National Library of Energy BETA

Sample records for 18-meter tower height

  1. Wind Turbine Towers Establish New Height Standards and Reduce...

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

    Turbine Towers Establish New Height Standards and Reduce Cost of Wind Energy Wind Turbine Towers Establish New Height Standards and Reduce Cost of Wind Energy Case study that...

  2. Wind Turbine Towers Establish New Height Standards and Reduce...

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

    Wind Turbine Towers Establish New Height Standards and Reduce Cost of Wind Energy Wind Turbine Towers Establish New Height Standards and Reduce Cost of Wind Energy Case study that...

  3. Wind Turbine Towers for Greater Hub Heights Why higher wind turbine tower can contribute to increase energy

    E-Print Network [OSTI]

    McCalley, James D.

    towers represent 26% of the total WTG (Wind Turbine Generator) cost #12;Why concrete towerWind Turbine Towers for Greater Hub Heights Why higher wind turbine tower can contribute to increase energy output? · Energy output is proportional to the cube of wind velocity, 100m towers (versus

  4. A study of a cooling tower with variable packing heights 

    E-Print Network [OSTI]

    Khan, A. M. M. Farid

    1957-01-01

    and Electronic Relay 17 6. 7 ~ 8. View of the Instrument Panel Racking Arrangement Spacer and Packing Types 23 23 10. Effect of Tower Height on Range/Approach Ratio for Rectangular Packing 35 Effect of Tower Height on Range/Approach Rptio for Circular... - round type packing 33 VI. Average results ? triangular packing with vertex up 34 SYMBOLS ALUB ABB?', 'VIATIO&IS mass air flow rate, pounds per (hour)(unit ground area) h" ent'halpy of saturated ai- at water temperature, Btu per pound of dry air. ha...

  5. Wind Turbine Towers Establish New Height Standards and Reduce...

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

    enabled Wind Tower Systems to develop the Space Frame tower, a new concept for wind turbine towers. Instead of a solid steel tube, the Space Frame tower consists of a highly...

  6. Wind Turbine Towers Establish New Height Standards and Reduce Cost of Wind Energy

    Office of Energy Efficiency and Renewable Energy (EERE)

    Case study that summarizes the Wind Tower Systems and its Space Frame tower. Describes their new wind tower design and explains how DOE funding made this possible.

  7. Tokyo Tower

    E-Print Network [OSTI]

    Hacker, Randi; Tsutsui, William; Ashworth, William

    2007-01-03

    Broadcast Transcript: Scanning the skyline of the Japanese capital today, it's hard to catch sight of Tokyo Tower. Modeled on the Eiffel Tower and 333 meters in height, the orange-and-white landmark is the world's tallest self-supporting steel...

  8. Convection towers

    DOE Patents [OSTI]

    Prueitt, M.L.

    1996-01-16

    Convection towers which are capable of cleaning the pollution from large quantities of air, of generating electricity, and of producing fresh water utilize the evaporation of water sprayed into the towers to create strong airflows and to remove pollution from the air. Turbines in tunnels at the skirt section of the towers generate electricity, and condensers produce fresh water. 6 figs.

  9. Convection towers

    DOE Patents [OSTI]

    Prueitt, Melvin L. (Los Alamos, NM)

    1995-01-01

    Convection towers which are capable of cleaning the pollution from large quantities of air, of generating electricity, and of producing fresh water utilize the evaporation of water sprayed into the towers to create strong airflows and to remove pollution from the air. Turbines in tunnels at the skirt section of the towers generate electricity, and condensers produce fresh water.

  10. Convection towers

    DOE Patents [OSTI]

    Prueitt, Melvin L. (Los Alamos, NM)

    1994-01-01

    Convection towers which are capable of cleaning the pollution from large quantities of air and of generating electricity utilize the evaporation of water sprayed into the towers to create strong airflows and to remove pollution from the air. Turbines in tunnels at the skirt section of the towers generate electricity. Other embodiments may also provide fresh water, and operate in an updraft mode.

  11. Convection towers

    DOE Patents [OSTI]

    Prueitt, Melvin L. (Los Alamos, NM)

    1996-01-01

    Convection towers which are capable of cleaning the pollution from large quantities of air, of generating electricity, and of producing fresh water utilize the evaporation of water sprayed into the towers to create strong airflows and to remove pollution from the air. Turbines in tunnels at the skirt section of the towers generate electricity, and condensers produce fresh water.

  12. Convection towers

    DOE Patents [OSTI]

    Prueitt, M.L.

    1994-02-08

    Convection towers which are capable of cleaning the pollution from large quantities of air and of generating electricity utilize the evaporation of water sprayed into the towers to create strong airflows and to remove pollution from the air. Turbines in tunnels at the skirt section of the towers generate electricity. Other embodiments may also provide fresh water, and operate in an updraft mode. 5 figures.

  13. Cooling Towers: Understanding Key Components of Cooling Towers...

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

    Cooling Towers: Understanding Key Components of Cooling Towers and How to Improve Water Efficiency Cooling Towers: Understanding Key Components of Cooling Towers and How to Improve...

  14. THE TOWER, REFLECTED IN THE TOWER GARDEN PONDS THE GENERAL

    E-Print Network [OSTI]

    THE TOWER, REFLECTED IN THE TOWER GARDEN PONDS THE GENERAL UNIVERSITY OF TEXAS INFORMATION O Box 7216, Austin TX 78713- 7216. Cover: The Tower, reflected in one of the Tower Garden ponds

  15. Wireless Tower

    E-Print Network [OSTI]

    Unknown

    2011-09-05

    Cooling towers are energy conservation devices that Management, more often than not, historically overlooks in the survey of strategies for plant operating efficiencies. The utilization of the colder water off the cooling tower is the money maker!...

  16. Albritton Bell Tower - 8 

    E-Print Network [OSTI]

    Unknown

    2006-03-24

    to preventing future formation and further propagation. This study examines a currently existing structure known as the Watt’s Towers, or The Towers of Simon Rodia which exhibits extensive cracking. The effects of thermal cycles, both daily and annual...

  17. Albritton Bell Tower - 38 

    E-Print Network [OSTI]

    Unknown

    2006-01-01

    TOWER PERFORMANCE REFRIGERATION SYSTEMS, CHEMICAL PLANTS, AND POWER PLANTS ALL HAVE A RESOURCE QUIETLY AWAITING EXPLOITATION - COLD WATER!! ROBERT BURGER President Burger and Associates, Inc. Dallas, Texas Cooling towers, because... of their seeming simplicity, are usually orphans of the facilities operation. We are all aware that cooling towers are the step-children of the chemical process plant, electric power generating station, and refrigeration system. While engineers are pretty...

  18. Albritton Bell Tower - 43 

    E-Print Network [OSTI]

    Lane

    2006-03-24

    SAVINGS ROUTE MATT SMITH President L.S. Enterprises 9801 West Bahia Vista Fort Myers, ABSTRACT In most operations, cooling towers are not purposely overlooked by Plant Personnel. However, the lack of knowledge about their importance prevents... energy managers from making intelligent, informed decisions. This paper will compare the various types of cooling towers in use. Their operational and energy usage considerations will be discussed with old and new techniques explained. Cooling towers...

  19. Solar power tower

    SciTech Connect (OSTI)

    None, None

    2009-01-18

    The solar power tower section of the Renewable Energy Technology Characterizations describes the technical and economic status of this emerging renewable energy option for electricity supply.

  20. Environmental Impacts from the Operation of Cooling Towers at SRP

    SciTech Connect (OSTI)

    Smith, F.G. III

    2001-06-26

    An assessment has been made of the environmental effects that would occur from the operation of cooling towers at the SRP reactors. A more realistic numerical model of the cooling tower plume has been used to reassess the environmental impacts. The following effects were considered: (1) the occurrence of fog and ice and their impact on nearby structures, (2) drift and salt deposition from the plume, (3) the length and height of the visible plume, and (4) the possible dose from tritium.

  1. Wind tower service lift

    DOE Patents [OSTI]

    Oliphant, David; Quilter, Jared; Andersen, Todd; Conroy, Thomas

    2011-09-13

    An apparatus used for maintaining a wind tower structure wherein the wind tower structure may have a plurality of legs and may be configured to support a wind turbine above the ground in a better position to interface with winds. The lift structure may be configured for carrying objects and have a guide system and drive system for mechanically communicating with a primary cable, rail or other first elongate member attached to the wind tower structure. The drive system and guide system may transmit forces that move the lift relative to the cable and thereby relative to the wind tower structure. A control interface may be included for controlling the amount and direction of the power into the guide system and drive system thereby causing the guide system and drive system to move the lift relative to said first elongate member such that said lift moves relative to said wind tower structure.

  2. Cooling Towers- Energy Conservation Strategies Understanding Cooling Towers 

    E-Print Network [OSTI]

    Smith, M.

    1991-01-01

    Cooling towers are energy conservation devices that Management, more often than not, historically overlooks in the survey of strategies for plant operating efficiencies. The utilization of the colder water off the cooling tower is the money maker!...

  3. Cooling Towers, Energy Conservation Strategies 

    E-Print Network [OSTI]

    Burger, R.

    1983-01-01

    Cooling towers, because of their seeming simplicity, are usually orphans of the facilities operation. We are all aware that cooling towers are the step-children of the chemical process plant, electric power generating ...

  4. Cooling Towers, The Debottleneckers 

    E-Print Network [OSTI]

    Burger, R.

    1998-01-01

    and procedures to upgrade the large industrial cross-flow cooling towers to increase their performance, or to overcome poor operational deficiencies. One of the earlier methods was to introduce slabs of highl)(. .efficient counter-flow celIular filI packs...

  5. Albritton Bell Tower - 7 

    E-Print Network [OSTI]

    Unknown

    2006-03-24

    A cooling tower is often an overlooked source of easy energy savings. As long as it's running not much thought is usually given to it, but when numbers are applied to how much a degree of colder water is worth it can become a valuable and ready...

  6. How to Build a Tower

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

    Explain: The purpose of a tower and BPA's role in designing and building them. Show picturesschematics. Distribute materials to each team. Instruct the teams to work together to...

  7. Tower at University of Texas 

    E-Print Network [OSTI]

    Raiford Stripling Associates, Inc.; Stripling, Raiford L.

    2011-08-29

    Cooling towers have been on the scene for more than 50 years. It is because they have proven to be an economic choice for waste heat dissipation. But it seems, for some reason, that after installation very little attention is paid to the cooling-tower...

  8. Best Management Practice #10: Cooling Tower Management

    Office of Energy Efficiency and Renewable Energy (EERE)

    Cooling towers regulate temperature by dissipating heat from recirculating water used to cool chillers, air-conditioning equipment, or other process equipment. Heat is rejected from the tower...

  9. Cooling Towers, Energy Conservation Machines 

    E-Print Network [OSTI]

    Burger, R.

    1980-01-01

    Cooling towers, in all too many industrial plants, are often the neglected units of the process chain which are hidden bonanzas for energy conservation and dollar savings. By lowering the entire systems temperature by the use of colder water...

  10. Tower Temperature and Humidity Sensors (TWR) Handbook

    SciTech Connect (OSTI)

    Cook, DR

    2010-02-01

    Three tall towers are installed at the Atmospheric Radiation Measurement (ARM) Climate Research Facility: a 60-meter triangular tower at the Southern Great Plains (SGP) Central Facility (CF), a 21-meter walkup scaffolding tower at the SGP Okmulgee forest site (E21), and a 40-meter triangular tower at the North Slope of Alaska (NSA) Barrow site. The towers are used for meteorological, radiological, and other measurements.

  11. BREN Tower: A Monument to the Material Culture of Radiation Dosimetry Research

    SciTech Connect (OSTI)

    Susan Edwards

    2008-05-30

    With a height of more than 1,500 feet, the BREN (Bare Reactor Experiment, Nevada) Tower dominates the surrounding desert landscape of the Nevada Test Site. Associated with the nuclear research and atmospheric testing programs carried out during the 1950s and 1960s, the tower was a vital component in a series of experiments aimed at characterizing radiation fields from nuclear detonations. Research programs conducted at the tower provided the data for the baseline dosimetry studies crucial to determining the radiation dose rates received by the atomic bomb survivors of Hiroshima and Nagasaki, Japan. Today, BREN Tower stands as a monument to early dosimetry research and one of the legacies of the Cold War.

  12. CSP Tower Air Brayton Combustor

    Broader source: Energy.gov [DOE]

    This fact sheet describes a concentrating solar power tower air Brayton combustor project awarded under the DOE's 2012 SunShot CSP R&D award program. The team, led by the Southwest Research Institute, is working to develop an external combustor that allows for the mixing of CSP-heated air with natural gas in hybridized power plants. This project aims to increase the temperature capabilities of the CSP tower air receiver and gas turbine to 1,000ºC and achieve energy conversion efficiencies greater than 50%.

  13. Improving Process Cooling Tower Eddiciency 

    E-Print Network [OSTI]

    Turpish, W.

    2013-01-01

    stream_source_info ESL-IE-13-05-08.pdf.txt stream_content_type text/plain stream_size 7120 Content-Encoding ISO-8859-1 stream_name ESL-IE-13-05-08.pdf.txt Content-Type text/plain; charset=ISO-8859-1 Cooling Towers... in Process Applications Improving Process Cooling Tower Efficiency By: William (Bill) Turpish, PE, CEM, PEM, CEA W J Turpish and Associates, PC Shelby, North Carolina Rev 1.10 ESL-IE-13-05-08 Proceedings of the Thrity-Fifth Industrial Energy...

  14. Cooling Tower Inspection with Scuba 

    E-Print Network [OSTI]

    Brenner, W.

    1982-01-01

    tower pump suction basin was accomplished by diving into the basin using SCUBA gear. It was possible to see a build-up of debris on the pump suction basket strainers and on the floor of the sumps. Also, it was discovered that one of the four baskets had...

  15. 2004 Savannah River Cooling Tower Collection (U)

    SciTech Connect (OSTI)

    Garrett, Alfred [Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL); Parker, Matthew J. [Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL); Villa-Aleman, E. [Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)

    2005-05-01

    The Savannah River National Laboratory (SRNL) collected ground truth in and around the Savannah River Site (SRS) F-Area cooling tower during the spring and summer of 2004. The ground truth data consisted of air temperatures and humidity inside and around the cooling tower, wind speed and direction, cooling water temperatures entering; inside adn leaving the cooling tower, cooling tower fan exhaust velocities and thermal images taken from helicopters. The F-Area cooling tower had six cells, some of which were operated with fans off during long periods of the collection. The operating status (fan on or off) for each of the six cells was derived from operations logbooks and added to the collection database. SRNL collected the F-Area cooling tower data to produce a database suitable for validation of a cooling tower model used by one of SRNL's customer agencies. SRNL considers the data to be accurate enough for use in a model validation effort. Also, the thermal images of the cooling tower decks and throats combined with the temperature measurements inside the tower provide valuable information about the appearance of cooling towers as a function of fan operating status and time of day.

  16. Multi-objective optimization of solar tower power plants

    E-Print Network [OSTI]

    Ábrahám, Erika

    Multi-objective optimization of solar tower power plants Pascal Richter Center for Computational · Optimization of solar tower power plants 1/20 #12;Introduction ­ Solar tower power plants Solar tower PS10 (11 MW) in Andalusia, Spain · Solar tower with receiver · Heliostat field with self-aligning mirrors

  17. Vortex-augmented cooling tower - windmill combination

    DOE Patents [OSTI]

    McAllister, J.E. Jr.

    1982-09-02

    A cooling tower for cooling large quantities of effluent water from a production facility by utilizing natural wind forces includes the use of a series of helically directed air inlet passages extending outwardly from the base of the tower to introduce air from any direction in a swirling vortical pattern while the force of the draft created in the tower makes it possible to place conventional power generating windmills in the air passage to provide power as a by-product.

  18. Untapped Energy Savings from Cooling Towers 

    E-Print Network [OSTI]

    Phelps Jr., P.

    2011-01-01

    on the above number. We had a customer who ran their fans at 150 HP instead of their design 200 HP because their gear boxes failed rapidly at the higher horsepower. They weren?t losing fan operation since the gear boxes weren?t failing, but what... cooling tower?s performance is also measured referred to in percentages. A performance test will show if a tower is operating at 100% or something above or below that. A tower that is operating at 100% means it can cool 100% of its design flow...

  19. Sandia Energy - Power Towers for Utilities

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

    Power Towers for Utilities Home Stationary Power Energy Conversion Efficiency Solar Energy Concentrating Solar Power (CSP) National Solar Thermal Test Facility Central Receiver...

  20. The Independence Heights House

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE- Non-ResidentialAlliantPGE andOffice -EnergyEnergy |Heights House Prairie

  1. Pueblo Towers | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EA EIS Report Url JumpTechnology JumpPrueba 1 JumpDistrict No 1 JumpTowers

  2. Wind turbine tower for storing hydrogen and energy

    DOE Patents [OSTI]

    Fingersh, Lee Jay (Westminster, CO)

    2008-12-30

    A wind turbine tower assembly for storing compressed gas such as hydrogen. The tower assembly includes a wind turbine having a rotor, a generator driven by the rotor, and a nacelle housing the generator. The tower assembly includes a foundation and a tubular tower with one end mounted to the foundation and another end attached to the nacelle. The tower includes an in-tower storage configured for storing a pressurized gas and defined at least in part by inner surfaces of the tower wall. In one embodiment, the tower wall is steel and has a circular cross section. The in-tower storage may be defined by first and second end caps welded to the inner surface of the tower wall or by an end cap near the top of the tower and by a sealing element attached to the tower wall adjacent the foundation, with the sealing element abutting the foundation.

  3. Cooling tower environmental considerations for cogeneration projects

    SciTech Connect (OSTI)

    Weaver, K.L.; Putnam, R.A.; Schott, G.A.

    1994-12-31

    Careful consideration must be given to the potential environmental impacts resulting from cooling tower operations in cogeneration projects. Concerns include visible plumes, fogging and icing of nearby roadways, emissions, water use, aesthetics, and noise. These issues must be properly addressed in order to gain public acceptance and allow for easier permitting of the facility. This paper discusses the various evaporative type cooling tower technologies from an environmental standpoint. In addition, typical concerns and questions raised by the public are presented, along with suggested guidelines for addressing these concerns. The use of modeling to predict the potential environmental impacts from cooling tower operations is sometimes required by regulatory agencies as a condition for obtaining approval for the facility. This paper discusses two of the models that are currently available for predicting cooling tower environmental impacts such as fogging, icing, salt deposition, and visible plumes. The lack of standardized models for cooling tower noise predictions, and the means by which the modeling requirements may be achieved are also addressed. An overview of the characteristics of cooling tower noise, the various measures used for noise control and the interdependency of the control measures and other cooling tower performance parameters are presented. Guidance is provided to design cost effective, low noise installations. The requirements for cooling tower impact assessments to support permitting of a cogeneration facility are also presented.

  4. Hydrogen Storage in Wind Turbine Towers: Cost Analysis and Conceptual...

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

    in Wind Turbine Towers: Cost Analysis and Conceptual Design Hydrogen Storage in Wind Turbine Towers: Cost Analysis and Conceptual Design Preprint 34851.pdf More Documents &...

  5. FLUX MEASUREMENTS FROM A TALL TOWER IN A COMPLEX LANDSCAPE

    SciTech Connect (OSTI)

    Kurzeja, R.; Weber, A.; Chiswell, S.; Parker, M.

    2010-07-22

    The accuracy and representativeness of flux measurements from a tall tower in a complex landscape was assessed by examining the vertical and sector variability of the ratio of wind speed to momentum flux and the ratio of vertical advective to eddy flux of heat. The 30-60 m ratios were consistent with theoretical predictions which indicate well mixed flux footprints. Some variation with sector was observed that were consistent with upstream roughness. Vertical advection was negligible compared with vertical flux except for a few sectors at night. This implies minor influence from internal boundary layers. Flux accuracy is a function of sector and stability but 30-60 m fluxes were found to be generally representative of the surrounding landscape. This paper will study flux data from a 300 m tower, with 4 levels of instruments, in a complex landscape. The surrounding landscape will be characterized in terms of the variation in the ratio of mean wind speed to momentum flux as a function of height and wind direction. The importance of local advection will be assessed by comparing vertical advection with eddy fluxes for momentum and heat.

  6. Optimal sequencing of a cooling tower with multiple cells 

    E-Print Network [OSTI]

    Zhang, Z.; Liu, J.

    2012-01-01

    This paper evaluates the energy savings potential of multi-cell cooling tower optimal sequencing control methods. Annual tower fan energy usage is calculated for a counter-flow tower with multiple variable-speed fans. Effectiveness-NTU tower model...

  7. Height variation of the vector magnetic field in solar spicules

    E-Print Network [OSTI]

    Suarez, D Orozco; Bueno, J Trujillo

    2015-01-01

    Proving the magnetic configuration of solar spicules has hitherto been difficult due to the lack of spatial resolution and image stability during off-limb ground-based observations. We report spectropolarimetric observations of spicules taken in the He I 1083 nm spectral region with the Tenerife Infrared Polarimeter II at the German Vacuum Tower Telescope of the Observatorio del Teide (Tenerife; Canary Islands; Spain). The data provide the variation with geometrical height of the Stokes I, Q, U, and V profiles whose encoded information allows the determination of the magnetic field vector by means of the HAZEL inversion code. The inferred results show that the average magnetic field strength at the base of solar spicules is about 80 gauss and then it decreases rapidly with height to about 30 gauss at a height of 3000 km above the visible solar surface. Moreover, the magnetic field vector is close to vertical at the base of the chromosphere and has mid inclinations (about 50 degree) above 2 Mm height.

  8. On thermal performance of seawater cooling towers

    E-Print Network [OSTI]

    Sharqawy, Mostafa H.

    Seawater cooling towers have been used since the 1970s in power generation and other industries, so as to reduce the consumption of freshwater. The salts in seawater are known to create a number of operational problems, ...

  9. Advanced wet-dry cooling tower concept

    E-Print Network [OSTI]

    Snyder, Troxell Kimmel

    The purpose of this years' work has been to test and analyze the new dry cooling tower surface previously developed. The model heat transfer test apparatus built last year has been instrumented for temperature, humidity ...

  10. Projective preservation : reframing Rudolph's Tower for Boston

    E-Print Network [OSTI]

    Turner, Jessica K

    2012-01-01

    By 2012, the fate of Paul Rudolph's tower in downtown Boston has been in question for years while a vision of a denser city calls for its demolition. Projected development on the site currently argues that to move forward, ...

  11. Cooling Tower Considerations for Energy Optimizations 

    E-Print Network [OSTI]

    Burger, R.

    1986-01-01

    Energy conservation strategies and production economies involve more than examining the cooling tower fan consumption of horse power. Colder water provides vast potentials for savings. Ask yourself, "What is the dollar and energy utilization value...

  12. Cooling Towers--Energy Conservation Strategies 

    E-Print Network [OSTI]

    Matson, J.

    1991-01-01

    A cooling water system can be optimized by operating the cooling tower at the highest possible cycles of concentration without risking sealing and fouling of heat exchanger surfaces, tube bundles, refrigeration equipment, overhead condensers...

  13. Cooling Towers, The Neglected Energy Resource 

    E-Print Network [OSTI]

    Burger, R.

    1987-01-01

    -effective rapid dollar return for cooling tower upgrading expenditures. Whether it be heat rejection from compressors, electric motor, or chemical . process equipment, the cost of "hotter" cooling water is expensive in requiring additional energy to run... elements of the typical types of cooling towers currently used, delineates their functions and shows how to upgrade them in the real world for energy savings and profitability of operation. Hard before and after statistics of costs and profits...

  14. NREL National Wind Technology Center (NWTC): M2 Tower; Boulder, Colorado (Data)

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

    Jager, D.; Andreas, A.

    1996-09-24

    The National Wind Technology Center (NWTC), located at the foot of the Rocky Mountains near Boulder, Colorado, is a world-class research facility managed by NREL for the U.S. Department of Energy. NWTC researchers work with members of the wind energy industry to advance wind power technologies that lower the cost of wind energy through research and development of state-of-the-art wind turbine designs. NREL's Measurement and Instrument Data Center provides data from NWTC's M2 tower which are derived from instruments mounted on or near an 82 meter (270 foot) meteorological tower located at the western edge of the NWTC site and about 11 km (7 miles) west of Broomfield, and approximately 8 km (5 miles) south of Boulder, Colorado. The data represent the mean value of readings taken every two seconds and averaged over one minute. The wind speed and direction are measured at six heights on the tower and air temperature is measured at three heights. The dew point temperature, relative humidity, barometric pressure, totalized liquid precipitation, and global solar radiation are also available.

  15. NREL National Wind Technology Center (NWTC): M2 Tower; Boulder, Colorado (Data)

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

    Jager, D.; Andreas, A.

    The National Wind Technology Center (NWTC), located at the foot of the Rocky Mountains near Boulder, Colorado, is a world-class research facility managed by NREL for the U.S. Department of Energy. NWTC researchers work with members of the wind energy industry to advance wind power technologies that lower the cost of wind energy through research and development of state-of-the-art wind turbine designs. NREL's Measurement and Instrument Data Center provides data from NWTC's M2 tower which are derived from instruments mounted on or near an 82 meter (270 foot) meteorological tower located at the western edge of the NWTC site and about 11 km (7 miles) west of Broomfield, and approximately 8 km (5 miles) south of Boulder, Colorado. The data represent the mean value of readings taken every two seconds and averaged over one minute. The wind speed and direction are measured at six heights on the tower and air temperature is measured at three heights. The dew point temperature, relative humidity, barometric pressure, totalized liquid precipitation, and global solar radiation are also available.

  16. Lifting system and apparatus for constructing wind turbine towers

    DOE Patents [OSTI]

    Livingston, Tracy; Schrader, Terry; Goldhardt, James; Lott, James

    2011-02-01

    The disclosed invention is utilized for mounting a wind turbine and blade assembly on the upper end of a wind turbine tower. The invention generally includes a frame or truss that is pivotally secured to the top bay assembly of the tower. A transverse beam is connected to the frame or truss and extends fore of the tower when the frame or truss is in a first position and generally above the tower when in a second position. When in the first position, a wind turbine or blade assembly can be hoisted to the top of the tower. The wind turbine or blade assembly is then moved into position for mounting to the tower as the frame or truss is pivoted to a second position. When the turbine and blade assembly are secured to the tower, the frame or truss is disconnected from the tower and lowered to the ground.

  17. Digital places : rethinking urban elements : the case of the tower

    E-Print Network [OSTI]

    Gichuhi, Christopher M. (Christopher Mwethera), 1976-

    2004-01-01

    Problem - How can we make working, living and all aspects of our life in the urban tower more palatable? How can we create environment at the urban tower scale. With technology as one of the biggest drivers of social and ...

  18. Experimental Investigation of the Padding Tower for Air Dehumidifier 

    E-Print Network [OSTI]

    Wang, J.; Liu, J.; Li, C.; Zhang, G.; An, S.

    2006-01-01

    of the liquid desiccant air conditioning. Of these design parameters, the framework of the padding tower, ratio of the air and the concentration of the inlet solution is largest through the tower, the temperature and effects of the dehumidifying capability...

  19. Boise Air Traffic Control Tower: High Performance and sustainable Building Guiding Principles Technical Assistance

    SciTech Connect (OSTI)

    Fowler, Kimberly M.; Goel, Supriya; Henderson, Jordan W.

    2013-09-01

    Overview of energy efficiency opportunities for new FAA tower construction using the Boise Air Traffic Control Tower as an example.

  20. New North Dakota Factory to Produce Wind Towers, Jobs

    Broader source: Energy.gov [DOE]

    Wind tower factory could bring back some of the jobs lost when a machine manufacturing plant closed.

  1. Cooling Towers--Energy Conservation Strategies Preservative Spray Treatment Maintains Cooling Tower 

    E-Print Network [OSTI]

    Reidenback, R.

    1991-01-01

    Several problems common to most industrial wood framed cooling towers can be easily controlled with annual preservative spray treatment applications to the plenum area framework and drift eliminators. It eliminates the expensive periodic repairs due...

  2. THE UNIVERSITY OF EDINBURGH APPLETON TOWER

    E-Print Network [OSTI]

    Edinburgh, University of

    by vehicle can access APPLETON TOWER via Chapel Street - turning right into Windmill Street. The larger and 80yards from Windmill Street, if heading North and South respectively Location This building;Parking VEHICLE and WHEELCHAIR ACCESS ROUTE PEDSTRIAN ACCESS GEORGE SQUARE WINDMILL STREET CRICHTON ST

  3. Surface and Tower Meteorological Instrumentation at NSA Handbook - January 2006

    SciTech Connect (OSTI)

    MT Ritsche

    2006-01-30

    The Surface and Tower Meteorological Instrumentation at Atqasuk (METTWR2H) uses mainly conventional in situ sensors to measure wind speed, wind direction, air temperature, dew point and humidity mounted on a 10-m tower. It also obtains barometric pressure, visibility, and precipitation data from sensors at or near the base of the tower. In addition, a Chilled Mirror Hygrometer is located at 1 m for comparison purposes. Temperature and relative humidity probes are mounted at 2 m and 5 m on the tower. For more information, see the Surface and Tower Meteorological Instrumentation at Atqasuk Handbook.

  4. Height fluctuations in interacting dimers

    E-Print Network [OSTI]

    Alessandro Giuliani; Vieri Mastropietro; Fabio Lucio Toninelli

    2015-05-05

    We consider a non-integrable model for interacting dimers on the two-dimensional square lattice. Configurations are perfect matchings of $\\mathbb Z^2$, i.e. subsets of edges such that each vertex is covered exactly once ("close-packing" condition). Dimer configurations are in bijection with discrete height functions, defined on faces $\\boldsymbol{\\xi}$ of $\\mathbb Z^2$. The non-interacting model is "integrable" and solvable via Kasteleyn theory; it is known that all the moments of the height difference $h_{\\boldsymbol{\\xi}}-h_{\\boldsymbol{\\eta}}$ converge to those of the massless Gaussian Free Field (GFF), asymptotically as $|{\\boldsymbol{\\xi}}-{\\boldsymbol{\\eta}}|\\to \\infty$. We prove that the same holds for small non-zero interactions, as was conjectured in the theoretical physics literature. Remarkably, dimer-dimer correlation functions are instead not universal and decay with a critical exponent that depends on the interaction strength. Our proof is based on an exact representation of the model in terms of lattice interacting fermions, which are studied by constructive field theory methods. In the fermionic language, the height difference $h_{\\boldsymbol{\\xi}}-h_{\\boldsymbol{\\eta}}$ takes the form of a non-local operator, consisting of a sum of monomials along an {\\it arbitrary} path connecting $\\boldsymbol{\\xi}$ and $\\boldsymbol{\\eta}$. As in the non-interacting case, this path-independence plays a crucial role in the proof.

  5. Wet/dry cooling tower and method

    DOE Patents [OSTI]

    Glicksman, Leon R. (Lynnfield, MA); Rohsenow, Warren R. (Waban, MA)

    1981-01-01

    A wet/dry cooling tower wherein a liquid to-be-cooled is flowed along channels of a corrugated open surface or the like, which surface is swept by cooling air. The amount of the surface covered by the liquid is kept small compared to the dry part thereof so that said dry part acts as a fin for the wet part for heat dissipation.

  6. Side Stream Filtration for Cooling Towers

    SciTech Connect (OSTI)

    2012-10-20

    This technology evaluation assesses side stream filtration options for cooling towers, with an objective to assess key attributes that optimize energy and water savings along with providing information on specific technology and implementation options. This information can be used to assist Federal sites to determine which options may be most appropriate for their applications. This evaluation provides an overview of the characterization of side stream filtration technology, describes typical applications, and details specific types of filtration technology.

  7. Vortex-augmented cooling tower-windmill combination

    DOE Patents [OSTI]

    McAllister, Jr., John E. (Aiken, SC)

    1985-01-01

    A cooling tower for cooling large quantities of effluent water from a production facility by utilizing natural wind forces includes the use of a series of helically directed air inlet passages extending outwardly from the base of the tower to introduce air from any direction in a swirling vortical pattern while the force of the draft created in the tower makes it possible to place conventional power generating windmills in the air passages to provide power as a by-product.

  8. No Chemical, Zero Bleed Cooling Tower Water Treatment Process 

    E-Print Network [OSTI]

    Coke, A. L.

    1992-01-01

    BLEED COOLING TOWER WATER TREATMENT PROCESS ALDEN L. COKE, CWS IV, PRESIDENT, AQUA-FLO, INC., BALTIMORE, MARYLAND ABSTRACT This paper describes a process to treat cooling tower water by means of a fully automated and chemical free mechanical water... treatment process. This is an alternative to conventional chemical treatment. Beginning with a suction pump to draw water out of the tower sump, water goes through a permanent magnetic descaler to increase the water solubility and begin the scale...

  9. Technical Evaluation of Side Stream Filtration for Cooling Towers

    SciTech Connect (OSTI)

    2012-10-01

    Cooling towers are an integral component of many refrigeration systems, providing comfort or process cooling across a broad range of applications. Cooling towers represent the point in a cooling system where heat is dissipated to the atmosphere through evaporation. Cooling towers are commonly used in industrial applications and in large commercial buildings to release waste heat extracted from a process or building system through evaporation of water.

  10. Armor Tower Inc. Notification of Intent to Investigate

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

    and circumstances associated with the meteorological tower electrical shock event at Brookhaven National Laboratory on November 12, 2014. The U.S. Department of Energy's (DOE)...

  11. Project Profile: CSP Tower Air Brayton Combustor | Department...

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

    This project addresses key technical hurdles for an optimized CSP central tower hybrid gas turbine system to increase energy conversion efficiency to greater than 50%, greatly...

  12. Comparative evaluation of cooling tower drift eliminator performance

    E-Print Network [OSTI]

    Chan, Joseph Kwok-Kwong

    The performance of standard industrial evaporative cooling tower drift eliminators is analyzed using experiments and numerical simulations. The experiments measure the

  13. A' Brief. History of the Tower Shielding Facility and Tower Shielding Facility

    E-Print Network [OSTI]

    Equipment and Material Used for Experiments Waste Generation and Disposal Future #12;TOK?ZR SHIELDING Nuclear Propulsion Project 0 Requirements: Research in region free from ground and structure scattering COPPER RIDGE #12;#12;SERMT LINES - TOWER 4lWANGE4lENT SEE FIG. 6 GUY trerts Two-`4-h.&.TYf? 6+1.-41 w

  14. Tower, Minnesota: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEt Al., 2013)OpenEnergy Facilities Biomass Facility Jump to:TowTower,

  15. GreenTower | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainableGlynn County, Georgia:Oregon:Corp JumpGreen2VGreenTech Jump to:GreenTower

  16. Composite Tower Solutions | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoopButtePower Ventures JumpCommercial Jump to:Technology Corporation Jump to:Tower

  17. Sandia Energy - Power Towers for Utilities

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservation of Fe(II)Geothermal Energy &WaterNewPhotoionizationPower Towers for Utilities

  18. Estimating vehicle height using homographic projections

    DOE Patents [OSTI]

    Cunningham, Mark F; Fabris, Lorenzo; Gee, Timothy F; Ghebretati, Jr., Frezghi H; Goddard, James S; Karnowski, Thomas P; Ziock, Klaus-peter

    2013-07-16

    Multiple homography transformations corresponding to different heights are generated in the field of view. A group of salient points within a common estimated height range is identified in a time series of video images of a moving object. Inter-salient point distances are measured for the group of salient points under the multiple homography transformations corresponding to the different heights. Variations in the inter-salient point distances under the multiple homography transformations are compared. The height of the group of salient points is estimated to be the height corresponding to the homography transformation that minimizes the variations.

  19. PS10 Solar Power Tower Xi Jing, Fang

    E-Print Network [OSTI]

    Prevedouros, Panos D.

    area equivalent of 17 American Football Tower Solar receiver 4 vertical panels 18ft*39ft Steam turbine the solar energy to the grid in 2007 Operating cash flow 1.4 millions in 2007.Operating cash flow 1PS10 Solar Power Tower Xi Jing, Fang #12;Overview Magnitudes , Cost & TechnologiesMagnitudes , Cost

  20. Purification of water from cooling towers and other heat exchange systems

    DOE Patents [OSTI]

    Sullivan; Enid J. (Los Alamos, NM), Carlson; Bryan J. (Ojo Caliente, NM), Wingo; Robert M. (Los Alamos, NM), Robison; Thomas W. (Stilwell, KS)

    2012-08-07

    The amount of silica in cooling tower water is reduced by passing cooling tower water through a column of silica gel.

  1. Conversion Tower for Dispatchable Solar Power: High-Efficiency Solar-Electric Conversion Power Tower

    SciTech Connect (OSTI)

    2012-01-11

    HEATS Project: Abengoa Solar is developing a high-efficiency solar-electric conversion tower to enable low-cost, fully dispatchable solar energy generation. Abengoa’s conversion tower utilizes new system architecture and a two-phase thermal energy storage media with an efficient supercritical carbon dioxide (CO2) power cycle. The company is using a high-temperature heat-transfer fluid with a phase change in between its hot and cold operating temperature. The fluid serves as a heat storage material and is cheaper and more efficient than conventional heat-storage materials, like molten salt. It also allows the use of a high heat flux solar receiver, advanced high thermal energy density storage, and more efficient power cycles.

  2. A Single Tower Configuration of the Modular Gamma Box Counter System - 13392

    SciTech Connect (OSTI)

    Morris, K.; Nakazawa, D.; Francalangia, J.; Gonzalez, H.

    2013-07-01

    Canberra's Standard Gamma Box Counter System is designed to perform accurate quantitative assays of gamma emitting nuclides for a wide range of large containers including B-25 crates and ISO shipping containers. Using a modular building-block approach, the system offers tremendous flexibility for a variety of measurement situations with wide ranges of sample activities and throughput requirements, as well as the opportunity to modify the configuration for other applications at a later date. The typical configuration consists of two opposing towers each equipped with two high purity germanium detectors, and an automated container trolley. This paper presents a modified configuration, consisting of a single tower placed inside a measurement trailer with three detector assemblies, allowing for additional vertical segmentation as well as a viewing a container outside the trailer through the trailer wall. An automatic liquid nitrogen fill system is supplied for each of the detectors. The use of a forklift to move the container for horizontal segmentation is accommodated by creating an additional operational and calibration set-up in the NDA 2000 software to allow for the operator to rotate the container and assay the opposite side, achieving the same sensitivity as a comparable two-tower system. This Segmented Gamma Box Counter System retains the core technologies and design features of the standard configuration. The detector assemblies are shielded to minimize interference from environmental and plant background, and are collimated to provide segmentation of the container. The assembly positions can also be modified in height and distance from the container. The ISOCS calibration software provides for a flexible approach to providing the calibrations for a variety of measurement geometries. The NDA 2000 software provides seamless operation with the current configuration, handling the data acquisition and analysis. In this paper, an overview of this system is discussed, along with the measured performance results, calibration methodology and verification, and minimum detectable activity levels. (authors)

  3. Tower reactors for bioconversion of lignocellulosic material

    DOE Patents [OSTI]

    Nguyen, Q.A.

    1998-03-31

    An apparatus is disclosed for enzymatic hydrolysis and fermentation of pretreated lignocellulosic material. The apparatus consists of a tower bioreactor which has mixers to achieve intermittent mixing of the material. Precise mixing of the material is important for effective heat and mass transfer requirements without damaging or denaturing the enzymes or fermenting microorganisms. The pretreated material, generally in the form of a slurry, is pumped through the bioreactor, either upwards or downwards, and is mixed periodically as it passes through the mixing zones where the mixers are located. For a thin slurry, alternate mixing can be achieved by a pumping loop which also serves as a heat transfer device. Additional heat transfer takes place through the reactor heat transfer jackets. 5 figs.

  4. Tower reactors for bioconversion of lignocellulosic material

    DOE Patents [OSTI]

    Nguyen, Q.A.

    1999-03-30

    An apparatus is described for enzymatic hydrolysis and fermentation of pretreated lignocellulosic material, in the form of a tower bioreactor, having mixers to achieve intermittent mixing of the material. Precise mixing of the material is important for effective heat and mass transfer requirements without damaging or denaturing the enzymes or fermenting microorganisms. The pretreated material, generally in the form of a slurry, is pumped through the bioreactor, either upwards or downwards, and is mixed periodically as it passes through the mixing zones where the mixers are located. For a thin slurry, alternate mixing can be achieved by a pumping loop which also serves as a heat transfer device. Additional heat transfer takes place through the reactor heat transfer jackets. 5 figs.

  5. Tower reactors for bioconversion of lignocellulosic material

    DOE Patents [OSTI]

    Nguyen, Quang A. (16458 W. 1st Ave., Golden, CO 80401)

    1998-01-01

    An apparatus for enzymatic hydrolysis and fermentation of pretreated lignocellulosic material, in the form of a tower bioreactor, having mixers to achieve intermittent mixing of the material. Precise mixing of the material is important for effective heat and mass transfer requirements without damaging or denaturing the enzymes or fermenting microorganisms. The pretreated material, generally in the form of a slurry, is pumped through the bioreactor, either upwards of downwards, and is mixed periodically as it passes through the mixing zones where the mixers are located. For a thin slurry, alternate mixing can be achieved by a pumping loop which also serves as a heat transfer device. Additional heat transfer takes place through the reactor heat transfer jackets.

  6. Tower reactors for bioconversion of lignocellulosic material

    DOE Patents [OSTI]

    Nguyen, Quang A. (16458 W. 1st Ave., Golden, CO 80401)

    1999-01-01

    An apparatus for enzymatic hydrolysis and fermentation of pretreated lignocellulosic material, in the form of a tower bioreactor, having mixers to achieve intermittent mixing of the material. Precise mixing of the material is important for effective heat and mass transfer requirements without damaging or denaturing the enzymes or fermenting microorganisms. The pretreated material, generally in the form of a slurry, is pumped through the bioreactor, either upwards or downwards, and is mixed periodically as it passes through the mixing zones where the mixers are located. For a thin slurry, alternate mixing can be achieved by a pumping loop which also serves as a heat transfer device. Additional heat transfer takes place through the reactor heat transfer jackets.

  7. Power Tower Technology Roadmap and cost reduction plan.

    SciTech Connect (OSTI)

    Mancini, Thomas R.; Gary, Jesse A.; Kolb, Gregory J.; Ho, Clifford Kuofei

    2011-04-01

    Concentrating solar power (CSP) technologies continue to mature and are being deployed worldwide. Power towers will likely play an essential role in the future development of CSP due to their potential to provide dispatchable solar electricity at a low cost. This Power Tower Technology Roadmap has been developed by the U.S. Department of Energy (DOE) to describe the current technology, the improvement opportunities that exist for the technology, and the specific activities needed to reach the DOE programmatic target of providing competitively-priced electricity in the intermediate and baseload power markets by 2020. As a first step in developing this roadmap, a Power Tower Roadmap Workshop that included the tower industry, national laboratories, and DOE was held in March 2010. A number of technology improvement opportunities (TIOs) were identified at this workshop and separated into four categories associated with power tower subsystems: solar collector field, solar receiver, thermal energy storage, and power block/balance of plant. In this roadmap, the TIOs associated with power tower technologies are identified along with their respective impacts on the cost of delivered electricity. In addition, development timelines and estimated budgets to achieve cost reduction goals are presented. The roadmap does not present a single path for achieving these goals, but rather provides a process for evaluating a set of options from which DOE and industry can select to accelerate power tower R&D, cost reductions, and commercial deployment.

  8. Raman lidar/AERI PBL Height Product

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

    Ferrare, Richard

    Planetary Boundary Layer (PBL) heights have been computed using potential temperature profiles derived from Raman lidar and AERI measurements. Raman lidar measurements of the rotational Raman scattering from nitrogen and oxygen are used to derive vertical profiles of potential temperature. AERI measurements of downwelling radiance are used in a physical retrieval approach (Smith et al. 1999, Feltz et al. 1998) to derive profiles of temperature and water vapor. The Raman lidar and AERI potential temperature profiles are merged to create a single potential temperature profile for computing PBL heights. PBL heights were derived from these merged potential temperature profiles using a modified Heffter (1980) technique that was tailored to the SGP site (Della Monache et al., 2004). PBL heights were computed on an hourly basis for the period January 1, 2009 through December 31, 2011. These heights are provided as meters above ground level.

  9. Raman lidar/AERI PBL Height Product

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

    Ferrare, Richard

    2012-12-14

    Planetary Boundary Layer (PBL) heights have been computed using potential temperature profiles derived from Raman lidar and AERI measurements. Raman lidar measurements of the rotational Raman scattering from nitrogen and oxygen are used to derive vertical profiles of potential temperature. AERI measurements of downwelling radiance are used in a physical retrieval approach (Smith et al. 1999, Feltz et al. 1998) to derive profiles of temperature and water vapor. The Raman lidar and AERI potential temperature profiles are merged to create a single potential temperature profile for computing PBL heights. PBL heights were derived from these merged potential temperature profiles using a modified Heffter (1980) technique that was tailored to the SGP site (Della Monache et al., 2004). PBL heights were computed on an hourly basis for the period January 1, 2009 through December 31, 2011. These heights are provided as meters above ground level.

  10. Introducing an Online Cooling Tower Performance Analysis Tool 

    E-Print Network [OSTI]

    Muller, M.R.; Muller, M.B.; Rao, P.

    2012-01-01

    and variable nature of all of the factors that can influence performance; fan speed, wind speed, sump temperature, heat load, ambient temperature, relative humidity, etc. This can be overwhelming for a regular operator resulting in many cooling towers being set...

  11. Multi-objective optimization of solar tower heliostat fields

    E-Print Network [OSTI]

    Ábrahám, Erika

    on a tower-mounted receiver, see Fig. 1. The collector system uses hundreds or thousands of sun into account topography, tracking errors, and the position and intensity of the sun. An approach is introduced

  12. Cooling Tower Energy Conservation Through Hydraulic Fan Drives 

    E-Print Network [OSTI]

    Dickerson, J.

    1991-01-01

    Many companies offer gearboxes, shafts, and couplings for cooling tower fan drives, with little or no innovation. These companies have traditionally been purchased with an emphasis on cost and not "Return on Investment!" In the past, when energy...

  13. How did the WTC towers collapse: a new theory 

    E-Print Network [OSTI]

    Usmani, Asif; Chung, Y. C.; Torero, Jose L

    This paper uses a finite element model to investigate the stability of the Twin-Towers of the World Trade Center, New York for a number of different fire scenarios. This investigation does not take into account the ...

  14. A Microcomputer Model of Crossflow Cooling Tower Performance 

    E-Print Network [OSTI]

    Reichelt, G. E; Jones, J. W.

    1984-01-01

    to evaluate its response; moreover, a subprogram can evaluate pressure drop and motor/fan characteristics. Determination of the energy required to operate the tower enables its performance to be compared against energy-saving operations such as variable speed...

  15. Historic American engineering record. Nevada national security site, Bren Tower Complex. Written historical and descriptive data and field records

    SciTech Connect (OSTI)

    Edwards, Susan R.; Goldenberg, Nancy

    2013-08-01

    The BREN (Bare Reactor Experiment, Nevada) Tower Complex is significant for its role in the history of nuclear testing, radiation dosimetry studies, and early field testing of the Strategic Missile Defense System designs. At the time it was built in 1962, the 1,527 ft (465 m) BREN Tower was the tallest structure west of the Mississippi River and exceeded the height of the Empire State Building by 55 ft (17 m). It remains the tallest ever erected specifically for scientific purposes and was designed and built to facilitate the experimental dosimetry studies necessary for the development of accurate radiation dose rates for the survivors of Hiroshima and Nagasaki. The tower was a key component of the Atomic Bomb Casualty Commission’s (ABCC) mission to predict the health effects of radiation exposure. Moved to its current location in 1966, the crucial dosimetry studies continued with Operation HENRE (High Energy Neutron Reactions Experiment). These experiments and the data they generated became the basis for a dosimetry system called the Tentative 1965 Dose or more commonly the T65D model. Used to estimate radiation doses received by individuals, the T65D model was applied until the mid-1980s when it was replaced by a new dosimetry system known as DS86 based on the Monte Carlo method of dose rate calculation. However, the BREN Tower data are still used for verification of the validity of the DS86 model. In addition to its importance in radiation heath effects research, the BREN Tower Complex is also significant for its role in the Brilliant Pebbles research project, a major component of the Strategic Defense Initiative popularly known as the “Star Wars” Initiative. Instigated under the Reagan Administration, the program’s purpose was to develop a system to shield the United States and allies from a ballistic missile attack. The centerpiece of the Strategic Defense System was space-based, kinetic-kill vehicles. In 1991, BREN Tower was used for the tether tests of the Brilliant Pebbles prototype vehicle at the earth’s surface prior to the more costly space testing program. The success of these tests established the Brilliant Pebbles program as an essential component of America’s space-based missile defense system even after the dismantling of the Soviet Union. Data from the Brilliant Pebbles research program continues to inspire current missile defense system research (Independent Working Group 2009).

  16. The Tower Shielding Facility: Its glorious past

    SciTech Connect (OSTI)

    Muckenthaler, F.J.

    1997-05-07

    The Tower Shielding Facility (TSF) is the only reactor facility in the US that was designed and built for radiation-shielding studies in which both the reactor source and shield samples could be raised into the air to allow measurements to be made without interference from ground scattering or other spurious effects. The TSF proved its usefulness as many different programs were successfully completed. It became active in work for the Defense Atomic Support Agency (DASA) Space Nuclear Auxiliary Power, Defense Nuclear Agency, Liquid Metal Fast Breeder Reactor Program, the Gas-Cooled and High-Temperature Gas-Cooled Reactor programs, and the Japanese-American Shielding Program of Experimental Research, just to mention a few of the more extensive ones. The history of the TSF as presented in this report describes the various experiments that were performed using the different reactors. The experiments are categorized as to the programs which they supported and placed in corresponding chapters. The experiments are described in modest detail, along with their purpose when appropriate. Discussion of the results is minimal, but references are given to more extensive topical reports.

  17. The height of watermelons with wall

    E-Print Network [OSTI]

    Thomas Feierl

    2012-04-11

    We derive asymptotics for the moments as well as the weak limit of the height distribution of watermelons with p branches with wall. This generalises a famous result of de Bruijn, Knuth and Rice on the average height of planted plane trees, and results by Fulmek and Katori et al. on the expected value, respectively the higher moments, of the height distribution of watermelons with two branches. The asymptotics for the moments depend on the analytic behaviour of certain multidimensional Dirichlet series. In order to obtain this information we prove a reciprocity relation satisfied by the derivatives of one of Jacobi's theta functions, which generalises the well known reciprocity law for Jacobi's theta functions.

  18. Flame Height Measurement of Laminar Inverse Diffusion Flames

    E-Print Network [OSTI]

    Mikofski, Mark A.; Williams, Timothy C.; Shaddix, Christopher R.; Blevins, Linda G.

    2006-01-01

    Flame Height Measurement of Laminar Inverse Diffusion Flamesinverse diffusion flame, laminar, flame height, OH, laserair and methane-air laminar inverse diffusion flames were

  19. Cooling of hot gases by use of a spray tower 

    E-Print Network [OSTI]

    Pendleton, Elmer Lee

    1958-01-01

    , These included a sprayhead, number 5B Sprayco, which was located either at the top of the tower (A) or at a position four feet lower in the tower (B), a hot air inlet duct (C), an air outlet duct (D), a multiport gas burner (E), a ceramic checkerwork (F.... ?ne corresnonding m?ss w?s dote?- rrnrei) n-; use ? f su ~ table scales, . ni balances. Thc spec? f? cat iona I' or :j i'- ei' 'one. ? !'. )nws: ? ncp, a! i ' sty . ? i at?i. 'Fl. ? t"nr v: . , c ie. , " F. nu=rc. ured cy Can, " c? 0?ubdzv...

  20. Architecture TAKING ARCHITECTURE TO NEW HEIGHTS

    E-Print Network [OSTI]

    McConnell, Terry

    School of Architecture #12;TAKING ARCHITECTURE TO NEW HEIGHTS This is a time of tremendous momentum at the School of Architecture. Looking ahead, we have the unique opportunity to build on our strengths immediate and long term, and enable us to stake our ground as one of the country's premier architecture

  1. Ilchmann, Achim; Pahl, M. : Adaptive Multivariable pH Regulation of a Biogas Tower Reactor

    E-Print Network [OSTI]

    Ilchmann, Achim

    Ilchmann, Achim; Pahl, M. : Adaptive Multivariable pH Regulation of a Biogas Tower Reactor Zuerst. The adaptive controller was successlullytesteclover il pcriod of tu'o nonths at a biogas tower reuetoriu pilot are not applicable to the biogas tower reüctor.since a dontinatingf-eatureof the new reactol' prir-rciplc-is its

  2. Water Poster Competition Place: Rudder Tower Exhibit Hall

    E-Print Network [OSTI]

    Water Poster Competition Place: Rudder Tower Exhibit Hall Time: 9:00am to 4:00pm (judging from 2pm to 4pm) Click here to register. "Let's Talk About Water" and Movie Event Movie: "Last Call at the Oasis WMHS Program News C. Prakash Khedun Water is vital for life. Life form, as we know, would not have

  3. Solar Power Tower Design Basis Document, Revision 0

    SciTech Connect (OSTI)

    ZAVOICO,ALEXIS B.

    2001-07-01

    This report contains the design basis for a generic molten-salt solar power tower. A solar power tower uses a field of tracking mirrors (heliostats) that redirect sunlight on to a centrally located receiver mounted on top a tower, which absorbs the concentrated sunlight. Molten nitrate salt, pumped from a tank at ground level, absorbs the sunlight, heating it up to 565 C. The heated salt flows back to ground level into another tank where it is stored, then pumped through a steam generator to produce steam and make electricity. This report establishes a set of criteria upon which the next generation of solar power towers will be designed. The report contains detailed criteria for each of the major systems: Collector System, Receiver System, Thermal Storage System, Steam Generator System, Master Control System, and Electric Heat Tracing System. The Electric Power Generation System and Balance of Plant discussions are limited to interface requirements. This design basis builds on the extensive experience gained from the Solar Two project and includes potential design innovations that will improve reliability and lower technical risk. This design basis document is a living document and contains several areas that require trade-studies and design analysis to fully complete the design basis. Project- and site-specific conditions and requirements will also resolve open To Be Determined issues.

  4. Data Center Economizer Cooling with Tower Water; Demonstration of a

    E-Print Network [OSTI]

    LBNL-6660E Data Center Economizer Cooling with Tower Water; Demonstration of a Dual Heat Exchanger heat exchangers was demonstrated to illustrate an energy efficient cooling capability. This unique. A model of the heat exchangers' performance was developed and used with an industry standard energy

  5. User's manual: cooling-tower-plume prediction code

    SciTech Connect (OSTI)

    Policastro, A.J.; Coke, L.; Wastag, M.

    1984-04-01

    This report presents the theory and user's guide to a mathematical model for the prediction of the seasonal/annual physical impacts of cooling tower plumes, drift, fogging, icing, and shadowing. The model is aimed at providing predictions that may be used in the licensing of power plants with cooling towers. The submodels for these physical impacts provide improvements in theory and performance compared to existing methods. Validation with field and laboratory data has been done in all situations where good quality data exist. The seasonal/annual methodology employs a new technique which reduces the available meteorological record at a site to approximately 30 to 100 categories. The plume submodels are then run once for a representative of each category and results are summed up to provide predictions for a season or the year. The model allows the treatment of any number of identical natural- or mechanical-draft cooling towers in any geometrical orientation. The model is easy to use and requires a minimal amount of user input. It is set up to run with a TDF-14 or CD-144 ground level meteorological tape or standard NRC meteorological tape. The model encompasses four computer codes in which the output of one is the input to the next. In this way, intermediate output that may be informative is saved and may be examined. The use of a sequence of four codes permits more flexibility to the user allowing him the opportunity to better define the type and scale of printed output he wishes. The model is applied in two case studies, one for a site with three nearly colinear natural-draft cooling towers, and the other for a site with two linear mechanical-draft cooling towers oriented parallel to each other. Input and output to the codes are presented and described.

  6. Energy Efficiency Evaluation of Guangzhou West Tower Façade System 

    E-Print Network [OSTI]

    Meng, Q.; Zhang, L.

    2006-01-01

    /m 2·K? 2.35 1.5 Aluminium connect structure Aluminium connect structure Aluminium connect structure U-value of Roof?W/m 2·K? 1.55 0.9 0.88 0.88 0.88 Indoor useable area (m2) 252,000 252,000 252,000 252,000 247,000 West Tower model...

  7. Rebuilding the Tower of Babel: An introduction to freshman composition 

    E-Print Network [OSTI]

    Davis, Karen

    1978-01-01

    Rebuilding the Tower of Babel: An Introduction to Freshman Composition. (May 1978) Karen Davis, B. A. , Southwest Texas State University Chairman of Advisory Committee: Dr. Forrest Dean Burt New teachers of composition need a handbook to supplement... are doing even less to help students learn how to write. A 1974 survey of five hundred colleges and universities conducted by the ADE revealed the five most often used textbooks in freshman English: The Harbrace ~Guile e Handbook, ~Writin with a ~pur ose...

  8. CHARACTERISTIC p ANALOGUE OF MODULES WITH FINITE CRYSTALLINE HEIGHT

    E-Print Network [OSTI]

    Abrashkin, Victor

    CHARACTERISTIC p ANALOGUE OF MODULES WITH FINITE CRYSTALLINE HEIGHT Victor Abrashkin1 Abstract of Galois modules with crystalline height h N. If h = 1 these modules appear as geometric points[K]-modules with crystalline height h. Examples of such modules are given by subquotients of crystalline representations of K

  9. Best Practice for Energy Efficient Cleanrooms: Cooling tower and condenser water optimization

    E-Print Network [OSTI]

    Xu, Tengfang

    2005-01-01

    LBNL-58634 Best Practices for Energy Efficient Cleanrooms:05CH11231. Best Practice for Energy Efficient Cleanrooms:The cooling tower best practice efficiency based upon energy

  10. Power Towers of String Instantons for N=1 Vacua

    E-Print Network [OSTI]

    Ralph Blumenhagen; Maximilian Schmidt-Sommerfeld

    2008-03-11

    We provide arguments for the existence of novel hereinafter called poly-instanton corrections to holomorphic couplings in four-dimensional N=1 supersymmetric string compactifications. After refining quantitatively the D-brane instanton calculus for corrections to the gauge kinetic function, we explicitly apply it to the Type I toroidal orbifold defined in arXiv:0710.3080 and compare the results to the proposed heterotic S-dual model. This leads us to the intriguing conclusion that N=1 string vacua feature a power tower like proliferation of instanton corrections.

  11. Parametric study and dynamic analysis of compliant piled towers 

    E-Print Network [OSTI]

    Moog, Karl Heinz

    1990-01-01

    the Tower. . . . . . . . . . Vl. g Shear Force and Overturning Moment 65 GG 69 75 79 83 84 90 VII CONC'LUSIONS . F(EFERENC'ES . l 02 APPENDIX A 5IODE SHAPES 104 P a. ge APPENDIX A MODE SHAPES 104 APPENDIX B DYNAMIC RESPONSE FOR A SINGLE WAVE..., 3q, " Kgss = Gl, 5 CW, Kgss? 10 4C'W, l, p, " lr ? CIV, I, qr" ls 30 60 6C'W; 33i" Kgss = + 5l, 5 ? CW, It g 5 s 10 ? CW; pr" l, 10 10 4CW;I, 30 10 (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) In order to represent...

  12. Cooling tower plume and drift model: description and user's guide

    SciTech Connect (OSTI)

    Davis, E.A.

    1984-04-01

    This report documents the computer model of cooling tower plume and drift behavior developed and used at The Johns Hopkins University Applied Physics Laboratory. The work was sponsored primarily by the Maryland Power Plant Siting Program. The model has been used to make estimates of environmental impact of salt deposition and vapor plumes (visibility, fogging and icing). The report briefly discusses the physical basis of the model. It provides details of the modeling concepts, model structure, and its use including a complete model listing and examples of its execution.

  13. Microsoft Word - PowerTower_work_2009.doc

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGE OFDetection of Hydrates on Gas51PB-12330No. 1 ContractTower

  14. Alpine SunTower Solar Power Plant | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EAand DaltonSolarOpen5All HomeAlphakat GmbH Jump to:County,Alpine SunTower

  15. Concentrating Solar Power Tower System Basics | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergyTher i n c i p aDepartment ofCommercialEnergy Computers,dish/enginepower tower

  16. ON THE STRUCTURE AND STABILITY OF MAGNETIC TOWER JETS

    SciTech Connect (OSTI)

    Huarte-Espinosa, M.; Frank, A.; Blackman, E. G.; Ciardi, A.; Hartigan, P.; Lebedev, S. V.; Chittenden, J. P.

    2012-09-20

    Modern theoretical models of astrophysical jets combine accretion, rotation, and magnetic fields to launch and collimate supersonic flows from a central source. Near the source, magnetic field strengths must be large enough to collimate the jet requiring that the Poynting flux exceeds the kinetic energy flux. The extent to which the Poynting flux dominates kinetic energy flux at large distances from the engine distinguishes two classes of models. In magneto-centrifugal launch models, magnetic fields dominate only at scales {approx}< 100 engine radii, after which the jets become hydrodynamically dominated (HD). By contrast, in Poynting flux dominated (PFD) magnetic tower models, the field dominates even out to much larger scales. To compare the large distance propagation differences of these two paradigms, we perform three-dimensional ideal magnetohydrodynamic adaptive mesh refinement simulations of both HD and PFD stellar jets formed via the same energy flux. We also compare how thermal energy losses and rotation of the jet base affects the stability in these jets. For the conditions described, we show that PFD and HD exhibit observationally distinguishable features: PFD jets are lighter, slower, and less stable than HD jets. Unlike HD jets, PFD jets develop current-driven instabilities that are exacerbated as cooling and rotation increase, resulting in jets that are clumpier than those in the HD limit. Our PFD jet simulations also resemble the magnetic towers that have been recently created in laboratory astrophysical jet experiments.

  17. The potential of carbonyl sulfide as a proxy for gross primary production at flux tower sites

    E-Print Network [OSTI]

    Minnesota, University of

    The potential of carbonyl sulfide as a proxy for gross primary production at flux tower sites J. M August 2011; published 15 November 2011. [1] Seasonal dynamics of atmospheric carbonyl sulfide (OCS of carbonyl sulfide as a proxy for gross primary production at flux tower sites, J. Geophys. Res., 116, G04019

  18. Method and system for simulating heat and mass transfer in cooling towers

    DOE Patents [OSTI]

    Bharathan, Desikan (Lakewood, CO); Hassani, A. Vahab (Golden, CO)

    1997-01-01

    The present invention is a system and method for simulating the performance of a cooling tower. More precisely, the simulator of the present invention predicts values related to the heat and mass transfer from a liquid (e.g., water) to a gas (e.g., air) when provided with input data related to a cooling tower design. In particular, the simulator accepts input data regarding: (a) cooling tower site environmental characteristics; (b) cooling tower operational characteristics; and (c) geometric characteristics of the packing used to increase the surface area within the cooling tower upon which the heat and mass transfer interactions occur. In providing such performance predictions, the simulator performs computations related to the physics of heat and mass transfer within the packing. Thus, instead of relying solely on trial and error wherein various packing geometries are tested during construction of the cooling tower, the packing geometries for a proposed cooling tower can be simulated for use in selecting a desired packing geometry for the cooling tower.

  19. LQG control of horizontal wind turbines for blades and tower loads alleviation

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    LQG control of horizontal wind turbines for blades and tower loads alleviation A. Pintea*, N of power produced by two bladed horizontal variable speed wind turbines. The proposed controller ensures oscillations and with the tower bending tendency. Keywords: LQG control, Wind turbines, Multi-objective control

  20. Space variations in axis height of the jet stream core 

    E-Print Network [OSTI]

    Leutwyler, Cooke Hearon

    1965-01-01

    height, of 55 mb be- tween Model I (troughs) and Model II (ridges). However, the present models of the jet stream do not adequately describe the way a jet stream axis varies in height at a given time. The average presented by Reiter (1958... the Ridge cases, the standard deviation was smaller upstream from the reference height than it was downstream. Therefore the mean curves are more representative and useful as models upstream than they are downstream. C HAP TER I I I HEIGHT VARIATIONS...

  1. System and method for aligning heliostats of a solar power tower

    DOE Patents [OSTI]

    Convery, Mark R.

    2013-01-01

    Disclosed is a solar power tower heliostat alignment system and method that includes a solar power tower with a focal area, a plurality of heliostats that each reflect sunlight towards the focal area of the solar power tower, an off-focal area location substantially close to the focal area of the solar power tower, a communication link between the off-focal area location and a misaligned heliostat, and a processor that interprets the communication between the off-focal area location and the misaligned heliostat to identify the misaligned heliostat from the plurality of heliostats and that determines a correction for the identified misaligned heliostat to realign the misaligned heliostat to reflect sunlight towards the focal area of the solar power tower.

  2. Adjudication of a Contract for the Construction of the Cooling Tower Complex for the North Experimental Area

    E-Print Network [OSTI]

    1976-01-01

    Adjudication of a Contract for the Construction of the Cooling Tower Complex for the North Experimental Area

  3. September/October 2006 Out of the Ivory Tower Safety of HFCS GM plants: GM-less Pollen

    E-Print Network [OSTI]

    Ishida, Yuko

    _____________________________________________________________________________ Out of the Ivory Tower Safety of HFCS GM plants: GM-less Pollen Colony Condition ­ CA/US CSBA

  4. The height and range of watermelons without wall

    E-Print Network [OSTI]

    Thomas Feierl

    2009-04-03

    We determine the weak limit of the distribution of the random variables "height" and "range" on the set of p-watermelons without wall restriction as the number of steps tends to infinity. Additionally, we provide asymptotics for the moments of the random variable "height".

  5. GLOBAL PATTERN OF MESOSCALE VARIABILITY IN SEA SURFACE HEIGHT

    E-Print Network [OSTI]

    Kaplan, Alexey

    GLOBAL PATTERN OF MESOSCALE VARIABILITY IN SEA SURFACE HEIGHT AND ITS DYNAMICAL CAUSES Alexey separate the mesoscale variability of sea surface heights into its spatial and temporal components of mesoscale variability in different areas to dynamical causes. Major portion of it can be explained

  6. The evolution of magnetic tower jets in the laboratory

    E-Print Network [OSTI]

    A. Ciardi; S. V. Lebedev; A. Frank; E. G. Blackman; J. P. Chittenden; C. J. Jennings; D. J. Ampleford; S. N. Bland; S. C. Bott; J. Rapley; G. N. Hall; F. A. Suzuki-Vidal; A. Marocchino; T. Lery; C. Stehle

    2006-11-14

    The evolution of laboratory produced magnetic jets is followed numerically through three-dimensional, non-ideal magnetohydrodynamic simulations. The experiments are designed to study the interaction of a purely toroidal field with an extended plasma background medium. The system is observed to evolve into a structure consisting of an approximately cylindrical magnetic cavity with an embedded magnetically confined jet on its axis. The supersonic expansion produces a shell of swept-up shocked plasma which surrounds and partially confines the magnetic tower. Currents initially flow along the walls of the cavity and in the jet but the development of current-driven instabilities leads to the disruption of the jet and a re-arrangement of the field and currents. The top of the cavity breaks-up and a well collimated, radiatively cooled, 'clumpy' jet emerges from the system.

  7. Improvement of risk estimate on wind turbine tower buckled by hurricane

    E-Print Network [OSTI]

    Li, Jingwei

    2013-01-01

    Wind is one of the important reasonable resources. However, wind turbine towers are sure to be threatened by hurricanes. In this paper, method to estimate the number of wind turbine towers that would be buckled by hurricanes is discussed. Monte Carlo simulations show that our method is much better than the previous one. Since in our method, the probability density function of the buckling probability of a single turbine tower in a single hurricane is obtained accurately but not from one approximated expression. The result in this paper may be useful to the design and maintenance of wind farms.

  8. Optimal Cell Towers Distribution by using Spatial Mining and Geographic Information System

    E-Print Network [OSTI]

    AL-Hamami, Alaa H

    2011-01-01

    The appearance of wireless communication is dramatically changing our life. Mobile telecommunications emerged as a technological marvel allowing for access to personal and other services, devices, computation and communication, in any place and at any time through effortless plug and play. Setting up wireless mobile networks often requires: Frequency Assignment, Communication Protocol selection, Routing schemes selection, and cells towers distributions. This research aims to optimize the cells towers distribution by using spatial mining with Geographic Information System (GIS) as a tool. The distribution optimization could be done by applying the Digital Elevation Model (DEM) on the image of the area which must be covered with two levels of hierarchy. The research will apply the spatial association rules technique on the second level to select the best square in the cell for placing the antenna. From that the proposal will try to minimize the number of installed towers, makes tower's location feasible, and pr...

  9. Cooling Water Systems - Energy Savings/Lower Costs By Reusing Cooling Tower Blowdown 

    E-Print Network [OSTI]

    Puckorius, P. R.

    1981-01-01

    down for reuse into the cooling tower system. Several plants have been built and operated with considerable difficulty regarding effective operation of the softener due to improper chemical selection. However, other plants have utilized the proper...

  10. Exquisite corpse: a tower for the public in the era of exhausted modernity

    E-Print Network [OSTI]

    Jang, Sungwoo

    2012-01-01

    Towers in Manhattan, especially in business areas, have historically used a single overarching system in order to visualize images of their corporate identity and immerse the public in the image of development. While using ...

  11. Plume configuration and plume recirculation/interference of the Vienna cooling towers

    SciTech Connect (OSTI)

    Jain, S.C.; Kennedy, J.F.

    1980-12-01

    The objective of the laboratory model investigation reported herein was to study the behavior of the effluent plumes from the existing and proposed mechanical draft wet cooling towers at the Vienna power plant. Included in the study are plume recirculation and interference of the existing rectangular tower and the proposed round tower as well as effects on plume behavior of the power plant buildings and the coal pile. The study results can be utilized to determine the visible plume boundaries and cooling tower stack effluent concentration distributions for various meteorological and power plant operating conditions. The results can then be used to determine whether or not the plumes will cause fogging or icing on the proposed Route 50 bypass. Tests were conducted for several wind speeds and for the prevailing winter and summer wind directions.

  12. Beyond the ivory tower : in search of a new form for campus-community relationships

    E-Print Network [OSTI]

    Bowman, Anne (Anne Renee)

    2011-01-01

    The terms "ivory tower" and "town-gown" have long been used to characterize the relationship between institutions of higher education and the communities in which they reside. While these adversarial phrases reflect the ...

  13. Economic and design analysis of daylighting a commercial tower in a hot and humid climate

    E-Print Network [OSTI]

    Roscow, Robert F

    1981-01-01

    A forty story commercial office tower in Tampa, Florida was redesigned for daylighting. The methods are outlined and results illustrated, A cooling load comparison is done to determine the economic feasibility of such a ...

  14. In the Shadow of No Towers: Symphony Number Four, A Conductor's Analysis

    E-Print Network [OSTI]

    Mapp, Michael Wayne

    2013-08-31

    This document serves as an examination of Mohammed Fairouz's (b. 1986) piece, In the Shadow of No Towers: Symphony Number Four (2012). Included within this paper are sections covering: biographical information of the ...

  15. "BECAUSE SOME STORIES DO LIVE FOREVER": STEPHEN KING'S THE DARK TOWER SERIES AS MODERN ROMANCE

    E-Print Network [OSTI]

    McMurray, Rachel Elizabeth

    2012-05-31

    Stephen King's Dark Tower series is a seven-volume work that contains elements from myths, fairy tales, American westerns, legends, popular culture, Gothic literature, and medieval romance. Few scholars have engaged with this series, most likely due...

  16. Data Center Economizer Cooling with Tower Water; Demonstration of a Dual Heat Exchanger Rack Cooling Device

    E-Print Network [OSTI]

    Greenberg, Steve

    2014-01-01

    LBNL-XXXXX Data Center Economizer Cooling with Tower Water;included a water- side economizer. This model estimated theand without a water-side economizer and including or not

  17. Wind Turbine Inspection Technology Reaches New Heights | GE Global...

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

    Home > Edison's Desk > Wind Turbine Inspection Technology Reaches New Heights Click to email this to a friend (Opens in new window) Share on Facebook (Opens in new window) Click to...

  18. Hierarchical occlusion culling for arbitrarily-meshed height fields 

    E-Print Network [OSTI]

    Edmondson, Paul Michael

    2004-09-30

    Many graphics applications today have need for high-speed 3-D visualization of height fields. Most of these applications deal with the display of digital terrain models characterized by a simple, but vast, non-overlapping ...

  19. Computer Simulation of Cooling Effect of Wind Tower on Passively Ventilated Building 

    E-Print Network [OSTI]

    Seryak, J.; Kissock, J. K.

    2002-01-01

    equipment. A simple computer program was developed to simulate airflow through a wind tower based on tower dimensions and air temperature. The program was compared to experimental results with reasonable agreement. Parametric analysis indicates... of an occupied auditorium on an hour- by-hour basis using TMY2 data for Dayton, Ohio. SIMPLIFIED MODEL OF BUILDING INTERIOR AIR TEMPERATURE Assuming steady state conditions, an energy balance of major sensible heat flows into and out of a building yields...

  20. Heat Transfer Performance of a Dry and Wet / Dry Advanced Cooling Tower Condenser 

    E-Print Network [OSTI]

    Fricke, H. D.; Webster, D. J.; McIlroy, K.; Bartz, J. A.

    1981-01-01

    PERFORMANCE OF A DRY AND WET/DRY ADVANCED COOLING TOWER CONDENSER Hans D. Fricke, David J. Webster, Kenneth McIlroy Union carbide Corporation - Linde Division, Tonawanda, New York John A. Bartz Electric Power Research Institute, Palo Alto, california... cooling in creases siting flexibility, particularly for locations in arid Western coal fields. However, dry cooling requires considerable capital investment for the cooling towers. Hence, the development of effitient (low cost) heat transfer surfaces...

  1. Control of bed height in a fluidized bed gasification system

    DOE Patents [OSTI]

    Mehta, Gautam I. (Greensburg, PA); Rogers, Lynn M. (Export, PA)

    1983-12-20

    In a fluidized bed apparatus a method for controlling the height of the fdized bed, taking into account variations in the density of the bed. The method comprises taking simultaneous differential pressure measurements at different vertical elevations within the vessel, averaging the differential pressures, determining an average fluidized bed density, then periodically calculating a weighting factor. The weighting factor is used in the determination of the actual bed height which is used in controlling the fluidizing means.

  2. Effects of working arm heights and age on blood pressure 

    E-Print Network [OSTI]

    Cahalane, Patrick Takeo

    1985-01-01

    EFFECTS OF MORKING ARM HEIGHTS AND AGE ON BLOOD PRESSURE A Thesis PATRICK TAKEO CAHALANE Submitted to the Graduate College of Texas ASM University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE May 1985 Major... Subject: Industrial Engineering EFFECTS OF WORKING ARM HEIGHTS AND AGE ON BLOOD PRESSURE A Thesis by PATRICK TAKEO CAHALANE Approved as to stvle and content by: Dr. R. Dale Huchi son (Chairman of Committee) Dr. Rodger J. Koppa (Member) Dr. R...

  3. Dynamic Resource Allocation with the arcControlTower

    E-Print Network [OSTI]

    Filipcic, Andrej; The ATLAS collaboration; Nilsen, Jon Kerr

    2015-01-01

    Distributed computing resources available for high-energy physics research are becoming less dedicated to one type of workflow and researchers’ workloads are increasingly exploiting modern computing technologies such as parallelism. The current pilot job management model used by many experiments relies on static dedicated resources and cannot easily adapt to these changes. The model used for ATLAS in Nordic countries and some other places enables a flexible job management system based on dynamic resources allocation. Rather than a fixed set of resources managed centrally, the model allows resources to be requested on the fly. The ARC Computing Element (ARC-CE) and ARC Control Tower (aCT) are the key components of the model. The aCT requests jobs from the ATLAS job management system (PanDA) and submits a fully-formed job description to ARC-CEs. ARC-CE can then dynamically request the required resources from the underlying batch system. In this paper we describe the architecture of the model and the experienc...

  4. CHEP2015: Dynamic Resource Allocation with arcControlTower

    E-Print Network [OSTI]

    Filipcic, Andrej; The ATLAS collaboration; Nilsen, Jon Kerr

    2015-01-01

    Distributed computing resources available for high-energy physics research are becoming less dedicated to one type of workflow and researchers’ workloads are increasingly exploiting modern computing technologies such as parallelism. The current pilot job management model used by many experiments relies on static dedicated resources and cannot easily adapt to these changes. The model used for ATLAS in Nordic countries and some other places enables a flexible job management system based on dynamic resources allocation. Rather than a fixed set of resources managed centrally, the model allows resources to be requested on the fly. The ARC Computing Element (ARC-CE) and ARC Control Tower (aCT) are the key components of the model. The aCT requests jobs from the ATLAS job mangement system (Panda) and submits a fully-formed job description to ARC-CEs. ARC-CE can then dynamically request the required resources from the underlying batch system. In this paper we describe the architecture of the model and the experience...

  5. Cooling tower and plume modeling for satellite remote sensing applications

    SciTech Connect (OSTI)

    Powers, B.J.

    1995-05-01

    It is often useful in nonproliferation studies to be able to remotely estimate the power generated by a power plant. Such information is indirectly available through an examination of the power dissipated by the plant. Power dissipation is generally accomplished either by transferring the excess heat generated into the atmosphere or into bodies of water. It is the former method with which we are exclusively concerned in this report. We discuss in this report the difficulties associated with such a task. In particular, we primarily address the remote detection of the temperature associated with the condensed water plume emitted from the cooling tower. We find that the effective emissivity of the plume is of fundamental importance for this task. Having examined the dependence of the plume emissivity in several IR bands and with varying liquid water content and droplet size distributions, we conclude that the plume emissivity, and consequently the plume brightness temperature, is dependent upon not only the liquid water content and band, but also upon the droplet size distribution. Finally, we discuss models dependent upon a detailed point-by-point description of the hydrodynamics and thermodynamics of the plume dynamics and those based upon spatially integrated models. We describe in detail a new integral model, the LANL Plume Model, which accounts for the evolution of the droplet size distribution. Some typical results obtained from this model are discussed.

  6. Investigation of Flying-Height Stability of Thermal Fly-Height Control Sliders in Lubricant or Solid Contact with Roughness

    E-Print Network [OSTI]

    Zheng, Jinglin; Bogy, David B.

    2010-01-01

    Gonzaga, L. , Man, Y.J. : Lubricant-sur?ng recording and itsSlider dynamics in the lubricant-contact regime. IEEE Trans.Height Control Sliders in Lubricant or Solid Contact with

  7. 24 m meteorological tower data report period: January through December, 1996

    SciTech Connect (OSTI)

    Freeman, D.; Bowen, J.; Egami, R.; Coulombe, W.; Crow, D.; Cristani, B.; Schmidt, S.

    1997-12-01

    This report was prepared by the Desert Research Institute (DRI) for the US Department of Energy (DOE). It summarizes meteorological data collected at the 24 meter tower at the Nevada Test Site Hazardous Material Spill Center (HAZMAT) located at Frenchman Flat near Mercury, Nevada, approximately 75 miles northwest of Las Vegas, Nevada. The tower was originally installed in July, 1993 to characterize baseline conditions for an EPA sponsored experimental research program at the HAZMAT. This report presents results of the monitoring for January--December, 1996, providing: a status of the measurement systems during the report period and a summary of the meteorological conditions at the HAZMAT during the report period. The scope of the report is limited to summary data analyses and does not include extensive meteorological analysis. The tower was instrumented at 8 levels. Wind speed, wind direction, and temperature were measured at all 8 levels. Relative humidity was measured at 3 levels. Solar and net radiation were measured at 2 meters above the ground. Barometric pressure was measured at the base of the tower and soil temperature was measured near the base of the tower.

  8. Brayton-Cycle Baseload Power Tower CSP System

    SciTech Connect (OSTI)

    Anderson, Bruce

    2013-12-31

    The primary objectives of Phase 2 of this Project were: 1. Engineer, fabricate, and conduct preliminary testing on a low-pressure, air-heating solar receiver capable of powering a microturbine system to produce 300kWe while the sun is shining while simultaneously storing enough energy thermally to power the system for up to 13 hours thereafter. 2. Cycle-test a high-temperature super alloy, Haynes HR214, to determine its efficacy for the system’s high-temperature heat exchanger. 3. Engineer the thermal energy storage system This Phase 2 followed Wilson’s Phase 1, which primarily was an engineering feasibility study to determine a practical and innovative approach to a full Brayton-cycle system configuration that could meet DOE’s targets. Below is a summary table of the DOE targets with Wilson’s Phase 1 Project results. The results showed that a Brayton system with an innovative (low pressure) solar receiver with ~13 hours of dry (i.e., not phase change materials or molten salts but rather firebrick, stone, or ceramics) has the potential to meet or exceed DOE targets. Such systems would consist of pre-engineered, standardized, factory-produced modules to minimize on-site costs while driving down costs through mass production. System sizes most carefully analyzed were in the range of 300 kWe to 2 MWe. Such systems would also use off-the-shelf towers, blowers, piping, microturbine packages, and heliostats. Per DOE’s instructions, LCOEs are based on the elevation and DNI levels of Daggett, CA, for a 100 MWe power plant following 2 GWe of factory production of the various system components. Success criteria DOE targets Wilson system LCOE DOE’s gas price $6.75/MBtu 9 cents/kWh 7.7 cents/kWh LCOE Current gas price $4.71/MBtu NA 6.9 cents/kWh Capacity factor 75% (6500hr) 75-100% Solar fraction 85% (5585hr) >5585hr Receiver cost $170/kWe $50/kWe Thermal storage cost $20/kWhth $13/kWhth Heliostat cost $120/m2 $89.8/m2

  9. Offshore Series Wind Turbine Variable Hub heights & rotor diameters

    E-Print Network [OSTI]

    Firestone, Jeremy

    3.6MW Offshore Series Wind Turbine GE Energy #12;Feature Variable Hub heights & rotor diameters-savings feature, considering the rigors of offshore power generation. The 3.6 MW offshore wind turbine also, for both on and offshore use. Special features include... As the world's first commercially available wind

  10. Offshore Series Wind Turbine Variable Hub heights & rotor diameters

    E-Print Network [OSTI]

    Firestone, Jeremy

    3.6MW Offshore Series Wind Turbine GE Energy #12;Feature Variable Hub heights & rotor diameters and providing longer turbine life GE's unique electronics provide transmission efficiencies and enable harmonious function within the local grid Allows wind turbines to stay on line generating power, even during

  11. Impact of wind gusts on sea surface height in storm

    E-Print Network [OSTI]

    Vries, Hans de

    Impact of wind gusts on sea surface height in storm surge situations. Jonsmod, May 2010 Rikke van der Grinten (KNMI/IMAU) Hans de Vries (KNMI) Huib de Swart (IMAU) #12;2 Jonsmod, May 2010 Wind forcing winds from HiRLAM Drag relation, Charnock relation: with: #12;Jonsmod, May 2010 Wind stress · Assumption

  12. Computing canonical heights on Von der Universitat Bayreuth

    E-Print Network [OSTI]

    Stoll, Michael

    for the explicit computation of canonical heights on Ja- cobians of smooth projective curves. Building on an existing algorithm due to Flynn and Smart with modifications by Stoll we generalize efficient methods generality, building on earlier work due to Flynn, and a careful study of the local N´eron models

  13. Strategy for the Operation of Cooling Towers with variable Speed Fans

    E-Print Network [OSTI]

    Iñigo-Golfín, J

    2001-01-01

    Within the SPS Cooling Water Project at CERN aimed at the reduction of water consumption, this primary open cooling loop will be closed and all the primary cooling circuit components will be upgraded to the new required duty and brought to the necessary safety and operability standards. In particular the tower fans will be fitted with variable frequency drives to replace the existing two speed motors. This paper presents a study to optimize the operation of SPS cooling towers taking into account outdoor conditions (wet and dry bulb temperatures) and the entirety of the primary circuit in which they will operate.

  14. Concept study and validation of Antarctic telescope tower SPIE vol. 6268, Advances in Stellar Interferometry, paper 41, 2006

    E-Print Network [OSTI]

    Rutten, Rob

    project surveyed relevant tower design approaches, then generated and evaluated six concept designs for telescope towers. Using data for typical and extreme wind at Dome C to generate wind loads, finite element analysis yielded lateral deflections at the top of 0.3 mm for typical winds and 12.1 mm for extreme gusts

  15. Cold weather operating guidelines and experience for natural draft cooling towers on the American Electric Power system

    SciTech Connect (OSTI)

    Michell, F.L.; Drew, D.H. [American Electric Power Service, Corp., Columbus, OH (United States)

    1996-10-01

    American Electric Power`s more than 30 years of experience in operating natural draft cooling towers during freezing winter weather conditions is discussed in the paper. Design features incorporated into the specifications for major rebuild/repack projects for crossflow and counterflow towers to facilitate cold weather operation are also reviewed.

  16. J. Adv. Model. Earth Syst., Vol. 2, Art. #8, 19 pp. Adiabatic Rearrangement of Hollow PV Towers

    E-Print Network [OSTI]

    Schubert, Wayne H.

    J. Adv. Model. Earth Syst., Vol. 2, Art. #8, 19 pp. Adiabatic Rearrangement of Hollow PV Towers potential vorticity (PV). is structure has been referred to as a hollow PV tower. e sign reversal of the radial gradient of PV satis es the Charney-Stern necessary condition for combined barotropic

  17. Calculation of CO2 column heights in depleted gas fields from known pre-production gas column heights

    E-Print Network [OSTI]

    Wilkinson, Mark

    Calculation of CO2 column heights in depleted gas fields from known pre-production gas column that the CO2 is in a dense phase (either liquid or supercritical). Accurate assessment of the storage capacity also requires an estimation of the amount of CO2 that can be safely stored beneath the reservoir seal

  18. Optimizing Cooling Tower Performance Refrigeration Systems, Chemical Plants, and Power Plants All Have A Resource Quietly Awaiting Exploitation-Cold Water!! 

    E-Print Network [OSTI]

    Burger, R.

    1991-01-01

    Cooling towers, because of their seeming simplicity, are usually orphans of the facilities operation. We are all aware that cooling towers are the step-children of the chemical process plant, electric power generating station, and refrigeration...

  19. TheGoldenGateBridgeWeatherJuly2010,Vol.65,No.7 fog, but the north tower had a story to tell. It

    E-Print Network [OSTI]

    Reading, University of

    176 TheGoldenGateBridgeWeather­July2010,Vol.65,No.7 fog, but the north tower had a story to tell. It worked as a chimney. The fog entered and escaped through the openings of the tower, displaying iridescent colors and creating ever-changing and fast-moving fog shad- ows of the tower and the cables (Figure 2). I

  20. Building Height-Characteristics in Three U.S. Cities

    SciTech Connect (OSTI)

    Burian, S. J.; Brown, M. J.; Velugubantla, S. P.

    2002-01-01

    Urban canopy parameterizations have been used to represent urban effects in numerical models of mesoscale meteorology, the surface energy budget, and pollutant dispersion. The urban canopy parameterization accounts for the drag exerted by urban roughness elements, the enhancement of turbulent kinetic energy, and the alteration of the surface energy budget (Brown 2000). Accurate representation of urban effects in numerical simulations requires the determination of urban morphological parameters, including building height statistics. Computer analysis of 3-D building digital datasets can provide details of the urban environment in an efficient manner. Ratti ut al. (2001) describe a method for obtaining urban canopy parameters from digital imagery using image processing techniques, Burian et al. (2002) present an alternative analysis approach using a geographic information system (GIS). In this paper, building height statistics computed for three U.S. cities following the GIS approach are presented.

  1. Windsor Heights, Iowa: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEtGeorgia:Illinois: Energy ResourcesTurboPowerPortalHeights, Iowa: Energy

  2. Yorktown Heights, New York: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEtGeorgia:Illinois:WizardYates County, NewYorktown Heights, New York: Energy

  3. Harwood Heights, Illinois: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainableGlynnMassachusetts:Ohio: Energy Resources JumpHartsville,Harwood Heights,

  4. Hasbrouck Heights, New Jersey: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainableGlynnMassachusetts:Ohio: Energy ResourcesHasbrouck Heights, New Jersey:

  5. Garfield Heights, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainable UrbanKentucky: Energy Resources JumpGarfield Heights, Ohio: Energy

  6. Sewickley Heights, Pennsylvania: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-Enhancing Capacity for Low Emission DevelopmentLakes,Sewickley Heights, Pennsylvania:

  7. South Chicago Heights, Illinois: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-Enhancing Capacity forSiliciumEnergy IncAshburnham,BoundChicago Heights, Illinois:

  8. WATTS TOWERS: THE EFFECTS OF THERMAL CYCLES ON THE FORMATION AND BEHAVIOR OF CRACKS 

    E-Print Network [OSTI]

    Spencer, Matthew T

    2013-02-06

    of cracks located at different sections on the Towers was outfitted with strain gauges, force transducers, and thermocouples to collect data on the crack width as a function of the ambient temperature. Using the Finite Element Analysis program LS-DYNA, a...

  9. Aalborg Universitet Impact of Wind Shear and Tower Shadow Effects on Power System with Large Scale

    E-Print Network [OSTI]

    Hu, Weihao

    @et.aau.dk, csu@et.aau.dk, zch@et.aau.dk Abstract ­ Grid connected wind turbines are fluctuating power sources due and the power flow situation of the original power system especially when the integration of wind powerAalborg Universitet Impact of Wind Shear and Tower Shadow Effects on Power System with Large Scale

  10. 1 Problem Solving: How do you do it? Classic example is the Tower of Hanoi problem

    E-Print Network [OSTI]

    O'Reilly, Randall C.

    1 Problem Solving: How do you do it? Classic example is the Tower of Hanoi problem: Initial State state. 3 Problem Solving Heuristics Brute force search: explore entire problem space. Hill climbing away from the goal for a bit, it will eventually solve the problem. This is a problem for people too

  11. Conceptual Design of a 100 MWe Modular Molten Salt Power Tower Plant

    SciTech Connect (OSTI)

    James E. Pacheco; Carter Moursund, Dale Rogers, David Wasyluk

    2011-09-20

    A conceptual design of a 100 MWe modular molten salt solar power tower plant has been developed which can provide capacity factors in the range of 35 to 75%. Compared to single tower plants, the modular design provides a higher degree of flexibility in achieving the desired customer's capacity factor and is obtained simply by adjusting the number of standard modules. Each module consists of a standard size heliostat field and receiver system, hence reengineering and associated unacceptable performance uncertainties due to scaling are eliminated. The modular approach with multiple towers also improves plant availability. Heliostat field components, receivers and towers are shop assembled allowing for high quality and minimal field assembly. A centralized thermal-storage system stores hot salt from the receivers, allowing nearly continuous power production, independent of solar energy collection, and improved parity with the grid. A molten salt steam generator converts the stored thermal energy into steam, which powers a steam turbine generator to produce electricity. This paper describes the conceptual design of the plant, the advantages of modularity, expected performance, pathways to cost reductions, and environmental impact.

  12. ECON 162B -A0, A1 Kenny Christianson Fall 2010 office: Library Tower 1013

    E-Print Network [OSTI]

    Suzuki, Masatsugu

    ECON 162B - A0, A1 Kenny Christianson Fall 2010 office: Library Tower 1013 lecture A0: MWF 9, the stock market, and the role of the Federal Reserve in changing interest rates; the potential for double-dip recession and the rate of growth of GDP; inflation and deflation; the national debt and growing budget

  13. Impact of environmental concerns on cooling-tower design and operation

    SciTech Connect (OSTI)

    Hensley, J.C.

    1981-01-01

    New and sometimes unexpected environmental concerns surface from time to time, and each has its special effect on the selection, pricing, and operation of cooling towers. This paper discusses the following concerns, which are either current or are becoming significant: water conservation, energy conservation, noise, drift, blowdown, visual impact, and construction materials that are environmentally sensitive. 3 refs.

  14. Experimental optimization of cooling-tower-fan control based on field data. Master's thesis

    SciTech Connect (OSTI)

    Herman, D.L.

    1991-04-01

    Energy costs continue to play an important role in the decision-making process for building design and operation. Since the chiller, cooling tower fans, and associated pumps consume the largest fraction of energy in a heating, ventilating, and air-conditioning (HVAC) system, the control of these components is of major importance in determining building energy use. A significant control parameter for the chilled water system is the minimum entering condenser water set point temperature at which the cooling tower fans are cycled on and off, several studies have attempted to determine the optimum value for this minimum set point temperature, but direct measurements are not available to validate these studies. The purpose of this study was to experimentally determine the optimum minimum entering condenser water set point temperature from field data based on minimum energy consumption and to validate a chilled water system analytical model previously developed in earlier work. The total chiller system electrical consumption (chiller and cooling tower fan energy) was measured for four entering condensor water set point temperatures (70, 75, 80, and 85 deg F). The field results were compared to results obtained using an analytical model previously developed in a thesis entitled Optimized Design of a Commercial Building Chiller/Cooling Tower System, written by Joyce.

  15. Cooling Tower Operation in the Hot and Humid Climates of Arid Zones 

    E-Print Network [OSTI]

    Al-Bassam, E.; Maheshwari, G. P.; Sebzali, M.

    2000-01-01

    Air-conditioning (A/C) in Kuwait is a necessity for comfortable living as the summer is extremely hot. Dry weather for most of the summer months reflects the effectiveness of using water-cooled (WC) systems. Cooling towers (C/Ts) at a Ministry...

  16. A STUDY ON LEGIONELLA PNEUMOPHILA, WATER CHEMISTRY, AND ATMOSPHERIC CONDITIONS IN COOLING TOWERS AT THE SAVANNAH RIVER SITE

    SciTech Connect (OSTI)

    Smith, C.; Brigmon, R.

    2009-10-20

    Legionnaires disease is a pneumonia caused by the inhalation of the bacterium Legionella pneumophila. The majority of illnesses have been associated with cooling towers since these devices can harbor and disseminate the bacterium in the aerosolized mist generated by these systems. Historically, Savannah River Site (SRS) cooling towers have had occurrences of elevated levels of Legionella in all seasons of the year and in patterns that are difficult to predict. Since elevated Legionella in cooling tower water are a potential health concern a question has been raised as to the best control methodology. In this work we analyze available chemical, biological, and atmospheric data to determine the best method or key parameter for control. The SRS 4Q Industrial Hygiene Manual, 4Q-1203, 1 - G Cooling Tower Operation and the SRNL Legionella Sampling Program, states that 'Participation in the SRNL Legionella Sampling Program is MANDATORY for all operating cooling towers'. The resulting reports include L. pneumophila concentration information in cells/L. L. pneumophila concentrations >10{sup 7} cells/L are considered elevated and unsafe so action must be taken to reduce these densities. These remedial actions typically include increase biocide addition or 'shocking'. Sometimes additional actions are required if the problem persists including increase tower maintenance (e.g. cleaning). Evaluation of 14 SRS cooling towers, seven water quality parameters, and five Legionella serogroups over a three-plus year time frame demonstrated that cooling tower water Legionella densities varied widely though out this time period. In fact there was no one common consistent significant variable across all towers. The significant factors that did show up most frequently were related to suspended particulates, conductivity, pH, and dissolved oxygen, not chlorine or bromine as might be expected. Analyses of atmospheric data showed that there were more frequent significant elevated Legionella concentrations when the dew point temperature was high--a summertime occurrence. However, analysis of the three years of Legionella monitoring data of the 14 different SRS Cooling Towers demonstrated that elevated concentrations are observed at all temperatures and seasons. The objective of this study is to evaluate the ecology of L. pneumophila including serogroups and population densities, chemical, and atmospheric data, on cooling towers at SRS to determine whether relationships exist among water chemistry, and atmospheric conditions. The goal is to more fully understand the conditions which inhibit or encourage L. pneumophila growth and supply this data and associated recommendations to SRS Cooling Tower personnel for improved management of operation. Hopefully this information could then be used to help control L. pneumophila growth more effectively in SRS cooling tower water.

  17. Plant community composition and vegetation height, Barrow, Alaska, Ver. 1

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

    Sloan, Victoria; Norby, Richard; Siegrist, Julia; Iversen, Colleen; Brooks, Jonathan; Liebig, Jennifer; Wood, Sarah

    2014-04-25

    This dataset contains i) the results of field surveys of plant community composition and vegetation height made between 17th and 29th July 2012 in 48, 1 x 1 m plots located in areas A-D of Intensive Site 1 at the Next-Generation Ecosystem Experiments (NGEE) Arctic site near Barrow, Alaska and ii) results of a mapping exercise undertaken in August 2013 using two perpendicular transects across each polygon containing vegetation plots to determine the boundaries of vegetation communities described in 2012.

  18. Plant community composition and vegetation height, Barrow, Alaska, Ver. 1

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

    Sloan, Victoria; Norby, Richard; Siegrist, Julia; Iversen, Colleen; Brooks, Jonathan; Liebig, Jennifer; Wood, Sarah

    This dataset contains i) the results of field surveys of plant community composition and vegetation height made between 17th and 29th July 2012 in 48, 1 x 1 m plots located in areas A-D of Intensive Site 1 at the Next-Generation Ecosystem Experiments (NGEE) Arctic site near Barrow, Alaska and ii) results of a mapping exercise undertaken in August 2013 using two perpendicular transects across each polygon containing vegetation plots to determine the boundaries of vegetation communities described in 2012.

  19. Huber Heights, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View NewTexas: Energy Resources JumpNewTexas: Energy Resources Jump to:Huber Heights, Ohio: Energy

  20. Holiday Heights, New Jersey: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View NewTexas: Energy Resources JumpNew Jersey: Energy ResourcesHoboken,Holden, Maine:CityHeights,

  1. Glenn Heights, Texas: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainable UrbanKentucky:BoreOpenGilliamOhio: Energy Resources JumpGlenmont,Heights,

  2. Lincoln Heights, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View NewTexas:Montezuma, Arizona:Oregon: Energy Resources Jump to:Heights, Ohio: Energy Resources

  3. Island Heights, New Jersey: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View NewTexas: Energy ResourcesOrder at 8, 13RenewableIrem Geothermal PowerBioIselin,Heights, New

  4. Porter Heights, Texas: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPIProtectio1975) |Texas: EnergyOklahoma:Ewen, NewPortageHeights, Texas: Energy

  5. Property:Building/InteriorHeight | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPIProtectio1975)EnergyFloorAreaOffices Jump to:FloorAreaTotalInteriorHeight

  6. Olympia Heights, Florida: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI VenturesNewSt.Information Olinda Landfill GasIOlowalu-UkumehameHeights,

  7. Berlin Heights, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental JumpInformation BeaufortBent County,Benton,Berks County,Heights, Ohio: Energy

  8. Brooklyn Heights, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmentalBowerbank, Maine: EnergyEnergy Information Bronze Boot SpaNewNewHeights, Ohio:

  9. Cleveland Heights, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, Alabama (Utility Company) Jump to:NewMinnesota: Energy ResourcesIndia PvtHeights, Ohio:

  10. Alamo Heights, Texas: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowaWisconsin: Energy ResourcesAirAlamo Heights, Texas: Energy Resources Jump

  11. Property:GBIG/MinHeight | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to: navigation,Property EditMimeType JumpFuturePlans Jump to:City JumpMinHeight

  12. Energy Savings Accomplished by Replacing Steam Ejectors with Electric Driven Vacuum Pumps in Crude Distillation Vacuum Towers 

    E-Print Network [OSTI]

    Nelson, R. E.

    1982-01-01

    The low cost of steam combined with the maintenance free operation of steam ejectors has assured their unquestioned use in providing the necessary vacuum for crude distillation vacuum towers. However, the cost of steam production has risen...

  13. Effects of adding wash tower effluent to Ano Liossia landfill to enhance bioreaction c by Olympia Galenianou.

    E-Print Network [OSTI]

    Galenianou, Olympia

    2006-01-01

    A theoretical study was performed on the effects of adding sulfate-rich wash tower effluent from the Athens hospital waste incinerator to the Ano Liossia landfill of Athens. The method of mass balance was used to examine ...

  14. Evidence of a Threshold Wind Speed in Tower-mounted Scatterometer Data David W. Draper and David G. Long

    E-Print Network [OSTI]

    Long, David G.

    . Evidence of the threshold wind speed and a hysteresis effect have been observed in airship and wave tank in airship data [2]. YSCAT, an ultra-wideband (2-14 GHz) tower-mounted scat- terometer, provides significant

  15. Reliability Analysis of Cooling Towers: Influence of Rebars Corrosion on Failure

    SciTech Connect (OSTI)

    Sudret, Bruno [Electricite de France - EDF, Research and Development Division, Dpt of Materials and Mechanics of Components, Site des Renardieres, 77818 Moret-sur-Loing Cedex (France); Pendola, Maurice [PHI-MECA Engineering, 1 Allee Alan Turing, 63170 - Aubiere (France)

    2002-07-01

    Natural-draught cooling towers are used in nuclear power plants as heat exchangers. These structures are submitted to environmental loads such as wind and thermal gradients that are stochastic in nature. A probabilistic framework has been developed by EDF (Electricite de France) for assessing the durability of such structures. In this paper, the corrosion of the rebars due to concrete carbonation and the corresponding weakening of the reinforced concrete sections is considered. Due to the presence of time in the definition of the limit state function associated with the loss of serviceability of the cooling tower, time-variant reliability analysis has to be used. A novel approach is proposed to take into account the random 'initiation time', which corresponds to the time necessary for the carbonation to attain the rebars. Results are given in terms of the probability of failure of the structure over its life time. (authors)

  16. Design considerations for concentrating solar power tower systems employing molten salt.

    SciTech Connect (OSTI)

    Moore, Robert Charles; Siegel, Nathan Phillip; Kolb, Gregory J.; Vernon, Milton E.; Ho, Clifford Kuofei

    2010-09-01

    The Solar Two Project was a United States Department of Energy sponsored project operated from 1996 to 1999 to demonstrate the coupling of a solar power tower with a molten nitrate salt as a heat transfer media and for thermal storage. Over all, the Solar Two Project was very successful; however many operational challenges were encountered. In this work, the major problems encountered in operation of the Solar Two facility were evaluated and alternative technologies identified for use in a future solar power tower operating with a steam Rankine power cycle. Many of the major problems encountered can be addressed with new technologies that were not available a decade ago. These new technologies include better thermal insulation, analytical equipment, pumps and values specifically designed for molten nitrate salts, and gaskets resistant to thermal cycling and advanced equipment designs.

  17. The trigger and data acquisition for the NEMO-Phase 2 tower

    SciTech Connect (OSTI)

    Pellegrino, C.; Biagi, S.; Fusco, L. A.; Margiotta, A.; Spurio, M.; Chiarusi, T.; and others

    2014-11-18

    In the framework of the Phase 2 of the NEMO neutrino telescope project, a tower with 32 optical modules is being operated since march 2013. A new scalable Trigger and Data Acquisition System (TriDAS) has been developed and extensively tested with the data from this tower. Adopting the all-data-to-shore concept, the NEMO TriDAS is optimized to deal with a continuous data-stream from off-shore to on-shore with a large bandwidth. The TriDAS consists of four computing layers: (i) data aggregation of isochronal hits from all optical modules; (ii) data filtering by means of concurrent trigger algorithms; (iii) composition of the filtered events into post-trigger files; (iv) persistent data storage. The TriDAS implementation is reported together with a review of dedicated on-line monitoring tools.

  18. Proposal for the award of a contract for the construction of cooling-tower structures

    E-Print Network [OSTI]

    1999-01-01

    This document concerns the award of a contract for the construction of reinforced-concrete cooling-tower structures at LHC Point 1. Following a market survey carried out among 79 firms in 17 Member States, a call for tenders (IT-2710/ST/LHC) was sent on 13 August 1999 to eight firms and two consortia, both consisting of three firms, in eight Member States. By the closing date, CERN had received four tenders. The Finance Committee is invited to agree to the negotiation of a contract for the construction of reinforced-concrete cooling towers at LHC Point 1 with the consortium PAT (AT), BARESEL (DE) and ZSCHOKKE LOCHER (CH), the lowest bidder complying with the specification, for an amount of 3 393 493 Swiss francs, not subject to revision. The consortium has indicated the following distribution by country of the supply covered by this adjudication proposal: BE-60%, AT-18%, CH-11% and DE-11%.

  19. Proposal for the award of a contract for the upgrade of the SPS cooling towers

    E-Print Network [OSTI]

    2000-01-01

    This document concerns the award of a contract for the upgrade of the SPS cooling towers. Following a market survey carried out among 56 firms in sixteen Member States, a call for tenders (IT-2740/ST/SPS) was sent on 14 February 2000 to 10 firms in six Member States. By the closing date, CERN had received seven tenders from seven firms. The Finance Committee is invited to agree to the negotiation of a contract with SPIG (IT), the lowest bidder, for the upgrade of the SPS cooling towers, for an amount of 1 073 757 Swiss francs, not subject to revision. SPIG has indicated the following distribution by country of the contract value covered by this adjudication proposal: IT-73%; FI-24%; DE-3%.

  20. North York (Yonge Street) building outlines with heights, clutter data, DEM, contours and places

    E-Print Network [OSTI]

    Title: North York (Yonge Street) building outlines with heights, clutter data, DEM, contours heights, contours, building outlines, landmarks, points of interest Restrictions: Data is licensed for use@yorku.ca) Citation: RMSI. "[North York (Yonge Street) building outlines with heights, clutter data, DEM, contours

  1. A comparison of methods used to estimate the height of sand dunes on Mars

    E-Print Network [OSTI]

    Bourke, Mary C.

    A comparison of methods used to estimate the height of sand dunes on Mars M.C. Bourke a,b,, M bodies is difficult. We assess four methods that can be used to estimate the height of aeolian dunes of which were not previously available for dunes on Mars. They include dune height, width, length, surface

  2. Effect of Height (Fresnel Clearance) on Signal Strength and Throughput for

    E-Print Network [OSTI]

    Liblit, Ben

    Effect of Height (Fresnel Clearance) on Signal Strength and Throughput for Medium and Long Distance obstruction height · Ignoring Fresnel Clearance For 20Km long Wireless Link, Fresnel Clearance requires around, height 4 m at Q ensures 100% Fresnel Clearance On Physical Inspection: No LOS even at 8 meters Distance

  3. Comparison of MISR and MODIS cloud-top heights in the presence of cloud overlap

    E-Print Network [OSTI]

    Baum, Bryan A.

    Comparison of MISR and MODIS cloud-top heights in the presence of cloud overlap C.M. Naud a, , B July 2006; accepted 3 September 2006 Abstract Coincident MISR and MODIS cloud-top heights retrieved March 2000 and October 2003. The difference between MODIS and MISR cloud-top heights is assessed

  4. Thermodynamic modeling and optimization of a screw compressor chiller and cooling tower system 

    E-Print Network [OSTI]

    Graves, Rhett David

    2004-09-30

    , absorption, thermoelectric, and thermoacoustic (Gordon and Ng 1995). Chiller models have been used to predict the performance of thermal storage 6 systems (Henze et al. 1997) and whole chiller plant systems (Lau et al. 1985). Chiller models have also been... used to aid in the development of control algorithms for chiller plants (Flake et al. 1997). There have been several attempts to generate an ?optimal? operating scheme using the Whillier cooling tower model, a chiller model, or a combination of both...

  5. Workers Safely Tear Down Towers at Manhattan Project Site | Department of

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematics And Statistics » USAJobs SearchAMERICA'SEnergy Safely Tear Down Towers at Manhattan Project

  6. Economic evaluation of solar-only and hybrid power towers using molten salt technology

    SciTech Connect (OSTI)

    Kolb, G.J.

    1996-12-01

    Several hybrid and solar-only configurations for molten-salt power towers were evaluated with a simple economic model, appropriate for screening analysis. The solar specific aspects of these plants were highlighted. In general, hybrid power towers were shown to be economically superior to solar-only plants with the same field size. Furthermore, the power-booster hybrid approach was generally preferred over the fuel-saver hybrid approach. Using today`s power tower technology, economic viability for the solar power-boost occurs at fuel costs in the neighborhood of $2.60/MBtu to $4.40/ MBtu (low heating value) depending on whether coal-based or gas-turbine-based technology is being offset. The cost Of CO[sub 2] avoidance was also calculated for solar cases in which the fossil fuel cost was too low for solar to be economically viable. The avoidance costs are competitive with other proposed methods of removing CO[sub 2] from fossil-fired power plants.

  7. Molten Salt Power Tower Cost Model for the System Advisor Model (SAM)

    SciTech Connect (OSTI)

    Turchi, C. S.; Heath, G. A.

    2013-02-01

    This report describes a component-based cost model developed for molten-salt power tower solar power plants. The cost model was developed by the National Renewable Energy Laboratory (NREL), using data from several prior studies, including a contracted analysis from WorleyParsons Group, which is included herein as an Appendix. The WorleyParsons' analysis also estimated material composition and mass for the plant to facilitate a life cycle analysis of the molten salt power tower technology. Details of the life cycle assessment have been published elsewhere. The cost model provides a reference plant that interfaces with NREL's System Advisor Model or SAM. The reference plant assumes a nominal 100-MWe (net) power tower running with a nitrate salt heat transfer fluid (HTF). Thermal energy storage is provided by direct storage of the HTF in a two-tank system. The design assumes dry-cooling. The model includes a spreadsheet that interfaces with SAM via the Excel Exchange option in SAM. The spreadsheet allows users to estimate the costs of different-size plants and to take into account changes in commodity prices. This report and the accompanying Excel spreadsheet can be downloaded at https://sam.nrel.gov/cost.

  8. Genetic Determinants of Height Growth Assessed Longitudinally from Infancy to Adulthood in the Northern Finland Birth Cohort 1966

    E-Print Network [OSTI]

    Peltonen, Leena

    Recent genome-wide association (GWA) studies have identified dozens of common variants associated with adult height. However, it is unknown how these variants influence height growth during childhood. We derived peak height ...

  9. Indium Growth and Island Height Control on Si Submonolayer Phases

    SciTech Connect (OSTI)

    Chen, Jizhou

    2009-05-09

    Nanotechnology refers any technique that involves about object with nanoscale (10{sup -9} m) or even smaller. It has become more and more important in recently years and has changed our world dramatically. Most of modern electronic devices today should thanks to the miniaturizing driven by development of nanotechnology. Recent years, more and more governments are investing huge amount of money in research related to nanotechnology. There are two major reasons that nanostructure is so fascinate. The first one is the miniaturizing. It is obvious that if we can make products smaller without losing the features, we can save the cost and increase the performance dramatically. For an example, the first computer in the world, ENIAC, which occupied several rooms, is less powerful than the cheapest calculator today. Today's chips with sizes of less than half an inch contain millions of basic units. All these should thank to the development of nanotechnology. The other reason is that when we come to nanoscale, there are many new effects due to the quantum effect which can't be found in large systems. For an example, quantum dots (QDs) are systems which sizes are below 1{micro}m(10{sup -6}m) and restricted in three dimensions. There are many interesting quantum effects in QDs, including discrete energy levels, and interdot coupling. Due to these properties and their small sizes, QDs have varies potential applications such as quantum computing, probe, light emitting device, solar cells, and laser. To meet the requirement of the nanoelectrical applications, the QDs must be grown highly uniformly because their property is highly dependent on their sizes. The major methods to grow uniform QDs include epitaxial, and lithograph. Lithography is a process to make patterns on a thin film by selectively removing certain parts of the film. Using this method, people have good control over size, location and spacing of QDs. For an example, the Extreme ultraviolet lithography (EUVL) have a wave length of 13.4nm so it can curve on the surface of an sample to make structure as small as the order of 10nm. however, lithograph usually causes permanent damages to the surface and in many cases the QDs are damaged during the lithograph and therefore result in high percentage of defects. Quantum size effect has attracted more and more interests in surface science due to many of its effects. One of its effects is the height preference in film growing and the resulting possibility of uniformly sized self-assemble nanostructure. The experiment of Pb islands on In 4x1 phase shows that both the height and the width can be controlled by proper growth conditions, which expands the growth dimensions from 1 to 2. This discover leads us to study the In/Pb interface. In Ch.3, we found that the Pb islands growing on In 4x1-Si(111) surface which have uniform height due to QSE and uniform width due to the constriction of In 4x1 lattice have unexpected stability. These islands are stable in even RT, unlike usual nanostructures on Pb/Si surface which are stable only at low temperature. Since similar structures are usually grown at low temperature, this discovery makes the grown structures closer to technological applications. It also shows the unusual of In/Pb interface. Then we studied the In islands grown on Pb-{alpha}-{radical}3x{radical}3-Si(111) phase in Ch.4. These islands have fcc structure in the first few layers, and then convert to bct structure. The In fcc islands have sharp height preference due to QSE like Pb islands. However, the preferred height is different (7 layer for Pb on Si 7x7 and 4 layer for Pb on In 4x1), due to the difference of interface. The In islands structure prefers to be bct than fcc with coverage increase. It is quantitatively supported by first-principle calculation. Unexpectedly, the In islands grown on various of In interfaces didn't show QSE effects and phase transition from fcc and bct structures as on the Pb-{alpha} interface (Ch.6). In g(s) curve there is no clear oscillations in the g(s) curve as the In on Pb-{alpha} phase. This

  10. Optimizing Cooling Tower Performance- Refrigeration Systems, Chemical Plants, and Power Plants all Have A Resource Quietly Awaiting Exploitation-Cold Water!! 

    E-Print Network [OSTI]

    Burger, R.

    1990-01-01

    TOWER PERFORMANCE REFRIGERATION SYSTEMS, CHEMICAL PLANTS, AND POWER PLANTS ALL HAVE A RESOURCE QUIETLY AWAITING EXPLOITATION - COLD WATER!! ROBERT BURGER President Burger and Associates, Inc. Dallas, Texas Cooling towers, because... of their seeming simplicity, are usually orphans of the facilities operation. We are all aware that cooling towers are the step-children of the chemical process plant, electric power generating station, and refrigeration system. While engineers are pretty...

  11. Proposal for the Award of a Contract for the Civil Engineering Work on the Extensions to the Cooling Towers at LEP Points 2, 4, 6 and 8

    E-Print Network [OSTI]

    1991-01-01

    Proposal for the Award of a Contract for the Civil Engineering Work on the Extensions to the Cooling Towers at LEP Points 2, 4, 6 and 8

  12. Conceptual Design Gamma-Ray Large Area Space Telescope (GLAST) Tower Structure

    SciTech Connect (OSTI)

    Jennings, Chad

    2002-07-18

    The main objective of this work was to develop a conceptual design and engineering prototype for the Gamma-ray Large Area Space Telescope (GLAST) tower structure. This thesis describes the conceptual design of a GLAST tower and the fabrication and testing of a prototype tower tray. The requirements were that the structure had to support GLAST's delicate silicon strip detector array through ground handling, launch and in orbit operations as well as provide for thermal and electrical pathways. From the desired function and the given launch vehicle for the spacecraft that carries the GLAST detector, an efficient structure was designed which met the requirements. This thesis developed in three stages: design, fabrication, and testing. During the first stage, a general set of specifications was used to develop the initial design, which was then analyzed and shown to meet or exceed the requirements. The second stage called for the fabrication of prototypes to prove manufacturability and gauge cost and time estimates for the total project. The last step called for testing the prototypes to show that they performed as the analysis had shown and prove that the design met the requirements. As a spacecraft engineering exercise, this project required formulating a solution based on engineering judgment, analyzing the solution using advanced engineering techniques, then proving the validity of the design and analysis by the manufacturing and testing of prototypes. The design described here met all the requirements set out by the needs of the experiment and operating concerns. This strawman design is not intended to be the complete or final design for the GLAST instrument structure, but instead examines some of the main challenges involved and demonstrates that there are solutions to them. The purpose of these tests was to prove that there are solutions to the basic mechanical, electrical and thermal problems presented with the GLAST project.

  13. High temperature performance of high-efficiency, multi-layer solar selective coatings for tower applications

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

    Gray, M. H.; Tirawat, R.; Kessinger, K. A.; Ndione, P. F.

    2015-05-01

    The roadmap to next-generation concentrating solar power plants anticipates a progression to central towers with operating temperatures in excess of 650°C. These higher temperatures are required to drive higher power-cycle efficiencies, resulting in lower cost energy. However, these conditions also place a greater burden on the materials making up the receiver. Any novel absorber material developed for next-generation receivers must be stable in air, cost effective, and survive thousands of heating and cooling cycles. The collection efficiency of a power tower plant can be increased if the energy absorbed by the receiver is maximized while the heat loss from themore »receiver to the environment is minimized. Thermal radiation losses can be significant (>7% annual energy loss) with receivers at temperatures above 650°C. We present progress toward highly efficient and durable solar selective absorbers (SSAs) intended for operating temperatures from 650°C to 1000°C. Selective efficiency (?sel) is defined as the energy retained by the absorber, accounting for both absorptance and emittance, relative to the energy incident on the surface. The low emittance layers of multilayer SSAs are binary compounds of refractory metals whose material properties indicate that coatings formed of these materials should be oxidation resistant in air to 800-1200°C. On this basis, we initially developed a solar selective coating for parabolic troughs. This development has been successfully extended to meet the absorptance and emittance objectives for the more demanding, high temperature regime. We show advancement in coating materials, processing and designs resulting in the initial attainment of target efficiencies ?sel > 0.91 for proposed tower conditions. Additionally, spectral measurements show that these coatings continue to perform at targeted levels after cycling to temperatures of 1000°C in environments of nitrogen and forming gas.« less

  14. High temperature performance of high-efficiency, multi-layer solar selective coatings for tower applications

    SciTech Connect (OSTI)

    Gray, M. H.; Tirawat, R.; Kessinger, K. A.; Ndione, P. F.

    2015-05-01

    The roadmap to next-generation concentrating solar power plants anticipates a progression to central towers with operating temperatures in excess of 650°C. These higher temperatures are required to drive higher power-cycle efficiencies, resulting in lower cost energy. However, these conditions also place a greater burden on the materials making up the receiver. Any novel absorber material developed for next-generation receivers must be stable in air, cost effective, and survive thousands of heating and cooling cycles. The collection efficiency of a power tower plant can be increased if the energy absorbed by the receiver is maximized while the heat loss from the receiver to the environment is minimized. Thermal radiation losses can be significant (>7% annual energy loss) with receivers at temperatures above 650°C. We present progress toward highly efficient and durable solar selective absorbers (SSAs) intended for operating temperatures from 650°C to 1000°C. Selective efficiency (?sel) is defined as the energy retained by the absorber, accounting for both absorptance and emittance, relative to the energy incident on the surface. The low emittance layers of multilayer SSAs are binary compounds of refractory metals whose material properties indicate that coatings formed of these materials should be oxidation resistant in air to 800-1200°C. On this basis, we initially developed a solar selective coating for parabolic troughs. This development has been successfully extended to meet the absorptance and emittance objectives for the more demanding, high temperature regime. We show advancement in coating materials, processing and designs resulting in the initial attainment of target efficiencies ?sel > 0.91 for proposed tower conditions. Additionally, spectral measurements show that these coatings continue to perform at targeted levels after cycling to temperatures of 1000°C in environments of nitrogen and forming gas.

  15. Property:CoolingTowerWaterUseSummerGross | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsourceIIInformationEnergyReportNumber JumpConferenceCoolingTowerWaterUseSummerGross

  16. Property:CoolingTowerWaterUseWinterGross | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsourceIIInformationEnergyReportNumberCoolingTowerWaterUseWinterGross Jump to:

  17. From: No Towers To: Congestion Study Comments Subject: No NIETC"s

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum12, 2015ExecutiveFluorescentDan O"Hagan To:JMulveny,No Towers To: Congestion

  18. Dynamics and Stability of Thermal Flying-height Control Sliders in Hard Disk Drives

    E-Print Network [OSTI]

    Zheng, Jinglin

    2012-01-01

    Height Control Sliders in Lubricant or Solid Contact withmolecularly thin liquid lubricant films on slider hysteresisC. M. Mate, et al. , "Lubricant-Induced Spacing Increases at

  19. Height, adiposity and body fat distribution and breast density in young women

    E-Print Network [OSTI]

    2012-01-01

    Longitudinal association of anthropometry with mammographicwere measured by anthropometry and dual-energy X- rayor poor positioning. Anthropometry Breast density Height was

  20. An evaluation of possible next-generation high temperature molten-salt power towers.

    SciTech Connect (OSTI)

    Kolb, Gregory J.

    2011-12-01

    Since completion of the Solar Two molten-salt power tower demonstration in 1999, the solar industry has been developing initial commercial-scale projects that are 3 to 14 times larger. Like Solar Two, these initial plants will power subcritical steam-Rankine cycles using molten salt with a temperature of 565 C. The main question explored in this study is whether there is significant economic benefit to develop future molten-salt plants that operate at a higher receiver outlet temperature. Higher temperatures would allow the use of supercritical steam cycles that achieve an improved efficiency relative to today's subcritical cycle ({approx}50% versus {approx}42%). The levelized cost of electricity (LCOE) of a 565 C subcritical baseline plant was compared with possible future-generation plants that operate at 600 or 650 C. The analysis suggests that {approx}8% reduction in LCOE can be expected by raising salt temperature to 650 C. However, most of that benefit can be achieved by raising the temperature to only 600 C. Several other important insights regarding possible next-generation power towers were also drawn: (1) the evaluation of receiver-tube materials that are capable of higher fluxes and temperatures, (2) suggested plant reliability improvements based on a detailed evaluation of the Solar Two experience, and (3) a thorough evaluation of analysis uncertainties.

  1. Comparison of Triton SODAR Data to Meteorological Tower Wind Measurement Data in Hebei Province, China

    SciTech Connect (OSTI)

    Yuechun, Y.; Jixue, W.; Hongfang, W.; Guimin, L.; Bolin, Y.; Scott, G.; Elliott, D.; Kline, D.

    2012-01-01

    With the increased interest in remote sensing of wind information in recent years, it is important to determine the reliability and accuracy of new wind measurement technologies if they are to replace or supplement conventional tower-based measurements. In view of this, HydroChina Corporation and the United States National Renewable Energy Laboratory (NREL) conducted a comparative test near a wind farm in Hebei Province, China. We present the results of an analysis characterizing the measurement performance of a state-of-the-art Sound Detection and Ranging (sodar) device when compared to a traditional tower measurement program. NREL performed the initial analysis of a three-month period and sent the results to HydroChina. When another month of data became available, HydroChina and their consultant Beijing Millenium Engineering Software (MLN) repeated NREL's analysis on the complete data set, also adding sensitivity analysis for temperature, humidity, and wind speed (Section 6). This report presents the results of HydroChina's final analysis of the four-month period.

  2. 3D electroplated microstructures fabricated by a novel height control method

    E-Print Network [OSTI]

    Lin, Liwei

    is coated and patterned to open the designated areas for electroplating. Nickel electroplating is performed3D electroplated microstructures fabricated by a novel height control method L.-W. Pan, P. Yuen, L. Lin Abstract A 3D electroplating process by means of pixel- wise, step height control of selective

  3. Global Moderate Resolution Imaging Spectroradiometer (MODIS) cloud detection and height evaluation using CALIOP

    E-Print Network [OSTI]

    Sheridan, Jennifer

    Global Moderate Resolution Imaging Spectroradiometer (MODIS) cloud detection and height evaluation Spectroradiometer (MODIS) cloud detection and height evaluation using CALIOP, J. Geophys. Res., 113, D00A19, doi:10] with plans to continue the cloud record using the next generation of polar orbiting sensors. A ``Climate

  4. Downtown Toronto building outlines with heights, clutter data, DEM, contours and places

    E-Print Network [OSTI]

    Title: Downtown Toronto building outlines with heights, clutter data, DEM, contours and places Data, building outlines, landmarks, points of interest Restrictions: Data is licensed for use of York University. "[Downtown Toronto building outlines with heights, clutter data, DEM, contours and places]" [electronic

  5. A comparison of computational and experimental lift-off heights of coflow laminar diffusion flames

    E-Print Network [OSTI]

    Long, Marshall B.

    A comparison of computational and experimental lift-off heights of coflow laminar diffusion flames*), and excited-state OH (denoted OH*) are imaged in coflow laminar diffusion flames. Measurements are made both was performed, which indicates that the lift-off height is sensitive to the laminar flame speed

  6. DC's Marble ceiling : urban height and its regulation in Washington, DC

    E-Print Network [OSTI]

    Trueblood, Andrew Tyson

    2009-01-01

    Washington, DC has a unique urban form that is the result of a century-old law. Through the narrow lens of DC's height limit, I survey a range of topics related to urban height, starting with a review of its history of ...

  7. Microscopic Description of Nuclear Fission: Fission Barrier Heights of Even-Even Actinides

    E-Print Network [OSTI]

    J. McDonnell; N. Schunck; W. Nazarewicz

    2013-01-31

    We evaluate the performance of modern nuclear energy density functionals for predicting inner and outer fission barrier heights and energies of fission isomers of even-even actinides. For isomer energies and outer barrier heights, we find that the self-consistent theory at the HFB level is capable of providing quantitative agreement with empirical data.

  8. Amplification of Tsunami Heights by Delayed Rupture of Great Earthquakes along the Nankai Trough

    E-Print Network [OSTI]

    Furumura, Takashi

    Amplification of Tsunami Heights by Delayed Rupture of Great Earthquakes along the Nankai Trough of delayed rupture of great earthquakes along the Nankai trough on tsunami heights on the Japanese coast. As the tsunami source, we used a model of the 1707 Hoei earthquake, which consists of four segments: Tokai

  9. Systems and methods that generate height map models for efficient three dimensional reconstruction from depth information

    DOE Patents [OSTI]

    Frahm, Jan-Michael; Pollefeys, Marc Andre Leon; Gallup, David Robert

    2015-12-08

    Methods of generating a three dimensional representation of an object in a reference plane from a depth map including distances from a reference point to pixels in an image of the object taken from a reference point. Weights are assigned to respective voxels in a three dimensional grid along rays extending from the reference point through the pixels in the image based on the distances in the depth map from the reference point to the respective pixels, and a height map including an array of height values in the reference plane is formed based on the assigned weights. An n-layer height map may be constructed by generating a probabilistic occupancy grid for the voxels and forming an n-dimensional height map comprising an array of layer height values in the reference plane based on the probabilistic occupancy grid.

  10. A multi-site analysis of random error2 in tower-based measurements of carbon and energy fluxes3

    E-Print Network [OSTI]

    Forest Service, 271 Mast Road, Durham, NH 03824 USA.25 #12;RANDOM ERRORS IN ENERGY AND CO2 FLUX1 A multi-site analysis of random error2 in tower-based measurements of carbon and energy fluxes3 4 Forest Service, 271 Mast Road, Durham, NH 03824, USA.11 3 LI-COR Biosciences, Inc., 4421 Superior Street

  11. Constraints on Carbon Monoxide Emissions Based on Tall Tower Measurements in the U.S. Upper Midwest

    E-Print Network [OSTI]

    Minnesota, University of

    Constraints on Carbon Monoxide Emissions Based on Tall Tower Measurements in the U.S. Upper Midwest-up emission estimates in response to top-down constraints. 1. INTRODUCTION Carbon monoxide (CO) is a precursor is emitted during the combustion of biomass and fossil fuel and produced photochemically from the oxidation

  12. Long term monitoring of the optical background in the Capo Passero deep-sea site with the NEMO tower prototype

    E-Print Network [OSTI]

    Adrián-Martínez, S; Ameli, F; Anghinolfi, M; Ardid, M; Barbarino, G; Barbarito, E; Barbato, F C T; Beverini, N; Biagi, S; Biagioni, A; Bouhadef, B; Bozza, C; Cacopardo, G; Calamai, M; Calí, C; Calvo, D; Capone, A; Caruso, F; Ceres, A; Chiarusi, T; Circella, M; Cocimano, R; Coniglione, R; Costa, M; Cuttone, G; D'Amato, C; D'Amico, A; De Bonis, G; De Luca, V; Deniskina, N; De Rosa, G; di Capua, F; Distefano, C; Enzenhöfer, A; Fermani, P; Ferrara, G; Flaminio, V; Fusco, L A; Garufi, F; Giordano, V; Gmerk, A; Grasso, R; Grella, G; Hugon, C; Imbesi, M; Kulikovskiy, V; Lahmann, R; Larosa, G; Lattuada, D; Leismüller, K P; Leonora, E; Litrico, P; Alvarez, C D Llorens; Lonardo, A; Longhitano, F; Presti, D Lo; Maccioni, E; Margiotta, A; Marinelli, A; Martini, A; Masullo, R; Migliozzi, P; Migneco, E; Miraglia, A; Mollo, C M; Mongelli, M; Morganti, M; Musico, P; Musumeci, M; Nicolau, C A; Orlando, A; Orzelli, A; Papaleo, R; Pellegrino, C; Pellegriti, M G; Perrina, C; Piattelli, P; Pugliatti, C; Pulvirenti, S; Raffaelli, F; Randazzo, N; Real, D; Riccobene, G; Rovelli, A; Saldaña, M; Sanguineti, M; Sapienza, P; Sciacca, V; Sgura, I; Simeone, F; Sipala, V; Speziale, F; Spitaleri, A; Spurio, M; Stellacci, S M; Taiuti, M; Terreni, G; Trasatti, L; Trovato, A; Ventura, C; Vicini, P; Viola, S; Vivolo, D

    2015-01-01

    The NEMO Phase-2 tower is the first detector which was operated underwater for more than one year at the "record" depth of 3500 m. It was designed and built within the framework of the NEMO (NEutrino Mediterranean Observatory) project. The 380 m high tower was successfully installed in March 2013 80 km offshore Capo Passero (Italy). This is the first prototype operated on the site where the italian node of the KM3NeT neutrino telescope will be built. The installation and operation of the NEMO Phase-2 tower has proven the functionality of the infrastructure and the operability at 3500 m depth. A more than one year long monitoring of the deep water characteristics of the site has been also provided. In this paper the infrastructure and the tower structure and instrumentation are described. The results of long term optical background measurements are presented. The rates show stable and low baseline values, compatible with the contribution of 40K light emission, with a small percentage of light bursts due to bio...

  13. Environmental assessment of air quality, noise and cooling tower drift from the Jersey City Total Energy Demonstration

    SciTech Connect (OSTI)

    Davis, W.T.; Kolb, J.O.

    1980-06-01

    This assessment covers three specific effects from the operation of the Total Energy (TE) demonstration: (1) air quality from combustion emissions of 600 kW diesel engines and auxiliary boilers fueled with No. 2 distillate oil, (2) noise levels from TE equipment operation, (3) cooling tower drift from two, 2220 gpm, forced-draft cooling towers. For the air quality study, measurements were performed to determine both the combustion emission rates and ground-level air quality at the Demonstration site. Stack analysis of NO/sub x/, SO/sub 2/, CO, particulates, and total hydrocarbons characterized emission rates over a range of operating conditions. Ground-level air quality was monitored during two six-week periods during the summer and winter of 1977. The noise study was performed by measuring sound levels in db(A) in the area within approximately 60 m of the CEB. The noise survey investigated the effects on noise distribution of different wind conditions, time of day or night, and condition of doors - open or closed - near the diesel engines in the CEB. In the cooling tower study, drift emission characteristics were measured to quantify the drift emission before and after cleaning of the tower internals to reduce fallout of large drift droplets in the vicinity of the CEB.

  14. APS Forum on Education Fall 2008 Newsletter Page 22 Away from the ivory tower: Real challenges teaching high

    E-Print Network [OSTI]

    Steinberg, Richard N.

    #12;APS Forum on Education Fall 2008 Newsletter Page 22 Away from the ivory tower: Real challenges teaching high school physics in an urban environment Richard Steinberg For the 2007-08 school year, I took a sabbatical and became a full time high school physics teacher in a public high

  15. The Torrioni di Rialba (Abbadia Lariana -LC, Italy) is a rock tower-like conglomerate divided by a system of

    E-Print Network [OSTI]

    Alippi, Cesare

    is a hybrid wireless-wired sensor network that inspects the insurgence of micro-cracks within the rock (mems is composed by a Wireless Sensor Network (WSN) that measures changes in the structure of the tower of the sensor networks hence reducing the need of in-situ maintenance. All modules composing the monitoring

  16. Restoration and repair of 30-year old cooling towers at the Paducah Gaseous Diffusion Plant, Phase I. Draft 1

    SciTech Connect (OSTI)

    Shelton, M.F.

    1985-01-01

    Early in 1980, a comprehensive reliability study was made to ascertain the ability of the present 30-year old recirculating water system to meet the anticipated load demand through the year 2000. The findings and recommendations of this study were used as a guide to schedule uprating and repairs. This paper deals with the underground distribution system and cooling tower repairs.

  17. Fuzzy Logic Application for Optimization of the Cooling Towers Control System

    E-Print Network [OSTI]

    Blanc, D

    2000-01-01

    The control system for the SPS-BA6 cooling towers station is considered in order to introduce the concept of a multivariable process. Multivariable control means the maintenace of several controlled variables at independent set points. In a single-variable system, to keep the single process variables within their critical values is considered a rather simple operation. In a complex multivariable system, the determination of the optimal operation point results in a combination of all set values of the variables. Control of a multivariable system requires therefore a more complex analysis. As the solution based on a mathematical model of the process is far beyond acceptable complexity, most mathematical models involve extensive simplifications and linearizations to optimize the resulting controllers. In this report the author will demonstrate how fuzzy logic might provide elegant and efficient solutions in the design of multivariable control based on experimental results rather than on mathematical models.

  18. Utility-Scale Power Tower Solar Systems: Performance Acceptance Test Guidelines

    SciTech Connect (OSTI)

    Kearney, D.

    2013-03-01

    The purpose of these Guidelines is to provide direction for conducting performance acceptance testing for large power tower solar systems that can yield results of a high level of accuracy consistent with good engineering knowledge and practice. The recommendations have been developed under a National Renewable Energy Laboratory (NREL) subcontract and reviewed by stakeholders representing concerned organizations and interests throughout the concentrating solar power (CSP) community. An earlier NREL report provided similar guidelines for parabolic trough systems. These Guidelines recommend certain methods, instrumentation, equipment operating requirements, and calculation methods. When tests are run in accordance with these Guidelines, we expect that the test results will yield a valid indication of the actual performance of the tested equipment. But these are only recommendations--to be carefully considered by the contractual parties involved in the Acceptance Tests--and we expect that modifications may be required to fit the particular characteristics of a specific project.

  19. Power plant site evaluation, Brandon Shores Site. Volume 3: fogging potential for revised cooling tower structures - addendum to PPSE 1-2

    SciTech Connect (OSTI)

    Yoshioka, G.A.; Davis, E.A.

    1982-08-01

    Brandon Shores Units 1 and 2, currently under construction by Baltimore Gas and Electric Company (BG and E), were originally to have had multi-cell rectangular banks of wet/dry cooling towers. BG and E recently proposed that the Unit 2 cooling tower design be changed to a circular configuration. The Johns Hopkins University, Applied Physics Laboratory has undertaken to analyze the potential for the Brandon Shores Unit 1 tower (with dry section eliminated) to produce fog at Fort Smallwood Road. Pessimistic assumptions have been made, and a low frequency of expected fogging on the road has been demonstrated in spite of these assumptions.

  20. Extending the utility of machine based height sensors to spatially monitor cotton growth 

    E-Print Network [OSTI]

    Geiger, David William

    2004-09-30

    The recommended procedures for implementing COTMAN; a cotton management expert system; suggest frequent crop scouting at numerous locations for each field. Machine based height sensors coupled with the ability to spatially ...

  1. Real-time variable rate Pix® application system using a plant height sensor 

    E-Print Network [OSTI]

    Beck, Andy Dwayne

    2001-01-01

    . A cotton growth regulator (Pix) was applied at uniform and biomass-based variable rates in a replicated study that included two cotton fields. Plant mapping data was collected during the season. Plant heights were significantly shorter in areas...

  2. (lOpts) 1. An inverted conical tank whose diameter is 8 In and height ...

    E-Print Network [OSTI]

    (lOpts) 1. An inverted conical tank whose diameter is 8 In and height 10 n1 contains crude oil that is leaking out the bottom at a rate of 5 m3 / hr. How fast is the ...

  3. ARM: ARSCL: cloud base height from first Clothiaux algorithms on Vaisala or Belfort ceilometers, Micropulse lidar, and MMCR

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

    Karen Johnson; Michael Jensen

    ARSCL: cloud base height from first Clothiaux algorithms on Vaisala or Belfort ceilometers, Micropulse lidar, and MMCR

  4. A comparison of cloud top heights computed from airborne lidar and MAS radiance data using CO2 slicing

    E-Print Network [OSTI]

    Baum, Bryan A.

    A comparison of cloud top heights computed from airborne lidar and MAS radiance data using CO2]. Other studies have compared CO2- slicing cloud heights with those computed from lidar data [Smith in assessing the accuracy of the CO2-slicing cloud height algorithm. Infrared measurements of upwelling

  5. 23.11.2014bo Akademi Univ -Thermal and Flow Engineering Piispankatu 8, 20500 Turku 1/36 7. Air conditioning, cooling towers

    E-Print Network [OSTI]

    Zevenhoven, Ron

    23.11.2014Åbo Akademi Univ - Thermal and Flow Engineering Piispankatu 8, 20500 Turku 1/36 7. Air conditioning, cooling towers Ron Zevenhoven Åbo Akademi University Thermal and Flow Engineering Laboratory

  6. Session: What have studies of communications towers suggested regarding the impact of guy wires and lights on birds and bats

    SciTech Connect (OSTI)

    Kerlinger, Paul

    2004-09-01

    This session at the Wind Energy and Birds/Bats workshop consisted of one presentation followed by a discussion/question and answer period. The paper ''Wind turbines and Avian Risk: Lessons from Communications Towers'' was given by Paul Kerlinger. The presenter outlined lessons that have been learned from research on communications (not cell) towers and about the impacts of guy wires and lights on birds and bats and how they could be useful to wind energy developers. The paper also provided specific information about a large 'fatality' event that occurred at the Mountaineer, WC wind energy site in May 2003, and a table of Night Migrant Carcass search findings for various wind sites in the US.

  7. ARRA FEMP Technical Assistance -- Federal Aviation Administration Project 209 -- Control Tower and Support Building, Palm Springs, CA

    SciTech Connect (OSTI)

    Arends, J.; Sandusky, William F.

    2010-03-31

    This report represents findings of a design review team that evaluated construction documents (at the 100% level) and operating specifications for a new control tower and support building that will be built in Palm Springs, California by the Federal Aviation Administration (FAA). The focus of the review was to identify measures that could be incorporated into the final design and operating specifications that would result in additional energy savings for the FAA that would not have otherwise occurred.

  8. Structural Design Considerations for Tubular Power Tower Receivers Operating at 650 Degrees C: Preprint

    SciTech Connect (OSTI)

    Neises, T. W.; Wagner, M. J.; Gray, A. K.

    2014-04-01

    Research of advanced power cycles has shown supercritical carbon dioxide power cycles may have thermal efficiency benefits relative to steam cycles at temperatures around 500 - 700 degrees C. To realize these benefits for CSP, it is necessary to increase the maximum outlet temperature of current tower designs. Research at NREL is investigating a concept that uses high-pressure supercritical carbon dioxide as the heat transfer fluid to achieve a 650 degrees C receiver outlet temperature. At these operating conditions, creep becomes an important factor in the design of a tubular receiver and contemporary design assumptions for both solar and traditional boiler applications must be revisited and revised. This paper discusses lessons learned for high-pressure, high-temperature tubular receiver design. An analysis of a simplified receiver tube is discussed, and the results show the limiting stress mechanisms in the tube and the impact on the maximum allowable flux as design parameters vary. Results of this preliminary analysis indicate an underlying trade-off between tube thickness and the maximum allowable flux on the tube. Future work will expand the scope of design variables considered and attempt to optimize the design based on cost and performance metrics.

  9. Results From The Two-tower Run Of The Cryogenic Dark Matter Search

    E-Print Network [OSTI]

    Reisetter, A J

    2005-01-01

    The Cryogenic Dark Matter Search has completed two runs at the Soudan Underground Laboratory In the second, two towers of detectors were operated from March to August 2004. CDMS used Ge and Si ZIP (Z-sensitive, Ionization, and Phonon) detectors, operated at 50mK, to look for Weakly Interacting Massive Particles (WIMPS) which may make up most of the dark matter in our universe. These detectors are surrounded by lead and polyethylene shielding as well as an active muon veto. These shields, as well as the overburden of Soudan rock, provide a low background environment for the detectors. The ZIP detectors record the ratio of ionization signal to phonon signal to discriminate between nuclear recoils, characteristic of WIMPS and neutrons, and electron recoils, characteristic of gamma and beta backgrounds. They also provide timing information from the four phonon channels that is used to reject surface events, for which ionization collection is poor. A blind analysis, defined using calibration data taken in situ thr...

  10. Flux Measurements of Volatile Organic Compounds from an Urban Tower Platform 

    E-Print Network [OSTI]

    Park, Chang Hyoun

    2011-08-08

    tall platform must be found that does not influence the wind itself while allowing a measurement setup. The system should be located at minimally twice the urban canopy height and ideally higher to avoid the urban roughness layer (Roth, 2000... of an urban area, we used the median isoprene flux to compare with the isoprene model 8 result. As in other studies, we used the normalization condition of 30?C of leaf temperature and 1000 ?mol m-2 s-1 of PAR to determine basal emission rate (on...

  11. Incorporating supercritical steam turbines into molten-salt power tower plants : feasibility and performance.

    SciTech Connect (OSTI)

    Pacheco, James Edward; Wolf, Thorsten; Muley, Nishant

    2013-03-01

    Sandia National Laboratories and Siemens Energy, Inc., examined 14 different subcritical and supercritical steam cycles to determine if it is feasible to configure a molten-salt supercritical steam plant that has a capacity in the range of 150 to 200 MWe. The effects of main steam pressure and temperature, final feedwater temperature, and hot salt and cold salt return temperatures were determined on gross and half-net efficiencies. The main steam pressures ranged from 120 bar-a (subcritical) to 260 bar-a (supercritical). Hot salt temperatures of 566 and 600%C2%B0C were evaluated, which resulted in main steam temperatures of 553 and 580%C2%B0C, respectively. Also, the effects of final feedwater temperature (between 260 and 320%C2%B0C) were evaluated, which impacted the cold salt return temperature. The annual energy production and levelized cost of energy (LCOE) were calculated using the System Advisory Model on 165 MWe subcritical plants (baseline and advanced) and the most promising supercritical plants. It was concluded that the supercritical steam plants produced more annual energy than the baseline subcritical steam plant for the same-size heliostat field, receiver, and thermal storage system. Two supercritical steam plants had the highest annual performance and had nearly the same LCOE. Both operated at 230 bar-a main steam pressure. One was designed for a hot salt temperature of 600%C2%B0C and the other 565%C2%B0C. The LCOEs for these plants were about 10% lower than the baseline subcritical plant operating at 120 bar-a main steam pressure and a hot salt temperature of 565%C2%B0C. Based on the results of this study, it appears economically and technically feasible to incorporate supercritical steam turbines in molten-salt power tower plants.

  12. Technology to Facilitate the Use of Impaired Waters in Cooling Towers

    SciTech Connect (OSTI)

    Colborn, Robert

    2012-04-30

    The project goal was to develop an effective silica removal technology and couple that with existing electro-dialysis reversal (EDR) technology to achieve a cost effective treatment for impaired waters to allow for their use in the cooling towers of coal fired power plants. A quantitative target of the program was a 50% reduction in the fresh water withdrawal at a levelized cost of water of $3.90/Kgal. Over the course of the program, a new molybdenum-modified alumina was developed that significantly outperforms existing alumina materials in silica removal both kinetically and thermodynamically. The Langmuir capacity is 0.11g silica/g adsorbent. Moreover, a low cost recycle/regeneration process was discovered to allow for multiple recycles with minimal loss in activity. On the lab scale, five runs were carried out with no drop in performance between the second and fifth run in ability to absorb the silica from water. The Mo-modified alumina was successfully prepared on a multiple kilogram scale and a bench scale model column was used to remove 100 ppm of silica from 400 liters of simulated impaired water. Significant water savings would result from such a process and the regeneration process could be further optimized to reduce water requirements. Current barriers to implementation are the base cost of the adsorbent material and the fine powder form that would lead to back pressure on a large column. If mesoporous materials become more commonly used in other areas and the price drops from volume and process improvements, then our material would also lower in price because the amount of molybdenum needed is low and no additional processing is required. There may well be engineering solutions to the fine powder issue; in a simple concept experiment, we were able to pelletize our material with Boehmite, but lost performance due to a dramatic decrease in surface area.

  13. Towering oak, the sun - porch house winner of the ''1982 German research award''

    SciTech Connect (OSTI)

    Berndt, G.W.P.

    1983-12-01

    The design for this energy-efficient house was developed to suit a benign climate with much rain, wind, and fog. The building's basic construction guarantees the most limited energy-use possible. This is achieved through a unique houseform, which encloses and warms the living spaces with a thick thermal coat: walls = 6'' semi-rigid glass fiber boards, R-19; roof = 10'' foil faced fiber glass, R = 30. Windows are located only on the south side, to ensure optimal sun-ray capture. The housefront consists of a ''sun-porch'' (Sonnenhof), which is a further development of the well-known German ''Wintergarten'' (winter garden). In this climate region, one can only expect a yearly average of five days with a summer temperature of over 25/sup 0/C (77/sup 0/F); however, with a ''sun-porch'' the summer can make itself at home. In winter, the ''sun-porch'' protects against storms and always offers temperatures above the 7/sup 0/C (45/sup 0/F) minimum, a product of the compact roof and double glass with selective coating. On sunny winter days, one may even dine on the balconies. The estimation technique represented here is based on a procedure devised at the Los Alamos Scientific Laboratory, New Mexico, (Passive Solar Handbook, Vol. 2, J.D. Balcomb). ''Towering Oak's'' solar savings fraction = 49.0%; heating load = 2.56 BTU/sq. ft. Better results have yet to be achieved in Germany. In the USA, this could be increased to a solar fraction of up to 90%. Some modifications would, however, be necessary to suit the local climate (sun control devices, etc.).

  14. The Cryogenic Dark Matter Search: First 5-Tower Data and Improved Understanding of Ionization Collection

    SciTech Connect (OSTI)

    Bailey, Catherine N.

    2010-01-01

    The Cryogenic Dark Matter Search (CDMS) is searching for Weakly Interacting Massive Particles (WIMPs) with cryogenic particle detectors. These detectors have the ability to discriminate between nuclear recoil candidate and electron recoil background events by collecting both phonon and ionization energy from recoils in the detector crystals. The CDMS-II experiment has completed analysis of the first data runs with 30 semiconductor detectors at the Soudan Underground Laboratory, resulting in a world leading WIMP-nucleon spin-independent cross section limit for WIMP masses above 44 GeV/c{sup 2}. As CDMS aims to achieve greater WIMP sensitivity, it is necessary to increase the detector mass and discrimination between signal and background events. Incomplete ionization collection results in the largest background in the CDMS detectors as this causes electron recoil background interactions to appear as false candidate events. Two primary causes of incomplete ionization collection are surface and bulk trapping. Recent work has been focused on reducing surface trapping through the modification of fabrication methods for future detectors. Analyzing data taken with test devices has shown that hydrogen passivation of the amorphous silicon blocking layer worsens surface trapping. Additional data has shown that the iron-ion implantation used to lower the critical temperature of the tungsten transition-edge sensors causes a degradation of the ionization collection. Using selective implantation on future detectors may improve ionization collection for events near the phonon side detector surface. Bulk trapping is minimized by neutralizing ionized lattice impurities. Detector investigations at testing facilities and in situ at the experimental site have provided methods to optimize the neutralization process and monitor running conditions to maintain full ionization collection. This work details my contribution to the 5-tower data taking, monitoring, and analysis effort as well as the SuperCDMS detector development with the focus on monitoring and improving ionization collection in the detectors.

  15. WIDTH AND MODE OF THE PROFILE FOR RANDOM TREES OF LOGARITHMIC HEIGHT1

    E-Print Network [OSTI]

    Devroye, Luc

    Science Academia Sinica Taipei 115 Taiwan August 21, 2005 Abstract We propose a new, direct, correlation by a grant from National Science Council. 1 #12;1 Introduction Most random trees in the discrete probability literature have height either of order p n or of order log n (n being the tree size); see Aldous (1991

  16. Title: York University building outlines with heights and clutter (land use) data Data Creator /

    E-Print Network [OSTI]

    Title: York University building outlines with heights and clutter (land use) data Data Creator(s): April 2010 Updates: N/A Abstract: Data consists of: 3D Building Outlines in the York University Keele. Clutter data categories include: 1 Inland Water 2 Open 3 Low tree density 4 High Tree density 5 Buildings

  17. Laser altimeter canopy height profiles Methods and validation for closed-canopy, broadleaf forests

    E-Print Network [OSTI]

    Lefsky, Michael

    Laser altimeter canopy height profiles Methods and validation for closed-canopy, broadleaf forests November 2000 Abstract Waveform-recording laser altimeter observations of vegetated landscapes provide a time-resolved measure of laser pulse backscatter energy from canopy surfaces and the underlying ground

  18. Semiclassical theory of Coulomb blockade peak heights in chaotic quantum dots Evgenii E. Narimanov,1

    E-Print Network [OSTI]

    Tomsovic, Steve

    critical: if the wave function of the state at the chemical potential is poorly coupled to the leads heights, but are clearly seen in the correlation function or power spectrum. For nonzero temperature using tunneling contacts as a function of a gate voltage which tunes the electrostatic potential

  19. Morphological features of tweeks and nighttime D region ionosphere at tweek reflection height from the observations

    E-Print Network [OSTI]

    % during summer season and about 19% and 18% occurrences during equinox and winter seasons. Maximum to that during equinox and winter. Seasonally, tweek (ionospheric) reflection height in the premidnight (18:00-00:00 LT) during winter is less as compared to that during equinox and summer. Annual (seasonal average

  20. TOWARDS A CLOUD CEILOMETER NETWORK REPORTING MIXING LAYER HEIGHT Wiel M.F. Wauben

    E-Print Network [OSTI]

    Wauben, Wiel

    profiles if the aerosol concentrations are not too low. Since aerosol is well mixed in the atmospheric in the backscatter profile (cf. Wauben et al., 2006). Sometimes, medium and low clouds can also be missed or falsely1 TOWARDS A CLOUD CEILOMETER NETWORK REPORTING MIXING LAYER HEIGHT Wiel M.F. Wauben 1 , Marijn de

  1. Midweek increase in U.S. summer rain and storm heights suggests air pollution

    E-Print Network [OSTI]

    Daniel, Rosenfeld

    Midweek increase in U.S. summer rain and storm heights suggests air pollution invigorates air pollution suppresses cloud-drop coalescence and early rainout during the growth of thunderstorms explained by the difference in composition of aerosol pollution at that time. This ``weekend effect'' may

  2. On the study of wind energy at great heights using remote sensing techniques

    E-Print Network [OSTI]

    On the study of wind energy at great heights using remote sensing techniques Alfredo Pe~na1 for a wind assessment campaign on the transformer/platform of Horns Rev, the world's largest offshore wind masts surrounding the wind farm. LiDAR and SoDAR observations of mean wind speed agree for the first

  3. Influence of Thermal Stratification on Wind Profiles for Heights up to 140 m

    E-Print Network [OSTI]

    Heinemann, Detlev

    Influence of Thermal Stratification on Wind Profiles for Heights up to 140 m Ulrich Focken, Detlev of the thermal stratification is well known normaly the neutral logarithmic wind profile is used, which leadsBruin for the thermal stratification is testet with measured data from the 200 m high met mast in Cabouw, Netherlands

  4. Effect of sampling height on the concentration of airborne fungal spores

    E-Print Network [OSTI]

    Levetin, Estelle

    and possible sources of air pollution.8 In addition, it is high enough to avoid vandalism and bothering aeroallergens. Airborne fungal spores are commonly collected from the outdoor air at the rooftop level of high respiration level (1.5 m above the ground) and at roof level (12 m height). Methods: Air samples were

  5. Master thesis Solar Energy Meteorology Comparison of different methods to estimate cloud height for solar

    E-Print Network [OSTI]

    Peinke, Joachim

    Master thesis ­ Solar Energy Meteorology Comparison of different methods to estimate cloud height: · Interest in meteorology and solar energy · Experiences with data handling and analysis · Good programming for solar irradiance calculations In order to derive incoming solar irradiance at the earths surface

  6. Annual Logging Symposium, June 16-20, 2012 SATURATION-HEIGHT AND INVASION CONSISTENT HYDRAULIC

    E-Print Network [OSTI]

    Torres-Verdín, Carlos

    on pore geometry, which relates to saturation-height modeling at a later stage in reservoir water saturation (Swi). The assumption is that the reservoir under study underwent hydrocarbon migration water method which is only applicable to reservoir zones that are at nearly irreducible water saturation

  7. WAVE HEIGHTS IN A 4D OCEAN WAVE FIELD Paul C. Liu

    E-Print Network [OSTI]

    WAVE HEIGHTS IN A 4D OCEAN WAVE FIELD Paul C. Liu NOAA Great Lakes Environmental Research a preliminary examination and analysis of a small suite of 4-D wave data to explore what new insight century. We feel it is timely to encourage further 4-D ocean wave measurement and thereby facilitate fresh

  8. Alcator C-Mod soft X-ray pulse height analysis system

    E-Print Network [OSTI]

    Gamboa, Eliseo (Eliseo J.)

    2007-01-01

    A pulse height analysis (PHA) system has been installed on the Alcator C-Mod magnetic confinement fusion experiment. The PHA utilizes a Si(Li) detector to measure soft X-rays in the 1-30 keV range with an energy resolution ...

  9. Short communication A new breaking wave height direct estimator from video imagery

    E-Print Network [OSTI]

    Short communication A new breaking wave height direct estimator from video imagery Rafael Almar a, laborious and limited to short term and localized field observations car- ried out on an energetic bathymetry through depth- inversion algorithms, where wave celerities or a proxy for wave breaking energy

  10. History in the making : the construction of community memory and racial subjects in the Boyle Heights exhibition

    E-Print Network [OSTI]

    Chen, Su-Shuan

    2010-01-01

    The Boyle Heights Oral History Project: A Multiethnic andColorado Press, 2005. Oral History Transcripts conducted byand Daniel Widener. “A History of Black and Brown: Chicana/

  11. History in the making : the construction of community memory and racial subjects in the Boyle Heights exhibition

    E-Print Network [OSTI]

    Chen, Su-Shuan

    2010-01-01

    1997. Ngai, Mae. Impossible Subjects: Illegal Aliens and theof Community Memory and Racial Subjects in the Boyle Heightsof Community Memory and Racial Subjects in the Boyle Heights

  12. A review of "Murder in the Tower and Other Tales from the State Trials." by Alan Wharam 

    E-Print Network [OSTI]

    Ellen J. Jenkins

    2003-01-01

    stream_source_info V61-I1-23-Jenkins.pdf.txt stream_content_type text/plain stream_size 8562 Content-Encoding ISO-8859-1 stream_name V61-I1-23-Jenkins.pdf.txt Content-Type text/plain; charset=ISO-8859-1 REVIEWS 87 a... fuller understanding of the trial and execution of ?that man of blood.? Alan Wharam. Murder in the Tower and Other Tales from the State Trials. Aldershot, U.K.: Ashgate, 2001. x + 286 pp. + 12 b&w illus. $84.95. Review by ELLEN J. JENKINS, ARKANSAS...

  13. Shape reconstruction and height fluctuations of red blood cells using defocusing microscopy

    E-Print Network [OSTI]

    Siman, L; Amaral, F T; Agero, U; Mesquita, O N

    2014-01-01

    In this paper the bright-field defocusing microscopy (DM) technique is presented. DM is able to obtain quantitative information of each plane/surface of pure phase objects, as live unlabeled cells, and its application to red blood cells (RBCs) is demonstrated. Based on contrast, simple methods to obtain thickness profile and three dimensional (3D) total reconstruction of RBCs are proposed and the actual height profiles of upper and lower surface-membranes (lipid bilayer$/$cytoskeleton) of discocyte and stomatocyte red cells are presented as examples. In addition, using the mean square contrast fluctuation and modeling the RBC membranes fluctuations spectra as dependent of a bending modulus $(\\kappa_c)$, a surface tension $(\\sigma)$ and a confining potential $(\\gamma)$ term, slowly varying quantities along the cell radius, a genetic algorithm (GA) is used and the radial height fluctuations of each surface-membrane are accessed, separately. The radial behaviors of $\\kappa_c$, $\\sigma$ and $\\gamma$ are also obta...

  14. Height control of self-assembled quantum dots by strain engineering during capping

    SciTech Connect (OSTI)

    Grossi, D. F., E-mail: d.grossi@tue.nl; Koenraad, P. M. [Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven (Netherlands); Smereka, P. [Department of Mathematics, University of Michigan, Ann Arbor, Michigan 48109 (United States); Keizer, J. G. [Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven (Netherlands); Australian Research Council Centre of Excellence for Quantum Computation and Communications, School of Physics, University of New South Wales, Sydney 2052 (Australia); Ulloa, J. M. [Institute for Systems based on Optoelectronics and Microtechnology (ISOM), Universidad Politecnica de Madrid, Avenida Complutense 30, 28040 Madrid (Spain)

    2014-10-06

    Strain engineering during the capping of III-V quantum dots has been explored as a means to control the height of strained self-assembled quantum dots. Results of Kinetic Monte Carlo simulations are confronted with cross-sectional Scanning Tunnel Microscopy (STM) measurements performed on InAs quantum dots grown by molecular beam epitaxy. We studied InAs quantum dots that are capped by In{sub x}Ga{sub (1?x)}As layers of different indium compositions. Both from our realistic 3D kinetic Monte Carlo simulations and the X-STM measurements on real samples, a trend in the height of the capped quantum dot is found as a function of the lattice mismatch between the quantum dot material and the capping layer. Results obtained on additional material combinations show a generic role of the elastic energy in the control of the quantum dot morphology by strain engineering during capping.

  15. Analysis of the classical pseudo-3D model for hydraulic fracture with equilibrium height growth across stress barriers

    E-Print Network [OSTI]

    Peirce, Anthony

    Analysis of the classical pseudo-3D model for hydraulic fracture with equilibrium height growth t This paper deals with the so-called ``pseudo three-dimensional'' (P3D) model for a hydraulic fracture of the length, height, and aperture of the hydraulic fracture, in contrast to the numerical formulations adopted

  16. Energy range of hadronic calorimeter towers and cells for high-pT jets at a 100 TeV collider

    E-Print Network [OSTI]

    S. V. Chekanov; J. Dull

    2015-12-28

    This paper discusses a study of tower and cell energy ranges of a hadronic calorimeter for a 100 TeV pp collider. The dynamic energy ranges were estimated using Standard Model jets with transverse momenta above 20 TeV. The simulations were performed using the PYTHIA Monte Carlo model after a fast detector simulation tuned to the ATLAS hadronic calorimeter. We estimate the maximum energy range of towers and cells as a function of lateral cell sizes for several extreme cases of jet transverse energy.

  17. Verification survey report of the south waste tank farm training/test tower and hazardous waste storage lockers at the West Valley demonstration project, West Valley, New York

    SciTech Connect (OSTI)

    Weaver, Phyllis C.

    2012-08-29

    A team from ORAU's Independent Environmental Assessment and Verification Program performed verification survey activities on the South Test Tower and four Hazardous Waste Storage Lockers. Scan data collected by ORAU determined that both the alpha and alpha-plus-beta activity was representative of radiological background conditions. The count rate distribution showed no outliers that would be indicative of alpha or alpha-plus-beta count rates in excess of background. It is the opinion of ORAU that independent verification data collected support the site?s conclusions that the South Tower and Lockers sufficiently meet the site criteria for release to recycle and reuse.

  18. Energy range of hadronic calorimeter towers and cells for high-pT jets at a 100 TeV collider

    E-Print Network [OSTI]

    S. V. Chekanov; J. Dull

    2015-11-04

    This paper discusses a study of tower and cell energy ranges of a hadronic calorimeter for a 100 TeV pp collider. The dynamic energy ranges were estimated using Standard Model jets with transverse momenta above 20 TeV. The simulations were performed using the PYTHIA Monte Carlo model after a fast detector simulation tuned to the ATLAS hadronic calorimeter. We estimate the maximum energy range of towers and cells as a function of lateral cell sizes for several extreme cases of jet transverse energy.

  19. HIGHER PICARD VARIETIES AND THE HEIGHT PAIRING KLAUS KU"NNEMANN

    E-Print Network [OSTI]

    defined under suitable assumptions height pai* *rings (1) XK: CHp(XK )0Q x CHd+1-p of the Hodge index theorem should hold for the pairing (1). We denote by Ap(XK )Q the subgroup of CHp(XK )0Q of this note is to show that these theorems hold for the subquotients Bp(AK )Q of CHp(AK )0Q . The hard

  20. Chamberlain Heights Redevelopment: A Large Scale, Cold Climate Study of Affordable Housing Retrofits

    SciTech Connect (OSTI)

    Donnelly, K.; Mahle, M.

    2012-03-01

    The City of Meriden Housing Authority (MHA) collaborated with affordable housing developer Jonathon Rose Companies (JRC) to complete a gut renovation of 124 residential units in the Chamberlain Heights retrofit project. The affordable housing community is made up of 36 buildings in duplex and quad configurations located on 22 acres within two miles of downtown Meriden, CT. The final post-retrofit analysis showed 40%-45% source energy savings over the existing pre-retrofit conditions.

  1. Chamberlain Heights Redevelopment: A Large Scale, Cold Climate Study of Affordable Housing Retrofits

    SciTech Connect (OSTI)

    Donnelly, K.; Mahle, M.

    2012-03-01

    The City of Meriden Housing Authority (MHA) collaborated with affordable housing developer Jonathon Rose Companies (JRC) to complete a gut renovation of 124 residential units in the Chamberlain Heights retrofit project. The affordable housing community is made up of 36 buildings in duplex and quad configurations located on 22 acres within two miles of downtown Meriden, CT. The final post-retrofit analysis showed 40-45% source energy savings over the existing pre-retrofit conditions.

  2. A blending problem (Taha, Example 2.3-7, almost) An oil refinery has three stages of production: a distillation tower, which

    E-Print Network [OSTI]

    Galvin, David

    A blending problem (Taha, Example 2.3-7, almost) An oil refinery has three stages of production: a distillation tower, which takes in crude oil, up to a maximum of 650,000 barrels per day (bbl/day) and produces **" means "**% octane".) Once crude oil enters the system, it goes fully through the process. The refinery

  3. Economic evaluation of a novel fuel-saver hybrid combining a solar receiver with a combustor for a solar power tower

    E-Print Network [OSTI]

    Balasuriya, Sanjeeva

    achieves the same combus- tion efficiency as the boiler for twice the capital cost of a solar receiverEconomic evaluation of a novel fuel-saver hybrid combining a solar receiver with a combustor for a solar power tower G.J. Nathan a, , D.L. Battye b , P.J. Ashman b a Centre for Energy Technology, Schools

  4. Observations of the Pulsar PSR B1951+32 with the Solar Tower Atmospheric Cherenkov Effect Experiment

    E-Print Network [OSTI]

    J. Kildea; J. Zweerink; J. Ball; J. E. Carson; C. E. Covault; D. D. Driscoll; P. Fortin; D. M. Gingrich; D. S. Hanna; A. Jarvis; T. Lindner; C. Mueller; R. Mukherjee; R. A. Ong; K. Ragan; D. A. Williams

    2007-10-25

    We present the analysis and results of 12.5 hours of high-energy gamma-ray observations of the EGRET-detected pulsar PSR B1951+32 using the Solar Tower Atmospheric Cherenkov Effect Experiment (STACEE). STACEE is an atmospheric Cherenkov detector, in Albuquerque, New Mexico, that detects cosmic gamma rays using the shower-front-sampling technique. STACEE's sensitivity to astrophysical sources at energies around 100 GeV allows it to investigate emission from gamma-ray pulsars with expected pulsed emission cutoffs below 100 GeV. We discuss the observations and analysis of STACEE's PSR 1951+32 data, accumulated during the 2005 and 2006 observing seasons.

  5. Computing dynamic height from temperature profiles north of 30N in the Pacific Ocean 

    E-Print Network [OSTI]

    O'Brien, Anthony

    1978-01-01

    fronts and their relation to the wind and energy flux fields. J. Geophys. Res. , 5, 557 ? 571. Sverdrup, H, U. , M. W. Johnson, and R. H. Fleming, 1942: The Oceans Their Phys7cs, Chemistry and General Biology. Prentice Hall. Stommel, H. S. , 1947... HEIGHT FROM TEMPERATURE PROFILES NORTH OP 30"N IN THE PACIFIC OCEAN A Thesis by ANTHONY O' BRIEN Submitted to the Graduate College of Texas A&M University in partial fullfillment of the requirement for the degree of 1fASTER OF SCIENCF. May 1978...

  6. Investigation of bit patterned media, thermal flying height control sliders and heat assisted magnetic recording in hard disk drives

    E-Print Network [OSTI]

    Zheng, Hao

    2011-01-01

    flying head slider bearings in magnetic hard disk drives,”height control and air bearing cooling of magnetic recordingCenter for Magnetic Recording Research (CMRR) an air bearing

  7. The structure of countable primary abelian groups and primary abelian groups without elements of infinite height 

    E-Print Network [OSTI]

    Heatherly, Henry Edward

    1962-01-01

    , st t be the smallest of tbe heights h(zz )z h(m )z 1 h(R }, He index the nizs. ao that g is the ind'ezz for shish ch h(s ' ) e t? 'bXxt h(x ) C, iff iw g, . Then k s ~, itic& xx + ig, q " jx (zxxuacion 2), The @ix'are 'gust che -, qi evict... the thesis proyeC some kistoxiosl beck grecian ls iu Or@sr, 4JthenggX sclera She%inn gXOay 'thici'g mnf be eslC to. stsrt xxith, the work "of gx Prfgfer ia the earl@ $9BQ'sx the fiyet Mess on the stree%are. of, xx'a, 'nbeQ'exx gassy weye I' l. l...

  8. Genetic analysis of inflorescence and plant height components in sorghum (Panicoidae) and comparative genetics with rice (Oryzoidae)

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

    Zhang, Dong; Kong, Wenqian; Robertson, Jon; Goff, Valorie H; Epps, Ethan; Kerr, Alexandra; Mills, Gabriel; Cromwell, Jay; Lugin, Yelena; Phillips, Christine; et al

    2015-12-01

    Domestication has played an important role in shaping characteristics of the inflorescence and plant height in cultivated cereals. Taking advantage of meta-analysis of QTLs, phylogenetic analyses in 502 diverse sorghum accessions, GWAS in a sorghum association panel (n = 354) and comparative data, we provide insight into the genetic basis of the domestication traits in sorghum and rice. We performed genome-wide association studies (GWAS) on 6 traits related to inflorescence morphology and 6 traits related to plant height in sorghum, comparing the genomic regions implicated in these traits by GWAS and QTL mapping, respectively. In a search for signatures ofmore »selection, we identify genomic regions that may contribute to sorghum domestication regarding plant height, flowering time and pericarp color. Comparative studies across taxa show functionally conserved ‘hotspots’ in sorghum and rice for awn presence and pericarp color that do not appear to reflect corresponding single genes but may indicate co-regulated clusters of genes. We also reveal homoeologous regions retaining similar functions for plant height and flowering time since genome duplication an estimated 70 million years ago or more in a common ancestor of cereals. In most such homoeologous QTL pairs, only one QTL interval exhibits strong selection signals in modern sorghum. Intersections among QTL, GWAS and comparative data advance knowledge of genetic determinants of inflorescence and plant height components in sorghum, and add new dimensions to comparisons between sorghum and rice.« less

  9. Genetic analysis of inflorescence and plant height components in sorghum (Panicoidae) and comparative genetics with rice (Oryzoidae)

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

    Zhang, Dong; Kong, Wenqian; Robertson, Jon; Goff, Valorie H.; Epps, Ethan; Kerr, Alexandra; Mills, Gabriel; Cromwell, Jay; Lugin, Yelena; Phillips, Christine; et al

    2015-04-19

    Domestication has played an important role in shaping characteristics of the inflorescence and plant height in cultivated cereals. Taking advantage of meta-analysis of QTLs, phylogenetic analyses in 502 diverse sorghum accessions, GWAS in a sorghum association panel (n = 354) and comparative data, we provide insight into the genetic basis of the domestication traits in sorghum and rice. We performed genome-wide association studies (GWAS) on 6 traits related to inflorescence morphology and 6 traits related to plant height in sorghum, comparing the genomic regions implicated in these traits by GWAS and QTL mapping, respectively. In a search for signatures ofmore »selection, we identify genomic regions that may contribute to sorghum domestication regarding plant height, flowering time and pericarp color. Comparative studies across taxa show functionally conserved ‘hotspots’ in sorghum and rice for awn presence and pericarp color that do not appear to reflect corresponding single genes but may indicate co-regulated clusters of genes. We also reveal homoeologous regions retaining similar functions for plant height and flowering time since genome duplication an estimated 70 million years ago or more in a common ancestor of cereals. In most such homoeologous QTL pairs, only one QTL interval exhibits strong selection signals in modern sorghum. Intersections among QTL, GWAS and comparative data advance knowledge of genetic determinants of inflorescence and plant height components in sorghum, and add new dimensions to comparisons between sorghum and rice.« less

  10. Genetic analysis of inflorescence and plant height components in sorghum (Panicoidae) and comparative genetics with rice (Oryzoidae)

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

    Zhang, Dong [Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab. and Inst. of Bioinformatics; Kong, Wenqian [Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab. and Dept. of Crop and Soil Sciences; Robertson, Jon [Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab.; Goff, Valorie H [Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab.; Epps, Ethan [Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab.; Kerr, Alexandra [Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab.; Mills, Gabriel [Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab.; Cromwell, Jay [Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab.; Lugin, Yelena [Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab.; Phillips, Christine [Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab.; Paterson, Andrew H [Univ. of Georgia, Athens, GA (United States). Plant Genome Mapping Lab., Inst. of Bioinformatics, Dept. of Crop and Soil Sciences, Dept. of Plant Biology, Dept. of Genetics

    2015-12-01

    Domestication has played an important role in shaping characteristics of the inflorescence and plant height in cultivated cereals. Taking advantage of meta-analysis of QTLs, phylogenetic analyses in 502 diverse sorghum accessions, GWAS in a sorghum association panel (n = 354) and comparative data, we provide insight into the genetic basis of the domestication traits in sorghum and rice. We performed genome-wide association studies (GWAS) on 6 traits related to inflorescence morphology and 6 traits related to plant height in sorghum, comparing the genomic regions implicated in these traits by GWAS and QTL mapping, respectively. In a search for signatures of selection, we identify genomic regions that may contribute to sorghum domestication regarding plant height, flowering time and pericarp color. Comparative studies across taxa show functionally conserved ‘hotspots’ in sorghum and rice for awn presence and pericarp color that do not appear to reflect corresponding single genes but may indicate co-regulated clusters of genes. We also reveal homoeologous regions retaining similar functions for plant height and flowering time since genome duplication an estimated 70 million years ago or more in a common ancestor of cereals. In most such homoeologous QTL pairs, only one QTL interval exhibits strong selection signals in modern sorghum. Intersections among QTL, GWAS and comparative data advance knowledge of genetic determinants of inflorescence and plant height components in sorghum, and add new dimensions to comparisons between sorghum and rice.

  11. American Recovery and Reinvestment Act (ARRA) FEMP Technical Assistance Federal Aviation Administration – Project 209 Control Tower and Support Building Oakland, CA

    SciTech Connect (OSTI)

    Arends, J.; Sandusky, William F.

    2010-03-01

    This report represents findings of a design review team that evaluated construction documents (at the 70% level) and operating specifications for a new control tower and support building that will be build at Oakland, California by the Federal Aviation Administration (FAA). The focus of the review was to identify measures that could be incorporated into the final design and operating specification that would result in additional energy savings for the FAA that would not have otherwise occurred.

  12. High Energy Gamma-Ray Observations of the Crab Nebula and Pulsar with the Solar Tower Atmospheric Cherenkov Effect Experiment

    E-Print Network [OSTI]

    Oser, S; Boone, L M; Chantell, M C; Conner, Z; Covault, C E; Dragovan, M; Fortin, P; Gregorich, D T; Hanna, D S; Mukherjee, R; Ong, R A; Ragan, K; Scalzo, R A; Schuette, D R; Theoret, C G; Tumer, T O; Williams, D A; Zweerink, J A

    2015-01-01

    The Solar Tower Atmospheric Cherenkov Effect Experiment (STACEE) is a new ground-based atmospheric Cherenkov telescope for gamma-ray astronomy. STACEE uses the large mirror area of a solar heliostat facility to achieve a low energy threshold. A prototype experiment which uses 32 heliostat mirrors with a total mirror area of ~ 1200\\unit{m^2} has been constructed. This prototype, called STACEE-32, was used to search for high energy gamma-ray emission from the Crab Nebula and Pulsar. Observations taken between November 1998 and February 1999 yield a strong statistical excess of gamma-like events from the Crab, with a significance of $+6.75\\sigma$ in 43 hours of on-source observing time. No evidence for pulsed emission from the Crab Pulsar was found, and the upper limit on the pulsed fraction of the observed excess was E_{th}) = (2.2 \\pm 0.6 \\pm 0.2) \\times 10^{-10}\\unit{photons cm^{-2} s^{-1}}. The observed flux is in agreement with a continuation to lower energies of the power law spectrum seen at TeV energies...

  13. Lawrence Livermore National Laboratory (LLNL) Experimental Test Site (Site 300) Salinity Evaluation and Minimization Plan for Cooling Towers and Mechanical Equipment Discharges

    SciTech Connect (OSTI)

    Daily III, W D

    2010-02-24

    This document was created to comply with the Central Valley Regional Water Quality Control Board (CVRWQCB) Waste Discharge Requirement (Order No. 98-148). This order established new requirements to assess the effect of and effort required to reduce salts in process water discharged to the subsurface. This includes the review of technical, operational, and management options available to reduce total dissolved solids (TDS) concentrations in cooling tower and mechanical equipment water discharges at Lawrence Livermore National Laboratory's (LLNL's) Experimental Test Site (Site 300) facility. It was observed that for the six cooling towers currently in operation, the total volume of groundwater used as make up water is about 27 gallons per minute and the discharge to the subsurface via percolation pits is 13 gallons per minute. The extracted groundwater has a TDS concentration of 700 mg/L. The cooling tower discharge concentrations range from 700 to 1,400 mg/L. There is also a small volume of mechanical equipment effluent being discharged to percolation pits, with a TDS range from 400 to 3,300 mg/L. The cooling towers and mechanical equipment are maintained and operated in a satisfactory manner. No major leaks were identified. Currently, there are no re-use options being employed. Several approaches known to reduce the blow down flow rate and/or TDS concentration being discharged to the percolation pits and septic systems were reviewed for technical feasibility and cost efficiency. These options range from efforts as simple as eliminating leaks to implementing advanced and innovative treatment methods. The various options considered, and their anticipated effect on water consumption, discharge volumes, and reduced concentrations are listed and compared in this report. Based on the assessment, it was recommended that there is enough variability in equipment usage, chemistry, flow rate, and discharge configurations that each discharge location at Site 300 should be considered separately when deciding on an approach for reducing the salt discharge to the subsurface. The smaller units may justify moderate changes to equipment, and may benefit from increased cleaning frequencies, more accurate and suitable chemical treatment, and sources of make up water and discharge re-use. The larger cooling towers would be more suitable for automated systems where they don't already exist, re-circulation and treatment of blow down water, and enhanced chemical dosing strategies. It may be more technically feasible and cost efficient for the smaller cooling towers to be replaced by closed loop dry coolers or hybrid towers. There are several potential steps that could be taken at each location to reduce the TDS concentration and/or water use. These include: sump water filtration, minimization of drift, accurate chemical dosing, and use of scale and corrosion coupons for chemical calibration. The implementation of some of these options could be achieved by a step-wise approach taken at two representative facilities. Once viable prototype systems have been proven in the field, systematic implementation should proceed for the remaining systems, with cost, desired reduction, and general feasibility taken into consideration for such systems.

  14. Height and the total mass of the forest of genealogical trees of a large population with general competition.

    E-Print Network [OSTI]

    Pardoux, Etienne

    Height and the total mass of the forest of genealogical trees of a large population with general of the forest of genealogical trees) remains finite, as the number of ancestors tends to infinity, or even such that the length of the forest of genealogical trees (which in the case of continuous state is rather called its

  15. The effect of competition on the height and length of the forest of genealogical trees of a

    E-Print Network [OSTI]

    Pardoux, Etienne

    The effect of competition on the height and length of the forest of genealogical trees of a large consider a population generating a forest of genealogical trees in continuous time, with m roots (the to infinity to a Feller SDE with a negative polynomial drift. The genealogy in the continuous limit

  16. What are the most efficient basis set strategies for correlated wave function calculations of reaction energies and barrier heights?

    E-Print Network [OSTI]

    Truhlar, Donald G

    What are the most efficient basis set strategies for correlated wave function calculations of reaction energies and barrier heights? Ewa Papajak and Donald G. Truhlar Citation: J. Chem. Phys. 137 OF CHEMICAL PHYSICS 137, 064110 (2012) What are the most efficient basis set strategies for correlated wave

  17. Nature of the Mesoscale Boundary Layer Height and Water Vapor Variability Observed 14 June 2002 during the IHOP_2002 Campaign

    E-Print Network [OSTI]

    Nature of the Mesoscale Boundary Layer Height and Water Vapor Variability Observed 14 June 2002, Boulder, Colorado (Manuscript received 4 September 2007, in final form 23 June 2008) ABSTRACT Mesoscale at the mesoscale, with the spatial pattern and the magnitude of the variability changing from day to day. On 14

  18. DETERMINATION OF BACK CONTACT BARRIER HEIGHT IN Cu(In,Ga)(Se,S)2 AND CdTe SOLAR CELLS

    E-Print Network [OSTI]

    Sites, James R.

    DETERMINATION OF BACK CONTACT BARRIER HEIGHT IN Cu(In,Ga)(Se,S)2 AND CdTe SOLAR CELLS Galymzhan T-contact metallization. The input data is the current- voltage (J-V) curves for the solar cell measured over a range point technique and apply it to specific solar-cell examples. The range of Jt that can be practically

  19. On the use of ICESAT-GLAS measurements for MODIS and SEVIRI cloud-top height accuracy assessment

    E-Print Network [OSTI]

    range of latitudes. For both passive instruments, cloud-top heights were overestimated by about 300 assessment, Geophys. Res. Lett., 32, L19815, doi:10.1029/2005GL023275. 1. Introduction [2] Passive of thin cirrus clouds in a warming climate. A better characterization is also necessary for building

  20. SMALL-SCALE VARIABILITY IN SEA SURFACE HEIGHTS AND SURFACE WINDS: IMPLICATIONS FOR ERRORS IN OCEAN MODELS AND OBSERVATIONS

    E-Print Network [OSTI]

    Kaplan, Alexey

    SMALL-SCALE VARIABILITY IN SEA SURFACE HEIGHTS AND SURFACE WINDS: IMPLICATIONS FOR ERRORS IN OCEAN on dispersion relationship of planetary waves 4. Small-scale variability in surface winds and sea surface of model and observational data sets. Imperfect parameterization of the small-scale variability (SSV

  1. An enhanced pseudo-3D model for hydraulic fracturing accounting for viscous height growth, non-local elasticity, and

    E-Print Network [OSTI]

    Peirce, Anthony

    An enhanced pseudo-3D model for hydraulic fracturing accounting for viscous height growth, non to the predictions calculated using a recently developed fully planar hydraulic fracturing simulator. Ó 2015 Elsevier Ltd. All rights reserved. 1. Introduction Hydraulic fracturing (HF) is a process in which

  2. Experimental study of the influence of collector height on the steady state performance of a passive solar air heater

    SciTech Connect (OSTI)

    Ryan, D.; Burek, S.A.M.

    2010-09-15

    Passive solar air heaters, such as solar chimneys and Trombe Walls, rely on solar-induced buoyancy-driven (natural) convection to produce the flow of air. Although buoyancy-driven convection is well understood for a single vertical plate, buoyancy-driven convection in an asymmetrically-heated channel is more problematic, and in particular, the effects of the channel height on the flow rate and heat transfer. This paper reports on experiments on test rigs resembling lightweight passive solar air-heating collectors. The test rigs were of heights 0.5, 1.0 and 2.0 m, with adjustable channel depths (20-150 mm) and heat inputs (up to 1000 W/m{sup 2}). Measurements were made of the air, plate and cover temperatures, and air velocities. Results are presented as dimensionless correlations of mass flow (as Reynolds number) and efficiency against heat input (as Rayleigh number), channel depth and height. Thermal efficiency is shown to be a function of the heat input and the system height, but not of the channel depth; mass flow is shown to be a dependent on all three parameters. (author)

  3. Monitoring temporal opacity fluctuations of large structures with muon tomography : a calibration experiment using a water tower tank

    E-Print Network [OSTI]

    Kevin Jourde; Dominique Gibert; Jacques Marteau; Jean de Bremond d'Ars; Serge Gardien; Claude Girerd; Jean-Christophe Ianigro

    2015-04-09

    The idea of using secondary cosmic muons to scan the internal structure of a given body has known significant developments since the first archaeological application by Alvarez and collaborators on the Gizah pyramids. Recent applications cover the fields of volcanology, hydrology, civil engineering, mining, archaeology etc. Muon radiography features are essentially identical to those of medical X-ray imaging techniques. It is a contrast densitometry method using the screening effect of the body under study on the natural flux of cosmic muons. This technique is non-invasive and complements the standard geophysical techniques, e.g. electrical tomography or gravimetry. It may be applied to a large variety of geological targets, among which the domes of active volcanoes. In this context muon tomography presents the noticeable advantage to perform measurements of large volumes, with a large aperture, from a distant point, far from the potentially dangerous zones. The same conclusions apply regarding the monitoring of the volcano's activity since muon tomography provides continuous data taking, provided the muon detectors are sufficiently well designed and autonomous. Recent measurements on La Soufri\\`ere of Guadeloupe (Lesser Antilles, France) show, over a one year period, large modulations of the crossing muon flux, correlated with an increase of the activity in the dome. In order to firmly establish the sensitivity of the method and of our detectors and to disentangle the effects on the muon flux modulations induced by the volcano's hydrothermal system from those induced by other sources, e.g. atmospheric temperature and pressure, we perform a dedicated calibration experiment inside a water tower tank. We show how the method is fully capable of dynamically following fast variations in the density.

  4. Acoustic Imaging Evaluation of Juvenile Salmonid Behavior in the Immediate Forebay of the Water Temperature Control Tower at Cougar Dam, 2010

    SciTech Connect (OSTI)

    Khan, Fenton; Johnson, Gary E.; Royer, Ida M.; Phillips, Nathan RJ; Hughes, James S.; Fischer, Eric S.; Ploskey, Gene R.

    2011-10-01

    This report presents the results of an evaluation of juvenile Chinook salmonid (Oncorhynchus tshawytscha) behavior in the immediate forebay of the Water Temperature Control (WTC) tower at Cougar Dam in 2010. The study was conducted by the Pacific Northwest National Laboratory for the U.S. Army Corps of Engineers. The overall goal of the study was to characterize juvenile salmonid behavior and movement patterns in the immediate forebay of the WTC tower for fisheries resource managers to use to make decisions on bioengineering designs for long-term structures and/or operations to facilitate safe downstream passage for juvenile salmonids. We collected acoustic imaging (Dual-Frequency Identification Sonar; DIDSON) data from February 1, 2010 through January 31, 2011 to evaluate juvenile salmonid behavior year-round in the immediate forebay surface layer of the WTC tower (within 20 m, depth 0-5 m). From October 28, 2010 through January 31, 2011 a BlueView acoustic camera was also deployed in an attempt to determine its usefulness for future studies as well as augment the DIDSON data. For the DIDSON data, we processed a total of 35 separate 24-h periods systematically covering every other week in the 12-month study. Two different 24-hour periods were processed for the BlueView data for the feasibility study. Juvenile salmonids were present in the immediate forebay of the WTC tower throughout 2010. The juvenile salmonid abundance index was low in the spring (<200 fish per sample-day), began increasing in late April and peaked in mid-May. Fish abundance index began decreasing in early June and remained low in the summer months. Fish abundance increased again in the fall, starting in October, and peaked on November 8-9. A second peak occurred on December 22. Afterwards, abundance was low for the rest of the study (through January 2011). Average fish length for juvenile salmonids during early spring 2010 was 214 {+-} 86 mm (standard deviation). From May through early November, average fish length remained relatively consistent (132 {+-} 39 mm), after which average lengths increased to 294 {+-} 145 mm for mid-November though early December. Fish behavior analysis indicates milling in front of the intake tower was the most common behavior observed throughout the study period (>50% of total fish events). The next most common movement patterns were fish traversing along the front of the tower, east-to-west and west-to-east. The proportion of fish events seen moving into (forebay to tower) or out of (tower to forebay) the tower was generally low throughout the spring, summer, and early fall for both directions combined. From mid-December 2010 through the end of the study, the combined proportions of fish moving into and out of the tower were higher than previous months of this study. Schooling behavior was most distinct in the spring from late April through mid-June. Schooling events were present in 30 - 96% of the fish events during that period, with a peak in mid-May. Schooling events were also present in the summer, but at lower numbers. Diel distributions for schooling fish during spring, fall, and winter months indicate schooling was concentrated during daylight hours. No schooling was observed at night. Predator activity was observed during late spring, when fish abundance and schooling were highest for the year, and again in the fall months when fish events increased from a summer low. No predator activity was observed in the summer, and little activity occurred during the winter months. For the two days of BlueView data analyzed for vertical distribution in the forebay, a majority of fish (>50%) were present in the middle of the water column (10 - 20 m deep). Between 20 and 41 % of total fish abundance were found in the bottom of the water column (20 - 30 m deep). Few fish were observed in the top 10 m of the water column.

  5. American Recovery and Reinvestment Act (ARRA) - FEMP Technical Assistance - Federal Aviation Administration - Project 209 - Control Tower and Support Building, Boise, Idaho

    SciTech Connect (OSTI)

    Arends, J.; Sandusky, William F.

    2010-06-28

    This report documents an energy audit performed by Pacific Northwest National Laboratory (PNNL) and Redhorse Corporation (Redhorse) conducted on the Federal Aviation Administration (FAA) control tower and base building in Boise, Idaho. This report presents findings of the energy audit team that evaluated construction documents and operating specifications (at the 100% level) followed by a site visit of the facility under construction. The focus of the review was to identify measures that could be incorporated into the final design and operating specifications that would result in additional energy savings for FAA that would not have otherwise occurred.

  6. American Recovery and Reinvestment Act (ARRA) FEMP Technical Assistance Federal Aviation Administration – Project 209 Control Tower and Support Building, Reno, Nevada

    SciTech Connect (OSTI)

    Arends, J.; Sandusky, William F.

    2010-06-30

    Pacific Northwest National Laboratory (PNNL) and Redhorse Corporation (Redhorse) conducted an energy audit on the Federal Aviation Administration (FAA) control tower and base building in Reno, Nevada. This report presents the findings of the energy audit team that evaluated construction documents and operating specifications (at the 100% level) and completed a site visit. The focus of the review was to identify measures that could be incorporated into the final design and operating specifications that would result in additional energy savings for the FAA that would not have otherwise occurred.

  7. Schottky barrier height reduction for holes by Fermi level depinning using metal/nickel oxide/silicon contacts

    SciTech Connect (OSTI)

    Islam, Raisul, E-mail: raisul@stanford.edu; Shine, Gautam; Saraswat, Krishna C. [Department of Electrical Engineering, Stanford University, Stanford, California 94305 (United States)

    2014-11-03

    We report the experimental demonstration of Fermi level depinning using nickel oxide (NiO) as the insulator material in metal-insulator-semiconductor (M-I-S) contacts. Using this contact, we show less than 0.1?eV barrier height for holes in platinum/NiO/silicon (Pt/NiO/p-Si) contact. Overall, the pinning factor was improved from 0.08 (metal/Si) to 0.26 (metal/NiO/Si). The experimental results show good agreement with that obtained from theoretical calculation. NiO offers high conduction band offset and low valence band offset with Si. By reducing Schottky barrier height, this contact can be used as a carrier selective contact allowing hole transport but blocking electron transport, which is important for high efficiency in photonic applications such as photovoltaics and optical detectors.

  8. Pulse-height distributions of neutron and gamma rays from plutonium-oxide S.A. Pozzi a,, S.D. Clarke a

    E-Print Network [OSTI]

    Eustice, Ryan

    Pulse-height distributions of neutron and gamma rays from plutonium-oxide samples S.A. Pozzi a,Ã, S Digital data processing Plutonium oxide 252 Cf a b s t r a c t We present new results on neutron and gamma-ray pulse-height distributions (PHDs) measured with liquid scintillators from five plutonium-oxide samples

  9. Cloud coverage and height during FIRE ACE derived from Patrick Minnis,1 Venkatesan Chakrapani,2 David R. Doelling,2 Louis Nguyen,1

    E-Print Network [OSTI]

    Shupe, Matthew

    Cloud coverage and height during FIRE ACE derived from AVHRR data Patrick Minnis,1 Venkatesan Robert F. Arduini,4 and Matthew Shupe5 Abstract. Cloud cover and height are derived from NOAA-12 and NOAA excellent temporal coverage during the May­July 1998 First ISCCP Regional Experiment Arctic Clouds

  10. Postsunset rise of F layer height in the equatorial region and its relation to the F layer dynamo polarization fields

    SciTech Connect (OSTI)

    Goel, M.K.; Singh, S.S.; Rao, B.C.N. (National Physical Lab., New Delhi (India))

    1990-05-01

    The ionosonde data are studied for equatorial station, Thumba, to delineate various features of the evening height rise of F layer. Sharp increase of h'F and h{sub p}F2 is observed in the postsunset period for high solar activity. Seasonal variation is observed in this increase of h'F and it is maximum for equinox months. For summer months, there is a delay of about an hour in the time of occurrence of h'F (peak) as compared to winter and equinox months. This delay is shown to be associated with the delay in sunset times in the conjugate E regions. As for magnetic activity dependence, it is found that this height increase is less pronounced for disturbed days for winter and equinox whereas for summer it is marginally higher over the quiet day values. Further, it is observed that the value of h'F (peak) during disturbed periods is almost at the same value of 350 km for all the three seasons. Thus the seasonal variation of magnetic activity effects appears to be mainly governed by the average seasonal variation for quiet times. The increase in F layer height is due to zonal eastward electric fields developed after sunset which is believed to be due to F region dynamo fields. While the main driving force for these fields is the zonal neutral winds, the development of these fields depend on the ratio of the F region to E region conductivity and the longitudinal gradient in the E region conductivity. Experimental observations of both the neutral winds and ionospheric conductivities are examined for their variation with solar activity, season and magnetic activity as both these factors will contribute for the various observed features of the height rise.

  11. Devils Tower folio, Wyoming 

    E-Print Network [OSTI]

    Darton, Nelson Horatio, 1865-1948.; O'Harra, Cleophas C. (Cleophas Cisney), 1866-1935.

    1907-01-01

    Previous hydrologic models of flow in Bear Creek Valley have presented lateral flow as occurring through the Nolichucky Shale in parallel to strike fractures within thin carbonate beds; the effects of faults were not considered. This study presents...

  12. Davis Field Water Tower

    E-Print Network [OSTI]

    Erway, Jennifer

    Reynolds Library Starbucks 7A. Wilson Wing 8. Olin Physical Laboratory 9. Salem Hall 10. Winston Hall 11

  13. Albritton Bell Tower - 4 

    E-Print Network [OSTI]

    Derrick Grubbs

    2006-03-24

    We present a preliminary design for a red-sensitive spectrograph. The spectrograph is optimized to operate over the 600-1000nm spectral range at a resolution of ~2000 and is designed specifically for the 2.7-m Harlan J. Smith Telescope at Mc...

  14. Phase Change Material Tower

    Broader source: Energy.gov [DOE]

    This presentation was delivered at the SunShot Concentrating Solar Power (CSP) Program Review 2013, held April 23–25, 2013 near Phoenix, Arizona.

  15. Water Tower - 14 

    E-Print Network [OSTI]

    Unknown

    2011-08-17

    Previous studies using tertiary amines to extract water from reagent-grade carboxylate salts (calcium acetate, propionate, and butyrate) have shown selectivity for water and not for the carboxylate salts. These results ...

  16. Albritton Bell Tower - 15 

    E-Print Network [OSTI]

    Unknown

    2006-03-24

    High Temperature Gas-cooled Reactors (HTGRs) can provide clean electricity,as well as process heat that can be used to produce hydrogen for transportation and other sectors. A prototypic HTGR, the Next Generation Nuclear ...

  17. Phase Change Material Tower

    Office of Environmental Management (EM)

    transfer of pulverized coal Assortment of available fabrication methods (shrink fit, adhesive, casting) & liner materials (i.e. alumina, SiC, etc.) Pyrotek molten metal transfer...

  18. Albritton Bell Tower - 39 

    E-Print Network [OSTI]

    Unknown

    2006-01-01

    The selective catalytic reduction (SCR) of nitric oxide (NO) with ammonia over vanadia-based (V2O5-WO3/TiO2) and pillared interlayer clay-based (V2O5/Ti-PILC) monolithic honeycomb catalysts using a laboratory laminar-flow reactor was investigated...

  19. Armor Tower, Inc.

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann JacksonDepartment|Marketing, LLC | Department ofApps forLynn talked about Mr. Edward

  20. Diode pumped solid state kilohertz disk laser system for time-resolved combustion diagnostics under microgravity at the drop tower Bremen

    SciTech Connect (OSTI)

    Wagner, Volker; Paa, Wolfgang; Triebel, Wolfgang [Institute of Photonic Technology, Laser Diagnostics, Albert-Einstein-Str. 9, 07745 Jena (Germany)] [Institute of Photonic Technology, Laser Diagnostics, Albert-Einstein-Str. 9, 07745 Jena (Germany); Eigenbrod, Christian; Klinkov, Konstantin [Center of Applied Space Technology and Microgravity, University Bremen, Am Fallturm, 28359 Bremen (Germany)] [Center of Applied Space Technology and Microgravity, University Bremen, Am Fallturm, 28359 Bremen (Germany); Larionov, Mikhail; Giesen, Adolf; Stolzenburg, Christian [Institut für Strahlwerkzeuge (IFSW), Pfaffenwaldring 43, 70569 Stuttgart (Germany)] [Institut für Strahlwerkzeuge (IFSW), Pfaffenwaldring 43, 70569 Stuttgart (Germany)

    2014-03-15

    We describe a specially designed diode pumped solid state laser system based on the disk laser architecture for combustion diagnostics under microgravity (?g) conditions at the drop tower in Bremen. The two-stage oscillator-amplifier-system provides an excellent beam profile (TEM{sub 00}) at narrowband operation (?? < 1 pm) and is tunable from 1018 nm to 1052 nm. The laser repetition rate of up to 4 kHz at pulse durations of 10 ns enables the tracking of processes on a millisecond time scale. Depending on the specific issue it is possible to convert the output radiation up to the fourth harmonic around 257 nm. The very compact laser system is integrated in a slightly modified drop capsule and withstands decelerations of up to 50 g (>11 ms). At first the concept of the two-stage disk laser is briefly explained, followed by a detailed description of the disk laser adaption to the drop tower requirements with special focus on the intended use under ?g conditions. In order to demonstrate the capabilities of the capsule laser as a tool for ?g combustion diagnostics, we finally present an investigation of the precursor-reactions before the droplet ignition using 2D imaging of the Laser Induced Fluorescence of formaldehyde.

  1. Life Cycle Environmental Impacts Resulting from the Manufacture of the Heliostat Field for a Reference Power Tower Design in the United States: Preprint

    SciTech Connect (OSTI)

    Heath, G.; Burkhardt, J.; Turchi, C.

    2012-10-01

    Life cycle assessment (LCA) is recognized as a useful analytical approach for quantifying environmental impacts of renewable energy technologies, including concentrating solar power (CSP). An LCA accounts for impacts from all stages in the development, operation, and decommissioning of a CSP plant, including such upstream stages as the extraction of raw materials used in system components, manufacturing of those components, and construction of the plant. The National Renewable Energy Laboratory is conducting a series of LCA studies for various CSP technologies. This paper contributes to a thorough LCA of a 100 MWnet molten salt power tower CSP plant by estimating the environmental impacts resulting from the manufacture of heliostats. Three life cycle metrics are evaluated: greenhouse gas emissions, water consumption, and cumulative energy demand. The heliostat under consideration (the 148 m2 Advanced Thermal Systems heliostat) emits 5,300 kg CO2eq, consumes 274 m3 of water, and requires 159,000 MJeq during its manufacture. Future work will incorporate the results from this study into the LCA model used to estimate the life cycle impacts of the entire 100 MWnet power tower CSP plant.

  2. Acoustic Imaging Evaluation of Juvenile Salmonid Behavior in the Immediate Forebay of the Water Temperature Control Tower at Cougar Dam, 2010

    SciTech Connect (OSTI)

    Khan, Fenton; Johnson, Gary E.; Royer, Ida M.; Phillips, Nathan RJ; Hughes, James S.; Fischer, Eric S.; Ham, Kenneth D.; Ploskey, Gene R.

    2012-04-01

    This report presents the results of an evaluation of juvenile Chinook salmon (Oncorhynchus tshawytscha) behavior at Cougar Dam on the south fork of the McKenzie River in Oregon in 2010. The study was conducted by the Pacific Northwest National Laboratory for the U.S. Army Corps of Engineers (USACE). The overall goal of the study was to characterize juvenile salmonid behavior and movement patterns in the immediate forebay of the Water Temperature Control (WTC) tower of the dam for USACE and fisheries resource managers use in making decisions about bioengineering designs for long-term structures and/or operations to facilitate safe downstream passage for juvenile salmonids. We collected acoustic imaging (Dual-Frequency Identification Sonar; DIDSON) data from March 1, 2010, through January 31, 2011. Juvenile salmonids (hereafter, called 'fish') were present in the immediate forebay of the WTC tower throughout the study. Fish abundance index was low in early spring (<200 fish per sample-day), increased in late April, and peaked on May 19 (6,039 fish). A second peak was observed on June 6 (2904 fish). Fish abundance index decreased in early June and remained low in the summer months (<100 fish per sample-day). During the fall and winter, fish numbers varied with a peak on November 10 (1881 fish) and a minimum on December 7 (12 fish). A second, smaller, peak occurred on December 22 (607 fish). A univariate statistical analysis indicated fish abundance index (log10-transformed) was significantly (P<0.05) positively correlated with forebay elevation, velocity over the WTC tower intake gate weirs, and river flows into the reservoir. A subsequent multiple regression analysis resulted in a model (R2=0.70) predicting fish abundance (log-transformed index values) using two independent variables of mean forebay elevation and the log10 of the forebay elevation range. From the approximate fish length measurements made using the DIDSON imaging software, the average fish length during early spring 2010 was 214 {+-} 86 mm (standard deviation). From May through early November, the average fish length remained relatively consistent (132 {+-} 54 mm), after which average lengths increased to 295 {+-} 148 mm for mid-November though early December. From mid-December through January the average fish length decreased to 151 {+-} 76 mm. Milling in front of the WTC tower was the most common fish behavior observed throughout the study period. Traversing along the front of the tower, east-to-west and west-to-east, was the next common behavior. The percentage of fish events showing movement from the forebay to the tower or from the tower to the forebay was generally low throughout the spring, summer, and early fall (0 to 30% for both directions combined, March through early November). From mid-November 2010 through the end of the study (January 31, 2011), the combined percentages of fish moving into and out of the tower were higher (25 to 70%) than during previous months of the study. Schooling behavior was most distinct in the spring. Schooling events were present in 30 to 96% of the fish events during that period, with a peak on May 19. Schooling events were also present in the summer, but at lower numbers. With the exception of some schooling in mid-December, few to no schooling events were observed in the fall and winter months. Diel distributions for schooling fish during spring and fall months indicate schooling was concentrated during daylight hours and no schooling was observed at night. However, in December, schooling occurred at night, after midnight, and during daylight hours. Predator activity, most likely bull trout or rainbow trout according to a USACE biologist, was observed during late spring, when fish abundance index and schooling were highest for the year, and again in the fall months when fish events increased from a summer low. No predator activity was observed in the summer, and little activity occurred during the winter months.

  3. Adequacy of Power-to-Mass Scaling in Simulating PWR Incident Transient for Reduced-Height, Reduced-Pressure and Full-Height, Full-Pressure Integral System Test Facilities

    SciTech Connect (OSTI)

    Liu, T.-J.; Lee, C.-H

    2004-03-15

    A complete scheme of scaling methods to design the reduced-height, reduced-pressure (RHRP) Institute of Nuclear Energy Research Integral System Test (IIST) facility and to specify test conditions for incident simulation was developed. In order to preserve core decay power history and coolant mass inventory during a transient, a unique power-to-mass scaling method is proposed and utilized for RHRP and full-height, full-pressure (FHFP) systems. To validate the current scaling method, three counterpart tests done at the IIST facility are compared with the FHFP tests in small-break loss-of-coolant, station blackout, and loss-of-feedwater accidents performed at the Large-Scale Test Facility (LSTF) and the BETHSY test facility. Although differences appeared in design, scaling, and operation conditions among the IIST, LSTF, and BETHSY test facilities, the important physical phenomena shown in the facilities are almost the same. The physics involved in incident transient phenomena are well measured and modeled by showing the common thermal-hydraulic behavior of key parameters and the general consistency of chronological events. The results also confirm the adequacy of power-to-mass scaling methodology.

  4. The Effect of Magnetic Field on the Position of HTS Leads and theCooler in the Services Tower of the MICE Focusing Magnet

    SciTech Connect (OSTI)

    Green, M.A.; Yang, S.Q.; Cobb, J.; Lau, P.; Lau, W.W.; Witte,H.; Baynham, D.E.; Bradshaw, T.W.

    2007-08-27

    The MICE focusing solenoids have three 4 K coolers (two forthe superconducting magnet and one for the liquid absorber) and four HTSleads that feed the current to the focusing coils. The focusing solenoidsproduce large radial external fields when they operate with the polarityof the two coils in opposition (the gradient or flip mode). When the MICEfocusing coils operate at the same polarity (the solenoid or non-flipmode), the fields are much smaller and parallel to the axis of thesolenoid. The worst-case magnetic field affects the selection of thecooler and the HTS leads. This magnetic field can also determine theheight of the service towers that house the three coolers and the fourHTS leads. This paper shows the criteria used for Cooler selection, HTSlead selection, and the position of both the cooler and leads withrespect to the solenoid axis of rotation.

  5. Evaluation of WRF predicted near hub-height winds and ramp events over a Pacific Northwest site with complex terrain

    SciTech Connect (OSTI)

    Yang, Qing; Berg, Larry K.; Pekour, Mikhail S.; Fast, Jerome D.; Newsom, Rob K.; Stoelinga, Mark; Finley, Cathy

    2013-08-16

    The WRF model version 3.3 is used to simulate near hub-height winds and power ramps utilizing three commonly used planetary boundary-layer (PBL) schemes: Mellor-Yamada-Janji? (MYJ), University of Washington (UW), and Yonsei University (YSU). The predicted winds have small mean biases compared with observations. Power ramps and step changes (changes within an hour) consistently show that the UW scheme performed better in predicting up ramps under stable conditions with higher prediction accuracy and capture rates. Both YSU and UW scheme show good performance predicting up- and down- ramps under unstable conditions with YSU being slightly better for ramp durations longer than an hour. MYJ is the most successful simulating down-ramps under stable conditions. The high wind speed and large shear associated with low-level jets are frequently associated with power ramps, and the biases in predicted low-level jet explain some of the shown differences in ramp predictions among different PBL schemes. Low-level jets were observed as low as ~200 m in altitude over the Columbia Basin Wind Energy Study (CBWES) site, located in an area of complex terrain. The shear, low-level peak wind speeds, as well as the height of maximum wind speed are not well predicted. Model simulations with 3 PBL schemes show the largest variability among them under stable conditions.

  6. Formation of nickel germanide on SiO{sub 2}-capped n-Ge to lower its Schottky barrier height

    SciTech Connect (OSTI)

    Lin, Guangyang; Tang, Mengrao; Li, Cheng, E-mail: lich@xmu.edu.cn; Huang, Shihao; Lu, Weifang; Wang, Chen; Yan, Guangming; Chen, Songyan [Semiconductor Photonics Research Center, Department of Physics, Xiamen University, Xiamen, Fujian 361005 (China)] [Semiconductor Photonics Research Center, Department of Physics, Xiamen University, Xiamen, Fujian 361005 (China)

    2013-12-16

    In this Letter, NiGe/SiO{sub 2}/n-Ge ohmic contacts were demonstrated with Ge, rather than Ni, diffusion through the ion-implanted SiO{sub 2} films to form NiGe. The equivalent Schottky barrier height reduced from 0.58?eV for NiGe/n-Ge to ohmic contact. The anomalous diffusion behavior and accumulation of Ge in the SiO{sub 2} near the NiGe/SiO{sub 2} interface can be explained by vacancy-enhanced Ge diffusion. It is proposed that the presence of vacancies and Ge atoms embedded in the SiO{sub 2} layer play a significant role in the current enhancement by generation of multiple levels in the SiO{sub 2} band gap.

  7. Low resistance Ti Ohmic contacts to 4H-SiC by reducing barrier heights without high temperature annealing

    SciTech Connect (OSTI)

    Huang Lingqin; Liu Bingbing; Zhu Qiaozhi; Chen Suhua; Gao Mingchao; Wang Dejun [School of Electronic Science and Technology, Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024 (China); Qin Fuwen [State Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Ministry of Education), Dalian University of Technology, Dalian 116024 (China)

    2012-06-25

    Ti Ohmic contacts to relatively highly doped (1 Multiplication-Sign 10{sup 18} cm{sup -3}) n-type 4H-SiC have been produced, without high temperature annealing, by means of low temperature electronic cyclotron resonance microwave hydrogen plasma pre-treatment (HPT) of the SiC surface. The as-deposited Ti/4H-SiC contacts show Ohmic properties, and the specific contact resistance obtained is as low as 2.07 Multiplication-Sign 10{sup -4}{Omega}{center_dot}cm{sup 2} after annealing at low temperatures (400 Degree-Sign C). This is achieved by low barrier height at Ti/SiC interface, which could be attributed to decrease of surface states density by the HPT releasing Fermi level pinning, and to band-gap narrowing, image-force, and thermionic-field emission at high doping.

  8. Barrier height of Pt-In{sub x}Ga{sub 1-x}N (0{<=}x{<=}0.5) nanowire Schottky diodes

    SciTech Connect (OSTI)

    Guo Wei; Banerjee, Animesh; Zhang Meng; Bhattacharya, Pallab

    2011-05-02

    The barrier height of Schottky diodes made on In{sub x}Ga{sub 1-x}N nanowires have been determined from capacitance-voltage measurements. The nanowires were grown undoped on n-type (001) silicon substrates by plasma-assisted molecular beam epitaxy. The length, diameter and density of the nanowires are {approx}1 {mu}m, 20 nm, and 1x10{sup 11} cm{sup -2}. The Schottky contact was made on the top surface of the nanowires with Pt after planarizing with parylene. The measured barrier height {Phi}{sub B} varies from 1.4 eV (GaN) to 0.44 eV (In{sub 0.5}Ga{sub 0.5}N) and agrees well with the ideal barrier heights in the Schottky limit.

  9. Arthur Heights Baldwin City

    E-Print Network [OSTI]

    Hesston Hiattville Hickok Highland Park Hilford Hill City Hilldale Hilldale South Hoag Hog Back Hoge Industry Ingalls Inman Iola Jarbalo Jefferson Junction City Kanorado Kansas City Kansas Falls Kanwaka Keats Mertz Michigan Valley Middletown Midian Midland Park Midway Milford Millerton Milton Mineral Springs

  10. Comparison of Mixed Layer Heights from Airborne High Spectral Resolution Lidar, Ground-based Measurements, and the WRP-Chem Model during CalNex and CARES

    SciTech Connect (OSTI)

    Scarino, Amy Jo; Obland, Michael; Fast, Jerome D.; Burton, S. P.; Ferrare, R. A.; Hostetler, Chris A.; Berg, Larry K.; Lefer, Barry; Haman, C.; Hair, John; Rogers, Ray; Butler, Carolyn; Cook, A. L.; Harper, David

    2014-06-05

    The California Research at the Nexus of Air Quality and Climate Change (CalNex) and Carbonaceous Aerosol and Radiative Effects Study (CARES) field campaigns during May and June 2010 provided a data set appropriate for studying characteristics of the planetary boundary layer (PBL). The NASA Langley Research Center (LaRC) airborne High Spectral Resolution Lidar (HSRL) was deployed to California onboard the NASA LaRC B-200 aircraft to aid incharacterizing aerosol properties during these two field campaigns. Measurements of aerosol extinction (532 nm), backscatter (532 and 1064 nm), and depolarization (532 and 1064 nm) profiles during 31 flights, many in coordination with other research aircraft and ground sites, constitute a diverse data set for use in characterizing the spatial and temporal distribution of aerosols, as well as the depth and variability of the daytime mixed layer (ML), which is a subset within the PBL. This work illustrates the temporal and spatial variability of the ML in the vicinity of Los Angeles and Sacramento, CA. ML heights derived from HSRL measurements are compared to PBL heights derived from radiosonde profiles, ML heights measured from ceilometers, and simulated PBL heights from the Weather Research and Forecasting Chemistry (WRF-Chem) community model. Comparisons between the HSRL ML heights and the radiosonde profiles in Sacramento result in a correlation coefficient value (R) of 0.93 (root7 mean-square (RMS) difference of 157 m and bias difference (HSRL radiosonde) of 5 m). HSRL ML heights compare well with those from the ceilometer in the LA Basin with an R of 0.89 (RMS difference of 108 m and bias difference (HSRL Ceilometer) of -9.7 m) for distances of up to 30 km between the B-200 flight track and the ceilometer site. Simulated PBL heights from WRF-Chem were compared with those obtained from all flights for each campaign, producing an R of 0.58 (RMS difference of 604 m and a bias difference (WRF-Chem HSRL) of -157 m) for CalNex and 0.59 (RMS difference of 689 m and a bias difference (WRF-Chem HSRL) of 220 m) for CARES. Aerosol backscatter simulations are also available from WRF15 Chem and are compared to those from HSRL to examine differences among the methods used to derive ML heights.

  11. Effects of surface properties on barrier height and barrier inhomogeneities of platinum contacts to n-type 4H-SiC

    SciTech Connect (OSTI)

    Huang Lingqin; Li Shijuan; Wang Dejun [School of Electronic Science and Technology, Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024 (China); Qin Fuwen [State Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Ministry of Education), Dalian University of Technology, Dalian 116024 (China)

    2013-07-15

    We investigated the Schottky barrier of Pt/4H-SiC contact as a function of 4H-SiC surface properties which effectively controlled by electronic cyclotron resonance hydrogen plasma pretreatment for different periods and annealing. It is found that the effective barrier height monotonically increases with decreasing the degree of Fermi level pinning. Electrically homogeneous contacts are observed when the Fermi level (FL) is 'pinned (Bardeen limit)' and 'free-pinned (Schottky limit).' However, a partial pinning of FL leads to Gaussian distribution of inhomogeneous barrier height. These results could be correlated with changes in the magnitude and spatial distribution of surface state density after different pretreatments.

  12. Indoor air pollution from portable kerosene-fired space heaters. [Effects of wick height and fuel consumption rate

    SciTech Connect (OSTI)

    Traynor, G.W.; Apte, M.G.; Dillworth, J.F.; Grimsrud, D.T.

    1983-02-01

    Indoor use of unvented combustion appliances is known to cause an increase in indoor air pollutant levels. Laboratory tests were conducted on radiant and convective portable kerosene-fired space heaters to identify the pollutants they emit and to determine their emission rates. Laboratory-derived CO and NO/sub 2/ emission rates from unvented portable kerosense-fired space heaters are summarized and the effect of wick height and fuel consumption rate on CO and NO/sub 2/ emissions is given. Pollutant concentration profiles resulting from the use of kerosene heaters in a 27m/sup 3/ environmental chamber and a 240m/sup 3/ house are presented. When such heaters are operated for one hour in a 27m/sup 3/ chamber with 0.4 air changes per hour, the resultant CO/sub 2/ concentrations are well above the U.S. occupational standard, and NO/sub 2/ concentrations are well above California's short-term outdoor standard. Further data on parameters such as heater usage patterns and air exchange rates are needed to determine the actual pollutant exposure that kerosene heater users experience.

  13. Effects of Terrain Heights and Sizes on Island-Scale Circulations and Rainfall for the Island of Hawaii during HaRP

    E-Print Network [OSTI]

    Chen, Yi-Leng

    of Hawaii during HaRP YANG YANG AND YI-LENG CHEN Department of Meteorology, SOEST, University of Hawaii at Manoa, Honolulu, Hawaii (Manuscript received 9 August 2006, in final form 23 April 2007) ABSTRACT Islands in Hawaii have different sizes and terrain heights with notable differences in climate and weather

  14. Radiation May Indirectly Impair Growth Resulting in Reduced Standing Height via Subclinical Inflammation in Atomic-Bomb Survivors Exposed at Young Ages

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

    Nakashima, Eiji; Neriishi, Kazuo; Hsu, Wan-Ling

    2015-01-01

    For young atomic-bomb (A-bomb) survivors, A-bomb radiation’s (total) effect on standing height is thought to comprise the sum of direct effect and indirect effect via inflammation. With the data of five inflammatory markers—white blood cell count, sialic acid, corrected erythrocyte sedimentation rate (ESR), ? 1 globulin, and ? 2 globulin—obtained in adulthood during the period 1988 to 1992, a summary inflammatory index was constructed as a surrogate for the five subclinical inflammatory markers. For 3,327 A-bomb survivors exposed at ages of less than 25 years, a structural equation modelmore »was analyzed to measure direct radiation effects on adult height as well as mediating effect of radiation via inflammation on the height after adjustment for other risk factors, smoking, cancer, inflammatory disease, obesity, and diabetes mellitus. The mediation proportion of the radiation effect on height via inflammation was approximately 5% for both sexes for all ages, and indirect dose effects via inflammation were statistically significant for both sexes combined and for females exposed at ages 0 to 5 years. Indirect dose effects for all ages via sialic acid, corrected ESR, and ? 2 globulin were marginally significant for both sexes combined and for females. These proportions are likely underestimated. « less

  15. Energy Conversion in Lifting Mass Vertically using a DC Electric Motor by Observing Required Time to Lift Object for a Certain Height

    E-Print Network [OSTI]

    Viridi, Sparisoma; Permana, Sidik; Srigutomo, Wahyu; Susilawati, Anggie; Nuryadin, Bebeh Wahid; Nurhasan,

    2014-01-01

    In lifting mass vertically using a DC electric motor energy conversion from electric energy, through intermediate kinetic energy, to gravitation potential energy shows that time required {\\Delta}t to lift load mass m for height h is dependent quadratically to m. Several approaches to explain the experiment observation are discussed in this work, from ideal energy conversion to numerical solution from differential equation.

  16. Tax Credits, Rebates & Savings | Department of Energy

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

    be at least 110% of the maximum height of the tower away from any property line or public road. Towers must be at least 1,000 feet from residential dwelling or occupied......

  17. Solar Updraft TowersSolar Updraft Towers Presentation 5

    E-Print Network [OSTI]

    Prevedouros, Panos D.

    How it Works Design is based on three well- known thermal principles: 1. The use of the sun's radiation to heat Size of the Collector Area With a larger collector area, a greater volume of air is warmed to flow up the chimney; collector areas as large as 7 km in diameter have been consideredhave been considered Chimney

  18. Strong Links Between Teleconnections and Ecosystem Exchange Found at a Pacific Northwest Old-Growth Forest from Flux Tower and MODIS EVI Data

    SciTech Connect (OSTI)

    Wharton, S; Chasmer, L; Falk, M; Paw U, K T

    2009-03-12

    Variability in three Pacific teleconnection patterns are examined to see if net carbon exchange at a low-elevation, old-growth forest is affected by climatic changes associated with these periodicities. Examined are the Pacific Decadal Oscillation (PDO), Pacific/North American Oscillation (PNA) and El Nino-Southern Oscillation (ENSO). We use nine years of eddy covariance CO{sub 2}, H{sub 2}O and energy fluxes measured at the Wind River AmeriFlux site, Washington, USA and eight years of tower-pixel remote sensing data from the Moderate Resolution Imaging Spectroradiometer (MODIS) to address this question. We compute a new Composite Climate Index (CCI) based on the three Pacific Oscillations to divide the measurement period into positive- (2003 and 2005), negative- (1999 and 2000) and neutral-phase climate years (2001, 2002, 2004, 2006 and 2007). The forest transitioned from an annual net carbon sink (NEP = + 217 g C m{sup -2} year{sup -1}, 1999) to a source (NEP = - 100 g C m{sup -2} year{sup -1}, 2003) during two dominant teleconnection patterns. Net ecosystem productivity (NEP), water use efficiency (WUE) and light use efficiency (LUE) were significantly different (P < 0.01) during positive (NEP = -0.27 g C m{sup -2} day{sup -1}, WUE = 4.1 mg C/g H{sub 2}O, LUE = 0.94 g C MJ{sup -1}) and negative (NEP = +0.37 g C m{sup -2} day{sup -1}, WUE = 3.4 mg C/g H{sub 2}O, LUE = 0.83 g C MJ{sup -1}) climate phases. The CCI was linked to variability in the MODIS Enhanced Vegetation Index (EVI) but not to MODIS Fraction of absorbed Photosynthetically Active Radiation (FPAR). EVI was highest during negative climate phases (1999 and 2000) and was positively correlated with NEP and showed potential for using MODIS to estimate teleconnection-driven anomalies in ecosystem CO{sub 2} exchange in old-growth forests. This work suggests that any increase in the strength or frequency of ENSO coinciding with in-phase, low frequency Pacific oscillations (PDO and PNA) will likely increase CO{sub 2} uptake variability in Pacific Northwest conifer forests.

  19. Carillon Studio Recital Century Tower

    E-Print Network [OSTI]

    Dranishnikov, Alexander

    Dutch Bell Foundry) of Asten, The Netherlands. The bronze bells were tuned at the foundry by carefully

  20. Partial View of Cooling Tower 

    E-Print Network [OSTI]

    Unknown

    2011-08-17

    Current advances in semiconductor manufacturing have brought about an increasing use of thermoelectricity in a variety of applications. Most of these applications, however, have involved the steady state application of ...

  1. Cooling Tower Energy Conservation Optimization 

    E-Print Network [OSTI]

    Burger, R.

    1985-01-01

    Energy conservation strategies involve more than examination of fan horsepower. Colder water and pumping head provide vast savings potentials. What is dollar value of 1°F in your process? What is dollar cost of pumping water to distribution system...

  2. REMOTE INTERVENTION TOWER ELIMINATION SYSTEM

    SciTech Connect (OSTI)

    Dave Murnane; Renauld Washington

    2002-02-15

    This Topical Report is presented to satisfy reporting requirements in the Statement of work section J.5 page 120 per Department of Energy contract DE-AC26-01NT41093. The project does not contain any imperial research data. This report describes the assembly of Commercial off the shelf (COTS) items configured in a unique manner to represent new and innovative technology in the service of size reduction and material handling at DOE sites, to assist in the D&D effort currently underway at the designated DOE Facilities.

  3. Power Tower | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCED MANUFACTURINGEnergy Bills andOrder 422.1,anEnergyDepartmentSystems

  4. How to Build a Tower

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room NewsInformation CurrentHenry Bellamy, Ph.D.Food Drive HolidayHoursa Wind Turbine

  5. Chemical composition, microstructure, and hygroscopic properties of aerosol particles at the Zotino Tall Tower Observatory (ZOTTO), Siberia, during a summer campaign

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

    Mikhailov, E. F.; Mironov, G. N.; Pöhlker, C.; Chi, X.; Krüger, M. L.; Shiraiwa, M.; Förster, J. -D.; Pöschl, U.; Vlasenko, S. S.; Ryshkevich, T. I.; et al

    2015-03-16

    In this study we describe the hygroscopic properties of accumulation- and coarse-mode aerosol particles sampled at the Zotino Tall Tower Observatory (ZOTTO) in Central Siberia (61° N; 89° E) from 16 to 21 June 2013. The hygroscopic growth measurements were supplemented with chemical analyses of the samples, including inorganic ions and organic/elemental carbon. In addition, the microstructure and chemical composition of aerosol particles were analyzed by X-ray micro-spectroscopy (STXM-NEXAFS) and transmission electron microscopy (TEM). A mass closure analysis indicates that organic carbon accounted for 61 and 38% of PM in the accumulation mode and coarse mode, respectively. The water solublemore »fraction of organic matter was estimated to be 52 and 8% of PM in these modes. Sulfate, predominantly in the form of ammoniated sulfate, was the dominant inorganic component in both size modes: ~ 34% in the accumulation vs. ~ 47% in the coarse mode. The hygroscopic growth measurements were conducted with a filter-based differential hygroscopicity analyzer (FDHA) over the range of 5–99.4% RH in the hydration and dehydration operation modes. The FDHA study indicates that both accumulation and coarse modes exhibit pronounced water uptake approximately at the same RH, starting at ~ 70%, while efflorescence occurred at different humidities, i.e., at ~ 35% RH for submicron particles vs. ~ 50% RH for supermicron particles. This ~ 15% RH difference was attributed to higher content of organic material in the submicron particles, which suppresses water release in the dehydration experiments. The kappa mass interaction model (KIM) was applied to characterize and parameterize non-ideal solution behavior and concentration-dependent water uptake by atmospheric aerosol samples in the 5–99.4% RH range. Based on KIM, the volume-based hygroscopicity parameter, ?v, was calculated. The ?v, ws value related to the water soluble (ws) fraction was estimated to be ~ 0.15 for the accumulation mode and ~ 0.36 for the coarse mode, respectively. The obtained ?v, ws for the accumulation mode is in good agreement with earlier data reported for remote sites in the Amazon rain forest (?v ≈ 0.15) and a Colorado boreal forest (?v ≈ 0.16). We used the Zdanovskii–Stokes–Robinson (ZSR) mixing rule to predict the chemical composition dependent hygroscopicity, ?v, p. The obtained ?v, p values overestimate the experimental FDHA-KIM-derived ?v, ws by factors of 1.8 and 1.5 for the accumulation and coarse modes, respectively. This divergence can be partly explained by incomplete dissolution of the hygroscopic inorganic compounds resulting from kinetic limitations due to a sparingly soluble organic coating. The TEM and STXM-NEXAFS results indicate that aged submicron (>300 nm) and supermicron aerosol particles possess core-shell structures with an inorganic core, and are enriched in organic carbon at the mixed particle surface. The direct FDHA kinetic studies provide a bulk diffusion coefficient of water of ~ 10?12 cm2 s?1 indicating a semi-solid state of the organic-rich phase leading to kinetic limitations of water uptake and release during hydration and dehydration cycles. Overall the present ZOTTO data set, obtained in the growing season, has revealed a strong influence of organic carbon on the hygroscopic properties of the ambient aerosols. The sparingly soluble organic coating controls hygroscopic growth, phase transitions, and microstructural rearrangement processes. The observed kinetic limitations can strongly influence the outcome of experiments performed on multi-second time scales, such as the commonly applied HTDMA (Hygroscopicity Tandem Differential Mobility Analyzer) and CCNC (Cloud Condensation Nuclei Counter) measurements.« less

  6. Analysis of mixing layer heights inferred from radiosonde, wind profiler, airborne lidar, airborne microwave temperature profiler, and in-situ aircraft data during the Texas 2000 air quality study in Houston, TX 

    E-Print Network [OSTI]

    Smith, Christina Lynn

    2005-08-29

    The mixing layer (ML) heights inferred from radiosondes, wind profilers, airborne lidar, airborne microwave temperature profiler (MTP), and in-situ aircraft data were compared during the Texas 2000 Air Quality Study in the Houston area...

  7. EMISSION HEIGHT AND TEMPERATURE DISTRIBUTION OF WHITE-LIGHT EMISSION OBSERVED BY HINODE/SOT FROM THE 2012 JANUARY 27 X-CLASS SOLAR FLARE

    SciTech Connect (OSTI)

    Watanabe, Kyoko; Shimizu, Toshifumi [Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210 (Japan); Masuda, Satoshi [Solar-Terrestrial Environment Laboratory, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601 (Japan); Ichimoto, Kiyoshi [Kwasan and Hida Observatories, Kyoto University, Yamashina, Kyoto 607-8471 (Japan); Ohno, Masanori, E-mail: watanabe.kyoko@isas.jaxa.jp [Department of Physical Sciences, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8516 (Japan)

    2013-10-20

    White-light emissions were observed from an X1.7 class solar flare on 2012 January 27, using three continuum bands (red, green, and blue) of the Solar Optical Telescope on board the Hinode satellite. This event occurred near the solar limb, and so differences in the locations of the various emissions are consistent with differences in heights above the photosphere of the various emission sources. Under this interpretation, our observations are consistent with the white-light emissions occurring at the lowest levels of where the Ca II H emission occurs. Moreover, the centers of the source regions of the red, green, and blue wavelengths of the white-light emissions are significantly displaced from each other, suggesting that those respective emissions are emanating from progressively lower heights in the solar atmosphere. The temperature distribution was also calculated from the white-light data, and we found the lower-layer emission to have a higher temperature. This indicates that high-energy particles penetrated down to near the photosphere, and deposited heat into the ambient lower layers of the atmosphere.

  8. Still, the problem, says Porteus, is that the work is so challenging that you have to

    E-Print Network [OSTI]

    Mencuccini, Maurizio

    in the world would shade the Brooklyn Bridge. Moved to Pisa, it would be twice the height of the Leaning Tower

  9. Step edge influence on barrier height and contact area in vertical heterojunctions between epitaxial graphene and n-type 4H-SiC

    SciTech Connect (OSTI)

    Tadjer, M. J., E-mail: marko.tadjer.ctr@nrl.navy.mil; Nyakiti, L. O.; Robinson, Z. [American Society for Engineering Education, Washington, DC 20036 (United States); Anderson, T. J.; Myers-Ward, R. L.; Wheeler, V. D.; Eddy, C. R.; Gaskill, D. K.; Koehler, A. D.; Hobart, K. D.; Kub, F. J. [U.S. Naval Research Laboratory, 4555 Overlook Ave, SW, Washington, DC 20375 (United States)

    2014-02-17

    Vertical rectifying contacts of epitaxial graphene grown by Si sublimation on the Si-face of 4H-SiC epilayers were investigated. Forward bias preferential conduction through the step edges was correlated by linear current density normalization. This phenomenon was observed on samples with 2.7–5.8 monolayers of epitaxial graphene as determined by X-ray photoelectron spectroscopy. A modified Richardson plot was implemented to extract the barrier height (0.81?eV at 290?K, 0.99?eV at 30?K) and the electrically dominant SiC step length of a Ti/Al contact overlapping a known region of approximately 0.52??m wide SiC terraces.

  10. Contradictory saltation height measurements and

    E-Print Network [OSTI]

    . Sedimentology 34:289­299. 3. Andreotti B (2004) A two-species model of aeolian sand transport. J Fluid Mech 510

  11. ARM - Measurement - Cloud base height

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Comments?govInstrumentsnoaacrnBarrow, Alaska Outreach Home Roomparticle size distributionconcentration ARMbase

  12. ARM - Measurement - Cloud top height

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Comments?govInstrumentsnoaacrnBarrow, Alaska Outreach Home Roomparticle sizefraction ARM Datasize

  13. The relationship of teacher perceptions of the impact of technology integration on Texas Assessment of Knowledge and Skills (TAKS) scores of 9th-11th grade students at Alamo Heights Independent School District, San Antonio, Texas 

    E-Print Network [OSTI]

    Alfaro, Frank Eduardo

    2008-10-10

    OF THE IMPACT OF TECHNOLOGY INTEGRATION ON TEXAS ASSESSMENT OF KNOWLEDGE AND SKILLS (TAKS) SCORES OF 9th-11th GRADE STUDENTS AT ALAMO HEIGHTS INDEPENDENT SCHOOL DISTRICT, SAN ANTONIO, TEXAS A Record of Study by FRANK EDUARDO ALFARO Submitted to the Office... ON TEXAS ASSESSMENT OF KNOWLEDGE AND SKILLS (TAKS) SCORES OF 9th-11th GRADE STUDENTS AT ALAMO HEIGHTS INDEPENDENT SCHOOL DISTRICT, SAN ANTONIO, TEXAS A Record of Study by FRANK EDUARDO ALFARO Submitted to the Office of Graduate Studies of Texas A...

  14. Heights integrated model as instrument for simulation of hydrodynamic, radiation transport, and heat conduction phenomena of laser-produced plasma in EUV applications.

    SciTech Connect (OSTI)

    Sizyuk, V.; Hassanein, A.; Morozov, V.; Sizyuk, T.; Mathematics and Computer Science

    2007-01-16

    The HEIGHTS integrated model has been developed as an instrument for simulation and optimization of laser-produced plasma (LPP) sources relevant to extreme ultraviolet (EUV) lithography. The model combines three general parts: hydrodynamics, radiation transport, and heat conduction. The first part employs a total variation diminishing scheme in the Lax-Friedrich formulation (TVD-LF); the second part, a Monte Carlo model; and the third part, implicit schemes with sparse matrix technology. All model parts consider physical processes in three-dimensional geometry. The influence of a generated magnetic field on laser plasma behavior was estimated, and it was found that this effect could be neglected for laser intensities relevant to EUV (up to {approx}10{sup 12} W/cm{sup 2}). All applied schemes were tested on analytical problems separately. Benchmark modeling of the full EUV source problem with a planar tin target showed good correspondence with experimental and theoretical data. Preliminary results are presented for tin droplet- and planar-target LPP devices. The influence of three-dimensional effects on EUV properties of source is discussed.

  15. Meteorological monitoring at LANL and the LANL weather machine

    SciTech Connect (OSTI)

    Baars, J. [Los Alamos National Laboratory, NM (United States)

    1996-12-31

    The meteorological monitoring program at Los Alamos National Laboratory (LANL) consists of four main components: measurements, analysis, modeling, and data management. Measurements are conducted continuously across a network of towers and other measurement stations. The current network includes four meteorological towers on the Pajarito Plateau, one tower in Los Alamos Canyon, three additional precipitation stations, and one monostatic Doppler SODAR. The towers on the plateau range in height from 46 to 92 m, and the canyon tower is 23 m high. The mean spacing of the plateau towers is {approximately}7 km, so potential sources are never more than 3.5 km from a wind measurement site.

  16. Spatiotemporal Monte Carlo transport methods in x-ray semiconductor detectors: Application to pulse-height spectroscopy in a-Se

    SciTech Connect (OSTI)

    Fang Yuan; Badal, Andreu; Allec, Nicholas; Karim, Karim S.; Badano, Aldo

    2012-01-15

    Purpose: The authors describe a detailed Monte Carlo (MC) method for the coupled transport of ionizing particles and charge carriers in amorphous selenium (a-Se) semiconductor x-ray detectors, and model the effect of statistical variations on the detected signal. Methods: A detailed transport code was developed for modeling the signal formation process in semiconductor x-ray detectors. The charge transport routines include three-dimensional spatial and temporal models of electron-hole pair transport taking into account recombination and trapping. Many electron-hole pairs are created simultaneously in bursts from energy deposition events. Carrier transport processes include drift due to external field and Coulombic interactions, and diffusion due to Brownian motion. Results: Pulse-height spectra (PHS) have been simulated with different transport conditions for a range of monoenergetic incident x-ray energies and mammography radiation beam qualities. Two methods for calculating Swank factors from simulated PHS are shown, one using the entire PHS distribution, and the other using the photopeak. The latter ignores contributions from Compton scattering and K-fluorescence. Comparisons differ by approximately 2% between experimental measurements and simulations. Conclusions: The a-Se x-ray detector PHS responses simulated in this work include three-dimensional spatial and temporal transport of electron-hole pairs. These PHS were used to calculate the Swank factor and compare it with experimental measurements. The Swank factor was shown to be a function of x-ray energy and applied electric field. Trapping and recombination models are all shown to affect the Swank factor.

  17. Feasibility Study of Economics and Performance of Solar Photovoltaics at the Tower Road Site in Aurora, Colorado. A Study Prepared in Partnership with the Environmental Protection Agency for the RE-Powering America's Land Initiative: Siting Renewable Energy on Potentially Contaminated Land and Mine Sites

    SciTech Connect (OSTI)

    Van Geet, O.; Mosey, G.

    2013-03-01

    The U.S. Environmental Protection Agency (EPA), in accordance with the RE-Powering America's Land initiative, selected the Tower Road site in Aurora, Colorado, for a feasibility study of renewable energy production. The National Renewable Energy Laboratory (NREL) provided technical assistance for this project. The purpose of this report is to assess the site for a possible photovoltaic (PV) system installation and estimate the cost, performance, and site impacts of different PV options. In addition, the report recommends financing options that could assist in the implementation of a PV system at the site. This study did not assess environmental conditions at the site.

  18. CSP Tower Air Brayton Combustor (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2012-09-01

    Southwest Research Institute is one of the 2012 SunShot CSP R&D awardees for their advanced power cycles. This fact sheet explains the motivation, description, and impact of the project.

  19. Sunday, November 16, 2014 Century Tower

    E-Print Network [OSTI]

    Dranishnikov, Alexander

    irm of Koninklijke Eijsbouts (Royal Dutch Bell Foundry) of Asten, The Netherlands. The bronze bells were tuned at the foundry by carefully shaving metal

  20. Brayton Cycle Baseload Power Tower CSP System

    Broader source: Energy.gov [DOE]

    This presentation was delivered at the SunShot Concentrating Solar Power (CSP) Program Review 2013, held April 23–25, 2013 near Phoenix, Arizona.

  1. The tower : transformation of a precedent

    E-Print Network [OSTI]

    Cross, Elizabeth Ann

    1982-01-01

    The link between the study of what one sees around him and the use of that stored information is an important part of the design process. That information includes a sundry of historical facts which are presented in the ...

  2. David Hume Tower George Square, Edinburgh

    E-Print Network [OSTI]

    Edinburgh, University of

    into Windmill Lane, through the car park gate and down to the back door of the basement. Bus stops on Buccleuch Street are approximately 250yards from Windmill Lane. Persons with mobility difficulties

  3. Unfolding Manhattan Towers 1 Mirela Damian a

    E-Print Network [OSTI]

    O'Rourke, Joseph

    for this class of shapes, we prove (Theorem 2) that there is a 4 × 5 × 1 grid unfolding. Our algorithm peels off along edges of a 4×5×1 refinement of the vertex grid. Key words: Unfolding, orthogonal, genus]; and secondly, by generalizing the cuts beyond edges but with some restrictions. In particular, a grid unfolding

  4. Tile for Ceramic Cooling Tower Test 

    E-Print Network [OSTI]

    Unknown

    2011-08-17

    In this study ceramics are used to study acculturation at two Spanish colonial sites in Texas. The sites are the Mission Nuestra Senora del Espiritu Santo de Zuniga and the Presidio Nuestra Senora de Loreto. Spanish sites provide us...

  5. Strategies in tower solar power plant optimization

    E-Print Network [OSTI]

    Ramos, A

    2012-01-01

    A method for optimizing a central receiver solar thermal electric power plant is studied. We parametrize the plant design as a function of eleven design variables and reduce the problem of finding optimal designs to the numerical problem of finding the minimum of a function of several variables. This minimization problem is attacked with different algorithms both local and global in nature. We find that all algorithms find the same minimum of the objective function. The performance of each of the algorithms and the resulting designs are studied for two typical cases. We describe a method to evaluate the impact of design variables in the plant performance. This method will tell us what variables are key to the optimal plant design and which ones are less important. This information can be used to further improve the plant design and to accelerate the optimization procedure.

  6. Cooling Towers, The Neglected Energy Resource 

    E-Print Network [OSTI]

    Burger, R.

    1985-01-01

    their functions and shows how to upgrade them in the real world for energy savings and profitability of operation....

  7. Hydraulic Cooling Tower Driver- The Innovation 

    E-Print Network [OSTI]

    Dickerson, J. A.

    1987-01-01

    -drive eliminates these items from the drive train and puts the same electric motor HP at ground level close coupled to a hydraulic pump, filters, and oil reservoir. Hydraulic lines bring oil pressure to the hydraulic motor, which is more than 75% less weight than...

  8. CXAllenRadioTower2.pdf

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 OutreachProductswsicloudwsiclouddenDVA N C E D B LReports from the CloudGEGR-N Goods POCTBT |CUD-55 /Allen Radio

  9. Advanced Tower Analysis and Design System

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room News Publications Traditional Knowledge KiosksAboutHelp &AdvancedAdvanced

  10. ARM - Campaign Instrument - aerosol-tower-eml

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfateSciTechtail.TheoryTuesday, August 10,govInstrumentsaerosmassspec Comments? We would love to

  11. Side Stream Filtration for Cooling Towers

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCED MANUFACTURINGEnergy BillsNo.Hydrogen4 » Searchwith Ultra-DeepwaterShutting the Door onSide

  12. Radio Towers Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EA EIS Report UrlNM-b < RAPID‎ |RENERCO RenewableRGSRadarEnergyRadio

  13. Towering Cumulus Stage Mature Stage Dissipating Stage

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power AdministrationRobust,Field-effectWorking With U.S.Week DayDr.Theories81Towards HeavyCoupled Earth System

  14. Microsoft Word - Cooling Tower Report.doc

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterested Parties - WAPAEnergy May2.doc MicrosoftMicrosoft Word1 FINDING OFJune 29,

  15. American Tower Company | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LIST OFAMERICA'S FUTURE.EnergyWoodenDateSA JumpSolar PV JumpControlEnergyCompany

  16. China Solar Tower Development | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LIST OFAMERICA'SHeavy Electricals Ltd BHEL JumpCMNACelt PowerWind PowerAntecedence

  17. Stochastic and mesoscopic models for tropical convection

    E-Print Network [OSTI]

    Majda, Andrew J.

    Courant Institute of Mathematical Sciences and Center for Atmosphere and Ocean Sciences, New York penetrative convection to heights of 5­10 km with associated anvil towers of clouds. Observational data

  18. Jamestown-Tower folio, Jamestown, Eckelson, and Tower quadrangles, North Dakota 

    E-Print Network [OSTI]

    Willard, Daniel E. (Daniel Everett), b. 1862.

    1909-01-01

    The "S5", "T" and "U1" sands, traditionally described as part of the lower section of the "Oficina" Formation, and the "U2" sand, as part of the upper interval of the "Merecure" Formation, contain the largest oil remaining reserves of the Leona Este...

  19. Cooling Towers: Understanding Key Components of Cooling Towers and How to Improve Water Efficiency

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum Based Fuels|ProgramsLakeDepartment ofof Energy Test andExternalSource: Paul

  20. Cooling Towers: Understanding Key Components of Cooling Towers and How to

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergyTher i n c i p aDepartmentEnergy comparingDeep JanuaryDepartmentSpendingSo

  1. Vantage Pomona Heights | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEt Al.,Turin, NewArkansas: Energy Resources Jump to:WertVanderburghPomona

  2. Bronx Community College University Heights Campus

    E-Print Network [OSTI]

    Rosen, Jay

    and Library, designed by Robert A.M. Stern. What follows comes from the college's National Historic Landmark spacious and architecturally unified campus followed important design trends for academic institutions, the Gould Memorial Library, Hall of Languages, Hall of Philosophy, and Havemeyer Laboratory comprise

  3. NEW HEIGHTS A Handbook for Developing

    E-Print Network [OSTI]

    Christiansen Richard Elliot Julia Gardner Annie-France Gravel Robert Hélie Kirk Johnstone Gary Kofinas Dennis

  4. ORDER IDEALS AND A GENERALIZED KRULL HEIGHT ...

    E-Print Network [OSTI]

    ra nk o n e di sc re t e v alu a t io n ri ngV , w e h a v eS¢ '=L' , wh ere ' de n o t e s t e ns ori ng w i thV a n d t a k i ng i m a g e s i nV ®r G . Let R be a Noetherian ...

  5. Genetically Determined Height and Coronary Artery Disease

    E-Print Network [OSTI]

    Nelson, Christopher P.; Hamby, Stephen E.; Saleheen, Danish; Hopewell, Jenna C.; Zeng, Lingyao; Assimes, Themistocles L.; Kanoni, Stavroula; Willenborg, Christina; Burgess, Stephen; Amouyel, Philippe; Anand, Sonia; Blankenberg, Stefan; Boehm, Bernhard O.; Clarke, Robert J.; Collins, Rory; Dedoussis, George; Farrall, Martin; Franks, Paul W.; Groop, Leif; Hall, Alistair S.; Hamsten, Anders; Hengstenberg, Christian; Hovingh, G. Kees; Ingelsson, Erik; Kathiresan, Sekar; Kee, Frank; König, Inke R.; Kooner, Jaspal; Lehtimäki, Terho; März, Winifred; McPherson, Ruth; Metspalu, Andres; Nieminen, Markku S.; O'Donnell, Christopher J.; Palmer, Colin N.A.; Peters, Annette; Perola, Markus; Reilly, Muredach P.; Ripatti, Samuli; Roberts, Robert; Salomaa, Veikko; Shah, Svati H.; Schreiber, Stefan; Siegbahn, Agneta; Thorsteinsdottir, Unnur; Veronesi, Giovani; Wareham, Nicholas J.; Willer, Cristen J.; Zalloua, Pierre A.; Erdmann, Jeanette; Deloukas, Panos; Watkins, Hugh; Schunkert, Heribert; Danesh, John; Thompson, John R.; Samani, Nilesh J.

    2015-04-23

    of Tampere, Tampere (T.L.), and the Division of Cardiology, Department of Medicine, Helsinki University Central Hospital (M.S.N.), Department of Chronic Disease Prevention, National Institute for Health and Welfare (M.P., V.S.), and Hjelt Institute The New...

  6. Modelling height development of mature Nothofagus obliqua

    E-Print Network [OSTI]

    García, Oscar

    Columbia, 3333 University Way, Prince George, B. C., Canada V2N 4Z9 Abstract We used stem-analysis data

  7. Property:Height (m) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo,AltFuelVehicle2 Jump to: navigation, search ThisHeadquartersState Jump to:HeatRate

  8. ARM - Measurement - Planetary boundary layer height

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Comments?govInstrumentsnoaacrnBarrow, Alaska Outreach Home Roomparticlecontentnumber concentration

  9. Providence Heights Wind Farm | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EA EIS Report Url JumpTechnology Jump to:CapabilitiesProvidence

  10. Inferring middle atmospheric ozone height profiles from ground-based measurements of molecular oxygen emission rates. 2. Comparison with O[sub 2]([sup 1][Delta][sub g])(0,1) band measurements at sunset

    SciTech Connect (OSTI)

    Sica, R.J.; Lowe, R.P. (Univ. of Western Ontario, London (Canada))

    1993-01-20

    The ability to routinely acquire measurements of the ozone density profile in the mesosphere and lower thermosphere is important for use in chemical-dynamical models of the middle atmosphere. Zenith measurements of the O[sub 2]([sup 1][Delta][sub g]) (0,1) band emission rate in the evening twilight were acquired near the spring equinox of 1982 with a Michelson interferometer from London, Ontario, Canada. Knowledge of the change of the O[sub 2]([sup 1][Delta][sub g])(0,1) band emission rate at twilight can be related directly to ozone density, since ozone destruction by sunlight is the primary source of O[sub 2]([sup 1][Delta][sub g]) in the atmosphere. Measurements and calculations have shown that a secondary peak in the ozone density often exists in the middle atmosphere. A model has been developed to infer the ozone profile in the middle atmosphere by simultaneously solving the time-dependent chemistry of the molecular oxygen atmospheric and atmospheric-IR bands and O(ID) during twilight. Calculations are presented which show the effect of a secondary peak in the ozone density at various heights on the O[sub 2]([sup 1][Delta][sub g]) (0,1) band emission rate during twilight. The model is used to demonstrate that the London measurements are consistent with an ozone profile with a secondary peak at 85-90 km. 17 refs., 7 figs.

  11. THE ROTATION OF THE WHITE LIGHT SOLAR CORONA AT HEIGHT 4 R{sub sun} FROM 1996 TO 2010: A TOMOGRAPHICAL STUDY OF LARGE ANGLE AND SPECTROMETRIC CORONAGRAPH C2 OBSERVATIONS

    SciTech Connect (OSTI)

    Morgan, Huw

    2011-09-10

    Solar rotational tomography is applied to Large Angle and Spectrometric Coronagraph (LASCO) C2/Solar and Heliospheric Observatory (SOHO) observations covering the period 1996-2010, resulting in a set of electron density maps at a height of 4 R{sub sun} from which rotation rates can be calculated. Large variation of rotation rates is measured. Rates are dominated by the Carrington rotation rate (14.18 deg d{sup -1} sidereal), but at times over the solar cycle, rates are measured between -3 and 3 deg d{sup -1} relative to the Carrington rotation rate. Rotation rates can vary considerably between latitudes, even between neighboring latitudes. They can remain relatively stable or change smoothly over long periods of times, or can change rather abruptly. There are periods for certain latitudes (for example, the equator at solar maximum) when the movement is dominated by rapid structural reconfiguration, not a coherent rotation. These results raise new questions regarding the link between the Sun and the corona, and provide fresh challenges to interpretations of the coronal structural evolution and the development of large-scale coronal models. In particular, can interchange reconnection provide an explanation of the considerable latitudinal differences in rotation rates, and what mechanism can explain abrupt changes in rotation rates?

  12. Variation of Solar Attenuation with Height in CAPLTER The atmosphere over rural and urbanized areas differs in many ways in relation to terrain influences and human-induced variations (e.g., heat, humidity, wind, and pollution). The sun's energy penetrate

    E-Print Network [OSTI]

    Hall, Sharon J.

    on amounts of solar energy that are accumulated at any given time. These controls range from extraterrestrial of variability cascade into plant productivity, solar energy technology, and urban climate processes, in generalVariation of Solar Attenuation with Height in CAPLTER Abstract The atmosphere over rural

  13. Tower City, North Dakota: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEt Al., 2013)OpenEnergy Facilities Biomass Facility Jump to:Tow

  14. Timber tower : a flexible fabrication method for reconfigurable housing

    E-Print Network [OSTI]

    Coleman, James (James Richard)

    2014-01-01

    "Prefabricating Housing...again", this time it's going to be different. Fabrication machine functionality is bracketed by the physical configuration and componentry of the system. Traditionally, a machine designer engineers ...

  15. A Regenerative High-Rise Tower in Shreveport, Louisiana 

    E-Print Network [OSTI]

    Garrison, M.

    2010-01-01

    headquarters building, the University of Texas at Austin School of Architecture completed architectural design studies for the building renewal. The principles of this new design include: day lighting, envelope configuration, building integrated photovoltaic...

  16. Wind, Thermal, and Earthquake Monitoring of the Watts Towers

    E-Print Network [OSTI]

    English, Jackson

    2013-01-01

    Reston, VA. Applied Geomechanics (2001). “Model   716-2  biaxial tiltmeter (model 716-2B) from Applied Geomechanics (Applied Geomechanics, 2001), which is accurate down to

  17. Biodiversity Governance: A Tower of Babel of Scales and Cultures

    E-Print Network [OSTI]

    Soberó n, Jorge; Peterson, A. Townsend

    2015-03-12

    - scape for the Convention on Biological Diversity (CBD) and other environmental multilateral agreements [8]. This task implies a large-scale scope of work. However, IPBES is now consider- ing “conceptual frameworks” (CFs) that will provide “a common... analytical basis . . . for all IPBES stakeholders” [7]. CFs appear to be intended to be applied at fine levels in the gover- nance hierarchy [9]. The document “Revised draft stakeholder engagement strategy” (still being reviewed by IPBES) explicitly mentions...

  18. Wind, Thermal, and Earthquake Monitoring of the Watts Towers

    E-Print Network [OSTI]

    English, Jackson

    2013-01-01

    Paradigm for Vibration-Based Structural Health Monitoring.Workshop on Structural Health Monitoring, Stanford, CA,Worden, K (2001) “Structural   Health   Monitoring   Using  

  19. ConcreteTowers for Onshore and OffshoreWind Farms

    E-Print Network [OSTI]

    McCalley, James D.

    systems, hovercraft, wave energy systems, wind turbine blades, strengthening techniques for structures in emerging materials, technologies and fields of engineering.These have included pre-fabricated building

  20. The plus construction, Postnikov towers and universal central module extensions

    E-Print Network [OSTI]

    Peschke, George

    , using universal properties of the fibration sequence AX X X+, we explain the contribution of nX to nX+, n+1X+ and nAX, n+1AX explicitly in terms of the low dimensional homology of nX regarded as a module the contribution of nX to nX+ and n+1X+ , for each n 2. Theorem A Let X be a connected CW complex. Applying

  1. CSP Tower Air Brayton Combustor- FY12 Q4

    Broader source: Energy.gov [DOE]

    This document summarizes the progress of this SWRI project, funded by SunShot, for the fourth quarter of fiscal year 2012.

  2. Optimization of Multiple Receivers Solar Power Tower systems

    E-Print Network [OSTI]

    2015-04-08

    Apr 8, 2015 ... The thermal energy is transferred in the receivers to a heat transfer ... As said in [

  3. Progressive Vacuum Degradation Within Pipestills and Vacuum Towers 

    E-Print Network [OSTI]

    Kimbrough, B.

    2015-01-01

    . Presented By June 4, 2015 ESL-IE-15-06-34 Proceedings of the Thrity-Seventh Industrial Energy Technology Conference New Orleans, LA. June 2-4, 2015 General Objectives TEXAS STEAM EQUIPMENT, INC · LOUISIANA STEAM EQUIPMENT COMPANY, LLC... Orleans, A. June 2-4, 2015 TEXAS STEAM EQUIPMENT, INC · LOUISIANA STEAM EQUIPMENT COMPANY, LLC · UTILITIES OPTIMIZATION GROUP, LLC Ejectors Principles and Benefits 3 1. 2. 3. 4. 5. 6. Ejectors consist of six basic parts: 1. Motive Fluid Chest 2...

  4. Variable Frequency AC Drives for Cooling Tower Energy Efficiency 

    E-Print Network [OSTI]

    Corey, R. W.

    1982-01-01

    speed and AF drive conversion to adjustable speed. ~I.,.. '~'Fixed r--'T'~Speed ,_0t.11T ~ ! AUTO ~uAL Figure 3 - Fixed &~djustable Speed sJstems I The AF control .unit is placed in the user's motor control center or inl a weather protected..., this ov~r simplified analysis does put this project in a very likely position for budget approval by the Texas Company p~ant management. 5.0 SUMMARY Traditionally, capita~ expense for eqUipment has been submitted for management approval...

  5. Lab Helps FAA Build Energy-Efficient Control Towers

    Broader source: Energy.gov [DOE]

    With help from the Pacific Northwest National Laboratory and its subcontractor, Redhorse Corporation, the agency that keeps our country’s airports running is bolstering its energy efficiency.

  6. The Electronic Tower of Babel \\Lambda Russell J. Clark

    E-Print Network [OSTI]

    Clark, Russell J.

    . A network engineer from a major manufacturing company recently listed 25 different protocol standards toward the develop­ ment of standard communication protocols. Standards bodies like the International Standards Organization and the Internet Engineering Task Force have created protocols that are supported

  7. Proposed Transmission Towers Proposed New Substation Sites Proposed...

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

    represent any legal information or boundaries. Sources: BPA 2012, Clark 2011d, Cowlitz GIS 2011b and Metro 2011b. LEGEND Recreation Type Greenway Park Dispersed Recreational Area...

  8. Energy (Cost) Savings by Zero Discharge in Cooling Towers 

    E-Print Network [OSTI]

    Matson, J. V.; Gardiner, W. M.; Harris, T. G.; Puckorius, P. R.

    1982-01-01

    calcium sulfate, calcium carbonate, and silica solubility equations for the resultant high ionic strength of a zero blowdown system. Operational aspects are highlighted in terms of deposition, corrosion, and biofouling potentials as well as currently...

  9. Upcoming Funding Opportunity for Tower Manufacturing and Installation...

    Office of Environmental Management (EM)

    Supported projects will develop technologies that mitigate U.S. transportation and logistics constraints affecting the deployment of taller utility-scale wind turbine systems...

  10. Cooling Towers - Energy Conservation and Money Making Mechanisms 

    E-Print Network [OSTI]

    Burger, R.

    1981-01-01

    , slippage due to age and deterioration, or the installation could have been originally installed undersized. This paper will investigate the various elements, their functions and methods of upgrading their performance by retrofit with the use of modern...

  11. Wind, Thermal, and Earthquake Monitoring of the Watts Towers

    E-Print Network [OSTI]

    English, Jackson

    2013-01-01

    hypothesis, the solar radiation data from the LACMA weathersolar radiation. Through comparisons with the temperature data,data from the month of June. Four days were selected: two days with low solar radiation

  12. CDX 4608, Guard Tower Power and Fiber Reroute (4608)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 OutreachProductswsicloudwsiclouddenDVA N C E D B L OBransenBusinessInitial Validation'IU" 9 0 0 3Rank:12

  13. Flow Distortion Study Completed for the Chesapeake Light Tower | Department

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Financing Tool Fits the Bill Financing Tool Fits the BillService Access Road overStrikeof

  14. Side Stream Filtration for Cooling Towers | Department of Energy

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann Jackson About1996HowFOA ApplicantofSTEMCarbonDepartment of EnergyofSheilaDepartment

  15. The 200 ft. Solar Tower at Sandia National

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservationBio-Inspired Solar FuelTechnologyTel: Name: Rm. Tel:Test1 April 2000 Anroad to E x

  16. 2010sr27[cooling_tower_complete].doc

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfateSciTechtail.TheoryTuesday, August 10, 2010 james-r.giusti@srs.gov Paivi Nettamo,Friday, September

  17. Project Profile: Brayton Cycle Baseload Power Tower | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCED MANUFACTURINGEnergy Bills andOrderNATIONALofDefine ReviewImpact AssessmentsMaterialsBrayton

  18. Project Profile: Solar Power Tower Improvements with the Potential to

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCED MANUFACTURINGEnergy Bills andOrderNATIONALofDefineEnergy National Solar ThermalReduce Costs

  19. Side Stream Filtration for Cooling Towers | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCED MANUFACTURINGEnergy BillsNo.Hydrogen4 » Searchwith Ultra-DeepwaterShutting the Door onSideSide

  20. Best Management Practice #10: Cooling Tower Management | Department of

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum Based Fuels Researchof Energy andandBeforeofOhio87-2007 June 2007

  1. Technical Evaluation of Side Stream Filtration for Cooling Towers |

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Financing ToolInternational Affairs, BeforeActivities Technical AssistanceDepartment

  2. Broadwind Energy Formerly Tower Tech Holdings | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmentalBowerbank, Maine: Energy ResourcesCounty,Wisconsin:RiverBroadwind Energy Formerly

  3. Building a Better Transmission Tower | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergyTher i n c i p a l DeInsulation at the Edge ofEnergy Program PeerA helicopter

  4. Armor Tower Inc. Notification of Intent to Investigate

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergyTher i n c i p a l De p u tCorporationIt's Bike-to-Work Week!! ! ! ! § ¨ ¦Edward

  5. Hydrogen Storage in Wind Turbine Towers: Cost Analysis and Conceptual

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum12,ExecutiveFinancingR Walls -Hydro-Pac Inc.,1 DOEPRODUCTIONM M a a r|FirstDesign

  6. Enforcement Notice of Intent to Investigate, Armor Tower, Inc. | Department

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum12, 2015 Infographiclighbulbs - high-resolution JPG20,1 -Energy2,July 21,of

  7. Oak Ridge's EM Program Demolishes North America's Tallest Water Tower |

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterested Parties -DepartmentAvailable forSite |n t787ORDER

  8. Technical Evaluation of Side Stream Filtration for Cooling Towers

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCEDInstallers/ContractorsPhotovoltaics »Tankless Water HeaterAutomotiveAncillaryDepartmentCooling

  9. Microsoft Word - CX-Driscoll Sustation Tower.doc

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterested Parties - WAPAEnergy May2.doc MicrosoftMicrosoft Word -Microsoft Word

  10. Water-Efficient Technology Opportunity: Advanced Cooling Tower Controls |

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematics And Statistics » USAJobs SearchAMERICA'S FUTURE.Projects at ArmyusingPeerTestinga

  11. Don Ana Sun Tower Solar Power Plant | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LIST OFAMERICA'SHeavy Electricals Ltd BHELEuropeLagePower Jump to:Documents HomeAna

  12. Upcoming Funding Opportunity for Tower Manufacturing and Installation |

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann Jackson About1996HowFOAShowing YouNeedof

  13. Enforcement Letter, Armor Tower, Inc. | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann JacksonDepartment ofOffice ofofWind ProjectsEfficiencyPreparedKY The City4, 2015 Worker

  14. SMART Wind Consortium Support Structures Subgroup Virtual Meeting: Tower

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: Alternative FuelsofProgram: Report AppendicesA TokenCommercial Buildings »SEPA FreedomResearchand

  15. Cooling Tower Report, October 2008 | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy A plug-in electric vehicle (PEV)Day-June2012 | DepartmentFederal

  16. Cooling towers among ivory towers : a comparative analysis of research universities, electricity consumption, and greenhouse gas emissions

    E-Print Network [OSTI]

    Keegan, Brian C. (Brian Christopher)

    2006-01-01

    The rationale for university sustainability and existing international agreements on sustainability in higher education are reviewed in the context of developing a model to determine the linkages between three environmental ...

  17. Wheatley Heights, New York: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEtGeorgia: EnergyMaryland: EnergyWexford County,

  18. University Heights, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEt Al.,Turin, New York:Power Company JumpGeoPower Jump to:

  19. Warrensville Heights, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEt Al.,Turin,VillageWarren Park, Indiana: Energy ResourcesEnergyWarrensville

  20. Town of Kingsford Heights, Indiana (Utility Company) | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEt Al., 2013)OpenEnergy Facilities BiomassInformation Town of Kingsford

  1. HIGHER PICARD VARIETIES AND THE HEIGHT PAIRING KLAUS KUNNEMANN

    E-Print Network [OSTI]

    : CHp (XK)0 Q × CHd+1-p (XK)0 Q - R(1) between the Chow groups of homologically trivial cycles ([Be of CHp (XK)0 Q consisting of cycles which become algebraically equivalent to zero over an algebraic that these theorems hold for the subquotients Bp (AK)Q of CHp (AK)0 Q. The hard Lefschetz theorem for Bp (AK

  2. Hormone Replacement Therapy and Height Loss: Does Estrogen Prevent Shrinking?

    E-Print Network [OSTI]

    Hall, Victoria M

    1993-01-01

    in Radiology: Dual Energy Radiographic Absorptiometry forChristiansen, C. "Dual-Energy X-ray Absorptiometry: A

  3. Particle Contamination on a Thermal Flying-Height Control Slider

    E-Print Network [OSTI]

    Liu, Nan; Bogy, David B.

    2010-01-01

    the investigation of particle contamination on a TFC slider.on particle ?ows and contamination of air bearing sliders.and Conclusion The particle contamination on a TFC slider is

  4. CHIP House Takes Design to Different Heights (Literally)

    Broader source: Energy.gov [DOE]

    Check out the SCI-Arc/Caltech 2011 Solar Decathlon team's house to find out more about their net-zero energy use home -- the CHIP House.

  5. Height Replacement of Selected Woody Plants Following Burning or Shredding. 

    E-Print Network [OSTI]

    Hamilton, W.T.; Kitchen, L.M.; Scifres, C.J.

    1981-01-01

    Selected Woody Plants Following Burning or Shredding CONTENTS ...................................... Summary . - i ,.z;.., s * ' ............................ a ,, Jntroduction.. v ~ ~ ~ z z . . 4 *- e -- .d 5- . ..... ...... .. * 2 $$escription... of Selected Woody Plants Following Burning or Shredding SUMMARY Woody plant reinvasion of tame pastures and native rangeland is a ' severe problem on the South Texas Plains. Shredding and/or pre- scribed burning may be employed as lowcost methods...

  6. Incorporating Rigorous Height Determination into Unified Fracture Design 

    E-Print Network [OSTI]

    Pitakbunkate, Termpan

    2010-10-12

    Hydraulic fracturing plays an important role in increasing production rate in tight reservoirs. The performance of the reservoir after fracturing can be observed from the productivity index. This parameter is dependent on the fracture geometry...

  7. HEIGHTS initial simulation of discharge produced plasma hydrodynamics and radiation

    E-Print Network [OSTI]

    Harilal, S. S.

    the environment of the EUV source and optimize the output of the source, an integrated model is being developed to describe the hydro- dynamic and optical processes that occur in DPP devices. The model includes both plasma

  8. Fission barrier heights and lifetimes for heavy and superheavy nuclei

    E-Print Network [OSTI]

    Pomorski, Krzysztof

    and collective vibrations the nuclear deformation-energy surface plays a predominant role. It is then obvious energies will be calculated in a macroscopic-microscopic model with a dominant contribution of liquid the basic idea of Weizsacker and Bethe [3, 4] to describe the average nuclear energy in terms of volume

  9. Genetic analysis of inflorescence and plant height components...

    Office of Scientific and Technical Information (OSTI)

    Publication: United States Language: English Subject: 59 BASIC BIOLOGICAL SCIENCES; 09 BIOMASS FUELS Word Cloud More Like This Free Publicly Accessible Full Text This content will...

  10. Genetic analysis of inflorescence and plant height components...

    Office of Scientific and Technical Information (OSTI)

    Sciences, Dept. of Plant Biology, Dept. of Genetics 59 BASIC BIOLOGICAL SCIENCES; 09 BIOMASS FUELS Domestication has played an important role in shaping characteristics of the...

  11. Development of a routing application with a heighted road network 

    E-Print Network [OSTI]

    Vasileiadis, Konstantinos

    2007-11-17

    According to Ordnance Survey (OS), the Integrated Transport Network (ITN) layer is the definitive, most accurate and up-to-date geographic reference for Great Britain’s road structure representing all navigable roads, from ...

  12. Effects of Alloy Disorder on Schottky-Barrier Heights 

    E-Print Network [OSTI]

    MYLES, CW; REN, SF; Allen, Roland E.; REN, SY.

    1987-01-01

    on the Schottky barriers at semiconductor-alloy ?metal interfaces are investigated within the defect model of Schottky-barrier formation. The deep levels and the associ- ated wave functions for surface antisite defects, which are believed to be responsible... the effect of the random local environment of each defect on these deep levels. For the cation and anion antisite defects at the (110) surfaces of six different III-V semiconductor alloys, the inhomogeneous broadening of the associated deep levels is found...

  13. 'Data Deluge' Pushes Mass Spec Imaging to New Heights

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

    is to zero in on the most important location and the most important ion in an image." Enter randomized linear algebra (RLA), a mathematical technique commonly used in...

  14. Reaching New Heights in Accelerator Technology | Jefferson Lab

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

    tool for scientists to address many of the most compelling questions of the 21st century - regarding the fundamental nature of matter, energy, space and time, dark matter,...

  15. Spatial representation of pitch height: the SMARC effect

    E-Print Network [OSTI]

    Butterworth, Brian

    the inversion of the retinal image forces us to stand on our heads to see the world right side up that crosstalk occurs between written words and pitch at a semantic level of processing, which suggests

  16. Hacienda Heights, California: Energy Resources | Open Energy Information

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  19. Ford Heights, Illinois: Energy Resources | Open Energy Information

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  20. Glendale Heights, Illinois: Energy Resources | Open Energy Information

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  1. Glenvar Heights, Florida: Energy Resources | Open Energy Information

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  2. Gordon Heights, New York: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainableGlynn County, Georgia: Energy ResourcesIllinois:GoodCounty,

  3. Grandview Heights, Ohio: Energy Resources | Open Energy Information

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  4. Day Heights, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, Alabama (UtilityInstruments Inc JumpIowa:Minnesota: EnergyDavisonTexas:County,

  5. Drexel Heights, Arizona: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, Alabama (UtilityInstrumentsArea (DOEDixmont,Missouri:DowEnergyDrax Siemens JVDrexel

  6. East Richmond Heights, California: Energy Resources | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, AlabamaETEC GmbH Jump to:Providence, Rhode Island: Energy Resources Jump

  7. Federal Heights, Colorado: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, AlabamaETEC GmbHFarinello Geothermal Power StationIndiana:BusinessFederalGrant

  8. Richmond Heights, Florida: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

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  9. Richmond Heights, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

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  10. Rowland Heights, California: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

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  11. Seaside Heights, New Jersey: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

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  12. Shelter Island Heights, New York: Energy Resources | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-Enhancing Capacity for Low EmissionTianhongKansas:Information GmbH

  13. South Miami Heights, Florida: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-Enhancing Capacity forSiliciumEnergyHouston, Texas: Energy(RECP) inLyon,

  14. Monfort Heights East, Ohio: Energy Resources | Open Energy Information

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  15. Monfort Heights South, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

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  16. Mount Healthy Heights, Ohio: Energy Resources | Open Energy Information

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  17. Muskegon Heights, Michigan: Energy Resources | Open Energy Information

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  18. Madison Heights, Michigan: Energy Resources | Open Energy Information

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  19. Maple Heights, Ohio: Energy Resources | Open Energy Information

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  20. Maple Heights-Lake Desire, Washington: Energy Resources | Open Energy

    Open Energy Info (EERE)

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  1. Mayfield Heights, Ohio: Energy Resources | Open Energy Information

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  2. La Habra Heights, California: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

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  3. Ladera Heights, California: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

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  4. Preston Heights, Illinois: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPIProtectio1975)Energy Technology Jump to:Presidio County,MauiPreston

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

    Open Energy Info (EERE)

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  6. Prospect Heights, Illinois: Energy Resources | Open Energy Information

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  7. Newburgh Heights, Ohio: Energy Resources | Open Energy Information

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  8. Palos Heights, Illinois: Energy Resources | Open Energy Information

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  9. Paradise Heights, Florida: Energy Resources | Open Energy Information

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  10. Parma Heights, Ohio: Energy Resources | Open Energy Information

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  11. Perry Heights, Ohio: Energy Resources | Open Energy Information

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  12. ARM - Publications: Science Team Meeting Documents: The height distribution

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach HomeA Better AnodeThe Influence of Clouds, Aerosols,Comparisonatvariability:Best-Estimatemicrophysicsof

  13. 'Data Deluge' Pushes Mass Spec Imaging to New Heights

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfateSciTechtail.Theory ofDidDevelopmentatabout WhoQUESTIONS",#LabSpotlight'Data Deluge'

  14. ARM - PI Product - Raman lidar/AERI PBL Height Product

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Comments?govInstrumentsnoaacrnBarrow, Alaska OutreachCalendar NSAProductsMerged and

  15. NREL: Wind Research - New Wind Resource Maps Reach Higher Heights

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines lightGeospatialDevelopment of Marine andDrivetrainsNew Wind Resource Maps

  16. City of Seaside Heights, New Jersey (Utility Company) | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar EnergyLawler, IowaScottsboro, Alabama (Utility Company) JumpInformation

  17. Vadnais Heights, Minnesota: Energy Resources | Open Energy Information

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  18. San Antonio Heights, California: Energy Resources | Open Energy Information

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  19. Taft Heights, California: Energy Resources | Open Energy Information

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  20. Arlington Heights, Illinois: Energy Resources | Open Energy Information

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