Sample records for kw ground mounted

  1. Department of Veterans Affairs, FONSI - Ground mounted solar...

    Office of Environmental Management (EM)

    Ground mounted solar photovoltaic power at San Joaquin National Cemetery Department of Veterans Affairs, FONSI - Ground mounted solar photovoltaic power at San Joaquin National...

  2. Photovoltaic module mounting clip with integral grounding

    DOE Patents [OSTI]

    Lenox, Carl J.

    2010-08-24T23:59:59.000Z

    An electrically conductive mounting/grounding clip, usable with a photovoltaic (PV) assembly of the type having an electrically conductive frame, comprises an electrically conductive body. The body has a central portion and first and second spaced-apart arms extending from the central portion. Each arm has first and second outer portions with frame surface-disrupting element at the outer portions.

  3. Photovoltaic module mounting clip with integral grounding

    DOE Patents [OSTI]

    Lenox, Carl J.

    2008-10-14T23:59:59.000Z

    An electrically conductive mounting/grounding clip, for use with a photovoltaic assembly of the type having an electrically conductive frame, comprises an electrically conductive body. The body has a central portion and first and second spaced-apart arms extending generally perpendicular to the central portion. Each arm has an outer portion with each outer portion having an outer end. At least one frame surface-disrupting element is at each outer end. The central portion defines a plane with the frame surface-disrupting elements pointing towards the plane. In some examples each arm extends from the central portion at an acute angle to the plane.

  4. Pattern Of Shallow Ground Water Flow At Mount Princeton Hot Springs...

    Open Energy Info (EERE)

    Methods Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Pattern Of Shallow Ground Water Flow At Mount Princeton Hot Springs,...

  5. Pattern of shallow ground water flow at Mount Princeton Hot Springs...

    Open Energy Info (EERE)

    methods Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Pattern of shallow ground water flow at Mount Princeton Hot Springs,...

  6. Environmental impacts of large-scale grid-connected ground-mounted PV installations

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Environmental impacts of large-scale grid-connected ground-mounted PV installations Antoine Beylota-scale ground-mounted PV installations by considering a life-cycle approach. The methodology is based. Mobile PV installations with dual-axis trackers show the largest impact potential on ecosystem quality

  7. Dynamic response analysis of a 900 kW wind turbine subject to ground excitation

    E-Print Network [OSTI]

    Caudillo, Adrian Felix

    2012-01-01T23:59:59.000Z

    geometry of the blades on a wind turbine has, in the past,of the tower and blades of a 900 kW wind turbine (source:per blade). For this portion of the study, the wind turbine

  8. WestSolarGroundMount City of Phoenix/ASU West

    E-Print Network [OSTI]

    Fletcher WestSolarGroundMount Lawn Field City of Phoenix/ASU West South Fields Community Park Parking Lot 12 North Zone #12; 2E · Credit Union · Parking & Transit Services · Devils Den · Jamba Juice · P.O.D. Market

  9. 1. Detect ground faults in PV arrays mounted on the roofs of 2. Interrupt the fault current

    E-Print Network [OSTI]

    Johnson, Eric E.

    1. Detect ground faults in PV arrays mounted on the roofs of dwellings 2. Interrupt the fault current 3. Indicate that a ground fault had occurred 4. Disconnect the faulted part of the PV array 5. "Crowbar" (short-circuit) the PV array The original GFPD prototype was developed in two versions that were

  10. Ground-Based and Airborne (PMS 2-D Probe Canister-Mounted) 183 GHz Water

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power AdministrationField8,Dist.NewofGeothermal Heaton Armed ServicesGround-Based MicrowaveVapor

  11. Photovoltaic module mounting system

    DOE Patents [OSTI]

    Miros, Robert H. J. (Fairfax, CA); Mittan, Margaret Birmingham (Oakland, CA); Seery, Martin N. (San Rafael, CA); Holland, Rodney H. (Novato, CA)

    2012-04-17T23:59:59.000Z

    A solar array mounting system having unique installation, load distribution, and grounding features, and which is adaptable for mounting solar panels having no external frame. The solar array mounting system includes flexible, pedestal-style feet and structural links connected in a grid formation on the mounting surface. The photovoltaic modules are secured in place via the use of attachment clamps that grip the edge of the typically glass substrate. The panel mounting clamps are then held in place by tilt brackets and/or mid-link brackets that provide fixation for the clamps and align the solar panels at a tilt to the horizontal mounting surface. The tilt brackets are held in place atop the flexible feet and connected link members thus creating a complete mounting structure.

  12. Photovoltaic module mounting system

    DOE Patents [OSTI]

    Miros, Robert H. J.; Mittan, Margaret Birmingham; Seery, Martin N; Holland, Rodney H

    2012-09-18T23:59:59.000Z

    A solar array mounting system having unique installation, load distribution, and grounding features, and which is adaptable for mounting solar panels having no external frame. The solar array mounting system includes flexible, pedestal-style feet and structural links connected in a grid formation on the mounting surface. The photovoltaic modules are secured in place via the use of attachment clamps that grip the edge of the typically glass substrate. The panel mounting clamps are then held in place by tilt brackets and/or mid-link brackets that provide fixation for the clamps and align the solar panels at a tilt to the horizontal mounting surface. The tilt brackets are held in place atop the flexible feet and connected link members thus creating a complete mounting structure.

  13. 50 KW Stirling engine

    SciTech Connect (OSTI)

    Ishizaki, Y.; Haramura; Kondoh, T.; Yamaguchi, K.; Yamaguchi, S.

    1982-08-01T23:59:59.000Z

    This paper presents an outline of the 50KW Stirling engine (4-189D.A.), called ''MT79'', as well as of its performance which was built by AISIN in 1980. The engine features a newly developed swash plate mechanism with floating plates. The engine, which uses Helium, has been successfully tested for over 1,000 hours, demonstrating a maximum horsepower of 52KW (71PS) /2,500rpm, maximum efficiency of 31% /700rpm, and maximum torque of 30kgf-m /500rpm. The performance of the engine is presented with these experimental results: Engine power, Torque, and Efficiency vs. Revolution; Heat balance; P-V diagram of expansion space and compression space; Noise level. The engine demonstrates the characteristics of a higher torque and a higher efficiency at lower speeds, and with low noise. Therefore, it was found that in a specific area, the engine shows characteristics surpassing those found in internal combustion engines.

  14. Mirror mount

    DOE Patents [OSTI]

    Humpal, H.H.

    1986-03-21T23:59:59.000Z

    A mirror mount is provided that allows free pitch, yaw and roll motion of the mirror while keeping the location of a point on the surface of the mirror fixed in the rest frame of reference of the mount. Yaw movement is provided by two yaw cylinders that are bearing mounted to provide rotation. Pitch and roll motion is provided by a spherically annular shell that is air bearing mounted to move between a clamp and an upper pedestal bearing. The centers of curvature of the spherical surfaces of the shell lie upon the point. Pitch motion and roll motion are separately and independently imparted to mirror by a pair of pitch paddles and a pair of roll paddles that are independently and separately moved by control rods driven by motors.

  15. Mirror mount

    DOE Patents [OSTI]

    Humpal, H.H.

    1987-11-10T23:59:59.000Z

    A mirror mount is provided that allows free pitch, yaw and roll motion of the mirror while keeping the location of a point on the surface of the mirror fixed in the rest frame of reference of the mount. Yaw movement is provided by two yaw cylinders that are bearing mounted to provide rotation. Pitch and roll motion is provided by a spherically annular shell that is air bearing mounted to move between a clamp and an upper pedestal bearing. The centers of curvature of the spherical surfaces of the shell lie upon the point. Pitch motion and roll motion are separately and independently imparted to mirror by a pair of pitch paddles and a pair of roll paddles that are independently and separately moved by control rods driven by motors. 5 figs.

  16. Mirror mount

    DOE Patents [OSTI]

    Kuklo, T.C.; Bender, D.A.

    1994-10-04T23:59:59.000Z

    A unique lens or mirror mount having adjustable constraints at two key locations to allow for ''X'' and ''Y'' tilts of the mirror only is disclosed. The device uses two pair of flexures of a type such that the pivots of the mirror gimble are rigidly fixed in all planes allowing the device to have zero stacking tolerance and zero wear over time. 4 figs.

  17. Manufacturing Cost Analysis of 1 kW and 5 kW Solid Oxide Fuel...

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

    kW and 5 kW Solid Oxide Fuel Cell (SOFC) for Auxiliary Power Applications Manufacturing Cost Analysis of 1 kW and 5 kW Solid Oxide Fuel Cell (SOFC) for Auxiliary Power...

  18. Manufacturing Cost Analysis of 1 kW and 5 kW Solid Oxide Fuel...

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

    Manufacturing Cost Analysis of 1 kW and 5 kW Solid Oxide Fuel Cell (SOFC) for Auxiliary Power Applications Manufacturing Cost Analysis of 1 kW and 5 kW Solid Oxide Fuel Cell (SOFC)...

  19. Manufacturing Cost Analysis of 10 kW and 25 kW Direct Hydrogen...

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

    Analysis of 10 kW and 25 kW Direct Hydrogen Polymer Electrolyte Membrane (PEM) Fuel Cell for Material Handling Applications Manufacturing Cost Analysis of 10 kW and 25 kW...

  20. SOFCSOFC (10kW(10kW )) Stack Stack ( )

    E-Print Network [OSTI]

    Hong, Deog Ki

    & Mitsubishi (band ) 150 kW module Rolls-Royce () 100kW SOFC TOTO, Kyushu () 20kW stack wet process #12;2 SOFC () Mitsubishi Heavy Ind. § SIS § 250kW § 55% Rolls-Royce § SIS § 250kW (micro GT-SOFC) § 53% (125 kW ) Tokyo Gas § SIS § kW (5kW ) / #12

  1. The Kauffman Constraint Coefficients Kw

    E-Print Network [OSTI]

    Kenneth A. Griggs

    2011-10-27T23:59:59.000Z

    The Kauffman Constraint Coefficients Kw and their corresponding Elementals Ew are presented as solutions to the construction of the (beta)-derivative of Kauffman's Theta-function. Additionally, a new recursion relation is provided to construct the (beta)-derivative of Theta that requires only operational substitutions and summations; this algorithmically simplifies Kauffman's original technique. To demonstrate Kw, we generate the 30 Kw Coefficients from the corresponding Elementals Ew for the (9)-derivative of Theta and find that our results are in complete agreement with Kauffman's Mathematica\\texttrademark solutions. We further present a calculation of two coefficients for the (12)-derivative of Theta and invite readers to use Mathematica\\texttrademark or any other means to calculate and verify our results. Finally, we present a challenging calculation for a coefficient of the (40)-derivative of Theta; owing to the vast numbers of permutations involved, a Mathematica\\texttrademark approach may require substantial computer resources to obtain the solution in a reasonable time.

  2. Manufacturing Cost Analysis of 1 kW and 5 kW Solid Oxide Fuel...

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

    MANUFACTURING COST ANALYSIS OF 1 KW AND 5 KW SOLID OXIDE FUEL CELL (SOFC) FOR AUXILLIARY POWER APPLICATIONS Prepared by: BATTELLE Battelle Memorial Institute 505 King Avenue...

  3. PV module mounting method and mounting assembly

    DOE Patents [OSTI]

    Lenox, Carl J.S.; Johnson, Kurt M.

    2013-04-23T23:59:59.000Z

    A method for mounting PV modules to a deck includes selecting PV module layout pattern so that adjacent PV module edges are spaced apart. PV mounting and support assemblies are secured to the deck according to the layout pattern using fasteners extending into the deck. The PV modules are placed on the PV mounting and support assemblies. Retaining elements are located over and secured against the upper peripheral edge surfaces of the PV modules so to secure them to the deck with the peripheral edges of the PV modules spaced apart from the deck. In some examples a PV module mounting assembly, for use on a shingled deck, comprises flashing, a base mountable on the flashing, a deck-penetrating fastener engageable with the base and securable to the deck so to secure the flashing and the base to the shingled deck, and PV module mounting hardware securable to the base.

  4. Magnetic core mounting system

    DOE Patents [OSTI]

    Ronning, Jeffrey J. (Fishers, IN)

    2002-01-01T23:59:59.000Z

    A mounting apparatus for an electromagnetic device such as a transformer of inductor includes a generally planar metallic plate as a first heat sink, and a metallic mounting cup as a second heat sink. The mounting cup includes a cavity configured to receive the electromagnetic device, the cavity being defined by a base, and an axially-extending annular sidewall extending from the base to a flange portion of the mounting cup. The mounting cup includes first and second passages for allowing the leads of first and second windings of the electromagnetic device to be routed out of the cavity. The cavity is filled with a polyurethane potting resin, and the mounting cup, including the potted electromagnetic device, is mounted to the plate heat sink using fasteners. The mounting cup, which surrounds the electromagnetic device, in combination with the potting resin provides improved thermal transfer to the plate heat sink, as well as providing resistance to vibration and shocks.

  5. High bandwidth optical mount

    SciTech Connect (OSTI)

    Bender, D.A.; Kuklo, T.

    1994-11-08T23:59:59.000Z

    An optical mount, which directs a laser beam to a point by controlling the position of a light-transmitting optic, is stiffened so that a lowest resonant frequency of the mount is approximately one kilohertz. The optical mount, which is cylindrically-shaped, positions the optic by individually moving a plurality of carriages which are positioned longitudinally within a sidewall of the mount. The optical mount is stiffened by allowing each carriage, which is attached to the optic, to move only in a direction which is substantially parallel to a center axis of the optic. The carriage is limited to an axial movement by flexures or linear bearings which connect the carriage to the mount. The carriage is moved by a piezoelectric transducer. By limiting the carriage to axial movement, the optic can be kinematically clamped to a carriage. 5 figs.

  6. Stable mirror mount

    DOE Patents [OSTI]

    Cutburth, R.W.

    1983-11-04T23:59:59.000Z

    An improved mirror mount assembly is disclosed. The mirror mount assembly provides a post assembly slidable in a Y-axis orientation and a nut plate assembly slidable in an X-axis orientation and means for simultaneously locking said post assembly and said key assembly in a fixed position.

  7. Mounting for ceramic scroll

    DOE Patents [OSTI]

    Petty, Jack D. (Indianapolis, IN)

    1993-01-01T23:59:59.000Z

    A mounting for a ceramic scroll on a metal engine block of a gas turbine engine includes a first ceramic ring and a pair of cross key connections between the first ceramic ring, the ceramic scroll, and the engine block. The cross key connections support the scroll on the engine block independent of relative radial thermal growth and for bodily movement toward an annular mounting shoulder on the engine. The scroll has an uninterrupted annular shoulder facing the mounting shoulder on the engine block. A second ceramic ring is captured between mounting shoulder and the uninterrupted shoulder on the scroll when the latter is bodily shifted toward the mouting shoulder to define a gas seal between the scroll and the engine block.

  8. Housing And Mounting Structure

    DOE Patents [OSTI]

    Anderson, Gene R. (Albuquerque, NM); Armendariz, Marcelino G. (Albuquerque, NM); Baca, Johnny R.F. (Albuquerque, NM); Bryan, Robert P. (Albuquerque, NM); Carson, Richard F. (Albuquerque, NM); Duckett, III, Edwin B. (Albuquerque, NM); McCormick, Frederick B. (Albuquerque, NM); Miller, Gregory V. (Kansas City, MO); Peterson, David W. (Sandia Park, NM); Smith, Terrance T. (Albuquerque, NM)

    2005-03-08T23:59:59.000Z

    This invention relates to an optical transmitter, receiver or transceiver module, and more particularly, to an apparatus for connecting a first optical connector to a second optical connector. The apparatus comprises: (1) a housing having at least a first end and at least a second end, the first end of the housing capable of receiving the first optical connector, and the second end of the housing capable of receiving the second optical connector; (2) a longitudinal cavity extending from the first end of the housing to the second end of the housing; and (3) an electromagnetic shield comprising at least a portion of the housing. This invention also relates to an apparatus for housing a flexible printed circuit board, and this apparatus comprises: (1) a mounting structure having at least a first surface and a second surface; (2) alignment ridges along the first and second surfaces of the mounting structure, the alignment ridges functioning to align and secure a flexible printed circuit board that is wrapped around and attached to the first and second surfaces of the mounting structure; and (3) a series of heat sink ridges adapted to the mounting structure, the heat sink ridges functioning to dissipate heat that is generated from the flexible printed circuit board.

  9. A 40KW ROOF MOUNTED PV THERMAL CONCENTRATOR SYSTEM J.F.H. Smeltink1

    E-Print Network [OSTI]

    3 Centre for Sustainable Energy Systems, Australian National University, Canberra, A.C.T. 0200, Australia email: 1 John.Smeltink@anu.edu.au, 2 Andrew.Blakers@anu.edu.au, 3 Joe.Coventry@anu.edu.au ABSTRACT: The Australian National University, Centre for Sustainable Energy Systems (ANU-CSES) has developed a photovoltaic

  10. Plasma Screen Floating Mount

    DOE Patents [OSTI]

    Eakle, Robert F. (New Ellenton, SC); Pak, Donald J. (Martine, GA)

    2004-10-26T23:59:59.000Z

    A mounting system for a flat display screen, particularly a plasma display screen, suspends the screen separately in each of the x-, y- and z-directions. A series of frames located by linear bearings and isolated by springs and dampers allows separate controlled movement in each axis. The system enables the use of relatively larger display screens in vehicles in which plasma screen are subject to damage from vibration.

  11. Product Sheet Wall Mount Lift

    E-Print Network [OSTI]

    Saskatchewan, University of

    Product Sheet Wall Mount Lift Ergotron® Neo-FlexTM 870-05-061, rev. 12/11/07 www. Less effort. Feel the difference. Add greater range of movement to your LCD display or TV with the Neo-Flex Wall Mount Lift! CF patented lift-and-pivot motion technology adjusts with a light touch. Raise

  12. Electro-optic component mounting device

    DOE Patents [OSTI]

    Gruchalla, M.E.

    1994-09-13T23:59:59.000Z

    A technique is provided for integrally mounting a device such as an electro-optic device in a transmission line to avoid series resonant effects. A center conductor of the transmission line has an aperture formed therein for receiving the device. The aperture splits the center conductor into two parallel sections on opposite sides of the device. For a waveguide application, the center conductor is surrounded by a conductive ground surface which is spaced apart from the center conductor with a dielectric material. One set of electrodes formed on the surface of the electro-optic device is directly connected to the center conductor and an electrode formed on the surface of the electro-optic device is directly connected to the conductive ground surface. The electrodes formed on the surface of the electro-optic device are formed on curved sections of the surface of the device to mate with correspondingly shaped electrodes on the conductor and ground surface to provide a uniform electric field across the electro-optic device. The center conductor includes a passage formed therein for passage of optical signals to an electro-optic device. 10 figs.

  13. Photovoltaic array mounting apparatus, systems, and methods

    DOE Patents [OSTI]

    West, John Raymond; Atchley, Brian; Hudson, Tyrus Hawkes; Johansen, Emil

    2014-12-02T23:59:59.000Z

    An apparatus for mounting a photovoltaic (PV) module on a surface, including a support with an upper surface, a lower surface, tabs, one or more openings, and a clip comprising an arm and a notch, where the apparatus resists wind forces and seismic forces and creates a grounding electrical bond between the PV module, support, and clip. The invention further includes a method for installing PV modules on a surface that includes arranging supports in rows along an X axis and in columns along a Y axis on a surface such that in each row the distance between two neighboring supports does not exceed the length of the longest side of a PV module and in each column the distance between two neighboring supports does not exceed the length of the shortest side of a PV module.

  14. Department of Veterans Affairs, FONSI - Ground mounted solar photovoltaic

    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 DataDepartment of Energy Your Density Isn't Your Destiny:Revised Finding of No53197E T A * S H I E L D * A LFederal Employee Federalpower at

  15. Energy Efficiency and Conservation Block Grant Program

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

    of a 10.56 kW ground-mounted solar photovoltaic at the City of Bowie Radio & TV Museum (Harmel House); 10) installation of a 3.84 kW roof-mounted solar photovoltaic at the...

  16. Mounting support for a photovoltaic module

    DOE Patents [OSTI]

    Brandt, Gregory Michael; Barsun, Stephan K.; Coleman, Nathaniel T.; Zhou, Yin

    2013-03-26T23:59:59.000Z

    A mounting support for a photovoltaic module is described. The mounting support includes a foundation having an integrated wire-way ledge portion. A photovoltaic module support mechanism is coupled with the foundation.

  17. Holding fixture for metallographic mount polishing

    DOE Patents [OSTI]

    Barth, C.H.; Cramer, C.E.

    1997-12-30T23:59:59.000Z

    A fixture is described for holding mounted specimens for polishing, having an arm; a body attached to one end of the arm, the body having at least one flange having an opening to accommodate a mounted specimen; and a means applying pressure against the outer surface of the mounted specimen to hold the specimen in contact with the polishing surface. 3 figs.

  18. 100kW Energy Transfer Multiplexer Power Converter Prototype Development Project

    SciTech Connect (OSTI)

    S. Merrill Skeist; Richard H. (Dick) Baker; Anthony G.P. Marini; DOE Project Officer - Keith Bennett

    2006-03-21T23:59:59.000Z

    Project Final Report for "100kW Energy Transfer Multiplexer Power Converter Prototype Development Project" prepared under DOE grant number DE-FG36-03GO13138. This project relates to the further development and prototype construction/evaluation for the Energy Transfer Multiplexer (ETM) power converter topology concept. The ETM uses a series resonant link to transfer energy from any phase of a multiphase input to any phase of a multiphase output, converting any input voltage and frequency to any output voltage and frequency. The basic form of the ETM converter consists of an eight (8)-switch matrix (six phase power switches and two ground power switches) and a series L-C resonant circuit. Electronic control of the switches allows energy to be transferred in the proper amount from any phase to any other phase. Depending upon the final circuit application, the switches may be either SCRs or IGBTs. The inherent characteristics of the ETM converter include the following: Power processing in either direction (bidirectional); Large voltage gain without the need of low frequency magnetics; High efficiency independent of output load and frequency; Wide bandwidth with fast transient response and; Operation as a current source. The ETM is able to synthesize true sinusoidal waveforms with low harmonic distortions. For a low power PM wind generation system, the ETM has the following characteristics and advantages: It provides voltage gain without the need of low frequency magnetics (DC inductors) and; It has constant high efficiency independent of the load. The ETM converter can be implemented into a PM wind power system with smaller size, reduced weight and lower cost. As a result of our analyses, the ETM offers wind power generation technology for the reduction of the cost and size as well as the increase in performance of low power, low wind speed power generation. This project is the further theoretical/analytical exploration of the ETM converter concept in relationship to PM wind power generator applications in the 100kW and under power range. The theoretical/analytical and bench scale work focuses on simplifying the basic ETM converter topology (in terms of parts count and complexity) for the specific application of the low power PM system. The project goals and objectives were for Spellman HV will develop a 100kW prototype ETM power converter based on paralleled lower ratings converters. The proposed configuration of this prototype is a 100kW rated converter comprised of four (4) 34kW rated modules connected in parallel (the fourth converter is included to demonstrate N+1 fault tolerance). This approach is more viable as there is lower technological risk involved in developing a 34kW-rated converter than a single 100kW unit. The modular system approach should have a lower deployment and service cost over a single unit system, because of the economics of scale (smaller units at a higher volume means lower manufacturing cost) and because of improved serviceability (a non-redundant power system with one failed module will still operate at a lower power level). There is also the added benefit that greater commercial application and acceptance should be achieved by having a modular system available in which fault tolerance (N+1 or 2N) is a feature. This modular approach would allow the output power to be increased by adding more paralleled converters. Thus, the maximum output power of the overall power system is a function of the interconnection medium (the hot swap connection subsystem), rather than the ratings of a single module. The project was implemented with Spellman HV acting as the program management and production assembly and test facility; The Baker Company acting as a technical consultant and resource when required; and dtm Associates acting as the design/development resource for the hardware development of the 100kW ETM converter prototype.

  19. Dual resolution, vacuum compatible optical mount

    DOE Patents [OSTI]

    Halpin, John Michael (Tracy, CA)

    2011-10-04T23:59:59.000Z

    An optical mount for an optical element includes a mounting plate, a lever arm pivot coupled to mounting plate, and an adjustment plate. The optical mount also includes a flexure pivot mechanically coupling the adjustment plate to the mounting plate and a lever arm. The optical mount further includes a first adjustment device extending from the adjustment plate to make contact with the lever arm at a first contact point. A projection of a line from the first contact point to a pivot point, measured along the lever arm, is a first predetermined distance. The optical mount additionally includes a second adjustment device extending from the adjustment plate to make contact with the lever arm at a second contact point. A projection of a line from the second contact point to the pivot point, measured along the lever arm, is a second predetermined distance greater than the first predetermined distance.

  20. Nozzle and shroud assembly mounting structure

    DOE Patents [OSTI]

    Faulder, L.J.; Frey, G.A.; Nielsen, E.W.; Ridler, K.J.

    1997-08-05T23:59:59.000Z

    The present nozzle and shroud assembly mounting structure configuration increases component life and reduces maintenance by reducing internal stress between the mounting structure having a preestablished rate of thermal expansion and the nozzle and shroud assembly having a preestablished rate of thermal expansion being less than that of the mounting structure. The mounting structure includes an outer sealing portion forming a cradling member in which an annular ring member is slidably positioned. The mounting structure further includes an inner mounting portion to which a hooked end of the nozzle and shroud assembly is attached. As the inner mounting portion expands and contracts, the nozzle and shroud assembly slidably moves within the outer sealing portion. 3 figs.

  1. Nozzle and shroud assembly mounting structure

    DOE Patents [OSTI]

    Faulder, Leslie J. (San Diego, CA); Frey, deceased, Gary A. (late of Seattle, WA); Nielsen, Engward W. (El Cajon, CA); Ridler, Kenneth J. (San Diego, CA)

    1997-01-01T23:59:59.000Z

    The present nozzle and shroud assembly mounting structure configuration increases component life and reduces maintenance by reducing internal stress between the mounting structure having a preestablished rate of thermal expansion and the nozzle and shroud assembly having a preestablished rate of thermal expansion being less than that of the mounting structure. The mounting structure includes an outer sealing portion forming a cradling member in which an annular ring member is slidably positioned. The mounting structure further includes an inner mounting portion to which a hooked end of the nozzle and shroud assembly is attached. As the inner mounting portion expands and contracts, the nozzle and shroud assembly slidably moves within the outer sealing portion.

  2. Bulb mounting of solar cell

    SciTech Connect (OSTI)

    Thompson, M.E.

    1983-04-05T23:59:59.000Z

    An energy converting assembly is provided for parasiting of light from a fluorescent light bulb utilizing a solar cell. The solar cell is mounted on a base member elongated in the dimension of elongation of the fluorescent bulb, and electrical interconnections to the cell are provided. A flexible sheet of opaque material having a flat white interior reflective surface surrounds the fluorescent bulb and reflects light emitted from the bulb back toward the bulb and the solar cell. The reflective sheet is tightly held in contact with the bottom of the bulb by adhesive, a tie strap, an external clip, or the like.

  3. Tape Mounts Last 30 Days

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of ScienceandMesa del SolStrengthening a solidSynthesis of 2D AlloysTrails TakingRTape Mounts Last 30

  4. Development of an Underamor 1-kW Thermoelectric Generator Waste...

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

    an Underamor 1-kW Thermoelectric Generator Waste Heat Recovery System for Military Vehicles Development of an Underamor 1-kW Thermoelectric Generator Waste Heat Recovery System for...

  5. 1-10 kW Stationary Combined Heat and Power Systems Status and...

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

    1-10 kW Stationary Combined Heat and Power Systems Status and Technical Potential: Independent Review 1-10 kW Stationary Combined Heat and Power Systems Status and Technical...

  6. Three-point spherical mirror mount

    DOE Patents [OSTI]

    Cutburth, R.W.

    1984-01-23T23:59:59.000Z

    A three-point spherical mirror mount for use with lasers is disclosed. The improved mirror mount is adapted to provide a pivot ring having an outer surface with at least three spaced apart mating points to engage an inner spherical surface of a support housing.

  7. Dynamic response analysis of a 900 kW wind turbine subject to ground excitation

    E-Print Network [OSTI]

    Caudillo, Adrian Felix

    2012-01-01T23:59:59.000Z

    2.3: Patrick-Henderson foundation. . . . . . . . . . . . .= mr? 2 Figure Patrick-Henderson foundation (image fromwww. windfarmbop.com/patrick-henderson-foundation/patrick-

  8. Dynamic response analysis of a 900 kW wind turbine subject to ground excitation

    E-Print Network [OSTI]

    Caudillo, Adrian Felix

    2012-01-01T23:59:59.000Z

    Turbine Model Accounting for these effects rigorously, however, requires a knowledge of soil-structure interaction formalism, the material

  9. Dynamic response analysis of a 900 kW wind turbine subject to ground excitation

    E-Print Network [OSTI]

    Caudillo, Adrian Felix

    2012-01-01T23:59:59.000Z

    powered by wind energy, wind turbines themselves stillWind Energy and Earthquake Activity Wind Turbines areTurbines. Det Norsk Veritas, Copen- hagen and Wind Energy

  10. Dynamic response analysis of a 900 kW wind turbine subject to ground excitation

    E-Print Network [OSTI]

    Caudillo, Adrian Felix

    2012-01-01T23:59:59.000Z

    Wind Energy Department, Risø National Laboratory, Copenhagen, Denmark.Wind Energy Department, Risø National Laboratory, Copenhagen, Denmark.Wind Energy Department, Risø National Laboratory, Copenhagen, Denmark.

  11. 10 kW SOFC POWER SYSTEM COMMERCIALIZATION

    SciTech Connect (OSTI)

    Dan Norrick; Brad Palmer; Todd Romine; Charles Vesely; Eric Barringer; Cris DeBellis; Rich Goettler; Kurt Kneidel; Milind Kantak; Steve Kung; Greg Rush

    2003-08-01T23:59:59.000Z

    The program is organized into three developmental periods. In Phase 1 the team will develop and demonstrate a proof-of-concept prototype design and develop a manufacturing plan to substantiate potential producibility at a target cost level of $800/kW factory manufacturing cost. Phase 2 will further develop the design and reduce the manufacturing cost to a level of $600 kW. Depending on an assessment of the maturity of the technology at the end of Phase 1, Phase 2 may be structured and supplemented to provide a limited production capability. Finally, in Phase 3, a full Value Package Introduction (VPI) Program will be integrated into the SECA program to develop a mass-producible design at a factory cost of $400/kW with full cross-functional support for unrestricted commercial sales. The path to market for new technology products in the Cummins system involves two processes. The first is called Product Preceding Technology, or PPT. The PPT process provides a methodology for exploring potentially attractive technologies and developing them to the point that they can be reliably scheduled into a new product development program with a manageable risk to the product introduction schedule or product quality. Once a technology has passed the PPT gate, it is available to be incorporated into a Value Package Introduction (VPI) Program. VPI is the process that coordinates the cross-functional development of a fully supported product. The VPI Program is designed to synchronize efforts in engineering, supply, manufacturing, marketing, finance, and product support areas in such a way that the product, when introduced to the market, represents the maximum value to the customer.

  12. 10 kW SOFC POWER SYSTEM COMMERCIALIZATION

    SciTech Connect (OSTI)

    Dan Norrick; Brad Palmer; Charles Vesely; Eric Barringer; Cris DeBellis; Rich Goettler; Kurt Kneidel; Milind Kantak; Steve Kung; Tom Morris; Greg Rush

    2004-02-01T23:59:59.000Z

    The program is organized into three developmental periods. In Phase 1 the team will develop and demonstrate a proof-of-concept prototype design and develop a manufacturing plan to substantiate potential producibility at a target cost level of $800/kW factory manufacturing cost. Phase 2 will further develop the design and reduce the manufacturing cost to a level of $600 kW. Depending on an assessment of the maturity of the technology at the end of Phase 1, Phase 2 may be structured and supplemented to provide a limited production capability. Finally, in Phase 3, a full Value Package Introduction (VPI) Program will be integrated into the SECA program to develop a mass-producible design at a factory cost of $400/kW with full cross-functional support for unrestricted commercial sales. The path to market for new technology products in the Cummins system involves two processes. The first is called Product Preceding Technology, or PPT. The PPT process provides a methodology for exploring potentially attractive technologies and developing them to the point that they can be reliably scheduled into a new product development program with a manageable risk to the product introduction schedule or product quality. Once a technology has passed the PPT gate, it is available to be incorporated into a Value Package Introduction (VPI) Program. VPI is the process that coordinates the cross-functional development of a fully supported product. The VPI Program is designed to synchronize efforts in engineering, supply, manufacturing, marketing, finance, and product support areas in such a way that the product, when introduced to the market, represents the maximum value to the customer.

  13. In-Ground Radiation Detection

    SciTech Connect (OSTI)

    McCormick, Kathleen R.; Stromswold, David C.; Woodring, Mitchell L.; Ely, James H.; Siciliano, Edward R.; Caggiano, Joseph A.; Hensley, Walter K.

    2006-10-29T23:59:59.000Z

    Vertically oriented radiation detectors may not provide sufficient screening in rail or aviation applications. Railcars can be heavily shielded on the sides, reducing the sensitivity of vertically mounted monitors. For aviation, the distance required for wingspan clearance reduces a vertical detector’s coverage of the fuselage. To surmount these, and other, challenging operational and sensitivity issues, we have investigated the use of in-ground radiation detectors. (PIET-43741-TM-605).

  14. Motorized control for mirror mount apparatus

    DOE Patents [OSTI]

    Cutburth, Ronald W. (Tracy, CA)

    1989-01-01T23:59:59.000Z

    A motorized control and automatic braking system for adjusting mirror mount apparatus is disclosed. The motor control includes a planetary gear arrangement to provide improved pitch adjustment capability while permitting a small packaged design. The motor control for mirror mount adjustment is suitable for laser beam propagation applications. The brake is a system of constant contact, floating detents which engage the planetary gear at selected between-teeth increments to stop rotation instantaneously when the drive motor stops.

  15. www.iaei.org July.August 2005 IAEI NEWS 83 GROUNDING PV AND SYSTEMS FINE STRANDED CONDUCTORS

    E-Print Network [OSTI]

    Johnson, Eric E.

    with single inverters sized below about 10 kW. Figure 1 shows the dc grounding for a PV system as spelled outwww.iaei.org July.August 2005 IAEI NEWS 83 GROUNDING PV AND SYSTEMS FINE STRANDED CONDUCTORS Grounding In the "Perspectives on PV" article in the September- October 2004 issue of the IAEI News

  16. Ground Water Ground Sky Sky Water Vegetation Ground Vegetation Water

    E-Print Network [OSTI]

    Chen, Tsuhan

    Bear Snow Vegetation RhinoWater Vegetation Ground Water Ground Sky Sky Rhino Water Vegetation Ground Vegetation Water Rhino Water Vegetation Ground Rhino Water Rhino Water Ground Ground Vegetation Water Rhino Vegetation Rhino Vegetation Ground Rhino Vegetation Ground Sky Rhino Vegetation Ground Sky

  17. 500-kW DCHX pilot-plant evaluation testing

    SciTech Connect (OSTI)

    Hlinak, A.; Lee, T.; Loback, J.; Nichols, K.; Olander, R.; Oshmyansky, S.; Roberts, G.; Werner, D.

    1981-10-01T23:59:59.000Z

    Field tests with the 500 kW Direct Contact Pilot Plant were conducted utilizing brine from well Mesa 6-2. The tests were intended to develop comprehensive performance data, design criteria, and economic factors for the direct contact power plant. The tests were conducted in two phases. The first test phase was to determine specific component performance of the DCHX, turbine, condensers and pumps, and to evaluate chemical mass balances of non-condensible gases in the IC/sub 4/ loop and IC/sub 4/ in the brine stream. The second test phase was to provide a longer term run at nearly fixed operating conditions in order to evaluate plant performance and identify operating cost data for the pilot plant. During these tests the total accumulated run time on major system components exceeded 1180 hours with 777 hours on the turbine prime mover. Direct contact heat exchanger performance exceeded the design prediction.

  18. 10kW SOFC POWER SYSTEM COMMERCIALIZATION

    SciTech Connect (OSTI)

    Dan Norrick; Charles Vesely; Todd Romine; Brad Palmer; Greg Rush; Eric Barringer; Milind Kantak; Cris DeBellis

    2003-02-01T23:59:59.000Z

    Participants in the SECA 10 kW SOFC Power System Commercialization project include Cummins Power Generation (CPG), the power generation arm of Cummins, Inc., SOFCo-EFS Holdings, LLC (formerly McDermott Technology, Inc.), the fuel cell and fuel processing research and development arm of McDermott International Inc., M/A-COM, the Multi-Layer Ceramics (MLC) processing and manufacturing arm of Tyco Electronics, and Ceramatec, a materials technology development company. CPG functions in the role of prime contractor and system integrator. SOFCo-EFS is responsible for the design and development of the hot box assembly, including the SOFC stack(s), heat exchanger(s), manifolding, and fuel reformer. M/A-COM and SOFCo-EFS are jointly responsible for development of the MLC manufacturing processes, and Ceramatec provides technical support in materials development. In October 2002, McDermott announced its intention to cease operations at McDermott Technology, Inc. (MTI) as of December 31, 2002. This decision was precipitated by several factors, including the announced tentative settlement of the B&W Bankruptcy which would result in all of the equity of B&W being conveyed to a trust, thereby eliminating McDermott's interest in the company, and the desire to create a separate fuel cell entity to facilitate its commercial development. The new fuel cell entity is named SOFCo-EFS Holdings, LLC. All of McDermott's solid oxide fuel cell and fuel processing work will be conducted by SOFCo-EFS, using personnel previously engaged in that work. SOFCo-EFS will continue to be located in the Alliance, OH facility and use the existing infrastructure and test facilities for its activities. While the effort needed to accomplish this reorganization has detracted somewhat from SOFCo's efficiency during the fourth quarter, we believe the improved focus on the core fuel cell and fuel reformation resulting from the reorganization will have a positive impact on the SECA project in the long run. The program is organized into three developmental periods. In Phase 1 the team will develop and demonstrate a proof-of-concept prototype design and develop the manufacturing plan to substantiate potential producibility at a target cost level of $800/kW factory manufacturing cost. Phase 2 will further develop the design and reduce the projected manufacturing cost to $600 kW. Depending on an assessment of the maturity of the technology at the end of Phase 1, Phase 2 may be structured and supplemented to develop a limited production capability. Finally, in Phase 3, a full Value Package Introduction (VPI) Program will be integrated with the SECA program to develop a mass-producible design, with a factory manufacturing cost of $400/kW, and with full cross-functional support for unrestricted commercial sales.

  19. 225-kW Dynamometer for Testing Small Wind Turbine Components (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2010-06-01T23:59:59.000Z

    This fact sheet describes the capabilities, operating envelope, loads and components of the 225-kW dynamometer at the NWTC.

  20. Mount Amiata 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 onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer Plant JumpMarysville,Missoula,MontereyHill, California:Morse,Wave Group JumpMount Airy,Mount

  1. ACHIEVING 800 KW CW BEAM POWER AND CONTINUING ENERGY IMPROVEMENTS IN CEBAF*

    E-Print Network [OSTI]

    ACHIEVING 800 KW CW BEAM POWER AND CONTINUING ENERGY IMPROVEMENTS IN CEBAF* C. E. Reece Thomas, CEBAF at Jefferson Lab has demonstrated its full capacity of sustained 800 kW beam power. All systems the energy reach of CEBAF, we began a program of processing all installed cryomodules. This processing has

  2. WIND TURBINE SITING IN AN URBAN ENVIRONMENT: THE HULL, MA 660 KW TURBINE

    E-Print Network [OSTI]

    Massachusetts at Amherst, University of

    1 WIND TURBINE SITING IN AN URBAN ENVIRONMENT: THE HULL, MA 660 KW TURBINE J. F. Manwell, J. G. Mc turbine at Windmill Point in Hull, Massachusetts represents a high point in the long history of wind, through the installation of a 40 kW Enertech machine in the 1980's to the installation of the new turbine

  3. 10 kW SOFC Power System Commercialization

    SciTech Connect (OSTI)

    Dan Norrick; Brad Palmer; Charles Vesely; Eric Barringer; John Budge; Cris DeBellis; Rich Goettler; Milind Kantak; Steve Kung; Zhien Liu; Tom Morris; Keith Rackers; Gary Roman; Greg Rush; Liang Xue

    2006-02-01T23:59:59.000Z

    Cummins Power Generation (CPG) as the prime contractor and SOFCo-EFS Holdings LLC (SOFCo), as their subcontractor, teamed under the Solid-state Energy Conversion Alliance (SECA) program to develop 3-10kW solid oxide fuel cell systems for use in recreational vehicles, commercial work trucks and stand-by telecommunications applications. The program goal is demonstration of power systems that meet commercial performance requirements and can be produced in volume at a cost of $400/kW. This report summarizes the team's activities during the seventh six-month period (July-December 2005) of the four-year Phase I effort. While there has been significant progress in the development of the SOFC subsystems that can support meeting the program Phase 1 goals, the SOFCo ceramic stack technology has progressed significantly slower than plan and CPG consider it unlikely that the systemic problems encountered will be overcome in the near term. SOFCo has struggled with a series of problems associated with inconsistent manufacturing, inadequate cell performance, and the achievement of consistent, durable, low resistance inter-cell connections with reduced or no precious materials. A myriad of factors have contributed to these problems, but the fact remains that progress has not kept pace with the SECA program. A contributing factor in SOFCo's technical difficulties is attributed to their significantly below plan industry cost share spending over the last four years. This has resulted in a much smaller SOFC stack development program, has contributed to SOFCo not being able to aggressively resolve core issues, and clouds their ability to continue into a commercialization phase. In view of this situation, CPG has conducted an independent assessment of the state-of-the-art in planar SOFC's stacks and have concluded that alternative technology exists offering the specific performance, durability, and low cost needed to meet the SECA objectives. We have further concluded that there is insufficient evidence to reliably predict that SOFCo will be able to achieve the SECA performance and cost goals on a schedule consistent with SECA or CPG commercialization goals. CPG believes SOFCo have made a good faith effort consistent with the available resources, but have repeatedly fallen short of achieving the programs scheduled targets. CPG has therefore initiated a process of application for extension of Phase 1 of our SECA program with the intent of transitioning to an alternative stack supplier with more mature SOFC technology, and demonstrating a system meeting the SECA Phase 1 goals by the end of calendar 2006. We have identified an alternative supplier and will be reporting the progress on transition and program planning in monthly technical reports, reviews, and in the next semiannual report.

  4. Fixture for mounting small parts for processing

    DOE Patents [OSTI]

    Foreman, Larry R. (2456 36th St., Los Alamos, NM 87544); Gomez, Veronica M. (Rte. 5 Box 283, Santa Fe, NM 87501); Thomas, Michael H. (Rte. 3-193-1, Espanola, NM 87532)

    1990-01-01T23:59:59.000Z

    A fixture for mounting small parts, such as fusion target spheres or microelectronic components. A glass stalk is drawn and truncated near its tip. The truncated end of the glass stalk is dipped into silicone rubber forming an extending streamer. After the rubber cures for approximately 24 hours, a small part is touched to the streamer, and will be held securely throughout processing.

  5. ROOM AIR CONDITIONER WALL MOUNTED type

    E-Print Network [OSTI]

    Kleinfeld, David

    SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTED type Reciprocating Compressor Models Indoor unit.6 - 11.4 ----- MOISTURE REMOVAL ( / hr) 2.0 1.8 2.7 2.7 4.3 3 AIR CIRCULATION - Hi (m / hr) 800 800 1

  6. Wind Turbine Generator System Duration Test Report for the Gaia-Wind 11 kW Wind Turbine

    SciTech Connect (OSTI)

    Huskey, A.; Bowen, A.; Jager, D.

    2010-09-01T23:59:59.000Z

    This test was conducted as part of the U.S. Department of Energy's (DOE) Independent Testing project. This project was established to help reduce the barriers of wind energy expansion by providing independent testing results for small turbines. In total, five turbines are being tested at the National Renewable Energy Laboratory's (NRELs) National Wind Technology Center (NWTC) as a part of this project. Duration testing is one of up to five tests that may be performed on the turbines, including power performance, safety and function, noise, and power quality tests. The results of the testing will provide the manufacturers with reports that may be used for small wind turbine certification. The test equipment includes a Gaia-Wind 11 kW wind turbine mounted on an 18 m monopole tower. Gaia-Wind Ltd. manufactured the turbine in Denmark, although the company is based in Scotland. The system was installed by the NWTC Site Operations group with guidance and assistance from Gaia-Wind.

  7. ITP Industrial Distributed Energy: Combined Heat & Power Multifamily Performance Program-- Sea Park East 150 kW CHP System

    Broader source: Energy.gov [DOE]

    Overview of Sea Park East 150 kilowatt (kW) Combined Heat and Power (CHP) System in Brooklyn, New York

  8. Fixture for mounting small parts for processing

    DOE Patents [OSTI]

    Foreman, L.R.; Gomez, V.M.; Thomas, M.H.

    1990-05-29T23:59:59.000Z

    A fixture for mounting small parts, such as fusion target spheres or microelectronic components is disclosed. A glass stalk is drawn and truncated near its tip. The truncated end of the glass stalk is dipped into silicone rubber forming an extending streamer. After the rubber cures for approximately 24 hours, a small part is touched to the streamer, and will be held securely throughout processing. 5 figs.

  9. Conceptual design for PSP mounting bracket

    SciTech Connect (OSTI)

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

    1991-12-31T23:59:59.000Z

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

  10. Mounting apparatus for a nozzle guide vane assembly

    DOE Patents [OSTI]

    Boyd, G.L.; Shaffer, J.E.

    1995-09-12T23:59:59.000Z

    The present invention provides a ceramic nozzle guide assembly with an apparatus for mounting it to a metal nozzle case that includes an intermediate ceramic mounting ring. The mounting ring includes a plurality of projections that are received within a plurality of receptacles formed in the nozzle case. The projections of the mounting ring are secured within the receptacles by a ceramic retainer that allows contact between the two components only along arcuate surfaces thus eliminating sliding contact between the components. 8 figs.

  11. Mounting apparatus for a nozzle guide vane assembly

    DOE Patents [OSTI]

    Boyd, Gary L. (Alpine, CA); Shaffer, James E. (Maitland, FL)

    1995-01-01T23:59:59.000Z

    The present invention provides a ceramic nozzle guide assembly with an apparatus for mounting it to a metal nozzle case that includes an intermediate ceramic mounting ring. The mounting ring includes a plurality of projections that are received within a plurality of receptacles formed in the nozzle case. The projections of the mounting ring are secured within the receptacles by a ceramic retainer that allows contact between the two components only along arcuate surfaces thus eliminating sliding contact between the components.

  12. 225-kW Dynamometer for Testing Small Wind Turbine Components: Preprint

    SciTech Connect (OSTI)

    Green, J.

    2006-06-01T23:59:59.000Z

    This paper describes NREL's new 225-kW dynamometer facility that is suitable for testing a variety of components and subsystems for small wind turbines and discusses opportunities for industry partnerships with NREL for use of the facility.

  13. Preferred citation style Axhausen, K.W. (2004) Personal biography, social networks and

    E-Print Network [OSTI]

    Nagurney, Anna

    2004-01-01T23:59:59.000Z

    1 1 Preferred citation style Axhausen, K.W. (2004) Personal biography, social networks and travel child 120 trips / 6 weeks 1201051 #12;6 11 Activity spaces: Commuters to Zürich (2000) 12 Position

  14. DRIVER ACCELERATOR DESIGN FOR THE 10 KW UPGRADE OF THE JEFFERSON LAB IR FEL

    E-Print Network [OSTI]

    DRIVER ACCELERATOR DESIGN FOR THE 10 KW UPGRADE OF THE JEFFERSON LAB IR FEL D. Douglas, S. V, Newport News, VA23606, USA Abstract An upgrade of the Jefferson Lab IR FEL [1] is now un- der construction. It will provide 10 kW output light power in a wavelength range of 2­10 µm. The FEL will be driven by a modest

  15. Mount St. Mary's Abbey | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRose BendMiasole IncMinutemanVistaZephyr) JumpMorroMoultonMount

  16. Article mounting and position adjustment stage

    DOE Patents [OSTI]

    Cutburth, Ronald W. (Tracy, CA); Silva, Leonard L. (Livermore, CA)

    1988-01-01T23:59:59.000Z

    An improved adjustment and mounting stage of the type used for the detection of laser beams is disclosed. A ring sensor holder has locating pins on a first side thereof which are positioned within a linear keyway in a surrounding housing for permitting reciprocal movement of the ring along the keyway. A rotatable ring gear is positioned within the housing on the other side of the ring from the linear keyway and includes an oval keyway which drives the ring along the linear keyway upon rotation of the gear. Motor-driven single-stage and dual (x, y) stage adjustment systems are disclosed which are of compact construction and include a large laser transmission hole.

  17. Reusable vibration resistant integrated circuit mounting socket

    DOE Patents [OSTI]

    Evans, Craig N. (Irwin, PA)

    1995-01-01T23:59:59.000Z

    This invention discloses a novel form of socket for integrated circuits to be mounted on printed circuit boards. The socket uses a novel contact which is fabricated out of a bimetallic strip with a shape which makes the end of the strip move laterally as temperature changes. The end of the strip forms a barb which digs into an integrated circuit lead at normal temperatures and holds it firmly in the contact, preventing loosening and open circuits from vibration. By cooling the contact containing the bimetallic strip the barb end can be made to release so that the integrated circuit lead can be removed from the socket without damage either to the lead or to the socket components.

  18. Rack assembly for mounting solar modules

    DOE Patents [OSTI]

    Plaisted, Joshua Reed; West, Brian

    2012-09-04T23:59:59.000Z

    A rack assembly is provided for mounting solar modules over an underlying body. The rack assembly may include a plurality of rail structures that are arrangeable over the underlying body to form an overall perimeter for the rack assembly. One or more retention structures may be provided with the plurality of rail structures, where each retention structure is configured to support one or more solar modules at a given height above the underlying body. At least some of the plurality of rail structures are adapted to enable individual rail structures to be sealed over the underlying body so as to constrain air flow underneath the solar modules. Additionally, at least one of (i) one or more of the rail structures, or (ii) the one or more retention structures are adjustable so as to adapt the rack assembly to accommodate solar modules of varying forms or dimensions.

  19. Rack assembly for mounting solar modules

    DOE Patents [OSTI]

    Plaisted, Joshua Reed (Oakland, CA); West, Brian (San Francisco, CA)

    2010-12-28T23:59:59.000Z

    A rack assembly is provided for mounting solar modules over an underlying body. The rack assembly may include a plurality of rail structures that are arrangeable over the underlying body to form an overall perimeter for the rack assembly. One or more retention structures may be provided with the plurality of rail structures, where each retention structure is configured to support one or more solar modules at a given height above the underlying body. At least some of the plurality of rail structures are adapted to enable individual rail structures o be sealed over the underlying body so as to constrain air flow underneath the solar modules. Additionally, at least one of (i) one or more of the rail structures, or (ii) the one or more retention structures are adjustable so as to adapt the rack assembly to accommodate solar modules of varying forms or dimensions.

  20. Article mounting and position adjustment stage

    DOE Patents [OSTI]

    Cutburth, R.W.; Silva, L.L.

    1988-05-10T23:59:59.000Z

    An improved adjustment and mounting stage of the type used for the detection of laser beams is disclosed. A ring sensor holder has locating pins on a first side thereof which are positioned within a linear keyway in a surrounding housing for permitting reciprocal movement of the ring along the keyway. A rotatable ring gear is positioned within the housing on the other side of the ring from the linear keyway and includes an oval keyway which drives the ring along the linear keyway upon rotation of the gear. Motor-driven single-stage and dual (x, y) stage adjustment systems are disclosed which are of compact construction and include a large laser transmission hole. 6 figs.

  1. Field Performance of a Ground-Coupled Heat Pump in Abilene, Texas 

    E-Print Network [OSTI]

    Dobson, M.; O'Neal, D. L.; Aldred, W.; Margo, R.

    1994-01-01T23:59:59.000Z

    A nominal 10.6 kW (3 ton), vertical-configuration ground-coupled heat pump was installed in Abilene, Texas in December 1989 and was monitored until May 1993 using a remote data acquisition system. The unit was installed in the guest officer quarters...

  2. Field Performance of a Ground-Coupled Heat Pump in Abilene, Texas

    E-Print Network [OSTI]

    Dobson, M.; O'Neal, D. L.; Aldred, W.; Margo, R.

    1994-01-01T23:59:59.000Z

    A nominal 10.6 kW (3 ton), vertical-configuration ground-coupled heat pump was installed in Abilene, Texas in December 1989 and was monitored until May 1993 using a remote data acquisition system. The unit was installed in the guest officer quarters...

  3. Kaman 40-kW wind system. Phase II. Fabrication and tests. Volume II. Technical report

    SciTech Connect (OSTI)

    Howes, H; Perley, R

    1981-01-01T23:59:59.000Z

    A program is underway to design, fabricate and test a horizontal axis Wind Turbine Generator (WTG) capable of producing 40 kW electrical output power in a 20 mph wind. Results are presented of the program effort covering fabrication and testing of the Wing Turbine Generator designed earlier. A minimum of difficulties were experienced during fabrication and, after successful completion of Contractor tests through 20 mph winds, the WTG was shipped to Rocky Flats, assembled and operated there. The 40 kW WTG is presently undergoing extended tests at Rockwell's Rocky Flats test facility.

  4. Rapid location of mount points JONATHAN M. SMITH

    E-Print Network [OSTI]

    ­­ ­­ Rapid location of mount points JONATHAN M. SMITH Computer Science Department, Columbia ``core'' is ``/u2/smith/core''. The current directory is a directory­valued variable. It is an implied traversal; the root contains itself. This scheme is extensible across multiple media through mount points

  5. Virtual sine arm kinematic mount system

    SciTech Connect (OSTI)

    Xu, Z.; Randall, K.J. [Argonne National Lab., IL (United States). Advanced Photon Source

    1997-09-01T23:59:59.000Z

    A novel kinematic mount system for a vertical focusing mirror of the soft x-ray spectroscopy beamline at the Advanced Photon Source is described. The system contains three points in a horizontal plane. Each point consists of two horizontal linear precision stages, a spherical ball bearing, and a vertical precision stage. The horizontal linear stages are aligned orthogonally and are conjoined by a spherical ball bearing, supported by the vertical linear stage at each point. The position of each confined horizontal stage is controlled by a motorized micrometer head by spring-loading the flat tip of the micrometer head onto a tooling ball fixing on the carriage of the stage. A virtual sine arm is formed by tilting the upstream horizontal stage down and the two downstream horizontal stages up by a small angle. The fine pitch motion is achieved by adjusting the upstream stage. This supporting structure is extremely steady due to a relatively large span across the supporting points and yields extremely high resolution on the pitch motion. With a one degree tilt and a microstepping motor, the authors achieved a 0.4 nanoradian resolution on the mirror pitch motion.

  6. Solar collector mounting and support apparatus

    SciTech Connect (OSTI)

    Hutchison, J.A.

    1981-12-22T23:59:59.000Z

    A solar collector system is described of the type having a movable surface for receiving solar radiation having improved means for rotatably supporting the movable surface and for rotating the collector surface. A support axle for the collector includes a ball at one end which is carried within a cylindrical sleeve in the solar collector to support the weight of the collector. A torque transmitting arm comprising a flexible flat strip is connected at one end to the axle and at the other end to the collector surface. An improved rotational drive mechanism includes a first sprocket wheel carried on the axle and a second sprocket wheel supported on a support pylon with a drive chain engaging both sprockets. A double acting piston also supported by the pylon is coupled to the chain so that the chain may be driven by a hydraulic control system to rotate the collector surfaces as required. An improved receiver tube support ring is also provided for use with the improved mounting and support apparatus to improve overall efficiency by reducing thermal losses.

  7. Laser housing having integral mounts and method of manufacturing same

    SciTech Connect (OSTI)

    Herron, Michael Alan; Brickeen, Brian Keith

    2004-10-19T23:59:59.000Z

    A housing adapted to position, support, and facilitate aligning various components, including an optical path assembly, of a laser. In a preferred embodiment, the housing is constructed from a single piece of material and broadly comprises one or more through-holes; one or more cavities; and one or more integral mounts, wherein the through-holes and the cavities cooperate to define the integral mounts. Securement holes machined into the integral mounts facilitate securing components within the integral mounts using set screws, adhesive, or a combination thereof. In a preferred method of making the housing, the through-holes and cavities are first machined into the single piece of material, with at least some of the remaining material forming the integral mounts.

  8. Demonstration of a 140-GHz 1-kW Confocal Gyro-Traveling-Wave Amplifier

    E-Print Network [OSTI]

    Temkin, Richard J.

    The theory, design, and experimental results of a wideband 140-GHz 1-kW pulsed gyro-traveling-wave amplifier (gyro-TWA) are presented. The gyro-TWA operates in the HE [subscript 06] mode of an overmoded quasi-optical ...

  9. 3kW Stirling engine for power and heat production

    SciTech Connect (OSTI)

    Thorsen, J.E.; Bovin, J.; Carlsen, H. [Technical Univ. of Denmark, Lyngby (Denmark). Inst. of Energy Engineering

    1996-12-31T23:59:59.000Z

    A new 3 kW Beta type Stirling engine has been developed. The engine uses Natural gas as fuel, and it is designed for use as a small combined heat and power plant for single family houses. The electrical power is supplied to the grid. The engine is made as a hermetic device, where the crank mechanism and the alternator are built into a pressurized crank casing. The engine produce 3 kW of shaft power corresponding to 2.4 kW of electric power. The heat input is 10 kW corresponding to a shaft efficiency of 30%, and an electric efficiency of 24%. Helium at 8 MPa mean pressure is used as working gas. The crank mechanism is a combination of an upper- and lower yoke, each forming the half of a Ross mechanism. The upper yoke is linked to the displacer piston and the lower yoke is linked to the working piston. The design gives an approximately linear couple point curve, which eliminates guiding forces on the pistons and the need for X-heads. Grease lubricated needle and ball bearings are used in the kinematic crank mechanism. The burner includes an air preheater and a water jacket, which makes it possible to utilize nearly all of the heat from the combustion gases. The performance of the engine has been tested as a function of mean pressure and hot and cold temperature, and emissions and noise have been measured.

  10. Design considerations of a 15kW heat exchanger for the CSPonD Project

    E-Print Network [OSTI]

    Adames, Adrian A

    2010-01-01T23:59:59.000Z

    The objective of this work was to develop a 15 kW heat exchanger model for the CSPonD molten salt receiver that will shuttle the molten salt's thermal energy for conversion to electric power. A heat extraction system ...

  11. 100 kW CC-OTEC Plant and Deep Ocean water Applications

    E-Print Network [OSTI]

    the electric grid for the first time in 15 years in the world. #12;IOES (Institute of Ocean Energy, Saga Univ.) Experiments and Demonstration by IOES (Institute of Ocean Energy, Saga University) 30 kW Electricity Construction, Xenesys, Yokogawa Electric JV Institute of Ocean Energy, Saga University Commission Cooperation

  12. Radioactive air emissions notice of construction fuel removal for 105-KW Basin

    SciTech Connect (OSTI)

    Hays, C.B.

    1997-05-29T23:59:59.000Z

    This document serves as a Notice of Construction (NOC), pursuant to the requirements of Washington Administrative Code (WAC) 246-247-060, and as a request for approval to construct, pursuant to 40 Code of Federal Regulations (CFR) 61.96, for the modifications, installation of new equipment, and fuel removal and sludge relocation activities at 105-KW Basin. The purpose of the activities described in this NOC is to enable the eventual retrieval and transport of the fuel for processing. The fuel retrieval and transport will require an integrated water treatment system for which performance specifications have been developed. These specifications are currently in the procurement process. Following procurement (and before installation of this system and the handling of fuel) design details will be provided to Washington State Department of Health (WDOH). The 105-K West Reactor (105-KW) and its associated spent nuclear fuel (SNF) storage basin were constructed in the early 1950s and are located on the Hanford Site in the 100-K Area about 1,400 feet from the Columbia River. The 105-KW Basin contains 964 Metric Tons of SNF stored under water in approximately 3,800 closed canisters. This SNF has been stored for varying periods of time ranging from 8 to 17 years. The 105-KW Basin is constructed of concrete with an epoxy coating and contains approximately 1.3 million gallons of water with an asphaltic membrane beneath the pool. Although the 105-KW Basin has not been known to leak, the discharge chute and associated construction joint have been isolated from the rest of the basin by metal isolation barriers. This was a precautionary measure, to mitigate the consequences of a seismic event. The proposed modifications described are scheduled to begin in calendar year 1997.

  13. Fractional-Slot Surface Mounted PM Motors with Concentrated Windings for HEV Traction Drives

    SciTech Connect (OSTI)

    Bailey, J.M.

    2005-10-24T23:59:59.000Z

    High-power density and efficiency resulting from elimination of rotor windings and reduced magnetic-flux losses have made the rare earth permanent magnet (PM) motor a leading candidate for the Department of Energy's Office of FreedomCAR and Vehicle Technologies (FCVTs) traction drive motor. These traction drives are generally powered by radial-gap motors, having the magnets on or embedded in a rotating cylinder separated from the inside surface of a slotted cylindrical stator by an annular gap. The two main types of radial-gap PM rotors are those with magnets mounted on the surface of a supporting back iron, called PM surface mounted (PMSM) motors, and those with magnets mounted in slots in the rotor, called interior PM (IPM) motors. Most early PM motor research was on the PMSM motor, which was thought to have an inherently low stator inductance. A low stator inductance can lead to currents dangerously exceeding rated current as the back-emf across the inductance increases with speed; consequently, part of the attempted solution has been to increase the stator inductance to reduce the rate of current rise. Although analysis suggested that there should be no problem designing sufficiently high stator inductance into PMSMs, attempts to do so were often not successful and a motor design was sought that would have a higher intrinsic inductance. Commercial research at Toyota has focused on IPM motors because they can achieve a high-saliency ratio, which helps them operate over a high constant power speed ratio (CPSR), but they are more difficult to fabricate. The Oak Ridge National Laboratory's (ORNL) position has been to continue research on brushless direct current (dc) motors (BDCMs) because of ease of fabrication and increased power output. Recently there has been a revival of interest in a fractional-slot PMSMs [15] made with concentrated windings because they possess three important features. First, they can increase the motor's inductance sufficiently to reduce the characteristic current to value of the rated current, which will enable them to operate at high CPSR. This feature also limits short-circuit fault currents. Second, their segmented structure simplifies assembly problems and is expected to reduce assembly costs. Third, the back-emf waveform is nearly sinusoidal with low cogging. To examine in depth this design ORNL entered into a collaborative agreement with the University of Wisconsin to build and test a 6 kW laboratory demonstration unit. Design, fabrication, and testing of the unit to 4000 rpm were completed during FY 2005. The motor will be sent to ORNL to explore ways to control its inverter to achieve higher efficiency during FY 2006. This paper first reviews the concept of characteristic current and what is meant by optimal flux weakening. It then discusses application of the fractional-slot concentrated winding technique to increase the d-axis inductance of a PMSM showing how this approach differs from an integral-slot motor with sinusoidal-distributed windings. This discussion is followed by a presentation of collaborative analyses and comparison with the University of Wisconsin's measured data on a 6 kW, 36-slot, 30-pole motor with concentrated windings. Finally ORNL presents a PMSM design with integral-slot windings that appears to meet the FreedomCAR Specifications, but has some disadvantages. Further collaboration with the University of Wisconsin is planned for FY 2006 to design a motor that meets FreedomCAR specifications.

  14. WestSolarGroundMount City of Phoenix/ASU West

    E-Print Network [OSTI]

    Shumway, John

    · Credit Union · Information Center · Parking Services Verde Dining Pavilion VRDE 3D Casa de Oro CDOR 3D Sun Devil Fitness Complex SDFCW 3D N S W E updated 10.2012 Map not to scale Map Legend Valley Metro Stop ASU Building ParkingArea Intercampus Shuttle A B C D E F G H 1 2 3 4 5 6 7 ASU Layered Map *The

  15. WestSolarGroundMount City of Phoenix/ASU West

    E-Print Network [OSTI]

    .O.D. Market (Provisions on Demand) Verde Dining Pavilion VRDE 3D Casa de Oro CDOR 3D Sun Devil Fitness Complex SDFCW 3D N S W E updated 07.2013 Map not to scale Map Legend Valley Metro Stop ASU Building ParkingArea Intercampus Shuttle A B C D E F G H 1 2 3 4 5 6 7 ASU Layered Map *The layer view option is only available

  16. Pattern Of Shallow Ground Water Flow At Mount Princeton Hot Springs,

    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 onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri:EnergyOssian,Parle Biscuits Pvt LtdPatriot Renewables LLCColorado,

  17. Pattern of shallow ground water flow at Mount Princeton Hot Springs,

    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 onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall,Missouri:EnergyOssian,Parle Biscuits Pvt LtdPatriot Renewables

  18. Methods and apparatus for radially compliant component mounting

    DOE Patents [OSTI]

    Bulman, David Edward (Cincinnati, OH); Darkins, Jr., Toby George (Loveland, OH); Stumpf, James Anthony (Columbus, IN); Schroder, Mark S. (Greenville, SC); Lipinski, John Joseph (Simpsonville, SC)

    2012-03-27T23:59:59.000Z

    Methods and apparatus for a mounting assembly for a liner of a gas turbine engine combustor are provided. The combustor includes a combustor liner and a radially outer annular flow sleeve. The mounting assembly includes an inner ring surrounding a radially outer surface of the liner and including a plurality of axially extending fingers. The mounting assembly also includes a radially outer ring coupled to the inner ring through a plurality of spacers that extend radially from a radially outer surface of the inner ring to the outer ring.

  19. SWET for the Summit: Exploration of Singapore’s First All-female Mount Everest Team

    E-Print Network [OSTI]

    Goh, Tan Leng

    2009-01-01T23:59:59.000Z

    FEMALE MOUNT EVEREST TEAM SWET for the Summit: ExplorationAll-female Mount Everest Team Tan Leng Goh California Statecommunity. The first all female team to summit Mount Everest

  20. alte madonie mounts: Topics by E-print Network

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

    the bag model also turned out to be negligible. Y. Kanazawa; Yuji Koike; N. Nishiyama 1999-02-18 22 Composite materials in dynamic shipboard structural mounts MIT - DSpace...

  1. Temporal Geochemical Variations In Volatile Emissions From Mount...

    Open Energy Info (EERE)

    Geochemical Variations In Volatile Emissions From Mount St Helens, Usa, 1980-1994 Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Temporal...

  2. Methane Hydrate Dissociation by Depressurization in a Mount Elbert Sandstone Sample: Experimental Observations and Numerical Simulations

    E-Print Network [OSTI]

    Kneafsey, T.

    2012-01-01T23:59:59.000Z

    DOE-USGS Mount Elbert gas hydrate stratigraphic test well:International Conference on Gas Hydrates, Vancouver, BritishGeologic controls on gas hydrate occurrence in the Mount

  3. Testing and performance characteristics of a 1-kW free piston Stirling engine

    SciTech Connect (OSTI)

    Schreiber, J.

    1983-04-01T23:59:59.000Z

    A 1 kW single cylinder free piston Stirling engine, configured as a research engine, was tested with helium working gas. The engine features a posted displacer and dashpot load. The test results show the engine power output and efficiency to be lower than those observed during acceptance tests by the manufacturer. Engine tests results are presented for operation at the two heater head temperatures and with two regenerator porosities, along with flow test results for the heat exchangers.

  4. Enertech 15-kW wind-system development. Phase II. Fabrication and test

    SciTech Connect (OSTI)

    Zickefoose, C.R.

    1982-12-01T23:59:59.000Z

    This Phase II report presents a description of the Enertech 15 kW prototype wind system hardware fabrication; results of component tests; and results of preliminary testing conducted at Norwich, VT and the RF Wind Energy Research Center. In addition, the assembly sequence is documented. During testing, the unit experienced several operational problems, but testing proved the design concept and demonstrated the system's ability to meet the contract design specifications for power output.

  5. 110 kW Stationary Combined Heat and Power Systems Status and

    E-Print Network [OSTI]

    the status of 1­10 kW CHP stationary fuel cell systems and to comment on the achievability of cost-temperature proton exchange membrane (LT-PEM) fuel cell systems operating, for the most part, in a temperature range of 60°­90°C; high temperature PEM (HT-PEM) fuel cell systems operating in a temperature range of 130

  6. System Description for the KW Basin Integrated Water Treatment System (IWTS) (70.3)

    SciTech Connect (OSTI)

    DERUSSEAU, R.R.

    2000-04-18T23:59:59.000Z

    This is a description of the system that collects and processes the sludge and radioactive ions released by the spent nuclear fuel (SNF) processing operations conducted in the 105 KW Basin. The system screens, settles, filters, and conditions the basin water for reuse. Sludge and most radioactive ions are removed before the water is distributed back to the basin pool. This system is part of the Spent Nuclear Fuel Project (SNFP).

  7. Load sharing operation of a 14kW photovoltaic/wind hybrid power system

    SciTech Connect (OSTI)

    Kim, S.; Kim, C. [Kongju National Univ., Chungnam (Korea, Republic of). Dept. of Electrical Engineering; Song, J.; Yu, G.; Jung, Y. [Korea Inst. of Energy Research, Taejon (Korea, Republic of). Photovoltaic Research Team

    1997-12-31T23:59:59.000Z

    In this paper, a design procedure for photovoltaic/wind hybrid power generation system is presented. The hybrid system is composed of a DC/DC converter for a photovoltaic energy conversion, a DC/DC converter for a wind energy conversion, a four switch IGBT inverter converting the combined DC power to the AC power and a backup power battery. Here, it is very important to select the desired battery size to meet the stable output and economic cost aspect since this system utilizes fluctuating and finite energy resource. The purpose of this paper is to develop a sizing method for the PV/Wind energy hybrid system with load sharing operation. The method demonstrates a simple tool to determine the desired battery size that satisfies the energy demand from the user with the photovoltaic and wind natural source. The proposed method is verified on a 14kW hybrid power system including a 10kW PV generator and a 4kW wind generator established in Cheju island, Korea.

  8. Ground Control | EMSL

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

    Ground Control Ground Control Released: April 22, 2015 EMSL scientists develop new methods to dig deeper into soil organic matter International Year of the Soils Under our feet...

  9. Literature Cited and Selected Bibliography Able, K.W. 1999. Measures of juvenile fish habitat quality: examples from a

    E-Print Network [OSTI]

    Chen, Changsheng

    . Rutgers University Press. New Brunswick, NJ. 342 p. Able, K.W., J.P. Manderson, and A.L. Studholme. 1999 in Hydraulic Computations. 1988. Turbulence modeling of surface flow and transport. Journal of Hydraulic

  10. Wind Turbine Generator System Acoustic Noise Test Report for the Gaia Wind 11-kW Wind Turbine

    SciTech Connect (OSTI)

    Huskey, A.

    2011-11-01T23:59:59.000Z

    This report details the acoustic noise test conducted on the Gaia-Wind 11-kW wind turbine at the National Wind Technology Center. The test turbine is a two- bladed, downwind wind turbine with a rated power of 11 kW. The test turbine was tested in accordance with the International Electrotechnical Commission standard, IEC 61400-11 Ed 2.1 2006-11 Wind Turbine Generator Systems -- Part 11 Acoustic Noise Measurement Techniques.

  11. AREAS OF GROUND SUBSIDENCE DUE TO GEO-FLUID WITHDRAWAL

    E-Print Network [OSTI]

    Grimsrud, G. Paul

    2011-01-01T23:59:59.000Z

    June 1960, a 12,500 kw generating plant went on line usinga second 12,500 kw generating plant. In 1961, explorationof a 27,500 kw generating plant, completed in 1967. A second

  12. Piezoelectric resonator assembly with thin molybdenum mounting clips

    DOE Patents [OSTI]

    Peters, R. Donald (Pinellas Park, FL)

    1981-01-01T23:59:59.000Z

    A resonator mounting assembly wherein the resonator blank is mounted agai an essentially planar surface presented by a plurality of peripherally disposed mounting clips and bonded to this surface to provide substantially all the mechanical support for the blank in a direction normal to the major faces of the resonator blank, while being flexible in the directions parallel to said major faces so as to minimize radial stresses on the resonator blank, particularly during thermal cycling of the resonator assembly. The clips are fabricated of a low thermal expansion material, such as molybdenum, which also has considerable yield strength after exposure to processing temperatures; the bonding of the clips to the edges of the resonator blank can be achieved by a polyimide containing electrically conductive particles.

  13. Integrated fiducial sample mount and software for correlated microscopy

    SciTech Connect (OSTI)

    Timothy R McJunkin; Jill R. Scott; Tammy L. Trowbridge; Karen E. Wright

    2014-02-01T23:59:59.000Z

    A novel design sample mount with integrated fiducials and software for assisting operators in easily and efficiently locating points of interest established in previous analytical sessions is described. The sample holder and software were evaluated with experiments to demonstrate the utility and ease of finding the same points of interest in two different microscopy instruments. Also, numerical analysis of expected errors in determining the same position with errors unbiased by a human operator was performed. Based on the results, issues related to acquiring reproducibility and best practices for using the sample mount and software were identified. Overall, the sample mount methodology allows data to be efficiently and easily collected on different instruments for the same sample location.

  14. 4 kW Test of Solid Oxide Electrolysis Stacks with Advanced Electrode-Supported Cells

    SciTech Connect (OSTI)

    J. E. O'Brien; X. Zhang; G. K. Housley; L. Moore-McAteer; G. Tao

    2012-06-01T23:59:59.000Z

    A new test stand has been developed at the Idaho National Laboratory for multi-kW testing of solid oxide electrolysis stacks. This test stand will initially be operated at the 4 KW scale. The 4 kW tests will include two 60-cell stacks operating in parallel in a single hot zone. The stacks are internally manifolded with an inverted-U flow pattern and an active area of 100 cm2 per cell. Process gases to and from the two stacks are distributed from common inlet/outlet tubing using a custom base manifold unit that also serves as the bottom current collector plate. The solid oxide cells incorporate a negative-electrode-supported multi-layer design with nickel-zirconia cermet negative electrodes, thin-film yttria-stabilized zirconia electrolytes, and multi-layer lanthanum ferrite-based positive electrodes. Treated metallic interconnects with integral flow channels separate the cells and electrode gases. Sealing is accomplished with compliant mica-glass seals. A spring-loaded test fixture is used for mechanical stack compression. Due to the power level and the large number of cells in the hot zone, process gas flow rates are high and heat recuperation is required to preheat the cold inlet gases upstream of the furnace. Heat recuperation is achieved by means of two inconel tube-in-tube counter-flow heat exchangers. A current density of 0.3 A/cm2 will be used for these tests, resulting in a hydrogen production rate of 25 NL/min. Inlet steam flow rates will be set to achieve a steam utilization value of 50%. The 4 kW test will be performed for a minimum duration of 1000 hours in order to document the long-term durability of the stacks. Details of the test apparatus and initial results will be provided.

  15. Rolling contact mounting arrangement for a ceramic combustor

    DOE Patents [OSTI]

    Boyd, G.L.; Shaffer, J.E.

    1995-10-17T23:59:59.000Z

    A combustor assembly having a preestablished rate of thermal expansion is mounted within a gas turbine engine housing having a preestablished rate of thermal expansion being greater than the preestablished rate of thermal expansion of the combustor assembly. The combustor assembly is constructed of a inlet end portion, a outlet end portion and a plurality of combustor ring segments positioned between the end portions. A mounting assembly is positioned between the combustor assembly and the gas turbine engine housing to allow for the difference in the rate of thermal expansion while maintaining axially compressive force on the combustor assembly to maintain contact between the separate components. 3 figs.

  16. Rolling contact mounting arrangement for a ceramic combustor

    DOE Patents [OSTI]

    Boyd, Gary L. (328 Sneath Way, Alpine, CA 91901); Shaffer, James E. (1780 Geronimo Tr., Maitland, FL 32751)

    1995-01-01T23:59:59.000Z

    A combustor assembly having a preestablished rate of thermal expansion is mounted within a gas turbine engine housing having a preestablished rate of thermal expansion being greater than the preestablished rate of thermal expansion of the combustor assembly. The combustor assembly is constructed of a inlet end portion, a outlet end portion and a plurality of combustor ring segments positioned between the end portions. A mounting assembly is positioned between the combustor assembly and the gas turbine engine housing to allow for the difference in the rate of thermal expansion while maintaining axially compressive force on the combustor assembly to maintain contact between the separate components.

  17. Development and characterization for the automated surface mount assembly

    SciTech Connect (OSTI)

    Yerganian, S.S.; Grice, J.V.

    1996-11-01T23:59:59.000Z

    Development of the ability to automatically assemble surface mount devices on circuits is described, including the characterization of the assembly process and improvements made to the system to increase the accuracy and repeatability of this process. The accuracy and repeatability of the system were characterized by measurements of the individual system components as well as the actual placement of components on a specially designed gauge. The forces and stresses experienced by the components when handled by the system were analyzed. The ability to deliver surface mount components to the system was developed by the design and development of stick magazines, vibratory feeders, a feeder control system, and an automatic stick magazine loader.

  18. City of Mount Vernon, Missouri (Utility 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof EnergyInnovationin Urban TransportMartinsville,Minidoka,City of Mount Dora,Mount

  19. Initial test results from a prototype, 20 kW helium charged Stirling engine

    SciTech Connect (OSTI)

    Clarke, M.A.; Taylor, D.R.

    1984-08-01T23:59:59.000Z

    An alpha-configuration, helium charged Stirling engine with a predicted output of 20 kW indicated power has been developed by a British consortium of universities and industrial companies. The work performed by the Royal Naval Engineering College has been in computer assisted design and component testing, with future plans for full engine trials during 1984/85. The scope of this paper is to outline the data obtained during motoring trials of the engine block and crankcase assembly, together with details of modifications incorporated in the various components.

  20. High Temperature Electrolysis 4 kW Experiment Design, Operation, and Results

    SciTech Connect (OSTI)

    J.E. O'Brien; X. Zhang; K. DeWall; L. Moore-McAteer; G. Tao

    2012-09-01T23:59:59.000Z

    This report provides results of long-term stack testing completed in the new high-temperature steam electrolysis multi-kW test facility recently developed at INL. The report includes detailed descriptions of the piping layout, steam generation and delivery system, test fixture, heat recuperation system, hot zone, instrumentation, and operating conditions. This facility has provided a demonstration of high-temperature steam electrolysis operation at the 4 kW scale with advanced cell and stack technology. This successful large-scale demonstration of high-temperature steam electrolysis will help to advance the technology toward near-term commercialization.

  1. 100-kW class applied-field MPD thruster component wear

    SciTech Connect (OSTI)

    Mantenieks, M.A.; Myers, R.M.

    1993-01-01T23:59:59.000Z

    Component erosion and material deposition sites were identified and analyzed during tests of various configurations of 100 kW class, applied-field, water-cooled magnetoplasmadynamic (MPD) thrusters. Severe erosion of the cathode and the boron nitride insulator was observed for the first series of tests, which was significantly decreased by reducing the levels of propellant contamination. Severe erosion of the copper anode resulting from sputtering by the propellant was also observed. This is the first observation of this phenomenon in MPD thrusters. The anode erosion indicates that development of long life MPD thrusters requires the use of light gas propellants such as hydrogen, deuterium, or lithium.

  2. 100-kW class applied-field thruster component wear

    SciTech Connect (OSTI)

    Mantenieks, M.A. (M.S. SPTD-1, NASA Lewis Research Center, Cleveland, Ohio 44135 (United States)); Myers, R.M. (M.S. SPTD-1, Sverdrup Technology Inc., NASA Lewis Research Center, Cleveland, Ohio 44135 (United States))

    1993-01-20T23:59:59.000Z

    Component erosion and material deposition sites were identified and analyzed during tests of various configurations of 100 kW class, applied-field, water-cooled magnetoplasmadynamic (MPD) thrusters. Severe erosion of the cathode and the boron nitride insulator was observed for the first series of tests, which was significantly decreased by reducing the levels of propellant contamination. Severe erosion of the copper anode resulting from sputtering by the propellant was also observed. This is the first observation of this phenomenon in MPD thrusters. The anode erosion indicates that development of long life MPD thrusters requires the use of light gas propellants such as hydrogen, deuterium, or lithium.

  3. A 3kW PV-thermal system for home use

    SciTech Connect (OSTI)

    Yang, M.J.; Sato, Mikihiko; Tsuzuki, Kouye; Amono, Takashi; Yamaguchi, Masafumi [Toyota Technical Inst., Tempaku, Nagoya (Japan); Izumi, Hisao [IDEX, Seto, Aichi (Japan); Takamoto, Tatsuya [Japan Energy Corp., Saitama (Japan); Matsunaga, Shigenobu

    1997-12-31T23:59:59.000Z

    A combined 3kW PV-thermal system has been proposed for home use. Combining PV and thermal conversion makes this system economically efficient and competitive with traditional power supplies. GaAs and Si concentrator solar cells have been measured under concentration as candidate for use in this system. InGaP/GaAs tandem solar cells designed for 1-sun operation have been examined under concentration. The potential use of GaInP/GaAs tandem solar cells has been analyzed for this application. The properties of the thermal transfer unit of this system has been evaluated including the cooling of the solar cell holder.

  4. MHK Projects/Evopod E35 35kW grid connected demonstrator | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer Plant Jump to:LandownersLuther, Oklahoma: EnergyMARECInformation kW grid connected

  5. A Guidebook on Grid Interconnection and Islanded Operation of Mini-Grid Power Systems Up to 200 kW

    E-Print Network [OSTI]

    Greacen, Chris

    2014-01-01T23:59:59.000Z

    without voltage transformers. Once a fault condition thattransformer on the ground conductor. Ground overvoltage relay (59N) This relay is used to detect ground faults

  6. Lunar Rover Solar Panel MountTeam Members: Tian Le, Tudor Boiangiu, Jeremy Chan, James Haensel To develop a mechanized mount for a solar panel to

    E-Print Network [OSTI]

    Lunar Rover Solar Panel MountTeam Members: Tian Le, Tudor Boiangiu, Jeremy Chan, James Haensel To develop a mechanized mount for a solar panel to be mounted on a lunar rover. Must be: · capable of orienting panel towards sun · reside on mast extending vertically from rover · capable of unfurling solar

  7. A rubber mount model. Application to automotive equipment suspension

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    A rubber mount model. Application to automotive equipment suspension B. Thomas1, 2 , L. Manin1.manin@insa-lyon.fr Abstract In order to predict the nonlinear dynamic response of automotive equipment supported by rubber identification of the model. The application concerns the suspension of an automotive engine cooling module. 1

  8. Ground Turkey Stroganoff Ingredients

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    Ground Turkey Stroganoff Ingredients: 8 ounces egg noodles, uncooked 1 pound ground turkey 1 onion. Meanwhile, brown ground turkey and onions in non stick skillet until meat is no longer pink and onions cup of egg noodles on plate, top with 1/2 cup of turkey mixture. Equipment: Knife Cutting board

  9. --No Title--

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

    action would involve the installation of a 5-6 kW ground mounted monopole design photovoltaic system adjacent to the security kiosk within the road shoulder at the west entrance...

  10. Model As-of Right Zoning Ordinance or Bylaw: Allowing Use of Large-Scale Solar Energy Facilities

    Broader source: Energy.gov [DOE]

    Note: This model ordinance was designed to provide guidance to local governments seeking to develop siting rules for large-scale, ground-mounted solar (250 kW and above). While it was developed as...

  11. Cooking with Ground Pork

    E-Print Network [OSTI]

    Anding, Jenna

    2008-12-09T23:59:59.000Z

    to thaw. Even when cooked, pork that has been thawed at room temperature can make you sick. Cooking ground pork safely For dishes that contain ground pork, cook the pork before mixing it with other ingredients. How to store cooked ground pork Leftover... dishes made with ground pork should be stored in a covered dish in the refrigerator right away to prevent spoilage. Use it within 3 days. Reheat foods with ground pork until they are steaming hot, bubbling, or at 165 degrees. Other uses Use cooked...

  12. Ground Water Management Act (Virginia)

    Broader source: Energy.gov [DOE]

    Under the Ground Water Management Act of 1992, Virginia manages ground water through a program regulating the withdrawals in certain areas called Ground Water Management Areas (GWMA). Currently,...

  13. Overcoming the Boundary Layer Turbulence at Dome C: Ground-Layer Adaptive Optics versus Tower

    E-Print Network [OSTI]

    Ashley, Michael C. B.

    Overcoming the Boundary Layer Turbulence at Dome C: Ground-Layer Adaptive Optics versus Tower T the boundary layer: mounting a telescope on a tower that physically puts it above the turbulent layer such a goal, two solutions can be proposed. The most intuitive one is to place a telescope on a tower

  14. Development of a 402.5 MHz 140 kW Inductive Output Tube

    SciTech Connect (OSTI)

    R. Lawrence Ives; Michael Read, Robert Jackson

    2012-05-09T23:59:59.000Z

    This report contains the results of Phase I of an SBIR to develop a Pulsed Inductive Output Tube (IOT) with 140 kW at 400 MHz for powering H-proton beams. A number of sources, including single beam and multiple beam klystrons, can provide this power, but the IOT provides higher efficiency. Efficiencies exceeding 70% are routinely achieved. The gain is typically limited to approximately 24 dB; however, the availability of highly efficient, solid state drivers reduces the significance of this limitation, particularly at lower frequencies. This program initially focused on developing a 402 MHz IOT; however, the DOE requirement for this device was terminated during the program. The SBIR effort was refocused on improving the IOT design codes to more accurately simulate the time dependent behavior of the input cavity, electron gun, output cavity, and collector. Significant improvement was achieved in modeling capability and simulation accuracy.

  15. Management Of Hanford KW Basin Knockout Pot Sludge As Spent Nuclear Fuel

    SciTech Connect (OSTI)

    Raymond, R. E. [CH2M HIll Plateau Remediation Company, Richland, WA (United States); Evans, K. M. [AREVA, Avignon (France)

    2012-10-22T23:59:59.000Z

    CH2M HILL Plateau Remediation Company (CHPRC) and AREVA Federal Services, LLC (AFS) have been working collaboratively to develop and deploy technologies to remove, transport, and interim store remote-handled sludge from the 10S-K West Reactor Fuel Storage Basin on the U.S. Department of Energy (DOE) Hanford Site near Richland, WA, USA. Two disposal paths exist for the different types of sludge found in the K West (KW) Basin. One path is to be managed as Spent Nuclear Fuel (SNF) with eventual disposal at an SNF at a yet to be licensed repository. The second path will be disposed as remote-handled transuranic (RH-TRU) waste at the Waste Isolation Pilot Plant (WIPP) in Carlsbad, NM. This paper describes the systems developed and executed by the Knockout Pot (KOP) Disposition Subproject for processing and interim storage of the sludge managed as SNF, (i.e., KOP material).

  16. Test Results From The Idaho National Laboratory 15kW High Temperature Electrolysis Test Facility

    SciTech Connect (OSTI)

    Carl M. Stoots; Keith G. Condie; James E. O'Brien; J. Stephen Herring; Joseph J. Hartvigsen

    2009-07-01T23:59:59.000Z

    A 15kW high temperature electrolysis test facility has been developed at the Idaho National Laboratory under the United States Department of Energy Nuclear Hydrogen Initiative. This facility is intended to study the technology readiness of using high temperature solid oxide cells for large scale nuclear powered hydrogen production. It is designed to address larger-scale issues such as thermal management (feed-stock heating, high temperature gas handling, heat recuperation), multiple-stack hot zone design, multiple-stack electrical configurations, etc. Heat recuperation and hydrogen recycle are incorporated into the design. The facility was operated for 1080 hours and successfully demonstrated the largest scale high temperature solid-oxide-based production of hydrogen to date.

  17. (Acceptance testing of the 150-kW electron-beam furnace)

    SciTech Connect (OSTI)

    Ohriner, E.K.; Howell, C.R.

    1990-09-18T23:59:59.000Z

    The travelers observed the acceptance testing of the 150-kW electron-beam (EB) furnace constructed by Leybold (Hanau) Technologies prior to disassembly and shipping. The testing included: (1) operation of the mold withdrawal system (2) vacuum pumping and vacuum chamber leak-up rates, (3) power stability at full power, (4) x-radiation monitoring at full power, and (5) demonstration of system interlocks for loss of water cooling, loss of vacuum, loss of power, and emergency shutdown. Preliminary training was obtained in furnace operation, EB gun maintenance, and use of the programmable logic controller for beam manipulation. Additional information was obtained on water-cooling requirements and furnace platform construction necessary for the installation. The information gained and training received will greatly assist in minimizing the installation and startup operation costs of the furnace.

  18. Sampling and Analysis Plan for canister liquid and gas sampling at 105-KW fuel storage basin

    SciTech Connect (OSTI)

    Harris, R.A.; Green, M.A.; Makenas, B.J.; Trimble, D.J.

    1995-03-01T23:59:59.000Z

    This Sampling and Analysis Plan (SAP) details the sampling and analyses to be performed on fuel canisters transferred to the Weasel Pit of the 105-KW fuel storage basin. The radionuclide content of the liquid and gas in the canisters must be evaluated to support the shipment of fuel elements to the 300 Area in support of the fuel characterization studies (Abrefah, et al. 1994, Trimble 1995). The following sections provide background information and a description of the facility under investigation, discuss the existing site conditions, present the constituents of concern, outline the purpose and scope of the investigation, outline the data quality objectives (DQO), provide analytical detection limit, precision, and accuracy requirements, and address other quality assurance (QA) issues.

  19. Enertech 2-kW high-reliability wind system. Phase II. Fabrication and testing

    SciTech Connect (OSTI)

    Cordes, J A; Johnson, B A

    1981-06-01T23:59:59.000Z

    A high-reliability wind machine rated for 2 kW in a 9 m/s wind has been developed. Activities are summarized that are centered on the fabrication and testing of prototypes of the wind machine. The test results verified that the wind machine met the power output specification and that the variable-pitch rotor effectively controlled the rotor speed for wind speeds up to 50 mph. Three prototypes of the wind machine were shipped to the Rocky Flats test center in September through November of 1979. Work was also performed to reduce the start-up wind speed. The start-up wind speed to the Enertech facility has been reduced to 4.5 m/s.

  20. A 350 MHz, 200 kW CW, Multiple Beam Inductive Output Tube - Final Report

    SciTech Connect (OSTI)

    R.Lawrece Ives; George Collins; David Marsden Michael Read; Edward Eisen; Takuchi Kamura, Philipp Borchard

    2012-11-28T23:59:59.000Z

    This program developed a 200 kW CW, 350 MHz, multiple beam inductive output tube (MBIOT) for driving accelerator cavities. The MBIOT operates at 30 kV with a gain of 23 dB. The estimated efficiency is 70%. The device uses seven electron beams, each transmitting 1.4 A of current. The tube is approximately six feet long and weighs approximately 400 lbs. The prototype device will be evaluated as a potential RF source for the Advanced Photon Source at Argonne National Laboratory (ANL). Because of issues related to delivery of the electron guns, it was not possible to complete assembly and test of the MBIOT during the Phase II program. The device is being completed with support from Calabazas Creek Research, Inc., Communications & Power Industries, LLC. and the Naval Surface Weapons Center (NSWC) in Dahlgren, VA. The MBIOT will be initially tested at NSWC before delivery to ANL. The testing at NSWC is scheduled for February 2013.

  1. Commercialization of a 2.5kW Utility Interactive Inverter for Distributed Generation

    SciTech Connect (OSTI)

    Torrey, David A.

    2006-05-26T23:59:59.000Z

    Through this project, Advanced Energy Conversion (AEC) has developed, tested, refined and is preparing to commercialize a 2.5kW utility-interactive inverter system for distributed generation. The inverter technology embodies zero-voltage switching technology that will ultimately yield a system that is smaller, less expensive and more efficient than existing commercial technologies. This program has focused on commercial success through careful synthesis of technology, market-focus and business development. AEC was the primary participant. AEC is utilizing contract manufacturers in the early stages of production, allowing its technical staff to focus on quality control issues and product enhancements. The objective of this project was to bring the AEC inverter technology from its current pre-production state to a commercial product. Federal funds have been used to build and test production-intent inverters, support the implementation of the commercialization plan and bring the product to the point of UL certification.

  2. Development and Demonstration of a New Generation High Efficiency 10kW Stationary Fuel Cell System

    SciTech Connect (OSTI)

    Howell, Thomas Russell

    2013-04-30T23:59:59.000Z

    The overall project objective is to develop and demonstrate a polymer electrolyte membrane fuel cell combined heat and power (PEMFC CHP) system that provides the foundation for commercial, mass produced units which achieve over 40% electrical efficiency (fuel to electric conversion) from 50-100% load, greater than 70% overall efficiency (fuel to electric energy + usable waste heat energy conversion), have the potential to achieve 40,000 hours durability on all major process components, and can be produced in high volumes at under $400/kW (revised to $750/kW per 2011 DOE estimates) capital cost.

  3. Design and test results of a 600-kW tetrode amplifier for the Superconducting Super Collider

    SciTech Connect (OSTI)

    Rees, D.E.; Brittain, D.L. [Los Alamos National Lab., NM (United States); Grippe, J.M.; Marrufo, O. [Superconducting Super Collider Lab., Dallas, TX (United States)

    1993-05-01T23:59:59.000Z

    This paper describes the design and testing of a pulsed 600-kW tetrode amplifier that will be used to drive a radiofrequency quadrupole (RFQ) for the Superconducting Super Collider (SSC). Three stages of amplification provide a nominal gain of 77 dB and peak output power of 600 kW. The amplifier is operated at a pulse width of 100 {mu}s and a repetition frequency of 10 Hz. This paper presents the rf design and calculated operating conditions for the amplifier. Details of the electrical design are presented, along with test results.

  4. Design and test results of a 600-kW tetrode amplifier for the Superconducting Super Collider

    SciTech Connect (OSTI)

    Rees, D.E.; Brittain, D.L. (Los Alamos National Lab., NM (United States)); Grippe, J.M.; Marrufo, O. (Superconducting Super Collider Lab., Dallas, TX (United States))

    1993-01-01T23:59:59.000Z

    This paper describes the design and testing of a pulsed 600-kW tetrode amplifier that will be used to drive a radiofrequency quadrupole (RFQ) for the Superconducting Super Collider (SSC). Three stages of amplification provide a nominal gain of 77 dB and peak output power of 600 kW. The amplifier is operated at a pulse width of 100 [mu]s and a repetition frequency of 10 Hz. This paper presents the rf design and calculated operating conditions for the amplifier. Details of the electrical design are presented, along with test results.

  5. Proposal to negotiate a contract, without competitive tendering, for the overhaul of screw compressors for the LHC 18 kW helium refrigeration plants

    E-Print Network [OSTI]

    2012-01-01T23:59:59.000Z

    Proposal to negotiate a contract, without competitive tendering, for the overhaul of screw compressors for the LHC 18 kW helium refrigeration plants

  6. Proposal to negotiate two contracts, without competitive tendering, for the supply and the repair of compressors for the LHC 18 kW helium refrigeration plants

    E-Print Network [OSTI]

    2011-01-01T23:59:59.000Z

    Proposal to negotiate two contracts, without competitive tendering, for the supply and the repair of compressors for the LHC 18 kW helium refrigeration plants

  7. Apparatus for mounting photovoltaic power generating systems on buildings

    DOE Patents [OSTI]

    Russell, Miles C. (Lincoln, MA)

    2009-08-18T23:59:59.000Z

    Rectangular photovoltaic (PV) modules are mounted on a building roof by mounting stands that are distributed in rows and columns. Each stand comprises a base plate and first and second different height brackets attached to opposite ends of the base plate. Each first and second bracket comprises two module-support members. One end of each module is pivotally attached to and supported by a first module-support member of a first bracket and a second module-support member of another first bracket. At its other end each module rests on but is connected by flexible tethers to module-support members of two different second brackets. The tethers are sized to allow the modules to pivot up away from the module-support members on which they rest to a substantially horizontal position in response to wind uplift forces.

  8. Test probe for surface mounted leadless chip carrier

    DOE Patents [OSTI]

    Meyer, Kerry L. (Raytown, MO); Topolewski, John (Lenexa, KS)

    1989-05-23T23:59:59.000Z

    A test probe for a surface mounted leadless chip carrier is disclosed. The probed includes specially designed connector pins which allow size reductions in the probe. A thermoplastic housing provides spring action to ensure good mechanical and electrical contact between the pins and the contact strips of a leadless chip carrier. Other features include flexible wires molded into the housing and two different types of pins alternately placed in the housing. These features allow fabrication of a smaller and simpler test probe.

  9. Vessel Cold-Ironing Using a Barge Mounted PEM Fuel Cell: Project...

    Energy Savers [EERE]

    Vessel Cold-Ironing Using a Barge Mounted PEM Fuel Cell: Project Scoping and Feasibility Vessel Cold-Ironing Using a Barge Mounted PEM Fuel Cell: Project Scoping and Feasibility...

  10. Ventilation efficiencies and thermal comfort results of a desk-edge-mounted task ventilation system

    E-Print Network [OSTI]

    Faulkner, D.; Fisk, W.J.; Sullivan, D.P.; Lee, S.M.

    2003-01-01T23:59:59.000Z

    EDGE-MOUNTED TASK VENTILATION SYSTEM D Faulkner, WJ Fisk, DPDESK-EDGE-MOUNTED TASK VENTILATION SYSTEM D Faulkner * , WJcomfort of a task ventilation system with an air supply

  11. Mount Cheops Cirque Glacier: Response of a Small Debris Covered Glacier to Climate Change

    E-Print Network [OSTI]

    Smith, Dan

    Mount Cheops Cirque Glacier: Response of a Small Debris Covered Glacier of a microclimate cirque glacier on Mount Cheops in Glacier National Park of Canada. Rapidly receding glaciers are becoming an important water resource concern

  12. Ballast-mounted PV arrays: Phase 2 final report

    SciTech Connect (OSTI)

    Edward C. Kern

    2000-03-01T23:59:59.000Z

    The expansive flat rooftops of industrial and commercial buildings across America offer the largest, most secure, and potentially least-cost real estate opportunity to install massive amounts of solar photovoltaic generation in the building sector. Unfortunately, mechanical penetration of roofing membranes is very expensive and perceived by building owners and operators to increase the likelihood of leaking. In response Ascension Technology has pioneered the development of low-cost ballasted approaches for mounting PV arrays. Recently, however, we have experienced our first two instances in which strong winds have moved our arrays on rooftops and heightened our interest, and the PV industries' need, to develop zero-penetration mounting techniques that are more secure, yet remain low in cost. In this PV BONUS project, Ascension Technology and its partners addressed wind loading on solar panels and the suitability of using frictional forces between ballast trays and roofing materials to resist PV arrays sliding on rooftops. The primary goal of the project is to capture the potential cost savings made possible by ballast-mounting by showing under what conditions it can satisfy wind loading concerns. A secondary goal is to address a more geographically constrained concern regarding withstanding seismic forces.

  13. Cooking with Ground Beef

    E-Print Network [OSTI]

    Anding, Jenna

    2008-12-09T23:59:59.000Z

    This fact sheet describes the nutritional value and safe storage of ground beef, a commodity food. It also offers food preparation ideas....

  14. Predaceous Ground Beetles

    E-Print Network [OSTI]

    Sansone, Chris; Minzenmayer, Rick

    2003-06-30T23:59:59.000Z

    Predaceous ground beetles can be a nuisance to homeowners, especially when they are numerous. This publication describes the beetles and discusses ways to prevent and treat them....

  15. Development and testing of 100-kW/ 1-minute Li-ion battery systems for energy storage applications.

    SciTech Connect (OSTI)

    Doughty, Daniel Harvey; Clark, Nancy H.

    2004-07-01T23:59:59.000Z

    Two 100 kW min{sup -1} (1.67 kW h{sup -1}) Li-ion battery energy storage systems (BESS) are described. The systems include a high-power Li-ion battery and a 100 kW power conditioning system (PCS). The battery consists of 12 modules of 12 series-connected Saft Li-ion VL30P cells. The stored energy of the battery ranges from 1.67 to 14 kW h{sup -1} and has an operating voltage window of 515-405 V (dc). Two complete systems were designed, built and successfully passed factory acceptance testing after which each was deployed in a field demonstration. The first demonstration used the system to supplement distributed microturbine generation and to provide load following capability. The system was run at its rated power level for 3 min, which exceeded the battery design goal by a factor of 3. The second demonstration used another system as a stand-alone uninterrupted power supply (UPS). The system was available (online) for 1146 h and ran for over 2 min.

  16. 1?10 kW Stationary Combined Heat and Power Systems Status and Technical Potential: Independent Review

    SciTech Connect (OSTI)

    Maru, H. C.; Singhal, S. C.; Stone, C.; Wheeler, D.

    2010-11-01T23:59:59.000Z

    This independent review examines the status and technical potential of 1-10 kW stationary combined heat and power fuel cell systems and analyzes the achievability of the DOE cost, efficiency, and durability targets for 2012, 2015, and 2020.

  17. STUDY OF THERMAL INTERACTION BETWEEN A 150 KW CW POWER COUPLER AND A SUPERCONDUCTING 704 MHZ ELLIPTICAL CAVITY

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    us also to perform in-situ measurements of thermal parameters needed in the thermal model without degradation of its RF performance. · Determine, by in situ measurements, some unknown thermal) Specification Frequency (MHz) 704 RF power (kW) 150 - CW Impedance () 50 Outer Conductor (OC) material

  18. Design of a 2.5kW Low Temperature Stirling Engine for Distributed Solar Thermal Generation

    E-Print Network [OSTI]

    Sanders, Seth

    Design of a 2.5kW Low Temperature Stirling Engine for Distributed Solar Thermal Generation Mike He on the design of a Stirling engine for distributed solar thermal ap- plications. In particular, we design for experimentation. Stirling engines can have broad significance and technological advantages for distributed

  19. 220,000-r/min, 2-kW Permanent Magnet Motor Drive for Turbocharger Toshihiko Noguchi, Yosuke Takata *

    E-Print Network [OSTI]

    Fujimoto, Hiroshi

    motor (PMSM) drive, into the turbochargers, and describes computer simulation and experimental results such as 220,000 r/min at over 2-kW inverter output with the PMSM and how to raise power density of the motor

  20. Performance Evaluation of a 4.5 kW (1.3 Refrigeration Tons) Air-Cooled Lithium Bromide/Water Solar Powered (Hot-Water-Fired) Absorption Unit

    SciTech Connect (OSTI)

    Zaltash, Abdolreza [ORNL; Petrov, Andrei Y [ORNL; Linkous, Randall Lee [ORNL; Vineyard, Edward Allan [ORNL

    2007-01-01T23:59:59.000Z

    During the summer months, air-conditioning (cooling) is the single largest use of electricity in both residential and commercial buildings with the major impact on peak electric demand. Improved air-conditioning technology has by far the greatest potential impact on the electric industry compared to any other technology that uses electricity. Thermally activated absorption air-conditioning (absorption chillers) can provide overall peak load reduction and electric grid relief for summer peak demand. This innovative absorption technology is based on integrated rotating heat exchangers to enhance heat and mass transfer resulting in a potential reduction of size, cost, and weight of the "next generation" absorption units. Rotartica Absorption Chiller (RAC) is a 4.5 kW (1.3 refrigeration tons or RT) air-cooled lithium bromide (LiBr)/water unit powered by hot water generated using the solar energy and/or waste heat. Typically LiBr/water absorption chillers are water-cooled units which use a cooling tower to reject heat. Cooling towers require a large amount of space, increase start-up and maintenance costs. However, RAC is an air-cooled absorption chiller (no cooling tower). The purpose of this evaluation is to verify RAC performance by comparing the Coefficient of Performance (COP or ratio of cooling capacity to energy input) and the cooling capacity results with those of the manufacturer. The performance of the RAC was tested at Oak Ridge National Laboratory (ORNL) in a controlled environment at various hot and chilled water flow rates, air handler flow rates, and ambient temperatures. Temperature probes, mass flow meters, rotational speed measuring device, pressure transducers, and a web camera mounted inside the unit were used to monitor the RAC via a web control-based data acquisition system using Automated Logic Controller (ALC). Results showed a COP and cooling capacity of approximately 0.58 and 3.7 kW respectively at 35 C (95 F) design condition for ambient temperature with 40 C (104 F) cooling water temperature. This is in close agreement with the manufacturer data of 0.60 for COP and 3.9 kW for cooling capacity. This study resulted in a complete performance map of RAC which will be used to evaluate the potential benefits of rotating heat exchangers in making the "next-generation" absorption chillers more compact and cost effective without any significant degradation in the performance. In addition, the feasibility of using rotating heat exchangers in other applications will be evaluated.

  1. Ground State Quantum Computation

    E-Print Network [OSTI]

    Ari Mizel; M. W. Mitchell; Marvin L. Cohen

    1999-08-11T23:59:59.000Z

    We formulate a novel ground state quantum computation approach that requires no unitary evolution of qubits in time: the qubits are fixed in stationary states of the Hamiltonian. This formulation supplies a completely time-independent approach to realizing quantum computers. We give a concrete suggestion for a ground state quantum computer involving linked quantum dots.

  2. Measured Space Conditioning and Water Heating Performance of a Ground-Source Integrated Heat Pump in a Residential Application

    SciTech Connect (OSTI)

    Munk, Jeffrey D [ORNL] [ORNL; Ally, Moonis Raza [ORNL] [ORNL; Baxter, Van D [ORNL] [ORNL; Gehl, Anthony C [ORNL] [ORNL

    2014-01-01T23:59:59.000Z

    In an effort to reduce residential building energy consumption, a ground-source integrated heat pump was developed to meet a home s entire space conditioning and water heating needs, while providing 50% energy savings relative to a baseline suite of minimum efficiency equipment. A prototype 7.0 kW system was installed in a 344 m2 research house with simulated occupancy in Oak Ridge, TN. The equipment was monitored from June 2012 through January 2013.

  3. Test probe for surface mounted leadless chip carrier

    DOE Patents [OSTI]

    Meyer, K.L.; Topolewski, J.

    1987-10-02T23:59:59.000Z

    A test probe for a surface mounted leadless chip carrier is disclosed. The probe includes specially designed connector pins which allow size reductions in the probe. A thermoplastic housing provides spring action to ensure good mechanical and electrical contact between the pins and the contact strips of a leadless chip carrier. Other features include flexible wires molded into the housing and two different types of pins alternately placed in the housing. These features allow fabrication of a smaller and simpler test probe. 1 fig.

  4. City of Mount Dora, Florida (Utility 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof EnergyInnovationin Urban TransportMartinsville,Minidoka,City of Mount Dora, Florida

  5. City of Mount Hope, Kansas (Utility 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof EnergyInnovationin Urban TransportMartinsville,Minidoka,City of Mount Dora,

  6. Mount Nittany Elementary School Wind Turbine | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRose BendMiasole IncMinutemanVistaZephyr) JumpMorroMoultonMount Nittany

  7. Mount Wachusetts Community College Wind Project | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRose BendMiasole IncMinutemanVistaZephyr) JumpMorroMoultonMountCommunity

  8. Mount Airy, Maryland: 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 onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer Plant JumpMarysville,Missoula,MontereyHill, California:Morse,Wave Group JumpMount Airy,

  9. Mount Arlington, 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 onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer Plant JumpMarysville,Missoula,MontereyHill, California:Morse,Wave Group JumpMount

  10. Mount Calm, 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 onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer Plant JumpMarysville,Missoula,MontereyHill, California:Morse,Wave Group JumpMountCalm,

  11. Dynamic simulation of 10 kW Brayton cryocooler for HTS cable

    SciTech Connect (OSTI)

    Chang, Ho-Myung; Park, Chan Woo [Hong Ik University, Department of Mechanical Engineering, Seoul, 121-791 (Korea, Republic of); Yang, Hyung Suk; Hwang, Si Dole [KEPCO Research Institute, Daejeon, 305-760 (Korea, Republic of)

    2014-01-29T23:59:59.000Z

    Dynamic simulation of a Brayton cryocooler is presented as a partial effort of a Korean governmental project to develop 1?3 km HTS cable systems at transmission level in Jeju Island. Thermodynamic design of a 10 kW Brayton cryocooler was completed, and a prototype construction is underway with a basis of steady-state operation. This study is the next step to investigate the transient behavior of cryocooler for two purposes. The first is to simulate and design the cool-down process after scheduled or unscheduled stoppage. The second is to predict the transient behavior following the variation of external conditions such as cryogenic load or outdoor temperature. The detailed specifications of key components, including plate-fin heat exchangers and cryogenic turbo-expanders are incorporated into a commercial software (Aspen HYSYS) to estimate the temporal change of temperature and flow rate over the cryocooler. An initial cool-down scenario and some examples on daily variation of cryocooler are presented and discussed, aiming at stable control schemes of a long cable system.

  12. System and method for reproducibly mounting an optical element

    DOE Patents [OSTI]

    Eisenbies, Stephen; Haney, Steven

    2005-05-31T23:59:59.000Z

    The present invention provides a two-piece apparatus for holding and aligning the MEMS deformable mirror. The two-piece apparatus comprises a holding plate for fixedly holding an adaptive optics element in an overall optical system and a base spatially fixed with respect to the optical system and adapted for mounting and containing the holding plate. The invention further relates to a means for configuring the holding plate through adjustments to each of a number of off-set pads touching each of three orthogonal plane surfaces on the base, wherein through the adjustments the orientation of the holding plate, and the adaptive optics element attached thereto, can be aligned with respect to the optical system with six degrees of freedom when aligning the plane surface of the optical element. The mounting system thus described also enables an operator to repeatedly remove and restore the adaptive element in the optical system without the need to realign the system once that element has been aligned.

  13. Ground potential rise monitor

    DOE Patents [OSTI]

    Allen, Zachery Warren; Zevenbergen, Gary Allen

    2012-07-17T23:59:59.000Z

    A device and method for detecting ground potential rise (GPR) comprising a first electrode, a second electrode, and a voltage attenuator. The first electrode and the second electrode are both electrically connected to the voltage attenuator. A means for determining the presence of a dangerous ground potential is connected to the voltage attenuator. The device and method further comprises a means for enabling one or more alarms upon the detection of the dangerous ground potential. Preferably, a first transmitter/receiver is connected to the means for enabling one or more alarms. Preferably, a second transmitter/receiver, comprising a button, is electromagnetically connected to the first transmitter/receiver. Preferably, the means for determining the presence of a dangerous ground potential comprises a means for determining the true RMS voltage at the output of the voltage attenuator, a transient detector connected to the output of the voltage attenuator, or a combination thereof.

  14. Wind Turbinie Generator System Power Performance Test Report for the Mariah Windspire 1-kW Wind Turbine

    SciTech Connect (OSTI)

    Huskey, A.; Bowen, A.; Jager, D.

    2009-12-01T23:59:59.000Z

    This report summarizes the results of a power performance test that NREL conducted on the Mariah Windspire 1-kW wind turbine. During this test, two configurations were tested on the same turbine. In the first configuration, the turbine inverter was optimized for power production. In the second configuration, the turbine inverter was set for normal power production. In both configurations, the inverter experienced failures and the tests were not finished.

  15. Design and RF measurements of a 5 GHz 500 kW window for the ITER LHCD system

    E-Print Network [OSTI]

    Hillairet, Julien; Dechambre, N; Delpech, L; Ekedahl, A; Faure, N; Goniche, M; Kim, J; Larroque, S; Magne, R; Marfisi, L; Namkung, W; Park, H; Park, S; Poli, S; Vulliez, K

    2015-01-01T23:59:59.000Z

    CEA/IRFM is conducting R\\&D efforts in order to validate the critical RF components of the 5 GHz ITER LHCD system, which is expected to transmit 20 MW of RF power to the plasma. Two 5 GHz 500 kW BeO pill-box type window prototypes have been manufactured in 2012 by the PMB Company, in close collaboration with CEA/IRFM. Both windows have been validated at low power, showing good agreement between measured and modeling, with a return loss better than 32 dB and an insertion loss below 0.05 dB. This paper reports on the window RF design and the low power measurements. The high power tests up to 500kW have been carried out in March 2013 in collaboration with NFRI. Results of these tests are also reported. In the current ITER LHCD design, 20 MW Continuous Wave (CW) of Radio-Frequency power at 5 GHz are expected to be generated and transmitted to the plasma. In order to separate the vacuum vessel pressure from the cryostat waveguide pressure, forty eight 5 GHz 500kW CW windows are to be assembled on the waveguide...

  16. Regenerative braking device with rotationally mounted energy storage means

    DOE Patents [OSTI]

    Hoppie, Lyle O. (Birmingham, MI)

    1982-03-16T23:59:59.000Z

    A regenerative braking device for an automotive vehicle includes an energy storage assembly (12) having a plurality of rubber rollers (26, 28) mounted for rotation between an input shaft (30) and an output shaft (32), clutches (50, 56) and brakes (52, 58) associated with each shaft, and a continuously variable transmission (22) connectable to a vehicle drivetrain and to the input and output shafts by the respective clutches. In a second embodiment the clutches and brakes are dispensed with and the variable ratio transmission is connected directly across the input and output shafts. In both embodiments the rubber rollers are torsionally stressed to accumulate energy from the vehicle when the input shaft rotates faster or relative to the output shaft and are torsionally relaxed to deliver energy to the vehicle when the output shaft rotates faster or relative to the input shaft.

  17. Adapter plate assembly for adjustable mounting of objects

    DOE Patents [OSTI]

    Blackburn, R.S.

    1986-05-02T23:59:59.000Z

    An adapter plate and two locking discs are together affixed to an optic table with machine screws or bolts threaded into a fixed array of internally threaded holes provided in the table surface. The adapter plate preferably has two, and preferably parallel, elongated locating slots each freely receiving a portion of one of the locking discs for secure affixation of the adapter plate to the optic table. A plurality of threaded apertures provided in the adapter plate are available to attach optical mounts or other devices onto the adapter plate in an orientation not limited by the disposition of the array of threaded holes in the table surface. An axially aligned but radially offset hole through each locking disc receives a screw that tightens onto the table, such that prior to tightening of the screw the locking disc may rotate and translate within each locating slot of the adapter plate for maximum flexibility of the orientation thereof.

  18. Adapter plate assembly for adjustable mounting of objects

    DOE Patents [OSTI]

    Blackburn, Robert S. (Albuquerque, NM)

    1987-01-01T23:59:59.000Z

    An adapter plate and two locking discs are together affixed to an optic table with machine screws or bolts threaded into a fixed array of internally threaded holes provided in the table surface. The adapter plate preferably has two, and preferably parallel, elongated locating slots each freely receiving a portion of one of the locking discs for secure affixation of the adapter plate to the optic table. A plurality of threaded apertures provided in the adapter plate are available to attach optical mounts or other devices onto the adapter plate in an orientation not limited by the disposition of the array of threaded holes in the table surface. An axially aligned but radially offset hole through each locking disc receives a screw that tightens onto the table, such that prior to tightening of the screw the locking disc may rotate and translate within each locating slot of the adapter plate for maximum flexibility of the orientation thereof.

  19. Wind loading on tracking and field-mounted solar collectors

    SciTech Connect (OSTI)

    Murphy, L.M.

    1980-12-01T23:59:59.000Z

    Current design and testing procedures for wind loading are discussed. The test results corresponding to numerous wind tests on heliostats, parabolic troughs, parabolic dishes, and field mounted photovoltaic arrays are discussed and the applicability of the findings across the various technologies is assessed. One of the most significant consistencies in the data from all of the technologies is the apparent benefit provided by fences and field shielding. Taken in toto, these data show that load reductions of three, or possibly more, seem feasible, though a more thorough understanding of the phenomena involved must be attained before this benefit can be realized. It is recommended that the required understanding be developed to take advantage of this benefit and that field tests be conducted to correlate with both analyses and tests.

  20. Direct mounted photovoltaic device with improved adhesion and method thereof

    DOE Patents [OSTI]

    Boven, Michelle L; Keenihan, James R; Lickly, Stan; Brown, Jr., Claude; Cleereman, Robert J; Plum, Timothy C

    2014-12-23T23:59:59.000Z

    The present invention is premised upon a photovoltaic device suitable for directly mounting on a structure. The device includes an active portion including a photovoltaic cell assembly having a top surface portion that allows transmission of light energy to a photoactive portion of the photovoltaic device for conversion into electrical energy and a bottom surface having a bottom bonding zone; and an inactive portion immediately adjacent to and connected to the active portion, the inactive portion having a region for receiving a fastener to connect the device to the structure and having on a top surface, a top bonding zone; wherein one of the top and bottom bonding zones comprises a first bonding element and the other comprises a second bonding element, the second bonding element designed to interact with the first bonding element on a vertically overlapped adjacent photovoltaic device to bond the device to such adjacent device or to the structure.

  1. An investigation of the effects of luminaire mounting height on roadside sign placement and visibility

    E-Print Network [OSTI]

    Walton, Ned Ephram

    1966-01-01T23:59:59.000Z

    . ometer. . 21 V-1 Iso-footcand i. e Curve 30-foot Mounting Height. . . . . . . . . . . . . . . 28 Iso-footcandle Curve 40-foot Mount ing Height. . . . . . . . . . . . , . 29 V-3 Effects on Legibility Distance for C'ondit tons Shown... for Cond it rona Shown . 55 9-15 Sign Bright ress and Disabrlity Vetting Brightness for Horditior. s Shown. 56 V- 16 Sign Brigncness and Disability Veiling Brightness for 30- and 40- foot. Mounting Heights. . . . . . . . . . . . . . v-17 Sign...

  2. Methane Hydrate Dissociation by Depressurization in a Mount Elbert Sandstone Sample: Experimental Observations and Numerical Simulations

    E-Print Network [OSTI]

    Kneafsey, T.

    2012-01-01T23:59:59.000Z

    had been mounted to a PVC endpiece having a thermocouplethe center. The opposing PVC endpiece with a thermocoupleglycol/water through the PVC jacket surrounding the aluminum

  3. E-Print Network 3.0 - automated surface mount Sample Search Results

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

    automated, including parking garages. Less effort, fewer collisions... What's to lose? Vehicle... distance sensors One mounted in the front to detect obstacles to forward...

  4. Ventilation efficiencies of a desk-edge-mounted task ventilation system

    E-Print Network [OSTI]

    Faulkner, David; Fisk, William J.; Sullivan, Douglas P.; Lee, Seung Min

    2002-01-01T23:59:59.000Z

    DESK-EDGE-MOUNTED TASK VENTILATION SYSTEM D Faulkner * , WJthe effectiveness of a task ventilation system with an airthe desk. The task ventilation system provided outside air,

  5. IMPLEMENTING GROUND SOURCE HEAT PUMP AND GROUND LOOP HEAT EXCHANGER

    E-Print Network [OSTI]

    IMPLEMENTING GROUND SOURCE HEAT PUMP AND GROUND LOOP HEAT EXCHANGER MODELS IN THE ENERGYPLUS #12;ii IMPLEMENTING GROUND SOURCE HEAT PUMP AND GROUND LOOP HEAT EXCHANGER MODELS IN THE ENERGYPLUS............................................................... 2 1.3. Overview of the Parameter Estimation Water-to-Water Heat Pump Model ........... 5 1

  6. Ground-source heat pump case studies and utility programs

    SciTech Connect (OSTI)

    Lienau, P.J.; Boyd, T.L.; Rogers, R.L.

    1995-04-01T23:59:59.000Z

    Ground-source heat pump systems are one of the promising new energy technologies that has shown rapid increase in usage over the past ten years in the United States. These systems offer substantial benefits to consumers and utilities in energy (kWh) and demand (kW) savings. The purpose of this study was to determine what existing monitored data was available mainly from electric utilities on heat pump performance, energy savings and demand reduction for residential, school and commercial building applications. In order to verify the performance, information was collected for 253 case studies from mainly utilities throughout the United States. The case studies were compiled into a database. The database was organized into general information, system information, ground system information, system performance, and additional information. Information was developed on the status of demand-side management of ground-source heat pump programs for about 60 electric utility and rural electric cooperatives on marketing, incentive programs, barriers to market penetration, number units installed in service area, and benefits.

  7. A validation of ground penetrating radar for reconstructing the internal structure of a rock glacier: Mount Mestas, Colorado, USA

    E-Print Network [OSTI]

    Jorgensen, William Revis

    2009-05-15T23:59:59.000Z

    Rock glaciers are dynamic landforms and, as such, exhibit interesting and welldeveloped structural features, which translate to surface morphology in the form of ridges and furrows. These distinguishing features have led researchers to study...

  8. Moving Bottlenecks: A Theory Grounded on Experimental Observation

    E-Print Network [OSTI]

    Daganzo, Carlos F.

    that can be integrated with kinematic wave (KW) theory and also with variants of this theory that account bottleneck closely matches the vehicular density of kinematic wave (KW) theory, in agreement with existing

  9. Advanced, High-Reliability, System-Integrated 500kW PV Inverter Development: Final Subcontract Report, 29 September 2005 - 31 May 2008

    SciTech Connect (OSTI)

    West, R.

    2008-08-01T23:59:59.000Z

    Xantrex Technology accomplished subcontract goals of reducing parts cost, weight, and size of its 500-kW inverter by 25% compared to state-of-the-art PV inverters, while extending reliability by 25%.

  10. Presented at SRM Annual Conference, OKC, OK 2/5/2013 K.W. Tate, L.M. Roche, M.R. George, UC Davis 1

    E-Print Network [OSTI]

    Tate, Kenneth

    Presented at SRM Annual Conference, OKC, OK 2/5/2013 K.W. Tate, L.M. Roche, M.R. George, UC Davis 1, L.M. Roche, M.R. George, UC Davis 2 · Offstream attractants such as water tanks and supplement in runoff #12;Presented at SRM Annual Conference, OKC, OK 2/5/2013 K.W. Tate, L.M. Roche, M.R. George, UC

  11. The detection and modelling of surface thermal structures and ground water discharges

    E-Print Network [OSTI]

    Roberts, Douglas Vincent

    1985-01-01T23:59:59.000Z

    . , Southern Illinois University Chairman of Advisory Committee: Dr. Earl R. Hoskins On March 29, 1973, data were collected by a thermal infrared scanner mounted in a twin-engine aircraft over a 55-mile stretch of the Clark Fork River in northwestern... on a VAX Il/750 interfaced with an I'S Model 70 processing system. Both qualitative and quantitative processing techniques were employed to identify and describe the surface temperature patterns and ground water discharges into the river. Computer...

  12. Performance of an efficient 6 kW helium refrigerator for the LEP 200 project at CERN

    SciTech Connect (OSTI)

    Erdt, W.K.; Frandsen, P.; Guesewell, D.; Solheim, N.O.; Winkler, G. [CERN, Geneva (Switzerland); Kurtcuoglu, K.; Loehlein, K.; Senn, A.E.; Wagner, U.; Ziegler, B. [LINDE KRYOTECHNIK, Pfungen (Switzerland)

    1994-12-31T23:59:59.000Z

    CERN has installed helium refrigeration plants for the LEP 200 project in 1991 with an equivalent refrigeration capacity of 6 kW at 4.5 K. The cold boxes of the plants were specified to be installed in the LEP tunnel and were therefore limited regarding their physical size. The LINDE helium refrigeration plant combines an extremely compact construction with a remarkably good cycle efficiency. It was in part achieved by arranging 3 expansion turbines in the temperature region below 20 K, one of which expands to roughly saturated liquid. The paper describes the system, the results of performance measurements, and the experience obtained during more than one year of operation.

  13. Gigawatt peak power generation in a relativistic klystron amplifier driven by 1 kW seed-power

    SciTech Connect (OSTI)

    Wu, Y. [Institute of Applied Electronics, China Academy of Engineering Physics, Mianyang 621900 (China) [Institute of Applied Electronics, China Academy of Engineering Physics, Mianyang 621900 (China); Science and Technology on High Power Microwave Laboratory, Mianyang 621900 (China); Xie, H. Q. [College of Science, Southwestern University of Science and Technology, Mianyang 621010 (China)] [College of Science, Southwestern University of Science and Technology, Mianyang 621010 (China); Li, Z. H.; Zhang, Y. J.; Ma, Q. S. [Institute of Applied Electronics, China Academy of Engineering Physics, Mianyang 621900 (China)] [Institute of Applied Electronics, China Academy of Engineering Physics, Mianyang 621900 (China)

    2013-11-15T23:59:59.000Z

    An S-band high gain relativistic klystron amplifier driven by kW-level RF power is proposed and studied experimentally. In the device, the RF lossy material is introduced to suppress higher mode excitation. An output power of 1.95 GW with a gain of 62.8 dB is obtained in the simulation. Under conditions of an input RF power of 1.38 kW, a microwave pulse with power of 1.9 GW, frequency of 2.86 GHz, and duration of 105 ns is generated in the experiment, and the corresponding gain is 61.4 dB.

  14. Exergy and Energy analysis of a ground-source heat pump for domestic water heating under simulated occupancy conditions

    SciTech Connect (OSTI)

    Ally, Moonis Raza [ORNL; Munk, Jeffrey D [ORNL; Baxter, Van D [ORNL; Gehl, Anthony C [ORNL

    2012-01-01T23:59:59.000Z

    This paper presents detailed analysis of a water to water ground source heat pump (WW-GSHP) to provide all the hot water needs in a 345 m2 house located in DOE climate zone 4 (mixed-humid). The protocol for hot water use is based on the Building America Research Benchmark Definition (Hendron 2008; Hendron and Engebrecht 2010) which aims to capture the living habits of the average American household and its impact on energy consumption. The entire house was operated under simulated occupancy conditions. Detailed energy and exergy analysis provides a complete set of information on system efficiency and sources of irreversibility, the main cause of wasted energy. The WW-GSHP was sized at 5.275 kW (1.5-ton) for this house and supplied hot water to a 303 L (80 gal) water storage tank. The WW-GSHP shared the same ground loop with a 7.56 kW (2.1-ton) water to air ground source heat pump (WA-GSHP) which provided space conditioning needs to the entire house. Data, analyses, and measures of performance for the WW-GSHP in this paper complements the results of the WA-GSHP published in this journal (Ally, Munk et al. 2012). Understanding the performance of GSHPs is vital if the ground is to be used as a viable renewable energy resource.

  15. GROUND WATER CONTAMINATION

    SciTech Connect (OSTI)

    Unknown

    1999-09-01T23:59:59.000Z

    As required by the terms of the above referenced grant, the following summary serves as the Final Report for that grant. The grant relates to work performed at two separate sites, the Hoe Creek Underground Coal Gasification Site south of Gillette, Wyoming, and the Rock Springs In-Situ Oil Shale Retort Site near Rock Springs, Wyoming. The primary concern to the State of Wyoming at each site is ground water contamination (the primary contaminants of concern are benzene and related compounds), and the purpose of the grant has been to provide tiding for a Geohydrologist at the appropriate State agency, specifically the Land Quality Division (LQD) of the Wyoming Department of Environmental Quality. The LQD Geohydrologist has been responsible for providing technical and regulatory support to DOE for ground water remediation and subsequent surface reclamation. Substantial progress has been made toward remediation of the sites, and continuation of LQD involvement in the remediation and reclamation efforts is addressed.

  16. MODELING OF VERTICAL GROUND LOOP HEAT EXCHANGERS FOR GROUND SOURCE

    E-Print Network [OSTI]

    MODELING OF VERTICAL GROUND LOOP HEAT EXCHANGERS FOR GROUND SOURCE HEAT PUMP SYSTEMS By CENK SOURCE HEAT PUMP SYSTEMS Thesis Approved: ___________________________________________ Thesis Adviser scale test data. The short-term behavior of ground-coupled heat pump systems is important for the design

  17. Scaling and Optimization of Magnetic Refrigeration for Commercial Building HVAC Systems Greater than 175 kW in Capacity

    SciTech Connect (OSTI)

    Abdelaziz, Omar [ORNL] [ORNL; West, David L [ORNL] [ORNL; Mallow, Anne M [ORNL] [ORNL

    2012-01-01T23:59:59.000Z

    Heating, ventilation, air-conditioning and refrigeration (HVACR) account for approximately one- third of building energy consumption. Magnetic refrigeration presents an opportunity for significant energy savings and emissions reduction for serving the building heating, cooling, and refrigeration loads. In this paper, we have examined the magnet and MCE material requirements for scaling magnetic refrigeration systems for commercial building cooling applications. Scaling relationships governing the resources required for magnetic refrigeration systems have been developed. As system refrigeration capacity increases, the use of superconducting magnet systems becomes more applicable, and a comparison is presented of system requirements for permanent and superconducting (SC) magnetization systems. Included in this analysis is an investigation of the ability of superconducting magnet based systems to overcome the parasitic power penalty of the cryocooler used to keep SC windings at cryogenic temperatures. Scaling relationships were used to develop the initial specification for a SC magnet-based active magnetic regeneration (AMR) system. An optimized superconducting magnet was designed to support this system. In this analysis, we show that the SC magnet system consisting of two 0.38 m3 regenerators is capable of producing 285 kW of cooling power with a T of 28 K. A system COP of 4.02 including cryocooler and fan losses which illustrates that an SC magnet-based system can operate with efficiency comparable to traditional systems and deliver large cooling powers of 285.4 kW (81.2 Tons).

  18. Ground-Based Radar

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power AdministrationField8,Dist.NewofGeothermal Heaton Armed ServicesGround-Based Microwave

  19. Design and development of an automated pinning machine for the surface mount electronics industry

    E-Print Network [OSTI]

    Cook, Daniel J., M. Eng. (Daniel James). Massachusetts Institute of Technology

    2012-01-01T23:59:59.000Z

    This thesis describes the development of a concept for a pinning process and the associated machinery to handle odd-form pins specific to a company in the surface mount electronics industry. The developed pinning machine ...

  20. Surface mounted PCB cleaning process improvement and Its impact on manufacturing system performance

    E-Print Network [OSTI]

    Rajendran, Nikith

    2011-01-01T23:59:59.000Z

    In the surface mount technology (SMT) assembly line, the printed circuit boards (PCB) are washed to remove the solder flux that was used while soldering to prevent oxidation. However the current cleaning method is highly ...

  1. An Experimental Evaluation of Duct-Mounted Relative Humidity Sensors: Part 2 – Accuracy Results 

    E-Print Network [OSTI]

    Joshi, S.N.; Pate, M.B.; Nelson, R.M; House, J.H.; Klaasen, C.J.

    2005-01-01T23:59:59.000Z

    Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. An Experimental Evaluation of Duct-Mounted Relative Humidity Sensors: Part 2-Accuracy Results Joshi, Shailesh N;House, John M;Pate, Michael B...

  2. An Experimental Evaluation of Duct-Mounted Relative Humidity Sensors: Part 1 – Test and Evaluation Procedures 

    E-Print Network [OSTI]

    Joshi, S.N.; Pate, M.B.; Nelson, R.M.; House, R.H.; Klaasen, C.J.

    2005-01-01T23:59:59.000Z

    Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. An Experimental Evaluation of Duct-Mounted Relative Humidity Sensors: Part 1, Test and Evaluation... Joshi, Shailesh N;Pate, Michael B...

  3. Vessel Cold-Ironing Using a Barge Mounted PEM Fuel Cell: Project...

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

    Unlimited Release Printed February 2013 Vessel Cold-Ironing Using a Barge Mounted PEM Fuel Cell: Project Scoping and Feasibility Joseph W. Pratt and Aaron P. Harris Prepared by...

  4. Near-Surface imaging of a hydrogeothermal system at Mount Princeton...

    Open Energy Info (EERE)

    imaging of a hydrogeothermal system at Mount Princeton, Colorado using 3D seismic, self-potential, and dc resistivity data Jump to: navigation, search OpenEI Reference LibraryAdd...

  5. Cleaning process development and optimization in the surface mount assembly line of power modules

    E-Print Network [OSTI]

    Mukherjee, Ishan

    2011-01-01T23:59:59.000Z

    The cleaning process in the surface mount assembly line of power modules had been found to insufficiently remove solder flux residue from printed circuit board (PCB) assemblies after the process of reflow soldering. This ...

  6. An Updated Procedure for Tare and Interference Wind Tunnel Testing of Strut-Mounted Models

    E-Print Network [OSTI]

    Kutz, Douglas M

    2014-05-02T23:59:59.000Z

    to the presence of wind tunnel walls. The standard correction procedure adjusts for the presence of these boundaries using approximations based on linear potential flow theory. Separately,tare and interference removal involves the linear subtraction of mounting...

  7. Review of the State-of-the-Art in Power Electronics Suitable for 10-KW Military Power Systems

    SciTech Connect (OSTI)

    Staunton, R.H.

    2003-12-19T23:59:59.000Z

    The purpose of this report is to document the technological opportunities of integrating power electronics-based inverters into a TEP system, primarily in the 10-kW size range. The proposed enhancement offers potential advantages in weight reduction, improved efficiency, better performance in a wider range of generator operating conditions, greater versatility and adaptability, and adequate reliability. In order to obtain strong assurance of the availability of inverters that meet required performance and reliability levels, a market survey was performed. The survey obtained positive responses from several manufacturers in the motor drive and distributed generation industries. This study also includes technology reviews and assessments relating to circuit topologies, reliability issues, vulnerability to pulses of electromagnetic energy, potential improvements in semiconductor materials, and potential performance improvement through cryogenics.

  8. Advanced Photovoltaic Inverter Functionality using 500 kW Power Hardware-in-Loop Complete System Laboratory Testing: Preprint

    SciTech Connect (OSTI)

    Mather, B. A.; Kromer, M. A.; Casey, L.

    2013-01-01T23:59:59.000Z

    With the increasing penetration of distribution connected photovoltaic (PV) systems, more and more PV developers and utilities are interested in easing future PV interconnection concerns by mitigating some of the impacts of PV integration using advanced PV inverter controls and functions. This paper describes the testing of a 500 kW PV inverter using Power Hardware-in-Loop (PHIL) testing techniques. The test setup is described and the results from testing the inverter in advanced functionality modes, not commonly used in currently interconnected PV systems, are presented. PV inverter operation under PHIL evaluation that emulated both the DC PV array connection and the AC distribution level grid connection are shown for constant power factor (PF) and constant reactive power (VAr) control modes. The evaluation of these modes was completed under varying degrees of modeled PV variability.

  9. Development of a Residential Ground-Source Integrated Heat Pump

    SciTech Connect (OSTI)

    Rice, C Keith [ORNL] [ORNL; Baxter, Van D [ORNL] [ORNL; Hern, Shawn [ClimateMaster, Inc.] [ClimateMaster, Inc.; McDowell, Tim [Thermal Energy System Specialists, LLC] [Thermal Energy System Specialists, LLC; Munk, Jeffrey D [ORNL] [ORNL; Shen, Bo [ORNL] [ORNL

    2013-01-01T23:59:59.000Z

    A residential-size ground-source integrated heat pump (GSIHP) system has been developed and is currently being field tested. The system is a nominal 2-ton (7 kW) cooling capacity, variable-speed unit, which is multi-functional, e.g. space cooling, space heating, dedicated water heating, and simultaneous space cooling and water heating. High-efficiency brushless permanent-magnet (BPM) motors are used for the compressor, indoor blower, and pumps to obtain the highest component performance and system control flexibility. Laboratory test data were used to calibrate a vapor-compression simulation model (HPDM) for each of the four primary modes of operation. The model was used to optimize the internal control options and to simulate the selected internal control strategies, such as controlling to a constant air supply temperature in the space heating mode and a fixed water temperature rise in water heating modes. Equipment performance maps were generated for each operation mode as functions of all independent variables for use in TRNSYS annual energy simulations. These were performed for the GSIHP installed in a well-insulated 2600 ft2(242 m2) house and connected to a vertical ground loop heat exchanger(GLHE). We selected a 13 SEER (3.8 CSPF )/7.7 HSPF (2.3 HSPF, W/W) ASHP unit with 0.90 Energy Factor (EF) resistance water heater as the baseline for energy savings comparisons. The annual energy simulations were conducted over five US climate zones. In addition, appropriate ground loop sizes were determined for each location to meet 10-year minimum and maximum design entering water temperatures (EWTs) to the equipment. The prototype GSIHP system was predicted to use 52 to 59% less energy than the baseline system while meeting total annual space conditioning and water heating loads.

  10. Ground potential rise monitor

    DOE Patents [OSTI]

    Allen, Zachery W. (Mandan, ND); Zevenbergen, Gary A. (Arvada, CO)

    2012-04-03T23:59:59.000Z

    A device and method for detecting ground potential rise (GPR) comprising positioning a first electrode and a second electrode at a distance from each other into the earth. The voltage of the first electrode and second electrode is attenuated by an attenuation factor creating an attenuated voltage. The true RMS voltage of the attenuated voltage is determined creating an attenuated true RMS voltage. The attenuated true RMS voltage is then multiplied by the attenuation factor creating a calculated true RMS voltage. If the calculated true RMS voltage is greater than a first predetermined voltage threshold, a first alarm is enabled at a local location. If user input is received at a remote location acknowledging the first alarm, a first alarm acknowledgment signal is transmitted. The first alarm acknowledgment signal is then received at which time the first alarm is disabled.

  11. Burial Ground Expansion Hydrogeologic Characterization

    SciTech Connect (OSTI)

    Gaughan , T.F.

    1999-02-26T23:59:59.000Z

    Sirrine Environmental Consultants provided technical oversight of the installation of eighteen groundwater monitoring wells and six exploratory borings around the location of the Burial Ground Expansion.

  12. Ground-based transmission line conductor motion sensor

    SciTech Connect (OSTI)

    Jacobs, M.L.; Milano, U.

    1988-08-22T23:59:59.000Z

    A ground-based-conductor motion-sensing apparatus is provided for remotely sensing movement of electric-power transmission lines, particularly as would occur during the wind-induced condition known as galloping. The apparatus is comprised of a motion sensor and signal-generating means which are placed underneath a transmission line and will sense changes in the electric field around the line due to excessive line motion. The detector then signals a remote station when a conditioning of galloping is sensed. The apparatus of the present invention is advantageous over the line-mounted sensors of the prior art in that it is easier and less hazardous to install. The system can also be modified so that a signal will only be given when particular conditions, such as specific temperature range, large-amplitude line motion, or excessive duration of the line motion, are occurring.

  13. Ground Turkey Stir Fry Ingredients

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    Ground Turkey Stir Fry Ingredients: 1 1/2 cups brown rice, medium- grain, making 3 cups cooked 1 pound ground turkey 4 zucchini 1 onion 1 green pepper 1/4 teaspoon pepper Directions 1. Cook brown rice turkey in skillet and use a spatula to break beef into small pieces as it browns. Keep on stirring

  14. Regional analysis of ground and above-ground climate

    SciTech Connect (OSTI)

    Not Available

    1981-12-01T23:59:59.000Z

    The regional suitability of underground construction as a climate control technique is discussed with reference to (1) a bioclimatic analysis of long-term weather data for 29 locations in the United States to determine appropriate above ground climate control techniques, (2) a data base of synthesized ground temperatures for the coterminous United States, and (3) monthly dew point ground temperature comparisons for identifying the relative likelihood of condensation from one region to another. It is concluded that the suitability of earth tempering as a practice and of specific earth-sheltered design stereotypes varies geographically; while the subsurface almost always provides a thermal advantage on its own terms when compared to above ground climatic data, it can, nonetheless, compromise the effectiveness of other, regionally more important climate control techniques. Also contained in the report are reviews of above and below ground climate mapping schemes related to human comfort and architectural design, and detailed description of a theoretical model of ground temperature, heat flow, and heat storage in the ground. Strategies of passive climate control are presented in a discussion of the building bioclimatic analysis procedure which has been applied in a computer analysis of 30 years of weather data for each of 29 locations in the United States.

  15. Integrated crystal mounting and alignment system for high-throughput biological crystallography

    DOE Patents [OSTI]

    Nordmeyer, Robert A. (San Leandro, CA); Snell, Gyorgy P. (Richmond, CA); Cornell, Earl W. (Antioch, CA); Kolbe, William F. (Moraga, CA); Yegian, Derek T. (Oakland, CA); Earnest, Thomas N. (Berkeley, CA); Jaklevich, Joseph M. (Lafayette, CA); Cork, Carl W. (Walnut Creek, CA); Santarsiero, Bernard D. (Chicago, IL); Stevens, Raymond C. (La Jolla, CA)

    2007-09-25T23:59:59.000Z

    A method and apparatus for the transportation, remote and unattended mounting, and visual alignment and monitoring of protein crystals for synchrotron generated x-ray diffraction analysis. The protein samples are maintained at liquid nitrogen temperatures at all times: during shipment, before mounting, mounting, alignment, data acquisition and following removal. The samples must additionally be stably aligned to within a few microns at a point in space. The ability to accurately perform these tasks remotely and automatically leads to a significant increase in sample throughput and reliability for high-volume protein characterization efforts. Since the protein samples are placed in a shipping-compatible layered stack of sample cassettes each holding many samples, a large number of samples can be shipped in a single cryogenic shipping container.

  16. Integrated crystal mounting and alignment system for high-throughput biological crystallography

    DOE Patents [OSTI]

    Nordmeyer, Robert A.; Snell, Gyorgy P.; Cornell, Earl W.; Kolbe, William; Yegian, Derek; Earnest, Thomas N.; Jaklevic, Joseph M.; Cork, Carl W.; Santarsiero, Bernard D.; Stevens, Raymond C.

    2005-07-19T23:59:59.000Z

    A method and apparatus for the transportation, remote and unattended mounting, and visual alignment and monitoring of protein crystals for synchrotron generated x-ray diffraction analysis. The protein samples are maintained at liquid nitrogen temperatures at all times: during shipment, before mounting, mounting, alignment, data acquisition and following removal. The samples must additionally be stably aligned to within a few microns at a point in space. The ability to accurately perform these tasks remotely and automatically leads to a significant increase in sample throughput and reliability for high-volume protein characterization efforts. Since the protein samples are placed in a shipping-compatible layered stack of sample cassettes each holding many samples, a large number of samples can be shipped in a single cryogenic shipping container.

  17. Testing of a 50-kW Wind-Diesel Hybrid System at the National Wind Technology Center

    SciTech Connect (OSTI)

    Corbus, D. A.; Green, H. J.; Allderdice, A.; Rand, K.; Bianchi, J.; Linton, E.

    1996-07-01T23:59:59.000Z

    In remote off-grid villages and communities, a reliable power source is important in improving the local quality of life. Villages often use a diesel generator for their power, but fuel can be expensive and maintenance burdensome. Including a wind turbine in a diesel system can reduce fuel consumption and lower maintenance, thereby reducing energy costs. However, integrating the various components of a wind-diesel system, including wind turbine, power conversion system, and battery storage (if applicable), is a challenging task. To further the development of commercial hybrid power systems, the National Renewable Energy Laboratory (NREL), in collaboration with the New World Village Power Corporation (NWVP), tested a NWVP 50-kW wind-diesel hybrid system connected to a 15/50 Atlantic Orient Corporation (AOC) wind turbine. Testing was conducted from October 1995 through March 1996 at the National Wind Technology Center (NWTC). A main objective of the testing was to better understand the application of wind turbines to weak grids typical of small villages. Performance results contained in this report include component characterization, such as power conversion losses for the rotary converter system and battery round trip efficiencies. In addition, system operation over the test period is discussed with special attention given to dynamic issues. Finally, future plans for continued testing and research are discussed.

  18. Thermally Simulated 32kW Direct-Drive Gas-Cooled Reactor: Design, Assembly, and Test

    SciTech Connect (OSTI)

    Godfroy, Thomas J.; Bragg-Sitton, Shannon M. [NASA Marshall Space Flight Center, TD40, Huntsville, Alabama, 35812 (United States); University of Michgan, Dept. of Nuclear Engineering and Radiological Sciences, Ann Arbor MI 48109 (United States); Kapernick, Richard J. [Los Alamos National Laboratory, Los Alamos, NM 87545 (United States)

    2004-02-04T23:59:59.000Z

    One of the power systems under consideration for nuclear electric propulsion is a direct-drive gas-cooled reactor coupled to a Brayton cycle. In this system, power is transferred from the reactor to the Brayton system via a circulated closed loop gas. To allow early utilization, system designs must be relatively simple, easy to fabricate, and easy to test using non-nuclear heaters to closely mimic heat from fission. This combination of attributes will allow pre-prototypic systems to be designed, fabricated, and tested quickly and affordably. The ability to build and test units is key to the success of a nuclear program, especially if an early flight is desired. The ability to perform very realistic non-nuclear testing increases the success probability of the system. In addition, the technologies required by a concept will substantially impact the cost, time, and resources required to develop a successful space reactor power system. This paper describes design features, assembly, and test matrix for the testing of a thermally simulated 32kW direct-drive gas-cooled reactor in the Early Flight Fission - Test Facility (EFF-TF) at Marshall Space Flight Center. The reactor design and test matrix are provided by Los Alamos National Laboratories.

  19. Test plan/procedure for the shock limiting device of the radioisotope thermoelectric generator package mounting subsystem 145. Revision 1

    SciTech Connect (OSTI)

    Satoh, J.A.

    1995-05-25T23:59:59.000Z

    This document defines the procedure to be used in the 18 inch drop test to be used for design verification of the RTG Transportation System Package Mounting.

  20. NLS ground states on graphs

    E-Print Network [OSTI]

    Riccardo Adami; Enrico Serra; Paolo Tilli

    2014-06-16T23:59:59.000Z

    We investigate the existence of ground states for the subcritical NLS energy on metric graphs. In particular, we find out a topological assumption that guarantees the nonexistence of ground states, and give an example in which the assumption is not fulfilled and ground states actually exist. In order to obtain the result, we introduce a new rearrangement technique, adapted to the graph where it applies. Owing to such a technique, the energy level of the rearranged function is improved by conveniently mixing the symmetric and monotone rearrangement procedures.

  1. Ground Penetrating Radar, Barrow, Alaska

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

    John Peterson

    This is 500 MHz Ground Penetrating Radar collected along the AB Line in Intensive Site 1 beginning in October 2012 and collected along L2 in Intensive Site 0 beginning in September 2011. Both continue to the present.

  2. Ground Water Management Regulations (Louisiana)

    Broader source: Energy.gov [DOE]

    The rules and regulations apply to the management of the state's ground water resources. In addition, the Commissioner of Conservation has recommended that oil and gas operators with an interest...

  3. MODELING, SIMULATION AND OPTIMIZATION OF GROUND SOURCE

    E-Print Network [OSTI]

    MODELING, SIMULATION AND OPTIMIZATION OF GROUND SOURCE HEAT PUMP SYSTEMS By MUHAMMAD HAIDER KHAN AND OPTIMIZATION OF GROUND SOURCE HEAT PUMP SYSTEMS Thesis Approved..................................................................................................................... 1 1.1 Overview of Ground Source Heat Pump Systems.............................................. 1 1

  4. American Institute of Aeronautics and Astronautics Performance Characterization and Ion Energy Analysis of a 2-kW Hall

    E-Print Network [OSTI]

    King, Lyon B.

    of propellant gas. One method of potentially reducing the cost of ground operations, while also improving, there must be a precisely controlled source of bismuth vapor. Previous work used a heated bismuth reservoir of a xenon thruster in a vacuum chamber requires very large pump throughput to efficiently remove the influx

  5. Method of making cascaded die mountings with springs-loaded contact-bond options

    DOE Patents [OSTI]

    Hsu, John S. (Oak Ridge, TN); Adams, Donald J. (Knoxville, TN); Su, Gui-Jia (Knoxville, TN); Marlino, Laura D. (Oak Ridge, TN); Ayers, Curtis W. (Kingston, TN); Coomer, Chester (Knoxville, TN)

    2007-06-19T23:59:59.000Z

    A cascaded die mounting device and method using spring contacts for die attachment, with or without metallic bonds between the contacts and the dies, is disclosed. One embodiment is for the direct refrigerant cooling of an inverter/converter carrying higher power levels than most of the low power circuits previously taught, and does not require using a heat sink.

  6. Cascaded die mountings with spring-loaded contact-bond options

    DOE Patents [OSTI]

    Hsu, John S.; Adams, Donald J.; Su, Gui-Jia; Marlino, Laura D.; Ayers, Curtis W.; Coomer, Chester

    2005-08-16T23:59:59.000Z

    A cascaded die mounting device and method using spring contacts for die attachment, with or without metallic bonds between the contacts and the dies, is disclosed. One embodiment is for the direct refrigerant cooling of an inverter/converter carrying higher power levels than most of the low power circuits previously taught, and does not require using a heat sink.

  7. Apparatus and method for mounting photovoltaic power generating systems on buildings

    DOE Patents [OSTI]

    Russell, Miles Clayton (Lincoln, MA)

    2008-10-14T23:59:59.000Z

    Rectangular PV modules (6) are mounted on a building roof (4) by mounting stands that are distributed in rows and columns. Each stand comprises a base plate (10) that rests on the building roof (4) and first and second brackets (12, 14) of different height attached to opposite ends of the base plate (10). Each bracket (12, 14) has dual members for supporting two different PV modules (6), and each PV module (6) has a mounting pin (84) adjacent to each of its four corners. Each module (6) is supported by attachment of two of its mounting pins (84) to different first brackets (12), whereby the modules (6) and their supporting stands are able to resist uplift forces resulting from high velocity winds without the base plates (10) being physically attached to the supporting roof structure (4). Preferably the second brackets (14) have a telescoping construction that permits their effective height to vary from less than to substantially the same as that of the first brackets (12).

  8. Four pin mounting system for nuclear reactor control rod guide tubes

    SciTech Connect (OSTI)

    Balog, L.J.; Boyle, D.E.

    1990-06-26T23:59:59.000Z

    This paper describes a nuclear reactor having a control rod guide tube and an upper core plate, a pin-type mounting system for removably mounting the lower flange of a control rod guide tube over an opening in the upper core plate. It comprises: a pair of resilient pin members formed of stainless steel, mounted in passages formed through first opposing sides of the guide tube lower flange and resiliently and slidably receivable in a first pair of opposing bores formed on first opposing sides of the opening in the upper core plate to permit deflection thereof when the guide tube is subject to the usual shear loads associated with the operation of the nuclear reactor, the resilient pin members bearing substantially all of the usual shear load to which the guide tube is subjected. A paid of reinforcing pin members formed to stainless steel mounted on second opposing sides of the guide tube lower flange and slidably receivable in a second pair of bores formed on second opposing sides of the opening in the upper core plate.

  9. Cylindrical Pellet Pose Estimation in Clutter using a Single Robot Mounted Camera

    E-Print Network [OSTI]

    Roy, Sumantra Dutta

    Cylindrical Pellet Pose Estimation in Clutter using a Single Robot Mounted Camera Punit Tiwan estimation of cylindrical pellet using a single camera-in-hand configuration of a robot is discussed in this paper. Approaches to estimate pose in both isolated and an occluded environment is discussed. The pellet

  10. ORNITHOCOPROPHILOUS PLANTS OF MOUNT DESERT ROCK, A REMOTE BIRD-NESTING ISLAND IN THE

    E-Print Network [OSTI]

    Rajakaruna, Nishanta

    ORNITHOCOPROPHILOUS PLANTS OF MOUNT DESERT ROCK, A REMOTE BIRD-NESTING ISLAND IN THE GULF OF MAINE for the maintenance of plant communities (Cruden 1966; Gillham 1970; Howe and Smallwood 1982; Mulder and Keall 2001 to botanists as they often determine which plant species are dispersed and become established in such remote

  11. Oscillatory Control and the Effects of Actuation Frequency on a Wall-Mounted Hump

    E-Print Network [OSTI]

    Dabiri, John O.

    . The deflected flap experiments of Nishri and Wygnanski6 determined that the boundary layer reattached to the natural shedding frequency of the separated shear layer. The addition of oscillatory control regularizesOscillatory Control and the Effects of Actuation Frequency on a Wall-Mounted Hump Jennifer A

  12. New Loops! MiTeGen* 50MicroMountsTM consist of a thin microfabricated

    E-Print Network [OSTI]

    Meagher, Mary

    New Loops! MiTeGen* 50µMicroMountsTM consist of a thin microfabricated polyimide film attached to a solid non-magnetic stainless steel pin. The film is polyimide, which is used in Kapton® tape and is employed for X- ray transparent windows on X-ray beam lines. The film is curved by wrapping polyimide film

  13. DOE Partnership Completes Successful CO2 Injection Test in the Mount Simon Sandstone

    Broader source: Energy.gov [DOE]

    The Midwest Regional Carbon Sequestration Partnership, one of seven partnerships in the U.S. Department of Energy's Regional Carbon Sequestration Partnerships program, has successfully injected 1,000 metric tons of carbon dioxide (CO2) into the Mount Simon Sandstone, a deep saline formation that is widespread across much of the Midwest.

  14. Arctic Oscillation response to the 1991 Mount Pinatubo eruption: Effects of volcanic aerosols and ozone depletion

    E-Print Network [OSTI]

    Robock, Alan

    of perturbation experiments, the full radiative effects of the observed Pinatubo aerosol cloud were included eruption, which produced the largest global volcanic aerosol cloud in the twentieth century. A seriesArctic Oscillation response to the 1991 Mount Pinatubo eruption: Effects of volcanic aerosols

  15. A compact 10 kW, 476 MHz solid state radio frequency amplifier for pre-buncher cavity of free electron laser injector linear accelerator

    SciTech Connect (OSTI)

    Mohania, Praveen; Mahawar, Ashish; Shrivastava, Purushottam; Gupta, P. D. [Raja Rammana Centre for Advanced Technology (RRCAT), Indore 452013 (India)] [Raja Rammana Centre for Advanced Technology (RRCAT), Indore 452013 (India)

    2013-09-15T23:59:59.000Z

    A 10 kW, 476 MHz, 0.1% duty cycle solid state RF amplifier system for driving sub-harmonic, pre-buncher cavity of IR-FEL injector LINAC, has been developed at RRCAT. The 10 kW power is achieved by combining output of eight 1400 W amplifier modules using 8-way planar corporate combiner. The solid state amplifier modules have been developed using 50 V RF LDMOS transistors which although meant for push-pull operation are being used in single ended configuration with matching circuit developed on a thin (25 mils), high dielectric constant (9.7), low loss microwave laminate with an aim to have a compact structure. Ease of fabrication, modularity, small size, and low cost are the important features of this design which could be used as a template for low duty cycle medium to high pulsed power UHF amplifier system.

  16. Operating and maintenance experience with a 6-kW wind energy conversion system at Naval Station, Treasure Island, California. Technical note Sep 79-Jun 81

    SciTech Connect (OSTI)

    Pal, D.

    1982-07-01T23:59:59.000Z

    The experience gained and lessons learned from the 6-kW grid-integrated Wind Energy Conversion System (WECS) demonstration at Naval Station, Treasure Island, San Francisco Bay are detailed. The objective of this demonstration was to develop operating experience and maintenance information on the 6-kW WECS using a combination of permanent magnet alternator with a line commutated synchronous inverter. The on-site measurements conducted during the demonstation indicate that the WECS site has annual average windspeeds of about 8 to 10 mph. The test results to data indicate a satisfactory performance of the WECS except for two failures involving arcing at the electrical terminals located on the yaw shaft. Due to wind characteristics encountered at the site, the performance data collected to date are at windspeeds of 20 mph or lower. For evaluating the WECS performance at all windspeeds, location at a windier site with annual average windspeeds of 14 mph or higher is recommended.

  17. Nonlinear Dynamics of Longitudinal Ground Vehicle Traction

    E-Print Network [OSTI]

    Shaw, Steven W.

    asphalt b) Wet asphalt c) Gravel d) Packed Snow Nonlinear Dynamics of Longitudinal Ground Vehicle Traction

  18. Final Technical Report for the Development of a Low Cost 10kW Tubular SOFC Power System

    SciTech Connect (OSTI)

    Bessette, Norman; Litka, Anthony; Rawson, Jolyon; Schmidt, Douglas

    2013-06-06T23:59:59.000Z

    The DOE program funded from 2003 through early 2013 has brought the Acumentrics SOFC program from an early stage R&D program to an entry level commercial product offering. The development work started as one of the main core teams under the DOE Solid State Energy Conversion Alliance (SECA) program administered by the National Energy Technology Laboratory (NETL) of the DOE. During the first phase of the program, lasting approximately 3-4 years, a 5kW machine was designed, manufactured and tested against the specification developed by NETL. This unit was also shipped to NETL for independent verification testing which validated all of the results achieved while in the laboratory at Acumentrics. The Acumentrics unit passed all criteria established from operational stability, efficiency, and cost projections. Passing of the SECA Phase I test allowed the program to move into Phase II of the program. During this phase, the overall objective was to further refine the unit meeting a higher level of performance stability as well as further cost reductions. During the first year of this new phase, the NETL SECA program was refocused towards larger size units and operation on coal gasification due to the severe rise in natural gas prices and refocus on the US supply of indigenous coal. At this point, the program was shifted to the U.S. DOE’s Energy Efficiency and Renewable Energy (EERE) division located in Golden, Colorado. With this shift, the focus remained on smaller power units operational on gaseous fuels for a variety of applications including micro combined heat and power (mCHP). To achieve this goal, further enhancements in power, life expectancy and reductions in cost were necessary. The past 5 years have achieved these goals with machines that can now achieve over 40% electrical efficiency and field units that have now operated for close to a year and a half with minimal maintenance. The following report details not only the first phase while under the SECA program and the key achievements but also the results while under EERE’s leadership and the transition to an early commercial product offering.

  19. Mirror mounts designed for the Advanced Photon Source SRI-CAT

    SciTech Connect (OSTI)

    Shu, D.; Benson, C.; Chang, J. [and others

    1997-09-01T23:59:59.000Z

    Use of a mirror for beamlines at third-generation synchrotron radiation facilities, such as the Advanced Photon Source (APS) at Argonne National laboratory, has many advantages. A mirror as a first optical component provides significant reduction in the beam peak heat flux and total power on the downstream monochromator and simplifies the bremsstrahlung shielding design for the beamline transport. It also allows one to have a system for multibeamline branching and switching. More generally, a mirror is used for beam focusing and/or low-pass filtering. Six different mirror mounts have been designed for the SRI-CAT beamlines. Four of them are designed as water-cooled mirrors for white or pink beam use, and the other two are for monochromatic beam use. Mirror mount designs, including vacuum vessel structure and precision supporting stages, are presented in this paper.

  20. Development of a hybrid microcircuit test vehicle for surface mount applications

    SciTech Connect (OSTI)

    Hernandez, C.L.; Hosking, F.M.; Vianco, P.T.

    1997-08-01T23:59:59.000Z

    The technology drivers of the electronics industry continue to be systems miniaturization and reliability, in addition to addressing a variety of important environmental concerns. Surface mount technology (SMT) has evolved in response to these issues. Prototype hybrid test vehicles have been developed at Sandia National Laboratories to evaluate three lead-free solders for Au-Pt-Pd thick film soldering. The alloys are based on the Sn-Ag, Sn-Ag-Bi and Sn-Ag-Bi-Au systems. Populated test vehicles with surface mount devices were designed and fabricated to evaluate actual solder joints. Pastes were screen printed on the test substrates and reflowed with the components in place. The test components consist of a variety of dummy chip capacitors and leadless ceramic chip carriers (LCC`s). The development of the reflow profiles will be discussed. Comprehensive defect analysis will also be presented.

  1. Technique for mounting SiC fibers for cross-sectional microscopic examination

    SciTech Connect (OSTI)

    Ptasienski, J.J. (Alcoa Technical Center, Alcoa Center, PA (United States))

    1994-07-01T23:59:59.000Z

    Silicon carbide (SiC) fibers are commonly used in many composite and other material applications. It is often of interest to examine cross sections of such fibers microscopically, prior to composite manufacturing processes, to ensure diameter consistency. However, SiC fibers are difficult materials to metallographically mount and polish, because the fibers are harder than most epoxy mounting materials. The difference in hardness between the SiC and the mounting epoxy usually causes rounding of the fibers during final polishing. It is also difficult to position a large group of fibers for cross-sectioning, because a group of closely spaced fibers will have poor bonding to the epoxy. The following technique was developed to improve the preparation of cross-sectional samples of SiC fibers. In this study, fibers of SiC plated with electroless nickel were used to demonstrate the technique. The following outline describes the steps that were taken in preparing a cross-sectional specimen of the plated fibers.

  2. Base excitation testing system using spring elements to pivotally mount wind turbine blades

    DOE Patents [OSTI]

    Cotrell, Jason; Hughes, Scott; Butterfield, Sandy; Lambert, Scott

    2013-12-10T23:59:59.000Z

    A system (1100) for fatigue testing wind turbine blades (1102) through forced or resonant excitation of the base (1104) of a blade (1102). The system (1100) includes a test stand (1112) and a restoring spring assembly (1120) mounted on the test stand (1112). The restoring spring assembly (1120) includes a primary spring element (1124) that extends outward from the test stand (1112) to a blade mounting plate (1130) configured to receive a base (1104) of blade (1102). During fatigue testing, a supported base (1104) of a blad (1102) may be pivotally mounted to the test stand (1112) via the restoring spring assembly (1120). The system (1100) may include an excitation input assembly (1140) that is interconnected with the blade mouting plate (1130) to selectively apply flapwise, edgewise, and/or pitch excitation forces. The restoring spring assemply (1120) may include at least one tuning spring member (1127) positioned adjacent to the primary spring element (1124) used to tune the spring constant or stiffness of the primary spring element (1124) in one of the excitation directions.

  3. The WEI6K, a 6-kW 7-m Small Wind Turbine: Final Technical Report

    SciTech Connect (OSTI)

    Wetzel, Kyle K.; McCleer, Patrick J.; Hahlbeck, Edwin C.; DOE Project Office - Keith Bennett

    2006-07-21T23:59:59.000Z

    This project was selected by the U.S. Department of Energy under a DOE solicitation “Low Wind Speed Technology for Small Turbine Development.” The objective of this project has been to design a new small wind turbine with improved cost, reliability and performance in grid-connected residential and small business applications, in order to achieve the overall DOE goal of cost effectiveness in Class 3 wind resources that can now be achieved in Class 5 resources. The scope of work for this project has been to complete the preliminary design of an improved small wind turbine, including preliminary loads and strength analyses; analysis and design of all major components; systems integration and structural dynamic analysis; estimation of life-cycle cost of energy; and design documentation and review. The project did not entail hardware fabrication or testing. The WEI6K Turbine resulting from this project is an upwind horizontal-axis wind turbine rated at 6 kW. It features a 3-blade 7-m diameter rotor. The generator is a direct-drive permanent magnet synchronous machine generating 3-phase power at 240 VAC. The turbine is maintained oriented in to the wind via active yaw control using electromechanical servos. Power is regulated with active blade pitch control. The turbine is presently designed to be placed on a 100-foot (30m) tower. The turbine is predicted to generate electricity at a levelized cost of energy (COE) between 7.3 and 8.9 ¢/kWh at an IEC Class II site, with an average wind speed of 8.5 m/s at hub height, depending upon whether the customer uses a guyed truss tower (the lower figure) or a monopole tower. For the NREL Reference Site, with a mean wind speed of 5.35 m/s at 10 m height, the turbine would generate at a levelized cost of energy of between 9.7 and 11.9 ¢/kWh. The lowest of these numbers is presently competitive with retail electricity rates in most of the country. The 8.9 ¢/kWh is still competitive with retail rates in many regions of the country with high electricity costs. The study further concludes that several design changes could shave 10-14% from the cost of energy determined in the preliminary design. These changes include a new tower design that offers tilt-up capability without guy wires and takes better advantage of the lowered loads produced by pitch control; design a family of airfoils more appropriate for pitch regulation on a turbine of this size; tune the pitch controller properly to minimize shedding of power during turbulent operation in the transition from Region 2 to 3; value engineer the pitch system to shave costs, including consideration of a collective pitch system; and refine the design of the hub and main frame castings to minimize weight and cost. We are generally encouraged by the results. These preliminary numbers show that we can produce a turbine that is competitive with retail electric rates at relatively windy IEC Class II sites. With further improvements in the design, we believe the turbine could be competitive at sites with lesser wind resource.

  4. A 10-kW SiC Inverter with A Novel Printed Metal Power Module With Integrated Cooling Using Additive Manufacturing

    SciTech Connect (OSTI)

    Chinthavali, Madhu Sudhan [ORNL; Ayers, Curtis William [ORNL; Campbell, Steven L [ORNL; Wiles, Randy H [ORNL; Ozpineci, Burak [ORNL

    2014-01-01T23:59:59.000Z

    With efforts to reduce the cost, size, and thermal management systems for the power electronics drivetrain in hybrid electric vehicles (HEVs) and plug-in hybrid electric vehicles (PHEVs), wide band gap semiconductors including silicon carbide (SiC) have been identified as possibly being a partial solution. This paper focuses on the development of a 10-kW all SiC inverter using a high power density, integrated printed metal power module with integrated cooling using additive manufacturing techniques. This is the first ever heat sink printed for a power electronics application. About 50% of the inverter was built using additive manufacturing techniques.

  5. The Mount Perkins block, northwestern Arizona: An exposed cross section of an evolving, preextensional to synextensional magmatic system

    E-Print Network [OSTI]

    Faulds, James E.; Feuerbach, Daniel L.; Reagan, Mark K.; Metcalf, Rodney V.; Gans, Phil; Walker, J. Douglas

    1995-08-10T23:59:59.000Z

    The steeply tilted Mount Perkins block, northwestern Arizona, exposes a cross section of a magmatic system that evolved through the onset of regional extension. New 40Ar/39Ar ages of variably tilted (0–90°) volcanic strata ...

  6. 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

  7. An Experimental Evaluation of Duct-Mounted Relative Humidity Sensors: Part 3 – Repeatability, Hysteresis and Linearity Results 

    E-Print Network [OSTI]

    Joshi, S.N.; Pate, M.B.; Nelson, R.M.; House, J.H.; Klaassen, C.J.

    2005-01-01T23:59:59.000Z

    Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. An Experimental Evaluation of Duct-Mounted Relative Humidity Sensors: Part 3-Repeatability, Hyste... Joshi, Shailesh N;House, John M...

  8. The Mount Manengouba, a complex volcano of the Cameroon Line:1 Volcanic history, petrological and geochemical features2

    E-Print Network [OSTI]

    Boyer, Edmond

    1 The Mount Manengouba, a complex volcano of the Cameroon Line:1 Volcanic history, petrological Group 2). Both magmatic groups belong to the under-saturated alkaline40 sodic series. Petrological

  9. Self-Packaging and Self-Mounting of Miniaturized Semiconductor Dies Across Length Scales and 3D Topologies

    E-Print Network [OSTI]

    Jacobs, Heiko O.

    , parallel packaging and encapsulation, and the programmable self-mounting of various types of components of single crystal Si forming curved and 3D solar cells on plastic substrates. INTRODUCTION The construction

  10. Effects of experimental fascioliasis on puberty and comparison of mounting activity by radiotelemetry in pubertal and gestating beef heifers

    E-Print Network [OSTI]

    Paczkowski, Melissa Jeanne

    2005-11-01T23:59:59.000Z

    EFFECTS OF EXPERIMENTAL FASCIOLIASIS ON PUBERTY AND COMPARISON OF MOUNTING ACTIVITY BY RADIOTELEMETRY IN PUBERTAL AND GESTATING BEEF HEIFERS A Thesis by MELISSA JEANNE PACZKOWSKI Submitted to the Office of Graduate Studies... OF MOUNTING ACTIVITY BY RADIOTELEMETRY IN PUBERTAL AND GESTATING BEEF HEIFERS A Thesis by MELISSA JEANNE PACZKOWSKI Submitted to Texas A&M University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE Approved...

  11. Montana Ground Water Assessment Act (Montana)

    Broader source: Energy.gov [DOE]

    This statute establishes a program to systematically assess and monitor the state's ground water and to disseminate the information to interested persons in order to improve the quality of ground...

  12. North Village Ground Source Heat Pumps

    Broader source: Energy.gov [DOE]

    Overview: Installation of Ground Source Heat Pumps. Replacement of Aging Heat Pumps. Alignment with Furmans Sustainability Goals.

  13. Work plan for the fabrication of the radioisotope thermoelectric generator transportation system package mounting

    SciTech Connect (OSTI)

    Satoh, J.A.

    1994-11-09T23:59:59.000Z

    The Radioisotope Thermoelectric Generator (RTG) has available a dedicated system for the transportation of RTG payloads. The RTG Transportation System (System 100) is comprised of four systems; the Package (System 120), the Semi-trailer (System 140), the Gas Management (System 160), and the Facility Transport (System 180). This document provides guidelines on the fabrication, technical requirements, and quality assurance of the Package Mounting (Subsystem 145), part of System 140. The description follows the Development Control Requirements of WHC-CM-6-1, EP 2.4, Rev. 3.

  14. Eddy current probe with foil sensor mounted on flexible probe tip and method of use

    SciTech Connect (OSTI)

    Viertl, John R. M. (Niskayuna, NY); Lee, Martin K. (Niskayuna, NY)

    2001-01-01T23:59:59.000Z

    A pair of copper coils are embedded in the foil strip. A first coil of the pair generates an electromagnetic field that induces eddy currents on the surface, and the second coil carries a current influenced by the eddy currents on the surface. The currents in the second coil are analyzed to obtain information on the surface eddy currents. An eddy current probe has a metal housing having a tip that is covered by a flexible conductive foil strip. The foil strip is mounted on a deformable nose at the probe tip so that the strip and coils will conform to the surface to which they are applied.

  15. Passive pavement-mounted acoustical linguistic drive alert system and method

    DOE Patents [OSTI]

    Kisner, Roger A. (Knoxville, TN); Anderson, Richard L. (Oak Ridge, TN); Carnal, Charles L. (Cookeville, TN); Hylton, James O. (Clinton, TN); Stevens, Samuel S. (Harriman, TN)

    2001-01-01T23:59:59.000Z

    Systems and methods are described for passive pavement-mounted acoustical alert of the occupants of a vehicle. A method of notifying a vehicle occupant includes providing a driving medium upon which a vehicle is to be driven; and texturing a portion of the driving medium such that the textured portion interacts with the vehicle to produce audible signals, the textured portion pattern such that a linguistic message is encoded into the audible signals. The systems and methods provide advantages because information can be conveyed to the occupants of the vehicle based on the location of the vehicle relative to the textured surface.

  16. Ground Turkey and Potato Plate Ingredients

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    Ground Turkey and Potato Plate Ingredients: 1 onion 1/2 pound ground turkey 1 cup ketchup, low, brown ground turkey and onion together over medium heat 8 to 10 minutes or until turkey is no longer. Return turkey to skillet. 3. Add ketchup to skillet; cover and simmer over medium-low heat 10 minutes. 4

  17. Case Study/ Ground Water Sustainability: Methodology and

    E-Print Network [OSTI]

    Zheng, Chunmiao

    , or the lack thereof, of ground water flow systems driven by similar hydrogeologic and economic conditionsCase Study/ Ground Water Sustainability: Methodology and Application to the North China Plain of a ground water flow system in the North China Plain (NCP) subject to severe overexploitation and rapid

  18. Mesa Top Photovoltaic Array SyStem SpecificationS

    E-Print Network [OSTI]

    Mesa Top Photovoltaic Array SyStem SpecificationS System size: 750 kW (DC, estimated) Characteristics: Single axis tracker photovoltaics, ground mounted Annual output: 1,200 MWh Location: Top of South Table Mountain; NREL Campus; Golden, Colorado Start of operation: Spring 2008 financial terms System

  19. Progress on the Construction of the 100 MeV / 100 kW Electron Linac for the NSC KIPT Neutron Source

    E-Print Network [OSTI]

    Yun-Long, Chi; Guo-Xi, Pei; Shu-Hong, Wang; Jian-She, Cao; Mi, Hou; Wei-Bin, Liu; Zu-Sheng, Zhou; Feng-Li, Zhao; Rong, Liu; Xiang-Cheng, Kong; Jing-Xia, Zhao; Chang-Dong, Deng; Hong, Song; Jin-Tong, Liu; Xu-Wen, Dai; Jun-Hui, Yue; Qi, Yang; Da-Yong, He; Xiang, He; Qi, Le; Xiao-Ping, Li; Lin, Wang; Xiang-Jian, Wang; Hui-Zhou, Ma; Xiao-Yan, Zhao; Yan-Feng, Sui; Hai-Sheng, Guo; Chuang-Xin, Ma; Jian-Bing, Zhao; Peng, Chen

    2013-01-01T23:59:59.000Z

    IHEP, China is constructing a 100 MeV / 100 kW electron Linac for NSC KIPT, Ukraine. This linac will be used as the driver of a neutron source based on a subcritical assembly. In 2012, the injector part of the accelerator was pre-installed as a testing facility in the experimental hall #2 of IHEP. The injector beam and key hardware testing results were met the design goal. Recently, the injector testing facility was disassembled and all of the components for the whole accelerator have been shipped to Ukraine from China by ocean shipping. The installation of the whole machine in KIPT will be started in June, 2013. The construction progress, the design and testing results of the injector beam and key hardware are presented.

  20. Ground Penetrating Radar in Hydrogeophysics

    SciTech Connect (OSTI)

    Hubbard, Susan; Lambot, S.; Binley, A.; Slob, E.; Hubbard, S.

    2008-01-15T23:59:59.000Z

    To meet the needs of a growing population and to provide us with a higher quality of life, increasing pressures are being placed on our environment through the development of agriculture, industry, and infrastructures. Soil erosion, groundwater depletion, salinization, and pollution have been recognized for decades as major threats to ecosystems and human health. More recently, the progressive substitution of fossil fuels by biofuels for energy production and climate change have been recognized as potential threats to our water resources and sustained agricultural productivity. The vadose zone mediates many of the processes that govern water resources and quality, such as the partition of precipitation into infiltration and runoff , groundwater recharge, contaminant transport, plant growth, evaporation, and energy exchanges between the Earth's surface and its atmosphere. It also determines soil organic carbon sequestration and carbon-cycle feedbacks, which could substantially impact climate change. The vadose zone's inherent spatial variability and inaccessibility precludes direct observation of the important subsurface processes. In a societal context where the development of sustainable and optimal environmental management strategies has become a priority, there is a strong prerequisite for the development of noninvasive characterization and monitoring techniques of the vadose zone. In particular, hydrogeophysical approaches applied at relevant scales are required to appraise dynamic subsurface phenomena and to develop optimal sustainability, exploitation, and remediation strategies. Among existing geophysical techniques, ground penetrating radar (GPR) technology is of particular interest for providing high-resolution subsurface images and specifically addressing water-related questions. Ground penetrating radar is based on the transmission and reception of VHF-UHF (30-3000 MHz) electromagnetic waves into the ground, whose propagation is determined by the soil electromagnetic properties and their spatial distribution. As the dielectric permittivity of water overwhelms the permittivity of other soil components, the presence of water in the soil principally governs GPR wave propagation. Therefore, GPR-derived dielectric permittivity is usually used as surrogate measure for soil water content. In the areas of unsaturated zone hydrology and water resources, GPR has been used to identify soil stratigraphy, to locate water tables, to follow wetting front movement, to estimate soil water content, to assist in subsurface hydraulic parameter identification, to assess soil salinity, and to support the monitoring of contaminants. The purpose of this special section of the Vadose Zone Journal is to present recent research advances and applications of GPR in hydrogeophysics, with a particular emphasis on vadose zone investigations. This special section includes contributions presented at the European Geosciences Union General Assembly 2006 (EGU 2006, Vienna, Austria) and the 11th International Conference on Ground Penetrating Radar (GPR 2006, Columbus, OH). The studies presented here deal with a wide range of surface and borehole GPR applications, including GPR sensitivity to contaminant plumes, new methods for soil water content determination, three-dimensional imaging of the subsurface, time-lapse monitoring of hydrodynamic events and inversion techniques for soil hydraulic properties estimation, and joint interpretation of GPR and electric resistivity tomography (ERT) data.

  1. Technical Review Report for the Mound 1KW Package Safety Analysis Report for Packaging Waiver for the Use of Modified Primary Containment Vessel (PCV)

    SciTech Connect (OSTI)

    West, M; Hafner, R

    2008-05-05T23:59:59.000Z

    This Technical Review Report (TRR) documents the review, performed by the Lawrence Livermore National Laboratory (LLNL) staff, at the request of the U.S. Department of Energy (DOE), on the Waiver for the Use of Modified Primary Containment Vessels (PCV). The waiver is to be used to support a limited number of shipments of fuel for the Multi-Mission Radioisotope Thermoelectric Generator (MMRTG) Project in support of the National Aeronautics and Space Administration's (NASA's) Mars Science Laboratory (MSL) mission. Under the waiver, an inventory of existing national security PCVs will be converted to standard PCVs. Both types of PCVs are currently approved for use by the Office of Nuclear Energy. LLNL has previously reviewed the national security PCVs under Mound 1KW Package Safety Analysis Report for Packaging, Addendum No. 1, Revision c, dated June 2007 (Addendum 1). The safety analysis of the package is documented in the Safety Analysis Report for Packaging (SARP) for the Mound 1KW Package (i.e., the Mound 1KW SARP, or the SARP) where the standard PCVs have been reviewed by LLNL. The Mound 1KW Package is certified by DOE Certificate of Compliance (CoC) number USA/9516/B(U)F-85 for the transportation of Type B quantities of plutonium heat source material. The waiver requests an exemption, claiming safety equivalent to the requirements specified in 10 CFR 71.12, Specific Exemptions, and will lead to a letter amendment to the CoC. Under the waiver, the Office of Radioisotope Power Systems, NE-34, is seeking an exemption from 10 CFR 71.19(d)(1), Previously Approved Package,[5] which states: '(d) NRC will approve modifications to the design and authorized contents of a Type B package, or a fissile material package, previously approved by NRC, provided--(1) The modifications of a Type B package are not significant with respect to the design, operating characteristics, or safe performance of the containment system, when the package is subjected to the tests specified in {section}71.71 and 71.73.' The LLNL staff had previously reviewed a request from Idaho National Laboratory (INL) to reconfigure national security PCVs to standard PCVs. With a nominal 50% reduction in both the height and the volume, the LLNL staff initially deemed the modifications to be significant, which would not be allowed under the provisions of 10 CFR 71.19(d)(1)--see above. As a follow-up, the DOE requested additional clarification from the Nuclear Regulatory Commission (NRC). The NRC concluded that the reconfiguration would be a new fabrication, and that an exemption to the regulations would be required to allow its use, as per the requirements specified in 10 CFR 71.19(c)(1), Previously Approved Package: '(c) A Type B(U) package, a Type B(M) package, or a fissile material package previously approved by the NRC with the designation '-85' in the identification number of the NRC CoC, may be used under the general license of {section}71.17 with the following additional conditions: (1) Fabrication of the package must be satisfactorily completed by December 31, 2006, as demonstrated by application of its model number in accordance with 71.85(c).' Although the preferred approach toward the resolution of this issue would be for the applicant to submit an updated SARP, the applicant has stated that the process of updating the Model Mound 1KW Package SARP is a work that is in progress, but that the updated SARP is not yet ready for submittal. The applicant has to provide a submittal, proving that the package meets the '-96' requirements of International Atomic Energy Agency (IAEA) Safety Standards Series No. TS-R-1, in order to fabricate approved packagings after December 31, 2006. The applicant has further stated that all other packaging features, as described in the currently approved Model Mound 1KW Package SARP, remain unchanged. This report documents the LLNL review of the waiver request. The specific review for each SARP Chapter is documented.

  2. Remote grounding device for subterranean power systems

    SciTech Connect (OSTI)

    Wilson, D.P.

    1987-04-28T23:59:59.000Z

    A remote grounding device is described for subterranean power cable of an insulated conducting cable which comprises: a grounding module and a grounding mechanism; the grounding module is an assembly of a power buss, an insulation sheath, a reducing tap plug and an insulating receptacle cap. The power buss is intimately connected to the conducting cable by a means of an attachment. The reducing tap plug fits concentrically over the power buss and has a tubular probe path void contiguous and in-line to the power buss and a lip around the outer periphery of the reducing tap plug. The insulating receptacle cap covers the tubular void. The insulating sheath covers and holds reducing tap plug and power cable by a multiplicity of locking means and a grounding mechanism assembly of a frame, a probe, a power drive means, a grounding means, a handle means.

  3. Application analysis of Monte Carlo to estimate the capacity of geothermal resources in Lawu Mount

    SciTech Connect (OSTI)

    Supriyadi, E-mail: supriyadi-uno@yahoo.co.nz [Physics, Faculty of Mathematics and Natural Sciences, University of Jember, Jl. Kalimantan Kampus Bumi Tegal Boto, Jember 68181 (Indonesia); Srigutomo, Wahyu [Complex system and earth physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung 40132 (Indonesia); Munandar, Arif [Kelompok Program Penelitian Panas Bumi, PSDG, Badan Geologi, Kementrian ESDM, Jl. Soekarno Hatta No. 444 Bandung 40254 (Indonesia)

    2014-03-24T23:59:59.000Z

    Monte Carlo analysis has been applied in calculation of geothermal resource capacity based on volumetric method issued by Standar Nasional Indonesia (SNI). A deterministic formula is converted into a stochastic formula to take into account the nature of uncertainties in input parameters. The method yields a range of potential power probability stored beneath Lawu Mount geothermal area. For 10,000 iterations, the capacity of geothermal resources is in the range of 139.30-218.24 MWe with the most likely value is 177.77 MWe. The risk of resource capacity above 196.19 MWe is less than 10%. The power density of the prospect area covering 17 km{sup 2} is 9.41 MWe/km{sup 2} with probability 80%.

  4. Methane Hydrate Dissociation by Depressurization in a Mount Elbert Sandstone Sample: Experimental Observations and Numerical Simulations

    SciTech Connect (OSTI)

    Kneafsey, T.; Moridis, G.J.

    2011-01-15T23:59:59.000Z

    A preserved sample of hydrate-bearing sandstone from the Mount Elbert Test Well was dissociated by depressurization while monitoring the internal temperature of the sample in two locations and the density changes at high spatial resolution using x-ray CT scanning. The sample contained two distinct regions having different porosity and grain size distributions. The hydrate dissociation occurred initially throughout the sample as a result of depressing the pressure below the stability pressure. This initial stage reduced the temperature to the equilibrium point, which was maintained above the ice point. After that, dissociation occurred from the outside in as a result of heat transfer from the controlled temperature bath surrounding the pressure vessel. Numerical modeling of the test using TOUGH+HYDRATE yielded a gas production curve that closely matches the experimentally measured curve.

  5. Geological interpretation of Mount Ciremai geothermal system from remote sensing and magneto-teluric analysis

    E-Print Network [OSTI]

    Sumintadireja, Prihadi; Irawan, Dasapta E; Irawan, Diky; Fadillah, Ahmad

    2015-01-01T23:59:59.000Z

    The exploration of geothermal system at Mount Ciremai has been started since the early 1980s and has just been studied carefully since the early 2000s. Previous studies have detected the potential of geothermal system and also the groundwater mechanism feeding the system. This paper will discuss the geothermal exploration based on regional scale surface temperature analysis with Landsat image to have a more detail interpretation of the geological setting and magneto-telluric or MT survey at prospect zones, which identified by the previous method, to have a more exact and in depth local scale structural interpretation. Both methods are directed to pin point appropriate locations for geothermal pilot hole drilling and testing. We used four scenes of Landsat Enhanced Thematic Mapper or ETM+ data to estimate the surface manifestation of a geothermal system. Temporal analysis of Land Surface Temperature or LST was applied and coupled with field temperature measurement at seven locations. By combining the TTM with ...

  6. Vessel Cold-Ironing Using a Barge Mounted PEM Fuel Cell: Project Scoping and Feasibility.

    SciTech Connect (OSTI)

    Pratt, Joseph William; Harris, Aaron P

    2013-01-01T23:59:59.000Z

    A barge-mounted hydrogen-fueled proton exchange membrane (PEM) fuel cell system has the potential to reduce emissions and fossil fuel use of maritime vessels in and around ports. This study determines the technical feasibility of this concept and examines specific options on the U.S. West Coast for deployment practicality and potential for commercialization.The conceptual design of the system is found to be straightforward and technically feasible in several configurations corresponding to various power levels and run times.The most technically viable and commercially attractive deployment options were found to be powering container ships at berth at the Port of Tacoma and/or Seattle, powering tugs at anchorage near the Port of Oakland, and powering refrigerated containers on-board Hawaiian inter-island transport barges. Other attractive demonstration options were found at the Port of Seattle, the Suisun Bay Reserve Fleet, the California Maritime Academy, and an excursion vessel on the Ohio River.

  7. Numerical evaluation of the thermal performances of roof-mounted radiant barriers

    E-Print Network [OSTI]

    Miranville, Frédéric; Lucas, Franck; Johan, Seriacaroupin

    2014-01-01T23:59:59.000Z

    This paper deals with the thermal performances of roof-mounted radiant barriers. Using dynamic simulations of a mathematical model of a whole test cell including a radiant barrier installed between the roof top and the ceiling, the thermal performance of the roof is calculated. The mean method is more particularly used to assess the thermal resistance of the building component and lead to a value which is compared to the one obtained for a mass insulation product such as polyurethane foam. On a further stage, the thermal mathematical model is replaced by a thermo-aeraulic model which is used to evaluate the thermal resistance of the roof as a function of the airflow rate. The results shows a better performance of the roof in this new configuration, which is widely used in practice. Finally, the mathematical relation between the thermal resistance and the airflow rate is proposed.

  8. Pyrometer mount for a closed-circuit thermal medium cooled gas turbine

    DOE Patents [OSTI]

    Jones, Raymond Joseph (Duanesburg, NY); Kirkpatrick, Francis Lawrence (late of Galway, NY); Burns, James Lee (Schenectady, NY); Fulton, John Robert (Clifton Park, NY)

    2002-01-01T23:59:59.000Z

    A steam-cooled second-stage nozzle segment has an outer band and an outer cover defining a plenum therebetween for receiving cooling steam for flow through the nozzles to the inner band and cover therefor and return flow through the nozzles. To measure the temperature of the buckets of the stage forwardly of the nozzle stage, a pyrometer boss is electron beam-welded in an opening through the outer band and TIG-welded to the outer cover plate. By machining a hole through the boss and seating a linearly extending tube in the boss, a line of sight between a pyrometer mounted on the turbine frame and the buckets is provided whereby the temperature of the buckets can be ascertained. The welding of the boss to the outer band and outer cover enables steam flow through the plenum without leakage, while providing a line of sight through the outer cover and outer band to measure bucket temperature.

  9. Natural restoration of ground water in UCG

    SciTech Connect (OSTI)

    Humenick, M.J.; Britton, L.N.; Mattox, C.F.

    1982-01-01T23:59:59.000Z

    Ground water contamination from underground coal gasification (UCG) has been documented at several field tests in Texas and Wyoming. However, monitoring data following the termination of gasification operations has shown that contaminant concentrations decrease with time, apparently because of natural processes. This research evaluates the probable natural mechanisms for the reduction of organic contaminant concentrations in ground water. Results indicated that biological degradation and adsorption could be a significant mechanism for removal of organics from ground waters. 12 refs.

  10. A retrospective tiered environmental assessment of the Mount Storm Wind Energy Facility, West Virginia,USA

    SciTech Connect (OSTI)

    Efroymson, Rebecca Ann [ORNL; Day, Robin [No Affiliation; Strickland, M. Dale [Western EcoSystems Technology

    2012-11-01T23:59:59.000Z

    Bird and bat fatalities from wind energy projects are an environmental and public concern, with post-construction fatalities sometimes differing from predictions. Siting facilities in this context can be a challenge. In March 2012 the U.S. Fish and Wildlife Service (USFWS) released Land-based Wind Energy Guidelines to assess collision fatalities and other potential impacts to species of concern and their habitats to aid in siting and management. The Guidelines recommend a tiered approach for assessing risk to wildlife, including a preliminary site evaluation that may evaluate alternative sites, a site characterization, field studies to document wildlife and habitat and to predict project impacts, post construction studies to estimate impacts, and other post construction studies. We applied the tiered assessment framework to a case study site, the Mount Storm Wind Energy Facility in Grant County, West Virginia, USA, to demonstrate the use of the USFWS assessment approach, to indicate how the use of a tiered assessment framework might have altered outputs of wildlife assessments previously undertaken for the case study site, and to assess benefits of a tiered ecological assessment framework for siting wind energy facilities. The conclusions of this tiered assessment for birds are similar to those of previous environmental assessments for Mount Storm. This assessment found risk to individual migratory tree-roosting bats that was not emphasized in previous preconstruction assessments. Differences compared to previous environmental assessments are more related to knowledge accrued in the past 10 years rather than to the tiered structure of the Guidelines. Benefits of the tiered assessment framework include good communication among stakeholders, clear decision points, a standard assessment trajectory, narrowing the list of species of concern, improving study protocols, promoting consideration of population-level effects, promoting adaptive management through post-construction assessment and mitigation, and sharing information that can be used in other assessments.

  11. Earth resistivity measurement near substation ground grids

    SciTech Connect (OSTI)

    Lodwig, S.G.; Mateja, S.A. [ComEd, Chicago, IL (United States)

    1996-11-01T23:59:59.000Z

    Proper substation grounding grid design requires good, accurate soil resistivity measurements. This data is essential to model the substation ground grid to design a safe ground grid with a satisfactory ground grid resistance at minimum cost. For substations with several decades of service, there is some concern that a grid may have deteriorated, been damaged during equipment installation or excavation, or that initial soil resistivity measurements were lost or may not have been correctly performed. Ground grid conductors change the substation surface voltage distribution. Any voltage measurements taken at the complete substation will also vary from the tests made without conductors present. During testing, current was injected in the soil by probes placed near the ground grid. The current tends to follow the ground grid conductors since copper is a far better conductor than the soil it is placed in. Resistance readings near grids will be lower than readings in undisturbed soil. Since computer models were unavailable for many years, analyzing the effect of the grid conductors on soil resistivity measurements was very difficult. As a result, soil resistivity measurements made close to substations were of little use to the engineer unless some means of correcting the measured values could be developed. This paper will present results of soil resistivity measurements near a substation ground grid before and after a ground grid has been installed and describes a means of calculating the undisturbed soil model.

  12. Examination of core samples from the Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope: Effects of retrieval and preservation

    E-Print Network [OSTI]

    Collett, T.J. Kneafsey, T.J., H. Liu, W. Winters, R. Boswell, R. Hunter, and T.S.

    2012-01-01T23:59:59.000Z

    and handling of natural gas hydrate. GSC Bulletin, 544: 263-naturally occurring gas hydrates: the structures of methanefrom the Mount Elbert Gas Hydrate Stratigraphic Test Well,

  13. Analysis of core samples from the BPXA-DOE-USGS Mount Elbert gas hydrate stratigraphic test well: Insights into core disturbance and handling

    E-Print Network [OSTI]

    Kneafsey, Timothy J.

    2010-01-01T23:59:59.000Z

    and handling of natural gas hydrate. GSC Bulletin, 544: 263-naturally occurring gas hydrates: the structures of methaneDOE-USGS Mount Elbert gas hydrate stratigraphic test well:

  14. SEQUENCE STRATIGRAPHY AND FACIES ANALYSIS OF THE ROLLINS SANDSTONE MEMBER (MOUNT GARFIELD FORMATION) AND RE-EXAMINATION OF THE CONTACT BETWEEN THE MOUNT GARFIELD AND WILLIAMS FORK FORMATIONS (LATE CRETACEOUS)

    E-Print Network [OSTI]

    Thompson, Jesse David

    2011-08-31T23:59:59.000Z

    there is no upward-climbing geometry at the top of the Mount Garfield Formation, and the Rollins Sandstone Member and the Cameo Wheeler coal zone (of the Williams Fork Formation) are not time-equivalent units. The marine- shoreface deposits within the Rollins...

  15. Evaluation of analytical methods to interpret ground deformations due to soft ground tunneling

    E-Print Network [OSTI]

    Zymnis, Despina M

    2009-01-01T23:59:59.000Z

    An in depth study was undertaken to evaluate the effectiveness of analytical solutions in describing ground movements induced by soft ground tunneling. The analytical solutions that were examined consider both isotropic ...

  16. Special Section on Ground Water Research in China Featured in This Issue of Ground Water

    E-Print Network [OSTI]

    Jiao, Jiu Jimmy

    of Ground Water by Xun Zhou1, Jiu J. Jiao2, and Mary P. Anderson3 Contained in this issue of Ground Water, Groundwater Resources and the Related Environ- Hydrogeologic Problems in China, Beijing: Seismological Press

  17. Stepped frequency ground penetrating radar

    DOE Patents [OSTI]

    Vadnais, Kenneth G. (Ojai, CA); Bashforth, Michael B. (Buellton, CA); Lewallen, Tricia S. (Ventura, CA); Nammath, Sharyn R. (Santa Barbara, CA)

    1994-01-01T23:59:59.000Z

    A stepped frequency ground penetrating radar system is described comprising an RF signal generating section capable of producing stepped frequency signals in spaced and equal increments of time and frequency over a preselected bandwidth which serves as a common RF signal source for both a transmit portion and a receive portion of the system. In the transmit portion of the system the signal is processed into in-phase and quadrature signals which are then amplified and then transmitted toward a target. The reflected signals from the target are then received by a receive antenna and mixed with a reference signal from the common RF signal source in a mixer whose output is then fed through a low pass filter. The DC output, after amplification and demodulation, is digitized and converted into a frequency domain signal by a Fast Fourier Transform. A plot of the frequency domain signals from all of the stepped frequencies broadcast toward and received from the target yields information concerning the range (distance) and cross section (size) of the target.

  18. Ground Loops for Heat Pumps and Refrigeration 

    E-Print Network [OSTI]

    Braud, H. J.

    1986-01-01T23:59:59.000Z

    Ground loops are used for water source heat pumps. Refrigeration can be put on a ground loop. Water-cooled condensing units are more efficient than air-cooled, and they can be put indoors. Indoor location makes piping for desuperheater hot water...

  19. Ground water provides drinking water, irrigation for

    E-Print Network [OSTI]

    Saldin, Dilano

    Ground water provides drinking water, irrigation for crops and water for indus- tries. It is also connected to surface waters, and maintains the flow of rivers and streams and the level of wetlands- tion of those along Lake Michigan, most communi- ties, farms and industries still rely on ground water

  20. Ground Loops for Heat Pumps and Refrigeration

    E-Print Network [OSTI]

    Braud, H. J.

    1986-01-01T23:59:59.000Z

    Ground loops are used for water source heat pumps. Refrigeration can be put on a ground loop. Water-cooled condensing units are more efficient than air-cooled, and they can be put indoors. Indoor location makes piping for desuperheater hot water...

  1. The CR 2.0mm (.079") insulation displacement connector features a mounting height as low as

    E-Print Network [OSTI]

    Wedeward, Kevin

    7 The CR 2.0mm (.079") insulation displacement connector features a mounting height as low as 6.9mm") pitch insulation displacement connector allows automatic harness production for connection of UL1007 of misinsertion without being permanently distorted. · Twin U-slot insulation displacement section The insulation

  2. Standard Operating Procedure (SOP) All stock must be properly secured in the lathe chuck or mounted prior to the machining

    E-Print Network [OSTI]

    Veiga, Pedro Manuel Barbosa

    or mounted prior to the machining process taking place. Use the correct sized clamp or vise for the stockStandard Operating Procedure (SOP) ­ Lathe · All stock must be properly secured in the lathe chuck the spindle work has the cup center imbedded; tail, stock and tool rests are securely clamped

  3. Maximization of No-Load Flux Density in Surface Mounted Permanent Magnet Motors Frdric DUBAS, Christophe ESPANET & Abdellatif MIRAOUI.

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Maximization of No-Load Flux Density in Surface Mounted Permanent Magnet Motors Frédéric DUBAS, Christophe ESPANET & Abdellatif MIRAOUI. Research Laboratory in Electronics, Electrical engineering expression of the optimal thickness of the magnet which make it possible to maximize the no-load flux density

  4. Modeling of an eye-imaging system for optimizing illumination schemes in an eye-tracked head-mounted

    E-Print Network [OSTI]

    Hua, Hong

    Modeling of an eye-imaging system for optimizing illumination schemes in an eye-tracked head While the augmentation of head-mounted displays (HMDs) with eye-tracking (ET) capabilities adds of illumination schemes in an ET-HMD system, we present a simulated eye illumination and imaging system, which

  5. Helium isotopes in historical lavas from Mount Vesuvius Comment on `Noble gas isotopic ratios from historical lavas

    E-Print Network [OSTI]

    Graham, David W.

    Discussion Helium isotopes in historical lavas from Mount Vesuvius Comment on `Noble gas isotopic. Introduction Helium isotope results recently published by Tedesco et al. [1] appear to show a decrease in 3 He. Results Helium isotope results from our laboratory are reported in Table 1. The 3 He/4 He ratio has been

  6. Development of the recess mounting with monolithic metallization optoelectronic integrated circuit technology for optical clock distribution applications

    E-Print Network [OSTI]

    Atmaca, Eralp, 1976-

    2007-01-01T23:59:59.000Z

    Recess mounting with monolithic metallization, or RM3 integration, is used to integrate Ino.47Ga0.53As/InP based lattice-matched high quantum efficiency p-i-n photodetectors on silicon chips to build high performance ...

  7. EXPERIMENTAL TESTS OF COMPETITIVE MARKETS FOR ELECTRIC POWER Simon Ede, Timothy Mount, William Schulze, Robert Thomas, Ray Zimmerman

    E-Print Network [OSTI]

    CSMAE06 EXPERIMENTAL TESTS OF COMPETITIVE MARKETS FOR ELECTRIC POWER Simon Ede, Timothy Mount@cornell.edu, rjt1@cornell.edu, rz10@cornell.edu Abstract Testing the performance of electricity markets have been shown to be efficient. There is evidence from operating electricity markets that prices can

  8. Talk to the Virtual Hands: Self-Animated Avatars Improve Communication in Head-Mounted Display Virtual

    E-Print Network [OSTI]

    Talk to the Virtual Hands: Self-Animated Avatars Improve Communication in Head-Mounted Display Virtual Environments Trevor J. Dodds1 *, Betty J. Mohler1 , Heinrich H. Bu¨ lthoff1,2 1 Human Perception¨lthoff HH (2011) Talk to the Virtual Hands: Self-Animated Avatars Improve Communication in Head

  9. Hanford site ground water protection management plan

    SciTech Connect (OSTI)

    Not Available

    1994-10-01T23:59:59.000Z

    Ground water protection at the Hanford Site consists of preventative and remedial measures that are implemented in compliance with a variety of environmental regulations at local, state, and federal levels. These measures seek to ensure that the resource can sustain a broad range of beneficial uses. To effectively coordinate and ensure compliance with applicable regulations, the U.S. Department of Energy has issued DOE Order 5400.1 (DOE 1988a). This order requires all U.S. Department of Energy facilities to prepare separate ground water protection program descriptions and plans. This document describes the Ground Water Protection Management Plan (GPMP) for the Hanford Site located in the state of Washington. DOE Order 5400.1 specifies that the GPMP covers the following general topical areas: (1) documentation of the ground water regime; (2) design and implementation of a ground water monitoring program to support resource management and comply with applicable laws and regulations; (3) a management program for ground water protection and remediation; (4) a summary and identification of areas that may be contaminated with hazardous waste; (5) strategies for controlling hazardous waste sources; (6) a remedial action program; and (7) decontamination, decommissioning, and related remedial action requirements. Many of the above elements are currently covered by existing programs at the Hanford Site; thus, one of the primary purposes of this document is to provide a framework for coordination of existing ground water protection activities. The GPMP provides the ground water protection policy and strategies for ground water protection/management at the Hanford Site, as well as an implementation plan to improve coordination of site ground water activities.

  10. Scaling Considerations in Ground State Quantum Computation

    E-Print Network [OSTI]

    Ari Mizel; M. W. Mitchell; Marvin L. Cohen

    2000-07-02T23:59:59.000Z

    We study design challenges associated with realizing a ground state quantum computer. In such a computer, the energy gap between the ground state and first excited state must be sufficiently large to prevent disruptive excitations. Here, an estimate is provided of this gap as a function of computer size. We then address the problem of detecting the output of a ground state quantum computer. It is shown that the exponential detection difficulties that appear to be present at first can be overcome in a straightforward manner by small design changes.

  11. Solar Energy Grid Integration Systems. Final Report of the Princeton Power Systems Development of the 100kW Demand Response Inverter.

    SciTech Connect (OSTI)

    Bower, Ward Isaac; Heavener, Paul (Princeton Power Systems, Inc., Princeton, NJ); Sena-Henderson, Lisa; Hammell, Darren (Princeton Power Systems, Inc., Princeton, NJ); Holveck, Mark (Princeton Power Systems, Inc., Princeton, NJ); David, Carolyn; Akhil, Abbas Ali; Gonzalez, Sigifredo

    2012-01-01T23:59:59.000Z

    Initiated in 2008, the Solar Energy Grid Integration (SEGIS) program is a partnership involving the U.S. Department of Energy, Sandia National Laboratories, electric utilities, academic institutions and the private sector. Recognizing the need to diversify the nation's energy portfolio, the SEGIS effort focuses on specific technologies needed to facilitate the integration of large-scale solar power generation into the nation's power grid Sandia National Laboratories (SNL) awarded a contract to Princeton Power Systems, Inc., (PPS) to develop a 100kW Advanced AC-link SEGIS inverter prototype under the Department of Energy Solar Energy Technologies Program for near-term commercial applications. This SEGIS initiative emphasizes the development of advanced inverters, controllers, communications and other balance-of-system components for photovoltaic (PV) distributed power applications. The SEGIS Stage 3 Contract was awarded to PPS on July 28, 2010. PPS developed and implemented a Demand Response Inverter (DRI) during this three-stage program. PPS prepared a 'Site Demonstration Conference' that was held on September 28, 2011, to showcase the cumulative advancements. This demo of the commercial product will be followed by Underwriters Laboratories, Inc., certification by the fourth quarter of 2011, and simultaneously the customer launch and commercial production sometime in late 2011 or early 2012. This final report provides an overview of all three stages and a full-length reporting of activities and accomplishments in Stage 3.

  12. Suggested performance specifications of standard modular controls for the automation of small hydro electric facilities. [Plant capacities from 50 kW to 15 MW

    SciTech Connect (OSTI)

    Beckwith, R.W.

    1980-06-01T23:59:59.000Z

    These specifications are made available by the Department of Energy for the voluntary use by any person, corporation or governmental body in the writing of purchase specifications for the automatic control of small hydro generating stations, i.e., hydro plants ranging in size from 50 kW to 15 MW. It is believed that the use of these specifications will permit competition among capable vendors and, at the same time, assure proper and reliable operation of both the automation hardware and software purchased. The specifications are detailed to a degree which should assure the interchangeability of hardware and software from various suppliers. This also increases the likelihood that spare parts and service will be available for many years. The specifications are written in modules, each of which can be included or excluded for ease of editing to match a particular application. Brief but detailed instructions are included for such editing. An extensive appendix gives the alternatives which were considered and reasons for the various choices specified.

  13. A prototype 7.5 MHz Finemet(Trademark) loaded RF cavity and 200kW amplifier for the Fermilab proton driver

    SciTech Connect (OSTI)

    David W. Wildman et al.

    2001-07-09T23:59:59.000Z

    A 7.5 MHz RF cavity and power amplifier have been built and tested at Fermilab as part of the proton Driver Design Study. The project goal was to achieve the highest possible 7.5 MHz accelerating gradient at 15 Hz with a 50% duty cycle. To reduce beam loading effects, a low shunt impedance (500{Omega}) design was chosen. The 46 cm long single gap cavity uses 5 inductive cores, consisting of the nanocrystalline soft magnetic alloy Finemet, to achieve a peak accelerating voltage of 15 kV. The 95 cm OD tape wound cores have been cut in half to increase the cavity Q and are cooled from both sides using large water-cooled copper heat sinks. The prototype cavity has a shunt impedance of 550{Omega}, Q = 11, and is powered by a 200 kW cw cathode driven tetrode amplifier. Both cavity and amplifier designs are described. Results from recent cavity tests coalescing beam in the Fermilab Main Injector is also presented.

  14. Spent fuel dry storage technology development: fuel temperature measurements under imposed dry storage conditions (I kW PWR spent fuel assembly)

    SciTech Connect (OSTI)

    Unterzuber, R.; Wright, J.B.

    1980-09-01T23:59:59.000Z

    A spent fuel assembly temperature test under imposed dry storage conditions was conducted at the Engine Maintenance Assembly and Disassembly (E-MAD) facility on the Nevada Test Site in support of spent fuel dry storage technology development. This document presents the test data and results obtained from an approximately 1.0 kW decay heat level PWR spent fuel assembly. A spent fuel test apparatus was designed to utilize a representative stainless steel spent fuel canister, a canister lid containing internal temperature instrumentation to measure fuel cladding temperatures, and a carbon steel liner that encloses the canister and lid. Electrical heaters along the liner length, on the lid, and below the canister are used to impose dry storage canister temperature profiles. Temperature instrumentation is provided on the liner and canister. The liner and canister are supported by a test stand in one of the large hot cells (West Process Cell) inside E-MAD. Fuel temperature measurements have been performed using imposed canister temperature profiles from the electrically heated and spent fuel drywell tests being conducted at E-MAD as well as for four constant canister temperature profiles, each with a vacuum, helium and air backfill. Computer models have been utilized in conjunction with the test to predict the thermal response of the fuel cladding. Computer predictions are presented, and they show good agreement with the test data.

  15. Control of Surface Mounted Permanent Magnet Motors with Special Application to Fractional-Slot Concentrated Windings

    SciTech Connect (OSTI)

    Lawler, J.S.

    2005-12-21T23:59:59.000Z

    It is well known that the ability of the permanent magnet synchronous machine (PMSM) to operate over a wide constant power speed range (CPSR) is dependent upon the machine inductance [1,2,3,4,5]. Early approaches for extending CPSR operation included adding supplementary inductance in series with the motor [1] and the use of anti-parallel thyristor pairs in series with the motor-phase windings [5]. The increased inductance method is compatible with a voltage-source inverter (VSI) controlled by pulse-width modulation (PWM) which is called the conventional phase advance (CPA) method. The thyristor method has been called the dual mode inverter control (DMIC). Neither of these techniques has met with wide acceptance since they both add cost to the drive system and have not been shown to have an attractive cost/benefit ratio. Recently a method has been developed to use fractional-slot concentrated windings to significantly increase the machine inductance [6]. This latest approach has the potential to make the PMSM compatible with CPA without supplemental external inductance. If the performance of such drive is acceptable, then the method may make the PMSM an attractive option for traction applications requiring a wide CPSR. A 30 pole, 6 kW, 6000 maximum revolutions per minute (rpm) prototype of the fractional-slot PMSM design has been developed [7]. This machine has significantly more inductance than is typical of regular PMSMs. The prototype is to be delivered in late 2005 to the Oak Ridge National Laboratory (ORNL) for testing and development of a suitable controller. In advance of the test/control development effort, ORNL has used the PMSM models developed over a number of previous studies to study the steady-state performance of high-inductance PMSM machines with a view towards control issues. The detailed steady-state model developed includes all motor and inverter-loss mechanisms and will be useful in assessing the performance of the dynamic controller to be developed in future work. This report documents the results of this preliminary investigation.

  16. Proceedings of the National Groundwater National Ground Water Association Southwest focused ground water conference: Discussing the issue of MTBE and perchlorate in the ground water, Anaheim, CA, June 3-4, pp:87-90.

    E-Print Network [OSTI]

    ground water conference: Discussing the issue of MTBE and perchlorate in the ground water, Anaheim, CA

  17. Grounding linguistic analysis in control applications

    E-Print Network [OSTI]

    Branavan, Satchuthananthavale Rasiah Kuhan

    2012-01-01T23:59:59.000Z

    This thesis addresses the problem of grounding linguistic analysis in control applications, such as automated maintenance of computers and game playing. We assume access to natural language documents that describe the ...

  18. Above Ground Storage Tank (AST) Inspection Form

    E-Print Network [OSTI]

    Pawlowski, Wojtek

    Above Ground Storage Tank (AST) Inspection Form Petroleum Bulk Storage Form Facility Name.ehs.cornell.edu/env/bulk-material-storage/petroleum-bulk-storage/Documents/AST_Inspection_Form.pdf #12;

  19. Ground Water Protection Act (New Mexico)

    Broader source: Energy.gov [DOE]

    The purpose of the Ground Water Protection Act is to provide substantive provisions and funding mechanisms to the extent that funds are available to enable the state to take corrective action at...

  20. Building an entanglement measure on physical ground

    E-Print Network [OSTI]

    D. Teresi; A. Napoli; A. Messina

    2008-05-28T23:59:59.000Z

    We introduce on physical grounds a new measure of multipartite entanglement for pure states. The function we define is discriminant and monotone under LOCC and moreover can be expressed in terms of observables of the system.

  1. International Borders, Ground Water Flow, and Hydroschizophrenia

    E-Print Network [OSTI]

    Wolf, Aaron

    International Borders, Ground Water Flow, and Hydroschizophrenia by Todd Jarvis1,2, Mark Giordano3 of Geosciences, 104 Wilkinson Hall, Corvallis, OR 97331 2Corresponding author: todd.jarvis@oregonstate.edu 3

  2. Commonality of ground systems in launch operations

    E-Print Network [OSTI]

    Quinn, Shawn M

    2008-01-01T23:59:59.000Z

    NASA is examining the utility of requiring a certain degree of commonality in both flight and ground systems in the Constellation Program. While the benefits of commonality seem obvious in terms of minimizing upfront ...

  3. Ground rubber: Reactive permeable barrier sorption media

    SciTech Connect (OSTI)

    Kershaw, D.S.; Pamukcu, S. [Lehigh Univ., Bethlehem, PA (United States)

    1997-12-31T23:59:59.000Z

    The objective of this research was to examine the feasibility of using ground tire rubber as a sorbent media in reactive permeable barrier systems. Previous research by the current authors has demonstrated that tire rubber can sorb significant quantities of benzene, toluene, ethylbenzene and O-xylene from aqueous solutions. The current research was run to examine the usage rate of ground rubber in a packed bed reactor under specific contact times. In addition, desorption and repetitive sorption tests were run to determine the reversibility of the sorption process for ground tire rubber. These tests were run to determine the regeneration capacity of ground tire rubber. Results of the study show that the usage rates are greater than 50% with an empty bed contact times of 37 minutes, and minimal amounts of energy are needed to regenerate the tire rubber after use.

  4. A note on classical ground state energies

    E-Print Network [OSTI]

    Michael K. -H. Kiessling

    2009-05-28T23:59:59.000Z

    The pair-specific ground state energy of Newtonian N-body systems grows monotonically in N. This furnishes a whole family of simple new tests for minimality of putative ground state energies obtained through computer experiments. Inspection of several publically available lists of such computer-experimentally obtained putative ground state energies has yielded several dozen instances which failed (at least) one of these tests. Although the correct ground state energy is not revealed by this method, it does yield a better upper bound on it than the experimentally found value whenever the latter fails a monotonicity test. The surveyed N-body systems include in particular N point charges with 2- or 3-dimensional Coulomb pair interactions, placed either on the unit 2-sphere or on a 2-torus (a.k.a. Thomson, Fekete, or Riesz problems).

  5. MODELING, VERIFICATION AND OPTIMIZATION OF HYBRID GROUND SOURCE HEAT PUMP

    E-Print Network [OSTI]

    MODELING, VERIFICATION AND OPTIMIZATION OF HYBRID GROUND SOURCE HEAT PUMP SYSTEMS IN ENERGYPLUS, VERIFICATION AND OPTIMIZATION OF HYBRID GROUND SOURCE HEAT PUMP SYSTEMS IN ENERGYPLUS Thesis Approved by: Dr.................................................................................................................... 16 MODELING OF HYBRID GROUND SOURCE HEAT PUMP SYSTEMS IN ENERGYPLUS

  6. Journal of Educational Psychology Applying Grounded Coordination Challenges to Concrete

    E-Print Network [OSTI]

    Journal of Educational Psychology Applying Grounded Coordination Challenges to Concrete Learning, M. I. (2013, August 19). Applying Grounded Coordination Challenges to Concrete Learning Materials.1037/a0034098 #12;Applying Grounded Coordination Challenges to Concrete Learning Materials: A Study

  7. Ground water protection management program plan

    SciTech Connect (OSTI)

    Not Available

    1994-02-01T23:59:59.000Z

    U.S. Department of Energy (DOE) Order 5400.1 requires the establishment of a ground water protection management program to ensure compliance with DOE requirements and applicable federal, state, and local laws and regulations. The Uranium Mill Tailings Remedial Action (UMTRA) Project Office was prepared this Ground Water Protection Management Program Plan (ground water protection plan) whose scope and detail reflect the program`s significance and address the seven activities required in DOE Order 5400.1, Chapter III, for special program planning. This ground water protection plan highlights the methods designed to preserve, protect, and monitor ground water resources at UMTRA Project processing and disposal sites. The plan includes an overview of the remedial action status at the 24 designated processing sites and identifies technical guidance documents and site-specific documents for the UMTRA Project ground water protection management program. In addition, the plan addresses the general information required to develop a water resources protection strategy at the permanent disposal sites. Finally, the plan describes ongoing activities that are in various stages of development at UMTRA Project sites.

  8. A model of ATL ground motion for storage rings

    E-Print Network [OSTI]

    Wolski, Andrzej; Walker, Nicholas J.

    2003-01-01T23:59:59.000Z

    A MODEL OF ATL GROUND MOTION FOR STORAGE RINGS A. WolskiMODEL OF ATL GROUND MOTION FOR STORAGE RINGS* A. Wolski # ,

  9. Data Analysis from Ground Source Heat Pump Demonstration Projects...

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

    Analysis from Ground Source Heat Pump Demonstration Projects Data Analysis from Ground Source Heat Pump Demonstration Projects Comparison of building energy use before and after...

  10. Fuel Cell Council Working Group on Aircraft and Aircraft Ground...

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

    Council Working Group on Aircraft and Aircraft Ground Support Fuel Cell Applications Fuel Cell Council Working Group on Aircraft and Aircraft Ground Support Fuel Cell Applications...

  11. Ball State University Completes Nation's Largest Ground-Source...

    Office of Environmental Management (EM)

    University Completes Nation's Largest Ground-Source Geothermal System with Support from Recovery Act Ball State University Completes Nation's Largest Ground-Source Geothermal...

  12. GROUND PLANE INSULATION FAILURE IN THE FIRST TPC SUPERCONDUCTING COIL

    E-Print Network [OSTI]

    Green, M.A.

    2010-01-01T23:59:59.000Z

    is WIUUTEO GROUND PLANE INSULATION FAILURE IN THE FIRST TPCOn August 27, 1980, an insulation failure occurred dt-ringby a failure uf ground plane insulation. ACKNOWLEDGMENTS The

  13. The Effect of Equilibrating Mounted Dental Stone Casts in Maximum Intercuspation on the Occlusal Harmony of an Indirect Restoration

    E-Print Network [OSTI]

    Benson, Peter Andrew

    2013-12-13T23:59:59.000Z

    THE EFFECT OF EQUILIBRATING MOUNTED DENTAL STONE CASTS IN MAXIMUM INTERCUSPATION ON THE OCCLUSAL HARMONY OF AN INDIRECT RESTORATION A Thesis by PETER ANDREW BENSON Submitted to The Office of Graduate and Professional Studies... of Texas A&M University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE Chair of Committee, William W. Nagy Committee Members, Peter M. Buschang Carl G. Wirth Head of Department, William W. Nagy...

  14. History told from the depths of Lake Champlai: 1992-1993 Fort Ticonderoga-Mount Independence submerged cultural resource survey

    E-Print Network [OSTI]

    McLaughlin, Scott Arthur

    2000-01-01T23:59:59.000Z

    Campano Virginia West Funding The Fort Ticonderoga-Mount Independence Project could not have been completed without the cooperative efforts and funds from a number of federal and state government agencies. Federal funding was pmvided by the New... at its mouth (Johnson 1984). The topography and landforms visible today sunoundng the project area are products of ancient mountain-building process' and erosional forces of glaciers and rivers that gouged the valleys and scoured the surfaces...

  15. Fuel Economy and Emissions Effects of Low Tire Pressure, Open Windows, Roof Top and Hitch-Mounted Cargo, and Trailer

    SciTech Connect (OSTI)

    Thomas, John F [ORNL] [ORNL; Huff, Shean P [ORNL] [ORNL; West, Brian H [ORNL] [ORNL

    2014-01-01T23:59:59.000Z

    To quantify the fuel economy (FE) effect of some common vehicle accessories or alterations, a compact passenger sedan and a sport utility vehicle (SUV) were subjected to SAE J2263 coastdown procedures. Coastdowns were conducted with low tire pressure, all windows open, with a roof top or hitch-mounted cargo carrier, and with the SUV pulling an enclosed cargo trailer. From these coastdowns, vehicle dynamometer coefficients were developed which enabled the execution of vehicle dynamometer experiments to determine the effect of these changes on vehicle FE and emissions over standard drive cycles and at steady highway speeds. The FE penalty associated with the rooftop cargo box mounted on the compact sedan was as high as 25-27% at higher speeds, where the aerodynamic drag is most pronounced. For both vehicles, use of a hitch mounted cargo tray carrying a similar load resulted in very small FE penalties, unlike the rooftop cargo box. The results for the SUV pulling a 3500 pound enclosed cargo trailer were rather dramatic, resulting in FE penalties ranging from 30%, for the city cycle, to 50% at 80 mph, at which point significant CO generation indicated protective enrichment due to high load. Low tire pressure cases resulted in negligible to 10% FE penalty depending on the specific case and test point. Driving with all four windows open decreased FE by 4-8.5% for the compact sedan, and 1-4% for the SUV.

  16. Measured Performance and Analysis of Ground Source Heat Pumps for Space Conditioning and for Water Heating in a Low-Energy Test House Operated under Simulated Occupancy Conditions

    SciTech Connect (OSTI)

    Ally, Moonis Raza [ORNL] [ORNL; Munk, Jeffrey D [ORNL] [ORNL; Baxter, Van D [ORNL] [ORNL; Gehl, Anthony C [ORNL] [ORNL

    2012-01-01T23:59:59.000Z

    In this paper we present measured performance and efficiency metrics of Ground Source Heat Pumps (GSHPs) for space conditioning and for water heating connected to a horizontal ground heat exchanger (GHX) loop. The units were installed in a 345m2 (3700ft2) high-efficiency test house built with structural insulated panels (SIPs), operated under simulated occupancy conditions, and located in Oak Ridge, Tennessee (USA) in US Climate Zone 4 . The paper describes distinctive features of the building envelope, ground loop, and equipment, and provides detailed monthly performance of the GSHP system. Space conditioning needs of the house were completely satisfied by a nominal 2-ton (7.0 kW) water-to-air GSHP (WA-GSHP) unit with almost no auxiliary heat usage. Recommendations for further improvement through engineering design changes are identified. The comprehensive set of data and analyses demonstrate the feasibility and practicality of GSHPs in residential applications and their potential to help achieve source energy and greenhouse gas emission reduction targets set under the IECC 2012 Standard.

  17. Module Grounding Module grounding still continues to be an issue with many

    E-Print Network [OSTI]

    Johnson, Eric E.

    by leaps and bounds. New module and inverter manufacturers are entering the market, and the number of PV that will be used with transformerless inverters, and those systems will not have a grounded PV DC conductor. (See so, as PV installers attempt to reduce the time and materials required to ground modules

  18. Mimicking Time Evolution within a Quantum Ground State: Ground-State Quantum Computation, Cloning, and Teleportation

    E-Print Network [OSTI]

    Ari Mizel

    2003-12-09T23:59:59.000Z

    Ground-state quantum computers mimic quantum mechanical time evolution within the amplitudes of a time-independent quantum state. We explore the principles that constrain this mimicking. A no-cloning argument is found to impose strong restrictions. It is shown, however, that there is flexibility that can be exploited using quantum teleportation methods to improve ground-state quantum computer design.

  19. The ground state energy at unitarity

    E-Print Network [OSTI]

    Dean Lee

    2008-07-28T23:59:59.000Z

    We consider two-component fermions on the lattice in the unitarity limit. This is an idealized limit of attractive fermions where the range of the interaction is zero and the scattering length is infinite. Using Euclidean time projection, we compute the ground state energy using four computationally different but physically identical auxiliary-field methods. The best performance is obtained using a bounded continuous auxiliary field and a non-local updating algorithm called hybrid Monte Carlo. With this method we calculate results for 10 and 14 fermions at lattice volumes 4^3, 5^3, 6^3, 7^3, 8^3 and extrapolate to the continuum limit. For 10 fermions in a periodic cube, the ground state energy is 0.292(12) times the ground state energy for non-interacting fermions. For 14 fermions the ratio is 0.329(5).

  20. Examination of core samples from the Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope: Effects of retrieval and preservation

    E-Print Network [OSTI]

    Collett, T.J. Kneafsey, T.J., H. Liu, W. Winters, R. Boswell, R. Hunter, and T.S.

    2012-01-01T23:59:59.000Z

    Mount Elbert Well) during drilling and coring operationsWell in February 2007. Coring was performed while using a custom oil-based drillingWell, pressure coring was not used, thus the core was depressurized upon ascent. Drilling

  1. Analysis of core samples from the BPXA-DOE-USGS Mount Elbert gas hydrate stratigraphic test well: Insights into core disturbance and handling

    E-Print Network [OSTI]

    Kneafsey, Timothy J.

    2010-01-01T23:59:59.000Z

    Mount Elbert Well) during drilling and coring operationsWell in February 2007. Coring was performed while using a custom oil-based drillingWell, pressure coring was not used, thus the core was depressurized upon ascent. Drilling

  2. Post-fire Tree Establishment Patterns at the Subalpine Forest-Alpine Tundra Ecotone: A Case Study in Mount Rainier National Park 

    E-Print Network [OSTI]

    Stueve, Kirk M.

    2010-10-12T23:59:59.000Z

    with the physical environment. This dissertation employs a landscape ecology approach to examine the abiotic and biotic ecological mechanisms most important in controlling tree establishment at this ecotone. The study site is on the western slopes of Mount Rainier...

  3. Ground Control for Emplacement Drifts for SR

    SciTech Connect (OSTI)

    Y. Sun

    2000-04-07T23:59:59.000Z

    This analysis demonstrates that a satisfactory ground control system can be designed for the Yucca Mountain site, and provides the technical basis for the design of ground support systems to be used in repository emplacement and non-emplacement drifts. The repository ground support design was based on analytical methods using acquired computer codes, and focused on the final support systems. A literature review of case histories, including the lessons learned from the design and construction of the ESF, the studies on the seismic damages of underground openings, and the use of rock mass classification systems in the ground support design, was conducted (Sections 6.3.4 and 6.4). This review provided some basis for determining the inputs and methodologies used in this analysis. Stability of the supported and unsupported emplacement and non-emplacement drifts was evaluated in this analysis. The excavation effects (i.e., state of the stress change due to excavation), thermal effects (i.e., due to heat output from waste packages), and seismic effects (i.e., from potential earthquake events) were evaluated, and stress controlled modes of failure were examined for two in situ stress conditions (k_0=0.3 and 1.0) using rock properties representing rock mass categories of 1 and 5. Variation of rock mass units such as the non-lithophysal (Tptpmn) and lithophysal (Tptpll) was considered in the analysis. The focus was on the non-lithophysal unit because this unit appears to be relatively weaker and has much smaller joint spacing. Therefore, the drift stability and ground support needs were considered to be controlled by the design for this rock unit. The ground support systems for both emplacement and non-emplacement drifts were incorporated into the models to assess their performance under in situ, thermal, and seismic loading conditions. Both continuum and discontinuum modeling approaches were employed in the analyses of the rock mass behavior and in the evaluation of the stability of the openings. No credit or account was given for the initial ground support in modeling the final ground support systems for both emplacement and non-emplacement drifts in this analysis.

  4. Evacuated optical structure comprising optical bench mounted to sidewall of vacuum chamber in a manner which inhibits deflection and rotation of the optical bench

    DOE Patents [OSTI]

    Bowers, Joel M. (Livermore, CA)

    1994-01-01T23:59:59.000Z

    An improved evacuated optical structure is disclosed comprising an optical bench mounted in a vacuum vessel in a manner which inhibits transmission of movement of the vacuum vessel to the optical bench, yet provides a compact and economical structure. The vacuum vessel is mounted, through a sidewall thereof, to a support wall at four symmetrically positioned and spaced apart areas, each of which comprises a symmetrically positioned group of mounting structures passing through the sidewall of the vacuum vessel. The optical bench is pivotally secured to the vacuum vessel by four symmetrically spaced apart bolts and spherical bearings, each of which is centrally positioned within one of the four symmetrically positioned groups of vacuum vessel mounting structures. Cover plates and o-ring seals are further provided to seal the vacuum vessel mounting structures from the interior of the vacuum vessel, and venting bores are provided to vent trapped gases in the bores used to secure the cover plates and o-rings to the vacuum vessel. Provision for detecting leaks in the mounting structures from the rear surface of the vacuum vessel sidewall facing the support wall are also provided. Deflection to the optical bench within the vacuum vessel is further minimized by tuning the structure for a resonant frequency of at least 100 Hertz.

  5. Evacuated optical structure comprising optical bench mounted to sidewall of vacuum chamber in a manner which inhibits deflection and rotation of the optical bench

    DOE Patents [OSTI]

    Bowers, J.M.

    1994-04-19T23:59:59.000Z

    An improved evacuated optical structure is disclosed comprising an optical bench mounted in a vacuum vessel in a manner which inhibits transmission of movement of the vacuum vessel to the optical bench, yet provides a compact and economical structure. The vacuum vessel is mounted, through a sidewall thereof, to a support wall at four symmetrically positioned and spaced apart areas, each of which comprises a symmetrically positioned group of mounting structures passing through the sidewall of the vacuum vessel. The optical bench is pivotally secured to the vacuum vessel by four symmetrically spaced apart bolts and spherical bearings, each of which is centrally positioned within one of the four symmetrically positioned groups of vacuum vessel mounting structures. Cover plates and o-ring seals are further provided to seal the vacuum vessel mounting structures from the interior of the vacuum vessel, and venting bores are provided to vent trapped gases in the bores used to secure the cover plates and o-rings to the vacuum vessel. Provision for detecting leaks in the mounting structures from the rear surface of the vacuum vessel sidewall facing the support wall are also provided. Deflection to the optical bench within the vacuum vessel is further minimized by tuning the structure for a resonant frequency of at least 100 Hertz. 10 figures.

  6. Unattended ground sensor situation assessment workstation

    SciTech Connect (OSTI)

    Jeppesen, D.; Trellue, R.

    1997-04-01T23:59:59.000Z

    Effective utilization of unattended ground sensors (UGSs) in a theater reconnaissance, surveillance, target acquisition, and kill assessment environment requires that a human operator be able to interpret, and collectively assess, the significance of real time data obtained from UGS emplacements over large geographical regions of interest. The products of this UGS data interpretation and assessment activity can then be used in the decision support process for command level evaluation of appropriate courses of action. Advancements in both sensor hardware technology and in software systems and processing technology have enabled the development of practical real time situation assessment capabilities based upon information from unattended ground sensors. A decision support workstation that employs rule-based expert system processing of reports from unattended ground sensors is described. The primary goal of this development activity is to produce a suite of software to track vehicles using data from unattended ground sensors. The situational assessment products from this system have stand-alone utility, but are also intended to provide cueing support for overhead sensors and supplementary feeds to all-source fusion centers. The conceptual framework, developmental architecture, and demonstration field tests of the system are described.

  7. GROUND-BASED FACILITIES REVIEW CONSULTATIVE DOCUMENT

    E-Print Network [OSTI]

    Crowther, Paul

    has been withdrawal from the AAO and significant reduction in the running costs at ING and JAC the benefits of joining ESO. Initially the UK decided to enter the 8-metre era by joining the Gemini wavebands, and needing both space and ground-based facilities to achieve new science goals. It also stresses

  8. Selenium in Oklahoma ground water and soil

    SciTech Connect (OSTI)

    Atalay, A.; Vir Maggon, D.

    1991-03-30T23:59:59.000Z

    Selenium with a consumption of 2 liters per day (5). The objectives of this study are: (1) to determine the concentrations of Se in Oklahoma ground water and soil samples. (2) to map the geographical distribution of Se species in Oklahoma. (3) to relate groundwater depth, pH and geology with concentration of Se.

  9. Radioisotope Thermoelectric Generator Transporation System licensed hardware second certification test series and package shock mount system test

    SciTech Connect (OSTI)

    Ferrell, P.C.; Moody, D.A.

    1995-10-01T23:59:59.000Z

    This paper presents a summary of two separate drop test a e performed in support of the Radioisotope Thermoelectric Generator (RTG) Transportation System (RTGTS). The first portion of this paper presents the second series of drop testing required to demonstrate that the RTG package design meets the requirements of Title 10, Code of Federal Regulations, ``Part 71`` (10 CFR 71). Results of the first test series, performed in July 1994, demonstrated that some design changes were necessary. The package design was modified to improve test performance and the design changes were incorporated into the Safety Analysis Report for Packaging (SARP). The second full-size certification test article (CTA-2) incorporated the modified design and was tested at the US Department of Energy`s (DOE) Hanford Site near Richland, Washington. With the successful completion of the test series, and pending DOE Office of Facility Safety Analysis approval of the SARP, a certificate of compliance will be issued for the RTG package allowing its use. The second portion of this paper presents the design and testing of the RTG Package Mount System. The RTG package mount was designed to protect the RTG from excessive vibration during transport, provide shock protection during on/off loading, and provide a mechanism for moving the RTG package with a forklift. Military Standard (MIL-STD) 810E, Transit Drop Procedure (DOE 1989), was used to verify that the shock limiting system limited accelerations in excess of 15 G`s at frequencies below 150 Hz. Results of the package mount drop tests indicate that an impact force of 15 G`s was not exceeded in any test from a free drop height of 457 mm (18 in.).

  10. Radioisotope Thermoelectric Generator Transportation System licensed hardware second certification test series and package shock mount system test

    SciTech Connect (OSTI)

    Ferrell, P.C.; Moody, D.A. [Westinghouse Hanford Company, P.O. Box 1970, Richland, Washington 99352 (United States)

    1996-03-01T23:59:59.000Z

    This paper presents a summary of two separate drop test activities that were performed in support of the Radioisotope Thermoelectric Generator (RTG) Transportation System (RTGTS). The first portion of this paper presents the second series of drop testing required to demonstrate that the RTG package design meets the requirements of {ital Title} 10, {ital Code} {ital of} {ital Federal} {ital Regulations}, {open_quote}{open_quote}Part 71{close_quote}{close_quote} (10 CFR 71). Results of the first test series, performed in July 1994, demonstrated that some design changes were necessary. The package design was modified to improve test performance and the design changes were incorporated into the Safety Analysis Report for Packaging (SARP). The second full-size certification test article (CTA-2) incorporated the modified design and was tested at the U.S. Department of Energy{close_quote}s (DOE) Hanford Site near Richland, Washington. With the successful completion of the test series, and pending DOE Office of Facility Safety Analysis approval of the SARP, a certificate of compliance will be issued for the RTG package allowing its use. The second portion of this paper presents the design and testing of the RTG Package Mount System. The RTG package mount was designed to protect the RTG from excessive vibration during transport, provide shock protection during on/off loading, and provide a mechanism for moving the RTG package with a forklift. Military Standard (MIL-STD) 810E, {ital Transit} {ital Drop} {ital Procedure} (DOE 1989), was used to verify that the shock limiting system limited accelerations in excess of 15 G{close_quote}s at frequencies below 150 Hz. Results of the package mount drop tests indicate that an impact force of 15 G{close_quote}s was not exceeded in any test from a free drop height of 457 mm (18 in.). {copyright} {ital 1996 American Institute of Physics.}

  11. Coupled reservoir-geomechanical analysis of CO2 injection and ground deformations at In Salah, Algeria

    E-Print Network [OSTI]

    Rutqvist, J.

    2010-01-01T23:59:59.000Z

    CO 2 sequestration; In Salah; geomechanics; ground surfaceCO 2 injection, geomechanics, and ground surface

  12. Ambient Airborne Solids Concentrations Including Volcanic Ash at Hanford, Washington Sampling Sites Subsequent to the Mount St. Helens Eruption

    SciTech Connect (OSTI)

    Sehmel, G.A.

    1982-12-20T23:59:59.000Z

    A major eruption of Mount St. Helens occurred on May 18, 1980. Subsequently, airborne solid concentrations were measured as a function of time at two sites within the southern edge of the fallout plume about 211 km east of Mount St. Helens. This ash was a source for investigating area-wide resuspension. Rain had a variable effect on decreasing airborne concentrations from resuspension. From 0.5 to 1.5 cm of rain were required to significantly reduce airborne solid concentrations through July. For a more aged resuspension source in September, a rain of 2.0 cm had a negligible effect. A monthly average threshold-wind speed for resuspension was defined as 3.6 m/s. For monthly-average wind speeds less than the threshold wind speed, monthly-average airborne concentrations tended to decrease with time. A decrease was recorded between September and October. For this 4-month time period, the half-life was on the order of 50 days, corresponding to a weathering rate of 5.1 year/sup -1/.

  13. Ground motion data for International Collider models

    SciTech Connect (OSTI)

    Volk, J.T.; LeBrun, P.; Shiltsev, V.; Singatulin, S.; /Fermilab

    2007-11-01T23:59:59.000Z

    The proposed location for the International Linear Collider (ILC) in the Americas region is Fermilab in Batavia Illinois. If built at this location the tunnels would be located in the Galena Platteville shale at a depth of 100 or more meters below the surface. Studies using hydro static water levels and seismometers have been conducted in the MINOS hall and the LaFrange Mine in North Aurora Illinois to determine the level of ground motion. Both these locations are in the Galena Platteville shale and indicate the typical ground motion to be expected for the ILC. The data contains both natural and cultural noise. Coefficients for the ALT law are determined. Seismic measurements at the surface and 100 meters below the surface are presented.

  14. Thermal ground state and nonthermal probes

    E-Print Network [OSTI]

    Grandou, Thierry

    2015-01-01T23:59:59.000Z

    The Euclidean formulation of SU(2) Yang-Mills thermodynamics admits periodic, (anti)selfdual solutions to the fundamental, classical equation of motion which possess one unit of topological charge: (anti)calorons. A spatial coarse graining over the central region in a pair of such localised field configurations with trivial holonomy generates an inert adjoint scalar field $\\phi$, effectively describing the pure quantum part of the thermal ground state in the induced quantum field theory. The latter's local vertices are mediated by just-not-resolved (anti)caloron centers of action $\\hbar$. This is the basic reason for a rapid convergence of the loop expansion of thermodynamical quantities, polarization tensors, etc., their effective loop momenta being severely constrained in entirely fixed and physical unitary-Coulomb gauge. Here we show for the limit of zero holonomy how (anti)calorons associate a temperature independent electric permittivity and magnetic permeability to the thermal ground state of SU(2)$_{\\t...

  15. SRS Burial Ground Complex: Remediation in Progress

    SciTech Connect (OSTI)

    Griffin, M. [Westinghouse Savannah River Company, AIKEN, SC (United States); Crapse, B.; Cowan, S.

    1998-01-21T23:59:59.000Z

    Closure of the various areas in the Burial Ground Complex (BGC) represents a major step in the reduction of risk at the Savannah River Site (SRS) and a significant investment of resources. The Burial Ground Complex occupies approximately 195 acres in the central section of the SRS. Approximately 160 acres of the BGC consists of hazardous and radioactive waste disposal sites that require remediation. Of these source acres, one-third have been remediated while two-thirds are undergoing interim or final action. These restoration activities have been carried out in a safe and cost effective manner while minimizing impact to operating facilities. Successful completion of these activities is in large part due to the teamwork demonstrated by the Department of Energy, contractor/subcontractor personnel, and the regulatory agencies. The experience and knowledge gained from the closure of these large disposal facilities can be used to expedite closure of similar facilities.

  16. Compression of ground-motion data

    SciTech Connect (OSTI)

    Long, J.W.

    1981-04-01T23:59:59.000Z

    Ground motion data has been recorded for many years at Nevada Test Site and is now stored on thousands of digital tapes. The recording format is very inefficient in terms of space on tape. This report outlines a method to compress the data onto a few hundred tapes while maintaining the accuracy of the recording and allowing restoration of any file to the original format for future use. For future digitizing a more efficient format is described and suggested.

  17. Ground motion: An introduction for accelerator builders

    SciTech Connect (OSTI)

    Fischer, G.E.

    1992-02-01T23:59:59.000Z

    In this seminar we will review some of the characteristics of the major classes of ground motion in order to determine whether their effects must be considered or place fundamental limits on the sitting and/or design of modern storage rings and linear colliders. The classes discussed range in frequency content from tidal deformation and tectonic motions through earthquakes and microseisms. Countermeasures currently available are briefly discussed.

  18. Response of continuous pipelines to tunnel induced ground deformations

    E-Print Network [OSTI]

    Ieronymaki, Evangelia S

    2011-01-01T23:59:59.000Z

    This thesis develops analytical solutions for estimating the bending moments and axial loads in a buried pipeline due to ground movements caused by tunnel construction in soft ground. The solutions combine closed-form, ...

  19. Optimal Design for a Hybrid Ground-Source Heat Pump 

    E-Print Network [OSTI]

    Yu, Z.; Yuan, X.; Wang, B.

    2006-01-01T23:59:59.000Z

    extraction from the ground. The paper presented has shown that the heat rejection of the GLHEs and the system energy consumption are approached to discuss the ground heat balance with different design procedures and control strategies though the system...

  20. Ground-Coupled Heat Pump Applications and Case Studies 

    E-Print Network [OSTI]

    Braud, H. J.

    1989-01-01T23:59:59.000Z

    The paper presents an overview of ground loops for space-conditioning heat pumps, hot water, ice machines, and water-cooled refrigeration in residential and commercial applications. In Louisiana, a chain of hamburger drive-ins uses total ground...

  1. The Design of Ground-Coupled Heat Pump Systems 

    E-Print Network [OSTI]

    Parker, J. D.

    1985-01-01T23:59:59.000Z

    Ground-coupled heat pumps are being installed in increasing numbers due to proven performance and economy. The overall thermal resistance between the ground coupling fluid and a given type of surrounding soil is affected by pipe material, wall...

  2. The Design of Ground-Coupled Heat Pump Systems

    E-Print Network [OSTI]

    Parker, J. D.

    1985-01-01T23:59:59.000Z

    Ground-coupled heat pumps are being installed in increasing numbers due to proven performance and economy. The overall thermal resistance between the ground coupling fluid and a given type of surrounding soil is affected by pipe material, wall...

  3. Designing Teams of Unattended Ground Sensors Using Genetic Algorithms

    E-Print Network [OSTI]

    Wu, Annie S.

    Designing Teams of Unattended Ground Sensors Using Genetic Algorithms Ayse S. Yilmaz 1 and Brian N the sensing capabilities of a sensor suite. This work focuses on unattended ground sensor networks consisting

  4. Designing Teams of Unattended Ground Sensors Using Genetic Algorithms

    E-Print Network [OSTI]

    Wu, Annie S.

    Designing Teams of Unattended Ground Sensors Using Genetic Algorithms Ayse S. Yilmaz1 and Brian N of a sensor suite. This work focuses on unattended ground sensor networks consisting of teams of small

  5. Factors controlling tungsten concentrations in ground water, Carson Desert, Nevada

    E-Print Network [OSTI]

    Factors controlling tungsten concentrations in ground water, Carson Desert, Nevada Ralph L. Seiler sources. Tungsten concentrations in 100 ground water samples from all aquifers used as drinking water indicates that W exhibits Tungsten con- centrations are strongly and positively correlated

  6. Talking In Circles: Designing A Spatially-Grounded Audioconferencing Environment

    E-Print Network [OSTI]

    to become a popular medium for social interaction. Traditional chat environments, however, are limitedTalking In Circles: Designing A Spatially-Grounded Audioconferencing Environment Roy Rodenstein, a multimodal audioconferencing environment whose novel design emphasizes spatial grounding with the aim

  7. aircraft ground operations: Topics by E-print Network

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

    of a Tilt Rotor Aircraft Wake in Ground Effect, (May 19B2) Michael Louis Frey III, B. S. , Texas A... Frey, Michael Louis 2012-06-07 22 Aircraft Ground Traffic Optimization...

  8. Slotted Ground Structures and Their Applications to Various Microwave Components

    E-Print Network [OSTI]

    Jung, Dong

    2010-01-16T23:59:59.000Z

    This thesis discusses microstrip circuits and components with a slotted area on the ground plane. In recent years, various slot geometries have been placed on the ground plane with the purpose of reducing harmonics, producing frequency pass...

  9. Cooperative heat transfer and ground coupled storage system

    DOE Patents [OSTI]

    Metz, Philip D. (Rocky Point, NY)

    1982-01-01T23:59:59.000Z

    A cooperative heat transfer and ground coupled storage system wherein collected solar heat energy is ground stored and permitted to radiate into the adjacent ground for storage therein over an extended period of time when such heat energy is seasonally maximally available. Thereafter, when said heat energy is seasonally minimally available and has propagated through the adjacent ground a substantial distance, the stored heat energy may be retrieved by a circumferentially arranged heat transfer means having a high rate of heat transfer.

  10. Recommendation 195: Mitigation of Contamination in Bear Creek Burial Grounds

    Broader source: Energy.gov [DOE]

    The ORSSAB requests DOE provide possible remedial actions to mitigate releases of contamination from Bear Creek Burial Grounds.

  11. Ground Versus Unground Grain for Lactating Dairy Cows. 

    E-Print Network [OSTI]

    Darnell, A. L. (Albert Laurie); Copeland, O. C. (Orlin Cephas)

    1936-01-01T23:59:59.000Z

    LIBRARY, A & hf COLLEGE, CAMPUS. TEXAS AGRICULTURAL EXPERIMENT STATION A. B. CONNER, DIFkECTOR COLLE~E STATION, BRAZOS COUNTY, TEXAS BULLETIN NO. 530 SEPTEMBER, 193 6 DIVISION OF DAIRY HUSBANDRY Ground Versus Unground Grain far Lactating...- bandry in cooperation with the Texas Agricultural Experiment Station. The double reversal method of feeding lactating dairy cows was used in comparing whole versus ground shelled corn, whole versus ground threshed oats, whole versus ground threshed...

  12. Regional Estimation of Total Recharge to Ground Water in Nebraska

    E-Print Network [OSTI]

    Szilagyi, Jozsef

    )over long periods of time when the potential change in ground water storage becomes negligible compared storage other than discharge to streams. One such loss term is evapotranspiration (ET) from ground waterRegional Estimation of Total Recharge to Ground Water in Nebraska by Jozsef Szilagyi1m2,F. Edwin

  13. Materialized community ground models for large-scale earthquake simulation

    E-Print Network [OSTI]

    Shewchuk, Jonathan

    Materialized community ground models for large-scale earthquake simulation Steven W. Schlosser to ground motion sim- ulations, in which ground model datasets are fully materi- alized into octress stored as a service techniques in which scientific computation and storage services become more tightly intertwined. 1

  14. DEVELOPMENTS IN GROUND WATER HYDROLOGY : AN OVERVIEW C. P. Kumar

    E-Print Network [OSTI]

    Kumar, C.P.

    . Surface water storage and ground water withdrawal are traditional engineering approaches which of storage and circulation as ground water. The large alluvial tract extending over 2000 km in length from which allows ground water storage in the weathered residium and its circulation in the underlying

  15. Introduction Ground source heat pump (GSHP) systems are used

    E-Print Network [OSTI]

    to drilling of bore- holes for vertical ground heat exchangers (GHX), or excavation for horizontal GHX heating and cooling loads and their distribution over the year, as well as ground thermal properties, undisturbed ground temperature, and GHX design, as well as other factors. For low energy buildings the greatly

  16. Basic Ground-Water Hydrology By RALPH C. HEATH

    E-Print Network [OSTI]

    Sohoni, Milind

    #12;Basic Ground-Water Hydrology By RALPH C. HEATH Prepared in cooperation with the North Carolina., 1983, Basic ground-water hydrology: U .S. Geological Survey Water-Supply Paper 2220, 86 p. Library of Congress Cataloging-in-Publications Data Heath, Ralph C . Basic ground-water hydrology (Geological Survey

  17. ADVANCES IN MODELING OF GROUND-SOURCE HEAT

    E-Print Network [OSTI]

    ADVANCES IN MODELING OF GROUND-SOURCE HEAT PUMP SYSTEMS By ANDREW D. CHIASSON Bachelor of Applied 1999 #12;ii ADVANCES IN MODELING OF GROUND-SOURCE HEAT PUMP SYSTEMS Thesis Approved: Thesis Adviser..............................................................................................................1 1.1. Overview of Ground-Source Heat Pump Systems ..............................................1 1

  18. APPLICATIONS OF HYBRID GROUND SOURCE HEAT PUMP SYSTEMS TO

    E-Print Network [OSTI]

    APPLICATIONS OF HYBRID GROUND SOURCE HEAT PUMP SYSTEMS TO BUILDINGS AND BRIDGE DECKS. By MAHADEVAN Chapter Page 1. Introduction 1.1. Overview of hybrid ground source heat pump systems 1.2. Literature review 1.3. Thesis objective and scope 2. Optimal sizing of hybrid ground source heat pump system

  19. DESIGN OF AN EXPERIMENTAL FACILITY FOR HYBRID GROUND SOURCE HEAT

    E-Print Network [OSTI]

    DESIGN OF AN EXPERIMENTAL FACILITY FOR HYBRID GROUND SOURCE HEAT PUMP SYSTEMS By SHAWN ALEX HERN.1 HYBRID GROUND SOURCE HEAT PUMP SYSTEM DESIGN........................................2-3 2.1.1 Design...............................................................................2-5 2.2 HYBRID GROUND SOURCE HEAT PUMP SYSTEM SIMULATION................................2-9 3

  20. Cleanup Verification Package for the 618-2 Burial Ground

    SciTech Connect (OSTI)

    W. S. Thompson

    2006-12-28T23:59:59.000Z

    This cleanup verification package documents completion of remedial action for the 618-2 Burial Ground, also referred to as Solid Waste Burial Ground No. 2; Burial Ground No. 2; 318-2; and Dry Waste Burial Site No. 2. This waste site was used primarily for the disposal of contaminated equipment, materials and laboratory waste from the 300 Area Facilities.

  1. On Termination and Derivation Lengths for Ground Rewrite Systems

    E-Print Network [OSTI]

    Giesl, Juergen

    On Termination and Derivation Lengths for Ground Rewrite Systems Dieter Hofbauer 1 Universit¨at GH@theory.informatik.uni­kassel.de Abstract. It is shown that for terminating ground term rewrite systems the length of derivations a suitable interpretation into the natural numbers. Terminating ground systems are not necessarily

  2. Efficiency increase and environmental benefits of using a gas turbine hybrid cycle in Mount Amiata geothermal area

    SciTech Connect (OSTI)

    Baldacci, A.; Papale, R.; Sabatelli, F. [Enel Spa Geothermal Generation Dept., Pisa (Italy); Bidini, G. [Universita di Perugia (Italy)

    1997-12-31T23:59:59.000Z

    A hybrid cycle scheme is described, integrating a gas turbine unit firing natural gas and a geothermal power plant. Gas turbine exhaust is used to superheat geothermal steam and, possibly, to feed a bottoming binary unit. The proposed cycle can retrofit existing geothermal plants and displays efficiencies (referred to fossil fuel use) comparable to those typical of large-size combined cycle plants. In the situation of Mount Amiata deep geothermal fields, other favorable features of this scheme include the possibility to take advantage of the water separated at wellhead. Of foremost importance, however, is the option of using the noncondensable gas discharged by the geothermal plant, mixed with the inlet air, to feed the gas turbine. Oxidation of hydrogen sulfide to sulfur dioxide can thus be cheaply accomplished, with an added efficiency increase. Technical aspects arising from the proposed scheme are discussed, and preliminary economic evaluations are presented.

  3. Method and apparatus for mounting a dichroic mirror in a microwave powered lamp assembly using deformable tabs

    DOE Patents [OSTI]

    Ury, M.; Sowers, F.; Harper, C.; Love, W.

    1998-11-24T23:59:59.000Z

    A microwave powered electrodeless lamp includes an improved screen unit having mesh and solid sections with an internal reflector secured at the juncture of the two sections to reflect light into a light-transmitting chamber defined in the lamp microwave cavity by the reflector and the mesh section. A discharge envelope of a bulb is disposed in the light-transmitting chamber. Light emitted from the envelope is prevented by the reflector from entering the cavity portion bounded by the solid section of the screen. The reflector is mounted in the cavity by tabs formed in the screen unit and bendable into the cavity to define support planes abutting respective surfaces of the reflector. The mesh section and tabs are preferably formed by etching a thin metal sheet. 7 figs.

  4. Method and apparatus for mounting a dichroic mirror in a microwave powered lamp assembly using deformable tabs

    DOE Patents [OSTI]

    Ury, Michael (Bethesda, MD); Sowers, Frank (Frederick, MD); Harper, Curt (Wheaton, MD); Love, Wayne (Olney, MD)

    1998-01-01T23:59:59.000Z

    A microwave powered electrodeless lamp includes an improved screen unit having mesh and solid sections with an internal reflector secured at the juncture of the two sections to reflect light into a light-transmitting chamber defined in the lamp microwave cavity by the reflector and the mesh section. A discharge envelope of a bulb is disposed in the light-transmitting chamber. Light emitted from the envelope is prevented by the reflector from entering the cavity portion bounded by the solid section of the screen. The reflector is mounted in the cavity by tabs formed in the screen unit and bendable into the cavity to define support planes abutting respective surfaces of the reflector. The mesh section and tabs are preferably formed by etching a thin metal sheet.

  5. Investigation of gas hydrate-bearing sandstone reservoirs at the "Mount Elbert" stratigraphic test well, Milne Point, Alaska

    SciTech Connect (OSTI)

    Boswell, R.M.; Hunter, R. (ASRC Energy Services, Anchorage, AK); Collett, T. (USGS, Denver, CO); Digert, S. (BP Exploration (Alaska) Inc., Anchorage, AK); Hancock, S. (RPS Energy Canada, Calgary, Alberta, Canada); Weeks, M. (BP Exploration (Alaska) Inc., Anchorage, AK); Mt. Elbert Science Team

    2008-01-01T23:59:59.000Z

    In February 2007, the U.S. Department of Energy, BP Exploration (Alaska), Inc., and the U.S. Geological Survey conducted an extensive data collection effort at the "Mount Elbert #1" gas hydrates stratigraphic test well on the Alaska North Slope (ANS). The 22-day field program acquired significant gas hydrate-bearing reservoir data, including a full suite of open-hole well logs, over 500 feet of continuous core, and open-hole formation pressure response tests. Hole conditions, and therefore log data quality, were excellent due largely to the use of chilled oil-based drilling fluids. The logging program confirmed the existence of approximately 30 m of gashydrate saturated, fine-grained sand reservoir. Gas hydrate saturations were observed to range from 60% to 75% largely as a function of reservoir quality. Continuous wire-line coring operations (the first conducted on the ANS) achieved 85% recovery through 153 meters of section, providing more than 250 subsamples for analysis. The "Mount Elbert" data collection program culminated with open-hole tests of reservoir flow and pressure responses, as well as gas and water sample collection, using Schlumberger's Modular Formation Dynamics Tester (MDT) wireline tool. Four such tests, ranging from six to twelve hours duration, were conducted. This field program demonstrated the ability to safely and efficiently conduct a research-level openhole data acquisition program in shallow, sub-permafrost sediments. The program also demonstrated the soundness of the program's pre-drill gas hydrate characterization methods and increased confidence in gas hydrate resource assessment methodologies for the ANS.

  6. Coal mine ground control. 3rd ed.

    SciTech Connect (OSTI)

    Peng, S.S.

    2008-09-15T23:59:59.000Z

    The third edition not only completely revises and updates the original subject areas, but also is broadened to include a number of new topics such as high horizontal stresses, computer modeling, and highwall stability. The subject areas covered in this book define the current field of coal mine ground control, except for the recently emerging topic of mine seals and some conventional subjects such as coal/rock cutting and impoundment dams. It contains 1,134 references from all published sources, and archived since 1876.

  7. Geometric renormalization below the ground state

    E-Print Network [OSTI]

    Paul Smith

    2011-12-06T23:59:59.000Z

    The caloric gauge was introduced by Tao with studying large data energy critical wave maps mapping from $\\mathbf{R}^{2+1}$ to hyperbolic space $\\mathbf{H}^m$ in view. In \\cite{BIKT} Bejenaru, Ionescu, Kenig, and Tataru adapted the caloric gauge to the setting of Schr\\"odinger maps from $\\mathbf{R}^{d + 1}$ to the standard sphere $S^2 \\hookrightarrow \\mathbf{R}^3$ with initial data small in the critical Sobolev norm. Here we develop the caloric gauge in a bounded geometry setting with a construction valid up to the ground state energy.

  8. Best Possible Strategy for Finding Ground States

    SciTech Connect (OSTI)

    Franz, Astrid; Hoffmann, Karl Heinz; Salamon, Peter

    2001-06-04T23:59:59.000Z

    Finding the ground state of a system with a complex energy landscape is important for many physical problems including protein folding, spin glasses, chemical clusters, and neural networks. Such problems are usually solved by heuristic search methods whose efficacy is judged by empirical performance on selected examples. We present a proof that, within the large class of algorithms that simulate a random walk on the landscape, threshold accepting is the best possible strategy. In particular, it can perform better than simulated annealing and Tsallis statistics. Our proof is the first example of a provably optimal strategy in this area.

  9. Tritium Ground Water Issues | 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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 1112011 Strategic2Uranium Transferon theTedRegion | Department of Energy TribesNorthernGround

  10. Ground-based Microwave Cloud Tomography

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power AdministrationField8,Dist.NewofGeothermal Heaton Armed ServicesGround-Based

  11. Ground Source 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluating AGeothermal/ExplorationGoods | OpenInformationMagnetics Jump to:Ground

  12. Hanford Site ground-water surveillance for 1989

    SciTech Connect (OSTI)

    Evans, J.C.; Bryce, R.W.; Bates, D.J.; Kemner, M.L.

    1990-06-01T23:59:59.000Z

    This annual report of ground-water surveillance activities provides discussions and listings of results for ground-water monitoring at the Hanford Site during 1989. The Pacific Northwest Laboratory (PNL) assesses the impacts of Hanford operations on the environment for the US Department of Energy (DOE). The impact Hanford operations has on ground water is evaluated through the Hanford Site Ground-Water Surveillance program. Five hundred and sixty-seven wells were sampled during 1989 for Hanford ground-water monitoring activities. This report contains a listing of analytical results for calendar year (CY) 1989 for species of importance as potential contaminants. 30 refs., 29 figs,. 4 tabs.

  13. Thermal ground state and nonthermal probes

    E-Print Network [OSTI]

    Thierry Grandou; Ralf Hofmann

    2015-03-18T23:59:59.000Z

    The Euclidean formulation of SU(2) Yang-Mills thermodynamics admits periodic, (anti)selfdual solutions to the fundamental, classical equation of motion which possess one unit of topological charge: (anti)calorons. A spatial coarse graining over the central region in a pair of such localised field configurations with trivial holonomy generates an inert adjoint scalar field $\\phi$, effectively describing the pure quantum part of the thermal ground state in the induced quantum field theory. The latter's local vertices are mediated by just-not-resolved (anti)caloron centers of action $\\hbar$. This is the basic reason for a rapid convergence of the loop expansion of thermodynamical quantities, polarization tensors, etc., their effective loop momenta being severely constrained in entirely fixed and physical unitary-Coulomb gauge. Here we show for the limit of zero holonomy how (anti)calorons associate a temperature independent electric permittivity and magnetic permeability to the thermal ground state of SU(2)$_{\\tiny\\mbox{CMB}}$, the Yang-Mills theory conjectured to underlie photon propagation.

  14. Photovoltaic ground fault and blind spot electrical simulations.

    SciTech Connect (OSTI)

    Flicker, Jack David; Johnson, Jay

    2013-06-01T23:59:59.000Z

    Ground faults in photovoltaic (PV) systems pose a fire and shock hazard. To mitigate these risks, AC-isolated, DC grounded PV systems in the United States use Ground Fault Protection Devices (GFPDs), e.g., fuses, to de-energize the PV system when there is a ground fault. Recently the effectiveness of these protection devices has come under question because multiple fires have started when ground faults went undetected. In order to understand the limitations of fuse-based ground fault protection in PV systems, analytical and numerical simulations of different ground faults were performed. The numerical simulations were conducted with Simulation Program with Integrated Circuit Emphasis (SPICE) using a circuit model of the PV system which included the modules, wiring, switchgear, grounded or ungrounded components, and the inverter. The derivation of the SPICE model and the results of parametric fault current studies are provided with varying array topologies, fuse sizes, and fault impedances. Closed-form analytical approximations for GFPD currents from faults to the grounded current carrying conductor-known as %E2%80%9Cblind spot%E2%80%9D ground faults-are derived to provide greater understanding of the influence of array impedances on fault currents. The behavior of the array during various ground faults is studied for a range of ground fault fuse sizes to determine if reducing the size of the fuse improves ground fault detection sensitivity. The results of the simulations show that reducing the amperage rating of the protective fuse does increase fault current detection sensitivity without increasing the likelihood of nuisance trips to a degree. Unfortunately, this benefit reaches a limit as fuses become smaller and their internal resistance increases to the point of becoming a major element in the fault current circuit.

  15. Wide band stepped frequency ground penetrating radar

    DOE Patents [OSTI]

    Bashforth, M.B.; Gardner, D.; Patrick, D.; Lewallen, T.A.; Nammath, S.R.; Painter, K.D.; Vadnais, K.G.

    1996-03-12T23:59:59.000Z

    A wide band ground penetrating radar system is described embodying a method wherein a series of radio frequency signals is produced by a single radio frequency source and provided to a transmit antenna for transmission to a target and reflection therefrom to a receive antenna. A phase modulator modulates those portions of the radio frequency signals to be transmitted and the reflected modulated signal is combined in a mixer with the original radio frequency signal to produce a resultant signal which is demodulated to produce a series of direct current voltage signals, the envelope of which forms a cosine wave shaped plot which is processed by a Fast Fourier Transform Unit 44 into frequency domain data wherein the position of a preponderant frequency is indicative of distance to the target and magnitude is indicative of the signature of the target. 6 figs.

  16. Wide band stepped frequency ground penetrating radar

    DOE Patents [OSTI]

    Bashforth, Michael B. (Buellton, CA); Gardner, Duane (Santa Maria, CA); Patrick, Douglas (Santa Maria, CA); Lewallen, Tricia A. (Ventura, CA); Nammath, Sharyn R. (Santa Barbara, CA); Painter, Kelly D. (Goleta, CA); Vadnais, Kenneth G. (Alexandria, VA)

    1996-01-01T23:59:59.000Z

    A wide band ground penetrating radar system (10) embodying a method wherein a series of radio frequency signals (60) is produced by a single radio frequency source (16) and provided to a transmit antenna (26) for transmission to a target (54) and reflection therefrom to a receive antenna (28). A phase modulator (18) modulates those portion of the radio frequency signals (62) to be transmitted and the reflected modulated signal (62) is combined in a mixer (34) with the original radio frequency signal (60) to produce a resultant signal (53) which is demodulated to produce a series of direct current voltage signals (66) the envelope of which forms a cosine wave shaped plot (68) which is processed by a Fast Fourier Transform unit 44 into frequency domain data (70) wherein the position of a preponderant frequency is indicative of distance to the target (54) and magnitude is indicative of the signature of the target (54).

  17. Research and development of a 3 MW power plant from the design, development, and demonstration of a 100 KW power system utilizing the direct contact heat exchanger concept for geothermal brine recovery project. Final report

    SciTech Connect (OSTI)

    Huebner, A.W.; Wall, D.A.; Herlacher, T.L.

    1980-09-01T23:59:59.000Z

    The design phase for the 100 KW unit consumed the months of May through November 1978, with the final design selected as having a direct contact boiler and condenser, a single-stage radial inflow induction turbine-generator using isopentane as the working fluid, and a single cell ejector-type cooling tower. The unit was constructed on two, forty-foot flatbed trailers between the months of October 1978 and June 1979. Systems start-up testing, in-field modifications, unit operation, and performance testing were performed between July and December 1979. AP and L (Arkansas Power and Light) personnel assumed responsibility of the unit at that time and conducted further maintenance, operations, and testing through August 1980.

  18. Sun--Grounding Social Sciences in Cognitive Sciences I Introduction

    E-Print Network [OSTI]

    Sun, Ron

    G Sun--Grounding Social Sciences in Cognitive Sciences I Introduction Sun_8928_001_main.indd 1 1/10/2012 6:35:15 PM #12;G Sun--Grounding Social Sciences in Cognitive Sciences Sun_8928_001_main.indd 2 1/10/2012 6:35:15 PM #12;G Sun--Grounding Social Sciences in Cognitive Sciences 1 Prolegomenato

  19. Cleanup Verification Package for the 618-8 Burial Ground

    SciTech Connect (OSTI)

    M. J. Appel

    2006-08-10T23:59:59.000Z

    This cleanup verification package documents completion of remedial action for the 618-8 Burial Ground, also referred to as the Solid Waste Burial Ground No. 8, 318-8, and the Early Solid Waste Burial Ground. During its period of operation, the 618-8 site is speculated to have been used to bury uranium-contaminated waste derived from fuel manufacturing, and construction debris from the remodeling of the 313 Building.

  20. Cleanup Verification Package for the118-F-2 Burial Ground

    SciTech Connect (OSTI)

    J. M. Capron and K. A. Anselm

    2008-02-21T23:59:59.000Z

    This cleanup verification package documents completion of remedial action, sampling activities, and compliance with cleanup criteria for the 118-F-2 Burial Ground. This burial ground, formerly called Solid Waste Burial Ground No. 1, was the original solid waste disposal site for the 100-F Area. Eight trenches contained miscellaneous solid waste from the 105-F Reactor and one trench contained solid waste from the biology facilities.

  1. Cleanup Verification Package for the 618-3 Burial Ground

    SciTech Connect (OSTI)

    M. J. Appel

    2006-09-12T23:59:59.000Z

    This cleanup verification package documents completion of remedial action for the 618-3 Solid Waste Burial Ground, also referred to as Burial Ground Number 3 and the Dry Waste Burial Ground Number 3. During its period of operation, the 618-3 site was used to dispose of uranium-contaminated construction debris from the 311 Building and construction/demolition debris from remodeling of the 313, 303-J and 303-K Buildings.

  2. Montana Ground Water Pollution Control System Permit Application...

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library Web Site: Montana Ground Water Pollution Control System Permit Application Forms Webpage Abstract Provides a list of permit...

  3. EPA - Ground Water Discharges (EPA's Underground Injection Control...

    Open Energy Info (EERE)

    Discharges (EPA's Underground Injection Control Program) webpage Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: EPA - Ground Water Discharges (EPA's...

  4. Renewable Energy Opportunities at Yuma Proving Ground, Arizona

    SciTech Connect (OSTI)

    Orrell, Alice C.; Kora, Angela R.; Russo, Bryan J.; Williamson, Jennifer L.; Weimar, Mark R.; Gorrissen, Willy J.; Dixon, Douglas R.

    2010-06-30T23:59:59.000Z

    This document provides an overview of renewable resource potential at Yuma Proving Ground, based primarily upon analysis of secondary data sources supplemented with limited on-site evaluations.

  5. Cleanup Verification Package for the 118-F-1 Burial Ground

    SciTech Connect (OSTI)

    E. J. Farris and H. M. Sulloway

    2008-01-10T23:59:59.000Z

    This cleanup verification package documents completion of remedial action for the 118-F-1 Burial Ground on the Hanford Site. This burial ground is a combination of two locations formerly called Minor Construction Burial Ground No. 2 and Solid Waste Burial Ground No. 2. This waste site received radioactive equipment and other miscellaneous waste from 105-F Reactor operations, including dummy elements and irradiated process tubing; gun barrel tips, steel sleeves, and metal chips removed from the reactor; filter boxes containing reactor graphite chips; and miscellaneous construction solid waste.

  6. Ground Electromagnetic Survey At Kilauea East Rift Geothermal...

    Open Energy Info (EERE)

    horizontally on the ground. Interpretation of the data was made using an inversion computer program and the primary magnetic field was estimated directly from the data rather...

  7. alkaline ground waters: Topics by E-print Network

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

    hydraulic Rhode Island, University of 28 Factors influencing biological treatment of MTBE contaminated ground water University of California eScholarship Repository Summary:...

  8. Ground Gravity Survey At Blue Mountain Geothermal Area (Fairbank...

    Open Energy Info (EERE)

    Fairbank Engineering Ltd, 2003) Exploration Activity Details Location Blue Mountain Geothermal Area Exploration Technique Ground Gravity Survey Activity Date Usefulness not...

  9. artificial ground freezing: Topics by E-print Network

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

    Moorman, Brian 6 Ground state lost but degeneracy found: the effective thermodynamics of artificial spin ice Condensed Matter (arXiv) Summary: We analyze the rotational...

  10. Ground Gravity Survey At San Francisco Volcanic Field Area (Warpinski...

    Open Energy Info (EERE)

    Exploration Technique Ground Gravity Survey Activity Date Usefulness not indicated DOE-funding Unknown Notes Northern Arizona University has re-assessed the existing exploration...

  11. Ground Magnetics At San Francisco Volcanic Field Area (Warpinski...

    Open Energy Info (EERE)

    Area Exploration Technique Ground Magnetics Activity Date Usefulness not indicated DOE-funding Unknown Notes Northern Arizona University has re-assessed the existing exploration...

  12. Ground Gravity Survey At Neal Hot Springs Geothermal Area (Colwell...

    Open Energy Info (EERE)

    Technique Ground Gravity Survey Activity Date 2011 - 2011 Usefulness not indicated DOE-funding Unknown Exploration Basis Gravity surveys were conducted to gain a better...

  13. Ground Magnetics At Neal Hot Springs Geothermal Area (Colwell...

    Open Energy Info (EERE)

    Technique Ground Magnetics Activity Date 2011 - 2011 Usefulness not indicated DOE-funding Unknown Exploration Basis Magnetic surveys were conducted to gain a better...

  14. Monitoring SERC Technologies —Geothermal/Ground Source Heat Pumps

    Broader source: Energy.gov [DOE]

    A webinar by National Renewable Energy Laboratory Project Leader Dave Peterson about Geothermal/Ground Source Heat Pumps and how to properly monitor its installation.

  15. Optimal Ground-Source Heat Pump System Design

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

    Ground-Source Heat Pump System Design May 19, 2010 Geothermal Technologies Program 2010 Peer Review ENVIRON International PI : Metin Ozbek Track : GSHP Demonstration Projects This...

  16. Ground Gravity Survey At Long Valley Caldera Geothermal Area...

    Open Energy Info (EERE)

    Battaglia, Et Al., 2003) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Ground Gravity Survey At Long Valley Caldera Geothermal Area (Battaglia,...

  17. african ground water: Topics by E-print Network

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

    has Rossi, Vivien 10 Integrated Water Management Options in the Nebraska Ground Water Management & Environmental Sciences and Ecology Websites Summary: Integrated Water...

  18. The ground state construction of bilayer graphene

    E-Print Network [OSTI]

    Alessandro Giuliani; Ian Jauslin

    2015-07-22T23:59:59.000Z

    We consider a model of half-filled bilayer graphene, in which the three dominant Slonczewski-Weiss-McClure hopping parameters are retained, in the presence of short range interactions. Under a smallness assumption on the interaction strength $U$ as well as on the inter-layer hopping $\\epsilon$, we construct the ground state in the thermodynamic limit, and prove its analyticity in $U$, uniformly in $\\epsilon$. The interacting Fermi surface is degenerate, and consists of eight Fermi points, two of which are protected by symmetries, while the locations of the other six are renormalized by the interaction, and the effective dispersion relation at the Fermi points is conical. The construction reveals the presence of different energy regimes, where the effective behavior of correlation functions changes qualitatively. The analysis of the crossover between regimes plays an important role in the proof of analyticity and in the uniform control of the radius of convergence. The proof is based on a rigorous implementation of fermionic renormalization group methods, including determinant estimates for the renormalized expansion.

  19. Ground-based measurements of soil water storage in Texas

    E-Print Network [OSTI]

    Yang, Zong-Liang

    Ground-based measurements of soil water storage in Texas Todd Caldwell Bridget Scanlon Di Long Michael Young Texas drought and beyond 22-23 October 2012 #12;Ground-based soil moisture Why do we need-limited TRANSPIRATION Water-limited Carbon storage ECOHYDROLOGY Stress, mortality, fire Oxygen limitations MICROBIAL

  20. British Columbia's Exploring perspectives and seeking common ground

    E-Print Network [OSTI]

    Pedersen, Tom

    and seeking common ground Matt Horne · Ekaterina Petropavlova P.J. Partington June 2012 Energy and Materials economics, energy efficiency and conservation, renewable energy, and environmental governance. For moreBritish Columbia's Carbon Tax Exploring perspectives and seeking common ground Matt Horne

  1. Observations: Changes in Snow, Ice and Frozen Ground

    E-Print Network [OSTI]

    Jellinek, Mark

    ................................................ 352 4.4.4 Pack Ice Motion................................................... 355 4.5 Changes4 Observations: Changes in Snow, Ice and Frozen Ground Coordinating Lead Authors: Peter Lemke. Kaser, P. Mote, R.H. Thomas and T. Zhang, 2007: Observations: Changes in Snow, Ice and Frozen Ground. In

  2. DC WRRC Report No. 126 GROUND WATER RESOURCE ASSESSMENT STUDY

    E-Print Network [OSTI]

    District of Columbia, University of the

    DRILLING AND FIELD OPERATIONS REPORT FOR THE GROUP A WELLS D.C. WATER RESOURCES RESEARCH CENTER University No. 126 GROUND WATER RESOURCE ASSESSMENT STUDY FOR THE DISTRICT OF COLUMBIA WELL DRILLING AND FIELDDC WRRC Report No. 126 GROUND WATER RESOURCE ASSESSMENT STUDY FOR THE DISTRICT OF COLUMBIA WELL

  3. Fire hazards analysis for solid waste burial grounds

    SciTech Connect (OSTI)

    McDonald, K.M.

    1995-09-28T23:59:59.000Z

    This document comprises the fire hazards analysis for the solid waste burial grounds, including TRU trenches, low-level burial grounds, radioactive mixed waste trenches, etc. It analyzes fire potential, and fire damage potential for these facilities. Fire scenarios may be utilized in future safety analysis work, or for increasing the understanding of where hazards may exist in the present operation.

  4. Ground-Coupled Heat Pump Applications and Case Studies

    E-Print Network [OSTI]

    Braud, H. J.

    1989-01-01T23:59:59.000Z

    in all seasons. A loop sizing procedure for mul- tiple units on a common ground loop was given by Braud (1). See also Bose et al. (2) and Partin (3). APPLICATIONS OF GROUND-COUPLED HEAT PUMPS COLD SUPPLY +-fi- ;-"" WATER TANK A recent development...

  5. CoastWatch/OceanWatch Proving Ground: VIIRS Ocean Color

    E-Print Network [OSTI]

    ;VIIRS Operational Ocean Color User: NWS/EMC · Phytoplankton alter the penetration of solar radiationCoastWatch/OceanWatch Proving Ground: VIIRS Ocean Color User Engagement, Quality Assessment Science Seminar #12;Outline Overview of VIIRS Ocean Color Proving Ground (Hughes) VIIRS Ocean Color

  6. Train-the-Trainer As ground source heat

    E-Print Network [OSTI]

    Train-the-Trainer As ground source heat pumps capture more of the HVAC market, the need will also receive a copy of the Closed-Loop/ Ground- Source Heat Pump Systems Installation Guide · Soils and Rock Identification · Pump and Fluid Selection Registration information You must be an IGSHPA

  7. Ground-Source Heat Pumps in Cold Climates

    E-Print Network [OSTI]

    Wagner, Diane

    Ground-Source Heat Pumps in Cold Climates The Current State of the Alaska Industry, a Review-Source Heat Pumps in Cold Climates The Current State of the Alaska Industry, a Review of the Literature and contributions from individuals and organizations involved in ground-source heat pump installation around Alaska

  8. Marketing Ground Source Heat Pump Advanced Applications that

    E-Print Network [OSTI]

    Marketing Ground Source Heat Pump Advanced Applications that Deliver Competitive Advantage Al is the fastest growing market with the available capital and need for the benefits of ground source heat pumps Heating ... and Cooling n Comfort & Indoor Air Quality n Homes have domestic hot water - DHW n Less

  9. SIMULATION AND OPTIMAL CONTROL OF HYBRID GROUND SOURCE HEAT

    E-Print Network [OSTI]

    SIMULATION AND OPTIMAL CONTROL OF HYBRID GROUND SOURCE HEAT PUMP SYSTEMS By XIAOWEI XU Bachelor #12;ii SIMULATION AND OPTIMAL CONTROL OF HYBRID GROUND SOURCE HEAT PUMP SYSTEMS Dissertation Approved as co- advisor of this research project. His many years of building system simulation experience

  10. Integrated Water Management Options in the Nebraska Ground Water Management &

    E-Print Network [OSTI]

    Nebraska-Lincoln, University of

    ag chemical best management practices 7. soil testing 8. voluntary or mandatory educational programs regulate ground water development (well spacing regulations, well drilling prohibitions) and ground water by implementing the above GMA regulations, well drilling may be halted or conditioned. NRD permits are required

  11. Manipulator mounted transfer platform

    DOE Patents [OSTI]

    Dobbins, James C. (Idaho Falls, ID); Hoover, Mark A. (Idaho Falls, ID); May, Kay W. (Idaho Falls, ID); Ross, Maurice J. (Pocatello, ID)

    1990-01-01T23:59:59.000Z

    A transfer platform for the conveyance of objects by a manipulator includes a bed frame and saddle clamp secured along an edge of the bed frame and adapted so as to secure the bed frame to a horizontal crosspiece of the manipulator. The platform may thus move with the manipulator in a reciprocal linear path defined by a guide rail. A bed insert may be provided for the support of conveyed objects and a lifting bail may be provided to permit the manipulator arm to install the bed frame upon the crosspiece under remote control.

  12. Ceramic combustor mounting

    DOE Patents [OSTI]

    Hoffman, Melvin G. (Speedway, IN); Janneck, Frank W. (Danville, IN)

    1982-01-01T23:59:59.000Z

    A combustor for a gas turbine engine includes a metal engine block including a wall portion defining a housing for a combustor having ceramic liner components. A ceramic outlet duct is supported by a compliant seal on the metal block and a reaction chamber liner is stacked thereon and partly closed at one end by a ceramic bypass swirl plate which is spring loaded by a plurality of circumferentially spaced, spring loaded guide rods and wherein each of the guide rods has one end thereof directed exteriorly of a metal cover plate on the engine block to react against externally located biasing springs cooled by ambient air and wherein the rod spring support arrangement maintains the stacked ceramic components together so that a normal force is maintained on the seal between the outlet duct and the engine block under all operating conditions. The support arrangement also is operative to accommodate a substantial difference in thermal expansion between the ceramic liner components of the combustor and the metal material of the engine block.

  13. Inboard seal mounting

    DOE Patents [OSTI]

    Hayes, John R. (Indianapolis, IN)

    1983-01-01T23:59:59.000Z

    A regenerator assembly for a gas turbine engine has a hot side seal assembly formed in part by a cast metal engine block having a seal recess formed therein that is configured to supportingly receive ceramic support blocks including an inboard face thereon having a regenerator seal face bonded thereto. A pressurized leaf seal is interposed between the ceramic support block and the cast metal engine block to bias the seal wear face into sealing engagement with a hot side surface of a rotary regenerator matrix.

  14. Ground-source Heat Pumps Applied to Commercial Buildings

    SciTech Connect (OSTI)

    Parker, Steven A.; Hadley, Donald L.

    2009-07-14T23:59:59.000Z

    Ground-source heat pumps can provide an energy-efficient, cost-effective way to heat and cool commercial facilities. While ground-source heat pumps are well established in the residential sector, their application in larger, commercial-style, facilities is lagging, in part because of a lack of experience with the technology by those in decision-making positions. Through the use of a ground-coupling system, a conventional water-source heat pump design is transformed to a unique means of utilizing thermodynamic properties of earth and groundwater for efficient operation throughout the year in most climates. In essence, the ground (or groundwater) serves as a heat source during winter operation and a heat sink for summer cooling. Many varieties in design are available, so the technology can be adapted to almost any site. Ground-source heat pump systems can be used widely in commercial-building applications and, with proper installation, offer great potential for the commercial sector, where increased efficiency and reduced heating and cooling costs are important. Ground-source heat pump systems require less refrigerant than conventional air-source heat pumps or air-conditioning systems, with the exception of direct-expansion-type ground-source heat pump systems. This chapter provides information and procedures that an energy manager can use to evaluate most ground-source heat pump applications. Ground-source heat pump operation, system types, design variations, energy savings, and other benefits are explained. Guidelines are provided for appropriate application and installation. Two case studies are presented to give the reader a sense of the actual costs and energy savings. A list of manufacturers and references for further reading are included for prospective users who have specific or highly technical questions not fully addressed in this chapter. Sample case spreadsheets are provided in Appendix A. Additional appendixes provide other information on the ground-source heat pump technology.

  15. Geology and mineral resources of the Florence, Beaufort, Rocky Mount, and Norfolk 1/sup 0/ x 2/sup 0/ NTMS quadrangles. National Uranium Resource Evaluation program

    SciTech Connect (OSTI)

    Harris, W.B.

    1982-08-01T23:59:59.000Z

    This document provides geologic and mineral resources data for previously-issued Savannah River Laboratory hydrogeochemical and stream sediment reports of the Beaufort, Florence, Norfolk, and Rocky Mount 1/sup 0/ x 2/sup 0/ National Topographic Map Series quadrangles in the southeastern United States. This report is issued in draft form, without detailed technical and copy editing. This was done to make the report available to the public before the end of the National Uranium Resource Evaluation program.

  16. A 3-10 GHZLCR-matched Power Amplifier using Flip-Chip Mounted AlGaN/GaN HEMTs

    E-Print Network [OSTI]

    York, Robert A.

    WE4A-5 A 3-10 GHZLCR-matched Power Amplifier using Flip-Chip Mounted AlGaN/GaN HEMTs Jane J a GaN-based broadband power amplifier using AlGaN/GaN-HEMTs, grown on sapphire substrates amplifier using GaN- HEMTs-on-Sapphire. I INTRODUCTION GaN HEMTs have enormous potential for realizing high

  17. Ground-water contribution to dose from past Hanford Operations

    SciTech Connect (OSTI)

    Freshley, M.D.; Thorne, P.D.

    1992-08-01T23:59:59.000Z

    The Hanford Environmental Dose Reconstruction (HEDR) Project is being conducted to estimate radiation doses that populations and individuals could have received from Hanford Site operations from 1944 to the present. Four possible pathways by which radionuclides migrating in ground water on the Hanford Site could have reached the public have been identified: (1) through contaminated ground water migrating to the Columbia River; (2) through wells on or adjacent to the Hanford Site; (3) through wells next to the Columbia River downstream of Hanford that draw some or all of their water from the river (riparian wells); and (4) through atmospheric deposition resulting in contamination of a small watershed that, in turn, results in contamination of a shallow well or spring by transport in the ground water. These four pathways make up the ground-water pathway,'' which is the subject of this study. Assessment of the ground-water pathway was performed by (1) reviewing the existing extensive literature on ground water and ground-water monitoring at Hanford and (2) performing calculations to estimate radionuclide concentrations where no monitoring data were collected. Radiation doses that would result from exposure to these radionuclides were calculated.

  18. Hanford Site ground-water monitoring for 1994

    SciTech Connect (OSTI)

    Dresel, P.E.; Thorne, P.D.; Luttrell, S.P. [and others

    1995-08-01T23:59:59.000Z

    This report presents the results of the Ground-Water Surveillance Project monitoring for calendar year 1994 on the Hanford Site, Washington. Hanford Site operations from 1943 onward produced large quantities of radiologic and chemical waste that have impacted ground-water quality on the Site. Monitoring of water levels and ground-water chemistry is performed to track the extent of contamination and trends in contaminant concentrations. The 1994 monitoring was also designed to identify emerging ground-water quality problems. The information obtained is used to verify compliance with applicable environmental regulations and to evaluate remedial actions. Data from other monitoring and characterization programs were incorporated to provide an integrated assessment of Site ground-water quality. Additional characterization of the Site`s geologic setting and hydrology was performed to support the interpretation of contaminant distributions. Numerical modeling of sitewide ground-water flow also supported the overall project goals. Water-level monitoring was performed to evaluate ground-water flow directions, to track changes in water levels, and to relate such changes to changes in site disposal practices. Water levels over most of the Hanford Site continued to decline between June 1993 and June 1994. These declines are part of the continued response to the cessation of discharge to U Pond and other disposal facilities. The low permeability in this area which enhanced mounding of waste-water discharge has also slowed the response to the reduction of disposal.

  19. Regional long-term production modeling from a single well test, Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope

    SciTech Connect (OSTI)

    Anderson, Brian; Kurihara, Masanori; White, Mark D.; Moridis, George J.; Wilson, Scott J.; Pooladi-Darvish, Mehran; Gaddipati, Manohar; Masuda, Yoshihiro; Collett, T. S.; Hunter, Robert B.; Narita, Hideo; Rose, Kelly K.; Boswell, Ray

    2011-02-02T23:59:59.000Z

    Following the results from the open-hole formation pressure response test in the BPXA-DOE-USGS Mount Elbert Gas Hydrate Stratigraphic Test Well (Mount Elbert well) using Schlumberger’s Modular Dynamics Formation Tester (MDT) wireline tool, the International Methane Hydrate Reservoir Simulator Code Comparison project performed long-term reservoir simulations on three different model reservoirs. These descriptions were based on 1) the Mount Elbert gas hydrate accumulation as delineated by an extensive history-matching exercise, 2) an estimation of the hydrate accumulation near the Prudhoe Bay L-pad, and 3) a reservoir that would be down-dip of the Prudhoe Bay L-pad and therefore warmer and deeper. All of these simulations were based, in part, on the results of the MDT results from the Mount Elbert Well. The comparison group’s consensus value for the initial perme- ability of the hydrate-filled reservoir (k = 0.12 mD) and the permeability model based on the MDT history match were used as the basis for subsequent simulations on the three regional scenarios. The simulation results of the five different simulation codes, CMG STARS, HydrateResSim, MH-21 HYDRES, STOMP-HYD, and TOUGHþHYDRATE exhibit good qualitative agreement and the variability of potential methane production rates from gas hydrate reservoirs is illustrated. As expected, the pre- dicted methane production rate increased with increasing in situ reservoir temperature; however, a significant delay in the onset of rapid hydrate dissociation is observed for a cold, homogeneous reservoir and it is found to be repeatable. The inclusion of reservoir heterogeneity in the description of this cold reservoir is shown to eliminate this delayed production. Overall, simulations utilized detailed information collected across the Mount Elbert reservoir either obtained or determined from geophysical well logs, including thickness (37 ft), porosity (35%), hydrate saturation (65%), intrinsic permeability (1000 mD), pore water salinity (5 ppt), and formation temperature (3.3–3.9 ?C). This paper presents the approach and results of extrapolating regional forward production modeling from history-matching efforts on the results from a single well test.

  20. GROUND-WATER CONTRIBUTION TO DOSE FROM PAST HANFORD OPERATIONS

    SciTech Connect (OSTI)

    Freshley, M. D.; Thorne, P. D.

    1992-01-01T23:59:59.000Z

    The Hanford Environmental Dose Reconstruction (HEOR) Project is being conducted to estimate radiation doses that populations and individuals could have received from Hanford Site operations from 1944 to the present. Four possible pathways by which radionuclides originating in ground water on the Hanford Site could have reached the public have been identified: 1) through contaminated ground water migrating to the Columbia River; 2) through wells on or adjacent to the Hanford Site; 3) through wells that draw some or all of their water from the Columbia River (riparian wells); and 4) through atmospheric deposition resulting in the contamination of a small watershed that, in turn, results in contamination of a shallow well or spring. These four pathways make up the "ground-water pathway ," which is the subject of this study. The objective of the study was to assess the extent to which the groundwater pathway contributed to radiation doses that populations or individuals may have received from past operations at Hanford. The assessment presented in this report was performed by 1) reviewing the extensive ?literature on ground water and ground-water monitoring at Hanford and 2) performing simple calculations to estimate radionuclide concentrations in ground water and the Columbia River resulting from ground-water discharge. Radiation doses that would result from exposure to this ground water and surface water were calculated. The study conclusion is that the ground-water pathways did not contribute significantly to dose. Compared with background radiation in the TriCities {300 mrem/yr), estimated doses are small: 0.02 mrem/yr effective dose equivalent from discharge of contaminated ground water to the Columbia River; 1 mrem/yr effective dose equivalent from Hanford Site wells; 11 mrem/yr effective dose equivalent from riparian wells; and 1 mrem/yr effective dose equivalent from the watershed. Because the estimated doses are so small, the recommendation is that further work on the ground-water pathway be limited to tracking ongoing ground-water studies at the Hanford Site.

  1. Exergy Analysis and Operational Efficiency of a Horizontal Ground Source Heat Pump System Operated in a Low-Energy Test House under Simulated Occupancy Conditions

    SciTech Connect (OSTI)

    Ally, Moonis Raza [ORNL; Baxter, Van D [ORNL; Munk, Jeffrey D [ORNL; Gehl, Anthony C [ORNL

    2012-01-01T23:59:59.000Z

    This paper presents data, analyses, measures of performance, and conclusions for a ground-source heat pump (GSHP) providing space conditioning to a 345m2 house whose envelope is made of structural insulated panels (SIP). The entire thermal load of this SIP house with RSI-3.7 (RUS-21) walls, triple pane windows with a U-factor of 1.64 W/m2 K (0.29 Btu/h ft2 oF) and solar heat gain coefficient (SHGC) of 0.25, a roof assembly with overall thermal resistance of about RSI-8.8 (RUS-50) and low leakage rates of 0.74 ACH at 50Pa was satisfied with a 2.16-Ton (7.56 kW) GSHP unit consuming negligible (9.83kWh) auxiliary heat during peak winter season. The highest and lowest heating COP achieved was 4.90 (October) and 3.44 (February), respectively. The highest and lowest cooling COP achieved was 6.09 (April) and 3.88 (August). These COPs are calculated on the basis of the total power input (including duct, ground loop, and control power losses ). The second Law (Exergy) analysis provides deep insight into how systemic inefficiencies are distributed among the various GSHP components. Opportunities for design and further performance improvements are identified. Through Exergy analysis we provide a true measure of how closely actual performance approaches the ideal, and it unequivocally identifies, better than energy analysis does, the sources and causes of lost work, the root cause of system inefficiencies.

  2. THE EFFECTS OF GROUND-BASED VERY LOW FREQUENCY TRANSMITTERS ON THE

    E-Print Network [OSTI]

    with the 21.4 kHz, 424 kW transmitter NPM located in Lualualei, Hawaii. Sub-ionospheric VLF remote sensing is used to detect the effects of the transmit- ter NPM. When VLF waves scatter energetic electrons from propagation both below and through the ionosphere. While initial observations recorded during the NPM

  3. The Ground State Energy of a Dilute Bose Gas \\Lambday

    E-Print Network [OSTI]

    #12; 1 Introduction Recent progress in the trapping and cooling of atoms has made the ground state are important, e.g., for the considerations of inhomogeneous systems in [4]. To define E 0 (N; L) precisely one

  4. area burial ground: Topics by E-print Network

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

    of Medicine Campus Yoshida-South Campus (Clock Tower Takada, Shoji 83 AREAS OF GROUND SUBSIDENCE DUE TO GEO-FLUID WITHDRAWAL University of California eScholarship Repository...

  5. area burial grounds: Topics by E-print Network

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

    of Medicine Campus Yoshida-South Campus (Clock Tower Takada, Shoji 83 AREAS OF GROUND SUBSIDENCE DUE TO GEO-FLUID WITHDRAWAL University of California eScholarship Repository...

  6. EPA Final Ground Water Rule Available Online, 3/07

    Broader source: Energy.gov [DOE]

    On November 8, 2006, the U.S. Environmental Protection Agency (EPA) published a final Ground Water Rule (GWR) to promote increased protection against microbial pathogens that may be present in...

  7. Control and waypoint navigation of an autonomous ground vehicle

    E-Print Network [OSTI]

    Massey, James Patrick

    2006-08-16T23:59:59.000Z

    This thesis describes the initial development of the Texas A&M Autonomous Ground Vehicle test platform and waypoint following software, including the associated controller design. The original goal of the team responsible for the development...

  8. Effect of anisotropy in ground movements caused by tunnelling

    E-Print Network [OSTI]

    Zymnis, Despina Maria

    This paper presents closed-form analytical solutions for estimating far-field ground deformations caused by shallow tunnelling in a linear elastic soil mass with cross-anisotropic stiffness properties. The solutions describe ...

  9. Ground Versus Unground Grain for Lactating Dairy Cows.

    E-Print Network [OSTI]

    Darnell, A. L. (Albert Laurie); Copeland, O. C. (Orlin Cephas)

    1936-01-01T23:59:59.000Z

    . Table 10. Effects of Feeding Ground versus Whole Grain on High versus Low Producing Cows. Productive Values of Whole Grains Experiment Numbers Corn Experiment No. 1.. .... .... Corn Experiment No. 2.. ..... Oat Experiment No. 1.. Oat Experiment hTo...

  10. Effect of existing building on tunneling-induced ground movements

    E-Print Network [OSTI]

    Law, Rachel Hoi-chee

    2012-01-01T23:59:59.000Z

    The goal of this thesis is to assess the influence of an existing structure on tunneling-induced ground movements. This is accomplished through 2D numerical simulations that are compared with similar prior studies reported ...

  11. Combined permeable pavement and ground source heat pump systems 

    E-Print Network [OSTI]

    Grabowiecki, Piotr

    2010-01-01T23:59:59.000Z

    The PhD thesis focuses on the performance assessment of permeable pavement systems incorporating ground source heat pumps (GSHP). The relatively high variability of temperature in these systems allows for the survival of pathogenic organisms within...

  12. Optimal Design for a Hybrid Ground-Source Heat Pump

    E-Print Network [OSTI]

    Yu, Z.; Yuan, X.; Wang, B.

    2006-01-01T23:59:59.000Z

    Although the advantages of ground-source heat pumps over their conventional alternatives make these systems a very attractive choice for air conditioning, not only for residential buildings but increasingly also for institutional and commercial...

  13. Improvable upper bounds to the piezoelectric polaron ground state energy

    E-Print Network [OSTI]

    A. V. Soldatov

    2014-12-31T23:59:59.000Z

    It was shown that an infinite sequence of improving non-increasing upper bounds to the ground state energy (GSE) of a slow-moving piezoeletric polaron can be devised.

  14. ammotheidae arthropod ground: Topics by E-print Network

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

    3 Cheli et al. The ground-dwelling arthropod community of Pennsula Valds in Patagonia, Argentina CiteSeer Summary: This is the first study based on a planned and...

  15. arthropod ground pattern: Topics by E-print Network

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

    4 Cheli et al. The ground-dwelling arthropod community of Pennsula Valds in Patagonia, Argentina CiteSeer Summary: This is the first study based on a planned and...

  16. Control and waypoint navigation of an autonomous ground vehicle 

    E-Print Network [OSTI]

    Massey, James Patrick

    2006-08-16T23:59:59.000Z

    This thesis describes the initial development of the Texas A&M Autonomous Ground Vehicle test platform and waypoint following software, including the associated controller design. The original goal of the team responsible for the development...

  17. Acoustic and Seismic Modalities for Unattended Ground Sensors

    SciTech Connect (OSTI)

    Elbring, G.J.; Ladd, M.D.; McDonald, T.S.; Sleefe, G.E.

    1999-03-31T23:59:59.000Z

    In this paper, we have presented the relative advantages and complementary aspects of acoustic and seismic ground sensors. A detailed description of both acoustic and seismic ground sensing methods has been provided. Acoustic and seismic phenomenology including source mechanisms, propagation paths, attenuation, and sensing have been discussed in detail. The effects of seismo-acoustic and acousto-seismic interactions as well as recommendations for minimizing seismic/acoustic cross talk have been highlighted. We have shown representative acoustic and seismic ground sensor data to illustrate the advantages and complementary aspects of the two modalities. The data illustrate that seismic transducers often respond to acoustic excitation through acousto-seismic coupling. Based on these results, we discussed the implications of this phenomenology on the detection, identification, and localization objectives of unattended ground sensors. We have concluded with a methodology for selecting the preferred modality (acoustic and/or seismic) for a particular application.

  18. Design for manufacturing analysis on the Small Unmanned Ground Vehicle

    E-Print Network [OSTI]

    Yu, Ada (Ada Cheuk Ying)

    2008-01-01T23:59:59.000Z

    iRobot is responsible for delivering the Small Unmanned Ground Vehicle (SUGV) as part of the U.S. Army's Future Combat Systems (FCS) initiative. With increasing external competition and pressures, iRobot must deliver an ...

  19. A spatial display for Ground-Penetrating Radar change detection

    E-Print Network [OSTI]

    Quimby, Paul W

    2013-01-01T23:59:59.000Z

    Ground-Penetrating Radar (GPR) enables the exploration and mapping of subterranean volumes for applications such as construction, humanitarian demining, archeology, and environmental science. In each of these applications, ...

  20. Ground state energy fluctuations in the Nuclear Shell Model

    E-Print Network [OSTI]

    Victor Velazquez; Jorge G. Hirsch; Alejandro Frank; Jose Barea; Andres P. Zuker

    2005-03-29T23:59:59.000Z

    Statistical fluctuations of the nuclear ground state energies are estimated using shell model calculations in which particles in the valence shells interact through well defined forces, and are coupled to an upper shell governed by random 2-body interactions. Induced ground-state energy fluctuations are found to be one order of magnitude smaller than those previously associated with chaotic components, in close agreement with independent perturbative estimates based on the spreading widths of excited states.

  1. Renewable Energy Opportunties at Dugway Proving Ground, Utah

    SciTech Connect (OSTI)

    Orrell, Alice C.; Kora, Angela R.; Russo, Bryan J.; Horner, Jacob A.; Williamson, Jennifer L.; Weimar, Mark R.; Gorrissen, Willy J.; Nesse, Ronald J.; Dixon, Douglas R.

    2010-05-31T23:59:59.000Z

    This document provides an overview of renewable resource potential at Dugway Proving Ground, based primarily upon analysis of secondary data sources supplemented with limited on-site evaluations. This effort focuses on grid-connected generation of electricity from renewable energy sources and ground source heat pumps (GSHPs). The effort was funded by the U.S. Army Installation Management Command (IMCOM) as follow-on to the 2005 Department of Defense (DoD) Renewables Assessment.

  2. Ground state hyperfine structure in muonic lithium ions

    E-Print Network [OSTI]

    A. P. Martynenko; A. A. Ulybin

    2015-04-09T23:59:59.000Z

    On the basis of perturbation theory in fine structure constant alpha and the ratio of electron to muon masses we calculate one-loop vacuum polarization, electron vertex corrections, nuclear structure and recoil corrections to hyperfine splitting of the ground state in muonic lithium ions $(\\mu\\ e\\ ^6_3Li)^+$ and $(\\mu\\ e\\ ^7_3Li)^+$. We obtain total results for the ground state small hyperfine splittings in $(\\mu\\ e\\ ^6_3Li)^+$ $\\Delta\

  3. Nonlinear behavior of reinforced concrete structures subjected to ground motion

    E-Print Network [OSTI]

    Abraham, Moises Alberto

    1991-01-01T23:59:59.000Z

    NONLINEAR BEHAVIOR OF REINFORCED CONCRETE STRUCTURES SUBJECTED TO GROUND MOTION A Thesis by MOISES ALBERTO ABRAHAM Submitted to the Office of Graduate Studies of Texas A 5 M U ni vers i ty in partial fulfillment of the requirement I...' or the degree of MASTER OF SCIENCE May 1991 Major Subject: Civil Engineering NONLINEAR BEHAVIOR OF REINFORCED CONCRETE STRUCTURES SUBJECTED TO GROUND MOTION A Thesis by MOISES ALBERTO ABRAHAM Approved as to style and content by: James . organ (Chair...

  4. Ground state hyperfine structure in muonic lithium ions

    E-Print Network [OSTI]

    A. P. Martynenko; A. A. Ulybin

    2014-11-21T23:59:59.000Z

    On the basis of perturbation theory in fine structure constant alpha and the ratio of electron to muon masses we calculate one-loop vacuum polarization, electron vertex corrections, nuclear structure and recoil corrections to hyperfine splitting of the ground state in muonic lithium ions $(\\mu\\ e\\ ^6_3Li)^+$ and $(\\mu\\ e\\ ^7_3Li)^+$. We obtain total results for the ground state small hyperfine splittings in $(\\mu\\ e\\ ^6_3Li)^+$ $\\Delta\

  5. On the effects of atmospheric refraction on radar ground patterns

    E-Print Network [OSTI]

    Cobb, Lalovee Glendale

    1963-01-01T23:59:59.000Z

    according to size and location of anomalous echoes. Refractivity profiles for SAT, ACF, and LCH are prepared from radiosonde data for selected cases of anomalous propagation. A profile for CLL is estimated, based on surface weather observations taken... about the time of occurrence of nonstandard ground patterns. Correlations are made between the echo patterns, their refrac- tivity profiles, and the terrain, Anomalous ground-return echoes are related directly to topography, except when caused...

  6. Chiral Ground States in a Frustrated Holographic Superconductor

    E-Print Network [OSTI]

    Nishida, Mitsuhiro

    2015-01-01T23:59:59.000Z

    Frustration is an important phenomenon in condensed matter physics because it can introduce a new order parameter such as chirality. Towards understanding a mechanism of the frustration in strongly correlated systems, we study a holographic superconductor model with three scalar fields and an interband Josephson coupling, which is important for the frustration. We analyze free energy of solutions of the model to determine ground states. We find chiral ground states, which have nonzero chirality.

  7. Chiral Ground States in a Frustrated Holographic Superconductor

    E-Print Network [OSTI]

    Mitsuhiro Nishida

    2015-02-28T23:59:59.000Z

    Frustration is an important phenomenon in condensed matter physics because it can introduce a new order parameter such as chirality. Towards understanding a mechanism of the frustration in strongly correlated systems, we study a holographic superconductor model with three scalar fields and an interband Josephson coupling, which is important for the frustration. We analyze free energy of solutions of the model to determine ground states. We find chiral ground states, which have nonzero chirality.

  8. Improved Torsion Pendulum for Ground Testing of LISA Displacement Sensors

    E-Print Network [OSTI]

    L. Carbone; A. Cavalleri; R. Dolesi; C. D. Hoyle; M. Hueller; S. Vitale; W. J. Weber

    2004-11-09T23:59:59.000Z

    We discuss a new torsion pendulum design for ground testing of prototype LISA (Laser Interferometer Space Antenna) displacement sensors. This new design is directly sensitive to net forces and therefore provides a more representative test of the noisy forces and parasitic stiffnesses acting on the test mass as compared to previous ground-based experiments. We also discuss a specific application to the measurement of thermal gradient effects.

  9. X-ray CT Observations of Methane Hydrate Distribution Changes over Time in a Natural Sediment Core from the BPX-DOE-USGS Mount Elbert Gas Hydrate Stratigraphic Test Well

    E-Print Network [OSTI]

    Kneafsey, T.J.

    2012-01-01T23:59:59.000Z

    and Englezos, P. , 2009. Gas hydrate formation in a variableDOE-USGS Mount Elbert Gas Hydrate Stratigraphic Test WellFormation of natural gas hydrates in marine sediments. 1.

  10. A Review of Ground Coupled Heat Pump Models Used in Whole-Building Computer Simulation Programs 

    E-Print Network [OSTI]

    Do, S. L.; Haberl, J. S.

    2010-01-01T23:59:59.000Z

    Increasingly, building owners are turning to ground source heat pump (GSHP) systems to improve energy efficiency. Ground-coupled heat pump (GCHP) systems with a vertical closed ground loop heat exchanger are one of the more widely used systems. Over...

  11. Personnel Grounding and Safety: Issues and Solutions Related to Servicing Optical Fiber

    E-Print Network [OSTI]

    Personnel Grounding and Safety: Issues and Solutions Related to Servicing Optical Fiber Telecommunication Circuits in Optical Ground Wire (OPGW) Final Project Report Power Systems Engineering Research to Servicing Optical Fiber Telecommunication Circuits in Optical Ground Wire (OPGW) Final Project Report

  12. Application analysis of ground source heat pumps in building space conditioning

    E-Print Network [OSTI]

    Qian, Hua

    2014-01-01T23:59:59.000Z

    for ground-source heat pumps. in ASHRAE Summer Meeting.savings of ground source heat pump systems in Europe: Afor ground-source heat pumps: A literature review,

  13. Utilization of Recently Enhanced Simulation Tools and Empirical Ground Motion Databases to Improve Ground Motion Prediction Capabilities

    E-Print Network [OSTI]

    Khodavirdi, Khatereh

    2013-01-01T23:59:59.000Z

    K. Irikura, H.K. Thio, P.G. Somerville, Y. Fukushima, and Y.Fukushima. “Attenuation relations of strong ground motion incatastrophic damage at the Fukushima nuclear power plant,

  14. A capital cost comparison of commercial ground-source heat pump systems

    SciTech Connect (OSTI)

    Rafferty, K.

    1994-06-01T23:59:59.000Z

    The report provides a capital cost comparison of commercial ground source heat pump systems. The study includes groundwater systems, ground-coupled systems and hybrid systems.

  15. Petra Nova Project Breaks Ground on World's Largest Post-Combustion...

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

    Petra Nova Project Breaks Ground on World's Largest Post-Combustion Carbon Capture Project Petra Nova Project Breaks Ground on World's Largest Post-Combustion Carbon Capture...

  16. SciTech Connect: 2012 Monitoring Research Review: Ground-Based...

    Office of Scientific and Technical Information (OSTI)

    2012 Monitoring Research Review: Ground-Based Nuclear Explosion Monitoring Technologies Citation Details In-Document Search Title: 2012 Monitoring Research Review: Ground-Based...

  17. Energy Efficiency and Conservation Block Grant Program

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

    efficiency improvements, and 3) install a roof-mounted, approximately 165 kW, photovoltaic solar energy system with UPS battery backup on Edison Municipal Complex....

  18. Enhanced Site Characterization of the 618-4 Burial Ground

    SciTech Connect (OSTI)

    Murray, Christopher J.; Last, George V.; Chien, Yi-Ju

    2001-09-25T23:59:59.000Z

    This report describes the results obtained from deployment of the Enhanced Site Characterization System (ESCS) at the Hanford Site's 618-4 Burial Ground. The objective of this deployment was to use advanced geostatistical methods to integrate and interpret geophysical and ground truth data, to map the physical types of waste materials present in unexcavated portions of the burial ground. One issue of particularly interest was the number of drums (containing depleted uranium metal shavings or uranium-oxide powder) remaining in the burial ground and still requiring removal.Fuzzy adaptive resonance theory (ART), a neural network classification method, was used to cluster the study area into 3 classes based on their geophysical signatures. Multivariate statistical analyses and discriminant function analysis (DFA) indicated that the drum area as well as a second area (the SW anomaly) had similar geophysical signatures that were different from the rest of the burial ground. Further analysis of the drum area suggested that as many as 770 drums to 850 drums may remain in that area. Similarities between the geophysical signatures of the drum area and the SW anomaly suggested that excavation of the SW anomaly area also proceed with caution.Deployment of the ESCS technology was successful in integrating multiple geophysical variables and grouping these observations into clusters that are relevant for planning further excavation of the buried ground. However, the success of the technology could not be fully evaluated because reliable ground truth data were not available to enable calibration of the different geophysical signatures against actual waste types.

  19. Enhanced Site Characterization of the 618-4 Burial Ground

    SciTech Connect (OSTI)

    Murray, Christopher J; Last, George V; Chien, Yi-Ju

    2001-09-25T23:59:59.000Z

    This report describes the results obtained from deployment of the Enhanced Site Characterization System (ESCS) at the Hanford Site's 618-4 Burial Ground. The objective of this deployment was to use advanced geostatistical methods to integrate and interpret geophysical and ground truth data, to map the physical types of waste materials present in unexcavated portions of the burial ground. One issue of particularly interest was the number of drums (containing depleted uranium metal shavings or uranium-oxide powder) remaining in the burial ground and still requiring removal.Fuzzy adaptive resonance theory (ART), a neural network classification method, was used to cluster the study area into 3 classes based on their geophysical signatures. Multivariate statistical analyses and discriminant function analysis (DFA) indicated that the drum area as well as a second area (the SW anomaly) had similar geophysical signatures that were different from the rest of the burial ground. Further analysis of the drum area suggested that as many as 770 drums to 850 drums may remain in that area. Similarities between the geophysical signatures of the drum area and the SW anomaly suggested that excavation of the SW anomaly area also proceed with caution. Deployment of the ESCS technology was successful in integrating multiple geophysical variables and grouping these observations into clusters that are relevant for planning further excavation of the buried ground. However, the success of the technology could not be fully evaluated because reliable ground truth data were not available to enable calibration of the different geophysical signatures against actual waste types.

  20. Hanford Site ground-water monitoring for 1993

    SciTech Connect (OSTI)

    Dresel, P.E.; Luttrell, S.P.; Evans, J.C. [and others

    1994-09-01T23:59:59.000Z

    This report presents the results of the Ground-Water Surveillance Project monitoring for calendar year 1993 on the Hanford Site, Washington. Hanford Site operations from 1943 onward produced large quantities of radiological and chemical waste that have impacted ground-water quality on the Site. Monitoring of water levels and ground-water chemistry is performed to track the extent of contamination and trends in contaminant concentrations. The 1993 monitoring was also designed to identify emerging ground-water quality problems. The information obtained is used to verify compliance with applicable environmental regulations and to evaluate remedial actions. Data from other monitoring and characterization programs were incorporated to provide an integrated assessment of Site ground-water quality. Additional characterization of the Site`s geologic setting and hydrology was performed to support the interpretation of contaminant distributions. Numerical modeling of sitewide ground-water flow also supported the overall project goals. Water-level monitoring was performed to evaluate ground-water flow directions, to track changes in water levels, and to relate such changes to changes in site disposal practices. Water levels over most of the Hanford Site continued to decline between June 1992 and June 1993. The greatest declines occurred in the 200-West Area. These declines are part of the continued response to the cessation of discharge to U Pond and other disposal facilities. The low permeability in this area which enhanced mounding of waste-water discharge has also slowed the response to the reduction of disposal. Water levels remained nearly constant in the vicinity of B Pond, as a result of continued disposal to the pond. Water levels measured from wells in the unconfined aquifer north and east of the Columbia River indicate that the primary source of recharge is irrigation practices.

  1. Dark resonances for ground state transfer of molecular quantum gases

    E-Print Network [OSTI]

    Manfred J. Mark; Johann G. Danzl; Elmar Haller; Mattias Gustavsson; Nadia Bouloufa; Olivier Dulieu; Houssam Salami; Tom Bergeman; Helmut Ritsch; Russell Hart; Hanns-Christoph Nägerl

    2008-11-05T23:59:59.000Z

    One possible way to produce ultracold, high-phase-space-density quantum gases of molecules in the rovibronic ground state is given by molecule association from quantum-degenerate atomic gases on a Feshbach resonance and subsequent coherent optical multi-photon transfer into the rovibronic ground state. In ultracold samples of Cs_2 molecules, we observe two-photon dark resonances that connect the intermediate rovibrational level |v=73,J=2> with the rovibrational ground state |v=0,J=0> of the singlet $X^1\\Sigma_g^+$ ground state potential. For precise dark resonance spectroscopy we exploit the fact that it is possible to efficiently populate the level |v=73,J=2> by two-photon transfer from the dissociation threshold with the stimulated Raman adiabatic passage (STIRAP) technique. We find that at least one of the two-photon resonances is sufficiently strong to allow future implementation of coherent STIRAP transfer of a molecular quantum gas to the rovibrational ground state |v=0,J=0>.

  2. Sideband Cooling Micromechanical Motion to the Quantum Ground State

    E-Print Network [OSTI]

    Teufel, J D; Li, Dale; Harlow, J H; Allman, M S; Cicak, K; Sirois, A J; Whittaker, J D; Lehnert, K W; Simmonds, R W

    2011-01-01T23:59:59.000Z

    The advent of laser cooling techniques revolutionized the study of many atomic-scale systems. This has fueled progress towards quantum computers by preparing trapped ions in their motional ground state, and generating new states of matter by achieving Bose-Einstein condensation of atomic vapors. Analogous cooling techniques provide a general and flexible method for preparing macroscopic objects in their motional ground state, bringing the powerful technology of micromechanics into the quantum regime. Cavity opto- or electro-mechanical systems achieve sideband cooling through the strong interaction between light and motion. However, entering the quantum regime, less than a single quantum of motion, has been elusive because sideband cooling has not sufficiently overwhelmed the coupling of mechanical systems to their hot environments. Here, we demonstrate sideband cooling of the motion of a micromechanical oscillator to the quantum ground state. Entering the quantum regime requires a large electromechanical inte...

  3. Ground-State Electromagnetic Moments of Calcium Isotopes

    E-Print Network [OSTI]

    Ruiz, R F Garcia; Blaum, K; Frommgen, N; Hammen, M; Holt, J D; Kowalska, M; Kreim, K; Menendez, J; Neugart, R; Neyens, G; Nortershauser, W; Nowacki, F; Papuga, J; Poves, A; Schwenk, A; Simonis, J; Yordanov, D T

    2015-01-01T23:59:59.000Z

    High-resolution bunched-beam collinear laser spectroscopy was used to measure the optical hyperfine spectra of the $^{43-51}$Ca isotopes. The ground state magnetic moments of $^{49,51}$Ca and quadrupole moments of $^{47,49,51}$Ca were measured for the first time, and the $^{51}$Ca ground state spin $I=3/2$ was determined in a model-independent way. Our results provide a critical test of modern nuclear theories based on shell-model calculations using phenomenological as well as microscopic interactions. The results for the neutron-rich isotopes are in excellent agreement with predictions using interactions derived from chiral effective field theory including three-nucleon forces, while lighter isotopes illustrate the presence of particle-hole excitations of the $^{40}$Ca core in their ground state.

  4. 618-10 Burial Ground USRADS radiological surveys

    SciTech Connect (OSTI)

    Wendling, M.

    1994-05-26T23:59:59.000Z

    This report summarizes and documents the results of the radiological surveys conducted from February 11 through February 17 and March 30, 1993 over the 618-10 Burial Ground, Hanford Site, Richland, Washington. In addition, this report explains the survey methodology using the Ultrasonic Ranging and Data System (USRADS). The 618-10 Burial Ground radiological survey field task consisted of two activities: characterization of the specific background conditions and the radiological survey of the area. The radiological survey of the 618-10 Burial Ground, along with the background study, were conducted by Site Investigative Surveys Environmental Restoration Health Physics Organization of the Westinghouse Hanford Company. The survey methodology was based on utilization of the Ultrasonic Ranging and Data System (USRADS) for automated recording of the gross gamma radiation levels at or near six (6) inches and at three (3) feet from the surface soil.

  5. 618-11 Burial Ground USRADS radiological surveys

    SciTech Connect (OSTI)

    Wendling, M.A.

    1994-05-26T23:59:59.000Z

    This report summarizes and documents the results of the radiological surveys conducted from February 4 through February 10, 1993 over the 618-11 Burial Ground, Hanford Site, Richland, Washington. In addition, this report explains the survey methodology using the Ultrasonic Ranging and Data System (USRADS). The 618-11 Burial Ground radiological survey field task consisted of two activities: characterization of the specific background conditions and the radiological survey of the area. The radiological survey of the 618-11 Burial Ground, along with the background study, were conducted by Site Investigative Surveys Environmental Restoration Health Physics Organization of the Westinghouse Hanford Company. The survey methodology was based on utilization of the Ultrasonic Ranging and Data System (USRADS) for automated recording of the gross gamma radiation levels at or near six (6) inches and at three (3) feet from the surface soil.

  6. Ground-State Electromagnetic Moments of Calcium Isotopes

    E-Print Network [OSTI]

    R. F. Garcia Ruiz; M. L. Bissell; K. Blaum; N. Frommgen; M. Hammen; J. D. Holt; M. Kowalska; K. Kreim; J. Menendez; R. Neugart; G. Neyens; W. Nortershauser; F. Nowacki; J. Papuga; A. Poves; A. Schwenk; J. Simonis; D. T. Yordanov

    2015-04-17T23:59:59.000Z

    High-resolution bunched-beam collinear laser spectroscopy was used to measure the optical hyperfine spectra of the $^{43-51}$Ca isotopes. The ground state magnetic moments of $^{49,51}$Ca and quadrupole moments of $^{47,49,51}$Ca were measured for the first time, and the $^{51}$Ca ground state spin $I=3/2$ was determined in a model-independent way. Our results provide a critical test of modern nuclear theories based on shell-model calculations using phenomenological as well as microscopic interactions. The results for the neutron-rich isotopes are in excellent agreement with predictions using interactions derived from chiral effective field theory including three-nucleon forces, while lighter isotopes illustrate the presence of particle-hole excitations of the $^{40}$Ca core in their ground state.

  7. Ground-level ozone in the 21st century: future trends,

    E-Print Network [OSTI]

    Ground-level ozone in the 21st century: future trends, impacts and policy implications October 2008. Courtesy of Dr Mhairi Coyle, CEH Edinburgh. #12;Ground-level ozone in the 21st century: future trends Limited #12;Ground-level ozone in the 21st century I October 2008 I iiiThe Royal Society Ground

  8. From local to global ground states in Ising spin glasses

    E-Print Network [OSTI]

    Ilia Zintchenko; Matthew B. Hastings; Matthias Troyer

    2015-01-09T23:59:59.000Z

    We consider whether it is possible to find ground states of frustrated spin systems by solving them locally. Using spin glass physics and Imry-Ma arguments in addition to numerical benchmarks we quantify the power of such local solution methods and show that for the average low-dimensional spin glass problem outside the spin- glass phase the exact ground state can be found in polynomial time. In the second part we present a heuristic, general-purpose hierarchical approach which for spin glasses on chimera graphs and lattices in two and three dimensions outperforms, to our knowledge, any other solver currently around, with significantly better scaling performance than simulated annealing.

  9. Functional ground testing - Evaluating the Tomahawk Cruise Missile

    SciTech Connect (OSTI)

    Parise, K.W. (U.S. Navy, Test and Evaluation Dept., Indian Head, MD (United States))

    1992-01-01T23:59:59.000Z

    Flight testing evaluates vehicle performance in a flight environment and, in the case of a weapon system, clearly indicates mission readiness. However, there is a cost-effective alternative method of testing which is capable of indicating weapon system functionality and subsystem success. Functional ground testing of the all-up round Tomahawk Cruise Missile is described. The Tomahawk functional ground test (FGT) cannot make the same conclusive determinations that an operational test launch can. This paper describes the Tomahawk FGT and what makes it unique. It describes the developments and status of this testing methodology, the data acquisition and control, and the engineering challenges encountered. 3 refs.

  10. Effluent treatment options for nuclear thermal propulsion system ground tests

    SciTech Connect (OSTI)

    Shipers, L.R.; Brockmann, J.E.

    1992-10-16T23:59:59.000Z

    A variety of approaches for handling effluent from nuclear thermal propulsion system ground tests in an environmentally acceptable manner are discussed. The functional requirements of effluent treatment are defined and concept options are presented within the framework of these requirements. System concepts differ primarily in the choice of fission-product retention and waste handling concepts. The concept options considered range from closed cycle (venting the exhaust to a closed volume or recirculating the hydrogen in a closed loop) to open cycle (real time processing and venting of the effluent). This paper reviews the strengths and weaknesses of different methods to handle effluent from nuclear thermal propulsion system ground tests.

  11. Handling effluent from nuclear thermal propulsion system ground tests

    SciTech Connect (OSTI)

    Shipers, L.R.; Allen, G.C.

    1992-09-09T23:59:59.000Z

    A variety of approaches for handling effluent from nuclear thermal propulsion system ground tests in an environmentally acceptable manner are discussed. The functional requirements of effluent treatment are defined and concept options are presented within the framework of these requirements. System concepts differ primarily in the choice of fission-product retention and waste handling concepts. The concept options considered range from closed cycle (venting the exhaust to a closed volume or recirculating the hydrogen in a closed loop) to open cycle (real time processing and venting of the effluent). This paper reviews the different methods to handle effluent from nuclear thermal propulsion system ground tests.

  12. Ground-state properties of tubelike flexible polymers

    E-Print Network [OSTI]

    Thomas Vogel; Thomas Neuhaus; Michael Bachmann; Wolfhard Janke

    2010-02-10T23:59:59.000Z

    In this work we investigate structural properties of native states of a simple model for short flexible homopolymers, where the steric influence of monomeric side chains is effectively introduced by a thickness constraint. This geometric constraint is implemented through the concept of the global radius of curvature and affects the conformational topology of ground-state structures. A systematic analysis allows for a thickness-dependent classification of the dominant ground-state topologies. It turns out that helical structures, strands, rings, and coils are natural, intrinsic geometries of such tubelike objects.

  13. Category:Ground Gravity Survey | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand JumpConceptual Model, click here. Category:Conceptual Model Add.pngpage?source HistoryGroundGround

  14. Ground motion modeling of Hayward fault scenario earthquakes II:Simulation of long-period and broadband ground motions

    SciTech Connect (OSTI)

    Aagaard, B T; Graves, R W; Rodgers, A; Brocher, T M; Simpson, R W; Dreger, D; Petersson, N A; Larsen, S C; Ma, S; Jachens, R C

    2009-11-04T23:59:59.000Z

    We simulate long-period (T > 1.0-2.0 s) and broadband (T > 0.1 s) ground motions for 39 scenarios earthquakes (Mw 6.7-7.2) involving the Hayward, Calaveras, and Rodgers Creek faults. For rupture on the Hayward fault we consider the effects of creep on coseismic slip using two different approaches, both of which reduce the ground motions compared with neglecting the influence of creep. Nevertheless, the scenario earthquakes generate strong shaking throughout the San Francisco Bay area with about 50% of the urban area experiencing MMI VII or greater for the magnitude 7.0 scenario events. Long-period simulations of the 2007 Mw 4.18 Oakland and 2007 Mw 4.5 Alum Rock earthquakes show that the USGS Bay Area Velocity Model version 08.3.0 permits simulation of the amplitude and duration of shaking throughout the San Francisco Bay area, with the greatest accuracy in the Santa Clara Valley (San Jose area). The ground motions exhibit a strong sensitivity to the rupture length (or magnitude), hypocenter (or rupture directivity), and slip distribution. The ground motions display a much weaker sensitivity to the rise time and rupture speed. Peak velocities, peak accelerations, and spectral accelerations from the synthetic broadband ground motions are, on average, slightly higher than the Next Generation Attenuation (NGA) ground-motion prediction equations. We attribute at least some of this difference to the relatively narrow width of the Hayward fault ruptures. The simulations suggest that the Spudich and Chiou (2008) directivity corrections to the NGA relations could be improved by including a dependence on the rupture speed and increasing the areal extent of rupture directivity with period. The simulations also indicate that the NGA relations may under-predict amplification in shallow sedimentary basins.

  15. Inventory and Status Report of American Ground Nut

    E-Print Network [OSTI]

    Inventory and Status Report of American Ground Nut (Apios americana Medicus) in Colorado Prepared in the field. Donna Schorrock's assistance with inventory and pollinator observation was a valuable asset. Dr. Craig Freeman of the Kansas Natural Heritage Inventory and University of Kansas Herbarium

  16. A Superposition Strategy for Abductive Reasoning in Ground Equational Logic

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    A Superposition Strategy for Abductive Reasoning in Ground Equational Logic Mnacho Echenim, Nicolas Abduction has been introduced by Peirce [8] as the process of inferring plausible hypotheses from data. There exists an extensive amount of research on abductive reasoning, mainly in propositional logic

  17. Grounded Cognition: Past, Present, and Future Lawrence W. Barsalou

    E-Print Network [OSTI]

    Barsalou, Lawrence W.

    Abstract Thirty years ago, grounded cognition had roots in philosophy, perception, cognitive linguistics continued developing in these areas, and it also took new forms in robot- ics, cognitive ecology, cognitive are amodal data structures processed independently of the brain's modal systems for perception, action

  18. Simplifying Ground Water Transfers in Integrated Management Plans

    E-Print Network [OSTI]

    Nebraska-Lincoln, University of

    -714 need new high-capacity wells in FA basins for e.g. ethanol plants so ethanol plant buys water and/or ground water rights from local irrigators buying water: use on-site former irrigation well for ethanol plant or else pipe water from existing from irrigation well to ethanol plant buying rights: cap

  19. Overcoming Barriers to Ground Source Heat Pumps in California

    E-Print Network [OSTI]

    by consumers, industry and, government and high first costs. Compared to other states, California also has heat pump's constant lowlevel usage of electricity. · Integrate ground source heat pumps formally. It would increase energy efficiency of buildings, dramatically reduce fossil fuel consumption, reduce

  20. PAVEMENT OVERLAY THICKNESS EVALUATION USING GROUND PENTRATING RADAR (GPR)

    E-Print Network [OSTI]

    Shan, Jie

    PAVEMENT OVERLAY THICKNESS EVALUATION USING GROUND PENTRATING RADAR (GPR) Dwayne Harris, M.Sc., PG University, West Lafayette, IN 47907 jshan@ecn.purdue.edu ABSTRACT Accurate knowledge of pavement thickness is important information to have both at a network and project level. This information aids in pavement

  1. GROUND WATER RESOURCE ASSESSMENT STUDY FOR THE DISTRICT OF COLUMBIA

    E-Print Network [OSTI]

    District of Columbia, University of the

    , leaking underground storage tanks, and chemical application to golf courses, gardens and landscapes report presents the findings of the background and field investigations as a comprehensive ground water of the project: Dr. Kobina Atobrah of Geomatrix, Inc., Mr. Michael Arbaugh of the Gascoyne Laboratories Field

  2. Ground Nonmonotonic Modal Logic S5: New Results

    E-Print Network [OSTI]

    Navarro Pérez, Juan

    Ground Nonmonotonic Modal Logic S5: New Results MAURICIO OSORIO GALINDO, JUAN ANTONIO NAVARRO P Gelfond's translation in the context of modal logic S5. We show that for arbitrary logic programs logics between T and S5 are equivalent. Furthermore, we also show that these logics are equivalent

  3. Ground state energy scaling laws during the onset and destruction

    E-Print Network [OSTI]

    @cims.nyu.edu; Courant Institute, New York University, New York, NY 10012, USA 4 otto@iam.uni-bonn.de; Institut fGround state energy scaling laws during the onset and destruction of the intermediate state Abstract The intermediate state of a type-I superconductor is a classical ex- ample of energy

  4. Cleanup Verification Package for the 118-F-6 Burial Ground

    SciTech Connect (OSTI)

    H. M. Sulloway

    2008-10-02T23:59:59.000Z

    This cleanup verification package documents completion of remedial action for the 118-F-6 Burial Ground located in the 100-FR-2 Operable Unit of the 100-F Area on the Hanford Site. The trenches received waste from the 100-F Experimental Animal Farm, including animal manure, animal carcasses, laboratory waste, plastic, cardboard, metal, and concrete debris as well as a railroad tank car.

  5. Answer Set Programming with Constraints using Lazy Grounding

    E-Print Network [OSTI]

    Rossi, Gianfranco

    in the design of knowledge build- ing blocks and methodologies (e.g., [2]). The development of novel international planning competitions) [23]. A problem like Pipeline (from IPC-5), whose first 9 instances can of ASP vitally builds on the use of first-order constructs. This introduces the need of a grounding phase

  6. Ground Performance Measurements of the Glory Aerosol Polarimetry Steven Persha

    E-Print Network [OSTI]

    a Raytheon Space and Airborne Systems b NASA Goddard Institute for Space Studies c NASA Goddard Space Flight . It was developed by Raytheon SAS under the Glory Program Office, GSFC 426, with scientific support from the Goddard to launch in November 2010. This paper focuses on the ground testing of APS at Raytheon. Radiometric

  7. Ground test facility for SEI nuclear rocket engines

    SciTech Connect (OSTI)

    Harmon, C.D.; Ottinger, C.A.; Sanchez, L.C.; Shipers, L.R.

    1992-08-01T23:59:59.000Z

    Nuclear Thermal Propulsion (NTP) has been identified as a critical technology in support of the NASA Space Exploration Initiative (SEI). In order to safely develop a reliable, reusable, long-lived flight engine, facilities are required that will support ground tests to qualify the nuclear rocket engine design. Initial nuclear fuel element testing will need to be performed in a facility that supports a realistic thermal and neutronic environment in which the fuel elements will operate at a fraction of the power of a flight weight reactor/engine. Ground testing of nuclear rocket engines is not new. New restrictions mandated by the National Environmental Protection Act of 1970, however, now require major changes to be made in the manner in which reactor engines are now tested. These new restrictions now preclude the types of nuclear rocket engine tests that were performed in the past from being done today. A major attribute of a safely operating ground test facility is its ability to prevent fission products from being released in appreciable amounts to the environment. Details of the intricacies and complications involved with the design of a fuel element ground test facility are presented in this report with a strong emphasis on safety and economy.

  8. Sensory and chemical characteristics of ground goat meat products

    E-Print Network [OSTI]

    Myers, Cheri Elizabeth

    1999-01-01T23:59:59.000Z

    -thiobarbituric acid-reactive substances (TBARS), and peroxide value (PV). Beef was found to be higher than goat meat only in total and heme iron contents. Ground goat meat and beef were then prepared as plain meat loaves cooked to an internal temperature of ~74°C...

  9. Ground surface temperatures in Canada: Spatial and temporal variability

    E-Print Network [OSTI]

    Long, Bernard

    show that the ground has warmed about 0.7 K in the last 100 years. Spatial variability is significant temperatures in Canada: Spatial and temporal variability, Geophys. Res. Lett., 30(10), 1499, doi:10.1029/2003GL inferred from geothermal data have shown that the study of perturbations to the Earth's energy balance

  10. Invitation to Participate in a Strong Ground Motion

    E-Print Network [OSTI]

    New Hampshire, University of

    ground motion prediction exercise focussed on the Treasure Island National Geotechnical Experimentation for rock at Treasure Island, with major emphasis on quantifying their associated aleatory and epistemic various aspects of soil response at Treasure Island will be examined. Predictors will be asked to furnish

  11. Uranium in US surface, ground, and domestic waters. Volume 2

    SciTech Connect (OSTI)

    Drury, J.S.; Reynolds, S.; Owen, P.T.; Ross, R.H.; Ensminger, J.T.

    1981-04-01T23:59:59.000Z

    The report Uranium in US Surface, Ground, and Domestic Waters comprises four volumes. Volumes 2, 3, and 4 contain data characterizing the location, sampling date, type, use, and uranium conentrations of 89,994 individual samples presented in tabular form. The tabular data in volumes 2, 3, and 4 are summarized in volume 1 in narrative form and with maps and histograms.

  12. GROUND STATES AND DYNAMICS OF MULTICOMPONENT BOSEEINSTEIN CONDENSATES

    E-Print Network [OSTI]

    Bao, Weizhu

    GROUND STATES AND DYNAMICS OF MULTICOMPONENT BOSE­EINSTEIN CONDENSATES WEIZHU BAO MULTISCALE MODEL a multicomponent Bose­Einstein condensate (BEC) at zero or a very low temperature. In preparation for the numerics of multicomponent BEC. Key words. multicomponent, Bose­Einstein condensate, vector Gross­Pitaevskii equations

  13. Seismic shape parameters estimation and ground-roll suppression using

    E-Print Network [OSTI]

    Spagnolini, Umberto

    Seismic shape parameters estimation and ground-roll suppression using vector-sensor beamforming the problem of estimating the shape parameters of seismic wavefields in linear arrays. The purpose of the subsurface layers from the seismic wavefields registered by surface sensors. However, only the waves

  14. Researcher breaks new ground in understanding chemical reaction process

    E-Print Network [OSTI]

    Glaser, Rainer

    Researcher breaks new ground in understanding chemical reaction process Study of diazonium rewrites about a common, basic chemical process using diazonium ions as the example. These ions are used in nature. Now, a professor of chemistry has found that this chemical process has been incorrectly described

  15. NETL F 451.1-1/1 Categorical Exclusion (CX) Designation Form

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

    audits,trainingeducation; solar PV on existing roofs or <60 kW on ground; wind turbinesolar thermal < 20 kW; ground source heat pump <5.5 tons, closed loop system;efficient...

  16. Hanford Site ground-water monitoring for 1992

    SciTech Connect (OSTI)

    Dresel, P.E.; Newcomer, D.R.; Evans, J.C.; Webber, W.D.; Spane, F.A. Jr.; Raymond, R.G.; Opitz, B.E.

    1993-06-01T23:59:59.000Z

    Monitoring activities were conducted to determine the distribution of radionuclides and hazardous chemicals present in ground water as a result of Hanford Site operations and, whenever possible, relate the distribution of these constituents to Site operations. A total of 720 wells were sampled during 1992 by all Hanford ground-water monitoring activities. The Ground-Water Surveillance Project prepared water-table maps of DOE`s Hanford Site for June 1992 from water-level elevations measured in 287 wells across the Hanford Site and outlying areas. These maps are used to infer ground-water flow directions and gradients for the interpretation of contaminant transport. Water levels beneath the 200 Areas decreased as much as 0.75 m (2.5 ft) between December 1991 and December 1992. Water levels in the Cold Creek Valley decreased approximately 0.5 m in that same period. The water table adjacent to the Columbia River along the Hanford Reach continues to respond significantly to fluctuations in river stage. These responses were observed in the 100 and 300 areas. The elevation of the ground-water mound beneath B Pond did not change significantly between December 1991 and December 1992. However, water levels from one well located at the center of the mound indicate a water-level rise of approximately 0.3 m (1 ft) during the last quarter of 1992. Water levels measured from unconfined aquifer wells north and east of the Columbia River in 1992 indicate that the primary source of recharge is from irrigation practices.

  17. A Guide for Using the Transient Ground-Water Flow Model of the Death Valley Regional Ground-Water Flow System, Nevada and California

    SciTech Connect (OSTI)

    Joan B. Blainey; Claudia C. Faunt, and Mary C. Hill

    2006-05-16T23:59:59.000Z

    This report is a guide for executing numerical simulations with the transient ground-water flow model of the Death Valley regional ground-water flow system, Nevada and California using the U.S. Geological Survey modular finite-difference ground-water flow model, MODFLOW-2000. Model inputs, including observations of hydraulic head, discharge, and boundary flows, are summarized. Modification of the DVRFS transient ground-water model is discussed for two common uses of the Death Valley regional ground-water flow system model: predictive pumping scenarios that extend beyond the end of the model simulation period (1998), and model simulations with only steady-state conditions.

  18. The Enigma of Lithium: from CP Stars to K Giants. First Results of CP Star Observations Obtained at Mount Stromlo Observatory

    E-Print Network [OSTI]

    N. S. Polosukhina; N. A. Drake; M. Hack; R. de la Reza; P. R. Wood; A. V. Shavrina

    2003-01-09T23:59:59.000Z

    We present the results of the observations of some roAp stars made at Mount Stromlo Observatory during 17 nights in 2001 September-October. This long observing run permitted us to obtain a good phase-rotation coverage. In chemically peculiar magnetic stars, the Li I 6708 A spectral line presents very anomalous behaviour: in some stars it is a strong feature, in others, with similar atmospheric parameters, it is invisible. Interesting results were obtained for the roAp star HD 3980 which presents variations of the profile and position of the Li I line with the rotation period. These new observational results should serve as a base for the development of atmospheric models of ``Li-spotted'' roAp stars.

  19. Evaluation of the thermal resistance of a roof-mounted multi-reflective radiant barrier for tropical and humid conditions: Experimental study from field measurements

    E-Print Network [OSTI]

    Miranville, Frédéric; Guichard, Stéphane; Boyer, Harry; Praene, Jean Philippe; Bigot, Dimitri

    2012-01-01T23:59:59.000Z

    This paper deals with the experimental evaluation of a roof-mounted multi-reflective radiant barrier (MRRB), installed according to the state of the art, on a dedicated test cell. An existing experimental device was completed with a specific system for the regulation of the airflow rate in the upper air layer included in a typical roof from Reunion Island. Several experimental sequences were conducted to determine the thermal resistance of the roof according to several parameters and following a specific method. The mean method, well known in international standards (ISO 9869 - 1994) for the determination of the thermal resistance using dynamic data, was used. The method was implemented in a building simulation code in order to allow the determination of the thermal indicator automatically. Experimental results are proposed according to different seasonal periods and for different values of the airflow rate in the upper air layer

  20. Evaluation of the thermal resistance of a roof-mounted multi-reflective radiant barrier for tropical and humid conditions: Experimental study from field measurements

    E-Print Network [OSTI]

    Frédéric Miranville; Ali Hamada Fakra; Stéphane Guichard; Harry Boyer; Jean Philippe Praene; Dimitri Bigot

    2012-12-19T23:59:59.000Z

    This paper deals with the experimental evaluation of a roof-mounted multi-reflective radiant barrier (MRRB), installed according to the state of the art, on a dedicated test cell. An existing experimental device was completed with a specific system for the regulation of the airflow rate in the upper air layer included in a typical roof from Reunion Island. Several experimental sequences were conducted to determine the thermal resistance of the roof according to several parameters and following a specific method. The mean method, well known in international standards (ISO 9869 - 1994) for the determination of the thermal resistance using dynamic data, was used. The method was implemented in a building simulation code in order to allow the determination of the thermal indicator automatically. Experimental results are proposed according to different seasonal periods and for different values of the airflow rate in the upper air layer.