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Sample records for domes tic hot

  1. Tic disorders and the premonitory urge

    E-Print Network [OSTI]

    2010-01-01

    S (2005) Premonitory Urge for Tics Scale (PUTS): initialphenomenon in youths with Tic disorders. J Dev Behav PediatrPSYCHIATRY - ORIGINAL ARTICLE Tic disorders and the

  2. Combustion synthesis/quasi-isostatic pressing of TiC0.7NiTi cermets: microstructure and transformation characteristics

    E-Print Network [OSTI]

    Meyers, Marc A.

    Combustion synthesis/quasi-isostatic pressing of TiC0.7≠NiTi cermets: microstructure Abstract TiC0.7≠NiTi cermets were produced by com- bustion synthesis followed by quasi-isostatic consolidation while the reaction products were still hot and ductile. The TiC0.7≠NiTi cermets were characterized

  3. Habit tic deformity secondary to guitar playing

    E-Print Network [OSTI]

    Wu, Jashin J

    2009-01-01

    KA. Treatment of habit- tic deformity with fluoxetine. ArchHabit tic deformity secondary to guitar playing Jashin J Wuchanges similar to the habit tic deformity may be produced

  4. Hot

    Office of Scientific and Technical Information (OSTI)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield MunicipalTechnical Report:Speeding accessby aLED Street LightingFrom theHigh EfficiencyHot electron

  5. Tic-Tac-Toe Bryan Clair

    E-Print Network [OSTI]

    Clair, Bryan

    Tic-Tac-Toe Bryan Clair Department of Mathematics and Computer Science Saint Louis University bryan board, then play immediately. Bryan Clair (SLU) Tic-Tac-Toe January 22, 2014 2 / 15 #12;The Point Tic-tac-toe is a draw. Everyone knows this! Use tic-tac-toe as a model problem: Heuristics Proofs Classifications

  6. Les impacts cologiques des TIC Franoise BERTHOUD

    E-Print Network [OSTI]

    van Tiggelen, Bart

    Les impacts ťcologiques des TIC FranÁoise BERTHOUD (Francoise.Berthoud@grenoble.cnrs.fr) 9 avril 2014 ≠ Lausanne ≠ Confťrence TICs Durables #12;2 Les TIC, sauveuses du monde face au rťchauffement Effets structurels Que faire ? #12;7 Seulement 2% des matťriaux utilisťs pour la production des TIC se

  7. Dome Tech | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, Alabama (UtilityInstrumentsArea (DOEDixmont, Maine: EnergyOpenDome Tech Jump to:

  8. Lava Dome | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View NewTexas:Montezuma, Arizona: Energy ResourcesProject |433014¬į, -82.9931607¬į ShowLava Dome

  9. Tic-Tac-Toe is a Draw David Galvin

    E-Print Network [OSTI]

    Galvin, David

    [4]2 Tic-Tac-Toe is a Draw David Galvin September 1999 Abstract We give a short explicit draw strategy for the second player in four by four tic-tac-toe. The game of [4]2 tic-tac-toe is played on a 4 is based on the fact that ordinary (three by three) tic-tac-toe is a draw, a result which itself requires

  10. BRAINA JOURNAL OF NEUROLOGY The neurophysiological correlates of motor tics

    E-Print Network [OSTI]

    Bar-Gad, Izhar

    BRAINA JOURNAL OF NEUROLOGY The neurophysiological correlates of motor tics following focal disorders. Brief repetitive muscle contractions known as motor tics are a common symptom in several basal to the sensorimotor putamen of behaving primates to induce stereotyped tics similar to those observed in human

  11. Tic-Tac-Toe Eeny, Meeny, Miny, Moe

    E-Print Network [OSTI]

    Walsh, Dennis P.

    Tic-Tac-Toe with Eeny, Meeny, Miny, Moe Dennis Walsh Middle Tennessee State University Abstract Main Street, Murfreesboro, TN 37132. Tic-Tac-Toe with Eeny, Meeny, Miny, Moe. By allowing various forms of randomness into the game of tic-tac-toe, one can escape the ubiquitous ties that occur when two smart people

  12. MCYT TIC2001-4936-E RESEARCH GROUPS ROADMAP

    E-Print Network [OSTI]

    Castillo, Luis

    MCYT TIC2001-4936-E RESEARCH GROUPS ROADMAP November, 2002 #12;#12;Contents 1 Grupo SEPIA 7 2 Grupo Scheduling and Temporal Reasoning (RNPST, TIC2001-4936-E) and it is devoted to spread the information about Research Projects CICYT TIC95-0453 Machine learning methods in uncertain and imprecise environments

  13. Tic-Tac-LEGO: An Investigation into Coordinated Robotic Control

    E-Print Network [OSTI]

    Gray, Jeffrey G.

    Tic-Tac-LEGO: An Investigation into Coordinated Robotic Control Ruben Vuittonet and Jeff Gray to play the game of tic-tac-toe. Three key challenges were investigated in the project: 1) recognition implemented to affect the physical movement of the robots and to mark the appropriate tic- tac-toe cell

  14. OpTIC Technium | Open Energy Information

    Open Energy Info (EERE)

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

  15. Game of Fifteen --Analysis Assertion: The Game of Fifteen is Tic-Tac-Toe in Disguise

    E-Print Network [OSTI]

    Lee, Carl

    Game of Fifteen -- Analysis Assertion: The Game of Fifteen is Tic-Tac-Toe in Disguise Proof are playing Tic-Tac-Toe on this board, the winning Tic-Tac-Toe lines correspond precisely to the triples and the Game of Tic-Tac-Toe are equivalent; i.e., isomorphic. Analysis Leading to the Proof of the Assertion

  16. Tourette syndrome and chronic tic disorder are associated with lower socio-economic status: Findings from the Avon Longitudinal Study of Parents and Children cohort

    E-Print Network [OSTI]

    Miller, LL; Scharf, JM; Scharf, JM; Mathews, CA; Ben-Shlomo, Y

    2013-01-01

    King RA, Scahill L. Phenome- other tic disorders in a totalpopulation of children: clin- nology of tics and naturalhistory of tic disorders. Adv ical assessment and

  17. A mechanical model of early salt dome growth†

    E-Print Network [OSTI]

    Irwin, Frank Albert

    1988-01-01

    salt and the upper layer representing the overlying sediment, is used to study the mechanics of growth in the early stages of salt dome formation. Three cases of this model, each representing a particular rate of removal of the surface topography..., are examined to determine which case best fits observations of salt domes in East Texas, Northwest Germany, and the North Sea. These observations include the spacing and growth rate of the dome and the amount of deformation of the sediments above the dome...

  18. Inferences On The Hydrothermal System Beneath The Resurgent Dome...

    Open Energy Info (EERE)

    more vigorous and energetic fluid circulation beneath the resurgent dome. Although this system apparently died off as a result of mineral deposition and cooling (andor...

  19. Cluster Analysis of the Yale Global Tic Severity Scale (YGTSS): Symptom Dimensions and Clinical Correlates in an Outpatient Youth Sample

    E-Print Network [OSTI]

    Kircanski, Katharina; Woods, Douglas W.; Chang, Susanna W.; Ricketts, Emily J.; Piacentini, John C.

    2010-01-01

    correlated with the severity of tic synptoms. The Australianet al. (1989). The Yale Global Tic Severity Scale: initialof a clinician-rated scale of tic severity. Journal of the

  20. The Influence of Ni-Coated TiC on Laser-Deposited IN625 Metal Matrix Composites

    E-Print Network [OSTI]

    2010-01-01

    The In?uence of Ni-Coated TiC on Laser-Deposited IN625 Metalwith Ni-coated and uncoated TiC reinforcement particles toand spatial distribution of TiC particles in the deposited

  1. SOLUTION MINING IN SALT DOMES OF THE GULF COAST EMBAYMENT

    SciTech Connect (OSTI)

    Griswold, G. B.

    1981-02-01

    Following a description of salt resources in the salt domes of the gulf coast embayment, mining, particularly solution mining, is described. A scenario is constructed which could lead to release of radioactive waste stored in a salt dome via inadvertent solution mining and the consequences of this scenario are analyzed.

  2. To appear in TICS, late 2002 or early 2003 Conception, Perception and the Control of Action

    E-Print Network [OSTI]

    Pylyshyn, Zenon

    To appear in TICS, late 2002 or early 2003 Conception, Perception and the Control of Action in TICS, late 2002 or early 2003 References Li, P. W. and L. R. Gleitman (2002). "Turning the tables

  3. How to Win at Tic-Tac-Toe 1 More Than Child's Play

    E-Print Network [OSTI]

    Do, Norman

    Norman Do How to Win at Tic-Tac-Toe 1 More Than Child's Play Tic-Tac-Toe as a Tree Undoubtedly one of the most popular pencil and paper games in the world is tic-tac-toe, also commonly known as noughts that it may even have been played under the name of "terni lapilli" in Ancient Rome, where examples of the tic

  4. H2020 Toulouse 20/6/14 N 1 Atelier TIC

    E-Print Network [OSTI]

    Bordenave, Charles

    24/06/2014 1 H2020 ¬≠ Toulouse ¬≠ 20/6/14 N¬į 1 Atelier TIC Fr√©d√©ric LAURENT H2020 ¬≠ Toulouse ¬≠ 20/6/14 N¬į 2 Sommaire Rappel H2020 (rapide) Contexte H2020/TIC Rappel du contexte national Le programme LEIT/TIC Les TIC dans les autres parties de H2020 (y compris FET/HPC et Securit√©/Cyber) Comment

  5. Neurobiology of Disease Spatial and Temporal Properties of Tic-Related Neuronal

    E-Print Network [OSTI]

    Bar-Gad, Izhar

    Neurobiology of Disease Spatial and Temporal Properties of Tic-Related Neuronal Activity of Life Sciences, Bar- Ilan University, Ramat-Gan 52900, Israel Motor tics are involuntary brief muscle the pathophysiology of tics is still largely unknown, multiple lines of evidence suggest the involvement

  6. European clinical guidelines for Tourette syndrome and other tic disorders. Part II: pharmacological treatment

    E-Print Network [OSTI]

    Paschou, Peristera

    European clinical guidelines for Tourette syndrome and other tic disorders. Part II of TS and other tic disorders between 1970 and November 2010. We present a summary of the current experience and opinion, since rigorous experimental studies are scarce. Keywords Tics Ń Tourette Ń

  7. European clinical guidelines for Tourette Syndrome and other tic disorders. Part I: assessment

    E-Print Network [OSTI]

    Paschou, Peristera

    European clinical guidelines for Tourette Syndrome and other tic disorders. Part I: assessment clinical assessment guidelines of tic disorders and their comorbidities in both children and adults, checklists and neuropsychological tests) are recommended. Keywords Tics Ń Tourette Ń Assessment Ń Guidelines

  8. Tic22 Is an Essential Chaperone Required for Protein Import into the Apicoplast*S

    E-Print Network [OSTI]

    McFadden, Geoff

    Tic22 Is an Essential Chaperone Required for Protein Import into the Apicoplast*S Received, England Background: Tic22 is a core protein import machinery component of chloroplasts and apicoplasts. Results: Tic22 is a chaperone, required for parasite survival and for protein import in the apicoplast

  9. Neural correlates of tic severity and cognitive control in children withTourette syndrome

    E-Print Network [OSTI]

    Bunge, Silvia

    Neural correlates of tic severity and cognitive control in children withTourette syndrome C. L motor and phonic tics. It is hypothesized that excess dopamine leads to an imbalance in the pathways, higher tic severity was correlated with slower task performance on the most demanding task conditions

  10. LES TIC, TECHNOLOGIES DE GESTION DU TEMPS ET DE LA DISTANCE

    E-Print Network [OSTI]

    van Tiggelen, Bart

    LES TIC, TECHNOLOGIES DE GESTION DU TEMPS ET DE LA DISTANCE Gťrard Valenduc Professeur UNamur et la problťmatique "impacts sociťtaux des TIC" 2 ∑ Le rapport au temps et la gestion du temps 3 ∑ Le centres d'intťrÍt "TIC et ..." L'emploi (dŤs les annťes 1980) Inquiťtude concernant le processus de

  11. Procedimiento de Control y Acceso a los Espacios TIC del Antonio de Ulloa

    E-Print Network [OSTI]

    Bilbao Arrese, Jes√ļs Mario

    Procedimiento de Control y Acceso a los Espacios TIC del CRAI Antonio de Ulloa #12;CRAI ANTONIO DE ULLOA PR Acceso Espacios TIC CRAI Ulloa 15/10/2013 2 / 5 Contenidos: 1. Objeto 3 2. Alcance 3 3. Procedimiento 4 #12;CRAI ANTONIO DE ULLOA PR Acceso Espacios TIC CRAI Ulloa 15/10/2013 3 / 5 1. OBJETO Este

  12. Inferences On The Hydrothermal System Beneath The Resurgent Dome...

    Open Energy Info (EERE)

    around 1980 and has included periods of intense seismicity and ground deformation. Uplift totaling more than 0.7 m has been centered on the caldera's resurgent dome, and is...

  13. Internal Geology and Evolution of the Redondo Dome, Valles Caldera...

    Open Energy Info (EERE)

    Internal Geology and Evolution of the Redondo Dome, Valles Caldera, New Mexico Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Internal Geology...

  14. Energy Department Sells Historic Teapot Dome Oilfield | Department...

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

    1950s and 1960s, the oilfield was essentially closed until full development resumed in 1976. In 1977, jurisdiction for the Teapot Dome reserve was transferred from the Navy to the...

  15. Distribution of Quaternary Rhyolite Dome of the Coso Range California...

    Open Energy Info (EERE)

    domes and flows of phenocryst-poor, high-silica rhyolite of similar major element chemical composition were erupted over the past 1 m.y. from vents arranged in a crudely...

  16. Rheology and TIC/TOC results of ORNL tank samples

    SciTech Connect (OSTI)

    Pareizs, J. M.; Hansen, E. K.

    2013-04-26

    The Savannah River National Laboratory (SRNL)) was requested by Oak Ridge National Laboratory (ORNL) to perform total inorganic carbon (TIC), total organic carbon (TOC), and rheological measurements for several Oak Ridge tank samples. As received slurry samples were diluted and submitted to SRNL-Analytical for TIC and TOC analyses. Settled solids yield stress (also known as settled shear strength) of the as received settled sludge samples were determined using the vane method and these measurements were obtained 24 hours after the samples were allowed to settled undisturbed. Rheological or flow properties (Bingham Plastic viscosity and Bingham Plastic yield stress) were determined from flow curves of the homogenized or well mixed samples. Other targeted total suspended solids (TSS) concentrations samples were also analyzed for flow properties and these samples were obtained by diluting the as-received sample with de-ionized (DI) water.

  17. Dynamics of precipitation pattern formation at geothermal hot springs

    E-Print Network [OSTI]

    Nigel Goldenfeld; Pak Yuen Chan; John Veysey

    2006-05-26

    We formulate and model the dynamics of spatial patterns arising during the precipitation of calcium carbonate from a supersaturated shallow water flow. The model describes the formation of travertine deposits at geothermal hot springs and rimstone dams of calcite in caves. We find explicit solutions for travertine domes at low flow rates, identify the linear instabilities which generate dam and pond formation on sloped substrates, and present simulations of statistical landscape evolution.

  18. Strategic Insights From Playing the Quantum Tic-Tac-Toe

    E-Print Network [OSTI]

    J. N. Leaw; S. A. Cheong

    2010-07-21

    In this paper, we perform a minimalistic quantization of the classical game of tic-tac-toe, by allowing superpositions of classical moves. In order for the quantum game to reduce properly to the classical game, we require legal quantum moves to be orthogonal to all previous moves. We also admit interference effects, by squaring the sum of amplitudes over all moves by a player to compute his or her occupation level of a given site. A player wins when the sums of occupations along any of the eight straight lines we can draw in the $3 \\times 3$ grid is greater than three. We play the quantum tic-tac-toe first randomly, and then deterministically, to explore the impact different opening moves, end games, and different combinations of offensive and defensive strategies have on the outcome of the game. In contrast to the classical tic-tac-toe, the deterministic quantum game does not always end in a draw. In contrast also to most classical two-player games of no chance, it is possible for Player 2 to win. More interestingly, we find that Player 1 enjoys an overwhelming quantum advantage when he opens with a quantum move, but loses this advantage when he opens with a classical move. We also find the quantum blocking move, which consists of a weighted superposition of moves that the opponent could use to win the game, to be very effective in denying the opponent his or her victory. We then speculate what implications these results might have on quantum information transfer and portfolio optimization.

  19. FLAMMABLE GAS DIFFUSION THROUGH SINGLE SHELL TANK (SST) DOMES

    SciTech Connect (OSTI)

    MEACHAM, J.E.

    2003-11-10

    This report quantified potential hydrogen diffusion through Hanford Site Single-Shell tank (SST) domes if the SSTs were hypothetically sealed airtight. Results showed that diffusion would keep headspace flammable gas concentrations below the lower flammability limit in the 241-AX and 241-SX SST. The purpose of this document is to quantify the amount of hydrogen that could diffuse through the domes of the SSTs if they were hypothetically sealed airtight. Diffusion is assumed to be the only mechanism available to reduce flammable gas concentrations. The scope of this report is limited to the 149 SSTs.

  20. WA_96_012_ALLIEDSIGNAL_INC_CERAMIC_COMPONENTS_Waiver_of_Dome...

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

    ALLIEDSIGNALINCCERAMICCOMPONENTSWaiverofDome.pdf WA96011ALLIEDSIGNALWaiverofDomesticandForeignRight.pdf WA1993021ALLIEDSIGNALINCWaiverofDomesticandForeign...

  1. UPb SHRIMP zircon geochronology and Ttd history of the Kampa Dome, southern Tibet

    E-Print Network [OSTI]

    Sandiford, Mike

    U≠Pb SHRIMP zircon geochronology and T≠t≠d history of the Kampa Dome, southern Tibet M.C. Quigley a, petrographic and geochronologic studies of the Kampa Dome provide insights into the tectonothermal evolution≠S contraction, E≠W extension and doming (D4). Structural and geochronologic variability amongst adjacent North

  2. Thermodynamic and mechanical properties of TiC from ab initio calculation

    SciTech Connect (OSTI)

    Dang, D. Y.; Fan, J. L.; Gong, H. R., E-mail: gonghr@csu.edu.cn [State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083 (China)

    2014-07-21

    The temperature-dependent thermodynamic and mechanical properties of TiC are systematically investigated by means of a combination of density-functional theory, quasi-harmonic approximation, and thermal electronic excitation. It is found that the quasi-harmonic Debye model should be pertinent to reflect thermodynamic properties of TiC, and the elastic properties of TiC decease almost linearly with the increase of temperature. Calculations also reveal that TiC possesses a pronounced directional pseudogap across the Fermi level, mainly due to the strong hybridization of Ti 3d and C 2p states. Moreover, the strong covalent bonding of TiC would be enhanced (reduced) with the decrease (increase) of temperature, while the change of volume (temperature) should have negligible effect on density of states at the Fermi level. The calculated results agree well with experimental observations in the literature.

  3. Lunar Gruithuisen and Mairan domes: Rheology and mode of emplacement

    E-Print Network [OSTI]

    Head III, James William

    Science Department, Lancaster University, Lancaster, United Kingdom James W. Head Department of Geological is very low, $7 ¬ 10ņ5 m/s, and the Reynolds number of the motion is $2 ¬ 10ņ8 , implying a completely. Head, Lunar Gruithuisen and Mairan domes: Rheology and mode of emplacement, J. Geophys. Res., 108(E2

  4. Analysis of Venusian steepsided domes utilizing stereoderived topography

    E-Print Network [OSTI]

    Herrick, Robert R.

    morphology varies along a continuous trend that is directly related to the aspect ratio. Domes with a low, cones, and large volcanic provinces [e.g., Head et al., 1991; Campbell and Campbell, 1992; Guest et al., 1992; Head et al., 1992; Crumpler et al., 1997; Magee and Head, 2001; Stofan et al., 2001; Byrnes

  5. Transport Processes in a Salt-Dome Environment

    E-Print Network [OSTI]

    Kornhuber, Ralf

    Transport Processes in a Salt-Dome Environment Sylvia Rockel Sebastian Sklorz Maurizio Vaccaro Summerschool in Modelling of Mass and Energy Transport in Porous Media With Practical Applications Berlin, 15 october 2010 #12;Problem ∑ Subsurface flow and transport within a vertical cross section of a sedimentary

  6. Surface temperature and spectral measurements at Santiaguito lava dome, Guatemala

    E-Print Network [OSTI]

    Rose, William I.

    Surface temperature and spectral measurements at Santiaguito lava dome, Guatemala Steve T. M, Michigan Technological University, Houghton, Michigan, USA Otoniel Matias INSIVUMEH, Guatemala City, Guatemala Received 4 June 2004; revised 23 July 2004; accepted 20 September 2004; published 13 October 2004

  7. Modelling the coarsening behaviour of TiC precipitates in high-strength, low-alloy steels

    E-Print Network [OSTI]

    Cambridge, University of

    Modelling the coarsening behaviour of TiC precipitates in high-strength, low-alloy steels Jae Hoon≠sheet steels rely on a dispersion of fine precipitates based on TiC, generated during the major phase changes of the stoichiometry of titanium and carbon. The purpose was to assess the influences of interface energy and Ti/C

  8. Hot Canyon

    ScienceCinema (OSTI)

    None

    2013-03-01

    This historical film footage, originally produced in the early 1950s as part of a series by WOI-TV, shows atomic research at Ames Laboratory. The work was conducted in a special area of the Laboratory known as the "Hot Canyon."

  9. COP5570 Project No. 4: Online tic-tac-toe Server Experience with socket programming, experience with implementing a network application.

    E-Print Network [OSTI]

    Yuan, Xin

    COP5570 Project No. 4: Online tic-tac-toe Server PURPOSE ∑ Experience with socket programming. In this assignment, you will implement a game server for the online tic-tac-toe game. The tic-tac-toe game is played the games and users. More specifically, the following commands should be supported in our tic-tac-toe server

  10. High-Resolution Soft X-Ray Spectral Analysis in the CK Region of Titanium Carbide (TiC) using the DV-X alpha Molecular Orbital Method

    E-Print Network [OSTI]

    Shimomura, Kenta

    2010-01-01

    1 XRD pattern of the measured TiC powder sample. Figure 2XAS. Intensity (arb. units) TiC X-ray: Cu K? voltage: 40 kVintensity (arb. units) CK-XES TiC b a c HOPG e f CK-XAS TiC

  11. Steady states and linear stability analysis of precipitation pattern formation at geothermal hot springs

    E-Print Network [OSTI]

    Chan, Pak Yuen

    2007-01-01

    A dynamical theory of geophysical precipitation pattern formation is presented and applied to irreversible calcium carbonate (travertine) deposition. Specific systems studied here are the terraces and domes observed at geothermal hot springs, such as those at Yellowstone National Park, and speleothems, particularly stalactites and stalagmites. The theory couples the precipitation front dynamics with shallow water flow, including corrections for turbulent drag and curvature effects. In the absence of capillarity and with a laminar flow profile, the theory predicts a one-parameter family of steady state solutions to the moving boundary problem describing the precipitation front. These shapes match well the measured shapes near the vent at the top of observed travertine domes. Closer to the base of the dome, the solutions deviate from observations, and circular symmetry is broken by a fluting pattern, which we show is associated with capillary forces causing thin film break-up. We relate our model to that recent...

  12. Methyl chloride variability in the Taylor Dome ice core during the Holocene

    E-Print Network [OSTI]

    Verhulst, Kristal R; Aydin, Murat; Saltzman, Eric S

    2013-01-01

    in the Taylor Dome ice core during the Holocene Kristal R.2005GB002680. Lee-Taylor, J. , and K. R. Redeker (2005),

  13. Draft environmental assessment: Richton Dome site, Mississippi. Nuclear Waste Policy Act (Section 112). [Contains Glossary

    SciTech Connect (OSTI)

    Not Available

    1984-12-01

    In February 1983, the US Department of Energy identified the Richton dome site as one of the nine potentially acceptable sites for a mined geo

  14. Steady states and linear stability analysis of precipitation pattern formation at geothermal hot springs

    E-Print Network [OSTI]

    Pak Yuen Chan; Nigel Goldenfeld

    2007-08-22

    A dynamical theory of geophysical precipitation pattern formation is presented and applied to irreversible calcium carbonate (travertine) deposition. Specific systems studied here are the terraces and domes observed at geothermal hot springs, such as those at Yellowstone National Park, and speleothems, particularly stalactites and stalagmites. The theory couples the precipitation front dynamics with shallow water flow, including corrections for turbulent drag and curvature effects. In the absence of capillarity and with a laminar flow profile, the theory predicts a one-parameter family of steady state solutions to the moving boundary problem describing the precipitation front. These shapes match well the measured shapes near the vent at the top of observed travertine domes. Closer to the base of the dome, the solutions deviate from observations, and circular symmetry is broken by a fluting pattern, which we show is associated with capillary forces causing thin film break-up. We relate our model to that recently proposed for stalactite growth, and calculate the linear stability spectrum of both travertine domes and stalactites. Lastly, we apply the theory to the problem of precipitation pattern formation arising from turbulent flow down an inclined plane, and identify a linear instability that underlies scale-invariant travertine terrace formation at geothermal hot springs.

  15. Attenuation of acoustic waves in glacial ice and salt domes

    E-Print Network [OSTI]

    P. B. Price

    2005-06-27

    Two classes of natural solid media (glacial ice and salt domes) are under consideration as media in which to deploy instruments for detection of neutrinos with energy >1e18 eV. Though insensitive to 1e11 to 1e16 eV neutrinos for which observatories (e.g., AMANDA and IceCube) that utilize optical Cherenkov radiation detectors are designed, radio and acoustic methods are suited for searches for the very low fluxes of neutrinos with energies >1017 eV. This is because, due to the very long attenuation lengths of radio and acoustic waves in ice and salt, detection modules can be spaced very far apart. In this paper, I calculate the absorption and scattering coefficients as a function of frequency and grain size for acoustic waves in glacial ice and salt domes and show that experimental measurements on laboratory samples and in glacial ice and salt domes are consistent with theory. For South Pole ice with grain size 0.2 cm at -51 degrees C, scattering lengths are calculated to be 2000 km and 25 km at 10 kHz and 30 kHz, respectively, and the absorption length is calculated to be 9 km at frequencies above 100 Hz. For NaCl (rock salt) with grain size 0.75 cm, scattering lengths are calculated to be 120 km and 1.4 km at 10 kHz and 30 kHz, and absorption lengths are calculated to be 30,000 km and 3300 km at 10 kHz and 30 kHz. Existing measurements are consistent with theory. For ice, absorption is the limiting factor; for salt, scattering is the limiting factor.

  16. Field Survey of Cactus Crater Storage Facility (Runit Dome)

    SciTech Connect (OSTI)

    Douglas Miller, Terence Holland

    2008-10-31

    The US Department of Energy, Office of Health and Safety (DOE/HS-10), requested that National Security Technologies, LLC, Environmental Management directorate (NSTec/EM) perform a field survey of the Cactus Crater Storage Facility (Runit Dome), similar to past surveys conducted at their request. This field survey was conducted in conjunction with a Lawrence Livermore National Laboratory (LLNL) mission on Runit Island in the Enewetak Atoll in the Republic of the Marshall Islands (RMI). The survey was strictly a visual survey, backed up by digital photos and a written description of the current condition.

  17. U.S. CHP Installations Incorporating Thermal Energy Storage (TES) and/or Turbine Inlet Cooling (TIC), September 2003

    Office of Energy Efficiency and Renewable Energy (EERE)

    Chart of Database of U.S. CHP Installations Incorporating Thermal Energy Storage (TES) and/or Turbine Inlet Cooling (TIC)

  18. Water Dome -An Augmented Environment-Yuki Sugihara and Susumu Tachi

    E-Print Network [OSTI]

    Tachi, Susumu

    Water Dome -An Augmented Environment- Yuki Sugihara and Susumu Tachi Dept. of Mathematical@star:t.u-tokyo.ac.jp Abstract The purpose of this research is to demonstrate the influence that a water dome has on a person. The following approach was usedfor this study: ( I )A water display was used as a projection screen; (2)The

  19. Sensitivity of storage field performance to geologic and cavern design parameters in salt domes.

    SciTech Connect (OSTI)

    Ehgartner, Brian L.; Park, Byoung Yoon

    2009-03-01

    A sensitivity study was performed utilizing a three dimensional finite element model to assess allowable cavern field sizes for strategic petroleum reserve salt domes. A potential exists for tensile fracturing and dilatancy damage to salt that can compromise the integrity of a cavern field in situations where high extraction ratios exist. The effects of salt creep rate, depth of salt dome top, dome size, caprock thickness, elastic moduli of caprock and surrounding rock, lateral stress ratio of surrounding rock, cavern size, depth of cavern, and number of caverns are examined numerically. As a result, a correlation table between the parameters and the impact on the performance of storage field was established. In general, slower salt creep rates, deeper depth of salt dome top, larger elastic moduli of caprock and surrounding rock, and a smaller radius of cavern are better for structural performance of the salt dome.

  20. ABSTRACT : To 1992 o Borcherds eis gage mia na kathgora algbrwn Lie mh peperasmnhc distashc, tic genikeumnec lgebrec Kac-Moody. Autc oi lgebrec qoun pollc omoithtec

    E-Print Network [OSTI]

    Beligiannis, Apostolos

    , tic genikeumènec lgebrec Kac-Moody. Autèc oi lgebrec èqoun pollèc omoiìthtec me tic lgebrec Kac

  1. EIS-0010: Strategic Petroleum Reserves, Sulphur Mines Salt Dome, Calcasieu Parish, Louisiana

    Broader source: Energy.gov [DOE]

    The Strategic Petroleum Reserves prepared this EIS to assess the environmental impacts of the proposed storage of 24 million barrels of crude oil at the Sulphur Mines salt dome located in Calcasieu Parish, Louisiana, including construction and operation impacts.

  2. Fluid Flow In The Resurgent Dome Of Long Valley Caldera- Implications...

    Open Energy Info (EERE)

    The Resurgent Dome Of Long Valley Caldera- Implications From Thermal Data And Deep Electrical Sounding Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal...

  3. Domed community and several alternatives for Winooski, Vermont: the environmental, organizational, and energy conservation issues

    SciTech Connect (OSTI)

    Wendt, R.L.

    1980-01-01

    The environmental, organizational, and energy conservation issues related to a domed structure enveloping Winooski, Vermont, are discussed. Alternative means of accomplishing energy conservation will be addressed. These include retrofitting of existing structures, replacement with state-of-the-art structures, the use of planting shelter-belts, redevelopment to an earth-sheltered community, and redevelopment to a composite domed neighborhood and earth-sheltered community. The assets and liabilities of each alternative are addressed.

  4. Cold domes over the warm pool: a study of the properties of cold domes produced by mesoscale convective systems during TOGA COARE†

    E-Print Network [OSTI]

    Caesar, Kathy-Ann Lois

    1995-01-01

    , and wind speeds in the cold domes. Unique to this project is that low-level altitude flight legs ranged from 35 m to 300 m. Composite soundings of the inflow environment were constructed using flight level data from the NOAA P3s, the NCAR Electra...

  5. Improved manufacturing techniques for RF and laser hardening of missile domes. Phase I. Technical report

    SciTech Connect (OSTI)

    Pawlewicz, W.T.; Mann, I.B.; Martin, P.M.; Hays, D.D.; Graybeal, A.G.

    1982-07-01

    This report summarizes key results and accomplishements during the first year of a Manufacturing Methods and Technology project to adapt an existing Pacific Northwest Laboratory (PNL) optical coating capability developed for high-power fusion-laser applications to the case of rf and laser hardening of plastic missile domes used by the US Army (MICOM). The primary objective of the first year's work was to demonstrate rf hardening of Hellfire and Copperhead 1.06-micron missile domes by use of transparent conductive Indium Tin Oxide (ITO) coatings. The project thus involved adaptation of a coating material and process developed for flat glass components used in fusion lasers to the case of hemispherical or conical heat-sensitive plastic domes used on laser-guided missiles. Specific ITO coating property goals were an electrical sheet resistance of 10 Ohms/square, a coated-dome transmission of 80% or more at 1.06 micron wavelength (compared to 90% for a bare dome), and good adhesion. The sheet resistance goal of 10 Ohms/square was expected to result in an rf attenuation of 30 dB at the frequencies of importance.

  6. Flattening Scientific CCD Imaging Data with a Dome Flat Field System

    E-Print Network [OSTI]

    J. L. Marshall; D. L. DePoy

    2005-10-07

    We describe the flattening of scientific CCD imaging data using a dome flat field system. The system uses light emitting diodes (LEDs) to illuminate a carefully constructed dome flat field screen. LEDs have several advantages over more traditional illumination sources: they are available in a wide range of output wavelengths, are inexpensive, have a very long source lifetime, and are straightforward to control digitally. The circular dome screen is made of a material with Lambertian scattering properties that efficiently reflects light of a wide range of wavelengths and incident angles. We compare flat fields obtained using this new system with two types of traditionally-constructed flat fields: twilight sky flats and nighttime sky flats. Using photometric standard stars as illumination sources, we test the quality of each flat field by applying it to a set of standard star observations. We find that the dome flat field system produces flat fields that are superior to twilight or nighttime sky flats, particularly for photometric calibration. We note that a ratio of the twilight sky flat to the nighttime sky flat is flat to within the expected uncertainty; but since both of these flat fields are inferior to the dome flat, this common test is not an appropriate metric for testing a flat field. Rather, the only feasible and correct method for determining the appropriateness of a flat field is to use standard stars to measure the reproducibility of known magnitudes across the detector.

  7. Degradation of dome cutting minerals in Hanford waste

    SciTech Connect (OSTI)

    Reynolds, Jacob G.; Huber, Heinz J.; Cooke, Gary A.

    2013-01-11

    At the Hanford Tank Farms, recent changes in retrieval technology require cutting new risers in several single-shell tanks. The Hanford Tank Farm Operator is using water jet technology with abrasive silicate minerals such as garnet or olivine to cut through the concrete and rebar dome. The abrasiveness of these minerals, which become part of the high-level waste stream, may enhance the erosion of waste processing equipment. However, garnet and olivine are not thermodynamically stable in Hanford waste, slowly degrading over time. How likely these materials are to dissolve completely in the waste before the waste is processed in the Waste Treatment and Immobilization Plant can be evaluated using theoretical analysis for olivine and collected direct experimental evidence for garnet. Based on an extensive literature study, a large number of primary silicates decompose into sodalite and cancrinite when exposed to Hanford waste. Given sufficient time, the sodalite also degrades into cancrinite. Even though cancrinite has not been directly added to any Hanford tanks during process times, it is the most common silicate observed in current Hanford waste. By analogy, olivine and garnet are expected to ultimately also decompose into cancrinite. Garnet used in a concrete cutting demonstration was immersed in a simulated supernate representing the estimated composition of the liquid retrieving waste from Hanford tank 241-C-107 at both ambient and elevated temperatures. This simulant was amended with extra NaOH to determine if adding caustic would help enhance the degradation rate of garnet. The results showed that the garnet degradation rate was highest at the highest NaOH concentration and temperature. At the end of 12 weeks, however, the garnet grains were mostly intact, even when immersed in 2 molar NaOH at 80 deg C. Cancrinite was identified as the degradation product on the surface of the garnet grains. In the case of olivine, the rate of degradation in the high-pH regimes of a waste tank is expected to depend on two main parameters: carbonate is expected to slow olivine degradation rates, whereas hydroxide is expected to enhance olivine dissolution rates. Which of these two competing dissolution drivers will have a larger impact on the dissolution rate in the specific environment of a waste tank is currently not identifiable. In general, cancrinite is much smaller and less hard than either olivine or garnet, so would be expected to be less erosive to processing equipment. Complete degradation of either garnet or olivine prior to being processed at the Waste Treatment and Immobilization Plant cannot be confirmed, however.

  8. Degradation of Dome Cutting Minerals in Hanford Waste - 13100

    SciTech Connect (OSTI)

    Reynolds, Jacob G.; Cooke, Gary A.; Huber, Heinz J. [Washington River Protection Solutions, LLC, P.O. Box 850, Richland, WA 99352 (United States)] [Washington River Protection Solutions, LLC, P.O. Box 850, Richland, WA 99352 (United States)

    2013-07-01

    At the Hanford Tank Farms, recent changes in retrieval technology require cutting new risers in several single-shell tanks. The Hanford Tank Farm Operator is using water jet technology with abrasive silicate minerals such as garnet or olivine to cut through the concrete and rebar dome. The abrasiveness of these minerals, which become part of the high-level waste stream, may enhance the erosion of waste processing equipment. However, garnet and olivine are not thermodynamically stable in Hanford waste, slowly degrading over time. How likely these materials are to dissolve completely in the waste before the waste is processed in the Waste Treatment and Immobilization Plant can be evaluated using theoretical analysis for olivine and collected direct experimental evidence for garnet. Based on an extensive literature study, a large number of primary silicates decompose into sodalite and cancrinite when exposed to Hanford waste. Given sufficient time, the sodalite also degrades into cancrinite. Even though cancrinite has not been directly added to any Hanford tanks during process times, it is the most common silicate observed in current Hanford waste. By analogy, olivine and garnet are expected to ultimately also decompose into cancrinite. Garnet used in a concrete cutting demonstration was immersed in a simulated supernate representing the estimated composition of the liquid retrieving waste from Hanford tank 241-C-107 at both ambient and elevated temperatures. This simulant was amended with extra NaOH to determine if adding caustic would help enhance the degradation rate of garnet. The results showed that the garnet degradation rate was highest at the highest NaOH concentration and temperature. At the end of 12 weeks, however, the garnet grains were mostly intact, even when immersed in 2 molar NaOH at 80 deg. C. Cancrinite was identified as the degradation product on the surface of the garnet grains. In the case of olivine, the rate of degradation in the high-pH regimes of a waste tank is expected to depend on two main parameters: carbonate is expected to slow olivine degradation rates, whereas hydroxide is expected to enhance olivine dissolution rates. Which of these two competing dissolution drivers will have a larger impact on the dissolution rate in the specific environment of a waste tank is currently not identifiable. In general, cancrinite is much smaller and less hard than either olivine or garnet, so would be expected to be less erosive to processing equipment. Complete degradation of either garnet or olivine prior to being processed at the Waste Treatment and Immobilization Plant cannot be confirmed, however. (authors)

  9. Charmonium in Hot Medium†

    E-Print Network [OSTI]

    Zhao, Xingbo

    2012-02-14

    We investigate charmonium production in the hot medium created by heavy-ion collisions by setting up a framework in which in-medium charmonium properties are constrained by thermal lattice QCD (lQCD) and subsequently ...

  10. Hot and dark matter

    E-Print Network [OSTI]

    D'Eramo, Francesco

    2012-01-01

    In this thesis, we build new Effective Field Theory tools to describe the propagation of energetic partons in hot and dense media, and we propose two new reactions for dark matter in the early universe. In the first part, ...

  11. Transport Processes in a Salt-Dome Environment We consider coupled subsurface flow

    E-Print Network [OSTI]

    Kornhuber, Ralf

    Transport Processes in a Salt-Dome Environment ≠ A ≠ We consider coupled subsurface flow and transport within a vertical cross section of a sedimentary basin. To illustrate the effects of (1) heat flow and heat transport simulations will be compared with coupled flow and mass transport simulations

  12. Carboniferous tectonic history of the eastern flank of the Ozark dome

    SciTech Connect (OSTI)

    Nelson, W.J. (Illinois State Geological Survey, Champaign, IL (United States))

    1993-03-01

    Detailed geologic mapping in southwestern Illinois and southeastern Missouri indicates that the eastern flank of the Ozark dome was a low positive area throughout Carboniferous (Mississippian and Pennsylvanian) time. Rock units of this age consistently thin onto the flank of the dome, and are punctuated by numerous disconformities. Effects of shoaling are prominent in Chesterian strata, which change from dominantly subtidal in the proto-Illinois basin to shallow subtidal, intertidal and supratidal on the flank of the dome. Although the dome probably was exposed subaerially for much of Carboniferous time, it contributed little sediment eastward. The exposed rocks were largely carbonates, which weathered by solution. Several long-lived basement structures on the east flank of the Ozarks were active during the Carboniferous. Chief among them were the Lincoln and Waterloo-Dupo anticlines, the Du Quoin monocline, and the Ste. Genevieve fault zone. All are high-angle reverse faults that strike north to northwest, and are overlain by sharp folds in sedimentary cover. Major displacements took place in late Valmeyeran to Atokan time, and addition deformation occurred in Desmoinesian through post-Pennsylvanian time. The compressional deformation probably is a product of the Ouachita orogeny.

  13. Doming in compressional orogenic settings: New geochronological constraints from the NW Himalaya

    E-Print Network [OSTI]

    Hacker, Bradley R.

    Doming in compressional orogenic settings: New geochronological constraints from the NW Himalaya to as the Khanjar Shear Zone (KSZ) and the Zanskar Shear Zone (ZSZ), respectively. Geochronological dating geochronological constraints from the NW Himalaya, Tectonics, 25, TC2007, doi:10.1029/ 2004TC001774. 1

  14. Assessment of dome-fill technology and potential fill materials for the Hanford single-shell tanks

    SciTech Connect (OSTI)

    Smyth, J.D.; Shade, J.W.; Somasundaram, S.

    1992-05-01

    This study is part of a task that will identify dome-fill materials to stabilize and prevent the collapse of the structures of 149 single- shell tanks (SSTs). The SSTs were built at the Hanford Site in Washington State and used between 1944 and 1980 to store radioactive and other hazardous wastes. In addition to identifying suitable fill materials, this task will develop the technology and methods required to fill the tanks with the selected material. To date, basalt is the only candidate fill material with any testing conducted for its suitability as a dome-fill material. Sufficient data do not exist to select or eliminate basalt as a candidate material. This report documents a review of past dome-fill work at the Hanford Site and of other pertinent literature to establish a baseline for the dome-fill technology. In addition, the report identifies existing dome-fill technology, preliminary performance criteria for dome-fill technology development, potential testing strategies, and potential fill materials. As a part of this study, potential fill materials are qualitatively evaluated and a list of preliminary candidate fill materials is identified. Future work will further screen these materials. The dome-fill task work will ultimately contribute to the development of a final waste form package and the safe isolation of wastes from the Hanford Site SSTs.

  15. Geologic technical assessment of the Chacahoula Salt Dome, Louisiana, for potential expansion of the U.S. strategic petroleum reserve.

    SciTech Connect (OSTI)

    Snider, Anna C.; Rautman, Christopher Arthur; Looff, Karl M.

    2006-03-01

    The Chacahoula salt dome, located in southern Louisiana, approximately 66 miles southwest of New Orleans, appears to be a suitable site for a 160-million-barrel-capacity expansion facility for the U.S. Strategic Petroleum Reserve, comprising sixteen 10-million barrel underground storage caverns. The overall salt dome appears to cover an area of some 1800 acres, or approximately 2.8 square miles, at a subsea elevation of 2000 ft, which is near the top of the salt stock. The shallowest known salt is present at 1116 ft, subsea. The crest of the salt dome is relatively flatlying, outward to an elevation of -4000 ft. Below this elevation, the flanks of the dome plunge steeply in all directions. The dome appears to comprise two separate spine complexes of quasi-independently moving salt. Two mapped areas of salt overhang, located on the eastern and southeastern flanks of the salt stock, are present below -8000 ft. These regions of overhang should present no particular design issues, as the conceptual design SPR caverns are located in the western portion of the dome. The proposed cavern field may be affected by a boundary shear zone, located between the two salt spines. However, the large size of the Chacahoula salt dome suggests that there is significant design flexibility to deal with such local geologic issues.

  16. http://tics.trends.com 1364-6613/01/$ see front matter 2001 Elsevier Science Ltd. All rights reserved. PII: 82 ReviewReview TRENDS in Cognitive Sciences Vol.5 No.2 February 2001

    E-Print Network [OSTI]

    Chater, Nick

    http://tics.trends.com 1364-6613/01/$ ≠ see front matter © 2001 Elsevier Science Ltd. All rights reserved. PII: 82 ReviewReview TRENDS in Cognitive Sciences Vol.5 No.2 February 2001 http://tics

  17. TRENDS in Cognitive Sciences Vol.5 No.8 August 2001 http://tics.trends.com 1364-6613/01/$ see front matter 2001 Elsevier Science Ltd. All rights reserved. PII

    E-Print Network [OSTI]

    Coulson, Seana

    TRENDS in Cognitive Sciences Vol.5 No.8 August 2001 http://tics.trends.com 1364-6613/01/$ ≠ see front matter © 2001 Elsevier Science Ltd. All rights reserved. PII: 349ReviewReview http://tics

  18. http://tics.trends.com 1364-6613/01/$ see front matter 2001 Elsevier Science Ltd. All rights reserved. PII: 62 ReviewReview TRENDS in Cognitive Sciences Vol.5 No.2 February 2001

    E-Print Network [OSTI]

    Menzel, Randolf - Institut fŁr Biologie

    http://tics.trends.com 1364-6613/01/$ ≠ see front matter © 2001 Elsevier Science Ltd. All rights reserved. PII: 62 ReviewReview TRENDS in Cognitive Sciences Vol.5 No.2 February 2001 http://tics

  19. Imaging dipping sediments at a salt dome flank -VSP seismic interferometry and reverse-time Rongrong Lu*, Mark Willis, Xander Campman, Jonathan Ajo-Franklin, M. Nafi Toksz, ERL, MIT

    E-Print Network [OSTI]

    Ajo-Franklin, Jonathan

    Imaging dipping sediments at a salt dome flank - VSP seismic interferometry and reverse We present results of applying seismic interferometry to image dipping sediments abutting a salt dome overhanging salt dome. The sediment reflectors in the model dip up towards the salt dome flank. To process

  20. sedimentation under permanent ice cover in the Arc-tic Ocean. Cont. Shelf Res. 14: 279-293.

    E-Print Network [OSTI]

    390 Notes sedimentation under permanent ice cover in the Arc- tic Ocean. Cont. Shelf Res. 14: 279-293. HAWLEY, N. 1988. Flow in cylindrical sediment traps. J. Great Lakes Res. 14: 76-88. HOLM-HANSEN, O., C. J. Effectiveness of various treatments in retarding mi- crobial activity in sediment trap material

  1. EIS-0029: Strategic Petroleum Reserve, Texoma Group Salt Domes, Cameron and Calcasieu Parishes, Louisiana and Jefferson County, TX

    Broader source: Energy.gov [DOE]

    The Strategic Petroleum Reserves developed this EIS to analyze the environmental impacts that could occur during site preparation and operation of oil storage facilities at each of four proposed candidate sites in the Texoma Group of salt domes.

  2. Analysis of Thermal Conditions of the 6-m BTA Telescope Elements and the Telescope Dome Space

    E-Print Network [OSTI]

    Emelianov, E V

    2015-01-01

    The results obtained using the temperature monitoring systems of the 6-m BTA telescope primary mirror, dome space, and external environment are reported. We consider the factors that affect the development of microturbulence in the near-mirror air layer and inside the dome space, variation of the telescope focal length with the temperature of its structures, variation of seeing due to temperature gradients inside the primary mirror of the 6-m telescope. The methods used in various observatories for reducing microturbulence are analyzed. We formulate suggestions concerning the improvement of the temperature monitoring system currently in operation and the system of automatic adjustment of the telescope focal length to compensate the thermal drift of the focus during observations.

  3. Coping with Hot Work Environments†

    E-Print Network [OSTI]

    Smith, David

    2005-04-28

    Many people work under hot, humid conditions. Summer heat is a particular hazard to agricultural producers who work long hours under the sun. However, other people working in hot yards, gardens, kitchens or industry jobs are also exposed...

  4. Green Systems Solar Hot Water

    E-Print Network [OSTI]

    Schladow, S. Geoffrey

    Green Systems Solar Hot Water Heating the Building Co-generation: Heat Recovery System: Solar Thermal Panels (Trex enclosure) Hot Water Storage Tank (TS-5; basement) Hot Water Heaters (HW-1,2; basement) Pre-heats water so water heaters don't need to use as much energy Gas-powered, high efficiency

  5. Assessment of Effectiveness of Geologic Isolation Systems: REFERENCE SITE INITIAL ASSESSMENT FOR A SALT DOME REPOSITORY

    SciTech Connect (OSTI)

    Harwell,, M. A.; Brandstetter,, A.; Benson,, G. L.; Bradley,, D. J.; Serne,, R. J.; Soldat, J. K; Cole,, C. R.; Deutsch,, W. J.; Gupta,, S. K.; Harwell,, C. C.; Napier,, B. A.; Reisenauer,, A. E.; Prater,, L. S.; Simmons,, C. S.; Strenge,, D. L.; Washburn,, J. F.; Zellmer,, J. T.

    1982-06-01

    As a methodology demonstration for the Office of Nuclear Waste Isolation (ONWI), the Assessment of Effectiveness of Geologic Isolation Systems (AEGIS) Program conducted an initial reference site analysis of the long-term effectiveness of a salt dome repository. The Hainesville Salt Dome in Texas was chosen to be representative of the Gulf Coast interior salt domes; however, the Hainesville Site has been eliminated as a possible nuclear waste repository site. The data used for this exercise are not adequate for an actual assessment, nor have all the parametric analyses been made that would adequately characterize the response of the geosystem surrounding the repository. Additionally, because this was the first exercise of the complete AEGIS and WASTE Rock Interaction Technology (WRIT) methodology, this report provides the initial opportunity for the methodology, specifically applied to a site, to be reviewed by the community outside the AEGIS. The scenario evaluation, as a part of the methodology demonstration, involved consideration of a large variety of potentially disruptive phenomena, which alone or in concert could lead to a breach in a salt dome repository and to a subsequent transport of the radionuclides to the environment. Without waste- and repository-induced effects, no plausible natural geologic events or processes which would compromise the repository integrity could be envisioned over the one-million-year time frame after closure. Near-field (waste- and repository-induced) effects were excluded from consideration in this analysis, but they can be added in future analyses when that methodology development is more complete. The potential for consequential human intrusion into salt domes within a million-year time frame led to the consideration of a solution mining intrusion scenario. The AEGIS staff developed a specific human intrusion scenario at 100 years and 1000 years post-closure, which is one of a whole suite of possible scenarios. This scenario resulted in the delivery of radionuclidecontaminated brine to the surface, where a portion was diverted to culinary salt for direct ingestion by the existing population. Consequence analyses indicated calculated human doses that would be highly deleterious. Additional analyses indicated that doses well above background would occur from such a scenario t even if it occurred a million years into the future. The way to preclude such an intrusion is for continued control over the repository sitet either through direct institutional control or through the effective passive transfer of information. A secondary aspect of the specific human intrusion scenario involved a breach through the side of the salt dome t through which radionuclides migrated via the ground-water system to the accessible environment. This provided a demonstration of the geotransport methodology that AEGIS can use in actual site evaluations, as well as the WRIT program's capabilities with respect to defining the source term and retardation rates of the radionuclides in the repository. This reference site analysis was initially published as a Working Document in December 1979. That version was distributed for a formal peer review by individuals and organizations not involved in its development. The present report represents a revisiont based in part on the responses received from the external reviewers. Summaries of the comments from the reviewers and responses to these comments by the AEGIS staff are presented. The exercise of the AEGIS methodology was successful in demonstrating the methodologyt and thus t in providing a basis for substantive peer review, in terms of further development of the AEGIS site-applications capability and in terms of providing insight into the potential for consequential human intrusion into a salt dome repository.

  6. Assessment of Effectiveness of Geologic Isolation Systems: REFERENCE SITE INITIAL ASSESSMENT FOR A SALT DOME REPOSITORY

    SciTech Connect (OSTI)

    Harwell,, M. A.; Brandstetter,, A.; Benson,, G. L.; Raymond,, J. R.; Brandley,, D. J.; Serne,, R. J.; Soldat,, J. K.; Cole,, C. R.; Deutsch,, W. J.; Gupta,, S. K.; Harwell,, C. C.; Napier,, B. A.; Reisenauer,, A. E.; Prater,, L. S.; Simmons,, C. S.; Strenge,, D. L.; Washburn,, J. F.; Zellmer,, J. T.

    1982-06-01

    As a methodology demonstration for the Office of Nuclear Waste Isolation (ONWI), the Assessment of Effectiveness of Geologic Isolation Systems (AEGIS) Program conducted an initial reference site analysis of the long-term effectiveness of a salt dome repository. The Hainesville Salt Dome in Texas was chosen to be representative of the Gulf Coast interior salt domes; however, the Hainesville Site has been eliminated as a possible nuclear waste repository site. The data used for this exercise are not adequate for an actual assessment, nor have all the parametric analyses been made that would adequately characterize the response of the geosystem surrounding the repository. Additionally, because this was the first exercise of the complete AEGIS and WASTE Rock Interaction Technology (WRIT) methodology, this report provides the initial opportunity for the methodology, specifically applied to a site, to be reviewed by the community outside the AEGIS. The scenario evaluation, as a part of the methodology demonstration, involved consideration of a large variety of potentially disruptive phenomena, which alone or in concert could lead to a breach in a salt dome repository and to a subsequent transport of the radionuclides to the environment. Without waste- and repository-induced effects, no plausible natural geologic events or processes which would compromise the repository integrity could be envisioned over the one-million-year time frame after closure. Near-field (waste- and repository-induced) effects were excluded from consideration in this analysis, but they can be added in future analyses when that methodology development is more complete. The potential for consequential human intrusion into salt domes within a million-year time frame led to the consideration of a solution mining intrusion scenario. The AEGIS staff developed a specific human intrusion scenario at 100 years and 1000 years post-closure, which is one of a whole suite of possible scenarios. This scenario resulted in the delivery of radionuclidecontaminated brine to the surface, where a portion was diverted to culinary salt for direct ingestion by the existing population. Consequence analyses indicated calculated human doses that would be highly deleterious. Additional analyses indicated that doses well above background would occur from such a scenario t even if it occurred a million years into the future. The way to preclude such an intrusion is for continued control over the repository sitet either through direct institutional control or through the effective passive transfer of information. A secondary aspect of the specific human intrusion scenario involved a breach through the side of the salt dome t through which radionuclides migrated via the ground-water system to the accessible environment. This provided a demonstration of the geotransport methodology that AEGIS can use in actual site evaluations, as well as the WRIT program's capabilities with respect to defining the source term and retardation rates of the radionuclides in the repository. This reference site analysis was initially published as a Working Document in December 1979. That version was distributed for a formal peer review by individuals and organizations not involved in its development. The present report represents a revisiont based in part on the responses received from the external reviewers. Summaries of the comments from the reviewers and responses to these comments by the AEGIS staff are presented. The exercise of the AEGIS methodology was sUGcessful in demonstrating the methodologyt and thus t in providing a basis for substantive peer review, in terms of further development of the AEGIS site-applications capability and in terms of providing insight into the potential for consequential human intrusion into a salt dome repository.

  7. Session: Hot Dry Rock

    SciTech Connect (OSTI)

    Tennyson, George P. Jr.; Duchane, David V.; Ponden, Raymond F.; Brown, Donald W.

    1992-01-01

    This session at the Geothermal Energy Program Review X: Geothermal Energy and the Utility Market consisted of four presentations: ''Hot Dry Rock - Summary'' by George P. Tennyson, Jr.; ''HDR Opportunities and Challenges Beyond the Long Term Flow Test'' by David V. Duchane; ''Start-Up Operations at the Fenton Hill HDR Pilot Plant'' by Raymond F. Ponden; and ''Update on the Long-Term Flow Testing Program'' by Donald W. Brown.

  8. HBLED Hot Testing

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum12,ExecutiveFinancing Programs |Reference Station Design TaskHANFORDHBLED Hot

  9. Microstructural study and densification analysis of hot work tool steel matrix composites reinforced with TiB{sub 2} particles

    SciTech Connect (OSTI)

    Fedrizzi, A.; Pellizzari, M.; Zadra, M.; Marin, E.

    2013-12-15

    Hot work tool steels are characterized by good toughness and high hot hardness but are less wear resistant than other tooling materials, such as high speed steel. Metal matrix composites show improved tribological behavior, but not much work has been done in the field of hot work tool steels. In this paper TiB{sub 2}-reinforced hot work tool steel matrix composites were produced by spark plasma sintering (SPS). Mechanical alloying (MA) was proposed as a suited process to improve the composite microstructure. Density measurements and microstructure confirmed that MA promotes sintering and produces a fine and homogeneous dispersion of reinforcing particles. X-ray diffraction patterns of the sintered composites highlighted the formation of equilibrium Fe{sub 2}B and TiC, as predicted by thermodynamic calculations using Thermo-Calcģ software. Scanning electron microscopy as well as scanning Kelvin probe force microscopy highlighted the reaction of the steel matrix with TiB{sub 2} particles, showing the formation of a reaction layer at the TiB{sub 2}-steel interface. Phase investigations pointed out that TiB{sub 2} is not chemically stable in steel matrix because of the presence of carbon even during short time SPS. - Highlights: ē TiB{sub 2} reinforced steel matrix composites were produced by spark plasma sintering. ē TiB{sub 2} was successfully dispersed in the steel matrix by mechanical alloying. ē Steel and TiB{sub 2} react during sintering forming equilibrium Fe{sub 2}B and TiC. ē The new phases were investigated by means of AFM, Volta potential and XRD analyses.

  10. The Thermal Environment of the Fiber Glass Dome for the New Solar Telescope at Big Bear Solar Observatory

    E-Print Network [OSTI]

    A. P. Verdoni; C. Denker; J. R. Varsik; S. Shumko; J. Nenow; R. Coulter

    2007-08-04

    The New Solar Telescope (NST) is a 1.6-meter off-axis Gregory-type telescope with an equatorial mount and an open optical support structure. To mitigate the temperature fluctuations along the exposed optical path, the effects of local/dome-related seeing have to be minimized. To accomplish this, NST will be housed in a 5/8-sphere fiberglass dome that is outfitted with 14 active vents evenly spaced around its perimeter. The 14 vents house louvers that open and close independently of one another to regulate and direct the passage of air through the dome. In January 2006, 16 thermal probes were installed throughout the dome and the temperature distribution was measured. The measurements confirmed the existence of a strong thermal gradient on the order of 5 degree Celsius inside the dome. In December 2006, a second set of temperature measurements were made using different louver configurations. In this study, we present the results of these measurements along with their integration into the thermal control system (ThCS) and the overall telescope control system (TCS).

  11. Strategic Petroleum Reserve (SPR) additional geologic site characterization studies, Bayou Choctaw salt dome, Louisiana

    SciTech Connect (OSTI)

    Neal, J.T. [Sandia National Labs., Albuquerque, NM (United States); Magorian, T.R. [Magorian (Thomas R.), Amherst, NY (United States); Byrne, K.O.; Denzler, S. [Acres International Corp., Amherst, NY (United States)

    1993-09-01

    This report revises and updates the geologic site characterization report that was published in 1980. Revised structure maps and sections show interpretative differences in the dome shape and caprock structural contours, especially a major east-west trending shear zone, not mapped in the 1980 report. Excessive gas influx in Caverns 18 and 20 may be associated with this shear zone. Subsidence values at Bayou Choctaw are among the lowest in the SPR system, averaging only about 10 mm/yr but measurement and interpretation issues persist, as observed values often approximate measurement accuracy. Periodic, temporary flooding is a continuing concern because of the low site elevation (less than 10 ft), and this may intensify as future subsidence lowers the surface even further. Cavern 4 was re-sonared in 1992 and the profiles suggest that significant change has not occurred since 1980, thereby reducing the uncertainty of possible overburden collapse -- as occurred at Cavern 7 in 1954. Other potential integrity issues persist, such as the proximity of Cavern 20 to the dome edge, and the narrow web separating Caverns 15 and 17. Injection wells have been used for the disposal of brine but have been only marginally effective thus far; recompletions into more permeable lower Pleistocene gravels may be a practical way of increasing injection capacity and brinefield efficiency. Cavern storage space is limited on this already crowded dome, but 15 MMBBL could be gained by enlarging Cavern 19 and by constructing a new cavern beneath and slightly north of abandoned Cavern 13. Environmental issues center on the low site elevation: the backswamp environment combined with the potential for periodic flooding create conditions that will require continuing surveillance.

  12. Strategic Petroleum Reserve (SPR) additional geologic site characterization studies, Bryan Mound Salt Dome, Texas

    SciTech Connect (OSTI)

    Neal, J.T.; Magorian, T.R.; Ahmad, S.

    1994-11-01

    This report revises the original report that was published in 1980. Some of the topics covered in the earlier report were provisional and it is now practicable to reexamine them using new or revised geotechnical data and that obtained from SPR cavern operations, which involves 16 new caverns. Revised structure maps and sections show interpretative differences as compared with the 1980 report and more definition in the dome shape and caprock structural contours, especially a major southeast-northwest trending anomalous zone. The original interpretation was of westward tilt of the dome, this revision shows a tilt to the southeast, consistent with other gravity and seismic data. This interpretation refines the evaluation of additional cavern space, by adding more salt buffer and allowing several more caverns. Additional storage space is constrained on this nearly full dome because of low-lying peripheral wetlands, but 60 MMBBL or more of additional volume could be gained in six or more new caverns. Subsidence values at Bryan Mound are among the lowest in the SPR system, averaging about 11 mm/yr (0.4 in/yr), but measurement and interpretation issues persist, as observed values are about the same as survey measurement accuracy. Periodic flooding is a continuing threat because of the coastal proximity and because peripheral portions of the site are at elevations less than 15 ft. This threat may increase slightly as future subsidence lowers the surface, but the amount is apt to be small. Caprock integrity may be affected by structural features, especially the faulting associated with anomalous zones. Injection wells have not been used extensively at Bryan Mound, but could be a practicable solution to future brine disposal needs. Environmental issues center on the areas of low elevation that are below 15 feet above mean sea level: the coastal proximity and lowland environment combined with the potential for flooding create conditions that require continuing surveillance.

  13. Hot cell examination table

    DOE Patents [OSTI]

    Gaal, Peter S. (Monroeville, PA); Ebejer, Lino P. (Weston, MA); Kareis, James H. (Slickville, PA); Schlegel, Gary L. (McKeesport, PA)

    1991-01-01

    A table for use in a hot cell or similar controlled environment for use in examining specimens. The table has a movable table top that can be moved relative to a table frame. A shaft is fixedly mounted to the frame for axial rotation. A shaft traveler having a plurality of tilted rollers biased against the shaft is connected to the table top such that rotation of the shaft causes the shaft traveler to roll along the shaft. An electromagnetic drive is connected to the shaft and the frame for controllably rotating the shaft.

  14. Hot Plate Station

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (JournalvivoHigh energyHighland ViewdefaultJulySeptemberMovingHot Plate

  15. Relationships between size-fractionated indoor and outdoor trace elements at four retirement communities in southern California

    E-Print Network [OSTI]

    Polidori, A.; Cheung, K. L; Arhami, M.; Delfino, R. J; Schauer, J. J; Sioutas, C.

    2009-01-01

    US: Chemical Characteris- tics of PM2.5 during the Winter ofParticulate Matter in Domes- tic Homes with Roadside, Urbanand specific PM characteris- tics (particle size and number

  16. Agricultural and Resource Economics Update

    E-Print Network [OSTI]

    2011-01-01

    between local and non-local tics in an effort to discoverFor example, most domes- tic market segments have relativelyhave three characteris- tics relevant to disease evolution:

  17. Solar Physics and the Solar-Stellar Connection at Dome C

    E-Print Network [OSTI]

    C. Denker; K. G. Strassmeier

    2007-12-10

    Solar magnetic fields evolve on many time-scales, e.g., the generation, migration, and dissipation of magnetic flux during the 22-year magnetic cycle of the Sun. Active regions develop and decay over periods of weeks. The build-up of magnetic shear in active regions can occur within less than a day. At the shortest time-scales, the magnetic field topology can change rapidly within a few minutes as the result of eruptive events such as flares, filament eruptions, and coronal mass ejections. The unique daytime seeing characteristics at Dome C, i.e., continuous periods of very good to excellent seeing during almost the entire Antarctic summer, allow us to address many of the top science cases related to the evolution of solar magnetic fields. We introduce the Advanced Solar Photometric Imager and Radiation Experiment and present the science cases for synoptic solar observations at Dome C. Furthermore, common science cases concerning the solar-stellar connection are discussed in the context of the proposed International Concordia Explorer Telescope.

  18. Potential radiological exposure rates resulting from hypothetical dome failure at Tank W-10

    SciTech Connect (OSTI)

    Not Available

    1994-07-01

    The main plant area at Oak Ridge National Laboratory (ORNL) contains 12 buried Gunite tanks that were used for the storage and transfer of liquid radioactive waste. Although the tanks are no longer in use, they are known to contain some residual contaminated sludges and liquids. In the event of an accidental tank dome failure, however unlikely, the liquids, sludges, and radioactive contaminants within the tank walls themselves could create radiation fields and result in above-background exposures to workers nearby. This Technical Memorandum documents a series of calculations to estimate potential radiological exposure rates and total exposures to workers in the event of a hypothetical collapse of a Gunite tank dome. Calculations were performed specifically for tank W-10 because it contains the largest radioactivity inventory (approximately half of the total activity) of all the Gunite tanks. These calculations focus only on external, direct gamma exposures for prescribed, hypothetical exposure scenarios and do not address other possible tank failure modes or routes of exposure. The calculations were performed with established, point-kernel gamma ray modeling codes.

  19. Hot hollow cathode gun assembly

    DOE Patents [OSTI]

    Zeren, J.D.

    1983-11-22

    A hot hollow cathode deposition gun assembly includes a hollow body having a cylindrical outer surface and an end plate for holding an adjustable heat sink, the hot hollow cathode gun, two magnets for steering the plasma from the gun into a crucible on the heat sink, and a shutter for selectively covering and uncovering the crucible.

  20. Spectral Modeling Hot Star Winds

    E-Print Network [OSTI]

    Cohen, David

    Spectral Modeling of X-Rays from Hot Star Winds Emma Wollman Advisor: David Cohen #12;Hot Stars ∑∑ Short-livedShort-lived (~ 1-10 million yrs)(~ 1-10 million yrs) #12;Stellar Winds ∑ Net momentum ∑ More luminosity !"stronger wind ∑ Mass-loss rate determines the fate of the star #12;X-ray Production

  1. Water Heaters and Hot Water Distribution Systems

    E-Print Network [OSTI]

    Lutz, Jim

    2012-01-01

    in order to reduce the water and energy wasted in hot waterhot water) and 17% if hot water energy is included. The datafrom the delivered hot water energy of 66% to provide the

  2. EIS-0021: Strategic Petroleum Reserve, Seaway Group Salt Domes, Brazoria County, Texas (also see EIS-0075-S and EIS-0029)

    Broader source: Energy.gov [DOE]

    The U.S. Department of Energy's Strategic Petroleum Reserve Office developed this statement to analyze the environmental impacts which would occur during site preparation and operation of oil storage facilities at each of five proposed candidate sites in the Seaway Group of salt domes.

  3. Tirocinio Formativo Attivo: il Laboratorio Pedagogico Didattico TIC della Classe A049 nell'Ateneo di Palermo

    E-Print Network [OSTI]

    Lupo, Lucia

    2015-01-01

    We discuss the organization of the course of Laboratorio Pedagogico Didattico TIC of the Tirocinio Formativo Attivo at the University of Palermo. The course takes into account the development of information and communication technologies both for the management/administration of school and their application in Mathematics and Physics education. In particular, we will discuss in detail the various possibilities of renewing the teaching given by communication and sharing tools of web 2.0, the use of the digital whiteboard, and the use of technologies in Mathematics and Physics laboratories, up to the use of multimedia mobile devices as experimental tools.

  4. C-105 heel pit removed and C-105 dome cut paves way for new retrieval technology

    SciTech Connect (OSTI)

    Mackey, Thomas C.; Sutey, Michael J.

    2013-06-10

    For just the second time, crews have cut a hole in the top of an active radioactive waste storage tank at Hanford. Workers began cutting a 55-inch hole in the top of Tank C-105 last Tuesday night on graveyard shift, completing the cut early Wednesday. The hole will allow for installation of the Mobile Arm Retrieval System (MARS) Vacuum into the tank. The cut was made through 17 inches of concrete and rebar using the newly developed rotary-core cutting system, which uses a laser-guided steel canister with teeth on the bottom to drill a round hole into the tank dome. The project was completed safely and successfully in a high-rad area without contamination or significant dose to workers.

  5. Dome-like variation of the superconducting gap anisotropy in Fe-based superconductors

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

    Prozorov, Ruslan; Cho, Kyuil; Kim, Hyong June; Tanatar, Makariy

    2013-07-17

    Experiments performed on different iron-based superconductors suggest a variety of possible structures of the superconducting energy gap, both nodeless and nodal. To understand the pairing mechanisms, it is important to identify common features in the behavior of different materials. Measurements of the temperature - dependent London penetration depth provide important information on the structure of the superconducting gap. We show that despite significant differences between different iron - based superconductors, there is a universal trend: the gap is least anisotropic at the optimal doping and its anisotropy increases upon the departure towards underdoped and overdoped ends of the ''superconducting dome''.more†ĽThis trend is not related to the presence of the long-range magnetic order in the underdoped state.ę†less

  6. Geologic technical assessment of the Richton salt dome, Mississippi, for potential expansion of the U.S. strategic petroleum reserve.

    SciTech Connect (OSTI)

    Snider, Anna C.; Rautman, Christopher Arthur; Looff, Karl M. (Geologic Consultant)

    2006-01-01

    Technical assessment and remodeling of existing data indicates that the Richton salt dome, located in southeastern Mississippi, appears to be a suitable site for expansion of the U.S. Strategic Petroleum Reserve. The maximum area of salt is approximately 7 square miles, at a subsurface elevation of about -2000 ft, near the top of the salt stock. Approximately 5.8 square miles of this appears suitable for cavern development, because of restrictions imposed by modeled shallow salt overhang along several sides of the dome. The detailed geometry of the overhang currently is only poorly understood. However, the large areal extent of the Richton salt mass suggests that significant design flexibility exists for a 160-million-barrel storage facility consisting of 16 ten-million-barrel caverns. The dome itself is prominently elongated from northwest to southeast. The salt stock appears to consist of two major spine features, separated by a likely boundary shear zone trending from southwest to northeast. The dome decreases in areal extent with depth, because of salt flanks that appear to dip inward at 70-80 degrees. Caprock is present at depths as shallow as 274 ft, and the shallowest salt is documented at -425 ft. A large number of existing two-dimensional seismic profiles have been acquired crossing, and in the vicinity of, the Richton salt dome. At least selected seismic profiles should be acquired, examined, potentially reprocessed, and interpreted in an effort to understand the limitations imposed by the apparent salt overhang, should the Richton site be selected for actual expansion of the Reserve.

  7. The decay of hot nuclei

    SciTech Connect (OSTI)

    Moretto, L.G.; Wozniak, G.J.

    1988-11-01

    The formation of hot compound nuclei in intermediate-energy heavy ion reactions is discussed. The statistical decay of such compound nuclei is responsible for the abundant emission of complex fragments and high energy gamma rays. 43 refs., 23 figs.

  8. Hot carrier diffusion in graphene

    E-Print Network [OSTI]

    Ruzicka, Brian Andrew; Wang, Shuai; Werake, Lalani Kumari; Weintrub, Ben; Loh, Kian Ping; Zhao, Hui

    2010-11-01

    We report an optical study of charge transport in graphene. Diffusion of hot carriers in epitaxial graphene and reduced graphene oxide samples are studied using an ultrafast pump-probe technique with a high spatial resolution. Spatiotemporal...

  9. Hot Pot Detail - Evidence of Quaternary Faulting

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

    Lane, Michael

    2013-06-27

    Compilation of published data, field observations and photo interpretation relevant to Quaternary faulting at Hot Pot.

  10. Hot Pot Detail - Evidence of Quaternary Faulting

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

    Lane, Michael

    Compilation of published data, field observations and photo interpretation relevant to Quaternary faulting at Hot Pot.

  11. Datacentres coresponsables -Forum TIC -ATEN -4 juin 2014, boutherin@lpsc.in2p3.fr Groupement De Service soutenu par deux dpartements scientifiques du CNRS INS2I (Informatique), INEE (Ecologie et

    E-Print Network [OSTI]

    van Tiggelen, Bart

    Datacentres ťcoresponsables - Forum TIC - ATEN - 4 juin 2014, boutherin@lpsc.in2p3.fr 1 #12, pollution Datacentres - actions de sensibilisation - conseils, expertises sur les aspects ťnergťtiques des datacentres - formations, sťminaires Datacentres ťcoresponsables - Forum TIC - ATEN - 4 juin 2014, boutherin

  12. EIS-0024: Strategic Petroleum Reserve, Capline Group Salt Domes, Iberia, Napoleonville, Weeks Island Expansion, Bayou Choctaw Expansion, Chacahoula- Iberia, Iberville, and Lafourche Parishes, Louisiana

    Broader source: Energy.gov [DOE]

    The Strategic Petroleum Reserves developed this EIS to analyze the environmental impacts which would occur during site preparation and operation of oil storage facilities at each of five proposed candidate sites in the Capline Group of salt domes.

  13. Vegetation Patterns 25 Years after the Eruption In September 2004, Mount St. Helens commenced a renewed phase of dome-building activity that has

    E-Print Network [OSTI]

    del Moral, Roger

    , steam and ash have been released in several events, and a second dome is forming between the existing prone to repeated flooding compared to vegetation described in 1992 (del Moral, et al. 1995). We sampled

  14. Analysis and testing of the HP-R-214 dome monitor cable from Three Mile Island Unit 2

    SciTech Connect (OSTI)

    Richards, E.H.; Dandini, V.J.

    1986-03-01

    After the accident at Three Mile Island, Unit 2, two sections of a cable connected to the HP-R-214 dome monitor were removed for testing. One section had been directly exposed to the accident environment: the other had been installed in conduit. In addition, an unused section of cable, which was from the same reel as the dome monitor cable, was available as a control sample. These three sections were subjected to material tests, including density profiling, tensile-strength and elongation tests, and chemical analyses, to assess the effect of the accident on the cable and to identify whether any differences existed between the in-conduit and out-of-conduit sections.

  15. Hot conditioning equipment conceptual design report

    SciTech Connect (OSTI)

    Bradshaw, F.W., Westinghouse Hanford

    1996-08-06

    This report documents the conceptual design of the Hot Conditioning System Equipment. The Hot conditioning System will consist of two separate designs: the Hot Conditioning System Equipment; and the Hot Conditioning System Annex. The Hot Conditioning System Equipment Design includes the equipment such as ovens, vacuum pumps, inert gas delivery systems, etc.necessary to condition spent nuclear fuel currently in storage in the K Basins of the Hanford Site. The Hot Conditioning System Annex consists of the facility of house the Hot Conditioning System. The Hot Conditioning System will be housed in an annex to the Canister Storage Building. The Hot Conditioning System will consist of pits in the floor which contain ovens in which the spent nuclear will be conditioned prior to interim storage.

  16. Hot Gas Halos in Galaxies

    SciTech Connect (OSTI)

    Mulchaey, John S. [Carnegie Observatories (United States); Jeltema, Tesla E. [UCO/Lick Observatories (United States)

    2010-06-08

    We use Chandra and XMM-Newton to study how the hot gas content in early-type galaxies varies with environment. We find that the L{sub X}-L{sub K} relationship is steeper for field galaxies than for comparable galaxies in groups and clusters. This suggests that internal processes such as supernovae driven winds or AGN feedback may expel hot gas from low mass field galaxies. Such mechanisms are less effective in groups and clusters where the presence of an intragroup or intracluster medium may confine outflowing material.

  17. Hot Spot | Open Energy Information

    Open Energy Info (EERE)

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

  18. Hot Springs | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsource History View NewGuam: Energyarea,Magazine Jump to:II Wind FarmHorstHotHotSprings

  19. In situ radioglaciological measurements near Taylor Dome, Antarctica and implications for UHE neutrino astronomy

    E-Print Network [OSTI]

    D. Besson; J. Jenkins; S. Matsuno; J. Nam; M. Smith; S. W. Barwick; J. J. Beatty; W. R. Binns; C. Chen; P. Chen; J. M. Clem; A. Connolly; P. F. Dowkontt; M. A. DuVernois; R. C. Field; D. Goldstein; P. W. Gorham; A. Goodhue; C. Hast; C. L. Hebert; S. Hoover; M. H. Israel; J. Kowalski; J. G. Learned; K. M. Liewer; J. T. Link; E. Lusczek; B. Mercurio; C. Miki; P. Miocinovic; C. J. Naudet; J. Ng; R. Nichol; K. Palladino; K. Reil; A. Romero-Wolf; M. Rosen; L. Ruckman; D. Saltzberg; D. Seckel; G. S. Varner; D. Walz; F. Wu

    2008-10-07

    Radiowave detection of the Cherenkov radiation produced by neutrino-ice collisions requires an understanding of the radiofrequency (RF) response of cold polar ice. We herein report on a series of radioglaciological measurements performed approximately 10 km north of Taylor Dome Station, Antarctica from Dec. 6, 2006 - Dec. 16, 2006. Using RF signals broadcast from: a) an englacial discone, submerged to a depth of 100 meters and broadcasting to a surface dual polarization horn receiver, and b) a dual-polarization horn antenna on the surface transmitting signals which reflect off the underlying bed and back up to the surface receiver, we have made time-domain estimates of both the real (index-of-refraction) and imaginary (attenuation length) components of the complex ice dielectric constant. We have also measured the uniformity of ice response along two orthogonal axes in the horizontal plane. We observe a wavespeed asymmetry of order 0.1%, projected onto the vertical propagation axis, consistent with some previous measurements, but somewhat lower than others.

  20. In situ radioglaciological measurements near Taylor Dome, Antarctica and implications for UHE neutrino astronomy

    E-Print Network [OSTI]

    Besson, D; Matsuno, S; Nam, J; Smith, M

    2007-01-01

    Radiowave detection of the Cherenkov radiation produced by neutrino-ice collisions requires an understanding of the radiofrequency (RF) response of cold polar ice. We herein report on a series of radioglaciological measurements performed approximately 10 km north of Taylor Dome Station, Antarctica from Dec. 6, 2006 - Dec. 16, 2006. Using RF signals broadcast from: a) an englacial discone, submerged to a depth of 100 meters and broadcasting to a surface dual polarization horn receiver, and b) a dual-polarization horn antenna on the surface transmitting signals which reflect off the underlying bed and back up to the surface receiver, we have made time-domain estimates of both the real (index-of-refraction) and imaginary (attenuation length) components of the complex ice dielectric constant. We have also measured the uniformity of ice response along two orthogonal axes in the horizontal plane. We observe a wavespeed asymmetry of order 0.1%, projected onto the vertical propagation axis, consistent with some previ...

  1. RIVERTON DOME GAS EXPLORATION AND STIMULATION TECHNOLOGY DEMONSTRATION, WIND RIVER BASIN, WYOMING

    SciTech Connect (OSTI)

    Ronald C. Surdam; Zunsheng Jiao; Nicholas K. Boyd

    1999-11-01

    The new exploration technology for basin center gas accumulations developed by R.C. Surdam and Associates at the Institute for Energy Research, University of Wyoming, was applied to the Riverton Dome 3-D seismic area. Application of the technology resulted in the development of important new exploration leads in the Frontier, Muddy, and Nugget formations. The new leads are adjacent to a major north-south trending fault, which is downdip from the crest of the major structure in the area. In a blind test, the drilling results from six new Muddy test wells were accurately predicted. The initial production values, IP, for the six test wells ranged from < one mmcf/day to four mmcf/day. The three wells with the highest IP values (i.e., three to four mmcf/day) were drilled into an intense velocity anomaly (i.e., anomalously slow velocities). The well drilled at the end of the velocity anomaly had an IP value of one mmcf/day, and the two wells drilled outside of the velocity anomaly had IP values of < one mmcf/day and are presently shut in. Based on these test results, it is concluded that the new IER exploration strategy for detecting and delineating commercial, anomalously pressured gas accumulation is valid in the southwestern portions of the Wind River Basin, and can be utilized to significantly reduce exploration risk and to increase profitability of so-called basin center gas accumulations.

  2. Threat of a sinkhole: A reevaluation of Cavern 4, Bayou Choctaw salt dome, Louisiana

    SciTech Connect (OSTI)

    Neal, J.T.; Todd, J.L.; Linn, J.K. [Sandia National Labs., Albuquerque, NM (United States); Magorian, T.R. [Magorian (Thomas R.), Amherst, NY (United States)

    1993-09-01

    Cavern Lake at Bayou Choctaw salt dome resulted from the failure of Cavern 7 in 1954. Uncontrolled solutioning of this cavern through the thin caprock had set the stage for overburden to collapse into the cavern below. A similar situation developed with nearby Cavern 4, but with less dissolutioning of the caprock. Because pressure loss was already a problem and because another 800 ft diameter lake would have endangered surface operations, solutioning of Cavern 4 was stopped and the cavern abandoned in 1957 in order to protect the already-small site. In 1978 the Strategic Petroleum Reserve (SPR) acquired a number of caverns at Bayou Choctaw, including Cavern 4, and the possible repeat of the Cavern 7 failure and formation of another lake thus became an issue. The cavern dimensions were re-sonared in 1980 for comparison with 1963 and 1977 surveys. Annual surface leveling between 1982--1992 showed less subsidence occurring than the site average, and a cavern monitoring system, installed in 1984, has revealed no anomalous motion. Repeat sonar surveys in 1992 showed very little, if any, change occurred since 1980 although a small amount of uncertainty exists as a result of changing sonar techniques. We conclude that significant additional solutioning or erosion of the caprock has not occurred and that there is no increased threat to SPR operations.

  3. Alpha Gamma Hot Cell Facility

    E-Print Network [OSTI]

    Kemner, Ken

    . These operations can result in elevated radiological risks to the facility and workers. ARG-US -- meaning and should be developed for and deployed in nuclear and radiological facilities to aid operation and reduceAlpha Gamma Hot Cell Facility Argonne National Laboratory is a U.S. Department of Energy laboratory

  4. Stratification in hot water tanks

    SciTech Connect (OSTI)

    Balcomb, J.D.

    1982-04-01

    Stratification in a domestic hot water tank, used to increase system performance by enabling the solar collectors to operate under marginal conditions, is discussed. Data taken in a 120 gallon tank indicate that stratification can be achieved without any special baffling in the tank. (MJF)

  5. Commonwealth Solar Hot Water Residential Program

    Broader source: Energy.gov [DOE]

    Since February 2011, the Massachusetts Clean Energy Center (MassCEC) has provided rebates for the installation of residential solar hot water systems through the Commonwealth Solar Hot Water Prog...

  6. Solar Works in Seattle: Domestic Hot Water

    Office of Energy Efficiency and Renewable Energy (EERE)

    Seattle's residential solar hot water workshop. Content also covers general solar resource assessment, siting, and financial incentives.

  7. Hot atom chemistry and radiopharmaceuticals

    SciTech Connect (OSTI)

    Krohn, Kenneth A.; Moerlein, Stephen M.; Link, Jeanne M.; Welch, Michael J.

    2012-12-19

    The chemical products made in a cyclotron target are a combined result of the chemical effects of the nuclear transformation that made the radioactive atom and the bulk radiolysis in the target. This review uses some well-known examples to understand how hot atom chemistry explains the primary products from a nuclear reaction and then how radiation chemistry is exploited to set up the optimal product for radiosynthesis. It also addresses the chemical effects of nuclear decay. There are important principles that are common to hot atom chemistry and radiopharmaceutical chemistry. Both emphasize short-lived radionuclides and manipulation of high specific activity nuclides. Furthermore, they both rely on radiochromatographic separation for identification of no-carrieradded products.

  8. Cool Stars in Hot Places

    E-Print Network [OSTI]

    S. T. Megeath; E. Gaidos; J. J. Hester; F. C. Adams; J. Bally; J. -E. Lee; S. Wolk

    2007-04-08

    During the last three decades, evidence has mounted that star and planet formation is not an isolated process, but is influenced by current and previous generations of stars. Although cool stars form in a range of environments, from isolated globules to rich embedded clusters, the influences of other stars on cool star and planet formation may be most significant in embedded clusters, where hundreds to thousands of cool stars form in close proximity to OB stars. At the cool stars 14 meeting, a splinter session was convened to discuss the role of environment in the formation of cool stars and planetary systems; with an emphasis on the ``hot'' environment found in rich clusters. We review here the basic results, ideas and questions presented at the session. We have organized this contribution into five basic questions: what is the typical environment of cool star formation, what role do hot star play in cool star formation, what role does environment play in planet formation, what is the role of hot star winds and supernovae, and what was the formation environment of the Sun? The intention is to review progress made in addressing each question, and to underscore areas of agreement and contention.

  9. They Came From the Deep in the Supernova: The Origin of TiC and Metal Subgrains in Presolar Graphite Grains

    E-Print Network [OSTI]

    Katharina Lodders

    2006-06-27

    A new formation scenario for TiC and Fe,Ni-metal inclusions in presolar graphite grains of supernova origin is described. The mineralogy and chemistry require condensation of (Fe,Ni)-titanides from Fe, Ni, and Ti-rich gaseous ejecta, subsequent carburization to make TiC and metal, and encapsulation into graphite. Titanides only condense if Si is depleted relative to heavier mass elements, which requires alpha-rich freeze-out and a deep mass-cut for the supernova ejecta. This Si-poor core material must remain unmixed with other supernova zones until the titanides condensed. This can be accomplished by transport of core ejecta in bipolar jets through the major expanding supernova zone ejecta. If the jets stall in regions dominated by C-rich ejecta such as C-He zone where graphite condenses, thermochemically favored in situ carburization of the titanides - either before or during encapsulation into condensing graphite - leads to a TiC and metal composite. This scenario agrees with theoretical models and observations of asymmetric core collapse in supernovae that are associated with bipolar jets loaded with iron-peak elements.

  10. Image Storage in Hot Vapors

    E-Print Network [OSTI]

    L. Zhao; T. Wang; Y. Xiao; S. F. Yelin

    2007-10-22

    We theoretically investigate image propagation and storage in hot atomic vapor. A $4f$ system is adopted for imaging and an atomic vapor cell is placed over the transform plane. The Fraunhofer diffraction pattern of an object in the object plane can thus be transformed into atomic Raman coherence according to the idea of ``light storage''. We investigate how the stored diffraction pattern evolves under diffusion. Our result indicates, under appropriate conditions, that an image can be reconstructed with high fidelity. The main reason for this procedure to work is the fact that diffusion of opposite-phase components of the diffraction pattern interfere destructively.

  11. Foldable dome climate measurements and thermal properties Guus Sliepena,b, Aswin P.L. Jagersa,b, Robert H. Hammerschlaga, and Felix C.M. Bettonvila,b

    E-Print Network [OSTI]

    Rutten, Rob

    and the GREGOR telescope on Tenerife.6 In addition, we have measured the wind field around each dome. Although-shaped building. These differences result in large differences in temperature and humidity insulation when fluctuations at the sites of the domes. It was observed that on small time scales the temperature fluctuations

  12. Geothermal resistivity resource evaluation survey Waunita Hot...

    Open Energy Info (EERE)

    Geothermal resistivity resource evaluation survey Waunita Hot Springs project, Gunnison County, Colorado Jump to: navigation, search OpenEI Reference LibraryAdd to library Report:...

  13. Covered Product Category: Hot Food Holding Cabinets

    Broader source: Energy.gov [DOE]

    The Federal Energy Management Program (FEMP) provides acquisition guidance for hot food holding cabinets, which are covered by the ENERGY STAR program.

  14. Paleomagnetic Measurements At Roosevelt Hot Springs Geothermal...

    Open Energy Info (EERE)

    Hot Springs Geothermal Area. Notes Paleomagnetic dating performed by Brown (1977) on opal samples in order to date the age of the hydrothermal system. The results were highly...

  15. Hot Outflows in Galaxy Clusters

    E-Print Network [OSTI]

    Kirkpatrick, C C

    2015-01-01

    The gas-phase metallicity distribution has been analyzed for the hot atmospheres of 29 galaxy clusters using {\\it Chandra X-ray Observatory} observations. All host brightest cluster galaxies (BCGs) with X-ray cavity systems produced by radio AGN. We find high elemental abundances projected preferentially along the cavities of 16 clusters. The metal-rich plasma was apparently lifted out of the BCGs with the rising X-ray cavities (bubbles) to altitudes between twenty and several hundred kiloparsecs. A relationship between the maximum projected altitude of the uplifted gas (the "iron radius") and jet power is found with the form $R_{\\rm Fe} \\propto P_{\\rm jet}^{0.45}$. The estimated outflow rates are typically tens of solar masses per year but exceed $100 ~\\rm M_\\odot ~yr^{-1}$ in the most powerful AGN. The outflow rates are 10% to 20% of the cooling rates, and thus alone are unable to offset a cooling inflow. Nevertheless, hot outflows effectively redistribute the cooling gas and may play a significant role at ...

  16. Hot Jupiters: Lands of Plenty

    E-Print Network [OSTI]

    David Charbonneau

    2005-11-22

    In late August 2005, 80 researchers from more than 15 countries convened for a 4-day conference entitled ``The Tenth Anniversary of 51 Peg b: Status and Prospects for Hot Jupiter Studies''. The meeting was held at l'Observatoire de Haute-Provence, the location of the 1.93-m telescope and ELODIE spectrograph used to discover the planetary companion to 51 Peg roughly 10 years ago. I summarize several dominant themes that emerged from the meeting, including (i) recent improvements in the precision of radial velocity measurements of nearby, Sun-like stars, (ii) the continued value of individual, newly-discovered planets of novel character to expand the parameter space with which the theory must contend, and (iii) the crucial role of space-based observatories in efforts to characterize hot Jupiter planets. I also present the returns of an informal poll of the conference attendees conducted on the last day of the meeting, which may be amusing to revisit a decade hence.

  17. Textures, water content and degassing of silicic andesites from recent plinian and dome-forming eruptions at Mount Pele volcano (Martinique,

    E-Print Network [OSTI]

    Paris-Sud XI, Universitť de

    Textures, water content and degassing of silicic andesites from recent plinian and dome contents (glass inclusions in phenocrysts and matrix glasses) and microtextures. Water contents of glass-eruptive melt water content (i.e., 5.3≠ 6.3 wt.%), whereas they are much lower in the dominant pelean

  18. Transport Processes in a Salt-Dome Environment We consider coupled subsurface flow and transport within a vertical cross section of a

    E-Print Network [OSTI]

    Kornhuber, Ralf

    Transport Processes in a Salt-Dome Environment ≠ B ≠ We consider coupled subsurface flow). (1) How is the conductive temperature distribution affected by the thermal conductivity of the salt in the simulation? In particular, compare the flow direction along the salt flanks. #12;Model domain No vertical

  19. ISET Journal of Earthquake Technology, Paper No. 462, Vol. 42, No. 4, December 2005, pp. 147-158 A HUGE SAND DOME FORMED BY THE 1854 EARTHQUAKE

    E-Print Network [OSTI]

    Gupta, Vinay Kumar

    ISET Journal of Earthquake Technology, Paper No. 462, Vol. 42, No. 4, December 2005, pp. 147-158 A HUGE SAND DOME FORMED BY THE 1854 EARTHQUAKE TSUNAMI IN SURUGA BAY, CENTRAL JAPAN Daisuke Sugawara University, Chiyoda-ku 102-8251, Japan ABSTRACT The 1854 Ansei-Tokai earthquake brought massive destruction

  20. GEOPHYSICAL RESEARCH LETTERS, VOL. 28, NO. 22, PAGES 4243-4246, NOVEMBER 15, 2001 A tentative chronology for the EPICA Dome Concordia

    E-Print Network [OSTI]

    Schwander, Jakob

    chronology for the EPICA Dome Concordia ice core Jakob Schwander,1 Jean Jouzel,2 Claus U. Hammer,3 Jean-Robert Petit,4 Roberto Udisti,5 Eric Wolff,6 Abstract. A tentative age scale (EDC1) for the last 45 kyr by analyzing samples of the core. There exist numerous methods for dat- ing ice cores [Hammer et al., 1978

  1. Where can I go to report an incident of sexual assault, da6ng violence, domes6c violence, sexual harassment, or stalking?

    E-Print Network [OSTI]

    Snider, Barry B.

    Where can I go to report an incident of sexual assault, da6ng violence confiden3al repor3ng and private but not confiden3al? When you disclose an incident involving sexual assault, da6ng violence, domes6c violence, sexual harassment

  2. Ceramic hot-gas filter

    DOE Patents [OSTI]

    Connolly, E.S.; Forsythe, G.D.; Domanski, D.M.; Chambers, J.A.; Rajendran, G.P.

    1999-05-11

    A ceramic hot-gas candle filter is described having a porous support of filament-wound oxide ceramic yarn at least partially surrounded by a porous refractory oxide ceramic matrix, and a membrane layer on at least one surface thereof. The membrane layer may be on the outer surface, the inner surface, or both the outer and inner surface of the porous support. The membrane layer may be formed of an ordered arrangement of circularly wound, continuous filament oxide ceramic yarn, a ceramic filler material which is less permeable than the filament-wound support structure, or some combination of continuous filament and filler material. A particularly effective membrane layer features circularly wound filament with gaps intentionally placed between adjacent windings, and a filler material of ceramic particulates uniformly distributed throughout the gap region. The filter can withstand thermal cycling during back pulse cleaning and is resistant to chemical degradation at high temperatures.

  3. Ceramic hot-gas filter

    DOE Patents [OSTI]

    Connolly, Elizabeth Sokolinski (Wilmington, DE); Forsythe, George Daniel (Landenberg, PA); Domanski, Daniel Matthew (New Castle, DE); Chambers, Jeffrey Allen (Hockessin, DE); Rajendran, Govindasamy Paramasivam (Boothwyn, PA)

    1999-01-01

    A ceramic hot-gas candle filter having a porous support of filament-wound oxide ceramic yarn at least partially surrounded by a porous refractory oxide ceramic matrix, and a membrane layer on at least one surface thereof. The membrane layer may be on the outer surface, the inner surface, or both the outer and inner surface of the porous support. The membrane layer may be formed of an ordered arrangement of circularly wound, continuous filament oxide ceramic yarn, a ceramic filler material which is less permeable than the filament-wound support structure, or some combination of continuous filament and filler material. A particularly effective membrane layer features circularly wound filament with gaps intentionally placed between adjacent windings, and a filler material of ceramic particulates uniformly distributed throughout the gap region. The filter can withstand thermal cycling during backpulse cleaning and is resistant to chemical degradation at high temperatures.

  4. HotSpot Software Configuration Management Plan

    SciTech Connect (OSTI)

    Walker, H; Homann, S G

    2009-03-12

    This Software Configuration Management Plan (SCMP) describes the software configuration management procedures used to ensure that the HotSpot dispersion model meets the requirements of its user base, which includes: (1) Users of the PC version of HotSpot for consequence assessment, hazard assessment and safety analysis calculations; and (2) Users of the NARAC Web and iClient software tools, which allow users to run HotSpot for consequence assessment modeling These users and sponsors of the HotSpot software and the organizations they represent constitute the intended audience for this document. This plan is intended to meet Critical Recommendations 1 and 3 from the Software Evaluation of HotSpot and DOE Safety Software Toolbox Recommendation for inclusion of HotSpot in the Department of Energy (DOE) Safety Software Toolbox. HotSpot software is maintained for the Department of Energy Office of Emergency Operations by the National Atmospheric Release Advisory Center (NARAC) at Lawrence Livermore National Laboratory (LLNL). An overview of HotSpot and NARAC are provided.

  5. HOT Lane Policies and Their Implications†

    E-Print Network [OSTI]

    Goel, Rahul

    2011-08-08

    objectives in congested urban freeway corridors. Currently there are ten fully operational HOT lanes around the country in seven different states and this research examined the nine of them (excluding I-35 W). Even with only a handful of operational HOT lane...

  6. Are we putting in hot water?

    E-Print Network [OSTI]

    Combes, Stacey A.

    Are we putting our fish in hot water? Global warming and the world's fisheries ∑ Hot, hungry, and gasping for air ∑ Shrinking fish and fewer babies? ∑ Global warming puts fish on the run ∑ Warm water ∑ Howmucharefishworth? ∑ Which fish are feeling the heat? ∑ How will fisheries change? ∑ 2įC is too much! ∑ What needs

  7. Hot Dry Rock; Geothermal Energy

    SciTech Connect (OSTI)

    1990-01-01

    The commercial utilization of geothermal energy forms the basis of the largest renewable energy industry in the world. More than 5000 Mw of electrical power are currently in production from approximately 210 plants and 10 000 Mw thermal are used in direct use processes. The majority of these systems are located in the well defined geothermal generally associated with crustal plate boundaries or hot spots. The essential requirements of high subsurface temperature with huge volumes of exploitable fluids, coupled to environmental and market factors, limit the choice of suitable sites significantly. The Hot Dry Rock (HDR) concept at any depth originally offered a dream of unlimited expansion for the geothermal industry by relaxing the location constraints by drilling deep enough to reach adequate temperatures. Now, after 20 years intensive work by international teams and expenditures of more than $250 million, it is vital to review the position of HDR in relation to the established geothermal industry. The HDR resource is merely a body of rock at elevated temperatures with insufficient fluids in place to enable the heat to be extracted without the need for injection wells. All of the major field experiments in HDR have shown that the natural fracture systems form the heat transfer surfaces and that it is these fractures that must be for geothermal systems producing from naturally fractured formations provide a basis for directing the forthcoming but, equally, they require accepting significant location constraints on HDR for the time being. This paper presents a model HDR system designed for commercial operations in the UK and uses production data from hydrothermal systems in Japan and the USA to demonstrate the reservoir performance requirements for viable operations. It is shown that these characteristics are not likely to be achieved in host rocks without stimulation processes. However, the long term goal of artificial geothermal systems developed by systematic engineering procedures at depth may still be attained if high temperature sites with extensive fracturing are developed or exploited. [DJE -2005

  8. Geologic technical assessment of the Stratton Ridge salt dome, Texas, for potential expansion of the U.S. strategic petroleum reserve.

    SciTech Connect (OSTI)

    Rautman, Christopher Arthur; Snider, Anna C.; Looff, Karl M. (Geologic Consultant, Lovelady, TX)

    2006-11-01

    The Stratton Ridge salt dome is a large salt diapir located only some ten miles from the currently active Strategic Petroleum Reserve Site at Bryan Mound, Texas. The dome is approximately 15 miles south-southwest of Houston. The Stratton Ridge salt dome has been intensively developed, in the desirable central portions, with caverns for both brine production and product storage. This geologic technical assessment indicates that the Stratton Ridge salt dome may be considered a viable, if less-than-desirable, candidate site for potential expansion of the Strategic Petroleum Reserve (SPR). Past development of underground caverns significantly limits the potential options for use by the SPR. The current conceptual design layout of proposed caverns for such an expansion facility is based upon a decades-old model of salt geometry, and it is unacceptable, according to this reinterpretation of salt dome geology. The easternmost set of conceptual caverns are located within a 300-ft buffer zone of a very major boundary shear zone, fault, or other structural feature of indeterminate origin. This structure transects the salt stock and subdivides it into an shallow western part and a deeper eastern part. In places, the distance from this structural boundary to the design-basis caverns is as little as 150 ft. A 300-ft distance from this boundary is likely to be the minimum acceptable stand-off, from both a geologic and a regulatory perspective. Repositioning of the proposed cavern field is possible, as sufficient currently undeveloped salt acreage appears to be available. However, such reconfiguration would be subject to limitations related to land-parcel boundaries and other existing infrastructure and topographic constraints. More broadly speaking, the past history of cavern operations at the Stratton Ridge salt dome indicates that operation of potential SPR expansion caverns at this site may be difficult, and correspondingly expensive. Although detailed information is difficult to come by, widely accepted industry rumors are that numerous existing caverns have experienced major operational problems, including salt falls, sheared casings, and unintended releases of stored product(s). Many of these difficulties may be related to on-going differential movement of individual salt spines or to lateral movement at the caprock-salt interface. The history of operational problems, only some of which appear to be a matter of public record, combined with the potential for encountering escaped product from other operations, renders the Stratton Ridge salt dome a less-than-desirable site for SPR purposes.

  9. Emission of Visible Light by Hot Dense Metals

    E-Print Network [OSTI]

    More, R.M.

    2010-01-01

    HIFAN 1761 EMISSION OF VISIBLE LIGHT BY HOT DENSE METALS ByDE-AC52-07NA27344. HI FAN Emission of Visible Light by HotABSTRACT We consider the emission of visible light by hot

  10. Webinar: ENERGY STAR Hot Water Systems for High Performance Homes...

    Energy Savers [EERE]

    Webinar: ENERGY STAR Hot Water Systems for High Performance Homes Webinar: ENERGY STAR Hot Water Systems for High Performance Homes This presentation is from the Building America...

  11. Model Simulating Real Domestic Hot Water Use - Building America...

    Energy Savers [EERE]

    Model Simulating Real Domestic Hot Water Use - Building America Top Innovation Model Simulating Real Domestic Hot Water Use - Building America Top Innovation Image of a pipe...

  12. Astoria Mineral Hot Springs Pool & Spa Low Temperature Geothermal...

    Open Energy Info (EERE)

    Astoria Mineral Hot Springs Pool & Spa Low Temperature Geothermal Facility Jump to: navigation, search Name Astoria Mineral Hot Springs Pool & Spa Low Temperature Geothermal...

  13. Paraiso Hot Springs Resort Pool & Spa Low Temperature Geothermal...

    Open Energy Info (EERE)

    Paraiso Hot Springs Resort Pool & Spa Low Temperature Geothermal Facility Jump to: navigation, search Name Paraiso Hot Springs Resort Pool & Spa Low Temperature Geothermal Facility...

  14. Caliente Hot Springs Motel Pool & Spa Low Temperature Geothermal...

    Open Energy Info (EERE)

    Hot Springs Motel Pool & Spa Low Temperature Geothermal Facility Jump to: navigation, search Name Caliente Hot Springs Motel Pool & Spa Low Temperature Geothermal Facility Facility...

  15. Democrat Hot Springs Resort Pool & Spa Low Temperature Geothermal...

    Open Energy Info (EERE)

    Democrat Hot Springs Resort Pool & Spa Low Temperature Geothermal Facility Jump to: navigation, search Name Democrat Hot Springs Resort Pool & Spa Low Temperature Geothermal...

  16. Camp Preventorium Hot Springs Pool & Spa Low Temperature Geothermal...

    Open Energy Info (EERE)

    Preventorium Hot Springs Pool & Spa Low Temperature Geothermal Facility Jump to: navigation, search Name Camp Preventorium Hot Springs Pool & Spa Low Temperature Geothermal...

  17. Ringboldt Rapids Hot Springs Pool & Spa Low Temperature Geothermal...

    Open Energy Info (EERE)

    Ringboldt Rapids Hot Springs Pool & Spa Low Temperature Geothermal Facility Jump to: navigation, search Name Ringboldt Rapids Hot Springs Pool & Spa Low Temperature Geothermal...

  18. Sycamore Hot Spring Resort Pool & Spa Low Temperature Geothermal...

    Open Energy Info (EERE)

    Sycamore Hot Spring Resort Pool & Spa Low Temperature Geothermal Facility Jump to: navigation, search Name Sycamore Hot Spring Resort Pool & Spa Low Temperature Geothermal Facility...

  19. Thermal Gradient Holes At Waunita Hot Springs Geothermal Area...

    Open Energy Info (EERE)

    regional heat flux around the hot springs and potentially identify the location of the geothermal reservoir feeding the hot springs Notes Eight thermal gradient boreholes were...

  20. Hot Rolling Scrap Reduction through Edge Cracking and Surface...

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

    reduce both planned and incidental scrap in hot rolling Milestones * Development of mesoscale model for damage evolution in hot working (Completed) * 3-D Finite Element...

  1. Chena Hot Springs Resort - Electric Power Generation Using Geothermal...

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

    Hot Springs Resort - Electric Power Generation Using Geothermal Fluid Coproduced from Oil andor Gas Wells Chena Hot Springs Resort - Electric Power Generation Using Geothermal...

  2. Raman spectroscopy in hot compressed hydrogen and nitrogen -...

    Office of Scientific and Technical Information (OSTI)

    Raman spectroscopy in hot compressed hydrogen and nitrogen - implications for the intramolecular potential Citation Details In-Document Search Title: Raman spectroscopy in hot...

  3. Blue Mountain Hot Spring Guest Ranch Pool & Spa Low Temperature...

    Open Energy Info (EERE)

    Blue Mountain Hot Spring Guest Ranch Pool & Spa Low Temperature Geothermal Facility Jump to: navigation, search Name Blue Mountain Hot Spring Guest Ranch Pool & Spa Low Temperature...

  4. Abraham Hot Springs Geothermal Area Northern Basin and Range...

    Open Energy Info (EERE)

    Basin and Range Geothermal Region Medical Hot Springs Geothermal Area Idaho Batholith Medicine Lake Geothermal Area Cascades Melozi Hot Springs Geothermal Area Alaska Geothermal...

  5. Energy Design Guidelines for High Performance Schools: Hot and...

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

    Design Guidelines for High Performance Schools: Hot and Humid Climates Energy Design Guidelines for High Performance Schools: Hot and Humid Climates School districts around the...

  6. Jacumba Hot Springs Health Spa Pool & Spa Low Temperature Geothermal...

    Open Energy Info (EERE)

    Jacumba Hot Springs Health Spa Pool & Spa Low Temperature Geothermal Facility Jump to: navigation, search Name Jacumba Hot Springs Health Spa Pool & Spa Low Temperature Geothermal...

  7. Hot Topic Workshop | Photosynthetic Antenna Research Center

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (JournalvivoHigh energyHighland ViewdefaultJulySeptemberMovingHot PlateHotHot

  8. Arnold Schwarzenegger WATER HEATERS AND HOT WATER

    E-Print Network [OSTI]

    Arnold Schwarzenegger Governor WATER HEATERS AND HOT WATER DISTRIBUTION SYSTEMS;#12;Appendices Appendix A. Multifamily Water Heating Construction Practices, Pricing and Availability Survey Report Appendix B. Multifamily Water Heating Controls Performance Field Report Appendix C. Pipe

  9. Extracting hot carriers from photoexcited semiconductor nanocrystals

    SciTech Connect (OSTI)

    Zhu, Xiaoyang [Columbia University Department of Chemistry

    2013-09-12

    During this funding period, we made a significant breakthrough and established for the first time that hot electron transfer from photoexcited NCs to an electron acceptor was indeed possible.

  10. Light Duty Utility Arm System hot test

    SciTech Connect (OSTI)

    Howden, G.F.; Conrad, R.B.; Kiebel, G.R.

    1996-02-01

    This Engineering Task Plan describes the scope of work and cost for implementing a hot test of the Light Duty Utility Arm System in Tank T-106 in September 1996.

  11. Graphene-Base Hot-Electron Transistor

    E-Print Network [OSTI]

    Zeng, Caifu

    2014-01-01

    B. H. ; Wang, K. L. "Vertical Graphene-Base Hot-Electronoperation in single-layer graphene ferroelectric memory",of Dirac Point Energy at the Graphene/Oxide Interface", Nano

  12. Microstructure Engineering for Hot Strip Mills

    Broader source: Energy.gov [DOE]

    Many hot rolled products must achieve strict strength and toughness requirements, making control of the microstructure critical. This causes these products to be difficult to make and requires many...

  13. HotEyeģ Steel Surface Inspection System

    Broader source: Energy.gov [DOE]

    A new inspection system, the HotEyeģ Rolled Steel Bar (RSB) System, has been developed and demonstrated by OG Technologies (OGT) Inc., with the help of both a NICE3 grant and a project under the...

  14. HotSpot Health Physics Codes

    SciTech Connect (OSTI)

    2013-04-18

    The HotSpot Health Physics Codes were created to provide emergency response personnel and emergency planners with a fast, field-portable set of software tools for evaluating insidents involving redioactive material. The software is also used for safety-analysis of facilities handling nuclear material. HotSpot provides a fast and usually conservative means for estimation the radiation effects associated with the short-term (less than 24 hours) atmospheric release of radioactive materials.

  15. Disaggregating Hot Water Use and Predicting Hot Water Waste in Five Test Homes

    SciTech Connect (OSTI)

    Henderson, H.; Wade, J.

    2014-04-01

    While it is important to make the equipment (or 'plant') in a residential hot water system more efficient, the hot water distribution system also affects overall system performance and energy use. Energy wasted in heating water that is not used is estimated to be on the order of 10 to 30 percent of total domestic hot water (DHW) energy use. This field monitoring project installed temperature sensors on the distribution piping (on trunks and near fixtures) and programmed a data logger to collect data at 5 second intervals whenever there was a hot water draw. This data was used to assign hot water draws to specific end uses in the home as well as to determine the portion of each hot water that was deemed useful (i.e., above a temperature threshold at the fixture). Five houses near Syracuse NY were monitored. Overall, the procedures to assign water draws to each end use were able to successfully assign about 50% of the water draws, but these assigned draws accounted for about 95% of the total hot water use in each home. The amount of hot water deemed as useful ranged from low of 75% at one house to a high of 91% in another. At three of the houses, new water heaters and distribution improvements were implemented during the monitoring period and the impact of these improvements on hot water use and delivery efficiency were evaluated.

  16. Disaggregating Hot Water Use and Predicting Hot Water Waste in Five Test Homes

    SciTech Connect (OSTI)

    Henderson, Hugh; Wade, Jeremy

    2014-04-01

    While it is important to make the equipment (or "plant") in a residential hot water system more efficient, the hot water distribution system also affects overall system performance and energy use. Energy wasted in heating water that is not used is estimated to be on the order of 10%-30% of total domestic hot water (DHW) energy use. This field monitoring project installed temperature sensors on the distribution piping (on trunks and near fixtures) in five houses near Syracuse, NY, and programmed a data logger to collect data at 5 second intervals whenever there was a hot water draw. This data was used to assign hot water draws to specific end uses in the home as well as to determine the portion of each hot water that was deemed useful (i.e., above a temperature threshold at the fixture). Overall, the procedures to assign water draws to each end use were able to successfully assign about 50% of the water draws, but these assigned draws accounted for about 95% of the total hot water use in each home. The amount of hot water deemed as useful ranged from low of 75% at one house to a high of 91% in another. At three of the houses, new water heaters and distribution improvements were implemented during the monitoring period and the impact of these improvements on hot water use and delivery efficiency were evaluated.

  17. Hot/Warm Gas Cleanup

    SciTech Connect (OSTI)

    Bissett, Larry A.

    2001-11-06

    Using regenerable sorbents and transport or fluid-bed contacting, the Gas Process Development Unit (GPDU) at NETL-Morgantown will be used to demonstrate the process feasibility of removing sulfur from coal gasification or other fuel gas streams at temperatures above dew point of the gas. This technology, also known as hot or warm gas desulfurization, is expected to remove sulfur to concentrations lower than conventional systems at comparable cost. The project was constructed under the U.S. Department of Energy (DOE) Integrated Gasification Combined Cycle (IGCC) power system program and is an ''enabling technology'' in the Vision 21 program. The GPDU was designed to be the smallest scale research and development facility capable of providing viable scale-up design data for new integrated transport or fluid-bed desulfurization processes. With the capability to test at process conditions representative of anticipated commercial applications in terms of temperatures, pressures, major compositions, velocities, and sorbent cycling, the unit is expected to generate important information on process control, configuration, and sorbent suitability. In this way, the GPDU fills a strategic role between past/current small-scale testing and large-scale demonstrations. A primary objective of the project is to gain insight into which reactor combination (i.e., both transport, both fluid bed, or mixed) is more suitable for desulfurization technology and why. Assuming process feasibility is demonstrated, this guides future development or commercial ventures by answering the question of what to build, and provides performance and scale-up data (e.g., required transport reactor densities). Another important objective, which naturally derives from the process development activities, is demonstration of sorbent suitability and readiness for commercial deployment (e.g., sorbent attrition and cycle life). In this sense, the GPDU can serve as a final testing ground to reduce the risks of large-scale sorbent failure.

  18. CC Retrofits and Optimal Controls for Hot Water Systems†

    E-Print Network [OSTI]

    Wu, L.; Liu, M.; Wang, G.

    2007-01-01

    Continuous Commissioning (CC) technologies, three old boilers (13.39 MMBH each) were replaced by three new boilers (1.675 MMBH each) and hot water pumps. Optimal controls for the hot water systems included optimal hot water temperature reset, hot water pump...

  19. Pulsations and period changes of the non-Blazhko RR lyrae variable Y oct observed from Dome A, Antarctica

    SciTech Connect (OSTI)

    Zhihua, Huang; Jianning, Fu; Weikai, Zong; Lingzhi, Wang; Zonghong, Zhu [Department of Astronomy, Beijing Normal University, Beijing 100875 (China); M, Macri Lucas; Lifan, Wang [Mitchell Institute for Fundamental Physics and Astronomy, Department of Physics and Astronomy, Texas A and M University, College Station, TX (United States); Ashley, Michael C. B.; S, Lawrence Jon; Daniel, Luong-Van [School of Physics, University of New South Wales, NSW (Australia); Xiangqun, Cui; Long-Long, Feng; Xuefei, Gong; Qiang, Liu; Huigen, Yang; Xiangyan, Yuan; Xu, Zhou; Zhenxi, Zhu [Chinese Center for Antarctic Astronomy, Nanjing (China); R, Pennypacker Carl [Center for Astrophysics, Lawrence Berkeley National Laboratory, Berkeley, CA (United States); G, York Donald, E-mail: jnfu@bnu.edu.cn [Department of Astronomy and Astrophysics and Enrico Fermi Institute, University of Chicago, Chicago, IL (United States)

    2015-01-01

    During the operation of the Chinese Small Telescope Array (CSTAR) in Dome A of Antarctica in the years 2008, 2009, and 2010, large amounts of photometric data have been obtained for variable stars in the CSTAR field. We present here the study of one of six RR Lyrae variables, Y Oct, observed with CSTAR in Dome A, Antarctica. Photometric data in the i band were obtained in 2008 and 2010, with a duty cycle (defined as the fraction of time representing scientifically available data to CSTAR observation time) of about 44% and 52%, respectively. In 2009, photometric data in the g and r bands were gathered for this star, with a duty cycle of 65% and 60%, respectively. Fourier analysis of the data in the three bands only shows the fundamental frequency and its harmonics, which is characteristic of the non-Blazhko RR Lyrae variables. Values of the fundamental frequency and the amplitudes, as well as the total pulsation amplitude, are obtained from the data in the three bands separately. The amplitude of the fundamental frequency and the total pulsation amplitude in the g band are the largest, and those in the i band the smallest. Two-hundred fifty-one times of maximum are obtained from the three seasons of data, which are analyzed together with 38 maximum times provided in the GEOS RR Lyrae database. A period change rate of ?0.96 Ī 0.07 days Myr{sup ?1} is then obtained, which is a surprisingly large negative value. Based on relations available in the literature, the following physical parameters are derived: [Fe/H] = ?1.41 Ī 0.14, M{sub V} = 0.696 Ī 0.014 mag, V?K = 1.182 Ī 0.028 mag, logT{sub eff} = 3.802 Ī 0.003 K, logg = 2.705 Ī 0.004, logL/L{sub ?} = 1.625 Ī 0.013, and logM/M{sub ?} = ?0.240 Ī 0.019.

  20. EIS-0075: Strategic Petroleum Reserve Phase III Development, Texoma and Seaway Group Salt Domes (West Hackberry and Bryan Mound Expansion, Big Hill Development) Cameron Parish, Louisiana, and Brazoria and Jefferson Counties, Texas

    Office of Energy Efficiency and Renewable Energy (EERE)

    Also see EIS-0021 and EIS-0029. The Strategic Petroleum Reserve (SPR) Office developed this EIS to assess the environmental impacts of expanding the existing SPR storage capacity from 538 million to 750 million barrels of storage and increasing the drawdown capability from 3.5 million to 4.5 million barrels per day. This EIS incorperates two previously issued EISs: DOE/EIS-0021, Seaway Group of Salt Domes, and DOE/EIS-0029, Texoma Group of Salt Domes.

  1. Hot Water DJ: Saving Energy by Pre-mixing Hot Water Md Anindya Prodhan

    E-Print Network [OSTI]

    Whitehouse, Kamin

    Hot Water DJ: Saving Energy by Pre-mixing Hot Water Md Anindya Prodhan Department of Computer University of Virginia whitehouse@virginia.edu Abstract After space heating and cooling, water heating consumption. Current water heating systems waste up to 20% of their energy due to poor insulation in pipes

  2. LLNL-Generated Content for the California Academy of Sciences, Morrison Planetarium Full-Dome Show: Earthquake

    SciTech Connect (OSTI)

    Rodgers, A J; Petersson, N A; Morency, C E; Simmons, N A; Sjogreen, B

    2012-01-23

    The California Academy of Sciences (CAS) Morrison Planetarium is producing a 'full-dome' planetarium show on earthquakes and asked LLNL to produce content for the show. Specifically the show features numerical ground motion simulations of the M 7.9 1906 San Francisco and a possible future M 7.05 Hayward fault scenario earthquake. The show also features concepts of plate tectonics and mantle convection using images from LLNL's G3D global seismic tomography. This document describes the data that was provided to the CAS in support of production of the 'Earthquake' show. The CAS is located in Golden Gate Park, San Francisco and hosts over 1.6 million visitors. The Morrison Planetarium, within the CAS, is the largest all digital planetarium in the world. It features a 75-foot diameter spherical section projection screen tilted at a 30-degree angle. Six projectors cover the entire field of view and give a three-dimensional immersive experience. CAS shows strive to use scientifically accurate digital data in their productions. The show, entitled simply 'Earthquake', will debut on 26 May 2012. They are working on graphics and animations based on the same data sets for display on LLNL powerwalls and flat-screens as well as for public release.

  3. Extracting hot carriers from photoexcited semiconductor nanocrystals

    SciTech Connect (OSTI)

    Zhu, Xiaoyang

    2014-12-10

    This research program addresses a fundamental question related to the use of nanomaterials in solar energy -- namely, whether semiconductor nanocrystals (NCs) can help surpass the efficiency limits, the so-called ďShockley-QueisserĒ limit, in conventional solar cells. In these cells, absorption of photons with energies above the semiconductor bandgap generates ďhotĒ charge carriers that quickly ďcoolĒ to the band edges before they can be utilized to do work; this sets the solar cell efficiency at a limit of ~31%. If instead, all of the energy of the hot carriers could be captured, solar-to-electric power conversion efficiencies could be increased, theoretically, to as high as 66%. A potential route to capture this energy is to utilize semiconductor nanocrystals. In these materials, the quasi-continuous conduction and valence bands of the bulk semiconductor become discretized due to confinement of the charge carriers. Consequently, the energy spacing between the electronic levels can be much larger than the highest phonon frequency of the lattice, creating a ďphonon bottleneckĒ wherein hot-carrier relaxation is possible via slower multiphonon emission. For example, hot-electron lifetimes as long as ~1 ns have been observed in NCs grown by molecular beam epitaxy. In colloidal NCs, long lifetimes have been demonstrated through careful design of the nanocrystal interfaces. Due to their ability to slow electronic relaxation, semiconductor NCs can in principle enable extraction of hot carriers before they cool to the band edges, leading to more efficient solar cells.

  4. Kepler constraints on planets near hot Jupiters

    SciTech Connect (OSTI)

    Steffen, Jason H.; /Fermilab; Ragozzine, Darin; /Harvard-Smithsonian Ctr. Astrophys.; Fabrycky, Daniel C.; /UC, Santa Cruz, Astron. Astrophys.; Carter, Joshua A.; /Harvard-Smithsonian Ctr. Astrophys.; Ford, Eric B.; /Florida U.; Holman, Matthew J.; /Harvard-Smithsonian Ctr. Astrophys.; Rowe, Jason F.; /NASA, Ames; Welsh, William F.; /San Diego State U., Astron. Dept.; Borucki, William J.; /NASA, Ames; Boss, Alan P.; /Carnegie Inst., Wash., D.C., DTM; Ciardi, David R.; /Caltech /Harvard-Smithsonian Ctr. Astrophys.

    2012-05-01

    We present the results of a search for planetary companions orbiting near hot Jupiter planet candidates (Jupiter-size candidates with orbital periods near 3 d) identified in the Kepler data through its sixth quarter of science operations. Special emphasis is given to companions between the 2:1 interior and exterior mean-motion resonances. A photometric transit search excludes companions with sizes ranging from roughly two-thirds to five times the size of the Earth, depending upon the noise properties of the target star. A search for dynamically induced deviations from a constant period (transit timing variations) also shows no significant signals. In contrast, comparison studies of warm Jupiters (with slightly larger orbits) and hot Neptune-size candidates do exhibit signatures of additional companions with these same tests. These differences between hot Jupiters and other planetary systems denote a distinctly different formation or dynamical history.

  5. Hot gas filter and system assembly

    DOE Patents [OSTI]

    Lippert, Thomas Edwin (Murrysville, PA); Palmer, Kathryn Miles (Monroeville, PA); Bruck, Gerald Joseph (Murrysville, PA); Alvin, Mary Anne (Pittsburgh, PA); Smeltzer, Eugene E. (Export, PA); Bachovchin, Dennis Michael (Murrysville, PA)

    1999-01-01

    A filter element for separating fine dirty particles from a hot gas. The filter element comprises a first porous wall and a second porous wall. Each porous wall has an outer surface and an inner surface. The first and second porous walls being coupled together thereby forming a substantially closed figure and open at one end. The open end is formed to be coupled to a hot gas clean up system support structure. The first and second porous walls define a channel beginning at the open end and terminate at the closed end through which a filtered clean gas can flow through and out into the clean gas side of a hot gas clean up system.

  6. Hot gas filter and system assembly

    DOE Patents [OSTI]

    Lippert, T.E.; Palmer, K.M.; Bruck, G.J.; Alvin, M.A.; Smeltzer, E.E.; Bachovchin, D.M.

    1999-08-31

    A filter element is described for separating fine dirty particles from a hot gas. The filter element comprises a first porous wall and a second porous wall. Each porous wall has an outer surface and an inner surface. The first and second porous walls being coupled together thereby forming a substantially closed figure and open at one end. The open end is formed to be coupled to a hot gas clean up system support structure. The first and second porous walls define a channel beginning at the open end and terminate at the closed end through which a filtered clean gas can flow through and out into the clean gas side of a hot gas clean up system. 8 figs.

  7. TOWARD CHEMICAL CONSTRAINTS ON HOT JUPITER MIGRATION

    SciTech Connect (OSTI)

    Madhusudhan, Nikku; Amin, Mustafa A.; Kennedy, Grant M., E-mail: nmadhu@ast.cam.ac.uk [Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA (United Kingdom)

    2014-10-10

    The origin of hot Jupitersógas giant exoplanets orbiting very close to their host starsóis a long-standing puzzle. Planet formation theories suggest that such planets are unlikely to have formed in situ but instead may have formed at large orbital separations beyond the snow line and migrated inward to their present orbits. Two competing hypotheses suggest that the planets migrated either through interaction with the protoplanetary disk during their formation, or by disk-free mechanisms such as gravitational interactions with a third body. Observations of eccentricities and spin-orbit misalignments of hot Jupiter systems have been unable to differentiate between the two hypotheses. In the present work, we suggest that chemical depletions in hot Jupiter atmospheres might be able to constrain their migration mechanisms. We find that sub-solar carbon and oxygen abundances in Jovian-mass hot Jupiters around Sun-like stars are hard to explain by disk migration. Instead, such abundances are more readily explained by giant planets forming at large orbital separations, either by core accretion or gravitational instability, and migrating to close-in orbits via disk-free mechanisms involving dynamical encounters. Such planets also contain solar or super-solar C/O ratios. On the contrary, hot Jupiters with super-solar O and C abundances can be explained by a variety of formation-migration pathways which, however, lead to solar or sub-solar C/O ratios. Current estimates of low oxygen abundances in hot Jupiter atmospheres may be indicative of disk-free migration mechanisms. We discuss open questions in this area which future studies will need to investigate.

  8. Axions as hot and cold dark matter

    SciTech Connect (OSTI)

    Jeong, Kwang Sik; Kawasaki, Masahiro; Takahashi, Fuminobu E-mail: kawasaki@icrr.u-tokyo.ac.jp

    2014-02-01

    The presence of a hot dark matter component has been hinted at 3? by a combination of the results from different cosmological observations. We examine a possibility that pseudo Nambu-Goldstone bosons account for both hot and cold dark matter components. We show that the QCD axions can do the job for the axion decay constant f{sub a}?

  9. Hot dry rock venture risks investigation:

    SciTech Connect (OSTI)

    Not Available

    1988-01-01

    This study assesses a promising resource in central Utah as the potential site of a future commerical hot dry rock (HDR) facility for generating electricity. The results indicate that, if the HDR reservoir productivity equals expectations based on preliminary results from research projects to date, a 50 MWe HDR power facility at Roosevelt Hot Springs could generate power at cost competitive with coal-fired plants. However, it is imperative that the assumed productivity be demonstrated before funds are committed for a commercial facility. 72 refs., 39 figs., 38 tabs.

  10. Hot Springs Wind Farm | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsource History View NewGuam: Energyarea,Magazine Jump to:II Wind FarmHorstHotHot

  11. Hot Plasma Partial to Bootstrap Current

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

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

  12. Kiln for hot-pressing compacts in a continuous manner

    DOE Patents [OSTI]

    Reynolds, Jr., Carl D. (Clinton, TN)

    1985-01-01

    The present invention is directed to a hot pressing furnace or kiln which is capable of preheating, hot pressing, and cooling a plurality of articles in a sequential and continuous manner. The hot pressing furnace of the present invention comprises an elongated, horizontally disposed furnace capable of holding a plurality of displaceable pusher plates each supporting a die body loaded with refractory or ceramic material to be hot pressed. Each of these plates and the die body supported thereby is sequentially pushed through the preheating zone, a temperature stabilizing and a hot pressing zone, and a cooling zone so as to provide a continuous hot-pressing operation of a plurality of articles.

  13. Forecasting Hot Water Consumption in Residential Houses

    E-Print Network [OSTI]

    MacDonald, Mark

    and technological advancement in energy-intensive applications are causing fast electric energy consumption growth and consumption of electricity [8], as long as there is no significant correlation between intermittent energyArticle Forecasting Hot Water Consumption in Residential Houses Linas Gelazanskas * and Kelum A

  14. Plasmas are Hot and Fusion is Cool

    SciTech Connect (OSTI)

    2011-01-01

    Plasmas are Hot and Fusion is Cold. The DOE Princeton Plasma Physics Laboratory (PPPL) collaborates to develop fusion as a safe, clean and abundant energy source for the future. This video discusses PPPL's research and development on plasma, the fourth state of matter.

  15. Storage capacity in hot dry rock reservoirs

    DOE Patents [OSTI]

    Brown, Donald W. (Los Alamos, NM)

    1997-01-01

    A method of extracting thermal energy, in a cyclic manner, from geologic strata which may be termed hot dry rock. A reservoir comprised of hot fractured rock is established and water or other liquid is passed through the reservoir. The water is heated by the hot rock, recovered from the reservoir, cooled by extraction of heat by means of heat exchange apparatus on the surface, and then re-injected into the reservoir to be heated again. Water is added to the reservoir by means of an injection well and recovered from the reservoir by means of a production well. Water is continuously provided to the reservoir and continuously withdrawn from the reservoir at two different flow rates, a base rate and a peak rate. Increasing water flow from the base rate to the peak rate is accomplished by rapidly decreasing backpressure at the outlet of the production well in order to meet periodic needs for amounts of thermal energy greater than a baseload amount, such as to generate additional electric power to meet peak demands. The rate of flow of water provided to the hot dry rock reservoir is maintained at a value effective to prevent depletion of the liquid

  16. Storage capacity in hot dry rock reservoirs

    DOE Patents [OSTI]

    Brown, D.W.

    1997-11-11

    A method is described for extracting thermal energy, in a cyclic manner, from geologic strata which may be termed hot dry rock. A reservoir comprised of hot fractured rock is established and water or other liquid is passed through the reservoir. The water is heated by the hot rock, recovered from the reservoir, cooled by extraction of heat by means of heat exchange apparatus on the surface, and then re-injected into the reservoir to be heated again. Water is added to the reservoir by means of an injection well and recovered from the reservoir by means of a production well. Water is continuously provided to the reservoir and continuously withdrawn from the reservoir at two different flow rates, a base rate and a peak rate. Increasing water flow from the base rate to the peak rate is accomplished by rapidly decreasing backpressure at the outlet of the production well in order to meet periodic needs for amounts of thermal energy greater than a baseload amount, such as to generate additional electric power to meet peak demands. The rate of flow of water provided to the hot dry rock reservoir is maintained at a value effective to prevent depletion of the liquid inventory of the reservoir. 4 figs.

  17. Transfer of hot dry rock technology

    SciTech Connect (OSTI)

    Smith, M.C.

    1985-11-01

    The Hot Dry Rock Geothermal Energy Development Program has focused worldwide attention on the facts that natural heat in the upper part of the earth's crust is an essentially inexhaustible energy resource which is accessible almost everywhere, and that practical means now exist to extract useful heat from the hot rock and bring it to the earth's surface for beneficial use. The Hot Dry Rock Program has successfully constructed and operated a prototype hot, dry rock energy system that produced heat at the temperatures and rates required for large-scale space heating and many other direct uses of heat. The Program is now in the final stages of constructing a larger, hotter system potentially capable of satisfying the energy requirements of a small, commercial, electrical-generating power plant. To create and understand the behavior of such system, it has been necessary to develop or support the development of a wide variety of equipment, instruments, techniques, and analyses. Much of this innovative technology has already been transferred to the private sector and to other research and development programs, and more is continuously being made available as its usefulness is demonstrated. This report describes some of these developments and indicates where this new technology is being used or can be useful to industry, engineering, and science.

  18. Six Hot Topics in Planetary Astronomy

    E-Print Network [OSTI]

    David Jewitt

    2008-11-14

    Six hot topics in modern planetary astronomy are described: 1) lightcurves and densities of small bodies 2) colors of Kuiper belt objects and the distribution of the ultrared matter 3) spectroscopy and the crystallinity of ice in the outer Solar system 4) irregular satellites of the giant planets 5) the Main Belt Comets and 6) comets and meteor stream parents.

  19. World launch! Hot-Steam Aerostat

    E-Print Network [OSTI]

    Berlin,Technische Universitšt

    to the first operable balloon ever that became buoyant by means of superheated steam. The performance of Hei-light and flocked insulation material superheated steam could be maintained also close to the envelopeInfo HeiDAS UH World launch! Hot-Steam Aerostat #12;"If you intend to view the land, if you plan

  20. Reduce Hot Water Use for Energy Savings | Department of Energy

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

    Reduce Hot Water Use for Energy Savings Reduce Hot Water Use for Energy Savings June 15, 2012 - 5:51pm Addthis Low-flow fixtures and showerheads can achieve water savings of...

  1. Estimation of microbial cover distributions at Mammoth Hot

    E-Print Network [OSTI]

    Goldenfeld, Nigel

    library information from travertine-forming hot springs in Yellowstone Na- tional Park to provide to be obtained in a va- riety of environments ranging from geothermal hot springs to the oral cav- ity. Clone

  2. Continuous Commissioning of a Central Chilled Water & Hot Water System†

    E-Print Network [OSTI]

    Deng, S.; Turner, W. D.; Batten, T.; Liu, M.

    2000-01-01

    A central chilled water / hot water system provides cooling / heating energy from central utility plants to multiple customers (buildings) through campus distribution loops. To effectively transport the chilled water and hot water to the buildings...

  3. Insulation of Pipe Bends Improves Efficiency of Hot Oil Furnaces†

    E-Print Network [OSTI]

    Haseltine, D. M.; Laffitte, R. D.

    1999-01-01

    Thermodynamic analyses of processes indicated low furnace efficiencies on certain hot oil furnaces. Further investigation, which included Infrared (IR) thermography testing of several furnaces, identified extremely hot surfaces on the outside...

  4. Sun-Sentinel Red hot email heats up Wasserman Schultz,

    E-Print Network [OSTI]

    Fernandez, Eduardo

    Sun-Sentinel Red hot email heats up Wasserman Schultz, West rift South Florida members of Congress take feud public July 20, 2011|By Anthony Man, Sun Sentinel Congressman Allen West's red hot response

  5. Hot Water Heating System Operation and Energy Conservation†

    E-Print Network [OSTI]

    Shao, Z.; Chen, H.; Wei, P.

    2006-01-01

    Based on an example of the reconstruction of a hot water heating system, this paper provides an analysis and comparison of the operations of hot water heating systems, including supply water temperature adjustment, flow adjustment during each...

  6. Hot Springs Point Geothermal Project | Open Energy Information

    Open Energy Info (EERE)

    Point Geothermal Project Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Development Project: Hot Springs Point Geothermal Project Project Location Information...

  7. Detachment Faulting & Geothermal Resources- Pearl Hot Spring, NV

    Broader source: Energy.gov [DOE]

    Detachment Faulting & Geothermal Resources - Pearl Hot Spring, NV presentation at the April 2013 peer review meeting held in Denver, Colorado.

  8. X-rays from Hot Stars: Stellar Astronomy Research with

    E-Print Network [OSTI]

    Cohen, David

    emission lines Hot stars*: massive outflows ("stellar winds") ≠ are the x-rays associated with these winds can actually take an image of its "wind nebula" ≠ in all other cases, we infer the presence of a wind a model for fitting the detailed shapes of x-ray emission line profiles from hot star winds The very hot

  9. Method for hot pressing beryllium oxide articles

    DOE Patents [OSTI]

    Ballard, Ambrose H. (Oak Ridge, TN); Godfrey, Jr., Thomas G. (Oak Ridge, TN); Mowery, Erb H. (Clinton, TN)

    1988-01-01

    The hot pressing of beryllium oxide powder into high density compacts with little or no density gradients is achieved by employing a homogeneous blend of beryllium oxide powder with a lithium oxide sintering agent. The lithium oxide sintering agent is uniformly dispersed throughout the beryllium oxide powder by mixing lithium hydroxide in an aqueous solution with beryllium oxide powder. The lithium hydroxide is converted in situ to lithium carbonate by contacting or flooding the beryllium oxide-lithium hydroxide blend with a stream of carbon dioxide. The lithium carbonate is converted to lithium oxide while remaining fixed to the beryllium oxide particles during the hot pressing step to assure uniform density throughout the compact.

  10. The decay of hot KK space

    E-Print Network [OSTI]

    Adam R. Brown

    2015-04-30

    The non-perturbative instabilities of hot Kaluza-Klein spacetime are investigated. In addition to the known instability of hot space (the nucleation of 4D black holes) and the known instability of KK space (the nucleation of bubbles of nothing by quantum tunneling), we find two new instabilities: the nucleation of 5D black holes, and the nucleation of bubbles of nothing by thermal fluctuation. These four instabilities are controlled by two Euclidean instantons, with each instanton doing double duty via two inequivalent analytic continuations; thermodynamic instabilities of one are shown to be related to mechanical instabilities of the other. I also construct bubbles of nothing that are formed by a hybrid process involving both thermal fluctuation and quantum tunneling. There is an exact high-temperature/low-temperature duality that relates the nucleation of black holes to the nucleation of bubbles of nothing.

  11. X-rays from Hot Subdwarfs

    E-Print Network [OSTI]

    Mereghetti, Sandro

    2015-01-01

    Thanks to the high sensitivity of the instruments on board the XMM-Newton and Chandra satellites, it has become possible to explore the properties of the X-ray emission from hot subdwarfs. The small but growing sample of hot subdwarfs detected in X-rays includes binary systems, in which the X-rays result from wind accretion onto a compact companion (white dwarf or neutron star), as well as isolated sdO stars in which X-rays are probably due to shock instabilities in the wind. X-ray observations of these low mass stars provide information which can be useful also for our understanding of the winds of more luminous and massive early-type stars and can lead to the discovery of particularly interesting binary systems.

  12. Enabling Technologies for Ceramic Hot Section Components

    SciTech Connect (OSTI)

    Venkat Vedula; Tania Bhatia

    2009-04-30

    Silicon-based ceramics are attractive materials for use in gas turbine engine hot sections due to their high temperature mechanical and physical properties as well as lower density than metals. The advantages of utilizing ceramic hot section components include weight reduction, and improved efficiency as well as enhanced power output and lower emissions as a result of reducing or eliminating cooling. Potential gas turbine ceramic components for industrial, commercial and/or military high temperature turbine applications include combustor liners, vanes, rotors, and shrouds. These components require materials that can withstand high temperatures and pressures for long duration under steam-rich environments. For Navy applications, ceramic hot section components have the potential to increase the operation range. The amount of weight reduced by utilizing a lighter gas turbine can be used to increase fuel storage capacity while a more efficient gas turbine consumes less fuel. Both improvements enable a longer operation range for Navy ships and aircraft. Ceramic hot section components will also be beneficial to the Navy's Growth Joint Strike Fighter (JSF) and VAATE (Versatile Affordable Advanced Turbine Engines) initiatives in terms of reduced weight, cooling air savings, and capability/cost index (CCI). For DOE applications, ceramic hot section components provide an avenue to achieve low emissions while improving efficiency. Combustors made of ceramic material can withstand higher wall temperatures and require less cooling air. Ability of the ceramics to withstand high temperatures enables novel combustor designs that have reduced NO{sub x}, smoke and CO levels. In the turbine section, ceramic vanes and blades do not require sophisticated cooling schemes currently used for metal components. The saved cooling air could be used to further improve efficiency and power output. The objectives of this contract were to develop technologies critical for ceramic hot section components for gas turbine engines. Significant technical progress has been made towards maturation of the EBC and CMC technologies for incorporation into gas turbine engine hot-section. Promising EBC candidates for longer life and/or higher temperature applications relative to current state of the art BSAS-based EBCs have been identified. These next generation coating systems have been scaled-up from coupons to components and are currently being field tested in Solar Centaur 50S engine. CMC combustor liners were designed, fabricated and tested in a FT8 sector rig to demonstrate the benefits of a high temperature material system. Pretest predictions made through the use of perfectly stirred reactor models showed a 2-3x benefit in CO emissions for CMC versus metallic liners. The sector-rig test validated the pretest predictions with >2x benefit in CO at the same NOx levels at various load conditions. The CMC liners also survived several trip shut downs thereby validating the CMC design methodology. Significant technical progress has been made towards incorporation of ceramic matrix composites (CMC) and environmental barrier coatings (EBC) technologies into gas turbine engine hot-section. The second phase of the program focused on the demonstration of a reverse flow annular CMC combustor. This has included overcoming the challenges of design and fabrication of CMCs into 'complex' shapes; developing processing to apply EBCs to 'engine hardware'; testing of an advanced combustor enabled by CMCs in a PW206 rig; and the validation of performance benefits against a metal baseline. The rig test validated many of the pretest predictions with a 40-50% reduction in pattern factor compared to the baseline and reductions in NOx levels at maximum power conditions. The next steps are to develop an understanding of the life limiting mechanisms in EBC and CMC materials, developing a design system for EBC coated CMCs and durability testing in an engine environment.

  13. THERMAL PROCESSES GOVERNING HOT-JUPITER RADII

    SciTech Connect (OSTI)

    Spiegel, David S.; Burrows, Adam E-mail: burrows@astro.princeton.edu

    2013-07-20

    There have been many proposed explanations for the larger-than-expected radii of some transiting hot Jupiters, including either stellar or orbital energy deposition deep in the atmosphere or deep in the interior. In this paper, we explore the important influences on hot-Jupiter radius evolution of (1) additional heat sources in the high atmosphere, the deep atmosphere, and deep in the convective interior; (2) consistent cooling of the deep interior through the planetary dayside, nightside, and poles; (3) the degree of heat redistribution to the nightside; and (4) the presence of an upper atmosphere absorber inferred to produce anomalously hot upper atmospheres and inversions in some close-in giant planets. In particular, we compare the radius expansion effects of atmospheric and deep-interior heating at the same power levels and derive the power required to achieve a given radius increase when night-side cooling is incorporated. We find that models that include consistent day/night cooling are more similar to isotropically irradiated models when there is more heat redistributed from the dayside to the nightside. In addition, we consider the efficacy of ohmic heating in the atmosphere and/or convective interior in inflating hot Jupiters. Among our conclusions are that (1) the most highly irradiated planets cannot stably have uB {approx}> 10 km s{sup -1} G over a large fraction of their daysides, where u is the zonal wind speed and B is the dipolar magnetic field strength in the atmosphere, and (2) that ohmic heating cannot in and of itself lead to a runaway in planet radius.

  14. Hot Jupiters and stellar magnetic activity

    E-Print Network [OSTI]

    A. F. Lanza

    2008-05-20

    Recent observations suggest that stellar magnetic activity may be influenced by the presence of a close-by giant planet. Specifically, chromospheric hot spots rotating in phase with the planet orbital motion have been observed during some seasons in a few stars harbouring hot Jupiters. The spot leads the subplanetary point by a typical amount of about 60-70 degrees, with the extreme case of upsilon And where the angle is about 170 degrees. The interaction between the star and the planet is described considering the reconnection between the stellar coronal field and the magnetic field of the planet. Reconnection events produce energetic particles that moving along magnetic field lines impact onto the stellar chromosphere giving rise to a localized hot spot. A simple magnetohydrostatic model is introduced to describe the coronal magnetic field of the star connecting its surface to the orbiting planet. The field is assumed to be axisymmetric around the rotation axis of the star and its configuration is more general than a linear force-free field. With a suitable choice of the free parameters, the model can explain the phase differences between the hot spots and the planets observed in HD 179949, upsilon And, HD 189733, and tau Bootis, as well as their visibility modulation on the orbital period and seasonal time scales. The possible presence of cool spots associated with the planets in tau Boo and HD 192263 cannot be explained by the present model. However, we speculate about the possibility that reconnection events in the corona may influence subphotospheric dynamo action in those stars producing localized photospheric (and chromospheric) activity migrating in phase with their planets.

  15. Hot filament CVD of boron nitride films

    DOE Patents [OSTI]

    Rye, Robert R. (Albuquerque, NM)

    1992-01-01

    Using a hot filament (.apprxeq.1400.degree. C.) to activate borazine (B.sub.3 N.sub.3 H.sub.6) molecules for subsequent reaction with a direct line-of-sight substrate, transparent boron ntiride films as thick as 25,000 angstroms are grown for a substrate temperature as low as 100.degree. C. The minimum temperature is determined by radiative heating from the adjacent hot filament. The low temperature BN films show no indication of crystallinity with X-ray diffraction (XRD). X-ray photoelectron spectra (XPS) show the films to have a B:N ratio of 0.97:1 with no other XPS detectable impurities above the 0.5% level. Both Raman and infrared (IR) spectroscopy are characteristic of h-BN with small amounts of hydrogen detected as N-H and B-H bands in the IR spectrum. An important feature of this method is the separation and localization of the thermal activation step at the hot filament from the surface reaction and film growth steps at the substrate surface. This allows both higher temperature thermal activation and lower temperature film growth.

  16. Residential hot water distribution systems: Roundtablesession

    SciTech Connect (OSTI)

    Lutz, James D.; Klein, Gary; Springer, David; Howard, Bion D.

    2002-08-01

    Residential building practice currently ignores the lossesof energy and water caused by the poor design of hot water systems. Theselosses include: combustion and standby losses from water heaters, thewaste of water (and energy) while waiting for hot water to get to thepoint of use; the wasted heat as water cools down in the distributionsystem after a draw; heat losses from recirculation systems and thediscarded warmth of waste water as it runs down the drain. Severaltechnologies are available that save energy (and water) by reducing theselosses or by passively recovering heat from wastewater streams and othersources. Energy savings from some individual technologies are reported tobe as much as 30 percent. Savings calculations of prototype systemsincluding bundles of technologies have been reported above 50 percent.This roundtable session will describe the current practices, summarizethe results of past and ongoing studies, discuss ways to think about hotwater system efficiency, and point to areas of future study. We will alsorecommend further steps to reduce unnecessary losses from hot waterdistribution systems.

  17. Method for hot press forming articles

    DOE Patents [OSTI]

    Baker, Robert R. (Livonia, MI); Hartsock, Dale L. (Livonia, MI)

    1982-01-01

    This disclosure relates to an improved method for achieving the best bond strength and for minimizing distortion and cracking of hot pressed articles. In particular, in a method for hot press forming both an outer facing circumferential surface of and an inner portion of a hub, and of bonding that so-formed outer facing circumferential surface to an inner facing circumferential surface of a pre-formed ring thereby to form an article, the following improvement is made. Normally, in this method, the outside ring is restrained by a restraining sleeve of ring-shaped cross-section having an inside diameter. A die member, used to hot press form the hub, is so-formed as to have an outside diameter sized to engage the inside diameter of the restraining sleeve in a manner permitting relative movement therebetween. The improved method is one in which several pairs of matched restraining sleeve and die member are formed with each matched pair having a predetermined diameter. The predetermined diameter of each matched pair is different from another matched pair by stepped increments. The largest inside diameter of a restraining sleeve is equal to the diameter of the outer facing circumferential surface of the hub. Each pair of the matched restraining sleeve and die member is used to form an article in which an inside hub is bonded to an outside ring. The several samples so-formed are evaluated to determine which sample has the best bond formed between the hub and the ring with the least or no cracking or distortion in the ring portion of the article. Thereafter, the matched restraining sleeve and die member which form the article having the best bonding characteristics and least distortion cracking is then used for repeated formations of articles.

  18. Hot air drum evaporator. [Patent application

    DOE Patents [OSTI]

    Black, R.L.

    1980-11-12

    An evaporation system for aqueous radioactive waste uses standard 30 and 55 gallon drums. Waste solutions form cascading water sprays as they pass over a number of trays arranged in a vertical stack within a drum. Hot dry air is circulated radially of the drum through the water sprays thereby removing water vapor. The system is encased in concrete to prevent exposure to radioactivity. The use of standard 30 and 55 gallon drums permits an inexpensive compact modular design that is readily disposable, thus eliminating maintenance and radiation build-up problems encountered with conventional evaporation systems.

  19. Ventilation Requirements in Hot Humid Climates†

    E-Print Network [OSTI]

    Walker, I. S.; Sherman, M. H.

    2006-01-01

    ,Ē To be publicshed ASHRAE Trans. Sherman, M.H. and Matson, N.E ďResidential Ventilation and Energy Characteristics,Ē ASHRAE Trans. 103(1), 1997, [LBNL- 39036]. Sherman M. H., ďOver-ventilating in Hot, Humid ClimatesĒ, IAQ Applications, 7(1) pp. 1-4 ASHRAE, 2006...a. Sherman M. H. , ďHouse Need to BreatheÖRight?Ē Fine Homebuilding, April/May 2006; pp. 64-69, LBL Report 54496. Sherman M.H, Matson N.E. , ďAir Tightness in New U.S. HousingĒ Proc. 22 nd AIVC Conference, Air Infiltration and Ventilation...

  20. Hot Fuel Examination Facility/South

    SciTech Connect (OSTI)

    Not Available

    1990-05-01

    This document describes the potential environmental impacts associated with proposed modifications to the Hot Fuel Examination Facility/South (HFEF/S). The proposed action, to modify the existing HFEF/S at the Argonne National Laboratory-West (ANL-W) on the Idaho National Engineering Laboratory (INEL) in southeastern Idaho, would allow important aspects of the Integral Fast Reactor (IFR) concept, offering potential advantages in nuclear safety and economics, to be demonstrated. It would support fuel cycle experiments and would supply fresh fuel to the Experimental Breeder Reactor-II (EBR-II) at the INEL. 35 refs., 12 figs., 13 tabs.

  1. Hot cell shield plug extraction apparatus

    DOE Patents [OSTI]

    Knapp, Philip A. (Moore, ID); Manhart, Larry K. (Pingree, ID)

    1995-01-01

    An apparatus is provided for moving shielding plugs into and out of holes in concrete shielding walls in hot cells for handling radioactive materials without the use of external moving equipment. The apparatus provides a means whereby a shield plug is extracted from its hole and then swung approximately 90 degrees out of the way so that the hole may be accessed. The apparatus uses hinges to slide the plug in and out and to rotate it out of the way, the hinge apparatus also supporting the weight of the plug in all positions, with the load of the plug being transferred to a vertical wall by means of a bolting arrangement.

  2. Control apparatus for hot gas engine

    DOE Patents [OSTI]

    Stotts, Robert E. (Clifton Park, NY)

    1986-01-01

    A mean pressure power control system for a hot gas (Stirling) engine utilizing a plurality of supply tanks for storing a working gas at different pressures. During pump down operations gas is bled from the engine by a compressor having a plurality of independent pumping volumes. In one embodiment of the invention, a bypass control valve system allows one or more of the compressor volumes to be connected to the storage tanks. By selectively sequencing the bypass valves, a capacity range can be developed over the compressor that allows for lower engine idle pressures and more rapid pump down rates.

  3. Multiple volume compressor for hot gas engine

    DOE Patents [OSTI]

    Stotts, Robert E. (Clifton Park, NY)

    1986-01-01

    A multiple volume compressor for use in a hot gas (Stirling) engine having a plurality of different volume chambers arranged to pump down the engine when decreased power is called for and return the working gas to a storage tank or reservoir. A valve actuated bypass loop is placed over each chamber which can be opened to return gas discharged from the chamber back to the inlet thereto. By selectively actuating the bypass valves, a number of different compressor capacities can be attained without changing compressor speed whereby the capacity of the compressor can be matched to the power available from the engine which is used to drive the compressor.

  4. Hot Lake Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

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

  5. Hot Pot Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

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

  6. Just Hot Resources Consulting | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View NewTexas: Energy ResourcesOrder atHills,New York:Just Hot Resources Consulting Jump to:

  7. Ames Laboratory Hot Canyon | The Ames Laboratory

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room News Publications TraditionalWith PropaneNaturalTest YourProgramAmes Laboratory Hot Canyon

  8. Solar Hot Water Heater Industry in Barbados

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCED MANUFACTURINGEnergy BillsNo.Hydrogen4Energy SmoothEquipment CertificationSolar Hot Water

  9. Hot Pot Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsource History View NewGuam: Energyarea,Magazine Jump to:II Wind FarmHorstHot Pot

  10. Hot Pot Geothermal 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 on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsource History View NewGuam: Energyarea,Magazine Jump to:II Wind FarmHorstHot PotPot

  11. Hot Links to Cool Spots - Hanford Site

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

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

  12. Winner: Hot Rocks | Department of Energy

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann Jackson About1996HowFOAShowingFuelWeatherize ¬Ľ AirareAbout Keyof EnergyWinner: Hot

  13. Class 1 Permit Modification Notification Addition of Structures within Technical Area 54, Area G, Pad 11, Dome 375 Los Alamos National Laboratory Hazardous Waste Facility Permit, July 2012

    SciTech Connect (OSTI)

    Vigil-Holterman, Luciana R.; Lechel, Robert A.

    2012-08-31

    The purpose of this letter is to notify the New Mexico Environment Department-Hazardous Waste Bureau (NMED-HWB) of a Class 1 Permit Modification to the Los Alamos National Laboratory (LANL) Hazardous Waste Facility Permit issued to the Department of Energy (DOE) and Los Alamos National Security, LLC (LANS) in November 2010. The modification adds structures to the container storage unit at Technical Area (TA) 54 Area G, Pad 11. Permit Section 3.1(3) requires that changes to the location of a structure that does not manage hazardous waste shall be changed within the Permit as a Class 1 modification without prior approval in accordance with Code of Federal Regulations, Title 40 (40 CFR), {section}270.42(a)(1). Structures have been added within Dome 375 located at TA-54, Area G, Pad 11 that will be used in support of waste management operations within Dome 375 and the modular panel containment structure located within Dome 375, but will not be used as waste management structures. The Class 1 Permit Modification revises Figure 36 in Attachment N, Figures; and Figure G.12-1 in Attachment G.12, Technical Area 54, Area G, Pad 11 Outdoor Container Storage Unit Closure Plan. Descriptions of the structures have also been added to Section A.4.2.9 in Attachment A, TA - Unit Descriptions; and Section 2.0 in Attachment G.12, Technical Area 54, Area G, Pad 11 Outdoor Container Storage Unit Closure Plan. Full description of the permit modification and the necessary changes are included in Enclosure 1. The modification has been prepared in accordance with 40 CFR {section}270.42(a)(l). This package includes this letter and an enclosure containing a description of the permit modification, text edits of the Permit sections, and the revised figures (collectively LA-UR-12-22808). Accordingly, a signed certification page is also enclosed. Three hard copies and one electronic copy of this submittal will be delivered to the NMED-HWB.

  14. Hot Springs Metropolitan Planning Organization 2030 Long Range Transportation Plan†

    E-Print Network [OSTI]

    Hot Springs Metropolitan Planning Organization

    2005-11-03

    of Mountain Pine Hot Springs Village The Greater Hot Springs Chamber of Commerce The Arkansas State Highway and Transportation Department In Cooperation With United States Department of Transportation Federal Highway Administration Federal Transit... Administration 2030 Long Range Transportation Plan for the Hot Springs Area Metropolitan Planning Organization This LRTP has been funded with federal Metropolitan Planning (PL) funds through the Federal Highway Administration, Section 5303 funds...

  15. SDI: Solar Dome Instrument for Solar Irradiance Monitoring Tao Liu1, Ankur U. Kamthe1, Varick L. Erickson1, Carlos F. M. Coimbra2 and Alberto E. Cerpa1

    E-Print Network [OSTI]

    Cerpa, Alberto E.

    SDI: Solar Dome Instrument for Solar Irradiance Monitoring Tao Liu1, Ankur U. Kamthe1, Varick L data for ground solar irradiance (direct normal and global irradiance) is a major obstacle for the de- velopment of adequate policies to promote and take advan- tage of existing solar technologies. Although

  16. Ground Gravity Survey At Roosevelt Hot Springs Geothermal Area...

    Open Energy Info (EERE)

    Ground Gravity Survey At Roosevelt Hot Springs Geothermal Area (Faulder, 1991) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Ground Gravity...

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

    Open Energy Info (EERE)

    Ground Gravity Survey At Neal Hot Springs Geothermal Area (Colwell, Et Al., 2012) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Ground Gravity...

  18. Ground Gravity Survey At Lake City Hot Springs Area (Warpinski...

    Open Energy Info (EERE)

    Ground Gravity Survey At Lake City Hot Springs Area (Warpinski, Et Al., 2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Ground Gravity...

  19. Ground Gravity Survey At Neal Hot Springs Geothermal Area (U...

    Open Energy Info (EERE)

    Ground Gravity Survey At Neal Hot Springs Geothermal Area (U.S. Geothermal Inc., 2007) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Ground...

  20. Controlled Source Frequency-Domain Electromagnetics At Neal Hot...

    Open Energy Info (EERE)

    2012 Colorado School of Mines and Imperial College London (2011) Geophysical Characterization of a Geothermal System Neal Hot Springs, Oregon, USA Additional References...

  1. Thermal Gradient Holes At Breitenbush Hot Springs Area (Ingebritsen...

    Open Energy Info (EERE)

    Thermal Gradient Holes At Breitenbush Hot Springs Area (Ingebritsen, Et Al., 1993) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal...

  2. Thermal Gradient Holes At Neal Hot Springs Geothermal Area (U...

    Open Energy Info (EERE)

    Thermal Gradient Holes At Neal Hot Springs Geothermal Area (U.S. Geothermal Inc., 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal...

  3. Sampling System for Hot Cell Aqueous Processing Streams Julia...

    Office of Scientific and Technical Information (OSTI)

    and Sampling System for Hot Cell Aqueous Processing Streams Julia Tripp; Jack Law; Tara Smith 11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS microfluidics; robotic; sampling...

  4. Water Sampling At Mt Princeton Hot Springs Geothermal Area (Olson...

    Open Energy Info (EERE)

    Water Sampling At Mt Princeton Hot Springs Geothermal Area (Olson & Dellechaie, 1976) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water...

  5. Geothermal Literature Review At Roosevelt Hot Springs Geothermal...

    Open Energy Info (EERE)

    Geothermal Literature Review At Roosevelt Hot Springs Geothermal Area (Faulder, 1991) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geothermal...

  6. Geothermal Literature Review At Roosevelt Hot Springs Geothermal...

    Open Energy Info (EERE)

    Geothermal Literature Review At Roosevelt Hot Springs Geothermal Area (Petersen, 1975) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geothermal...

  7. Micro-Earthquake At Roosevelt Hot Springs Geothermal Area (Zandt...

    Open Energy Info (EERE)

    Micro-Earthquake At Roosevelt Hot Springs Geothermal Area (Zandt, Et Al., 1982) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Micro-Earthquake...

  8. Camperworld Hot Springs SCUBA Dive Pool Pool & Spa Low Temperature...

    Open Energy Info (EERE)

    SCUBA Dive Pool Pool & Spa Low Temperature Geothermal Facility Jump to: navigation, search Name Camperworld Hot Springs SCUBA Dive Pool Pool & Spa Low Temperature Geothermal...

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

    Open Energy Info (EERE)

    Area (Colwell, Et Al., 2012) Exploration Activity Details Location Neal Hot Springs Geothermal Area Exploration Technique Ground Magnetics Activity Date 2011 - 2011...

  10. Modeling the emergence of the 'hot zones': tuberculosis and the ...

    E-Print Network [OSTI]

    2004-09-10

    Sep 19, 2004 ... Tuberculosis and Lung Disease have defined a hot zone as an area where the prevalence of MDRTB cases is >5% (that is, where >5% of.

  11. Compound and Elemental Analysis At Buffalo Valley Hot Springs...

    Open Energy Info (EERE)

    Laney, 2005) Exploration Activity Details Location Buffalo Valley Hot Springs Area Exploration Technique Compound and Elemental Analysis Activity Date Usefulness not indicated...

  12. Refraction Survey At Mt Princeton Hot Springs Geothermal Area...

    Open Energy Info (EERE)

    Refraction Survey At Mt Princeton Hot Springs Geothermal Area (Lamb, Et Al., 2012) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Refraction...

  13. Geologic Setting of the Central Alaskan Hot Springs Belt: Implications...

    Open Energy Info (EERE)

    the Central Alaskan Hot Springs Belt: Implications for Geothermal Resource Capacity and Sustainable Energy Production Jump to: navigation, search OpenEI Reference LibraryAdd to...

  14. Updated Spitzer emission spectroscopy of bright transiting hot...

    Office of Scientific and Technical Information (OSTI)

    Updated Spitzer emission spectroscopy of bright transiting hot Jupiter HD 189733b Citation Details In-Document Search Title: Updated Spitzer emission spectroscopy of bright...

  15. Idaho Public Utilities Commission Approves Neal Hot Springs Power...

    Open Energy Info (EERE)

    Idaho Public Utilities Commission Approves Neal Hot Springs Power Purchase Agreement Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: Idaho Public...

  16. Compound and Elemental Analysis At Lake City Hot Springs Area...

    Open Energy Info (EERE)

    Sladek, Et Al., 2004) Exploration Activity Details Location Lake City Hot Springs Area Exploration Technique Compound and Elemental Analysis Activity Date Usefulness useful...

  17. Data Acquisition-Manipulation At Lake City Hot Springs Area ...

    Open Energy Info (EERE)

    Data Acquisition-Manipulation At Lake City Hot Springs Area (Warpinski, Et Al., 2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Data...

  18. Soil Sampling At Waunita Hot Springs Geothermal Area (Ringrose...

    Open Energy Info (EERE)

    Soil Sampling At Waunita Hot Springs Geothermal Area (Ringrose & Pearl, 1981) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Soil Sampling At...

  19. Analysis Of Hot Springs And Associated Deposits In Yellowstone...

    Open Energy Info (EERE)

    analysis, and VNIR spectroscopy. Samples of hot spring deposits, geyser deposits, and soil were also collected. Analysis of ASTER data provided broad scale characteristics of the...

  20. Vertical Electrical Sounding Configurations At Mt Princeton Hot...

    Open Energy Info (EERE)

    Vertical Electrical Sounding Configurations At Mt Princeton Hot Springs Geothermal Area (Zohdy, Et Al., 1971) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home...

  1. Geothermal Literature Review At Breitenbush Hot Springs Area...

    Open Energy Info (EERE)

    Geothermal Literature Review At Breitenbush Hot Springs Area (Ingebritsen, Et Al., 1996) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  2. Geothermal Literature Review At Lake City Hot Springs Area (Benoit...

    Open Energy Info (EERE)

    Geothermal Literature Review At Lake City Hot Springs Area (Benoit, Et Al., 2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geothermal...

  3. Hydrogeologic investigation of Coso Hot Springs, Inyo County...

    Open Energy Info (EERE)

    for chemical analysis; determination of the local Coso Hot Springs and regional groundwater hydrology, including consideration of recharge, discharge, movement, and water...

  4. Solar Hot Water Creates Savings for Homeless Shelters

    Broader source: Energy.gov [DOE]

    The state of Arizona and the House of Refuge Sunnyslope are partnering to install solar hot water systems at five Phoenix-area housing sites for homeless men.

  5. An inequality for potentials and the ďhotĖspotsĒ conjecture

    E-Print Network [OSTI]

    2003-06-04

    inequality, by the conformal invariance of Brownian motion, implies a result of Pascu [13] on ďhotĖspotsĒ for certain symmetric convex domains. ?Supported in†...

  6. TYPICAL HOT WATER DRAW PATTERNS BASED ON FIELD DATA

    E-Print Network [OSTI]

    Lutz, Jim

    2014-01-01

    for Rating Residential Water Heaters. Atlanta, GA: ASHRAE,Procedures for Residential Water Heaters, Direct HeatingY. Qin, and M. Melody. "Hot Water Draw Patterns in Single-

  7. Tool for Generating Realistic Residential Hot Water Event Schedules...

    Energy Savers [EERE]

    Paper NRELCP-550-47685 August 2010 Tool for Generating Realistic Residential Hot Water Event Schedules Preprint Bob Hendron and Jay Burch National Renewable Energy...

  8. Direct-Current Resistivity Survey At Beowawe Hot Springs Area...

    Open Energy Info (EERE)

    Direct-Current Resistivity Survey At Beowawe Hot Springs Area (Garg, Et Al., 2007) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Direct-Current...

  9. Direct-Current Resistivity At Beowawe Hot Springs Area (Garg...

    Open Energy Info (EERE)

    Direct-Current Resistivity At Beowawe Hot Springs Area (Garg, Et Al., 2007) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Direct-Current...

  10. Direct-Current Resistivity Survey At Roosevelt Hot Springs Area...

    Open Energy Info (EERE)

    Direct-Current Resistivity Survey At Roosevelt Hot Springs Area (Combs 2006) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Direct-Current...

  11. Direct-Current Resistivity Survey At Mt Princeton Hot Springs...

    Open Energy Info (EERE)

    Direct-Current Resistivity Survey At Mt Princeton Hot Springs Area (Richards, Et Al., 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  12. Geothermometry At Mt Princeton Hot Springs Geothermal Area (Pearl...

    Open Energy Info (EERE)

    Et Al., 1976) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geothermometry At Mt Princeton Hot Springs Geothermal Area (Pearl, Et Al., 1976)...

  13. Advanced Seismic data Analysis Program (The "Hot Pot Project...

    Open Energy Info (EERE)

    Advanced Seismic data Analysis Program (The "Hot Pot Project") Geothermal Project Jump to: navigation, search Last modified on July 22, 2011. Project Title Advanced Seismic data...

  14. Seismic baseline and induction studies- Roosevelt Hot Springs...

    Open Energy Info (EERE)

    Seismic baseline and induction studies- Roosevelt Hot Springs, Utah and Raft River, Idaho Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: Seismic...

  15. Vertical Seismic Profiling At Neal Hot Springs Geothermal Area...

    Open Energy Info (EERE)

    Vertical Seismic Profiling At Neal Hot Springs Geothermal Area (Colorado School of Mines and Imperial College London, 2011) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal...

  16. Hot water can freeze faster than cold?!?

    E-Print Network [OSTI]

    Monwhea Jeng

    2005-12-29

    We review the Mpemba effect, where intially hot water freezes faster than initially cold water. While the effect appears impossible at first sight, it has been seen in numerous experiments, was reported on by Aristotle, Francis Bacon, and Descartes, and has been well-known as folklore around the world. It has a rich and fascinating history, which culminates in the dramatic story of the secondary school student, Erasto Mpemba, who reintroduced the effect to the twentieth century scientific community. The phenomenon, while simple to describe, is deceptively complex, and illustrates numerous important issues about the scientific method: the role of skepticism in scientific inquiry, the influence of theory on experiment and observation, the need for precision in the statement of a scientific hypothesis, and the nature of falsifiability. We survey proposed theoretical mechanisms for the Mpemba effect, and the results of modern experiments on the phenomenon. Studies of the observation that hot water pipes are more likely to burst than cold water pipes are also described.

  17. Hot Cell Window Shielding Analysis Using MCNP

    SciTech Connect (OSTI)

    Chad L. Pope; Wade W. Scates; J. Todd Taylor

    2009-05-01

    The Idaho National Laboratory Materials and Fuels Complex nuclear facilities are undergoing a documented safety analysis upgrade. In conjunction with the upgrade effort, shielding analysis of the Fuel Conditioning Facility (FCF) hot cell windows has been conducted. This paper describes the shielding analysis methodology. Each 4-ft thick window uses nine glass slabs, an oil film between the slabs, numerous steel plates, and packed lead wool. Operations in the hot cell center on used nuclear fuel (UNF) processing. Prior to the shielding analysis, shield testing with a gamma ray source was conducted, and the windows were found to be very effective gamma shields. Despite these results, because the glass contained significant amounts of lead and little neutron absorbing material, some doubt lingered regarding the effectiveness of the windows in neutron shielding situations, such as during an accidental criticality. MCNP was selected as an analysis tool because it could model complicated geometry, and it could track gamma and neutron radiation. A bounding criticality source was developed based on the composition of the UNF. Additionally, a bounding gamma source was developed based on the fission product content of the UNF. Modeling the windows required field inspections and detailed examination of drawings and material specifications. Consistent with the shield testing results, MCNP results demonstrated that the shielding was very effective with respect to gamma radiation, and in addition, the analysis demonstrated that the shielding was also very effective during an accidental criticality.

  18. Geothermal Exploration in Hot Springs, Montana

    SciTech Connect (OSTI)

    Toby McIntosh, Jackola Engineering

    2012-09-26

    The project involves drilling deeper in the Camp Aqua well dri lled in June 1982 as part of an effort to develop an ethanol plant. The purpose of the current drill ing effort is to determine if water at or above 165√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬įF exists for the use in low temperature resource power generation. Previous geothermal resource study efforts in and around Hot Springs , MT and the Camp Aqua area (NE of Hot Springs) have been conducted through the years. A confined gravel aquifer exists in deep alluvium overlain by approximately 250√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬Ę√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬? of si lt and c lay deposits from Glacial Lake Missoula. This gravel aquifer overlies a deeper bedrock aquifer. In the Camp Aqua area several wel l s exist in the gravel aquifer which receives hot water f rom bedrock fractures beneath the area. Prior to this exploration, one known well in the Camp Aqua area penetrated into the bedrock without success in intersecting fractures transporting hot geothermal water. The exploration associated with this project adds to the physical knowledge database of the Camp Aqua area. The dri l l ing effort provides additional subsurface information that can be used to gain a better understanding of the bedrock formation that i s leaking hot geothermal water into an otherwise cold water aquifer. The exi s t ing well used for the explorat ion is located within the √?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬Ę√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?center√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬Ę√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬Ě of the hottest water within the gravel aquifer. This lent i t sel f as a logical and economical location to continue the exploration within the existing well. Faced with budget constraints due to unanticipated costs, changing dril l ing techniques stretched the limited project resources to maximize the overa l l well depth which f e l l short of original project goals. The project goal of finding 165√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬įF or hotter water was not achieved; however the project provides additional information and understanding of the Camp Aqua area that could prove valuable in future exploration efforts

  19. The Chilled Water and Hot Water Building Differential Pressure Setpoint Calculation - Chilled Water and Hot Water Pump Speed Control†

    E-Print Network [OSTI]

    Turner, W. D.; Bruner, H., Jr.; Claridge, D.; Liu, C.; Deng, S.

    2002-01-01

    Water and Hot Water Building Deferential Pressure Setpoint Calculation ? Chilled Water and Hot Water Pump Speed Control Chenggang Liu Research Associate Energy Systems Laboratory Texas A&M University College Station, TX Homer L. Bruner... of chilled water and hot water consumption with the leaking control valves on the cooling and heating coils. Variable speed pumps save cooling and heating energies. However, most of these advantages are lost when proper speed control is not maintained...

  20. Donlay Ranch Hot Spring Greenhouse Low Temperature Geothermal Facility |

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, Alabama (UtilityInstrumentsArea (DOEDixmont, Maine: EnergyOpenDomeOpenOpen Energy

  1. Regional seismic reflection line, southern Illinois Basin, provides new data on Cambrian rift geometry, Hicks Dome genesis, and the Fluorspar Area Fault Complex

    SciTech Connect (OSTI)

    Potter, C.J.; Goldhaber, M.B.; Taylor, C.D. (U.S. Geological Survey, Denver, CO (United States)); Heigold, P.C. (Illinois State Geological Survey, Champaign, IL (United States))

    1992-01-01

    Detailed studies of the subsurface structure of the Cambrian Reelfoot rift (RFR) in the Midwestern US provide important insights into continental rifting processes and into the structural fabric of a zone of modern intracratonic seismicity (New Madrid zone). High-quality oil industry seismic reflection data show that in the area of transition between the RFR and the Rough Creek Graben (RCG) the geometry of the Cambrian rift system is that of a half-graben that thickens to the southeast. This contrasts with the northward-thickening half-graben observed to the east in the RCG and with the more symmetric graben to the south in the RFR. An 82.8-km segment of a northwest-southeast seismic reflection profile in southeastern Illinois and western Kentucky shows that near Hicks Dome, Illinois, Middle and Lower Cambrian syn-rift sedimentary rocks occupy about 0.35 s (two-way travel time) on the seismic reflection section (corresponding to a thickness of about 970 m). This stratigraphic interval occupies about 0.45 s (1,250 m) near the Ohio river and is thickest against the Tabb Fault System (TFS) in Kentucky, where it occupies 0.7 s (1,940 m). The seismic data show that in this part of the Cambrian rift the master fault was part of the TFS and that normal displacement on the TFS continued through middle Paleozoic time. The seismic data also provide new information on the late Paleozoic development of Hicks-Dome and the surrounding Fluorspar Area Fault Complex (FAFC) in southeastern Illinois and western Kentucky. A series of grabens and horsts in the FAFC document a late Paleozoic reactivation of the RFR. Comparison of the reflection data with surface mineralization patterns shows that in most cases mineralized graben-bounding faults clearly cut basement or are splays from faults that cut basement.

  2. Optical NEP in Hot-Electron Nanobolometers

    E-Print Network [OSTI]

    Karasik, Boris S

    2010-01-01

    For the first time, we have measured the optical noise equivalent power (NEP) in titanium (Ti) superconducting hot-electron nanobolometers (nano-HEBs). The bolometers were 2{\\mu}mx1{\\mu}mx20nm and 1{\\mu}mx1{\\mu}mx20nm planar antenna-coupled devices. The measurements were done at {\\lambda} = 460 {\\mu}m using a cryogenic black body radiation source delivering optical power from a fraction of a femtowatt to a few 100s of femtowatts. A record low NEP = 3x10^{-19} W/Hz^{1/2} at 50 mK has been achieved. This sensitivity meets the requirements for SAFARI instrument on the SPICA telescope. The ways for further improvement of the nano-HEB detector sensitivity are discussed.

  3. Electrically tunable hot-silicon terahertz attenuator

    SciTech Connect (OSTI)

    Wang, Minjie; Vajtai, Robert; Ajayan, Pulickel M.; Kono, Junichiro

    2014-10-06

    We have developed a continuously tunable, broadband terahertz attenuator with a transmission tuning range greater than 10{sup 3}. Attenuation tuning is achieved electrically, by simply changing the DC voltage applied to a heating wire attached to a bulk silicon wafer, which controls its temperature between room temperature and ?550?K, with the corresponding free-carrier density adjusted between ?10{sup 11?}cm{sup ?3} and ?10{sup 17?}cm{sup ?3}. This ďhot-siliconĒ-based terahertz attenuator works most effectively at 450Ė550?K (corresponding to a DC voltage variation of only ?7?V) and completely shields terahertz radiation above 550?K in a frequency range of 0.1Ė2.5 THz. Both intrinsic and doped silicon wafers were tested and demonstrated to work well as a continuously tunable attenuator. All behaviors can be understood quantitatively via the free-carrier Drude model taking into account thermally activated intrinsic carriers.

  4. Hot gas path component cooling system

    DOE Patents [OSTI]

    Lacy, Benjamin Paul; Bunker, Ronald Scott; Itzel, Gary Michael

    2014-02-18

    A cooling system for a hot gas path component is disclosed. The cooling system may include a component layer and a cover layer. The component layer may include a first inner surface and a second outer surface. The second outer surface may define a plurality of channels. The component layer may further define a plurality of passages extending generally between the first inner surface and the second outer surface. Each of the plurality of channels may be fluidly connected to at least one of the plurality of passages. The cover layer may be situated adjacent the second outer surface of the component layer. The plurality of passages may be configured to flow a cooling medium to the plurality of channels and provide impingement cooling to the cover layer. The plurality of channels may be configured to flow cooling medium therethrough, cooling the cover layer.

  5. Magnetic island evolution in hot ion plasmas

    SciTech Connect (OSTI)

    Ishizawa, A.; Nakajima, N.; Waelbroeck, F. L.; Fitzpatrick, R.; Horton, W.

    2012-07-15

    Effects of finite ion temperature on magnetic island evolution are studied by means of numerical simulations of a reduced set of two-fluid equations which include ion as well as electron diamagnetism in slab geometry. The polarization current is found to be almost an order of magnitude larger in hot than in cold ion plasmas, due to the strong shear of ion velocity around the separatrix of the magnetic islands. As a function of the island width, the propagation speed decreases from the electron drift velocity (for islands thinner than the Larmor radius) to values close to the guiding-center velocity (for islands of order 10 times the Larmor radius). In the latter regime, the polarization current is destabilizing (i.e., it drives magnetic island growth). This is in contrast to cold ion plasmas, where the polarization current is generally found to have a healing effect on freely propagating magnetic island.

  6. Telescopic nanotube device for hot nanolithography

    DOE Patents [OSTI]

    Popescu, Adrian; Woods, Lilia M

    2014-12-30

    A device for maintaining a constant tip-surface distance for producing nanolithography patterns on a surface using a telescopic nanotube for hot nanolithography. An outer nanotube is attached to an AFM cantilever opposite a support end. An inner nanotube is telescopically disposed within the outer nanotube. The tip of the inner nanotube is heated to a sufficiently high temperature and brought in the vicinity of the surface. Heat is transmitted to the surface for thermal imprinting. Because the inner tube moves telescopically along the outer nanotube axis, a tip-surface distance is maintained constant due to the vdW force interaction, which in turn eliminates the need of an active feedback loop.

  7. Thermodynamics of pairing transition in hot nuclei

    E-Print Network [OSTI]

    Lang Liu; Zhen-Hua Zhang; Peng-Wei Zhao

    2014-12-16

    The pairing correlations in hot nuclei $^{162}$Dy are investigated in terms of the thermodynamical properties by covariant density functional theory. The heat capacities $C_V$ are evaluated in the canonical ensemble theory and the paring correlations are treated by a shell-model-like approach, in which the particle number is conserved exactly. A S-shaped heat capacity curve, which agrees qualitatively with the experimental data, has been obtained and analyzed in details. It is found that the one-pair-broken states play crucial roles in the appearance of the S shape of the heat capacity curve. Moreover, due to the effect of the particle-number conservation, the pairing gap varies smoothly with the temperature, which indicates a gradual transition from the superfluid to the normal state.

  8. Thermodynamics of pairing transition in hot nuclei

    E-Print Network [OSTI]

    Lang Liu; Zhen-Hua Zhang; Peng-Wei Zhao

    2015-10-09

    The pairing correlations in hot nuclei $^{162}$Dy are investigated in terms of the thermodynamical properties by covariant density functional theory. The heat capacities $C_V$ are evaluated in the canonical ensemble theory and the paring correlations are treated by a shell-model-like approach, in which the particle number is conserved exactly. A S-shaped heat capacity curve, which agrees qualitatively with the experimental data, has been obtained and analyzed in details. It is found that the one-pair-broken states play crucial roles in the appearance of the S shape of the heat capacity curve. Moreover, due to the effect of the particle-number conservation, the pairing gap varies smoothly with the temperature, which indicates a gradual transition from the superfluid to the normal state.

  9. Process for making ceramic hot gas filter

    DOE Patents [OSTI]

    Connolly, Elizabeth Sokolinski (Wilmington, DE); Forsythe, George Daniel (Landenberg, PA); Domanski, Daniel Matthew (New Castle, DE); Chambers, Jeffrey Allen (Hockessin, DE); Rajendran, Govindasamy Paramasivam (Boothwyn, PA)

    2001-01-01

    A ceramic hot-gas candle filter having a porous support of filament-wound oxide ceramic yarn at least partially surrounded by a porous refractory oxide ceramic matrix, and a membrane layer on at least one surface thereof. The membrane layer may be on the outer surface, the inner surface, or both the outer and inner surface of the porous support. The membrane layer may be formed of an ordered arrangement of circularly wound, continuous filament oxide ceramic yarn, a ceramic filler material which is less permeable than the filament-wound support structure, or some combination of continuous filament and filler material. A particularly effective membrane layer features circularly wound filament with gaps intentionally placed between adjacent windings, and a filler material of ceramic particulates uniformly distributed throughout the gap region. The filter can withstand thermal cycling during backpulse cleaning and is resistant to chemical degradation at high temperatures.

  10. The HotQCD Equation of State

    E-Print Network [OSTI]

    R. A. Soltz

    2009-09-14

    We present results from recent calculations of the QCD equation of state by the HotQCD Collaboration and review the implications for hydrodynamic modeling. The equation of state of QCD at zero baryon density was calculated on a lattice of dimensions $32^3 \\times 8$ with $m_l = 0.1 m_s$ (corresponding to a pion mass of $\\sim$220 MeV) using two improved staggered fermion actions, p4 and asqtad. C alculations were performed along lines of constant physics using more than 100M cpu-hours on BG/L supercomputers at LLNL, NYBlue, and SDSC. We present paramete rizations of the equation of state suitable for input into hydrodynamics models of heavy ion collisions.

  11. Hot Cell Facility (HCF) Safety Analysis Report

    SciTech Connect (OSTI)

    MITCHELL,GERRY W.; LONGLEY,SUSAN W.; PHILBIN,JEFFREY S.; MAHN,JEFFREY A.; BERRY,DONALD T.; SCHWERS,NORMAN F.; VANDERBEEK,THOMAS E.; NAEGELI,ROBERT E.

    2000-11-01

    This Safety Analysis Report (SAR) is prepared in compliance with the requirements of DOE Order 5480.23, Nuclear Safety Analysis Reports, and has been written to the format and content guide of DOE-STD-3009-94 Preparation Guide for U. S. Department of Energy Nonreactor Nuclear Safety Analysis Reports. The Hot Cell Facility is a Hazard Category 2 nonreactor nuclear facility, and is operated by Sandia National Laboratories for the Department of Energy. This SAR provides a description of the HCF and its operations, an assessment of the hazards and potential accidents which may occur in the facility. The potential consequences and likelihood of these accidents are analyzed and described. Using the process and criteria described in DOE-STD-3009-94, safety-related structures, systems and components are identified, and the important safety functions of each SSC are described. Additionally, information which describes the safety management programs at SNL are described in ancillary chapters of the SAR.

  12. Hot Springs-Garrison Fiber Optic Project

    SciTech Connect (OSTI)

    Not Available

    1994-10-01

    Bonneville Power Administration (BPA) is proposing to upgrade its operational telecommunications system between the Hot Springs Substation and the Garrison Substation using a fiber optic system. The project would primarily involve installing 190 kilometers (120 miles) of fiber optic cable on existing transmission structures and installing new fiber optic equipment in BPA`s substation yards and control houses. BPA prepared an environmental assessment (EA) evaluating the proposed action. This EA was published in October 1994. The EA identifies a number of minor impacts that might occur as a result of the proposed action, as well as some recommended mitigation measures. This Mitigation Action Plan (MAP) identifies specific measures to avoid, minimize, or compensate for impacts identified in the EA.

  13. Dynamical Modelling of Hot Stellar Systems

    E-Print Network [OSTI]

    David Merritt

    1995-10-30

    Estimation of the distribution function f and potential Phi of hot stellar systems from kinematical data is discussed. When the functional forms of f and Phi are not specified a priori, accurate estimation of either function requires very high quality data: either accurate ``line profiles'' at radii extending well beyond an effective radius, or large samples of discrete radial velocities. Estimates of Phi(r) based on much smaller data sets can be very strongly influenced by assumptions, explicit or implicit, about the form of f. The importance of casting the estimation problem into a mathematically determined form is stressed. Some techniques for nonparametric estimation are presented, with some preliminary results of their application to real stellar systems.

  14. Superconducting cuprate heterostructures for hot electron bolometers

    SciTech Connect (OSTI)

    Wen, B.; Yakobov, R.; Vitkalov, S. A.; Sergeev, A.

    2013-11-25

    Transport properties of the resistive state of quasi-two dimensional superconducting heterostructures containing ultrathin La{sub 2?x}Sr{sub x}CuO{sub 4} layers synthesized using molecular beam epitaxy are studied. The electron transport exhibits strong deviation from Ohm's law, ?V??I{sup 3}, with a coefficient ?(T) that correlates with the temperature variation of the resistivity d?/dT. Close to the normal state, analysis of the nonlinear behavior in terms of electron heating yields an electron-phonon thermal conductance per unit area g{sub e?ph}?1 W/K cm{sup 2} at T = 20 K, one-two orders of magnitude smaller than in typical superconductors. This makes superconducting LaSrCuO heterostructures to be attractive candidate for the next generation of hot electron bolometers with greatly improved sensitivity.

  15. Use of low temperature blowers for recirculation of hot gases

    DOE Patents [OSTI]

    Maru, H.C.; Forooque, M.

    1982-08-19

    An apparatus is described for maintaining motors at low operating temperatures during recirculation of hot gases in fuel cell operations and chemical processes such as fluidized bed coal gasification. The apparatus includes a means for separating the hot process gas from the motor using a secondary lower temperature gas, thereby minimizing the temperature increase of the motor and associated accessories.

  16. Forecasting Hot Water Consumption in Dwellings Using Artifitial Neural Networks

    E-Print Network [OSTI]

    MacDonald, Mark

    electricity consumption in time. This paper investigates the ability on Artificial Neural Networks to predict shift electric energy. Keywords--Hot Water Consumption; Forecasting; Artifitial Neural Networks; SmartForecasting Hot Water Consumption in Dwellings Using Artifitial Neural Networks Linas Gelazanskas

  17. Self-contained hot-hollow cathode gun source assembly

    DOE Patents [OSTI]

    Zeren, J.D.

    1984-08-01

    A self-contained hot-hollow cathode gun source assembly for use in a vacuum chamber includes a crucible block having a hot-hollow cathode gun mounted underneath and providing a hole for the magnetic deflection of the ion/electron beam into a crucible on top the block.

  18. Self-contained hot-hollow cathode gun source assembly

    DOE Patents [OSTI]

    Zeren, Joseph D. (Boulder, CO)

    1986-01-01

    A self-contained hot-hollow cathode gun source assembly for use in a vacuum chamber includes a crucible block having a hot-hollow cathode gun mounted underneath and providing a hole for the magnetic deflection of the ion/electron beam into a crucible on top the block.

  19. Hot Interstellar Matter in Elliptical Galaxies For further volumes

    E-Print Network [OSTI]

    Kim, Dong-Woo

    , India B. V. SOMOV, Astronomical Institute, Moscow State University, Russia R. A. SUNYAEV, Space Research Institute, Moscow, Russia #12;Dong-Woo Kim Silvia Pellegrini Editors Hot Interstellar Matter in Elliptical and the large collecting area of XMM-Newton, the fine structure of the hot gas has been imaged in detail

  20. Hot neutron star in generalized thermo-statistics

    E-Print Network [OSTI]

    Hot neutron star in generalized thermo-statistics K. Miyazaki E-mail: miyazakiro@rio.odn.ne.jp Abstract The hot neutron star (NS) is investigated for the ...rst time in the generalized thermo-statistics. The study of neutron star (NS) is an important subject in nuclear physics and astro- physics. The equation

  1. ADVANCED HOT SECTION MATERIALS AND COATINGS TEST RIG

    SciTech Connect (OSTI)

    Scott Reome; Dan Davies

    2004-04-30

    The Hyperbaric Advanced Hot Section Materials & Coating Test Rig program provides design and implementation of a laboratory rig capable of simulating the hot gas path conditions of coal-gas fired industrial gas turbine engines. The principal activity during this reporting period were the evaluation of syngas combustor concepts, the evaluation of test section concepts and the selection of the preferred rig configuration.

  2. Advanced Hot Section Materials and Coatings Test Rig

    SciTech Connect (OSTI)

    Dan Davies

    2004-10-30

    The Hyperbaric Advanced Hot Section Materials & Coating Test Rig program provides design and implementation of a laboratory rig capable of simulating the hot gas path conditions of coal-gas fired industrial gas turbine engines. The principal activities during this reporting period were the continuation of test section detail design and developing specifications for auxiliary systems and facilities.

  3. RESONANT FARADAY ROTATION IN A HOT LITHIUM VAPOR

    E-Print Network [OSTI]

    Cronin, Alex D.

    RESONANT FARADAY ROTATION IN A HOT LITHIUM VAPOR By SCOTT RUSSELL WAITUKAITIS A Thesis Submitted: #12;Abstract I describe a study of Faraday rotation in a hot lithium vapor. I begin by dis- cussing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.3 The Lithium Oven and Solenoid . . . . . . . . . . . . . . . . . 7 3 Theoretical Framework

  4. Analysis Model for Domestic Hot Water Distribution Systems: Preprint

    SciTech Connect (OSTI)

    Maguire, J.; Krarti, M.; Fang, X.

    2011-11-01

    A thermal model was developed to estimate the energy losses from prototypical domestic hot water (DHW) distribution systems for homes. The developed model, using the TRNSYS simulation software, allows researchers and designers to better evaluate the performance of hot water distribution systems in homes. Modeling results were compared with past experimental study results and showed good agreement.

  5. Redshift of photons penetrating a hot plasma

    E-Print Network [OSTI]

    Ari Brynjolfsson

    2005-10-07

    A new interaction, plasma redshift, is derived, which is important only when photons penetrate a hot, sparse electron plasma. The derivation of plasma redshift is based entirely on conventional axioms of physics. When photons penetrate a cold and dense plasma, they lose energy through ionization and excitation, Compton scattering on the individual electrons, and Raman scattering on the plasma frequency. But in sparse hot plasma, such as in the solar corona, the photons lose energy also in plasma redshift. The energy loss per electron in the plasma redshift is about equal to the product of the photon's energy and one half of the Compton cross-section per electron. In quiescent solar corona, this heating starts in the transition zone to the corona and is a major fraction of the coronal heating. Plasma redshift contributes also to the heating of the interstellar plasma, the galactic corona, and the intergalactic plasma. Plasma redshift explains the solar redshifts, the redshifts of the galactic corona, the cosmological redshifts, the cosmic microwave background, and the X-ray background. The plasma redshift explains the observed magnitude-redshift relation for supernovae SNe Ia without the big bang, dark matter, or dark energy. There is no cosmic time dilation. The universe is not expanding. The plasma redshift, when compared with experiments, shows that the photons' classical gravitational redshifts are reversed as the photons move from the Sun to the Earth. This is a quantum mechanical effect. As seen from the Earth, a repulsion force acts on the photons. This means that there is no need for Einstein's Lambda term. The universe is quasi-static, infinite, and everlasting.

  6. Kelley Hot Spring Geothermal Project: Kelly Hot Spring Agricultural Center conceptual design

    SciTech Connect (OSTI)

    Longyear, A.B. (ed.)

    1980-06-01

    The proposed core activity in the Kelly Hot Spring Agricultural Center is a nominal 1200 sow swine raising complex. The swine raising is to be a totally confined operation for producing premium pork in controlled environment facilities that utilize geothermal energy. The complex will include a feedmill for producing the various feed formulae required for the animals from breeding through gestation, farrowing, nursery, growing and finishing. The market animals are shipped live by truck to slaughter in Modesto, California. A complete waste management facility will include manure collection from all raising areas, transport via a water flush sysem to methane (biogas) generators, manure separation, settling ponds and disposition of the surplus agricultural quality water. The design is based upon the best commercial practices in confined swine raising in the US today. The most unique feature of the facility is the utilization of geothermal hot water for space heating and process energy throughout the complex.

  7. ANALYSIS OF OFF-GRID, OFF-PIPE HOUSING FOR HOT-HUMID AND HOT-ARID CLIMATES†

    E-Print Network [OSTI]

    Malhotra, M.; Haberl, J.

    2008-01-01

    This paper investigates the feasibility of off-grid, off-pipe housing in hot-humid and hot-arid climates in the U.S. The study aims to eliminate the need for non-renewable sources of energy and municipal water in residences by using off-grid, off...

  8. SIMULATION OF POROSITY AND HOT TEARS IN A SQUEEZE CAST MAGNESIUM CONTROL ARM

    E-Print Network [OSTI]

    Beckermann, Christoph

    : Magnesium Alloys, Casting, Shrinkage Porosity, Hot Tears, Modeling Abstract Simulations are performed within commercial casting simulation software to predict shrinkage porosity and hot tears changes are introduced to mitigate the shrinkage and hot tear problems in these castings. The comparisons

  9. Floating loop method for cooling integrated motors and inverters using hot liquid refrigerant

    DOE Patents [OSTI]

    Hsu, John S.; Ayers, Curtis W.; Coomer, Chester; Marlino, Laura D.

    2007-03-20

    A method for cooling vehicle components using the vehicle air conditioning system comprising the steps of: tapping the hot liquid refrigerant of said air conditioning system, flooding a heat exchanger in the vehicle component with said hot liquid refrigerant, evaporating said hot liquid refrigerant into hot vapor refrigerant using the heat from said vehicle component, and returning said hot vapor refrigerant to the hot vapor refrigerant line in said vehicle air conditioning system.

  10. Hot spot generation in energetic materials created by long-wavelength...

    Office of Scientific and Technical Information (OSTI)

    Hot spot generation in energetic materials created by long-wavelength infrared radiation Citation Details In-Document Search Title: Hot spot generation in energetic materials...

  11. Hot Water Draw Patterns in Single-Family Houses: Findings from Field Studies

    E-Print Network [OSTI]

    Lutz, Jim

    2012-01-01

    LBNL-4830E Hot Water Draw Patterns in Single-Family Houses:Program, under Residential Water Heating Program Contractunderstand residential hot water draw patterns. We hope to

  12. HOT GAS HALOS IN EARLY-TYPE FIELD GALAXIES

    SciTech Connect (OSTI)

    Mulchaey, John S. [Observatories of the Carnegie Institution of Science, 813 Santa Barbara Street, Pasadena, CA 91101 (United States); Jeltema, Tesla E., E-mail: mulchaey@obs.carnegiescience.ed, E-mail: tesla@ucolick.or [UCO/Lick Observatories, 1156 High Street, Santa Cruz, CA 95064 (United States)

    2010-05-20

    We use Chandra and XMM-Newton to study the hot gas content in a sample of field early-type galaxies. We find that the L {sub X}-L {sub K} relationship is steeper for field galaxies than for comparable galaxies in groups and clusters. The low hot gas content of field galaxies with L {sub K} {approx_lt} L {sub *} suggests that internal processes such as supernovae-driven winds or active galactic nucleus feedback expel hot gas from low-mass galaxies. Such mechanisms may be less effective in groups and clusters where the presence of an intragroup or intracluster medium can confine outflowing material. In addition, galaxies in groups and clusters may be able to accrete gas from the ambient medium. While there is a population of L {sub K} {approx_lt} L {sub *} galaxies in groups and clusters that retain hot gas halos, some galaxies in these rich environments, including brighter galaxies, are largely devoid of hot gas. In these cases, the hot gas halos have likely been removed via ram pressure stripping. This suggests a very complex interplay between the intragroup/intracluster medium and hot gas halos of galaxies in rich environments, with the ambient medium helping to confine or even enhance the halos in some cases and acting to remove gas in others. In contrast, the hot gas content of more isolated galaxies is largely a function of the mass of the galaxy, with more massive galaxies able to maintain their halos, while in lower mass systems the hot gas escapes in outflowing winds.

  13. Hot Sulphur Springs Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

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

  14. Superheated water drops in hot oil

    E-Print Network [OSTI]

    Soto, Enrique; Belmonte, Andrew

    2009-01-01

    Drops of water at room temperature were released in hot oil, which had a temperature higher than that of the boiling point of water. Initially, the drop temperature increases slowly mainly due to heat transfer diffusion; convective heat transfer is small because the motion takes place at a small Reynolds number. Once the drop reaches the bottom of the container, it sticks to the surface with a certain contact angle. Then, a part of the drop vaporizes: the nucleation point may appear at the wall, the interface or the bulk of the drop. The vapor expands inside the drop and deforms its interface. The way in which the vapor expands, either smooth or violent, depends on the location of the nucleation point and oil temperature. Furthermore, for temperatures close to the boiling point of water, the drops are stable (overheated); the vaporization does not occur spontaneously but it may be triggered with an external perturbation. In this case the growth of the vapor bubble is rather violent. Many visualization for dif...

  15. Hot isostatic press waste option study report

    SciTech Connect (OSTI)

    Russell, N.E.; Taylor, D.D.

    1998-02-01

    A Settlement Agreement between the Department of Energy and the State of Idaho mandates that all high-level radioactive waste now stored at the Idaho Chemical Processing Plant be treated so that it is ready to move out of Idaho for disposal by the target date of 2035. This study investigates the immobilization of all Idaho Chemical Processing Plant calcine, including calcined sodium bearing waste, via the process known as hot isostatic press, which produces compact solid waste forms by means of high temperature and pressure (1,050 C and 20,000 psi), as the treatment method for complying with the settlement agreement. The final waste product would be contained in stainless-steel canisters, the same type used at the Savannah River Site for vitrified waste, and stored at the Idaho National Engineering and Environmental Laboratory until a national geological repository becomes available for its disposal. The waste processing period is from 2013 through 2032, and disposal at the High Level Waste repository will probably begin sometime after 2065.

  16. Heat pump system with hot water defrost

    SciTech Connect (OSTI)

    Dudley, K.F.

    1988-08-30

    This patent describes an integrated heat pump and hot water system that includes, a heat pump having an indoor heat exchanger unit and an outdoor heat exchanger unit that are selectively connected to a compressor inlet and a compressor outlet by a flow reversing means and to each other by a flow reversing means and to each other by a refrigerant liquid line containing a bi-flow expansion valve for metering refrigerant moving in either direction through the liquid line, and bi-flow expansion valve having a positive shut off means to prevent refrigerant from flowing therethrough, a refrigerant to water heat exchanger having a water flow circuit that is in heat transfer relation with a first refrigerant condensing circuit and a second refrigerant evaporating circuit. The refrigerant condensing circuit is connected into a discharge line connecting the outlet of the compressor to the reversing means whereby all the refrigerant discharged by the compressor passes through the condensing circuit. The refrigerant evaporating circuit is connected at one end to the inlet of the compressor and at the other end to an evaporator line that is operatively joined to the liquid line at a point between the bi-flow expansion valve and the outdoor heat exchanger, a metering valve in the evaporator line that is selectively movable between a first closed position whereby refrigerant is prevented from moving through the evaporator line and an open position whereby refrigerant is throttled from the liquid line into the evaporator circuit.

  17. Statistical Hot Channel Analysis for the NBSR

    SciTech Connect (OSTI)

    Cuadra A.; Baek J.

    2014-05-27

    A statistical analysis of thermal limits has been carried out for the research reactor (NBSR) at the National Institute of Standards and Technology (NIST). The objective of this analysis was to update the uncertainties of the hot channel factors with respect to previous analysis for both high-enriched uranium (HEU) and low-enriched uranium (LEU) fuels. Although uncertainties in key parameters which enter into the analysis are not yet known for the LEU core, the current analysis uses reasonable approximations instead of conservative estimates based on HEU values. Cumulative distribution functions (CDFs) were obtained for critical heat flux ratio (CHFR), and onset of flow instability ratio (OFIR). As was done previously, the Sudo-Kaminaga correlation was used for CHF and the Saha-Zuber correlation was used for OFI. Results were obtained for probability levels of 90%, 95%, and 99.9%. As an example of the analysis, the results for both the existing reactor with HEU fuel and the LEU core show that CHFR would have to be above 1.39 to assure with 95% probability that there is no CHF. For the OFIR, the results show that the ratio should be above 1.40 to assure with a 95% probability that OFI is not reached.

  18. Axion hot dark matter bounds after Planck

    SciTech Connect (OSTI)

    Archidiacono, Maria; Hannestad, Steen; Mirizzi, Alessandro; Raffelt, Georg; Wong, Yvonne Y.Y. E-mail: sth@phys.au.dk E-mail: raffelt@mpp.mpg.de

    2013-10-01

    We use cosmological observations in the post-Planck era to derive limits on thermally produced cosmological axions. In the early universe such axions contribute to the radiation density and later to the hot dark matter fraction. We find an upper limit m{sub a} < 0.67 eV at 95% C.L. after marginalising over the unknown neutrino masses, using CMB temperature and polarisation data from Planck and WMAP respectively, the halo matter power spectrum extracted from SDSS-DR7, and the local Hubble expansion rate H{sub 0} released by the Carnegie Hubble Program based on a recalibration of the Hubble Space Telescope Key Project sample. Leaving out the local H{sub 0} measurement relaxes the limit somewhat to 0.86 eV, while Planck+WMAP alone constrain the axion mass to 1.01 eV, the first time an upper limit on m{sub a} has been obtained from CMB data alone. Our axion limit is therefore not very sensitive to the tension between the Planck-inferred H{sub 0} and the locally measured value. This is in contrast with the upper limit on the neutrino mass sum, which we find here to range from ? m{sub ?} < 0.27 eV at 95% C.L. combining all of the aforementioned observations, to 0.84 eV from CMB data alone.

  19. Cold versus hot fusion deuterium branching ratios

    SciTech Connect (OSTI)

    Fox, H.; Bass, R.

    1995-12-31

    A major source of misunderstanding of the nature of cold nuclear fusion has been the expectation that the deuterium branching ratios occurring within a palladium lattice would be consistent with the gas-plasma branching ratios. This misunderstanding has led to the concept of the dead graduate student, the 1989`s feverish but fruitless search for neutron emissions from cold fusion reactors, and the follow-on condemnation of the new science of cold fusion. The experimental facts are that in a properly loaded palladium lattice, the deuterium fusion produces neutrons at little above background, a greatly less-than-expected production of tritium (the tritium desert), and substantially more helium-4 than is observed in hot plasma physics. The experimental evidence is now compelling (800 reports of success from 30 countries) that cold nuclear fusion is a reality, that the branching ratios are unexpected, and that a new science is struggling to be recognized. Commercialization of some types of cold fusion devices has already begun.

  20. This sheet is posted on the web at http://www-sk.icrr.u-tokyo.ac.jp/~berns/SUPERK/RADON/radonhutcheck.pdf Super-Kamiokande Dome Radon-Free Air System Shift Checklist for the `RADON HUT'

    E-Print Network [OSTI]

    Berns, Hans-Gerd

    This sheet is posted on the web at http://www-sk.icrr.u-tokyo.ac.jp/~berns/SUPERK/RADON/radonhutcheck.pdf Super-Kamiokande Dome Radon-Free Air System Shift Checklist for the `RADON HUT' Rev.: J.Griskevich / H.S. home = 949-940-0015 The Radon Hut manual (latest version) is posted on the web at: https://www-sk.icrr.u-tokyo.ac.jp/~berns/SUPERK/RADON

  1. This sheet is posted on the web at http://wwwsk.icrr.utokyo.ac.jp/~berns/SUPERK/RADON/radonhutcheck.pdf SuperKamiokande Dome RadonFree Air System Shift Checklist for the `RADON HUT'

    E-Print Network [OSTI]

    Berns, Hans-Gerd

    This sheet is posted on the web at http://www­sk.icrr.u­tokyo.ac.jp/~berns/SUPERK/RADON/radonhutcheck.pdf Super­Kamiokande Dome Radon­Free Air System Shift Checklist for the `RADON HUT' Rev.: HGB, 20 Nov 2007@phys.washington.edu The Radon Hut manual (latest version) is posted on the web at: https://www­sk.icrr.u­tokyo.ac.jp/~berns/SUPERK/RADON

  2. Exploration model for possible geothermal reservoir, Coso Hot...

    Open Energy Info (EERE)

    reservoir exists at Coso Hot Springs KGRA, as proposed by Combs and Jarzabek (1977). Gravity data collected by the USGS (Isherwood and Plouff, 1978) was plotted and compared with...

  3. Hot Topics: Renewable Energy Open House | Photosynthetic Antenna...

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

    in one or more Hot Topics Workshops the opportunity to revisit the materials and curriculum covered in the workshops, as well as to explore new kits and activities at their own...

  4. Mandating Solar Hot Water by California Local Governments: Legal Issues

    E-Print Network [OSTI]

    Hoffman,, Peter C.

    1981-01-01

    specifically studied solar water heaters because of theirheaters. Other than this single reference to solar hot waterheater in the summer and preheater in the winter. The ratio of solar-exposed surface area to water

  5. BC TIPS - Hot-Humid Climate: New Orleans

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

    Hot-Humid Climate: New Orleans Building Technologies Program The U.S. Department of Energy's Builders Challenge recognizes quality homes that also save you money. U.S. homebuilders...

  6. Process characterization of a PMMA hot embossing system

    E-Print Network [OSTI]

    Luginbuhl, Katharine

    2014-01-01

    Microfluidics devices are important both for research use and medical application. To create these microfluidics devices, the hot embossing process is commonly used. In order to characterize this process to enable cycle ...

  7. DOE ZERH Webinar: Efficient Hot Water Distribution I -- What...

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

    challenges. Things like how do we design energy- efficient, high-performance hot water distribution systems. So that brings us to this webinar series where we are going to...

  8. Hot spot-derived shock initiation phenomena in heterogeneous...

    Office of Scientific and Technical Information (OSTI)

    one type of hot spot 'seed' on the initiation behaviors of explosive formulations. Gas gun-driven plate impact experiments are used to produce well-defined shock inputs into...

  9. & Vesicles |Hot Paper| Unilamellar Vesicles from Amphiphilic Graphene Quantum Dots

    E-Print Network [OSTI]

    Jelinek, Raz

    & Vesicles |Hot Paper| Unilamellar Vesicles from Amphiphilic Graphene Quantum Dots Sukhendu Nandi] Abstract: Graphene quantum dots (GQDs) have attracted considerable interest due to their unique Graphene quantum dots (GQDs) are carbon nanoparticles con- sisting of crystalline graphitic cores

  10. Hot climates, high sensitivity R. T. Pierrehumbert1

    E-Print Network [OSTI]

    Sciences, The University of Chicago, Chicago, IL 60637 Climate sensitivity is the Holy Grail of climate of this means that study of past hot climates is worthless in the Grail quest; it means only that the Parsifals

  11. A tropical grammar : an architectural grammar for hot humid climates

    E-Print Network [OSTI]

    Beamish, Anne, 1954-

    1993-01-01

    This thesis considers the viability of an architectural grammar based on traditional Caribbean architecture as an aid to designing climatically responsive architecture in hot humid climates. It argues that since traditional ...

  12. Energy flows in graphene: hot carrier dynamics and cooling

    E-Print Network [OSTI]

    Song, Justin C. W.

    Long lifetimes of hot carriers can lead to qualitatively new types of responses in materials. The magnitude and time scales for these responses reflect the mechanisms governing energy flows. We examine the microscopics of ...

  13. Geology and Geothermal Potential of the Roosevelt Hot Springs...

    Open Energy Info (EERE)

    Geology and Geothermal Potential of the Roosevelt Hot Springs Area, Beaver County, Utah Jump to: navigation, search OpenEI Reference LibraryAdd to library Thesis: Geology and...

  14. Direct Expansion Air Conditioning System Selection for Hot & Humid Climates†

    E-Print Network [OSTI]

    Browning, B. K.

    2002-01-01

    This paper discusses some of the difficulties of selecting direct expansion (DX) air conditioning systems to dehumidify conditioned spaces in hot & humid climates. It is a common opinion among designers that concerns of humidity control are best...

  15. Bench-Scale Development of a Hot Carbonate Absorption Process...

    Office of Scientific and Technical Information (OSTI)

    based on the Hot-CAP that is fully integrated with a sub-critical steam cycle, pulverized coal-fired power plant adopted in Case 10 of the DOENETL's Cost and Performance Baseline...

  16. Atmospheric Condensation Potential of Windows in Hot, Humid Climates†

    E-Print Network [OSTI]

    El Diasty, R.; Budaiwi, I.

    1992-01-01

    condensation rate has been obtained by utilizing a simplified transient uni-dimensional finite difference model. The results show that this model has enhanced the assessment of the potential for atmospheric condensation on windows in hot, humid climates...

  17. DOE ZERH Webinar: Efficient Hot Water Distribution II -- How...

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

    gives you more flexibility in the layout. Mostly, it's going to be very difficult to design houses so that you can deliver hot water within a half a gallon in the piping from the...

  18. Drilling Complete on Australian Hot Dry Rock Project

    Broader source: Energy.gov [DOE]

    The first commercial attempt to create a commercial geothermal power plant using hot dry rock technology reached a crucial milestone on January 22, when a production well successfully reached its target depth.

  19. Hot embossing as a method for rapid prototyping microfluidic devices

    E-Print Network [OSTI]

    Nguyen, Khanh H. (Khanh Huy)

    2013-01-01

    Hot embossing is a growing technology proven to be capable of reproducing micro-scale features on thermoplastics and can be an effective process for rapid prototyping microfluidic devices with high aspect ratio micro ...

  20. Why Is Nevada in Hot Water? Structural Controls and Tectonic...

    Open Energy Info (EERE)

    Why Is Nevada in Hot Water? Structural Controls and Tectonic Model of Geothermal Systems in the Northwestern Great Basin Jump to: navigation, search OpenEI Reference LibraryAdd to...

  1. Transition density and pressure in hot neutron stars†

    E-Print Network [OSTI]

    Xu, Jun; Chen, Lie-Wen; Ko, Che Ming; Li, Bao-An.

    2010-01-01

    Using the momentum-dependent effective interaction (MDI) for nucleons, we have studied the transition density and pressure at the boundary between the inner crust and the liquid core of hot neutron stars. We find that their values are larger...

  2. Microwave vs. Electric Kettle: Which Appliance Is in Hot Water...

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

    which should heat your water this winter. No matter whether your hot drink of choice is tea, coffee, or cocoa, one of these appliances is more efficient than the other. But which...

  3. HOt Water SavEr (HOWSE) Project. Final report

    SciTech Connect (OSTI)

    Olson, W.R.

    1981-12-31

    The dishwasher effluent is pumped into the flue of the exchange tank by the normal dishwasher pump (or auxiliary pump). The effluent is stored in this tank until next operation of the dishwasher. Thus, thermal equilibrium can be reached between the tank and the effluent, promoting high efficiency. The output from the exchange tank feeds the household normal hot water tank, reducing its requirement for fuel as the input water temperature is higher. Counterflow exchangers may be used for other hot water users where the flow and drain is continuous. In this case the discharged hot (or warm) water flows counter to the flow of cold water into the hot water heater. The two flows are closely coupled thermally but not in direct contract so they cannot mix. Counter flow exchangers and storage type exchangers may be used in the same installation.

  4. Tool for Generating Realistic Residential Hot Water Event Schedules: Preprint

    SciTech Connect (OSTI)

    Hendron, B.; Burch, J.; Barker, G.

    2010-08-01

    The installed energy savings for advanced residential hot water systems can depend greatly on detailed occupant use patterns. Quantifying these patterns is essential for analyzing measures such as tankless water heaters, solar hot water systems with demand-side heat exchangers, distribution system improvements, and recirculation loops. This paper describes the development of an advanced spreadsheet tool that can generate a series of year-long hot water event schedules consistent with realistic probability distributions of start time, duration and flow rate variability, clustering, fixture assignment, vacation periods, and seasonality. This paper also presents the application of the hot water event schedules in the context of an integral-collector-storage solar water heating system in a moderate climate.

  5. DOPPLER SIGNATURES OF THE ATMOSPHERIC CIRCULATION ON HOT JUPITERS

    E-Print Network [OSTI]

    Showman, Adam P.

    The meteorology of hot Jupiters has been characterized primarily with thermal measurements, but recent observations suggest the possibility of directly detecting the winds by observing the Doppler shift of spectral lines ...

  6. DOE Zero Energy Ready Home Efficient Hot Water Distribution II...

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

    with the Challenge Home program and here to set this up for you. Today's session on hot water distribution is one of a continuing series of tech training webinars to support our...

  7. DOE Zero Energy Ready Home Efficient Hot Water Distribution I...

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

    I -- What's At Stake Webinar (Text Version) DOE Zero Energy Ready Home Efficient Hot Water Distribution I -- What's At Stake Webinar (Text Version) Below is the text version of the...

  8. Chemical and Isotopic Composition of Casa Diablo Hot Spring:...

    Open Energy Info (EERE)

    Chemical and Isotopic Composition of Casa Diablo Hot Spring: Magmatic CO2 near Mammoth Lakes, CA Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference...

  9. Hot-dark matter, cold dark matter and accelerating universe

    E-Print Network [OSTI]

    Abbas Farmany; Amin Farmany; Mohammad Mahmoodi

    2006-07-07

    The Friedman equation is solved for a universe contains hotdark matter and cold dark matter. In this scenario, hot-dark matter drives an accelerating universe no cold dark matter.

  10. Red Galaxies from Hot Halos in Cosmological Hydro Simulations

    E-Print Network [OSTI]

    Gabor, Jared

    2012-01-01

    I highlight three results from cosmological hydrodynamic simulations that yield a realistic red sequence of galaxies: 1) Major galaxy mergers are not responsible for shutting off star-formation and forming the red sequence. Starvation in hot halos is. 2) Massive galaxies grow substantially (about a factor of 2 in mass) after being quenched, primarily via minor (1:5) mergers. 3) Hot halo quenching naturally explains why galaxies are red when they either (a) are massive or (b) live in dense environments.

  11. Hot compression process for making edge seals for fuel cells

    DOE Patents [OSTI]

    Dunyak, Thomas J. (Blacksburg, VA); Granata, Jr., Samuel J. (South Greensburg, PA)

    1994-01-01

    A hot compression process for forming integral edge seals in anode and cade assemblies wherein the assemblies are made to a nominal size larger than a finished size, beads of AFLAS are applied to a band adjacent the peripheral margins on both sides of the assemblies, the assemblies are placed in a hot press and compressed for about five minutes with a force sufficient to permeate the peripheral margins with the AFLAS, cooled and cut to finished size.

  12. ADVANCED HOT SECTION MATERIALS AND COATINGS TEST RIG

    SciTech Connect (OSTI)

    Scott Reome; Dan Davies

    2004-01-01

    The Hyperbaric Advanced Hot Section Materials & Coating Test Rig program initiated this quarter, provides design and implementation of a laboratory rig capable of simulating the hot gas path conditions of coal-gas fired industrial gas turbine engines. The principle activity during this first reporting period were preparing for and conducting a project kick-off meeting, working through plans for the project implementation, and beginning the conceptual design of the test section.

  13. Visualizing Cosmological Concepts Using the Analog of a Hot Liquid

    E-Print Network [OSTI]

    Yusofi, E

    2010-01-01

    We have used the expansion process of hot milk, which has similarities with the cosmic expansion, to facilitate easier and better visualization and teaching of cosmological concepts. Observations of the milk are used to illustrate phenomena related to the Planck era, the standard hot big bang model, cosmic inflation, problems with the formation of structure, and other subjects. This innovative and easily implemented demonstration can enhance the learning of cosmological concepts.

  14. Kelly Hot Spring Geothermal Project: Kelly Hot Spring Agricultural Center preliminary design. Final technical report

    SciTech Connect (OSTI)

    Longyear, A.B. (ed.)

    1980-08-01

    A Phase 1 Preliminary Design, Construction Planning and Economic Analysis has been conducted for the Kelly Hot Spring Agricultural Center in Modoc County, California. The core activity is a 1360 breeding sow, swine raising complex that utilizes direct heat energy from the Kelly Hot Spring geothermal resource. The swine is to be a totally confined operation for producing premium pork in controlled-environment facilities. The complex contains a feed mill, swine raising buildings and a complete waste management facility that produces methane gas to be delivered to a utility company for the production of electricity. The complex produces 6.7 million pounds of live pork (29,353 animals) shipped to slaughter per year; 105,000 cu. ft. of scrubbed methane per day; and fertilizer. Total effluent is less than 200 gpm of agricultural quality-water with full odor control. The methane production rate made possible with geothermal direct heat is equivalent to at least 400 kw continuous. Sale of the methane on a co-generation basis is being discussed with the utility company. The use of geothermal direct heat energy in the complex displaces nearly 350,000 gallons of fuel oil per year. Generation of the biogas displaces an additional 300,000 gallons of fuel oil per year.

  15. A Hardware-Driven Profiling Scheme for Identifying Program Hot Spots to Support Runtime Optimization

    E-Print Network [OSTI]

    Hwu, Wen-mei W.

    ;Motivation and Hot Spot Definition Program Behavior Observations Execution often occurs in distinct phases

  16. How Intangible is Japan's Traditional Dietary Culture?

    E-Print Network [OSTI]

    Rath, Eric C.

    2012-11-01

    - tion . But it also reflects the pressing need for the Japanese government to reaffirm the safety of Japanese food internationally while providing domes- tic support for food production after the March 2011 earthquake, tsunami, and nuclear disaster...

  17. Electricity-producing bacterial communities in microbial fuel cells

    E-Print Network [OSTI]

    by an equal number of protons moving between these electrodes so that electroneutrality is preserved (Box 1 including domes- tic (human), animal, food-processing and meat-packing wastewaters [10,12≠14]. With slight

  18. WAVE PROPAGATION in the HOT DUCT of VHTR

    SciTech Connect (OSTI)

    Richard Schultz; Jim C. P. Liou

    2013-07-01

    In VHTR, helium from the reactor vessel is conveyed to a power conversion unit through a hot duct. In a hypothesized Depressurized Conduction Cooldown event where a rupture of the hot duct occurs, pressure waves will be initiated and reverberate in the hot duct. A numerical model is developed to quantify the transients and the helium mass flux through the rupture for such events. The flow path of the helium forms a closed loop but only the hot duct is modeled in this study. The lower plum of the reactor vessel and the steam generator are treated as specified pressure and/or temperature boundary to the hot duct. The model is based on the conservation principles of mass, momentum and energy, and on the equations of state for helium. The numerical solution is based on the method of characteristics with specified time intervals with a predictor and corrector algorithm. The rupture sub-model gives reasonable results. Transients induced by ruptures with break area equaling 20%, 10%, and 5% of the duct cross-sectional area are described.

  19. A hot-spare injector for the APS linac.

    SciTech Connect (OSTI)

    Lewellen, J. W.

    1999-04-13

    Last year a second-generation SSRL-type thermionic cathode rf gun was installed in the Advanced Photon Source (APS) linac. This gun (referred to as ''gun2'') has been successfully commissioned and now serves as the main injector for the APS linac, essentially replacing the Koontz-type DC gun. To help ensure injector availability, particularly with the advent of top-up mode operation at the APS, a second thermionic-cathode rf gun will be installed in the APS linac to act as a hot-spare beam source. The hot-spare installation includes several unique design features, including a deep-orbit Panofsky-style alpha magnet. Details of the hot-spare beamline design and projected performance are presented, along with some plans for future performance upgrades.

  20. Pressurized water nuclear reactor system with hot leg vortex mitigator

    DOE Patents [OSTI]

    Lau, Louis K. S. (Monroeville, PA)

    1990-01-01

    A pressurized water nuclear reactor system includes a vortex mitigator in the form of a cylindrical conduit between the hot leg conduit and a first section of residual heat removal conduit, which conduit leads to a pump and a second section of residual heat removal conduit leading back to the reactor pressure vessel. The cylindrical conduit is of such a size that where the hot leg has an inner diameter D.sub.1, the first section has an inner diameter D.sub.2, and the cylindrical conduit or step nozzle has a length L and an inner diameter of D.sub.3 ; D.sub.3 /D.sub.1 is at least 0.55, D.sub.2 is at least 1.9, and L/D.sub.3 is at least 1.44, whereby cavitation of the pump by a vortex formed in the hot leg is prevented.

  1. Intensification of hot extremes in the United States

    SciTech Connect (OSTI)

    Diffenbaugh, Noah [Stanford University; Ashfaq, Moetasim [ORNL

    2010-01-01

    Governments are currently considering policies that will limit greenhouse gas concentrations, including negotiation of an international treaty to replace the expiring Kyoto Protocol. Existing mitigation targets have arisen primarily from political negotiations, and the ability of such policies to avoid dangerous impacts is still uncertain. Using a large suite of climate model experiments, we find that substantial intensification of hot extremes could occur within the next 3 decades, below the 2 C global warming target currently being considered by policy makers. We also find that the intensification of hot extremes is associated with a shift towards more anticyclonic atmospheric circulation during the warm season, along with warm-season drying over much of the U.S. The possibility that intensification of hot extremes could result from relatively small increases in greenhouse gas concentrations suggests that constraining global warming to 2 C may not be sufficient to avoid dangerous climate change.

  2. Modeling patterns of hot water use in households

    SciTech Connect (OSTI)

    Lutz, J.D.; Liu, Xiaomin; McMahon, J.E.

    1996-11-01

    This report presents a detailed model of hot water use patterns in individual household. The model improves upon an existing model by including the effects of four conditions that were previously unaccounted for: the absence of a clothes washer; the absence of a dishwasher; a household consisting of seniors only; and a household that does not pay for its own hot water use. Although these four conditions can significantly affect residential hot water use, and have been noted in other studies, this is the first time that they have been incorporated into a detailed model. This model allows detailed evaluation of the impact of potential efficiency standards for water heaters and other market transformation policies. 21 refs., 3 figs., 10 tabs.

  3. Modeling patterns of hot water use in households

    SciTech Connect (OSTI)

    Lutz, James D.; Liu, Xiaomin; McMahon, James E.; Dunham, Camilla; Shown, Leslie J.; McCure, Quandra T.

    1996-01-01

    This report presents a detailed model of hot water use patterns in individual households. The model improves upon an existing model by including the effects of four conditions that were previously unaccounted for: the absence of a clothes washer; the absence of a dishwasher; a household consisting of seniors only; and a household that does not pay for its own hot water use. Although these four conditions can significantly affect residential hot water use, and have been noted in other studies, this is the first time that they have been incorporated into a detailed model. This model allows detailed evaluation of the impact of potential efficiency standards for water heaters and other market transformation policies.

  4. Conserving Energy by Recovering Heat from Hot Waste Gases†

    E-Print Network [OSTI]

    Magnuson, E. E.

    1979-01-01

    ;::;,. """"= ;e - -e-- - ~ ------- ., ~ A~ PULL THRU - WITH SUPPLEMENTARY BURNER t t - ~"~ ~ - t77 7'0.. Fig. No. B ;i' ~ A+-, j + ~ ~s:- i.I A..-J PUSH THRU OR PULL THRU - W ITII SUPPI F'MF'NTARY ALJRNER years later a steel company discharging... BY RECOVERING HEAT FROM HOT WASTE GASES E. E. Magnuson Consultant and Training Director Eclipse Lookout Co. - Division of Eclipse, Inc. Chattanooga, Tennessee Intent of this paper is to show how recovery of heat in hot waste gases reduces nation...

  5. Hot Springs Ranch Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

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

  6. Hot Sulphur Springs Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

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

  7. HotRock GmbH | Open Energy Information

    Open Energy Info (EERE)

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

  8. Hot Spring On Umnak Island Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsource History View NewGuam: Energyarea,Magazine Jump to:II Wind FarmHorstHot PotPotHot

  9. Hot Springs Ranch Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsource History View NewGuam: Energyarea,Magazine Jump to:II Wind FarmHorstHotHot Springs

  10. Hot Topics Summer Workshops | Photosynthetic Antenna Research Center

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (JournalvivoHigh energyHighland ViewdefaultJulySeptemberMovingHotSummerHot

  11. Floating Loop System For Cooling Integrated Motors And Inverters Using Hot Liquid Refrigerant

    DOE Patents [OSTI]

    Hsu, John S [Oak Ridge, TN; Ayers, Curtis W [Kingston, TN; Coomer, Chester [Knoxville, TN; Marlino, Laura D [Oak Ridge, TN

    2006-02-07

    A floating loop vehicle component cooling and air-conditioning system having at least one compressor for compressing cool vapor refrigerant into hot vapor refrigerant; at least one condenser for condensing the hot vapor refrigerant into hot liquid refrigerant by exchanging heat with outdoor air; at least one floating loop component cooling device for evaporating the hot liquid refrigerant into hot vapor refrigerant; at least one expansion device for expanding the hot liquid refrigerant into cool liquid refrigerant; at least one air conditioning evaporator for evaporating the cool liquid refrigerant into cool vapor refrigerant by exchanging heat with indoor air; and piping for interconnecting components of the cooling and air conditioning system.

  12. Hot repair of ceramic burner on hot blast stoves at USS/Kobe`s {number_sign}3 blast furnace

    SciTech Connect (OSTI)

    Bernarding, T.F.; Chemorov, M.; Shimono, S.; Phillips, G.R.

    1997-12-31

    During the 1992 reline of the No. 3 blast furnace, three new stoves were constructed. The design of the stoves, equipped with internal ceramic burners, was for providing a hot blast temperature of 2,000 F at a wind rate of 140,000 SCFM. After 3 years the performance had deteriorated so the burners were cleaned. When a second cleaning did not improve the performance of No. 3 blast furnace, it was decided to repair the refractory while still hot. The paper describes the hot repair procedures, taking a stove off for repairs, maintenance heat up during repairs, two stove operation, stove commissioning, repair of a ceramic burner, and wet gas prevention.

  13. Environmental assessment for Kelley Hot Spring geothermal project: Kelley Hot Spring Agricultural Center

    SciTech Connect (OSTI)

    Neilson, J.A.

    1981-04-01

    The environmental impacts of an integrated swine production unit are analyzed together with necessary ancillary operations deriving its primary energy from a known geothermal reservoir in accordance with policies established by the National Energy Conservation Act. This environmental assessment covers 6 areas designated as potentially feasible project sites, using as the basic criteria for selection ground, surface and geothermal water supplies. The six areas, comprising +- 150 acres each, are within a 2 mile radius of Kelley Hot Springs, a known geothermal resource of many centuries standing, located 16 miles west of Alturas, the county seat of Modoc County, California. The project consists of the construction and operation of a 1360 sow confined pork production complex expandable to 5440 sows. The farrow to finish system for 1360 sows consists of 2 breeding barns, 2 gestation barns, 1 farrowing and 1 nursery barn, 3 growing and 3 finishing barns, a feed mill, a methane generator for waste disposal and water storage ponds. Supporting this are one geothermal well and 1 or 2 cold water wells, all occupying approximately 12 acres. Environmental reconnaissance involving geology, hydrology, soils, vegetation, fauna, air and water quality, socioeconomic, archaelogical and historical, and land use aspects were carefully carried out, impacts assessed and mitigations evaluated.

  14. Hot dry rock energy: Hot dry rock geothermal development program. Progress report. Fiscal year 1993

    SciTech Connect (OSTI)

    Salazar, J.; Brown, M. [eds.

    1995-03-01

    Extended flow testing at the Fenton Hill Hot Dry Rock (HDR) test facility concluded in Fiscal Year 1993 with the completion of Phase 2 of the long-term flow test (LTFT) program. As is reported in detail in this report, the second phase of the LTFT, although only 55 days in duration, confirmed in every way the encouraging test results of the 112-day Phase I LTFT carried out in Fiscal Year 1992. Interim flow testing was conducted early in FY 1993 during the period between the two LTFT segments. In addition, two brief tests involving operation of the reservoir on a cyclic schedule were run at the end of the Phase 2 LTFT. These interim and cyclic tests provided an opportunity to conduct evaluations and field demonstrations of several reservoir engineering concepts that can now be applied to significantly increase the productivity of HDR systems. The Fenton Hill HDR test facility was shut down and brought into standby status during the last part of FY 1993. Unfortunately, the world`s largest, deepest, and most productive HDR reservoir has gone essentially unused since that time.

  15. Purchasing Energy-Efficient Hot Food Holding Cabinets

    Broader source: Energy.gov [DOE]

    The Federal Energy Management Program (FEMP) provides acquisition guidance for hot food holding cabinets, a product category covered by ENERGY STAR efficiency requirements. Federal laws and requirements mandate that agencies purchase ENERGY STAR-qualified products or FEMP-designated products in all product categories covered by these programs and in any acquisition actions that are not specifically exempted by law.

  16. Catalytic Oxidation Hot Paper DOI: 10.1002/anie.201400134

    E-Print Network [OSTI]

    Zare, Richard N.

    Catalytic Oxidation Hot Paper DOI: 10.1002/anie.201400134 Trinuclear Pd3O2 Intermediate in Aerobic* Abstract: The activation of O2 is a key step in selective catalytic aerobic oxidation reactions mediated aerobic oxidation of alcohols. The formation and catalytic activity of the trinuclear Pd3O2 species

  17. Effects of the Hot Electron Interchange Instability on

    E-Print Network [OSTI]

    ? ∑ Engineering: ∑Superconducting magnet surrounded by fusion plasma? #12;EEO_ICC06_INVTLK 5 The Levitated DipoleEffects of the Hot Electron Interchange Instability on Plasma Confined in a Dipolar Magnetic Field Eugenio Ortiz For the Levitated Dipole Experiment Team Innovative Confinement Concepts 2006 Austin, Texas

  18. Intelligent Sensor Placement for Hot Server Detection in Data Centers

    E-Print Network [OSTI]

    Xing, Guoliang

    Intelligent Sensor Placement for Hot Server Detection in Data Centers Xiaodong Wang, Xiaorui Wang of many data centers is caused by the inefficient operation of their cooling systems. Without effective technology has recently been adopted for data-center thermal monitoring because of its nonintrusive nature

  19. Dual-Phase Hot-Press Forming Alloy

    E-Print Network [OSTI]

    Cambridge, University of

    Dual-Phase Hot-Press Forming Alloy Hongliang Yi and H. K. D. H. Bhadeshia 23 April, 2010 heat treatment: ferrite+pearlite ∑ After heat treatment: martensite ∑ Mechanical property: UTS ~1500 strength for anti-intrusion ∑ Shortages: low ductility for energy absorption ∑ Solution: keeping the high

  20. Page 1 of 2 Policy: Hot Works Policy

    E-Print Network [OSTI]

    Maxwell, Bruce D.

    Page 1 of 2 Policy: Hot Works Policy Responsible Party: Director, Safety and Risk Management value. The Safety and Risk Management Policy endorses programs, procedures and resources which assist in this promotion. This policy is an overarching document that outlines the policies set in place by Safety and Risk

  1. STATE OF CALIFORNIA SOLAR DOMESTIC HOT WATER SYSTEMS (SDHW)

    E-Print Network [OSTI]

    attached CEC F-Chart) # of Collectors in System Collector Size Solar Tank Volume (gallons) ß150(j)1B piping shall be insulated. ß150(j)4: Solar water-heating system and/or/collectors are certifiedSTATE OF CALIFORNIA SOLAR DOMESTIC HOT WATER SYSTEMS (SDHW) CEC- CF-6R-MECH-02 (Revised 08

  2. Modelling the dip coating process for hot metal castings

    E-Print Network [OSTI]

    McGuinness, Mark

    Modelling the dip coating process for hot metal castings Mark J. McGuinness #3; A.J. Roberts y #12; List of Figures 2 6 Modelling Coating Growth 17 6.1 Simple Conduction Model . . . . . . . . . . . . . . 23 6.3 Linear Temperature Model . . . . . . . . . . . . . . . . . . . 23 7 Estimates of Coating

  3. EA-1676: U.S. Geothermal's Neal Hot Springs Geothermal Facility...

    Office of Environmental Management (EM)

    76: U.S. Geothermal's Neal Hot Springs Geothermal Facility in Vale, OR EA-1676: U.S. Geothermal's Neal Hot Springs Geothermal Facility in Vale, OR December 1, 2009 EA-1676: Final...

  4. Selective Catalytic Oxidation (SCO) of NH3 to N2 for Hot Exhaust...

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

    Oxidation (SCO) of NH3 to N2 for Hot Exhaust Treatment Selective Catalytic Oxidation (SCO) of NH3 to N2 for Hot Exhaust Treatment Investigation of a series of transition metal...

  5. Development of a High Efficiency Hot Gas Turbo-expander and Low...

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

    a High Efficiency Hot Gas Turbo-expander and Low Cost Heat Exchangers for Optimized CSP Supercritical CO2 Operation Development of a High Efficiency Hot Gas Turbo-expander and...

  6. Hot Gas Filtration of Fine and Ultra fine Particles with Liquid...

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

    Hot Gas Filtration of Fine and Ultra fine Particles with Liquid Phase Sintered SiC Ceramic DPF Hot Gas Filtration of Fine and Ultra fine Particles with Liquid Phase Sintered SiC...

  7. Failure and Degradation Modes of PV Modules in a Hot Dry Climate...

    Office of Environmental Management (EM)

    Failure and Degradation Modes of PV Modules in a Hot Dry Climate: Results After 12 to 26 Years of Field Exposure Failure and Degradation Modes of PV Modules in a Hot Dry Climate:...

  8. Seismic Line Location Map Hot Pot Project, Humboldt County, Nevada 2010

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

    Lane, Michael

    2012-01-01

    Location of seismic lines carried out under DOE funded project Advanced Seismic Data Analysis Program (The Hot Pot Project).

  9. DOE Zero Energy Ready Home Efficient Hot Water Distribution I-- What's At Stake Webinar (Text Version)

    Broader source: Energy.gov [DOE]

    Below is the text version of the webinar, Efficient Hot Water Distribution I -- What's At Stake, presented in January 2014.

  10. Seismic Line Location Map Hot Pot Project, Humboldt County, Nevada 2010

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

    Lane, Michael

    Location of seismic lines carried out under DOE funded project Advanced Seismic Data Analysis Program (The Hot Pot Project).

  11. Direct Use for Building Heat and Hot Water Presentation Slides and Text Version

    Office of Energy Efficiency and Renewable Energy (EERE)

    Download presentation slides from the DOE Office of Indian Energy webinar on direct use for building heat and hot water.

  12. Development of a Hot Tear Indicator for Use in Casting Simulation C. Beckermann

    E-Print Network [OSTI]

    Beckermann, Christoph

    1 Development of a Hot Tear Indicator for Use in Casting Simulation C. Monroe C. Beckermann for initiation sites for hot tears in the casting, not a full tear prediction. By evaluating this quantity. Using a simulation study of hot tear castings developed in SFSA literature, conclusions are drawn about

  13. Simulation of Hot Tearing and Distortion during Casting of Steel: Comparison with Experiments

    E-Print Network [OSTI]

    Beckermann, Christoph

    Simulation of Hot Tearing and Distortion during Casting of Steel: Comparison with Experiments C City, IA 52242 Abstract Hot tears are defects that occur during solidification of a casting that is subjected to mechanical restraints. Several key factors are known to aggravate the hot tearing of cast steel

  14. A Test for Airborne Dispersal of Thermophilic Bacteria from Hot Springs

    E-Print Network [OSTI]

    Fouke, Bruce W.

    colonization Mammoth Hot Springs thermophile 2 GEOTHERMAL BIOLOGY AND GEOCHEMISTRY IN YELLOWSTONE NATIONAL PARK Hot Springs complex of Yellowstone National Park. The trapped steam was analyzed for the presence exist between hot springs in close proximity to each other, even springs within a particular geothermal

  15. Challenges of modeling depth-integrated marine primary productivity over multiple decades: A case study at BATS and HOT

    E-Print Network [OSTI]

    2010-01-01

    hot/hot_jgofs. html). For the BATS data, we used the meanare available in the HTML. doi:10.1029/ 2009GB003655. 4 of

  16. Applicability of Related Data, Algorithms, and Models to the Simulation of Ground-Coupled Residential Hot Water Piping in California

    E-Print Network [OSTI]

    Warner, J.L.

    2009-01-01

    of Alternative Residential Hot Water Distribution Systems. ĒUnsaturated Zone. Ē Advances in Water Resources 15: 153Ė166.to modeling of under-slab hot water distribution piping. x

  17. Water and Energy Wasted During Residential Shower Events: Findings from a Pilot Field Study of Hot Water Distribution Systems

    E-Print Network [OSTI]

    Lutz, Jim

    2012-01-01

    1985. Residential hot water energy analysis: Instruments andto determine waste of water and energy in residential hot-LBNL-5115E Water and Energy Wasted During Residential Shower

  18. Hot metal Si control at Kwangyang blast furnaces

    SciTech Connect (OSTI)

    Hur, N.S.; Cho, B.R.; Kim, G.Y.; Choi, J.S.; Kim, B.H. [POSCO, Cheollanamdo (Korea, Republic of). Kwangyang Works

    1995-12-01

    Studies of Si transfer in blast furnaces have shown that the Si level in pig iron is influenced more by the reaction of silicon oxide gas generation in the raceway than the chemical reaction between hot metal and slag at the drop zone. Specifications require a Si content of pig iron below 0.15% at the Kwangyang Works, but the use of soft coking coal in the blend for coke ovens, high pulverized coal injection rate into the blast furnace, and the application of lower grade iron ore has resulted in the need to develop methods to control Si in hot metal. In this paper, the results of in furnace Si control and the desiliconization skills at the casthouse floor are described.

  19. Method for hot pressing irregularly shaped refractory articles

    DOE Patents [OSTI]

    Steinkamp, William E. (Clinton, TN); Ballard, Ambrose H. (Knoxville, TN)

    1982-01-01

    The present invention is directed to a method for hot pressing irregularly haped refractory articles with these articles of varying thickness being provided with high uniform density and dimensional accuracy. Two partially pressed compacts of the refractory material are placed in a die cavity between displaceable die punches having compact-contacting surfaces of the desired article configuration. A floating, rotatable block is disposed between the compacts. The displacement of the die punches towards one another causes the block to rotate about an axis normal to the direction of movement of the die punches to uniformly distribute the pressure loading upon the compacts for maintaining substantially equal volume displacement of the powder material during the hot pressing operation.

  20. Overview of Idaho National Laboratory's Hot Fuels Examination Facility

    SciTech Connect (OSTI)

    Adam B. Robinson; R. Paul Lind; Daniel M. Wachs

    2007-09-01

    The Hot Fuels Examination Facility (HFEF) at the Materials and Fuels Complex (MFC) of the Idaho National Laboratory was constructed in the 1960ís and opened for operation in the 1975 in support of the liquid metal fast breeder reactor research. Specifically the facility was designed to handle spent fuel and irradiated experiments from the Experimental Breeder Reactor EBRII, the Fast Flux Test Facility (FFTF), and the Transient Reactor Test Facility (TREAT). HFEF is a large alpha-gamma facility designed to remotely characterize highly radioactive materials. In the late 1980ís the facility also began support of the US DOE waste characterization including characterizing contact-handled transuranic (CH-TRU) waste. A description of the hot cell as well as some of its primary capabilities are discussed herein.

  1. 3D Model of the Neal Hot Springs Geothermal Area

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

    Faulds, James E.

    The Neal Hot Springs geothermal system lies in a left-step in a north-striking, west-dipping normal fault system, consisting of the Neal Fault to the south and the Sugarloaf Butte Fault to the north (Edwards, 2013). The Neal Hot Springs 3D geologic model consists of 104 faults and 13 stratigraphic units. The stratigraphy is sub-horizontal to dipping <10 degrees and there is no predominant dip-direction. Geothermal production is exclusively from the Neal Fault south of, and within the step-over, while geothermal injection is into both the Neal Fault to the south of the step-over and faults within the step-over.

  2. A biophysical model of prokaryotic diversity in geothermal hot springs

    E-Print Network [OSTI]

    Klales, Anna; Nett, Elizabeth Janus; Kane, Suzanne Amador

    2008-01-01

    Recent field investigations of photosynthetic bacteria living in geothermal hot spring environments have revealed surprisingly complex ecosystems, with an unexpected level of genetic diversity. One case of particular interest involves the distribution along hot spring thermal gradients of genetically distinct bacterial strains that differ in their preferred temperatures for reproduction and photosynthesis. In such systems, a single variable, temperature, defines the relevant environmental variation. In spite of this, each region along the thermal gradient exhibits multiple strains of photosynthetic bacteria adapted to several distinct thermal optima, rather than the expected single thermal strain adapted to the local environmental temperature. Here we analyze microbiology data from several ecological studies to show that the thermal distribution field data exhibit several universal features independent of location and specific bacterial strain. These include the distribution of optimal temperatures of differe...

  3. Remote Sealing of Canisters for Hot Isostatic Pressing

    SciTech Connect (OSTI)

    Wahlquist, Dennis; Bateman, Ken; Malewitz, Tim

    2015-03-01

    Battelle Energy Alliance, LLC, has successfully tested a remote welding process to seal radioactive waste containers prior to hot isostatic pressing (HIP). Since the 1990s, a variety of radioactive and hazardous waste forms have been remotely treated using HIP during trials within Idaho National Laboratory (INL) hot cells. For HIP treatment at INL, waste was loaded into a stainless-steel or aluminum canister, which was evacuated, seal welded, and placed in a HIP furnace. HIP simultaneously heats and pressurizes the waste, reducing its volume and increasing its stability, thus lowering the cost and risk associated with disposal. Weld integrity must be ensured in order to prevent the spread of contamination during HIP. This paper presents a process for sealing HIP canisters remotely using modified, commercially available equipment. This process includes evacuation, heating, welding, and weld inspection. The process and equipment have proven to reliably seal canisters in continued HIP trials.

  4. Doppler Signatures of the Atmospheric Circulation on Hot Jupiters

    E-Print Network [OSTI]

    Showman, Adam P; Lewis, Nikole K; Shabram, Megan

    2013-01-01

    The meteorology of hot Jupiters has been characterized primarily with thermal measurements, but recent observations suggest the possibility of directly detecting the winds by observing the Doppler shift of spectral lines seen during transit. Motivated by these observations, we show how Doppler measurements can place powerful constraints on the meteorology. We show that the atmospheric circulation--and Doppler signature--of hot Jupiters splits into two regimes. Under weak stellar insolation, the day-night thermal forcing generates fast zonal jet streams from the interaction of atmospheric waves with the mean flow. In this regime, air along the terminator (as seen during transit) flows toward Earth in some regions and away from Earth in others, leading to a Doppler signature exhibiting superposed blue- and redshifted components. Under intense stellar insolation, however, the strong thermal forcing damps these planetary-scale waves, inhibiting their ability to generate jets. Strong frictional drag likewise damps...

  5. Overheating in Hot Water- and Steam-Heated Multifamily Buildings

    SciTech Connect (OSTI)

    Dentz, J.; Varshney, K.; Henderson, H.

    2013-10-01

    Apartment temperature data have been collected from the archives of companies that provide energy management systems (EMS) to multifamily buildings in the Northeast U.S. The data have been analyzed from more than 100 apartments in eighteen buildings where EMS systems were already installed to quantify the degree of overheating. This research attempts to answer the question, 'What is the magnitude of apartment overheating in multifamily buildings with central hot water or steam heat?' This report provides valuable information to researchers, utility program managers and building owners interested in controlling heating energy waste and improving resident comfort. Apartment temperature data were analyzed for deviation from a 70 degrees F desired setpoint and for variation by heating system type, apartment floor level and ambient conditions. The data shows that overheating is significant in these multifamily buildings with both hot water and steam heating systems.

  6. Advanced Hot Section Materials and Coatings Test Rig

    SciTech Connect (OSTI)

    Dan Davis

    2006-09-30

    Phase I of the Hyperbaric Advanced Hot Section Materials & Coating Test Rig Program has been successfully completed. Florida Turbine Technologies has designed and planned the implementation of a laboratory rig capable of simulating the hot gas path conditions of coal gas fired industrial gas turbine engines. Potential uses of this rig include investigations into environmental attack of turbine materials and coatings exposed to syngas, erosion, and thermal-mechanical fatigue. The principle activities during Phase 1 of this project included providing several conceptual designs for the test section, evaluating various syngas-fueled rig combustor concepts, comparing the various test section concepts and then selecting a configuration for detail design. Conceptual definition and requirements of auxiliary systems and facilities were also prepared. Implementation planning also progressed, with schedules prepared and future project milestones defined. The results of these tasks continue to show rig feasibility, both technically and economically.

  7. Waste heat from kitchen cuts hot water electricity 23%

    SciTech Connect (OSTI)

    Barber, J.

    1984-05-21

    Heat recovered from the Hamburger Hamlet's kitchen in Bethesada, Maryland and used to pre-heat the million gallons of hot water used annually reduced hot water costs 23% and paid off the investment in 1.5 years. Potomac Electric initiated the installation of an air-to-water heat pump in the restaurant kitchen above the dishwasher at a cost of about $5300, with the restaurant obliged to reimburse the utility if performance was satisfactory. Outside water recirculates through storage tanks and the ceiling heat pump until it reaches the required 140/sup 0/F. The amount of electricity needed to bring the preheated water to that temperature was $3770 lower after the installation. Cooled air exhausted from the heat pump circulates throughout the kitchen.

  8. 3D Model of the Neal Hot Springs Geothermal Area

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

    Faulds, James E.

    2013-12-31

    The Neal Hot Springs geothermal system lies in a left-step in a north-striking, west-dipping normal fault system, consisting of the Neal Fault to the south and the Sugarloaf Butte Fault to the north (Edwards, 2013). The Neal Hot Springs 3D geologic model consists of 104 faults and 13 stratigraphic units. The stratigraphy is sub-horizontal to dipping <10 degrees and there is no predominant dip-direction. Geothermal production is exclusively from the Neal Fault south of, and within the step-over, while geothermal injection is into both the Neal Fault to the south of the step-over and faults within the step-over.

  9. Low-loss binder for hot pressing boron nitride

    DOE Patents [OSTI]

    Maya, Leon (Oak Ridge, TN)

    1991-01-01

    Borazine derivatives used as low-loss binders and precursors for making ceramic boron nitride structures. The derivative forms the same composition as the boron nitride starting material, thereby filling the voids with the same boron nitride material upon forming and hot pressing. The derivatives have a further advantage of being low in carbon thus resulting in less volatile byproduct that can result in bubble formation during pressing.

  10. Friction and wear in hot forging of steels

    SciTech Connect (OSTI)

    Daouben, E.; Dubar, L.; Dubar, M.; Deltombe, R.; Dubois, A.; Truong-Dinh, N.; Lazzarotto, L.

    2007-04-07

    In the field of hot forging of steels, the mastering of wear phenomena enables to save cost production, especially concerning tools. Surfaces of tools are protected thanks to graphite. The existing lubrication processes are not very well known: amount and quality of lubricant, lubrication techniques have to be strongly optimized to delay wear phenomena occurrence. This optimization is linked with hot forging processes, the lubricant layers must be tested according to representative friction conditions. This paper presents the first part of a global study focused on wear phenomena encountered in hot forging of steels. The goal is the identification of reliable parameters, in order to bring knowledge and models of wear. A prototype testing stand developed in the authors' laboratory is involved in this experimental analysis. This test is called Warm and Hot Upsetting Sliding Test (WHUST). The stand is composed of a heating induction system and a servo-hydraulic system. Workpieces taken from production can be heated until 1200 deg. C. A nitrided contactor representing the tool is heated at 200 deg. C. The contactor is then coated with graphite and rubs against the workpiece, leaving a residual track on it. Friction coefficient and surface parameters on the contactor and the workpiece are the most representative test results. The surface parameters are mainly the sliding length before defects occurrence, and the amplitude of surface profile of the contactor. The developed methodology will be first presented followed by the different parts of the experimental prototype. The results of experiment show clearly different levels of performance according to different lubricants.

  11. Durable zinc ferrite sorbent pellets for hot coal gas desulfurization

    DOE Patents [OSTI]

    Jha, Mahesh C. (Arvada, CO); Blandon, Antonio E. (Thornton, CO); Hepworth, Malcolm T. (Edina, MN)

    1988-01-01

    Durable, porous sulfur sorbents useful in removing hydrogen sulfide from hot coal gas are prepared by water pelletizing a mixture of fine zinc oxide and fine iron oxide with inorganic and organic binders and small amounts of activators such as sodium carbonate and molybdenite; the pellets are dried and then indurated at a high temperature, e.g., 1800.degree. C., for a time sufficient to produce crush-resistant pellets.

  12. Mechanical and thermophysical properties of hot-pressed SYNROC B

    SciTech Connect (OSTI)

    Hoenig, C.L.; Newkirk, H.W.; Otto, R.A.; Brady, R.L.; Brown, A.E.; Ulrich, A.R.; Lum, R.C.

    1981-05-06

    The optimal SYNROC compositons for use with commercial waste are reviewed. Large amounts of powder (about 2.5 kg) were prepared by convention al ceramic operations to test the SYNROC concept on a processing scale. Samples, 15.2 cm in diameter, were hot pressed in graphite, and representative samples were cut for microstructural evaluations. Measured mechanical and thermophysical properties did not vary significantly as a function of sample location and were typical of titanate ceramic materials.

  13. Enhancing Performance Contracts: Integrating IAQ Solutions in Hot & Humid Climates†

    E-Print Network [OSTI]

    Turner, S. C.

    1998-01-01

    in hot and humid climates, and have limited applicability along the Gulf Coast. Humidity control problems are abundant, since cool air at dawn or dusk may be near saturated, and sensible loads may be so low that system sensible heat ratio.... Recovery and outdoor air intake ducts must be close enough to make installation practical. Large air flows require large wheels, and wheel geometry dictates limited equipment configurations. Aggressive maintenance is required to sustain performance...

  14. The "Hot" Science of RHIC Status and Future

    E-Print Network [OSTI]

    The "Hot" Science of RHIC Status and Future Berndt Mueller Brookhaven National Laboratory Associate #12;RHIC NSRL LINAC Booster AGS Tandems STAR 6:00 o'clock PHENIX 8:00 o'clock (PHOBOS) 10:00 o Friday, April 5, 13 #12;RHIC NSRL LINAC Booster AGS Tandems STAR 6:00 o'clock PHENIX 8:00 o'clock (PHOBOS

  15. Goddard Hot Springs Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

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

  16. Rowland Hot Springs Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onRAPID/Geothermal/Exploration/ColoradoRemsenburg-Speonk, NewMichigan: EnergyRocklinRohmRoshniRotokawaRovesRowland Hot

  17. Pilgrim Hot Springs Geothermal 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 on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPIProtectio1975) | Open EnergyPhoenicia,Creek,Pilgrim Hot Springs Geothermal

  18. Pilgrim Hot Springs, Alaska Geothermal 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 on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPIProtectio1975) | Open EnergyPhoenicia,Creek,Pilgrim Hot Springs

  19. Petrography Analysis At Roosevelt Hot Springs Geothermal Area (Petersen,

    Open Energy Info (EERE)

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

  20. Covered Product Category: Hot Food Holding Cabinets | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum Based Fuels|ProgramsLakeDepartmentEnergyEnterprise ServersHot Food Holding

  1. Simulated Photoevaporative Mass Loss from Hot Jupiters in 3D

    E-Print Network [OSTI]

    Tripathi, Anjali; Murray-Clay, Ruth A; Krumholz, Mark R

    2015-01-01

    Ionizing stellar photons heat the upper regions of planetary atmospheres, driving atmospheric mass loss. Gas escaping from several hot, hydrogen-rich planets has been detected using UV and X-ray transmission spectroscopy. Because these planets are tidally locked, and thus asymmetrically irradiated, escaping gas is unlikely to be spherically symmetric. In this paper, we focus on the effects of asymmetric heating on local outflow structure. We use the Athena code for hydrodynamics to produce 3D simulations of hot Jupiter mass loss that jointly model wind launching and stellar heating via photoionization. Our fiducial planet is an inflated, hot Jupiter with radius $R_p=2.14 R_{\\rm Jup}$ and mass $M_p = 0.53 M_{\\rm Jup}$. We irradiate the initially neutral, atomic hydrogen atmosphere with 13.6 eV photons and compute the outflow's ionization structure. There are clear asymmetries in the atmospheric outflow, including a neutral shadow on the planet's nightside. Given an incident ionizing UV flux comparable to that ...

  2. Evaluation of Residential Hot Water Distribution Ssytems by Numeric Simulation

    SciTech Connect (OSTI)

    Wendt, ROBERT

    2005-08-17

    The objective of this project was to evaluate the performance and economics of various domestic hot water distribution systems in representative California residences. While the greatest opportunities for improved efficiency occur in new construction, significant improvements can also be made in some existing distribution systems. Specific objectives of the project tasks were: (1) Simulate potential energy savings of, perform cost-benefit analyses of, and identify market barriers to alternative new systems. (2) Simulate potential energy savings of, perform cost-benefit analyses of, and identify market barriers to maintenance, repair, and retrofit modifications of existing systems. (3) Evaluate potential impact of adopting alternative hot water distribution systems and report project findings. The outcome of this project is to provide homeowners, homebuilders, systems suppliers, municipal code officials and utility providers (both electric and water/sewer) with a neutral, independent, third party, cost-benefit analysis of alternative hot water distribution systems for use in California. The results will enable these stakeholders to make informed decisions regarding which system is most appropriate for use.

  3. Waunita Hot Springs Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

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

  4. Waunita Hot Springs Ranch Space Heating Low Temperature Geothermal Facility

    Open Energy Info (EERE)

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

  5. Wayland Hot Springs Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

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

  6. Zim's Hot Springs Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEtGeorgia:Illinois:WizardYates County,Zena, NewZhulu HuadaZim's Hot Springs

  7. Vale Hot Springs Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEt Al.,Turin, New York:PowerNewPumatyUvalde County,Vade SolarVale Hot Springs

  8. The density profiles of hot galactic halo gas

    E-Print Network [OSTI]

    Steen H. Hansen; Jesper Sommer-Larsen

    2006-06-13

    Extended gas haloes around galaxies are a ubiquitous prediction of galaxy formation scenarios. However, the density profiles of this hot halo gas is virtually unknown, although various profiles have been suggested on theoretical grounds. In order to quantitatively address the gas profile, we compare galaxies from direct cosmological simulations with analytical solutions of the underlying gas equations. We find remarkable agreement between simulations and theoretical predictions. We present an expression for this gas profile with a non-trivial dependence on the total mass profile. This expression is useful when setting up equilibrium galaxy models for numerical experiments.

  9. Suppression of Dilepton Production in Hot Hadronic Matter†

    E-Print Network [OSTI]

    Song, C.; Lee, S. H.; Ko, Che Ming.

    1995-01-01

    VOLUME 52, NUMBER 2 Suppression of dilepton production in hot hadronic matter AUGUST 1995 )jc Chungsik Song, ' Su Houng Lee, ~ and Che Ming Ko ~ Cyclotron Institute and Physics Department, Texas A&M University, College Station, Texas 77843...) and g~(x), which trans- form as $t g(x)+g R(x) =h(x)(t tt gL tt under h(x) E [SU(2)v]??t and gz z e [SU(2)L z] zt,?t. Introducing the vector meson V?as the gauge field of the local symmetry and the photon M as an external gauge field of the global...

  10. Spherical Accretion onto Neutron Stars Revisited: Are Hot Solutions Possible ?

    E-Print Network [OSTI]

    Roberto Turolla; Luca Zampieri; Monica Colpi; Aldo Treves

    1994-02-21

    Stationary, spherical accretion onto an unmagnetized neutron star is here reconsidered on the wake of the seminal paper by Zel'dovich \\& Shakura (1969). It is found that new ``hot'' solutions may exist for a wide range of luminosities. These solutions are characterized by a high temperature, $10^{9}\\div 10^{11}$ K, and arise from a stationary equilibrium model where the dominant radiative mechanisms are multiple Compton scattering and bremsstrahlung emission. For low luminosities, $\\mincir 10^{-2} \\ L_{E}$, only the ``cold'' (\\`a la Zel'dovich and Shakura) solution is present.

  11. Overheating in Hot Water- and Steam-Heated Multifamily Buildings

    SciTech Connect (OSTI)

    Dentz, J.; Varshney, K.; Henderson, H.

    2013-10-01

    In this project, the ARIES Building America team collected apartment temperature data from the archives of companies that provide energy management systems (EMS) to multifamily buildings in the Northeast U.S. Data was analyzed from more than 100 apartments in eighteen buildings where EMS systems were already installed to quantify the degree of overheating in an effort to answer the question, "What is the magnitude of apartment overheating in multifamily buildings with central hot water or steam heat?" This report provides valuable information to researchers, utility program managers and building owners interested in controlling heating energy waste and improving resident comfort.

  12. Cooling of hot gases by use of a spray tower†

    E-Print Network [OSTI]

    Pendleton, Elmer Lee

    1958-01-01

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

  13. Nuclear reactions in hot stellar matter and nuclear surface deformation

    E-Print Network [OSTI]

    V. Yu. Denisov

    2006-11-13

    Cross-sections for capture reactions of charged particles in hot stellar matter turn out be increased by the quadrupole surface oscillations, if the corresponding phonon energies are of the order of the star temperature. The increase is studied in a model that combines barrier distribution induced by surface oscillations and tunneling. The capture of charged particles by nuclei with well-deformed ground-state is enhanced in stellar matter. It is found that the influence of quadrupole surface deformation on the nuclear reactions in stars grows, when mass and proton numbers in colliding nuclei increase.

  14. Hot Pot, Nevada: Energy Resources | Open Energy Information

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  15. Hot Spring County, Arkansas: Energy Resources | Open Energy Information

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  16. Hot Springs County, Wyoming: Energy Resources | Open Energy Information

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  17. Hot Springs Cove Geothermal Area | Open Energy Information

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  18. Hot Springs National Park Space Heating Low Temperature Geothermal Facility

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  19. Hot Sulphur Springs Space Heating Low Temperature Geothermal Facility |

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  20. Fisher Hot Spring Geothermal Area | Open Energy Information

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  1. Double Hot Springs Geothermal Area | Open Energy Information

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  2. Spencer Hot Springs Geothermal Area | Open Energy Information

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  3. Mickey Hot Springs Geothermal Area | Open Energy Information

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  4. Latty Hot Springs Geothermal Area | Open Energy Information

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  5. Kahneetah Hot Springs Geothermal Area | Open Energy Information

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  6. Pinto Hot Springs Geothermal Area | Open Energy Information

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  7. NREL: State and Local Governments - Solar Hot Topics STAT Webinars

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

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  8. Abraham Hot Springs Geothermal Area | Open Energy Information

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  9. Mt Princeton Hot Springs Geothermal Area | Open Energy Information

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  10. Poncha Hot Springs Geothermal Area | Open Energy Information

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  11. Radium Hot Springs Geothermal Area | Open Energy Information

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  12. Reed River Hot Spring Geothermal Area | Open Energy Information

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  13. Riggins Hot Springs Geothermal Area | Open Energy Information

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  14. Travertine Hot Springs Geothermal Area | Open Energy Information

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  15. Baker Hot Spring Geothermal Area | Open Energy Information

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  16. Alvord Hot Springs Geothermal Area | Open Energy Information

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  17. Calistoga Hot Springs Geothermal Area | Open Energy Information

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  18. Big Windy Hot Springs Geothermal Area | Open Energy Information

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  19. Crane Hot Springs Geothermal Area | Open Energy Information

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  20. Crane Hot Springs Geothermal Area | Open Energy Information

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  1. Ennis Hot Springs Geothermal Area | Open Energy Information

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  2. Fales Hot Springs Geothermal Area | Open Energy Information

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  3. Gregson Hot Springs Geothermal Area | Open Energy Information

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  4. Hot Springs Bay Geothermal Area | Open Energy Information

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  5. Indian Valley Hot Springs Geothermal Area | Open Energy Information

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  6. Lee Hot Springs Geothermal Area | Open Energy Information

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  7. Macfarlane's Hot Spring Geothermal Area | Open Energy Information

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  8. Marble Hot Well Geothermal Area | Open Energy Information

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  9. Medical Hot Springs Geothermal Area | Open Energy Information

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  10. Mickey Hot Springs Geothermal Area | Open Energy Information

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  11. Molly's Hot Springs Geothermal Area | Open Energy Information

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  12. Montezuma Hot Spring Geothermal Area | Open Energy Information

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  13. Alvord Hot Springs Geothermal Area | Open Energy Information

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  14. Bell Island Hot Springs Geothermal Area | Open Energy Information

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  15. Bradfield Canal Hot Spring Geothermal Area | Open Energy Information

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  16. Brady Hot Springs I Geothermal Facility | Open Energy Information

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  17. Dyke Hot Springs Geothermal Area | Open Energy Information

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  18. Carey Hot Springs Geothermal Area | Open Energy Information

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  19. Hot spot-derived shock initiation phenomena in heterogeneous nitromethane

    Office of Scientific and Technical Information (OSTI)

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  20. Hot spot-derived shock initiation phenomena in heterogeneous nitromethane

    Office of Scientific and Technical Information (OSTI)

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  1. Pilger Estates Hot Springs Geothermal Area | Open Energy Information

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  2. Pilgrim Hot Springs Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsourceII JumpQuarterly SmartDB-2, Blue Mountain GeothermalPilger Estates Hot

  3. Hot Town, Summer in the City | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum12,ExecutiveFinancingR Walls - Buildingof EnergyTown, Summer in the City Hot

  4. Hot Topics Fall Workshop | Photosynthetic Antenna Research Center

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (JournalvivoHigh energyHighland ViewdefaultJulySeptemberMovingHot

  5. Hot Topics Summer Workshops | Photosynthetic Antenna Research Center

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (JournalvivoHigh energyHighland ViewdefaultJulySeptemberMovingHotSummer

  6. Hot Topics Workshop-Summer 2014 | Photosynthetic Antenna Research Center

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (JournalvivoHigh energyHighlandWorkshop-Summer 2014 Hot Topics

  7. Hot-Wire Chemical Vapor Deposition (HWCVD) technologies - Energy Innovation

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (JournalvivoHigh energyHighlandWorkshop-Summer 2014 HotPortal

  8. Hot-pressed ceramic Cr2+ :ZnSe gain-switched

    E-Print Network [OSTI]

    Mirov, Sergey B.

    Hot-pressed ceramic Cr2+ :ZnSe gain-switched laser A. Gallian, V. V. Fedorov, and S. B. Mirov: The technology of hot-pressed Cr2+ :ZnSe ceramic preparation is reported. Comparative gain-switched lasing of hot­pressed ceramic and CVD grown Cr2+ :ZnSe samples with slope efficiencies up to 10 % and output energies up to 2 m

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

    Open Energy Info (EERE)

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

  10. Indoor air movement acceptability and thermal comfort in hot-humid climates

    E-Print Network [OSTI]

    Candido, Christhina Maria

    2010-01-01

    Bittencourt, L. S. (2010) Air movement acceptability limitsthermal acceptability and air movement assessments in a hot-e ķmidos. (Applicability of air velocity limits for thermal

  11. The Impact of Ceramic Shell Strength on Hot Tearing during Investment Casting

    SciTech Connect (OSTI)

    Norouzi, Saeid [MAPNA GROUP Co (Iran, Islamic Republic of); Farhangi, Hassan [School of Metallurgy and Materials Engineering, University of Tehran (Iran, Islamic Republic of)

    2011-01-17

    The effect of ceramic shell strength on hot tearing susceptibility during solidification was inspected practicing investment casting of the cobalt-base superalloy samples with the same casting conditions, but different ceramic shell systems. Results showed that the lower the ceramic shell strength upon using polymer additives, the lower the hindered contraction rate, and the lower the hindered contraction rate, the smaller the hot tearing tendency. Optical microscopy and electron microscopy scanning revealed that the hot tear propagated along the last solidified interdendritic phase, and that the hot tear surface had two major modes: (1) the ductile region in the outer layer; and (2) the inner region of liquid embrittlement.

  12. Idaho Crews Overcome Challenges to Safely Dispose 1-Million-Pound Hot Cell

    Office of Energy Efficiency and Renewable Energy (EERE)

    American Recovery and Reinvestment Act cleanup crews at the Idaho site recently disposed of a hot cell as heavy as nine fully loaded Boeing 737s.

  13. DOE Zero Energy Ready Home Solar Hot Water-Ready Checklist

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

    Zero Energy Ready Home Solar Hot Water-Ready Checklist (Encouraged) DOE Zero Energy Ready Home National Program encourages, but does not require, consideration of this checklist....

  14. High-Performance Ducts in Hot-Dry Climates Hoeschele, Marc [National

    Office of Scientific and Technical Information (OSTI)

    Performance Ducts in Hot-Dry Climates Hoeschele, Marc National Renewable Energy Laboratory (NREL), Golden, CO (United States); Chitwood, Rick National Renewable Energy...

  15. Regenerable sorbent and method for removing hydrogen sulfide from hot gaseous mixtures

    DOE Patents [OSTI]

    Farrior, Jr., William L. (Morgantown, WV)

    1978-01-01

    Hydrogen sulfide is effectively removed from hot gaseous mixtures useful for industrial purposes by employing a solid absorbent consisting of silica-supported iron oxide in pellet form.

  16. EA-1002: Bonneville Power Administration's Hot Springs- Garrison Fiber Optic Project, Montana

    Office of Energy Efficiency and Renewable Energy (EERE)

    This EA evaluates the environmental impacts of the U.S. Department of Energy's Bonneville Power Administration's proposal to upgrade its operational telecommunications system between the Hot...

  17. Performance Evaluation for Modular, Scalable Cooling Systems with Hot Aisle Containment in Data Centers

    E-Print Network [OSTI]

    Adams, Barbara J

    2009-01-01

    3. Modius OpenData ģ Data Center infrastructure Manager,Hot Aisle Containment in Data Centers Final Report To TheDATA CENTERS.

  18. Using Solar Hot Water to Address Piping Heat Losses in Multifamily...

    Office of Scientific and Technical Information (OSTI)

    Residential Buildings; ARBI; Building America; TRNSYS; multifamily; domestic hot water; solar water heater; recirculation Word Cloud More Like This Full Text preview image File...

  19. Building America Case Study: High Performance Ducts in Hot-Dry...

    Office of Scientific and Technical Information (OSTI)

    Ducts in Hot-Dry Climates; Technology Solutions for New and Existing Homes, Energy Efficiency & Renewable Energy (EERE) Citation Details In-Document Search Title: Building...

  20. DC Resistivity Survey (Dipole-Dipole Array) At Mt Princeton Hot...

    Open Energy Info (EERE)

    1971) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: DC Resistivity Survey (Dipole-Dipole Array) At Mt Princeton Hot Springs Geothermal Area...