burning of fossil fuels for energy consumption, has spawned debate over global climate change and...

352

On solving large scale polynomial convex problems by randomized ...  

E-Print Network (OSTI)

plications), the (unimprovable in the large-scale case) rate of convergence of FOM's ...... mjnj min[mj,nj]) a.o.) and eigenvalue decomposition of a matrix from Sm.

353

Investigations of tetraspanin functions using large extracellular loops  

E-Print Network (OSTI)

This thesis describes our characterization of a specific tetraspanin domain: the large extracellular loop (LEL). Tetraspanins are involved in cellular migration, adhesion, and metastasis, sperm-egg fusion, and viral ...

Liu, Christopher C

2005-01-01T23:59:59.000Z

354

Large-Eddy Simulation of the Convective Atmospheric Boundary Layer  

Science Conference Proceedings (OSTI)

Large-eddy simulations of a free convective atmospheric boundary layer with an overlying capping inversion are considered. Attention is given to the dependence of the results upon the various factors influencing the simulation: the subgrid model, ...

P. J. Mason

1989-06-01T23:59:59.000Z

355

Glendale Water and Power - Large Business Energy Efficiency Program...  

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

its medium and large business customers with electric bills of more than 3000 per month (electric usage of 250,000 kWh annually 36,000 per year) to encourage energy efficiency...

356

Spontaneous brillouin scattering quench diagnostics for large superconducting magnets  

E-Print Network (OSTI)

Large superconducting magnets used in fusion reactors, as well as other applications, need a diagnostic that can non-invasively measure the temperature and strain throughout the magnet in real-time. A new fiber optic sensor ...

Mahar, Scott B

2008-01-01T23:59:59.000Z

357

North Dakota's At-large congressional district: Energy Resources | Open  

Open Energy Info (EERE)

Dakota's At-large congressional district: Energy Resources Dakota's At-large congressional district: Energy Resources Jump to: navigation, search Equivalent URI DBpedia This article is a stub. You can help OpenEI by expanding it. This page represents a congressional district in North Dakota. Registered Energy Companies in North Dakota's At-large congressional district Alchem Ltd Blue Flint Ethanol Crownbutte Wind Power LLC DMI Industries EERC Center for Biomass Utilization EERC National Center for Hydrogen Technology Global Electric Motorcars Government of North Dakota M Power LLC Nor-son Construction Plains CO2 Reduction Partnership PCOR Tharaldson Ethanol LLC Wanzek Construction Wanzek Construction Inc Retrieved from "http://en.openei.org/w/index.php?title=North_Dakota%27s_At-large_congressional_district&oldid=196380"

358

Large-Scale Industrial CCS Projects Selected for Continued Testing |  

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

Large-Scale Industrial CCS Projects Selected for Continued Testing Large-Scale Industrial CCS Projects Selected for Continued Testing Large-Scale Industrial CCS Projects Selected for Continued Testing June 10, 2010 - 1:00pm Addthis Washington, DC - Three Recovery Act funded projects have been selected by the U.S. Department of Energy (DOE) to continue testing large-scale carbon capture and storage (CCS) from industrial sources. The projects - located in Texas, Illinois, and Louisiana - were initially selected for funding in October 2009 as part of a $1.4 billion effort to capture carbon dioxide (CO2) from industrial sources for storage or beneficial use. The first phase of research and development (R&D) included $21.6 million in Recovery Act funding and $22.5 million in private funding for a total initial investment of $44.1 million.

359

DOE Awards First Three Large-Scale Carbon Sequestration Projects |  

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

First Three Large-Scale Carbon Sequestration Projects First Three Large-Scale Carbon Sequestration Projects DOE Awards First Three Large-Scale Carbon Sequestration Projects October 9, 2007 - 3:14pm Addthis U.S. Projects Total $318 Million and Further President Bush's Initiatives to Advance Clean Energy Technologies to Confront Climate Change WASHINGTON, DC - In a major step forward for demonstrating the promise of clean energy technology, U.S Deputy Secretary of Energy Clay Sell today announced that the Department of Energy (DOE) awarded the first three large-scale carbon sequestration projects in the United States and the largest single set in the world to date. The three projects - Plains Carbon Dioxide Reduction Partnership; Southeast Regional Carbon Sequestration Partnership; and Southwest Regional Partnership for Carbon

360

Photo of the Week: Living Large -- Argonne's First Computer ...  

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

there was Google, or even the Internet, there was the computer -- and the earliest computers were so large that just one could occupy an entire room. AVIDAC was the first...

Note: This page contains sample records for the topic "alden large flume" 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

On the Net Cyclonic Circulation in Large Stratified Lakes  

Science Conference Proceedings (OSTI)

This paper proposes a possible explanation for the mean cyclonic circulation in large stratified lakes The condition of no heat flux through the bottom boundary causes the isotherms to dip near the shores to intersect the sloping bottom ...

David J. Schwab; William P. O'Connor; George L. Mellor

1995-06-01T23:59:59.000Z

362

Large deviations principles of Non-Freidlin-Wentzell type  

E-Print Network (OSTI)

Generalized Large deviation principles of Non-Freidlin-Wentzell type was developed for weakly time inhomogeneous diffusions prove to be key tools for a treatment of the problem of diffusion exit from a domain and thus for the approach of stochastic resonance via transition probabilities between meta-stable states. We expand the classical theory of large deviations for randomly perturbed dynamical systems developed by Freidlin and Wentzell.

Jaykov Foukzon

2008-03-14T23:59:59.000Z

363

Safety aspects of large-scale handling of hydrogen  

DOE Green Energy (OSTI)

Since the decade of the 1950s, there has been a large increase in the quantity of hydrogen, especially liquid hydrogen, that has been produced, transported, and used. The technology of hydrogen, as it relates to safety, has also developed at the same time. The possible sources of hazards that can arise in the large-scale handling of hydrogen are recognized, and for the most part, sufficiently understood. These hazard sources are briefly discussed. 26 refs., 4 figs.

Edeskuty, F.J.; Stewart, W.F.

1988-01-01T23:59:59.000Z

364

Learning to See at the Large Hadron Collider  

E-Print Network (OSTI)

The staged commissioning of the Large Hadron Collider presents an opportunity to map gross features of particle production over a significant energy range. I suggest a visual tool - event displays in (pseudo)rapidity-transverse-momentum space - as a scenic route that may help sharpen intuition, identify interesting classes of events for further investigation, and test expectations about the underlying event that accompanies large-transverse-momentum phenomena.

Chris Quigg

2010-01-12T23:59:59.000Z

365

Criticality concerns in cleaning large uranium hexafluoride cylinders  

SciTech Connect

Cleaning large cylinders used to transport low-enriched uranium hexafluoride (UF{sub 6}) presents several challenges to nuclear criticality safety. This paper presents a brief overview of the cleaning process, the criticality controls typically employed and their bases. Potential shortfalls in implementing these controls are highlighted, and a simple example to illustrate the difficulties in complying with the Double Contingency Principle is discussed. Finally, a summary of recommended criticality controls for large cylinder cleaning operations is presented.

Sheaffer, M.K.; Keeton, S.C.; Lutz, H.F.

1995-06-01T23:59:59.000Z

366

Modeling a Dry Etch Process for Large-Area Devices  

DOE Green Energy (OSTI)

There has been considerable interest in developing dry processes which can effectively replace wet processing in the manufacture of large area photovoltaic devices. Environmental and health issues are a driver for this activity because wet processes generally increase worker exposure to toxic and hazardous chemicals and generate large volumes of liquid hazardous waste. Our work has been directed toward improving the performance of screen-printed solar cells while using plasma processing to reduce hazardous chemical usage.

Buss, R.J.; Hebner, G.A.; Ruby, D.S.; Yang, P.

1999-07-28T23:59:59.000Z

367

Learning to See at the Large Hadron Collider  

SciTech Connect

The staged commissioning of the Large Hadron Collider presents an opportunity to map gross features of particle production over a significant energy range. I suggest a visual tool - event displays in (pseudo)rapidity-transverse-momentum space - as a scenic route that may help sharpen intuition, identify interesting classes of events for further investigation, and test expectations about the underlying event that accompanies large-transverse-momentum phenomena.

Quigg, Chris

2010-01-01T23:59:59.000Z

368

Distribution of linearly polarized gluons inside a large nucleus  

E-Print Network (OSTI)

The distribution of linearly polarized gluons inside a large nucleus is studied in the framework of the color glass condensate. We find that the Weizs\\"acker-Williams distribution saturates the positivity bound at large transverse momenta and is suppressed at small transverse momenta, whereas the dipole distribution saturates the bound for any value of the transverse momentum. We also discuss processes in which both distributions of linearly polarized gluons can be probed.

Andreas Metz; Jian Zhou

2011-05-10T23:59:59.000Z

369

The Phoenix series large scale LNG pool fire experiments.  

SciTech Connect

The increasing demand for natural gas could increase the number and frequency of Liquefied Natural Gas (LNG) tanker deliveries to ports across the United States. Because of the increasing number of shipments and the number of possible new facilities, concerns about the potential safety of the public and property from an accidental, and even more importantly intentional spills, have increased. While improvements have been made over the past decade in assessing hazards from LNG spills, the existing experimental data is much smaller in size and scale than many postulated large accidental and intentional spills. Since the physics and hazards from a fire change with fire size, there are concerns about the adequacy of current hazard prediction techniques for large LNG spills and fires. To address these concerns, Congress funded the Department of Energy (DOE) in 2008 to conduct a series of laboratory and large-scale LNG pool fire experiments at Sandia National Laboratories (Sandia) in Albuquerque, New Mexico. This report presents the test data and results of both sets of fire experiments. A series of five reduced-scale (gas burner) tests (yielding 27 sets of data) were conducted in 2007 and 2008 at Sandia's Thermal Test Complex (TTC) to assess flame height to fire diameter ratios as a function of nondimensional heat release rates for extrapolation to large-scale LNG fires. The large-scale LNG pool fire experiments were conducted in a 120 m diameter pond specially designed and constructed in Sandia's Area III large-scale test complex. Two fire tests of LNG spills of 21 and 81 m in diameter were conducted in 2009 to improve the understanding of flame height, smoke production, and burn rate and therefore the physics and hazards of large LNG spills and fires.

Simpson, Richard B.; Jensen, Richard Pearson; Demosthenous, Byron; Luketa, Anay Josephine; Ricks, Allen Joseph; Hightower, Marion Michael; Blanchat, Thomas K.; Helmick, Paul H.; Tieszen, Sheldon Robert; Deola, Regina Anne; Mercier, Jeffrey Alan; Suo-Anttila, Jill Marie; Miller, Timothy J.

2010-12-01T23:59:59.000Z

370

Properties of Jets Measured with Charged Particles with the ATLAS Detector at the Large Hadron Collider  

E-Print Network (OSTI)

3 The Large Hadron Collider and ATLAS3.1 The Large Hadron Collider Complex . . . . . . . .of QCD at the Large Hadron Collider. These improvements will

Zenz, Seth Conrad

2011-01-01T23:59:59.000Z

371

NIF Large Optics Metrology Software: Description and Algorithms  

SciTech Connect

Several software packages have been developed for use by NIF large optics vendors during production of NIF optics. These packages allow specific comparison of the interferometer measurements done on optics against the wavefront requirements for those optics, as given on relevant drawings. This document outlines the various packages, and their specific applications, and describes in some detail the calculational algorithms used. It is intended as the primary reference document for the codes (aside from the source codes themselves). In order to ensure good laser beam quality, NIF requires that all large optics be measured with an interferometer to monitor how that optic will affect beam wavefront quality and focusability. Various specifications for transmitted wavefront (TWF) and reflected wavefront (RWF) for the full-aperture parts, and for various sub-apertures, are given on the large optics drawings. For reference, a summary of the various specifications for the NIF large optics is given in Figure 1. Each large optic in production will be measured against some of these specifications. Other specifications will be monitored in a 'process validation' fashion by measuring a representative sample of parts to assure the process is yielding parts which pass specification. This document will focus on the specifications requiring measurements on every part. This document will not go into detail concerning the procedures and limitations of the measurements themselves.

Williams, W H

2002-10-15T23:59:59.000Z

372

Review articles Outbreaks associated to large open air festivals,  

E-Print Network (OSTI)

In the minds of many, large scale open air festivals have become associated with spring and summer, attracting many people, and in the case of music festivals, thousands of music fans. These festivals share the usual health risks associated with large mass gatherings, including transmission of communicable diseases and risk of outbreaks. Large scale open air festivals have however specific characteristics, including outdoor settings, on-site housing and food supply and the generally young age of the participants. Outbreaks at large scale open air festivals have been caused by Cryptosporium parvum, Campylobacter spp., Escherichia coli, Salmonella enterica, Shigella sonnei, Staphylococcus aureus, hepatitis A virus, influenza virus, measles virus, mumps virus and norovirus. Faecal-oral and respiratory transmissions of pathogens result from non-compliance with hygiene rules, inadequate sanitation and insufficient vaccination coverage. Sexual transmission of infectious diseases may also occur and is likely to be underestimated and underreported. Enhanced surveillance during and after festivals is essential. Preventive measures such as immunisations of participants and advice on-site and via social networks should be considered to reduce outbreaks at these large scale open air festivals.

unknown authors

2012-01-01T23:59:59.000Z

373

RAPID DETERMINATION OF RADIOSTRONTIUM IN LARGE SOIL SAMPLES  

SciTech Connect

A new method for the determination of radiostrontium in large soil samples has been developed at the Savannah River Environmental Laboratory (Aiken, SC, USA) that allows rapid preconcentration and separation of strontium in large soil samples for the measurement of strontium isotopes by gas flow proportional counting. The need for rapid analyses in the event of a Radiological Dispersive Device (RDD) or Improvised Nuclear Device (IND) event is well-known. In addition, the recent accident at Fukushima Nuclear Power Plant in March, 2011 reinforces the need to have rapid analyses for radionuclides in environmental samples in the event of a nuclear accident. The method employs a novel pre-concentration step that utilizes an iron hydroxide precipitation (enhanced with calcium phosphate) followed by a final calcium fluoride precipitation to remove silicates and other matrix components. The pre-concentration steps, in combination with a rapid Sr Resin separation using vacuum box technology, allow very large soil samples to be analyzed for {sup 89,90}Sr using gas flow proportional counting with a lower method detection limit. The calcium fluoride precipitation eliminates column flow problems typically associated with large amounts of silicates in large soil samples.

Maxwell, S.

2012-05-24T23:59:59.000Z

374

Statistical Analysis of the Spatial Evolution of the Stationary Wind Wave Field  

Science Conference Proceedings (OSTI)

Detailed investigation of wind-generated water waves in a 5-m-long wind wave flume facility is reported. Careful measurements were carried out at a large number of locations along the test section and at numerous airflow rates. The evolution of ...

A. Zavadsky; D. Liberzon; L. Shemer

2013-01-01T23:59:59.000Z

375

DOE Regional Partnership Begins Core Sampling for Large-Volume  

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

Regional Partnership Begins Core Sampling for Large-Volume Regional Partnership Begins Core Sampling for Large-Volume Sequestration Test DOE Regional Partnership Begins Core Sampling for Large-Volume Sequestration Test May 22, 2009 - 1:00pm Addthis Washington, DC - The Plains CO2 Reduction (PCOR) Partnership, one of seven members of the U.S. Department of Energy's Regional Carbon Sequestration Partnerships program, has begun collecting core samples from a new characterization well near Spectra Energy's Fort Nelson natural gas processing plant in British Columbia, Canada. Core sampling, along with a sophisticated well logging program that the partnership is conducting, is an important step in proving the viability of carbon storage in brine-saturated formations. The Fort Nelson project is on track to become one of the first

376

Oncor Electric Delivery - Large Commercial and Industrial Rebate Program |  

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

Oncor Electric Delivery - Large Commercial and Industrial Rebate Oncor Electric Delivery - Large Commercial and Industrial Rebate Program Oncor Electric Delivery - Large Commercial and Industrial Rebate Program < Back Eligibility Commercial Construction Industrial Installer/Contractor Institutional Local Government Schools State Government Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Manufacturing Other Heat Pumps Appliances & Electronics Commercial Lighting Lighting Home Weatherization Insulation Design & Remodeling Windows, Doors, & Skylights Solar Buying & Making Electricity Water Heating Wind Maximum Rebate General: 20% of the incentive budget in a given budget year Contact Oncor for additional details Program Info State Texas Program Type Utility Rebate Program Rebate Amount DX Air Conditioning: $285.30/kW; $0.09/kWh

377

Fermilab | Science at Fermilab | Fermilab and the Higgs Boson | Large  

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

Fermilab and the Higgs Boson Fermilab and the Higgs Boson In this Section: Fermilab and the Higgs Boson Tevatron Experiments: CDF and DZero Large Hadron Collider Experiments: CMS Large Hadron Collider Experiments: CMS On July 4, 2012, scientists on the CMS and ATLAS experiments at the Large Hadron Collider announced the discovery of the Higgs boson. Fermilab was heavily involved in both the construction of the LHC – designing magnets that focus the particle beams into a collision – and the science conducted with the accelerator that led to the Higgs discovery. Scientists from the United States, including 100 Fermilab employees, make up approximately a third of the CMS collaboration, one of the two main experiments operating on the LHC. Fermilab serves as the hub for U.S. researchers working on the international experiment. Fermilab is home to

378

Breakthrough Large-Scale Industrial Project Begins Carbon Capture and  

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

Breakthrough Large-Scale Industrial Project Begins Carbon Capture Breakthrough Large-Scale Industrial Project Begins Carbon Capture and Utilization Breakthrough Large-Scale Industrial Project Begins Carbon Capture and Utilization January 25, 2013 - 12:00pm Addthis Washington, DC - A breakthrough carbon capture, utilization, and storage (CCUS) project in Texas has begun capturing carbon dioxide (CO2) and piping it to an oilfield for use in enhanced oil recovery (EOR). Read the project factsheet The project at Air Products and Chemicals hydrogen production facility in Port Arthur, Texas, is significant for demonstrating both the effectiveness and commercial viability of CCUS technology as an option in helping mitigate atmospheric CO2 emissions. Funded in part through the American Recovery and Reinvestment Act (ARRA), the project is managed by the U.S.

379

Appliance and Equipment Standards Result in Large Energy, Economic, and  

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

Appliance and Equipment Standards Result in Large Energy, Economic, Appliance and Equipment Standards Result in Large Energy, Economic, and Environmental Benefits Appliance and Equipment Standards Result in Large Energy, Economic, and Environmental Benefits Saving Consumers and Businesses Energy and Money by Setting Efficiency Standards Saving Consumers and Businesses Energy and Money by Setting Efficiency Standards The Building Technologies Office (BTO) implements minimum energy conservation standards for more than 50 categories of appliances and equipment. As a result of these standards, energy users saved about $40 billion on their utility bills in 2010. Since 2009, 18 new or updated standards have been issued, which will help increase annual savings by more than 50 percent over the next decade. By 2030, cumulative operating cost

380

Breakthrough Large-Scale Industrial Project Begins Carbon Capture and  

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

Breakthrough Large-Scale Industrial Project Begins Carbon Capture Breakthrough Large-Scale Industrial Project Begins Carbon Capture and Utilization Breakthrough Large-Scale Industrial Project Begins Carbon Capture and Utilization January 25, 2013 - 12:00pm Addthis Washington, DC - A breakthrough carbon capture, utilization, and storage (CCUS) project in Texas has begun capturing carbon dioxide (CO2) and piping it to an oilfield for use in enhanced oil recovery (EOR). Read the project factsheet The project at Air Products and Chemicals hydrogen production facility in Port Arthur, Texas, is significant for demonstrating both the effectiveness and commercial viability of CCUS technology as an option in helping mitigate atmospheric CO2 emissions. Funded in part through the American Recovery and Reinvestment Act (ARRA), the project is managed by the U.S.

Note: This page contains sample records for the topic "alden large flume" 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

Idaho Power - Large Commercial Custom Efficiency Program | Department of  

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

Large Commercial Custom Efficiency Program Large Commercial Custom Efficiency Program Idaho Power - Large Commercial Custom Efficiency Program < Back Eligibility Agricultural Commercial Industrial Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Manufacturing Other Appliances & Electronics Commercial Lighting Lighting Maximum Rebate Commercial and Industrial: 70% of project cost Custom Incentive for Existing Irrigation System Replacement: up to 75% of the total project cost Custom Incentive for a New Irrigation System: up to 10% of the total project cost Program Info Funding Source Conservation Program Funding Charge State Idaho Program Type Utility Rebate Program Rebate Amount Commercial and Industrial: $0.12/kWh saved Agricultural Irrigation Efficiency: $0.25/annual kWh saved or $450/kW

382

DOE Regional Partnership Begins Core Sampling for Large-Volume  

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

Regional Partnership Begins Core Sampling for Large-Volume Regional Partnership Begins Core Sampling for Large-Volume Sequestration Test DOE Regional Partnership Begins Core Sampling for Large-Volume Sequestration Test May 22, 2009 - 1:00pm Addthis Washington, DC - The Plains CO2 Reduction (PCOR) Partnership, one of seven members of the U.S. Department of Energy's Regional Carbon Sequestration Partnerships program, has begun collecting core samples from a new characterization well near Spectra Energy's Fort Nelson natural gas processing plant in British Columbia, Canada. Core sampling, along with a sophisticated well logging program that the partnership is conducting, is an important step in proving the viability of carbon storage in brine-saturated formations. The Fort Nelson project is on track to become one of the first

383

Energy Characteristics and Energy Consumed in Large Hospital Buildings in  

Gasoline and Diesel Fuel Update (EIA)

Energy Characteristics and Energy Consumed in Large Hospital Buildings in Energy Characteristics and Energy Consumed in Large Hospital Buildings in the United States in 2007 Main Report | Methodology | FAQ | List of Tables CBECS 2007 - Release date: August 17, 2012 Hospitals consume large amounts of energy because of how they are run and the many people that use them. They are open 24 hours a day; thousands of employees, patients, and visitors occupy the buildings daily; and sophisticated heating, ventilation, and air conditioning (HVAC) systems control the temperatures and air flow. In addition, many energy intensive activities occur in these buildings: laundry, medical and lab equipment use, sterilization, computer and server use, food service, and refrigeration. The 2003 Commercial Building Energy Consumption Survey (CBECS) data showed

384

Building Energy Software Tools Directory: ID-Spec Large  

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

ID-Spec Large ID-Spec Large ID-Spec Large is software for the electrical installation design of industrial and tertiary buildings. It helps to design a green electrical installation by enabling the user to: - Assess the impact of selecting energy efficiency solutions like power factor correction and low losses transformers in terms of cost savings - Reduce power losses and consequently carbon emissions in the electrical installation by optimizing equipment locations - Reduce investment cost while using less raw materials by optimizing length and cross-section of cables - Assess the percentage of recyclable materials for cables and busbar trunking systems. Screen Shots Keywords Electrical installation design, power losses assessment, CO2 emissions, quantity of conductors

385

title Automated Price and Demand Response Demonstration for Large Customers  

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

Automated Price and Demand Response Demonstration for Large Customers Automated Price and Demand Response Demonstration for Large Customers in New York City using OpenADR booktitle International Conference for Enhanced Building Operations ICEBO year month address Montreal Quebec abstract p class p1 Open Automated Demand Response OpenADR an XML based information exchange model is used to facilitate continuous price responsive operation and demand response participation for large commercial buildings in New York who are subject to the default day ahead hourly pricing We summarize the existing demand response programs in New York and discuss OpenADR communication prioritization of demand response signals and control methods Building energy simulation models are developed and field tests are conducted to evaluate continuous energy management

386

Mandatory Green Power Option for Large Municipal Utilities | Department of  

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

Green Power Option for Large Municipal Utilities Green Power Option for Large Municipal Utilities Mandatory Green Power Option for Large Municipal Utilities < Back Eligibility Municipal Utility Savings Category Bioenergy Alternative Fuel Vehicles Hydrogen & Fuel Cells Water Buying & Making Electricity Solar Wind Program Info State Colorado Program Type Mandatory Utility Green Power Option Provider Colorado Public Utilities Commission Municipal electric utilities serving more than 40,000 customers in Colorado must offer an optional green-power program that allows retail customers the choice of supporting emerging renewable technologies. This policy complements Colorado's renewable portfolio standard (RPS), which requires municipal utilities serving more than 40,000 customers to use renewable energy and energy recycling to account for 10% of retail sales by 2020.

387

Online Monitoring Technical Basis and Analysis Framework for Large Power  

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

for Large for Large Power Transformers; Interim Report for FY 2012 Online Monitoring Technical Basis and Analysis Framework for Large Power Transformers; Interim Report for FY 2012 The Light Water Reactor Sustainability Program is a research, development, and deployment program sponsored by the U.S. Department of Energy Office of Nuclear Energy. The program is operated in collaboration with the Electric Power Research Institute's (EPRI's) research and development efforts in the Long-Term Operations (LTO) Program. The LTO Program is managed as a separate technical program operating in the Plant Technology Department of the EPRI Nuclear Power Sector with the guidance of an industry advisory Integration Committee. Because both the Department of Energy Office of Nuclear Energy and EPRI conduct research and development in technologies

388

Large Power Transformers and the U.S. Electric Grid  

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

Infrastructure Security and Energy Restoration Infrastructure Security and Energy Restoration Office of Electricity Delivery and Energy Reliability U.S. Department of Energy LARGE POWER TRANSFORMERS AND THE U.S. ELECTRIC GRID Large Power Transformers and the U.S. Electric Grid i This page intentionally left blank. Large Power Transformers and the U.S. Electric Grid DOE / OE / ISER June 2012 ii FOR FURTHER INFORMATION This report was prepared by the Office of Electricity Delivery and Energy Reliability under the direction of Patricia Hoffman, Assistant Secretary, and William Bryan, Deputy Assistant Secretary. Specific questions about information in this report may be directed to Dr. Kenneth Friedman, Senior Policy Advisor (kenneth.friedman@hq.doe.gov). Tiffany Y. Choi of ICF International contributed to this report.

389

The Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA)  

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

LBA (Amazon) LBA (Amazon) The Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) Overview [LBA Logo] The Large-Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) is an international research initiative conducted from 1995-2005 and led by Brazil. The LBA Project encompasses several scientific disciplines, or components. The LBA-ECO component focuses on the question: "How do tropical forest conversion, regrowth, and selective logging influence carbon storage, nutrient dynamics, trace gas fluxes, and the prospect for sustainable land use in Amazonia?" The Amazon rain forest or Amazonia, is the largest remaining expanse of tropical rain forest on Earth, harboring approximately one-third of all Earth's species. Although the rain forest's area is so large that it

390

COMMENTS OF THE LARGE-SCALE SOLAR ASSOCIATION TO DEPARTMENT  

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

COMMENTS OF THE LARGE-SCALE SOLAR ASSOCIATION TO DEPARTMENT COMMENTS OF THE LARGE-SCALE SOLAR ASSOCIATION TO DEPARTMENT OF ENERGY'S RAPID RESPONSE TEAM FOR TRANSMISSION'S REQUEST FOR INFORMATION Submitted by electronic mail to: Lamont.Jackson@hq.doe.gov The Large-scale Solar Association appreciates this opportunity to respond to the Department of Energy's (DOE) Rapid Response Team for Transmission's (RRTT) Request for Information. 1 We applaud the DOE for creating the RRTT and continuing to advance the efforts already made under the Memorandum of Understanding (MOU) entered into by nine Federal agencies in 2009 to expedite electric transmission construction. We also applaud the federal and state agencies that have expanded the Renewable Energy Policy Group and the Renewable Energy Action Team in California to focus on transmission, and hope that the tremendous

391

Sealing Ducts in Large Commercial Buildings with Aerosolized Sealant Particles  

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

2414 2414 1 Sealing Ducts in Large Commercial Buildings with Aerosolized Sealant Particles M. P. Modera, O. Brzozowski ** , F. R. Carrié * , D. J. Dickerhoff, W. W. Delp, W. J. Fisk, R. Levinson, D. Wang Abstract Electricity energy savings potential by eliminating air leakage from ducts in large commercial buildings is on the order of 10 kWh/m 2 per year (1 kWh/ft 2 ). We have tested, in two large commercial buildings, a new technology that simultaneously seals duct leaks and measures effective leakage area of ducts. The technology is based upon injecting a fog of aerosolized sealant particles into a pressurized duct system. In brief, this process involves blocking all of the intentional openings in a duct system (e.g., diffusers). Therefore, when the system is pressurized, the only place for the air carrying the aerosol

392

Energy Conservation of Air Conditioning Systems in Large Public Buildings  

E-Print Network (OSTI)

Analyzing the actuality of the large-scale public buildings' energy consumption, we know that most of them run not only in low efficiency, but also in high energy consumption. According to the characteristics of the building, we should proceed with the heating characteristics of the exterior -protected construction, the set value of the temperature of the air-conditioning, the lectotype of the Central air-conditioning system, the regulation and the modification of the transmission and distribution system, the use of the new energy and the daily management or the method of adjustment and control, and so on , so we can make the air-conditioning system run efficiently. Analyzing and comparing the large-scale public buildings' energy consumption with each other, some pointed improvement measures are proposed further. According to the study and analysis, even though large-scale public buildings consume a great of energy, there exists a huge potential for energy conservation.

Liu, P.; Li, D.

2006-01-01T23:59:59.000Z

393

Usenetfs: A Stackable File System for Large Article Directories  

E-Print Network (OSTI)

The Internet has grown much in popularity in the past few years. Numerous users read USENET newsgroups daily for entertainment, work, study, and more. USENET News servers have seen a gradual increase in the traffic exchanged between them, to a point where the hardware and software supporting the servers is no longer capable of meeting demand, at which point the servers begin "dropping " articles they could not process. The rate of this increase has been faster than software or hardware improvements were able to keep up, resulting in much time and effort spent by administrators upgrading their news systems. One of the primary reasons for the slowness of news servers has been the need to process many articles in very large flat directories representing newsgroups such as control. cancel and misc.jobs.offered. A large portion of the resources is spent on processing articles in these few newsgroups. Most Unix directories are organized as a linear unsorted sequence of entries. Large newsgr...

Erez Zadok; Ion Badulescu

1998-01-01T23:59:59.000Z

394

Design of large aperture, low mass vacuum windows  

SciTech Connect

Large vacuum vessels are employed downstream of fixed targets in High Energy Physics experiments to provide a long path for particles to traverse without interacting with air molecules. These vessels generally have a large aperture opening known as a vacuum window which employs a thin membrane to preserve the vacuum environment yet allows the particles to pass through with a minimal effect on them. Several large windows have been built using a composite of Kevlar/Mylar including circular windows to a diameter of 96.5 cm and rectangular windows up to 193 cm x 86 cm. This paper describes the design, fabrication, testing and operating experience with these windows and relates the actual performance to theoretical predictions.

Leonhardt, W.J.; Mapes, M.

1993-07-01T23:59:59.000Z

395

Design of large aperture, low mass vacuum windows  

SciTech Connect

Large vacuum vessels are employed downstream of fixed targets in High Energy Physics experiments to provide a long path for particles to traverse without interacting with air molecules. These vessels generally have a large aperture opening known as a vacuum window which employs a thin membrane to preserve the vacuum environment yet allows the particles to pass through with a minimal effect on them. Several large windows have been built using a composite of Kevlar/Mylar including circular windows to a diameter of 96.5 cm and rectangular windows up to 193 cm x 86 cm. This paper describes the design, fabrication, testing and operating experience with these windows and relates the actual performance to theoretical predictions.

Leonhardt, W.J.; Mapes, M.

1993-01-01T23:59:59.000Z

396

Large-Eddy Simulation of Wind-Plant Aerodynamics: Preprint  

DOE Green Energy (OSTI)

In this work, we present results of a large-eddy simulation of the 48 multi-megawatt turbines composing the Lillgrund wind plant. Turbulent inflow wind is created by performing an atmospheric boundary layer precursor simulation and turbines are modeled using a rotating, variable-speed actuator line representation. The motivation for this work is that few others have done wind plant large-eddy simulations with a substantial number of turbines, and the methods for carrying out the simulations are varied. We wish to draw upon the strengths of the existing simulations and our growing atmospheric large-eddy simulation capability to create a sound methodology for performing this type of simulation. We have used the OpenFOAM CFD toolbox to create our solver.

Churchfield, M. J.; Lee, S.; Moriarty, P. J.; Martinez, L. A.; Leonardi, S.; Vijayakumar, G.; Brasseur, J. G.

2012-01-01T23:59:59.000Z

397

Nuclear-pumped lasers for large-scale applications  

SciTech Connect

Efficient initiation of large-volume chemical lasers may be achieved by neutron induced reactions which produce charged particles in the final state. When a burst mode nuclear reactor is used as the neutron source, both a sufficiently intense neutron flux and a sufficiently short initiation pulse may be possible. Proof-of-principle experiments are planned to demonstrate lasing in a direct nuclear-pumped large-volume system; to study the effects of various neutron absorbing materials on laser performance; to study the effects of long initiation pulse lengths; to demonstrate the performance of large-scale optics and the beam quality that may be obtained; and to assess the performance of alternative designs of burst systems that increase the neutron output and burst repetition rate. 21 refs., 8 figs., 5 tabs.

Anderson, R.E.; Leonard, E.M.; Shea, R.F.; Berggren, R.R.

1989-05-01T23:59:59.000Z

398

Forward Jet Production at the Large Hadron Collider  

E-Print Network (OSTI)

At the Large Hadron Collider (LHC) it will become possible for the first time to investigate experimentally the forward region in hadron-hadron collisions via high-$p_T$ processes. In the LHC forward kinematics QCD logarithmic corrections in the hard transverse momentum and in the large rapidity interval may both be quantitatively significant. We analyze the hadroproduction of forward jets in the framework of QCD high-energy factorization, which allows one to resum consistently both kinds of corrections to higher orders in QCD perturbation theory. We compute the short-distance matrix elements needed to evaluate the factorization formula at fully exclusive level. We discuss numerically dynamical features of multi-gluon emission at large angle encoded in the factorizing high-energy amplitudes.

M. Deak; F. Hautmann; H. Jung; K. Kutak

2009-08-04T23:59:59.000Z

399

Principal considerations in large energy-storage capacitor banks  

SciTech Connect

Capacitor banks storing one or more megajoules and costing more than one million dollars have unique problems not often found in smaller systems. Two large banks, Scyllac at Los Alamos and Shiva at Livermore, are used as models of large, complex systems. Scyllac is a 10-MJ, 60-kV theta-pinch system while Shiva is a 20-MJ, 20-kV energy system for laser flash lamps. A number of design principles are emphasized for expediting the design and construction of large banks. The sensitive features of the charge system, the storage system layout, the switching system, the transmission system, and the design of the principal bank components are presented. Project management and planning must involve a PERT chart with certain common features for all the activities. The importance of the budget is emphasized.

Kemp, E.L.

1976-01-01T23:59:59.000Z

400

Nevada Weatherizes Large-Scale Complex | Department of Energy  

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

Nevada Weatherizes Large-Scale Complex Nevada Weatherizes Large-Scale Complex Nevada Weatherizes Large-Scale Complex July 1, 2010 - 10:11am Addthis What does this project do? This nonprofit weatherized a 22-unit low-income multifamily complex, reducing the building's duct leakage from 90 percent to just 5 percent. The weatherization program of the Rural Nevada Development Corporation (RNDC) reached a recent success in its eleven counties-wide territory. In June, the nonprofit finished weatherizing a 22-unit low-income multifamily complex, reducing the building's duct leakage from 90 percent to just 5 percent. "That is one big savings and is why I am proud of this project," says Dru Simerson, RNDC Weatherization Manager. RNDC's crew replaced all windows and 17 furnaces and installed floor

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401

DeFrees Large Wave Basin | Open Energy Information  

Open Energy Info (EERE)

Large Wave Basin Large Wave Basin Jump to: navigation, search Basic Specifications Facility Name DeFrees Large Wave Basin Overseeing Organization Cornell University Hydrodynamics Hydrodynamic Testing Facility Type Wave Basin Length(m) 32.0 Beam(m) 0.6 Depth(m) 0.9 Water Type Freshwater Towing Capabilities Towing Capabilities None Wavemaking Capabilities Wavemaking Capabilities Yes Maximum Wave Height(m) 0.5 Maximum Wave Height(m) at Wave Period(s) 3.0 Maximum Wave Length(m) 64 Wave Period Range(s) 3.0 Current Velocity Range(m/s) 0.0 Programmable Wavemaking Yes Wavemaking Description Computer controlled 4m hydraulic wave paddle stroke allows a series of solitary waves to be generated; arbitrary wave shape possible Wave Direction Uni-Directional Simulated Beach Yes

402

Nested cycles in large triangulations and crossing-critical graphs  

E-Print Network (OSTI)

We show that every sufficiently large plane triangulation has a large collection of nested cycles that either are pairwise disjoint, or pairwise intersect in exactly one vertex, or pairwise intersect in exactly two vertices. We apply this result to show that for each fixed positive integer $k$, there are only finitely many $k$-crossing-critical simple graphs of average degree at least six. Combined with the recent constructions of crossing-critical graphs given by Bokal, this settles the question of for which numbers $q>0$ there is an infinite family of $k$-crossing-critical simple graphs of average degree $q$.

Hernandez-Velez, Cesar; Thomas, Robin

2009-01-01T23:59:59.000Z

403

Opto-Electronics in Large Array Gas Detector Systems  

E-Print Network (OSTI)

Large array gas detector systems are used in particle and nuclear physics experiments involving high-energy nucleon-nucleon and heavy-ion collisions. We have observed that in large array gas detector systems the momentary discharges inside the detector cells result in slowdown of High Voltage conditioning and possible hindrances in signal processing. We have explored the opto-electronic devices like the opto-coupler, optical fibre and signal processing circuit, which provide successful monitoring procedures and preventive measures to overcome the challenges produced in such complex detector systems.

M. R. Dutta Majumdar; Debasish Das; Tapan K. Nayak

2005-12-23T23:59:59.000Z

404

PHASE TRANSITION GENERATED COSMOLOGICAL MAGNETIC FIELD AT LARGE SCALES  

SciTech Connect

We constrain a primordial magnetic field (PMF) generated during a phase transition (PT) using the big bang nucleosynthesis bound on the relativistic energy density. The amplitude of the PMF at large scales is determined by the shape of the PMF spectrum outside its maximal correlation length scale. Even if the amplitude of the PMF at 1 Mpc is small, PT-generated PMFs can leave observable signatures in the potentially detectable relic gravitational wave background if a large enough fraction (1%-10%) of the thermal energy is converted into the PMF.

Kahniashvili, Tina [McWilliams Center for Cosmology and Department of Physics, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, PA 15213 (United States); Tevzadze, Alexander G. [Abastumani Astrophysical Observatory, Ilia State University, 2A Kazbegi Ave., Tbilisi 0160 (Georgia); Ratra, Bharat, E-mail: tinatin@phys.ksu.edu, E-mail: aleko@tevza.org, E-mail: ratra@phys.ksu.edu [Department of Physics, Kansas State University, 116 Cardwell Hall, Manhattan, KS 66506 (United States)

2011-01-10T23:59:59.000Z

405

Metal hydride based isotope separation: Large-scale operations  

DOE Green Energy (OSTI)

A program to develop a metal hydride based hydrogen isotope separation process began at the Savannah River Laboratory in 1980. This semi-continuous gas chromatographic separation process will be used in new tritium facilities at the Savannah River Site. A tritium production unit is scheduled to start operation in 1993. An experimental, large-scale unit is currently being tested using protium and deuterium. Operation of the large-scale unit has demonstrated separation of mixed hydrogen isotopes (55% protium and 45% deuterium), resulting in protium and deuterium product streams with purities better than 99.5%. 3 refs., 4 figs.

Horen, A.S.; Lee, Myung W.

1991-01-01T23:59:59.000Z

406

Metal hydride based isotope separation: Large-scale operations  

DOE Green Energy (OSTI)

A program to develop a metal hydride based hydrogen isotope separation process began at the Savannah River Laboratory in 1980. This semi-continuous gas chromatographic separation process will be used in new tritium facilities at the Savannah River Site. A tritium production unit is scheduled to start operation in 1993. An experimental, large-scale unit is currently being tested using protium and deuterium. Operation of the large-scale unit has demonstrated separation of mixed hydrogen isotopes (55% protium and 45% deuterium), resulting in protium and deuterium product streams with purities better than 99.5%. 3 refs., 4 figs.

Horen, A.S.; Lee, Myung W.

1991-12-31T23:59:59.000Z

407

Exploiting Universality in Atoms with Large Scattering Lengths  

SciTech Connect

The focus of this research project was atoms with scattering lengths that are large compared to the range of their interactions and which therefore exhibit universal behavior at sufficiently low energies. Recent dramatic advances in cooling atoms and in manipulating their scattering lengths have made this phenomenon of practical importance for controlling ultracold atoms and molecules. This research project was aimed at developing a systematically improvable method for calculating few-body observables for atoms with large scattering lengths starting from the universal results as a first approximation. Significant progress towards this goal was made during the five years of the project.

Braaten, Eric

2012-05-31T23:59:59.000Z

408

Large-area metallic photonic lattices for military applications.  

Science Conference Proceedings (OSTI)

In this project we developed photonic crystal modeling capability and fabrication technology that is scaleable to large area. An intelligent optimization code was developed to find the optimal structure for the desired spectral response. In terms of fabrication, an exhaustive survey of fabrication techniques that would meet the large area requirement was reduced to Deep X-ray Lithography (DXRL) and nano-imprint. Using DXRL, we fabricated a gold logpile photonic crystal in the plane. For the nano-imprint technique, we fabricated a cubic array of gold squares. These two examples also represent two classes of metallic photonic crystal topologies, the connected network and cermet arrangement.

Luk, Ting Shan

2007-11-01T23:59:59.000Z

409

Duct thermal performance models for large commercial buildings  

SciTech Connect

Despite the potential for significant energy savings by reducing duct leakage or other thermal losses from duct systems in large commercial buildings, California Title 24 has no provisions to credit energy-efficient duct systems in these buildings. A substantial reason is the lack of readily available simulation tools to demonstrate the energy-saving benefits associated with efficient duct systems in large commercial buildings. The overall goal of the Efficient Distribution Systems (EDS) project within the PIER High Performance Commercial Building Systems Program is to bridge the gaps in current duct thermal performance modeling capabilities, and to expand our understanding of duct thermal performance in California large commercial buildings. As steps toward this goal, our strategy in the EDS project involves two parts: (1) developing a whole-building energy simulation approach for analyzing duct thermal performance in large commercial buildings, and (2) using the tool to identify the energy impacts of duct leakage in California large commercial buildings, in support of future recommendations to address duct performance in the Title 24 Energy Efficiency Standards for Nonresidential Buildings. The specific technical objectives for the EDS project were to: (1) Identify a near-term whole-building energy simulation approach that can be used in the impacts analysis task of this project (see Objective 3), with little or no modification. A secondary objective is to recommend how to proceed with long-term development of an improved compliance tool for Title 24 that addresses duct thermal performance. (2) Develop an Alternative Calculation Method (ACM) change proposal to include a new metric for thermal distribution system efficiency in the reporting requirements for the 2005 Title 24 Standards. The metric will facilitate future comparisons of different system types using a common ''yardstick''. (3) Using the selected near-term simulation approach, assess the impacts of duct system improvements in California large commercial buildings, over a range of building vintages and climates. This assessment will provide a solid foundation for future efforts that address the energy efficiency of large commercial duct systems in Title 24. This report describes our work to address Objective 1, which includes a review of past modeling efforts related to duct thermal performance, and recommends near- and long-term modeling approaches for analyzing duct thermal performance in large commercial buildings.

Wray, Craig P.

2003-10-01T23:59:59.000Z

410

Distinguishing Spins in Decay Chains at the Large Hadron Collider.  

E-Print Network (OSTI)

ar X iv :h ep -p h/ 06 05 28 6v 4 2 9 A ug 2 00 8 Preprint typeset in JHEP style - PAPER VERSION CavendishHEP06/11(rev.) Distinguishing Spins in Decay Chains at the Large Hadron Collider? Christiana Athanasiou1, Christopher G. Lester2... particles at the LHC, Phys. Lett. B596 (2004) 205212, hep-ph/0405052. [2] T. Goto, K. Kawagoe, and M. M. Nojiri, Study of the slepton non-universality at the CERN Large Hadron Collider, Phys. Rev. D70 (2004) 075016, hep-ph/0406317. 21 [3] H. C. Cheng...

Athanasiou, Christiana; Lester, Christopher G; Smillie, Jennifer M; Webber, Bryan R

411

Exploring small extra dimensions at the large hadron collider.  

E-Print Network (OSTI)

been shown that the ATLAS detector at the Large Hadron Collider can identify such narrow states up to a mass of 2080 GeV in the decay mode G ? e+e?, using a conservative model. This work extends the study of the e+e? channel over the full accessible... , the underlying parameters can be extracted. In one test model, the size of the extra dimension can be determined to a precision in length of 7 10?33 m. Keywords: Hadronic Colliders, Beyond Standard Model, Extra Large Dimensions. Contents 1. Introduction 1 2...

Allanach, B C; Odagiri, Kosuke; Palmer, M J; Parker, Michael A; Sabetfakhri, A; Webber, Bryan R

412

Distinguishing Spins in Decay Chains at the Large Hadron Collider  

E-Print Network (OSTI)

ar X iv :h ep -p h/ 06 05 28 6v 4 2 9 A ug 2 00 8 Preprint typeset in JHEP style - PAPER VERSION CavendishHEP06/11(rev.) Distinguishing Spins in Decay Chains at the Large Hadron Collider? Christiana Athanasiou1, Christopher G. Lester2... particles at the LHC, Phys. Lett. B596 (2004) 205212, hep-ph/0405052. [2] T. Goto, K. Kawagoe, and M. M. Nojiri, Study of the slepton non-universality at the CERN Large Hadron Collider, Phys. Rev. D70 (2004) 075016, hep-ph/0406317. 21 [3] H. C. Cheng...

Athanasiou, Christiana; Lester, Christopher G; Smillie, Jennifer M; Webber, Bryan R

413

Possible Signals of Wino LSP at the Large Hadron Collider  

E-Print Network (OSTI)

We consider a class of anomaly-mediated supersymmetry breaking models where gauginos acquire masses mostly from anomaly mediation while masses of other superparticles are from Kahler interactions, which are as large as gravitino mass, O(10-100) TeV. In this class of models, the neutral Wino becomes the lightest superparticle in a wide parameter region. The mass splitting between charged and neutral Winos are very small and experimental discovery of such Winos is highly non-trivial. We discuss how we should look for Wino-induced signals at Large Hadron Collider.

M. Ibe; Takeo Moroi; T. T. Yanagida

2006-10-21T23:59:59.000Z

414

A review of Quantum Gravity at the Large Hadron Collider  

E-Print Network (OSTI)

The aim of this article is to review the recent developments in the phenomenology of quantum gravity at the Large Hadron Collider. We shall pay special attention to four-dimensional models which are able to lower the reduced Planck mass to the TeV region and compare them to models with a large extra-dimensional volume. We then turn our attention to reviewing the emission of gravitons (massless or massive) at the LHC and to the production of small quantum black holes.

Xavier Calmet

2010-05-11T23:59:59.000Z

415

Detecting exotic heavy leptons at the large hadron collider.  

E-Print Network (OSTI)

ar X iv :h ep -p h/ 01 08 09 7v 1 1 0 A ug 2 00 1 Preprint typeset in JHEP style. - HYPER VERSION Cavendish-HEP-01/10 DAMTP-2001-71 CERN-TH/2001-205 Detecting Exotic Heavy Leptons at the Large Hadron Collider B.C. Allanach?, C.M. Harris, M... , CB3 0WA, UK. Abstract: New almost-degenerate charged and neutral heavy leptons are a feature of a number of theories of physics beyond the Standard Model. The prospects for detecting these at the Large Hadron Collider using a time-of-flight technique...

Allanach, B C; Harris, Chris M; Parker, Michael A; Richardson, P; Webber, Bryan R

416

Reduction of fire hazards on large mining equipment  

SciTech Connect

Although standards and regulations are in place to prevent large mining equipment fires, recent analyses of mine accident data show that mining equipment fires still occur with alarming frequency and grave consequences, particularly at all surface mines and in underground metal/nonmetal mines. Recently technological advances in fire protection, combined with the statistical data on equipment fires, led NIOSH to reinvestigate this and to improve operator safety. NIOSH demonstrated that newly developed technologies, such as dual cab fire inerting systems and engine compartment fire barriers, can greatly enhance operator safety and lessen the damage of property during large mobile equipment fires. 10 refs., 5 figs.

Maria I. De Rosa

2008-09-15T23:59:59.000Z

417

Mixing device for materials with large density differences  

DOE Patents (OSTI)

An auger-tube pump mixing device is disclosed for mixing materials with large density differences while maintaining low stirring RPM and low power consumption. The mixing device minimizes the formation of vortexes and minimizes the incorporation of small bubbles in the liquid during mixing. By avoiding the creation of a vortex the device provides efficient stirring of full containers without spillage over the edge. Also, the device solves the problem of effective mixing in vessels where the liquid height is large compared to the diameter. Because of the gentle stirring or mixing by the device, it has application for biomedical uses where cell damage is to be avoided. 2 figs.

Gregg, D.W.

1994-08-16T23:59:59.000Z

418

Stability of high. beta. large aspect ratio tokamaks  

SciTech Connect

High {beta}({beta}{much gt} {epsilon}/q{sup 2}) large aspect ratio ({epsilon} {much gt} 1) tokamak equilibria are shown to be always stable to ideal M.H.D. modes that are localized about a flux surface. Both the ballooning and interchange modes are shown to be stable. This work uses the analytic high {beta} large aspect ratio tokamak equilibria developed by Cowley et.al., which are valid for arbitrary pressure and safety factor profiles. The stability results make no assumption about these profiles or the shape of the boundary. 14 refs., 4 figs.

Cowley, S.C.

1991-10-01T23:59:59.000Z

419

Large-area metallic photonic lattices for military applications.  

SciTech Connect

In this project we developed photonic crystal modeling capability and fabrication technology that is scaleable to large area. An intelligent optimization code was developed to find the optimal structure for the desired spectral response. In terms of fabrication, an exhaustive survey of fabrication techniques that would meet the large area requirement was reduced to Deep X-ray Lithography (DXRL) and nano-imprint. Using DXRL, we fabricated a gold logpile photonic crystal in the <100> plane. For the nano-imprint technique, we fabricated a cubic array of gold squares. These two examples also represent two classes of metallic photonic crystal topologies, the connected network and cermet arrangement.

Luk, Ting Shan

2007-11-01T23:59:59.000Z

420

U. S. energy issues largely on hold on Capitol Hill  

Science Conference Proceedings (OSTI)

The U.S. energy agenda for 1992 consists mainly of one bill in Congress, and it may be too large for Congress to swallow. This paper reports that inspired by the Bush administration's program to revamp U.S. energy policy, congressional committees last year dumped all their energy legislation into single packages. Now those omnibus bills are in jeopardy. The Senate bill was derailed, largely over the issue of leasing the Arctic National Wildlife Refuge (ANWR) Coastal Plain. A House energy subcommittee has drafted an energy package, but the full energy and commerce committees will defer action until the Senate passes a bill.

Crow, P.

1991-12-30T23:59:59.000Z

Note: This page contains sample records for the topic "alden large flume" 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

Implementing Murf: Accelerating Large State Space Exploration on FPGAs  

Science Conference Proceedings (OSTI)

PHAST, a Pipelined Hardware Accelerated State Checker, achieves a 30x end-to-end speedup of a large state space exploration application in the form of an explicit state model checker. PHAST is a re-implementation, to accommodate FPGA hardware, of the ... Keywords: Reconfigurable Hardware, FPGA, formal verification

Mary Ellen Tie; Miriam Leeser

2012-04-01T23:59:59.000Z

422

Large-scale clustering and complete facet and tag calculation  

Science Conference Proceedings (OSTI)

The State and University Library of Denmark is developing an integrated search system called Summa, and as part of the Summa project a clustering module and a facet module. Simple clusters have been created for a collection of more than six and a half ... Keywords: categorisation, clustering, faceted browsing, large data sets, library metadata

Bolette Ammitzbll Madsen

2007-09-01T23:59:59.000Z

423

Development of large-area Micro-channel Plate Photodetectors  

E-Print Network (OSTI)

: Imaging, gain mapping, and timing · Integrated electronics: DAQ system and fast waveform recording LAPPD = `tile' ­ Gain > 107 with two MCP plates ­ RF Transmission line anode ­ Internal HV distribution Large;10 May 2013 15 The 8" glass package LAPPD Collaboration MCPs Grid spacers Anode microstrips Top Window

424

A Cutting Plane Algorithm for Large Scale Semidefinite Relaxations  

E-Print Network (OSTI)

Oct 10, 2001 ... pr o gramm i ng , s p ect ral b undle m et h o d , s u b grad ie n t m et h o d ... b y so lv i ng se v e ral larg e sc ale, un st ru ct ur e d 0 -1 li n e ar pr...

425

Finding Large Aperture Fractures in Geothermal Resource Areas Using a  

Open Energy Info (EERE)

Finding Large Aperture Fractures in Geothermal Resource Areas Using a Finding Large Aperture Fractures in Geothermal Resource Areas Using a Three-Component Long-Offset Surface Seismic Survey Geothermal Project Jump to: navigation, search Last modified on July 22, 2011. Project Title Finding Large Aperture Fractures in Geothermal Resource Areas Using a Three-Component Long-Offset Surface Seismic Survey Project Type / Topic 1 Recovery Act: Geothermal Technologies Program Project Type / Topic 2 Validation of Innovative Exploration Technologies Project Description Because fractures and faults with sub-commercial permeability can propagate hot fluid and hydrothermal alteration throughout a geothermal reservoir, potential field geophysical methods including resistivity, gravity, heatflow and magnetics cannot distinguish between low-permeability fractures and LAF's (Large Aperature Fractures). USG will develop and test the combination of three-component,long-offset seismic surveying, permanent scatter synthetic aperture radar interferometry (PSInSAR) and structural kinematic analysis as an integrated method for locating and 3-D mapping of LAF's in shallow to intermediate depth (600-4000 feet) geothermal systems. This project is designed to test the methodology on known occurrences of LAF's and then apply the technology to expand an existing production field and find a new production field in a separate but related resource area. A full diameter production well will be drilled into each of the two lease blocks covered by the geophysical exploration program.

426

Keyword Proximity Search over Large and Complex RDF Database  

Science Conference Proceedings (OSTI)

In this paper, we propose a keyword proximity search approach that can be applied to large and complex RDF database. We model RDF database as undirected data graph, construct three indexes for each data graph, only one index need be loaded into memory. ... Keywords: RDF, proximity, link join, node pruning

Zhen Niu; Hai-Tao Zheng; Yong Jiang; Shu-Tao Xia; Hui-Qiu Li

2012-12-01T23:59:59.000Z

427

California agriculture is large, diverse, complex and dynamic. It generated  

E-Print Network (OSTI)

California agriculture is large, diverse, complex and dynamic. It generated nearly $37.5 billion in cash receipts in 2010. California has been the nation's top agricultural state in cash receipts every in 1960 to about 12 percent in 2010. UniversityofCalifornia AgriculturalIssuesCenter The Measure

Ishida, Yuko

428

A root cause localization model for large scale systems  

Science Conference Proceedings (OSTI)

Root cause localization, the process of identifying the source of problems in a system using purely external observations, is a significant challenge in many large-scale systems. In this paper, we propose an abstract model that captures the common issues ...

Emre Kiciman; Lakshminarayanan Subramanian

2005-06-01T23:59:59.000Z

429

Predictive discrete latent factor models for large scale dyadic data  

Science Conference Proceedings (OSTI)

We propose a novel statistical method to predict large scale dyadic response variables in the presence of covariate information. Our approach simultaneously incorporates the effect of covariates and estimates local structure that is induced by interactions ... Keywords: co-clustering, dyadic data, generalized linear regression, latent factor modeling

Deepak Agarwal; Srujana Merugu

2007-08-01T23:59:59.000Z

430

Chukwa: a system for reliable large-scale log collection  

Science Conference Proceedings (OSTI)

Large Internet services companies like Google, Yahoo, and Facebook use the MapReduce programming model to process log data. MapReduce is designed to work on data stored in a distributed filesystem like Hadoop's HDFS. As a result, a number of log collection ... Keywords: logging, research, scale

Ariel Rabkin; Randy Katz

2010-11-01T23:59:59.000Z

431

Efficient packet marking for large-scale IP traceback  

Science Conference Proceedings (OSTI)

We present a new approach to IP traceback based on the probabilistic packet marking paradigm. Our approach, which we call randomize-and-link, uses large checksum cords to "link" message fragments in a way that is highly scalable, for the checksums serve ... Keywords: denial-of-service, packet marking, traceback

Michael T. Goodrich

2002-11-01T23:59:59.000Z

432

Probabilistic packet marking for large-scale IP traceback  

Science Conference Proceedings (OSTI)

This paper presents an approach to IP traceback based on the probabilistic packet marking paradigm. Our approach, which we call randomize-and-link, uses large checksum cords to "link" message fragments in a way that is highly scalable, for the checksums ... Keywords: IP, associate addresses, checksum cords, denial of service (DDOS), distributed, probabilistic packet marking, traceback

Michael T. Goodrich

2008-02-01T23:59:59.000Z

433

A Demonstration That Large-Scale Warming Is Not Urban  

Science Conference Proceedings (OSTI)

On the premise that urban heat islands are strongest in calm conditions but are largely absent in windy weather, daily minimum and maximum air temperatures for the period 19502000 at a worldwide selection of land stations are analyzed separately ...

David E. Parker

2006-06-01T23:59:59.000Z

434

Scale-free, self-organizing very large sensor networks  

Science Conference Proceedings (OSTI)

In this paper we introduce SFSN, an algorithm for self-organization of Very Large Sensor Networks (VLSN). The 10^6 or more tiny and inexpensive sensors of a VLSN are indistinguishable from one another; they do not have either a physical or a logical ... Keywords: Anonymous nodes, Collision resolution algorithm, Event, Multiple access, Self-organization, Sensor networks

Dan C. Marinescu; Chen Yu; Gabriela M. Marinescu

2010-05-01T23:59:59.000Z

435

Challenges in optics for Extremely Large Telescope instrumentation  

E-Print Network (OSTI)

We describe and summarize the optical challenges for future instrumentation for Extremely Large Telescopes (ELTs). Knowing the complex instrumental requirements is crucial for the successful design of 30-60m aperture telescopes. After all, the success of ELTs will heavily rely on its instrumentation and this, in turn, will depend on the ability to produce large and ultra-precise optical components like light-weight mirrors, aspheric lenses, segmented filters, and large gratings. New materials and manufacturing processes are currently under study, both at research institutes and in industry. In the present paper, we report on its progress with particular emphasize on volume-phase-holographic gratings, photochromic materials, sintered silicon-carbide mirrors, ion-beam figuring, ultra-precision surfaces, and free-form optics. All are promising technologies opening new degrees of freedom to optical designers. New optronic-mechanical systems will enable efficient use of the very large focal planes. We also provide exploratory descriptions of "old" and "new" optical technologies together with suggestions to instrument designers to overcome some of the challenges placed by ELT instrumentation.

P. Span; F. M. Zerbi; C. J. Norrie; C. R. Cunningham; K. G. Strassmeier; A. Bianco; P. A. Blanche; M. Bougoin; M. Ghigo; P. Hartmann; L. Zago; E. Atad-Ettedgui; B. Delabre; H. Dekker; M. Melozzi; B. Snyders; R. Takke; D. D. Walker

2006-03-28T23:59:59.000Z

436

Computer simulations of exponentially convergent networks with large impulses  

Science Conference Proceedings (OSTI)

This paper demonstrates the use of a semi-discretization technique for obtaining a discrete-time analogue of an exponentially convergent network that is subject to impulses with large magnitude. Prior to implementing the analogue for computer simulations, ... Keywords: 39A12, 65Q05, 92B20, Discrete-time analogue, Exponential stability, Impulses, Semi-discretization

Sannay Mohamad

2008-04-01T23:59:59.000Z

437

Large Data Visualization on Distributed Memory Mulit-GPU Clusters  

Science Conference Proceedings (OSTI)

Data sets of immense size are regularly generated on large scale computing resources. Even among more traditional methods for acquisition of volume data, such as MRI and CT scanners, data which is too large to be effectively visualization on standard workstations is now commonplace. One solution to this problem is to employ a 'visualization cluster,' a small to medium scale cluster dedicated to performing visualization and analysis of massive data sets generated on larger scale supercomputers. These clusters are designed to fit a different need than traditional supercomputers, and therefore their design mandates different hardware choices, such as increased memory, and more recently, graphics processing units (GPUs). While there has been much previous work on distributed memory visualization as well as GPU visualization, there is a relative dearth of algorithms which effectively use GPUs at a large scale in a distributed memory environment. In this work, we study a common visualization technique in a GPU-accelerated, distributed memory setting, and present performance characteristics when scaling to extremely large data sets.

Childs, Henry R.

2010-03-01T23:59:59.000Z

438

Accelerating large-scale data exploration through data diffusion  

Science Conference Proceedings (OSTI)

Data-intensive applications often require exploratory analysis of large datasets. If analysis is performed on distributed resources, data locality can be crucial to high throughput and performance. We propose a "data diffusion" approach that acquires ... Keywords: Falkon, Swift, data caching, data diffusion, data management, data-aware scheduling, data-intensive applications, grid

Ioan Raicu; Yong Zhao; Ian T. Foster; Alex Szalay

2008-06-01T23:59:59.000Z

439

A Simulator for Large-Scale Parallel Computer Architectures  

Science Conference Proceedings (OSTI)

Efficient design of hardware and software for large-scale parallel execution requires detailed understanding of the interactions between the application, computer, and network. The authors have developed a macro-scale simulator SST/macro that permits ... Keywords: Computer Architecture Simulation, Macro-scale Simulator, Message Passing Interface, Network Congestion, Network Models

Helgi Adalsteinsson; Scott Cranford; David A. Evensky; Joseph P. Kenny; Jackson Mayo; Ali Pinar; Curtis L. Janssen

2010-04-01T23:59:59.000Z

440

Laboratory Measurements of Axis Ratios for Large Raindrops  

Science Conference Proceedings (OSTI)

The oscillations of moderate to large raindrops are investigated using a seven-story fall column with shape data obtained from multiple-strobe photographs. Measurements are made at a fall distance of 25 m for drops of D = 2.5-, 2.9-, 3.6-, and ...

Karen Andsager; Kenneth V. Beard; Neil F. Laird

1999-08-01T23:59:59.000Z

Note: This page contains sample records for the topic "alden large flume" 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

Believability in simplifications of large scale physically based simulation  

Science Conference Proceedings (OSTI)

We verify two hypotheses which are assumed to be true only intuitively in many rigid body simulations. I: In large scale rigid body simulation, viewers may not be able to perceive distortion incurred by an approximated simulation method. II: ... Keywords: 3D graphics and realism, animation, physically based simulation

Donghui Han; Shu-wei Hsu; Ann McNamara; John Keyser

2013-08-01T23:59:59.000Z

442

Solving large stochastic planning problems using multiple dynamic abstractions  

E-Print Network (OSTI)

One of the goals of AI is to produce a computer system that can plan and act intelligently in the real world. It is difficult to do so, in part because real-world domains are very large. Existing research generally deals ...

Steinkraus, Kurt Alan, 1978-

2005-01-01T23:59:59.000Z

443

Higgs and Supersymmetry searches at the Large Hadron Collider  

E-Print Network (OSTI)

We present here the results for Higgs and Supersymmetry prospective searches at the Large Hadron Collider. We show that for one year at high luminosity, Standard Model and MSSM Higgs should be observed within the theoretically expected mass range. MSUGRA and restricted phenomenological MSSM searches lead to discovery of up to 2.5 TeV squarks and gluinos.

F. Charles

2001-05-03T23:59:59.000Z

444

The Thermal Model at the Large Hadron Collider  

E-Print Network (OSTI)

A discussion is presented of results with identified particles at the Large Hadron Collider. Possible deviations from the standard statistical distributions are investigated by considering in detail results obtained using the Tsallis distribution. Matter-antimatter production is discussed within the framework of chemical equilibrium in \\pp and heavy ion collisions.

J. Cleymans

2012-03-26T23:59:59.000Z

445

Composite Weak Bosons at the Large Hadron Collider  

E-Print Network (OSTI)

In a composite model of the weak bosons the excited bosons, in particular the p-wave bosons, are studied. The state with the lowest mass is identified with the boson, which has been discovered recently at the "Large Hadron Collider" at CERN. Specific properties of the excited weak bosons are studied, in particular their decays into weak bosons and into photons.

Harald Fritzsch

2013-07-24T23:59:59.000Z

446

Scalable computation of streamlines on very large datasets  

Science Conference Proceedings (OSTI)

Understanding vector fields resulting from large scientific simulations is an important and often difficult task. Streamlines, curves that are tangential to a vector field at each point, are a powerful visualization method in this context. Application ... Keywords: flow, parallel, scaling, streamlines, visualization

Dave Pugmire; Hank Childs; Christoph Garth; Sean Ahern; Gunther H. Weber

2009-11-01T23:59:59.000Z

447

Plasma deposited diamond-like carbon films for large neutralarrays  

SciTech Connect

To understand how large systems of neurons communicate, we need to develop methods for growing patterned networks of large numbers of neurons. We have found that diamond-like carbon thin films formed by energetic deposition from a filtered vacuum arc carbon plasma can serve as ''neuron friendly'' substrates for the growth of large neural arrays. Lithographic masks can be used to form patterns of diamond-like carbon, and regions of selective neuronal attachment can form patterned neural arrays. In the work described here, we used glass microscope slides as substrates on which diamond-like carbon was deposited. PC-12 rat neurons were then cultured on the treated substrates and cell growth monitored. Neuron growth showed excellent contrast, with prolific growth on the treated surfaces and very low growth on the untreated surfaces. Here we describe the vacuum arc plasma deposition technique employed, and summarize results demonstrating that the approach can be used to form large patterns of neurons.

Brown, I.G.; Blakely, E.A.; Bjornstad, K.A.; Galvin, J.E.; Monteiro, O.R.; Sangyuenyongpipat, S.

2004-07-15T23:59:59.000Z

448

Design and Specification Guidelines for Large Draft Fans and Systems  

Science Conference Proceedings (OSTI)

Design shortcomings in draft fans and related air-gas systems can cause fan failure and costly outages of large fossil fuel power plants. These guidelines will help engineers and manufacturers achieve a better understanding of the design features needed to minimize such failures.

1983-12-01T23:59:59.000Z

449

On Subgrid Models and Filter Operations in Large Eddy Simulations  

Science Conference Proceedings (OSTI)

Large eddy simulations use a subgrid model, which is characterized by a length scale that is often related to the scale of the computational mesh by a numerical constant, Cs. Mason and Callen argued that this subgrid model and its length scale ...

P. J. Mason; A. R. Brown

1999-07-01T23:59:59.000Z

450

Using Large Datasets to Forecast Sectoral Employment Rangan Gupta*  

E-Print Network (OSTI)

Using Large Datasets to Forecast Sectoral Employment Rangan Gupta* Department of Economics Bayesian and classical methods to forecast employment for eight sectors of the US economy. In addition-sample period and January 1990 to March 2009 as the out-of- sample horizon, we compare the forecast performance

Ahmad, Sajjad

451

Interactive large data exploration over the wide area  

Science Conference Proceedings (OSTI)

The top supercomputers typically have aggregate memories in excess of 100 TB, with simulations running on these systems producing datasets of comparable size. The size of these datasets and the speed with which they are produced define the minimum performance ... Keywords: large data, remote data exploration, visualization

Mark Hereld; Michael E. Papka; Joseph A. Insley; Michael L. Norman; Eric C. Olson; Rick Wagner

2011-07-01T23:59:59.000Z

452

Large energy-spread beam diagnostics through quadrupole scans  

Science Conference Proceedings (OSTI)

The Facility for Advanced Accelerator and Experimental Tests (FACET) is a new user facility at the SLAC National Accelerator Laboratory, servicing next-generation accelerator experiments. The 1.5% RMS energy spread of the FACET beam causes large chromatic aberrations in optics. These aberrations necessitate updated quadrupole scan fits to remain accurate.

Frederico, Joel; Adli, Erik; Hogan, Mark; Raubenheimer, Tor [SLAC National Accelerator Laboratory (United States)

2012-12-21T23:59:59.000Z

453

PERMANENT MAGNET DESIGNS WITH LARGE VARIATIONS IN FIELD STRENGTH.  

Science Conference Proceedings (OSTI)

The use of permanent magnets has been investigated as an option for electron cooling ring for the proposed luminosity upgrade of RHIC. Several methods have been developed that allow a large variation in field strength. These design concepts were verified with computer simulations using finite element codes. It will be shown that the field uniformity is maintained while the field strength is mechanically adjusted.

GUPTA,R.

2004-01-21T23:59:59.000Z

454

Absolute Calibration of a Large-diameter Light Source  

E-Print Network (OSTI)

A method of absolute calibration for large aperture optical systems is presented, using the example of the Pierre Auger Observatory fluorescence detectors. A 2.5 m diameter light source illuminated by an ultra--violet light emitting diode is calibrated with an overall uncertainty of 2.1 % at a wavelength of 365 nm.

Brack, J T; Dorofeev, A; Gookin, B; Harton, J L; Petrov, Y; Rovero, A C

2013-01-01T23:59:59.000Z

455

Enhancing information on large scenes by mixing renderings  

Science Conference Proceedings (OSTI)

We propose a new model for visualization of high scale scenes. It is designed to enhance pertinent informations that become quickly viewable on a large scene. It consists in mixing different kind of rendering techniques in the same frame. This method ...

Vincent Boyer; Dominique Sobczyk

2006-11-01T23:59:59.000Z

456

Recursive controllability and observability tests for large dynamic systems  

Science Conference Proceedings (OSTI)

Controllability and observability criteria for a linear stationary system are used to design recursive tests for slackening the computing system requirements for verification of the controllability and observability of large systems. Practical examples ... Keywords: 02.30.Yy+64.70.+p

E. Yu. Zybin; M. Sh. Misrikhanov; V. N. Ryabchenko

2006-05-01T23:59:59.000Z

457

Automatic stability checking for large linear analog integrated circuits  

Science Conference Proceedings (OSTI)

Stability analysis is one of the key challenges in the design of large linear analog circuits with complex multi-loop structures. In this paper, we present an efficient loop finder algorithm to identify potentially unstable loops in such circuits. At ... Keywords: analog circuit design, eigenvalue problem, model order reduction, small-signal analysis, stability analysis

Parijat Mukherjee; G. Peter Fang; Rod Burt; Peng Li

2011-06-01T23:59:59.000Z

458

The accuracy of fast phylogenetic methods for large datasets  

E-Print Network (OSTI)

Whole-genome phylogenetic studies require various sources of phylogenetic signals to produce an accurate picture of the evolutionary history of a group of genomes. In particular, sequence-based reconstruction will play an important role, especially in resolving more recent events. But using sequences at the level of whole genomes means working with very large amounts of datalarge numbers of sequencesas well as large phylogenetic distances, so that reconstruction methods must be both fast and robust as well as accurate. We study the accuracy, convergence rate, and speed of several fast reconstruction methods: neighbor-joining, Weighbor (a weighted version of neighbor-joining), greedy parsimony, and a new phylogenetic reconstruction method based on diskcovering and parsimony search (DCM-NJ+MP). Our study uses extensive simulations based on random birth-death trees, with controlled deviations from ultrametricity. We find that Weighbor, thanks to its sophisticated handling of probabilities, outperforms other methods for short sequences, while our new method is the best choice for sequence lengths above 100. For very large sequence lengths, all four methods have similar accuracy, so that the speed of neighbor-joining and greedy parsimony makes them the two methods of choice. 1

Luay Nakhleh; Bernard M. E; Moret Usman Roshan; Katherine St; John Jerry; Sun Tandy Warnow

2002-01-01T23:59:59.000Z

459

Identifying web strategies for large-scale firms  

Science Conference Proceedings (OSTI)

The World Wide Web has become increasingly important in helping businesses stay competitive. Hence, in the current business environment, it is essential for large firms in established industries to take advantage of the Web and all it has to offer in ... Keywords: integration, internet, organizational goals, strategy, web

Tuncay Bayrak

2008-07-01T23:59:59.000Z

460

Iterative Dictionary Construction for Compression of Large DNA Data Sets  

Science Conference Proceedings (OSTI)

Genomic repositories increasingly include individual as well as reference sequences, which tend to share long identical and near-identical strings of nucleotides. However, the sequential processing used by most compression algorithms, and the volumes ... Keywords: Dictionary construction, compression, DNA, large data sets.

Shanika Kuruppu; Bryan Beresford-Smith; Thomas Conway; Justin Zobel

2012-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "alden large flume" 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

INTRODUCTION Most estimates of abundance of large baleen whales,  

E-Print Network (OSTI)

Greenland waters are more than 10 years old. A series of aerial surveys of large baleen whales in West of the aerial survey in July and August 1993 resulted in an uncorrected estimate of 599 (95% CI 237-1,512) (Kingsley and Witting, 2001) and an aerial photographic survey in July through October 2002 and August

Laidre, Kristin L.

462

In Situ Visualization for Large-Scale Combustion Simulations  

Science Conference Proceedings (OSTI)

As scientific supercomputing moves toward petascale and exascale levels, in situ visualization stands out as a scalable way for scientists to view the data their simulations generate. This full picture is crucial particularly for capturing and understanding ... Keywords: in situ visualization, large-scale simulation, parallel rendering, supercomputing, scalability, computer graphics, graphics and multimedia

Hongfeng Yu; Chaoli Wang; Ray W. Grout; Jacqueline H. Chen; Kwan-Liu Ma

2010-05-01T23:59:59.000Z

463

A virtual infrastructure for large-scale wireless sensor networks  

Science Conference Proceedings (OSTI)

The primary goal of a wireless sensor network is to collect useful information from the network. Most wireless sensor networks are assumed that the number of nodes are very large and they should operate with confined resources. Consequently it is important ... Keywords: Data collection, Railroad, Topology, Wireless sensor networks

Jeong-Hun Shin; Daeyeon Park

2007-10-01T23:59:59.000Z

464

Effective document clustering for large heterogeneous law firm collections  

Science Conference Proceedings (OSTI)

Computational resources for research in legal environments have historically implied remote access to large databases of legal documents such as case law, statutes, law reviews and administrative materials. Today, by contrast, there exists enormous growth ... Keywords: document clustering, knowledgement management, legal data, taxonomy development

Jack G. Conrad; Khalid Al-Kofahi; Ying Zhao; George Karypis

2005-06-01T23:59:59.000Z

465

A laser-based longitudinal density monitor for the large hadron collider  

E-Print Network (OSTI)

MONITOR FOR THE LARGE HADRON COLLIDER * J. -F. Beche, J.profile in the Large Hadron Collider (LHC). The technique

2004-01-01T23:59:59.000Z

466

Updated electron-cloud simulation results for the Large Hadron Collider (LHC)  

E-Print Network (OSTI)

RESULTS FOR THE LARGE HADRON COLLIDER LHC ? M. A. Furman andscreen of the Large Hadron Collider (LHC). We pay particular

Furman, M.A.; Pivi, M.

2001-01-01T23:59:59.000Z

467

Duct Leakage Impacts on VAV System Performance in Large Commercial  

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

Duct Leakage Impacts on VAV System Performance in Large Commercial Duct Leakage Impacts on VAV System Performance in Large Commercial Buildings Title Duct Leakage Impacts on VAV System Performance in Large Commercial Buildings Publication Type Report LBNL Report Number LBNL-53605 Year of Publication 2003 Authors Wray, Craig P., and Nance Matson Abstract The purpose of this study is to evaluate the variability of duct leakage impacts on air distribution system performance for typical large commercial buildings in California. Specifically, a hybrid DOE-2/TRNSYS sequential simulation approach was used to model the energy use of a low-pressure terminal-reheat variable-air-volume (VAV) HVAC system with six duct leakage configurations (tight to leaky) in nine prototypical large office buildings (representing three construction eras in three California climates where these types of buildings are common). Combined fan power for the variable-speed-controlled supply and return fans at design conditions was assumed to be 0.8 W/cfm. The VAV system that we simulated had perfectly insulated ducts, and maintained constant static pressure in the ducts upstream of the VAV boxes and a constant supply air temperature at the air-handler. Further evaluations of duct leakage impacts should be carried out in the future after methodologies are developed to deal with duct surface heat transfer effects, to deal with airflows entering VAV boxes from ceiling return plenums (e.g., to model parallel fan-powered VAV boxes), and to deal with static pressure reset and supply air temperature reset strategies.

468

Large-Eddy Simulation of Wind-Plant Aerodynamics  

DOE Green Energy (OSTI)

In this work, we present results of a large-eddy simulation of the 48 multi-megawatt turbines composing the Lillgrund wind plant. Turbulent inflow wind is created by performing an atmospheric boundary layer precursor simulation, and turbines are modeled using a rotating, variable-speed actuator line representation. The motivation for this work is that few others have done large-eddy simulations of wind plants with a substantial number of turbines, and the methods for carrying out the simulations are varied. We wish to draw upon the strengths of the existing simulations and our growing atmospheric large-eddy simulation capability to create a sound methodology for performing this type of simulation. We used the OpenFOAM CFD toolbox to create our solver. The simulated time-averaged power production of the turbines in the plant agrees well with field observations, except with the sixth turbine and beyond in each wind-aligned. The power produced by each of those turbines is overpredicted by 25-40%. A direct comparison between simulated and field data is difficult because we simulate one wind direction with a speed and turbulence intensity characteristic of Lillgrund, but the field observations were taken over a year of varying conditions. The simulation shows the significant 60-70% decrease in the performance of the turbines behind the front row in this plant that has a spacing of 4.3 rotor diameters in this direction. The overall plant efficiency is well predicted. This work shows the importance of using local grid refinement to simultaneously capture the meter-scale details of the turbine wake and the kilometer-scale turbulent atmospheric structures. Although this work illustrates the power of large-eddy simulation in producing a time-accurate solution, it required about one million processor-hours, showing the significant cost of large-eddy simulation.

Churchfield, M. J.; Lee, S.; Moriarty, P. J.; Martinez, L. A.; Leonardi, S.; Vijayakumar, G.; Brasseur, J. G.

2012-01-01T23:59:59.000Z

469

Performance of thermal distribution systems in large commercial buildings  

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

Performance of thermal distribution systems in large commercial buildings Performance of thermal distribution systems in large commercial buildings Title Performance of thermal distribution systems in large commercial buildings Publication Type Journal Article LBNL Report Number LBNL-44331 Year of Publication 2002 Authors Xu, Tengfang T., François Rémi Carrié, Darryl J. Dickerhoff, William J. Fisk, Jennifer A. McWilliams, Duo Wang, and Mark P. Modera Journal Energy and Buildings Volume 34 Start Page Chapter Pagination 215-226 Abstract This paper presents major findings of a field study on the performance of five thermal distribution systems in four large commercial buildings. The five systems studied are typical single-duct or dual-duct constant air volume (CAV) systems and variable air volume (VAV) systems, each of which serves an office building or a retail building with floor area over 2,000 m2. The air leakage from ducts are reported in terms of effective leakage area (ELA) at 25 Pa reference pressure, the ASHRAE-defined duct leakage class, and air leakage ratios. The specific ELAs ranged from 0.7 to 12.9 cm2 per m2 of duct surface area, and from 0.1 to 7.7 cm2 per square meter of floor area served. The leakage classes ranged from 34 to 757 for the five systems and systems sections tested. The air leakage ratios are estimated to be up to one-third of the fan- supplied airflow in the constant-air-volume systems. The specific ELAs and leakage classes indicate that air leakage in large commercial duct systems varies significantly from system to system, and from system section to system section even within the same thermal distribution system. The duct systems measured are much leakier than the ductwork specified as "unsealed ducts" by ASHRAE. Energy losses from supply ducts by conduction (including convection and radiation) are found to be significant, on the scale similar to the losses induced by air leakage in the duct systems. The energy losses induced by leakage and conduction suggest that there are significant energy-savings potentials from duct-sealing and insulation practice in large commercial buildings

470

Sealing Ducts in Large Commercial Buildings with Aerosolized Sealant  

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

Sealing Ducts in Large Commercial Buildings with Aerosolized Sealant Sealing Ducts in Large Commercial Buildings with Aerosolized Sealant Particles Title Sealing Ducts in Large Commercial Buildings with Aerosolized Sealant Particles Publication Type Journal Article LBNL Report Number LBNL-42414 Year of Publication 2001 Authors Modera, Mark P., Olivier Brzozowski, François Rémi Carrié, Darryl J. Dickerhoff, William W. Delp, William J. Fisk, Ronnen M. Levinson, and Duo Wang Journal Energy & Buildings Volume 34 Start Page Chapter Pagination 705-714 Abstract Electricity energy savings potential by eliminating air leakage from ducts in large commercial buildings is on the order of 10 kWh/m2 per year (1 kWh/ft2). We have tested, in two large commercial buildings, a new technology that simultaneously seals duct leaks and measures effective leakage area of ducts. The technology is based upon injecting a fog of aerosolized sealant particles into a pressurized duct system. In brief, this process involves blocking all of the intentional openings in a duct system (e.g., diffusers). Therefore, when the system is pressurized, the only place for the air carrying the aerosol particles to exit the system is through the leaks. The key to the technology is to keep the particles suspended within the airstream until they reach the leaks, and then to have them leave the airstream and deposit on the leak sites. The principal finding from this field study was that the aerosol technology is capable of sealing the leaks in a large commercial building duct system within a reasonable time frame. In the first building, 66% of the leakage area was sealed within 2.5 hours of injection, and in the second building 86% of the leakage area was sealed within 5 hours. We also found that the aerosol could be blown through the VAV boxes in the second building without impacting their calibrations or performance. Some remaining questions are (1) how to achieve sealing rates comparable to those experienced in smaller residential systems; and (2) what tightness level these ducts systems can be brought to by means of aerosol sealing.

471

DOE/EIA-0304 Survey of Large Combustors:  

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

304 304 Survey of Large Combustors: Report on Alternative- Fuel Burning Capabilities of Large Boilers in 1979 U.S. Department of Energy Energy information Administration Office of Energy Markets and End Use Energy End Use Division Introduction During recent years, total annual industrial energy consumption in the United States has been approximated at 25 to 26 quadrillion British thermal units (Btu).^- Manufacturin g is by far the largest components totaling 12.9 quadrillion Btu of purchased fuels and electricity for heat and power during 1979.2 QJ this amount, 10.5 quadrillion Btu was accounted for by purchased fuels alone (e.g., fuel oil, coal, natural gas, etc.). Other than fuel consumption by type and industrial classificati on, very little information existed on specific fuel consumption characterist

472

Large-Scale Renewable Energy Development on Public Lands  

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

Large-Scale Renewable Energy Large-Scale Renewable Energy Development on Public Lands Boyan Kovacic boyan.kovacic@ee.doe.gov 5/2/12 2 | FEDERAL ENERGY MANAGEMENT PROGRAM femp.energy.gov * BLM RE Drivers * BLM RE Programs * BLM Permitting and Revenues * Case Studies * Withdrawn Military Land Outline 3 | FEDERAL ENERGY MANAGEMENT PROGRAM femp.energy.gov BLM: Bureau of Land Management BO: Biological Opinion CSP: Concentrating Solar Power DOE: Department of Energy DOI: Department of Interior EA: Environmental Assessment EIS: Environmental Impact Statement FONSI: Finding of No Significant Impact FS: U.S. Forrest Service IM: Instruction Memorandum MPDS: Maximum Potential Development Scenario NEPA: National Environmental Policy Act NOI: Notice of Intent NOP: Notice to Proceed

473

Large-Scale Renewable Energy Development on Public Lands  

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

Large-Scale Renewable Energy Large-Scale Renewable Energy Development on Public Lands Boyan Kovacic boyan.kovacic@ee.doe.gov 5/2/12 2 | FEDERAL ENERGY MANAGEMENT PROGRAM femp.energy.gov * BLM RE Drivers * BLM RE Programs * BLM Permitting and Revenues * Case Studies * Withdrawn Military Land Outline 3 | FEDERAL ENERGY MANAGEMENT PROGRAM femp.energy.gov BLM: Bureau of Land Management BO: Biological Opinion CSP: Concentrating Solar Power DOE: Department of Energy DOI: Department of Interior EA: Environmental Assessment EIS: Environmental Impact Statement FONSI: Finding of No Significant Impact FS: U.S. Forrest Service IM: Instruction Memorandum MPDS: Maximum Potential Development Scenario NEPA: National Environmental Policy Act NOI: Notice of Intent NOP: Notice to Proceed

474

Large scale meteorological influence during the Geysers 1979 field experiment  

DOE Green Energy (OSTI)

A series of meteorological field measurements conducted during July 1979 near Cobb Mountain in Northern California reveals evidence of several scales of atmospheric circulation consistent with the climatic pattern of the area. The scales of influence are reflected in the structure of wind and temperature in vertically stratified layers at a given observation site. Large scale synoptic gradient flow dominates the wind field above about twice the height of the topographic ridge. Below that there is a mixture of effects with evidence of a diurnal sea breeze influence and a sublayer of katabatic winds. The July observations demonstrate that weak migratory circulations in the large scale synoptic meteorological pattern have a significant influence on the day-to-day gradient winds and must be accounted for in planning meteorological programs including tracer experiments.

Barr, S.

1980-01-01T23:59:59.000Z

475

Large Hospital 50% Energy Savings: Technical Support Document  

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

867 867 September 2010 Large Hospital 50% Energy Savings: Technical Support Document Eric Bonnema, Daniel Studer, Andrew Parker, Shanti Pless, and Paul Torcellini National Renewable Energy Laboratory 1617 Cole Boulevard, Golden, Colorado 80401-3393 303-275-3000 * www.nrel.gov NREL is a national laboratory of the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Operated by the Alliance for Sustainable Energy, LLC Contract No. DE-AC36-08-GO28308 Technical Report NREL/TP-550-47867 September 2010 Large Hospital 50% Energy Savings: Technical Support Document Eric Bonnema, Daniel Studer, Andrew Parker, Shanti Pless, and Paul Torcellini Prepared under Task No. BEC7.1309 NOTICE This report was prepared as an account of work sponsored by an agency of the United States government.

476

Demand Shifting With Thermal Mass in Large Commercial Buildings: Case  

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

Demand Shifting With Thermal Mass in Large Commercial Buildings: Case Demand Shifting With Thermal Mass in Large Commercial Buildings: Case Studies and Tools Speaker(s): Peng Xu Date: March 9, 2007 - 12:00pm Location: 90-3122 The idea of pre-cooling and demand limiting is to pre-cool buildings at night or in the morning during off-peak hours, storing cooling energy in the building thermal mass and thereby reducing cooling loads during the peak periods. Savings are achieved by reducing on-peak energy and demand charges. The potential for utilizing building thermal mass for load shifting and peak demand reduction has been demonstrated in a number of simulation, laboratory, and field studies. Case studies in a number of office buildings in California has found that a simple demand limiting strategy reduced the chiller power by 20-100% (0.5-2.3W/ft2) during six

477

Drilling Large Diameter Holes in Rocks Using Multiple Laser Beams  

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

Drilling Large Diameter Holes in Rocks Using Multiple Laser Beams (504) Drilling Large Diameter Holes in Rocks Using Multiple Laser Beams (504) Richard Parker,. Parker Geoscience Consulting, LLC, Arvada, Colorado, USA; Zhiyue Xu and Claude Reed, Argonne National Laboratory, Argonne, Illinois, USA; Ramona Graves, Department of Petroleum Engineering, Colorado School of Mines, Golden, Colorado, USA; Brian Gahan and Samih Batarseh, Gas Technology Institute, Des Plaines, Illinois, USA ABSTRACT Studies on drilling petroleum reservoir rocks with lasers show that modern infrared lasers have the capability to spall (thermally fragment), melt and vaporize natural earth materials with the thermal spallation being the most efficient rock removal mechanism. Although laser irradiance as low as 1000 W/cm 2 is sufficient to spall rock, firing the

478

Nuclear Suppression of Dileptons at Large xF  

E-Print Network (OSTI)

We study a significant nuclear suppression of the relative production rates (p(d)+A)/(p+d(p)) for the Drell-Yan process at large Feynman xF. Since this is the region of minimal values for the light-front momentum fraction variable x2 in the target nucleus, it is tempting to interpret this as a manifestation of coherence or of a Color Glass Condensate. We demonstrate, however, that this suppression mechanism is governed by the energy conservation restrictions in multiple parton rescatterings in nuclear matter. To eliminate nuclear shadowing effects coming from the coherence, we calculate nuclear suppression in the light-cone dipole approach at large dilepton masses and at energy accessible at FNAL. Our calculations are in a good agreement with data from the E772 experiment. Using the same mechanism we predict also nuclear suppression at forward rapidities in the RHIC energy range.

J. Cepila; J. Nemchik

2009-09-23T23:59:59.000Z

479

Limits to the power density of very large wind farms  

E-Print Network (OSTI)

A simple analysis is presented concerning an upper limit of the power density (power per unit land area) of a very large wind farm located at the bottom of a fully developed boundary layer. The analysis suggests that the limit of the power density is about 0.38 times $\\tau_{w0}U_{F0}$, where $\\tau_{w0}$ is the natural shear stress on the ground (that is observed before constructing the wind farm) and $U_{F0}$ is the natural or undisturbed wind speed averaged across the height of the farm to be constructed. Importantly, this implies that the maximum extractable power from such a very large wind farm will not be proportional to the cubic of the wind speed at the farm height, or even the farm height itself, but be proportional to $U_{F0}$.

Nishino, Takafumi

2013-01-01T23:59:59.000Z

480

Vermont Yankee simulator qualification: large-break LOCA  

Science Conference Proceedings (OSTI)

Yankee Atomic Electric Company (YAEC) has developed simulator benchmark capabilities for the Seabrook, Maine Yankee, and Vermont Yankee Nuclear Power Station (VYNPS) simulators. The goal is to establish that each simulator has a satisfactory real-time response for different scenarios that will enhance operator training. Vermont Yankee purchased a full-scope plane simulator for the VYNPS, a four-unit boiling water reactor with a Mark-I containment. The following seven benchmark cases were selected by YAEC and VYNPC to supplement the Simulator Acceptance Test Program: (1) control rod swap; (2) partial reactor scram; (3) recirculation pump trip; (4) main steam isolation valve (MSIV) closure without scram, (5) main steamline break, (6) small-break loss-of-coolant accident (LOCA), and (7) large-break LOCA. Five simulator benchmark sessions have been completed. Each session identified simulator capabilities and limitations that needed correction. This paper discusses results from the latest large-break LOCA case.

Loomis, J.N.; Fernandez, R.T.

1987-01-01T23:59:59.000Z

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481

Large-Theta(13) Perturbation Theory of Neutrino Oscillation  

E-Print Network (OSTI)

Keeping in mind the possibility of large theta(13), which will be soon explored by reactor and accelerator experiments, I formulate a perturbation theory of neutrino oscillation under the ansatz, sin^2(theta_{13}) \\simeq Delta m^2_{21}/\\Delta m^2_{31} \\simeq 0.03, which is comparable to the Chooz limit. Under the framework, I derive the perturbative formula of the nu_{e} appearance probability valid to order \\epsilon^2 in which effects of arbitrary matter density profile is taken into account. I use the formula to analyze problem of possible obstruction to detecting lepton CP violation by effects of asymmetry in matter density profile. Though the asymmetry could be large for neutrino trajectories which traverse both continental and sea crust, its effect on obscuring CP violation measurement is found to be quite small.

Minakata, Hisakazu

2009-01-01T23:59:59.000Z

482

Large-Theta(13) Perturbation Theory of Neutrino Oscillation  

E-Print Network (OSTI)

Keeping in mind the possibility of large theta(13), which will be soon explored by reactor and accelerator experiments, I formulate a perturbation theory of neutrino oscillation under the ansatz, sin^2(theta_{13}) \\simeq Delta m^2_{21}/\\Delta m^2_{31} \\simeq 0.03, which is comparable to the Chooz limit. Under the framework, I derive the perturbative formula of the nu_{e} appearance probability valid to order \\epsilon^2 in which effects of arbitrary matter density profile is taken into account. I use the formula to analyze problem of possible obstruction to detecting lepton CP violation by effects of asymmetry in matter density profile. Though the asymmetry could be large for neutrino trajectories which traverse both continental and sea crust, its effect on obscuring CP violation measurement is found to be quite small.

Hisakazu Minakata

2009-10-29T23:59:59.000Z

483

eta_c production at the Large Hadron Collider  

E-Print Network (OSTI)

We have studied the production of the 1S_0 charmonium state, eta_c, at the Large Hadron Collider (LHC) in the framework of Non-Relativistic Quantum Chromodynamics (NRQCD) using heavy-quark symmetry. We find that NRQCD predicts a large production cross-section for this resonance at the LHC even after taking account the small branching ratio of eta_c into two photons. We show that it will be possible to test NRQCD through its predictions for eta_c, with the statistics that will be achieved at the early stage of the LHC, running at a center of mass energy of 7 TeV with an integrated luminosity of 100 pb^{-1}

Sudhansu S. Biswal; K. Sridhar

2010-07-29T23:59:59.000Z

484

Large magnetoresistance in oxide based ferromagnet/superconductor spin switches.  

SciTech Connect

We report large magnetoresistance (in excess of 1000%) in ferromagnet / superconductor / ferromagnet structures made of La{sub 0.7}Ca{sub 0.3}MnO{sub 3} and YBa{sub 2}Cu{sub 3}O{sub 7} in the current in plane (CIP) geometry. This magnetoresistance has many of the ingredients of the giant magnetoresistance of metallic superlattices: it is independent on the angle between current and magnetic field, depends on the relative orientation of the magnetization in the ferromagnetic layers, and takes very large values. The origin is enhanced scattering at the F/S interface in the anti parallel configuration of the magnetizations. Furthermore, we examine the dependence of the magnetoresistance effect on the thickness of the superconducting layer, and show that the magnetoresistance dies out for thickness in excess of 30 nm, setting a length scale for the diffusion of spin polarized quasiparticles.

Pena, V.; Nemes, N.; Visani, C.; Garcia-Barriocanal, J.; Bruno, F.; Arias, D.; Sefrioui, Z.; Leon, C.; te Velthuis, S. G. E.; Hoffmann, A.; Garcia-Hernandez, M.; Santamaria, J.; Materials Science Division; Univ. Complutense de Madrid; Inst. de Ciencia de Materiales de Madrid

2006-01-01T23:59:59.000Z

485

Randomized Sampling for Large Data Applications of SVM  

Science Conference Proceedings (OSTI)

A trend in machine learning is the application of existing algorithms to ever-larger datasets. Support Vector Machines (SVM) have been shown to be very effective, but have been difficult to scale to large-data problems. Some approaches have sought to scale SVM training by approximating and parallelizing the underlying quadratic optimization problem. This paper pursues a different approach. Our algorithm, which we call Sampled SVM, uses an existing SVM training algorithm to create a new SVM training algorithm. It uses randomized data sampling to better extend SVMs to large data applications. Experiments on several datasets show that our method is faster than and comparably accurate to both the original SVM algorithm it is based on and the Cascade SVM, the leading data organization approach for SVMs in the literature. Further, we show that our approach is more amenable to parallelization than Cascade SVM.

Ferragut, Erik M [ORNL; Laska, Jason A [ORNL

2012-01-01T23:59:59.000Z

486

Planning under uncertainty solving large-scale stochastic linear programs  

Science Conference Proceedings (OSTI)

For many practical problems, solutions obtained from deterministic models are unsatisfactory because they fail to hedge against certain contingencies that may occur in the future. Stochastic models address this shortcoming, but up to recently seemed to be intractable due to their size. Recent advances both in solution algorithms and in computer technology now allow us to solve important and general classes of practical stochastic problems. We show how large-scale stochastic linear programs can be efficiently solved by combining classical decomposition and Monte Carlo (importance) sampling techniques. We discuss the methodology for solving two-stage stochastic linear programs with recourse, present numerical results of large problems with numerous stochastic parameters, show how to efficiently implement the methodology on a parallel multi-computer and derive the theory for solving a general class of multi-stage problems with dependency of the stochastic parameters within a stage and between different stages.

Infanger, G. (Stanford Univ., CA (United States). Dept. of Operations Research Technische Univ., Vienna (Austria). Inst. fuer Energiewirtschaft)

1992-12-01T23:59:59.000Z

487

The ground state of the Kondo model with large spin  

E-Print Network (OSTI)

In this paper, we prove that the ground state of the Kondo model with large spin is nondegenerate, apart from a SU(2) spin degeneracy in the case of half filling. The ground state spin is found for the system, and the energy level orderings are discussed. Finally, the existence of ferrimagnetism in some cases is proved. PACS numbers: 75.10.Lp 75.30.Mb, 75.50.Gg The Kondo models, or single and lattice impurity models, are one of the most challenging subjects in strongly correlated systems 13. Recent developments of reflection positivity technique in the spin space make it possible to establish some rigorous results for the half-filled strongly correlated electron systems 49. Theory of reflection positivity in the spin space for the single- and multi-channel Kondo models with spin 1/2 was developed recently and a series of rigorous results on the ground state properties were proved 8,9. However some materials are described by the Kondo models with large spin, such as (La1?xXx)MnO3 with X = Ba, Ca, Sr etc. and the localised spin s = 3/2 10. Due to more degrees of freedom in the case of large spin than in the case of spin 1/2, usually it is very hard to extract rigorous results for those systems. As a generalisation of the theory for the Kondo model with spin 1/2, we will investigate the Kondo model with large spin and provide some rigorous results on the ground state of the Kondo model in the case of half filling. Let us first write down the Hamiltonian we will investigate:

Shun-qing Shen; Jisi Sci; Kijsi Sj

1996-01-01T23:59:59.000Z

488

High energy physics - The large and the small  

Science Conference Proceedings (OSTI)

In this Sixth International School on Field Theory and Gravitation, I was invited to give this talk to the students and researchers of Field Theory mainly about LHC - The Large Hadron Collider and results. I will try to summarize the main daily life of the high energy physics and give an idea about the experiments and the expectations for the near future. I will comment the present results and the prospects to LHC/CMS.

Santoro, Alberto [Universidade do Estado do Rio de Janeiro (Brazil)

2012-09-24T23:59:59.000Z

489

Enhanced Interpretation of Electromagnetic Signature Analysis for Large Machines  

Science Conference Proceedings (OSTI)

This project developed and applied frequency domain models to enhance interpretation of electromagnetic signature analysis (EMSA) for large electrical generators. The project's rationale was to provide a prediction of the native frequency response of the winding calculated from machine dimensions and design data so that the positions of the resonances would be known a priore. This procedure allowed augmentation of an EMSA spectrum at the characteristic resonant frequencies of the machine in the interpret...

2010-11-16T23:59:59.000Z

490

Device for imaging scenes with very large ranges of intensity  

SciTech Connect

A device for imaging scenes with a very large range of intensity having a pair of polarizers, a primary lens, an attenuating mask, and an imaging device optically connected along an optical axis. Preferably, a secondary lens, positioned between the attenuating mask and the imaging device is used to focus light on the imaging device. The angle between the first polarization direction and the second polarization direction is adjustable.

Deason, Vance Albert (Idaho Falls, ID)

2011-11-15T23:59:59.000Z

491

Large Optic Drying Station: Summary of Dryer Certification Tests  

SciTech Connect

The purpose of this document is to outline the methodology used to baseline and maintain the cleanliness status of the newly built and installed Large Optic Cleaning Station (LOCS). The station has currently been in use for eleven months; and after many cleaning studies and implementation of resulting improvements appears to be cleaning optics to a level that is acceptable for the fabrication of Nano-Laminates.

Barbee, T W; Ayers, S L; Ayers, M J

2009-08-28T23:59:59.000Z

492

Weighted order statistic classifiers with large rank-order margin.  

Science Conference Proceedings (OSTI)

We describe how Stack Filters and Weighted Order Statistic function classes can be used for classification problems. This leads to a new design criteria for linear classifiers when inputs are binary-valued and weights are positive . We present a rank-based measure of margin that can be directly optimized as a standard linear program and investigate its effect on generalization error with experiment. Our approach can robustly combine large numbers of base hypothesis and easily implement known priors through regularization.

Porter, R. B. (Reid B.); Hush, D. R. (Donald R.); Theiler, J. P. (James P.); Gokhale, M. (Maya)

2003-01-01T23:59:59.000Z

493

Four-Lepton Resonance at the Large Hadron Collider  

E-Print Network (OSTI)

A spin-1 weakly interacting vector boson, Z', is predicted by many new physics theories. Searches at colliders for such a Z' resonance typically focus on lepton-antilepton or top-antitop events. Here we present a novel channel with a Z' resonance that decays to 4 leptons, but not to 2 leptons, and discuss its possible discovery at the Large Hadron Collider. This baryonic gauge boson is well motivated in a supersymmetry framework.

Vernon Barger; Hye-Sung Lee

2011-11-02T23:59:59.000Z

494

Discriminating Supersymmetry and Black Holes at the Large Hadron Collider  

E-Print Network (OSTI)

We show how to differentiate the minimal supersymmetric extension of the standard model from black hole events at the Large Hadron Collider. Black holes are simulated with the CATFISH generator. Supersymmetry simulations use a combination of PYTHIA and ISAJET. Our study, based on event shape variables, visible and missing momenta, and analysis of dilepton events, demonstrates that supersymmetry and black hole events at the LHC can be easily discriminated.

Arunava Roy; Marco Cavaglia

2008-01-21T23:59:59.000Z

495

Polarization Measurements in Photoproduction with CEBAF Large Acceptance Spectrometer  

Science Conference Proceedings (OSTI)

A significant part of the experimental program in Hall-B of the Jefferson Lab is dedicated to the studies of the structure of baryons. CEBAF Large Acceptance Spectrometer (CLAS), availability of circularly and linearly polarized photon beams and recent addition of polarized targets provides remarkable opportunity for single, double and in some cases triple polarization measurements in photoproduction. An overview of the experiments will be presented.

E. Pasyuk

2010-05-01T23:59:59.000Z

496

Characterization of Large Area APDs for the EXO-200 Detector  

SciTech Connect

EXO-200 uses 468 large area avalanche photodiodes (LAAPDs) for detection of scintillation light in an ultra-low-background liquid xenon (LXe) detector. We describe initial measurements of dark noise, gain and response to xenon scintillation light of LAAPDs at temperatures from room temperature to 169 K - the temperature of liquid xenon. We also describe the individual characterization of more than 800 LAAPDs for selective installation in the EXO-200 detector.

Neilson, R.; LePort, F.; Pocar, A.; /Stanford U., Phys. Dept.; Kumar, K.; /Massachusetts U., Amherst; Odian, A.; Prescott, C.Y.; /SLAC; Tenev, V.; /Stanford U., Phys. Dept.; Ackerman, N.; /SLAC; Akimov, D.; /Moscow, ITEP; Auger, M.; /Bern U., LHEP; Benitez-Medina, C.; /Colorado State U.; Breidenbach, M.; /SLAC; Burenkov, A.; /Moscow, ITEP; Conley, R.; /SLAC; Cook, S.; /Colorado State U.; deVoe, R.; Dolinski, M.J.; /Stanford U., Phys. Dept.; Fairbank, W., Jr.; /Colorado State U.; Farine, J.; /Laurentian U.; Fierlinger, P.; Flatt, B.; /Stanford U., Phys. Dept. /Bern U., LHEP /Stanford U., Phys. Dept. /Maryland U. /Colorado State U. /Laurentian U. /Carleton U. /SLAC /Maryland U. /Moscow, ITEP /Alabama U. /SLAC /Colorado State U. /Stanford U., Phys. Dept. /Alabama U. /Stanford U., Phys. Dept. /Alabama U. /SLAC /Carleton U. /SLAC /Maryland U. /Moscow, ITEP /Carleton U. /Stanford U., Phys. Dept. /Bern U., LHEP /SLAC /Laurentian U. /SLAC /Maryland U.

2011-12-02T23:59:59.000Z

497

An amplifier for use with large-area photodiodes  

DOE Green Energy (OSTI)

We describe a high-gain ({approximately}10{sup 7}) amplifier for use with large-area silicon photodiodes for monitoring the intensity of plasma light from fusion experiments. To achieve the necessary gain without saturating the output signal, the amplifier design incorporates a bootstrap technique and capacitive coupling between amplifier stages. This design eliminates voltage offset at the amplifier output due to detector leakage, while retaining desirable low-frequency response characteristics.

Dyer, G.R.; Uckan, T. (Fusion Energy Division, Oak Ridge National Laboratory, Oak Ridge, TN (USA))

1990-12-01T23:59:59.000Z

498

Semiconductor-based, large-area, flexible, electronic devices  

SciTech Connect

Novel articles and methods to fabricate the same resulting in flexible, large-area, triaxially textured, single-crystal or single-crystal-like, semiconductor-based, electronic devices are disclosed. Potential applications of resulting articles are in areas of photovoltaic devices, flat-panel displays, thermophotovoltaic devices, ferroelectric devices, light emitting diode devices, computer hard disc drive devices, magnetoresistance based devices, photoluminescence based devices, non-volatile memory devices, dielectric devices, thermoelectric devices and quantum dot laser devices.

Goyal, Amit (Knoxville, TN)

2011-03-15T23:59:59.000Z

499

Cool Storage Economic Feasibility Analysis for a Large Industrial Facility  

E-Print Network (OSTI)

The analysis of economic feasibility for adding a cool storage facility to shift electric demand to off-peak hours for a large industrial facility is presented. DOE-2 is used to generate the necessary cooling load profiles for the analysis. The aggregation of building information for predicting central plant behavior at the site is discussed. The dollar benefits and costs for the project are favorable, providing a payback in the neighborhood of 4 to 5 years.

Fazzolari, R.; Mascorro, J. A.; Ballard, R. H.

1988-01-01T23:59:59.000Z

500

GADZOOKS! Antineutrino Spectroscopy with Large Water Cerenkov Detectors  

E-Print Network (OSTI)

We propose modifying large water \\v{C}erenkov detectors by the addition of 0.2% gadolinium trichloride, which is highly soluble, newly inexpensive, and transparent in solution. Since Gd has an enormous cross section for radiative neutron capture, with $\\sum E_\\gamma = 8$ MeV, this would make neutrons visible for the first time in such detectors, allowing