National Library of Energy BETA

Sample records for hole oceanographic institution

  1. Microsoft Word - DOE-ID-13-053 Woods Hole EC B3-16.doc

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

    3 SECTION A. Project Title: Advances in the Recovery of Uranium from Seawater: Studies under Real Ocean Conditions - Woods Hole Oceanographic Institution SECTION B. Project Description Woods Hole Oceanographic Institution proposes to study the effectiveness of uranium adsorbents using different field testing designs. Objectives include: 1) To test the extraction efficiency of the uranium adsorbents under changing environmental conditions in a controlled laboratory setting and then in the field.

  2. Expendable oceanographic sensor apparatus

    DOE Patents [OSTI]

    McCoy, Kim O.; Downing, Jr., John P.; DeRoos, Bradley G.; Riches, Michael R.

    1993-01-01

    An expendable oceanographic sensor apparatus is deployed from an airplane or a ship to make oceanographic observations in a profile of the surface-to-ocean floor, while deployed on the floor, and then a second profile when returning to the ocean surface. The device then records surface conditions until on-board batteries fail. All data collected is stored and then transmitted from the surface to either a satellite or other receiving station. The apparatus is provided with an anchor that causes descent to the ocean floor and then permits ascent when the anchor is released. Anchor release is predetermined by the occurrence of a pre-programmed event.

  3. Salinity driven oceanographic upwelling

    DOE Patents [OSTI]

    Johnson, D.H.

    1984-08-30

    The salinity driven oceanographic upwelling is maintained in a mariculture device that includes a long main duct in the general shape of a cylinder having perforated cover plates at each end. The mariculture device is suspended vertically in the ocean such that one end of the main duct is in surface water and the other end in relatively deep water that is cold, nutrient rich and relatively fresh in comparison to the surface water which is relatively warm, relatively nutrient deficient and relatively saline. A plurality of elongated flow segregating tubes are disposed in the main duct and extend from the upper cover plate beyond the lower cover plate into a lower manifold plate. The lower manifold plate is spaced from the lower cover plate to define a deep water fluid flow path to the interior space of the main duct. Spacer tubes extend from the upper cover plate and communicate with the interior space of the main duct. The spacer tubes are received in an upper manifold plate spaced from the upper cover plate to define a surface water fluid flow path into the flow segregating tubes. A surface water-deep water counterflow is thus established with deep water flowing upwardly through the main duct interior for discharge beyond the upper manifold plate while surface water flows downwardly through the flow segregating tubes for discharge below the lower manifold plate. During such counterflow heat is transferred from the downflowing warm water to the upflowing cold water. The flow is maintained by the difference in density between the deep water and the surface water due to their differences in salinity. The upwelling of nutrient rich deep water is used for marifarming by fertilizing the nutrient deficient surface water. 1 fig.

  4. Salinity driven oceanographic upwelling

    DOE Patents [OSTI]

    Johnson, David H.

    1986-01-01

    The salinity driven oceanographic upwelling is maintained in a mariculture device that includes a long main duct in the general shape of a cylinder having perforated cover plates at each end. The mariculture device is suspended vertically in the ocean such that one end of the main duct is in surface water and the other end in relatively deep water that is cold, nutrient rich and relatively fresh in comparison to the surface water which is relatively warm, relatively nutrient deficient and relatively saline. A plurality of elongated flow segregating tubes are disposed in the main duct and extend from the upper cover plate beyond the lower cover plate into a lower manifold plate. The lower manifold plate is spaced from the lower cover plate to define a deep water fluid flow path to the interior space of the main duct. Spacer tubes extend from the upper cover plate and communicate with the interior space of the main duct. The spacer tubes are received in an upper manifold plate spaced from the upper cover plate to define a surface water fluid flow path into the flow segregating tubes. A surface water-deep water counterflow is thus established with deep water flowing upwardly through the main duct interior for discharge beyond the upper manifold plate while surface water flows downwardly through the flow segregating tubes for discharge below the lower manifold plate. During such counterflow heat is transferred from the downflowing warm water to the upflowing cold water. The flow is maintained by the difference in density between the deep water and the surface water due to their differences in salinity. The upwelling of nutrient rich deep water is used for marifarming by fertilizing the nutrient deficient surface water.

  5. Evaluation, comparison and calibration of oceanographic instruments

    SciTech Connect (OSTI)

    Not Available

    1985-01-01

    This book reviews oceanographic instrumentation. The parameters for which instrumentation is reviewed are limited to those where continuous monitoring is possible. The discussion is also limited to parameters of interest to physical oceanography and ocean engineering. Specific instruments reviewed include: meterological sensors and instruments; wave sensors; ocean current sensors; pressure sensors; and CTD sensors. Various types of oceanographic measurements are also evaluated.

  6. Overview of physical oceanographic measurements taken during the Mt. Mitchell Cruise to the ROPME Sea Area

    SciTech Connect (OSTI)

    Reynolds, R.M.

    1993-03-31

    The ROPME Sea Area (RSA) is one of the most important commercial waterways in the world. However, the number of direct oceanographic observations is small. An international program to study the effect of the Iraqi oil spill on the environment was sponsored by the ROPME, the Intergovernmental Oceanographic Commission, and the National Oceanic and Atmospheric Administration (NOAA).

  7. Financial Institutions

    Broader source: Energy.gov [DOE]

    A lending program begins with a financial institution that procures the funds they lend from a number of other sources.

  8. Engineering Institute

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

    Institute Engineering Institute Multidisciplinary engineering research that integrates advanced modeling and simulations, novel sensing systems and new developments in information technology. May 14, 2013 Los Alamos Research Park Los Alamos Research Park, the home of Engineering Institute Contact Institute Director Charles Farrar (505) 665-0860 Email UCSD EI Director Michael Todd (858) 534-5951 Executive Administrator Ellie Vigil (505) 667-2818 Email Administrative Assistant Rebecca Duran (505)

  9. Seaborg Institute

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

    Institute Seaborg Institute The institute provides a primary mechanism for fostering cooperation and collaboration in actinide science among the national laboratories, university campuses, and the national and international actinide science community. Contact Director Albert Migliori (505) 663-5627 Email Deputy Director Franz Freibert (505) 667-6879 Email Professional Staff Assistant Susan Ramsay (505) 665-0858 Email actinide The Seaborg Institute at Los Alamos integrates research programs,

  10. ULTRAMASSIVE BLACK HOLE COALESCENCE

    SciTech Connect (OSTI)

    Khan, Fazeel Mahmood; Holley-Bockelmann, Kelly; Berczik, Peter E-mail: k.holley@vanderbilt.edu

    2015-01-10

    Although supermassive black holes (SMBHs) correlate well with their host galaxies, there is an emerging view that outliers exist. Henize 2-10, NGC4889, and NGC1277 are examples of SMBHs at least an order of magnitude more massive than their host galaxy suggests. The dynamical effects of such ultramassive central black holes is unclear. Here, we perform direct N-body simulations of mergers of galactic nuclei where one black hole is ultramassive to study the evolution of the remnant and the black hole dynamics in this extreme regime. We find that the merger remnant is axisymmetric near the center, while near the large SMBH influence radius, the galaxy is triaxial. The SMBH separation shrinks rapidly due to dynamical friction, and quickly forms a binary black hole; if we scale our model to the most massive estimate for the NGC1277 black hole, for example, the timescale for the SMBH separation to shrink from nearly a kiloparsec to less than a parsec is roughly 10Myr. By the time the SMBHs form a hard binary, gravitational wave emission dominates, and the black holes coalesce in a mere few Myr. Curiously, these extremely massive binaries appear to nearly bypass the three-body scattering evolutionary phase. Our study suggests that in this extreme case, SMBH coalescence is governed by dynamical friction followed nearly directly by gravitational wave emission, resulting in a rapid and efficient SMBH coalescence timescale. We discuss the implications for gravitational wave event rates and hypervelocity star production.

  11. Engineering Institute

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

    upon completion of their graduate degrees Over the last seven years, 150 students from 50 academic institutions have participated in the summer school and sixteen such TSM's have...

  12. Engineering Institute

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

    Education Opportunities » Engineering Institute Engineering Institute Engineering dynamics that include flight, vibration isolation for precision manufacturing, earthquake engineering, blast loading, signal processing, and experimental model analysis. Contact Leader, Los Alamos Charles Farrar Email Leader, UCSD Michael Todd Email Los Alamos Program Administrator Jutta Kayser (505) 663-5649 Email Administrative Assistant Stacy Baker (505) 663-5233 Email Collaboration for conducting

  13. Engineering Institute

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

    Software Download and Data Sets First name * Last name * Email address * Institution * Software & Data Set Selection (Select one or more) SHMTools Software (0.20.0 Beta) mFUSE ...

  14. Quantum Institute

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

    Quantum Institute Quantum Institute A new research frontier awaits! Our door is open and we thrive on mutually beneficial partnerships, collaborations that drive innovations and new technologies. Contact Leader Malcolm Boshier (505) 665-8892 Email Two of LANL's most successful quantum technology initiatives: quantum cryptography and the race for quantum computer The area of quantum information, science, and technology is rapidly evolving, with important applications in the areas of quantum

  15. Engineering Institute

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

    EI Software Download Request EI Software Download Request Contact Institute Director Charles Farrar (505) 663-5330 Email UCSD EI Director Michael Todd (858) 534-5951 Executive Administrator Ellie Vigil (505) 667-2818 Email Administrative Assistant Rebecca Duran (505) 665-8899 Email Software Download and Data Sets First name * Last name * Email address * Institution * Software & Data Set Selection (Select one or more) SHMTools Software (0.20.0 Beta) mFUSE Interface (0.2.0 Beta) Datasets

  16. Black hole magnetospheres

    SciTech Connect (OSTI)

    Nathanail, Antonios; Contopoulos, Ioannis

    2014-06-20

    We investigate the structure of the steady-state force-free magnetosphere around a Kerr black hole in various astrophysical settings. The solution Ψ(r, θ) depends on the distributions of the magnetic field line angular velocity ω(Ψ) and the poloidal electric current I(Ψ). These are obtained self-consistently as eigenfunctions that allow the solution to smoothly cross the two singular surfaces of the problem, the inner light surface inside the ergosphere, and the outer light surface, which is the generalization of the pulsar light cylinder. Magnetic field configurations that cross both singular surfaces (e.g., monopole, paraboloidal) are uniquely determined. Configurations that cross only one light surface (e.g., the artificial case of a rotating black hole embedded in a vertical magnetic field) are degenerate. We show that, similar to pulsars, black hole magnetospheres naturally develop an electric current sheet that potentially plays a very important role in the dissipation of black hole rotational energy and in the emission of high-energy radiation.

  17. Laser bottom hole assembly

    DOE Patents [OSTI]

    Underwood, Lance D; Norton, Ryan J; McKay, Ryan P; Mesnard, David R; Fraze, Jason D; Zediker, Mark S; Faircloth, Brian O

    2014-01-14

    There is provided for laser bottom hole assembly for providing a high power laser beam having greater than 5 kW of power for a laser mechanical drilling process to advance a borehole. This assembly utilizes a reverse Moineau motor type power section and provides a self-regulating system that addresses fluid flows relating to motive force, cooling and removal of cuttings.

  18. Aspects of hairy black holes

    SciTech Connect (OSTI)

    Anabalón, Andrés; Astefanesei, Dumitru

    2015-03-26

    We review the existence of exact hairy black holes in asymptotically flat, anti-de Sitter and de Sitter space-times. We briefly discuss the issue of stability and the charging of the black holes with a Maxwell field.

  19. Preliminary results and status report of the Hawaiian Scientific Observation Hole program

    SciTech Connect (OSTI)

    Olson, Harry J.; Deymonaz, John E.

    1992-01-01

    The Hawaii Natural Energy Institute (HNEI), an institute within the School of Ocean and Earth Science and Technology, at the University of Hawaii at Manoa has drilled three Scientific Observation Holes (SOH) in the Kilauea East Rift Zone to assess the geothermal potential of the Big Island of Hawaii, and to stimulate private development of the resource. The first hole drilled, SOH-4, reached a depth of 2,000 meters and recorded a bottom hole temperature of 306 C. Although evidence of fossil reservoir conditions were encountered, no zones with obvious reservoir potential were found. The second hole, SOH- 1, was drilled to a depth of 1,684 meters, recorded a bottom hole temperature of 206.1 C and effectively defined the northern limit of the Hawaii Geothermal Project-Abbott--Puna Geothermal Venture (HGP-A/PGV) reservoir. The final hole, SOH-2, was drilled to a depth of 2,073 meters, recorded a bottom hole temperature of 350.5 C and has sufficient indicated permeability to be designated as a potential ''discovery''. The SOH program was also highly successful in developing slim hole drilling techniques and establishing subsurface geological conditions.

  20. Thermal Gradient Holes | Open Energy Information

    Open Energy Info (EERE)

    Holes Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Thermal Gradient Holes Details Activities (67) Areas (48) Regions (4) NEPA(33) Exploration...

  1. Slim Holes | Open Energy Information

    Open Energy Info (EERE)

    are typically drilled using a diamond coated bit, core samples are often collected, and reservoir properties measured. Slim holes can range from 3-6'' in diameter and be...

  2. Close encounters of three black holes

    SciTech Connect (OSTI)

    Campanelli, Manuela; Lousto, Carlos O.; Zlochower, Yosef

    2008-05-15

    We present the first fully relativistic long-term numerical evolutions of three equal-mass black holes in a system consisting of a third black hole in a close orbit about a black-hole binary. These close-three-black-hole systems have very different merger dynamics from black-hole binaries; displaying complex trajectories, a redistribution of energy that can impart substantial kicks to one of the holes, distinctive waveforms, and suppression of the emitted gravitational radiation. In one configuration the binary is quickly disrupted and the individual holes follow complicated trajectories and merge with the third hole in rapid succession, while in another, the binary completes a half-orbit before the initial merger of one of the members with the third black hole, and the resulting two-black-hole system forms a highly elliptical, well separated binary that shows no significant inspiral for (at least) the first t{approx}1000M of evolution.

  3. Geothermal reservoir assessment based on slim hole drilling. Volume 2: Application in Hawaii: Final report

    SciTech Connect (OSTI)

    Olson, H.J.

    1993-12-01

    The Hawaii Scientific Observation Hole (SOH) program was planned, funded, and initiated in 1988 by the Hawaii Natural Energy Institute, an institute within the School of Ocean and Earth Science and Technology, at the University of Hawaii at Manoa. Initial funding for the SOH program was $3.25 million supplied by the State of Hawaii to drill six, 4,000 foot scientific observation holes on Maui and the Big Island of Hawaii to confirm and stimulate geothermal resource development in Hawaii. After a lengthy permitting process, three SOHs, totaling 18,890 feet of mostly core drilling were finally drilled along the Kilauea East Rift Zone (KERZ) in the Puna district on the Big Island. The SOH program was highly successful in meeting the highly restrictive permitting conditions imposed on the program, and in developing slim hole drilling techniques, establishing subsurface geological conditions, and initiating an assessment and characterization of the geothermal resources potential of Hawaii - - even though permitting specifically prohibited pumping or flowing the holes to obtain data of subsurface fluid conditions. The first hole, SOH-4, reached a depth of 2,000 meters, recorded a/bottom hole temperature of 306.1 C, and established subsurface thermal continuity along the KERZ between the HGP-A and the True/Mid-Pacific Geothermal Venture wells. Although evidence of fossil reservoir conditions were encountered, no zones with obvious reservoir potential were found. The second hole SOH-1, was drilled to a depth of 1,684 meters, recorded a bottom hole temperature of 206.1 C, effectively doubled the size of the Hawaii Geothermal Project-Abbott/Puna Geothermal Venture (HGP-A/PGV) proven/probable reservoir, and defined the northern limit of the HGP-A/PGV reservoir. The final hole, SOH-2, was drilled to a depth of 2,073 meters, recorded a bottom hole temperature of 350.5 C, and has sufficient indicated permeability to be designated as a potential discovery.

  4. SOAR Data: Data from Shipboard Oceanographic and Atmospheric Radiation (SOAR)1999 through 2001

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

    Click on the DATA menu button and then click on a specific ship to find instructions on accessing data from that particular cruise. Instructions will lead you to an FTP site from which data can be downloaded. SOAR data for 1999 through 2001 is reported. SOAR is a global network of research and volunteer ships that carry global change instrumentation. The primary emphasis for SOAR is solar and IR radiation but some ships cary ceilometers, meteorological instruments, and related equipment. All data are collected in a central data collection computer and the flexible data collection software can be adapted to any other user instrumentation. Currently SOAR is installed pas permanent instrumentation on four ships operating in the western Pacific, eastern tropical Pacific, West Indies, and an oceanographic ship that operates around the world. In addition, six other system are used on cruises of opportunity. [Taken from SOAR homepage at http://www.gim.bnl.gov/soar/index.html

  5. Quantum Criticality and Black Holes

    ScienceCinema (OSTI)

    Sachdev, Subir [Harvard University, Cambridge, Massachusetts, United States

    2009-09-01

    I will describe the behavior of a variety of condensed matter systems in the vicinity of zero temperature quantum phase transitions. There is a remarkable analogy between the hydrodynamics of such systems and the quantum theory of black holes. I will show how insights from this analogy have shed light on recent experiments on the cuprate high temperature superconductors. Studies of new materials and trapped ultracold atoms are yielding new quantum phases, with novel forms of quantum entanglement. Some materials are of technological importance: e.g. high temperature superconductors. Exact solutions via black hole mapping have yielded first exact results for transport coefficients in interacting many-body systems, and were valuable in determining general structure of hydrodynamics. Theory of VBS order and Nernst effect in cuprates. Tabletop 'laboratories for the entire universe': quantum mechanics of black holes, quark-gluon plasma, neutrons stars, and big-bang physics.

  6. Woods Hole Research Center Wind Turbine | Open Energy Information

    Open Energy Info (EERE)

    Hole Research Center Wind Turbine Jump to: navigation, search Name Woods Hole Research Center Wind Turbine Facility Woods Hole Research Center Wind Turbine Sector Wind energy...

  7. INSTITUTE COLLOQUIA AND SEMINARS

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

    INSTITUTE INSTITUTE INSTITUTE INSTITUTE COLLOQUIA AND SEMINARS April 1, 2000-March 31, 2001 2000 April 4 Dr. B. Launé, Institut de Physique Nucléaire - Orsay, France GANIL: Overview and Perspectives April 11 Dr. Z. Lin, Cyclotron Institute, TAMU J/psi Absorption in Hadronic Matter April 20 Dr. R. Tribble, Texas A&M University Nuclear Astrophysics at Texas A&M April 23 Prof. S.A. Gurvitz, The Weizmann Institute of Science, Rehovot, Israel Confinement and Scaling in Deep Inelastic

  8. From Pinholes to Black Holes

    SciTech Connect (OSTI)

    Fenimore, Edward E.

    2014-10-06

    Pinhole photography has made major contributions to astrophysics through the use of coded apertures. Coded apertures were instrumental in locating gamma-ray bursts and proving that they originate in faraway galaxies, some from the birth of black holes from the first stars that formed just after the big bang.

  9. High precision, rapid laser hole drilling

    DOE Patents [OSTI]

    Chang, Jim J.; Friedman, Herbert W.; Comaskey, Brian J.

    2005-03-08

    A laser system produces a first laser beam for rapidly removing the bulk of material in an area to form a ragged hole. The laser system produces a second laser beam for accurately cleaning up the ragged hole so that the final hole has dimensions of high precision.

  10. High precision, rapid laser hole drilling

    DOE Patents [OSTI]

    Chang, Jim J.; Friedman, Herbert W.; Comaskey, Brian J.

    2013-04-02

    A laser system produces a first laser beam for rapidly removing the bulk of material in an area to form a ragged hole. The laser system produces a second laser beam for accurately cleaning up the ragged hole so that the final hole has dimensions of high precision.

  11. High precision, rapid laser hole drilling

    DOE Patents [OSTI]

    Chang, Jim J.; Friedman, Herbert W.; Comaskey, Brian J.

    2007-03-20

    A laser system produces a first laser beam for rapidly removing the bulk of material in an area to form a ragged hole. The laser system produces a second laser beam for accurately cleaning up the ragged hole so that the final hole has dimensions of high precision.

  12. The Critical Materials Institute | Critical Materials Institute

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

    The Critical Materials Institute Director Alex King, Operations Manager Cynthia Feller, Jenni Brockpahler and Melinda Thach. Photo left to right: CMI Director Alex King, Operations Manager Cynthia Feller, Jenni Brockpahler and Melinda Thach. Not pictured: Carol Bergman. CMI staff phone 515-296-4500, e-mail CMIdirector@ameslab.gov 2332 Pammel Drive, 134 Wilhelm Hall, Iowa State University, Ames, IA 50011-1025 The Critical Materials Institute focuses on technologies that make better use of

  13. Advanced Studies Institute

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

    Institute » Advanced Studies Institute Science of Signatures Advanced Studies Institute Developing innovative solution strategies for problems that support the forward deployment theme of the Science of Signatures Pillar, and building skills needed for successful research program development. Contact Institute Director Charles Farrar (505) 665-0860 Email UCSD EI Director Michael Todd (858) 534-5951 Executive Administrator Ellie Vigil (505) 667-2818 Email Administrative Assistant Rebecca Duran

  14. INSTITUTE COLLOQUIA AND SEMINARS

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

    5-March 31, 2006 2005 April 1 Dr. Ralf Rapp, Cyclotron Institute, Texas A&M University, College Station, Texas Thermal Field Theory and Instantons II April 8 Mr. Deqiang Sun, Cyclotron Institute, Texas A&M University, College Station, Texas Bottomonium in QGP and Heavy-Ion Collisions April 22 Dr. Ralf Rapp, Cyclotron Institute, Texas A&M University, College Station, Texas Thermal Field Theory and Instantons III May 6 Dr. Massimo Mannarelli, Massachusetts Institute of Technology,

  15. Southern Research Institute Visit

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

    Southern Reaserch Engineering Capabilities Briefing 2010 Southern Research Institute Pharmaceutical and Biotechnology Research Briefing 2010 CAMD Introduction - Richard Kurtz Mary ...

  16. On coupling impedances of pumping holes

    SciTech Connect (OSTI)

    Kurennoy, S.

    1993-04-01

    Coupling impedances of a single small hole in vacuum-chamber walls have been calculated at low frequencies. To generalize these results for higher frequencies and/or larger holes one needs to solve coupled integral equations for the effective currents. These equations are solved for two specific hole shapes. The effects of many holes at high frequencies where the impedances are not additive are studied using a perturbation-theory method. The periodic versus random distributions of the pumping holes in the Superconducting Super Collider liner are compared.

  17. Detecting small holes in packages

    DOE Patents [OSTI]

    Kronberg, J.W.; Cadieux, J.R.

    1996-03-19

    A package containing a tracer gas, and a method for determining the presence of a hole in the package by sensing the presence of the gas outside the package are disclosed. The preferred tracer gas, especially for food packaging, is sulfur hexafluoride. A quantity of the gas is added to the package and the package is closed. The concentration of the gas in the atmosphere outside the package is measured and compared to a predetermined value of the concentration of the gas in the absence of the package. A measured concentration greater than the predetermined value indicates the presence of a hole in the package. Measuring may be done in a chamber having a lower pressure than that in the package. 3 figs.

  18. Detecting small holes in packages

    DOE Patents [OSTI]

    Kronberg, James W.; Cadieux, James R.

    1996-01-01

    A package containing a tracer gas, and a method for determining the presence of a hole in the package by sensing the presence of the gas outside the package. The preferred tracer gas, especially for food packaging, is sulfur hexafluoride. A quantity of the gas is added to the package and the package is closed. The concentration of the gas in the atmosphere outside the package is measured and compared to a predetermined value of the concentration of the gas in the absence of the package. A measured concentration greater than the predetermined value indicates the presence of a hole in the package. Measuring may be done in a chamber having a lower pressure than that in the package.

  19. Complexity, action, and black holes

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

    Brown, Adam R.; Roberts, Daniel A.; Susskind, Leonard; Swingle, Brian; Zhao, Ying

    2016-04-18

    In an earlier paper "Complexity Equals Action" we conjectured that the quantum computational complexity of a holographic state is given by the classical action of a region in the bulk (the `Wheeler-DeWitt' patch). We provide calculations for the results quoted in that paper, explain how it fits into a broader (tensor) network of ideas, and elaborate on the hypothesis that black holes are the fastest computers in nature.

  20. Down hole periodic seismic generator

    DOE Patents [OSTI]

    Hardee, Harry C.; Hills, Richard G.; Striker, Richard P.

    1989-01-01

    A down hole periodic seismic generator system for transmitting variable frequency, predominantly shear-wave vibration into earth strata surrounding a borehole. The system comprises a unitary housing operably connected to a well head by support and electrical cabling and contains clamping apparatus for selectively clamping the housing to the walls of the borehole. The system further comprises a variable speed pneumatic oscillator and a self-contained pneumatic reservoir for producing a frequency-swept seismic output over a discrete frequency range.

  1. Black hole mimickers: Regular versus singular behavior

    SciTech Connect (OSTI)

    Lemos, Jose P. S.; Zaslavskii, Oleg B.

    2008-07-15

    Black hole mimickers are possible alternatives to black holes; they would look observationally almost like black holes but would have no horizon. The properties in the near-horizon region where gravity is strong can be quite different for both types of objects, but at infinity it could be difficult to discern black holes from their mimickers. To disentangle this possible confusion, we examine the near-horizon properties, and their connection with far away asymptotic properties, of some candidates to black mimickers. We study spherically symmetric uncharged or charged but nonextremal objects, as well as spherically symmetric charged extremal objects. Within the uncharged or charged but nonextremal black hole mimickers, we study nonextremal {epsilon}-wormholes on the threshold of the formation of an event horizon, of which a subclass are called black foils, and gravastars. Within the charged extremal black hole mimickers we study extremal {epsilon}-wormholes on the threshold of the formation of an event horizon, quasi-black holes, and wormholes on the basis of quasi-black holes from Bonnor stars. We elucidate whether or not the objects belonging to these two classes remain regular in the near-horizon limit. The requirement of full regularity, i.e., finite curvature and absence of naked behavior, up to an arbitrary neighborhood of the gravitational radius of the object enables one to rule out potential mimickers in most of the cases. A list ranking the best black hole mimickers up to the worst, both nonextremal and extremal, is as follows: wormholes on the basis of extremal black holes or on the basis of quasi-black holes, quasi-black holes, wormholes on the basis of nonextremal black holes (black foils), and gravastars. Since in observational astrophysics it is difficult to find extremal configurations (the best mimickers in the ranking), whereas nonextremal configurations are really bad mimickers, the task of distinguishing black holes from their mimickers seems to

  2. Submicron patterned metal hole etching

    DOE Patents [OSTI]

    McCarthy, Anthony M.; Contolini, Robert J.; Liberman, Vladimir; Morse, Jeffrey

    2000-01-01

    A wet chemical process for etching submicron patterned holes in thin metal layers using electrochemical etching with the aid of a wetting agent. In this process, the processed wafer to be etched is immersed in a wetting agent, such as methanol, for a few seconds prior to inserting the processed wafer into an electrochemical etching setup, with the wafer maintained horizontal during transfer to maintain a film of methanol covering the patterned areas. The electrochemical etching setup includes a tube which seals the edges of the wafer preventing loss of the methanol. An electrolyte composed of 4:1 water: sulfuric is poured into the tube and the electrolyte replaces the wetting agent in the patterned holes. A working electrode is attached to a metal layer of the wafer, with reference and counter electrodes inserted in the electrolyte with all electrodes connected to a potentiostat. A single pulse on the counter electrode, such as a 100 ms pulse at +10.2 volts, is used to excite the electrochemical circuit and perform the etch. The process produces uniform etching of the patterned holes in the metal layers, such as chromium and molybdenum of the wafer without adversely effecting the patterned mask.

  3. Port hole perturbations to the magnetic field in MST

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

    2 (2010) 095002 (17pp) doi:10.1088/0741-3335/52/9/095002 Port hole perturbations to the magnetic field in MST P J Fimognari 1 , A F Almagri 1 , J K Anderson 1 , D R Demers 2 , J S Sarff 1 , V Tangri 1 and J Waksman 1 1 Department of Physics, University of Wisconsin-Madison, Madison, WI 53706, USA 2 Rensselaer Polytechnic Institute, Troy, NY 12180, USA E-mail: fimognari@wisc.edu Received 26 February 2010, in final form 23 June 2010 Published 19 July 2010 Online at stacks.iop.org/PPCF/52/095002

  4. Graduate Studies - Cyclotron Institute

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

    Students wishing to carry out their dissertation research at the Cyclotron Institute must be formally enrolled in the graduate program of either the Department of Physics or the Department of Chemistry, but may elect to work with any Institute faculty research advisor, irrespective of that advisor's departmental affiliation. Research programs at the Cyclotron Institute are funded by the U.S. Department of Energy, the National Science Foundation, and the Robert A. Welch Foundation. Application

  5. UNCLASSIFIED Institute for Materials ...

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

    Emeritus Institute for Theoretical Condensed Matter Physics (KIT) The Exotic World of Quantum Matter: Novel States Induced by Fluctuations Tuesday, June 30, 2015 2 - 3pm MSL...

  6. INSTITUTE COLLOQUIA AND SEMINARS

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

    Shanghai Jiao Tong University, Shanghai, China Probing the Nuclear Symmetry Energy with ... Jiansong Wang, Institute of Modern Physics, Lanzhou, China The Status of Hadronic Physics ...

  7. Information Science & Technology Institute

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

    ISTI Information Science & Technology Institute Providing connection to program management for capability needs, as well as IS&T integration and support for mission-critical...

  8. INSTITUTE COLLOQUIA AND SEMINARS

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

    Jeffrey W. Martin, Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, California Ultracold Neutrons April 20 Professor J. W. Watson, Department of Physics, ...

  9. UNCLASSIFIED Institute for Materials ...

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

    professor in the Woodruff School of Mechanical Engineering at Georgia Institute of Technology. She was previously a postdoctoral research fellow at the Center for Integrated...

  10. Edison Electric Institute Update

    Broader source: Energy.gov [DOE]

    Presentation—given at the Fall 2011 Federal Utility Partnership Working Group (FUPWG) meeting—discusses the Edison Electric Institute (EEI) and the current electricity landscape.

  11. Careers | Critical Materials Institute

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

    Careers The Critical Materials Institute at the The Ames Laboratory, a Department of Energy national laboratory affiliated with Iowa State University, offers a variety of career ...

  12. INSTITUTE COLLOQUIA AND SEMINARS

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

    Hass, The Weizmann Institute, Rehovot, Israel A New Precision Measurement of the 7 Be ... Yigal Ronen, Ben Gurion University Beer-Sheva, Israel Space Travel: Science or Fiction? ...

  13. INSTITUTE COLLOQUIA AND SEMINARS

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

    Raymond Moreh, Physics Department, Ben-Gurion University of the Negev, Beer-Sheva, Israel and Rensselaer Polytechnic Institute, Troy, New York Neutron Scattering of keV ...

  14. Institute for Advanced Studies

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

    working on joint NMC proposals. Participation in the projects must not negatively impact partner institutions. Funding for joint projects should be through partner...

  15. Boson shells harboring charged black holes

    SciTech Connect (OSTI)

    Kleihaus, Burkhard; Kunz, Jutta; Laemmerzahl, Claus; List, Meike

    2010-11-15

    We consider boson shells in scalar electrodynamics coupled to Einstein gravity. The interior of the shells can be empty space, or harbor a black hole or a naked singularity. We analyze the properties of these types of solutions and determine their domains of existence. We investigate the energy conditions and present mass formulae for the composite black hole-boson shell systems. We demonstrate that these types of solutions violate black hole uniqueness.

  16. Black hole birth captured by cosmic voyeurs

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

    Black hole birth captured by cosmic voyeurs Black hole birth captured by cosmic voyeurs The RAPTOR system is a network of small robotic observatories that scan the skies for optical anomalies such as flashes emanating from a star in its death throes as it collapses and becomes a black hole. November 21, 2013 Los Alamos National Laboratory astrophysicist Tom Vestrand poses with a telescope array that is part of the RAPTOR (RAPid Telescopes for Optical Response) system. RAPTOR is an intelligent

  17. Facilities - Cyclotron Institute

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

    The Cyclotron Institute has expanded steadily since commissioning the original cyclotron in 1967 and is currently upgrading again. The diagram to the left shows the variety of sophisticated detectors and spectrometers that enhance the Institute's capacity for nuclear research. Follow the above links for more detailed information about our facilities.

  18. Cyclotron Institute Upgrade Project - Facilities - Cyclotron Institute

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

    Upgrade Overview / K150 Cyclotron / Light Ion Guide / Heavy Ion Guide / Negative Ion Source / CB-ECRIS Facility Upgrade White Paper Overview Picture of the experimental set up to measure beta-decay half-lives. On January 3, 2005 the Cyclotron Institute Upgrade Project (CIUP) began with the approval of the CIUP management plan by the Department of Energy Nuclear Physics Office. The project will extend to the first quarter of calendar year 2011. When completed, the upgraded facility will provide

  19. INSTITUTE COLLOQUIA AND SEMINARS

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

    2-March 31, 2003 2002 April 2 Dr. Bency John, Cyclotron Institute, Texas A&M University Isoscalar Giant Resonances in 12 C April 9 Professor J. Rapaport, Ohio University, Athens, Ohio Charge Exchange Reactions and Spin Transfer Measurements April 16 M. Sanchez-Vega and V. E. Jacob, Cyclotron Institute, Texas A&M University Test of the Unitarity of the CKM Matrix via Superallowed β + decay. April 23 Dr. Subrata Pal, Cyclotron Institute, Texas A&M University Strange Particle

  20. Inspection considerations for holes 0. 040 inch and smaller

    SciTech Connect (OSTI)

    Not Available

    1980-03-01

    The accurate inspection of hole size and location for holes smaller than 0.040 inch necessitates several considerations beyond those normally encountered for larger holes. The technical aspects are described herein.

  1. Probing Core-Hole Localization in Molecular Nitrogen

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

    Probing Core-Hole Localization in Molecular Nitrogen Probing Core-Hole Localization in Molecular Nitrogen Print Wednesday, 25 February 2009 00:00 The behavior of the core hole...

  2. DOE - NNSA/NFO -- Photo Library Big Hole Drilling

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

    Big Hole Drilling NNSANFO Language Options U.S. DOENNSA - Nevada Field Office Photo Library - Big Hole Drilling The need to drill large-diameter holes at the Nevada National ...

  3. Classification Training Institute Catalog | Department of Energy

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

    Classification Training Institute Catalog Classification Training Institute Catalog Classification Training Institute (CTI) Catalog

  4. Financial Institution Lending Programs

    Broader source: Energy.gov [DOE]

    Financial institution loans for clean energy projects are originated and serviced through an entity other than the government, typically banks. In this case, a state or local government is not the...

  5. Critical Materials Institute

    ScienceCinema (OSTI)

    Alex King

    2013-06-05

    Ames Laboratory Director Alex King talks about the goals of the Critical Materials Institute in diversifying the supply of critical materials, developing substitute materials, developing tools and techniques for recycling critical materials, and forecasting materials needs to avoid future shortages.

  6. New England Fuel Institute

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

    and CEO of the New England Fuel Institute Before the U.S. Department of Energy and the Quadrennial Energy Review Task Force Public Hearing on "New England Regional ...

  7. UNCLASSIFIED Institute for Materials ...

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

    PSI: the X-ray free electron laser SwissFEL and its future experimental capabilities. Biography: Prof. Dr. Jol Mesot is, since 2008, director of the Paul Scherrer Institute...

  8. People - Cyclotron Institute

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

    Overview Dr. Ralf Rapp meets with his research group. At the Institute we focus on conducting basic research, educating students in accelerator-based science and technology, and providing technical capabilities for a wide variety of applications in space science, materials science, analytical procedures and nuclear medicine. Approximately 100 Institute members - scientists, engineers, technicians, support staff, graduate students and undergraduate students - are involved in these programs.

  9. Resources | Critical Materials Institute

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

    Resources The Critical Materials Institute offers connections to resources, including: List of resources U.S. Rare Earth Magnet Patents Table Government agency contacts CMI unique facilities CMI recent presentations Photographs via Flick'r: Critical Materials Institute, The Ames Laboratory Videos from The Ames Laboratory Webinars from Colorado School of Mines To offer comments on the CMI website or to ask questions, please contact us via e-mail at CMIdirector@ameslab.gov or call 515-296-4500.

  10. Site Map - Cyclotron Institute

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

    Site Map Cyclotron Institute About K500 Beam Schedule Recent News Seminars and Colloquia Cyclotron Institute Safety (limited access) Radiation Effects Facility REU Program Research Heavy Ion Reactions Fundamental Interactions Nuclear Astrophysics Interactions of Highly Charged Ions With Matter Theoretical Nuclear Physics Nuclear Structure External Collaborations Publications Research Groups Facilities K500 Cyclotron ECR Ion Sources MARS Big Sol MDM Spectrometer NIMROD Precision On-Line Decay

  11. Great Lakes Energy Institute

    SciTech Connect (OSTI)

    Alexander, J. Iwan

    2012-11-18

    The vision of the Great Lakes Energy Institute is to enable the transition to advanced, sustainable energy generation, storage, distribution and utilization through coordinated research, development, and education. The Institute will place emphasis on translating leading edge research into next generation energy technology. The Institute’s research thrusts focus on coordinated research in decentralized power generation devices (e.g. fuel cells, wind turbines, solar photovoltaic devices), management of electrical power transmission and distribution, energy storage, and energy efficiency.

  12. INSTITUTE COLLOQUIA AND SEMINARS

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

    INSTITUTE COLLOQUIA AND SEMINARS April 1, 2010-March 31, 2011 2010 May 11 Dr. J. J. Ressler, Lawrence Livermore National Laboratory, Livermore, California Surrogate Reactions for Nuclear Energy Application May 12 Professor Lie-Wen Chen, Institute of Nuclear, Particle Astronomy and Cosmology (INPAC) and Department of Physics, Shanghai Jiao Tong University, Shanghai, China Probing the Nuclear Symmetry Energy with Heavy-Ion Reactions and Neutron Skin Thickness of Heavy Nuclei May 13 Professor A. R.

  13. Brookhaven National Laboratory - Sr90 - Chemical Holes | Department...

    Office of Environmental Management (EM)

    - Chemical Holes Brookhaven National Laboratory - Sr90 - Chemical Holes January 1, 2014 - ... InstallationName, State: Brookhaven National Laboratory Responsible DOE Office: Office of ...

  14. Normal Modes of Black Hole Accretion Disks (Technical Report...

    Office of Scientific and Technical Information (OSTI)

    the modes for different values of the mass and angular momentum of the central black hole. ... PARTICLES AND FIELDS; ACCRETION DISKS; ANGULAR MOMENTUM; BLACK HOLES; EIGENFUNCTIONS; ...

  15. Two Electron Holes in Hematite Facilitate Water Splitting

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

    Two Electron Holes in Hematite Facilitate Water Splitting Two Electron Holes in Hematite Facilitate Water Splitting Print Wednesday, 26 September 2012 00:00 Hydrogen is an...

  16. Holes Are a Positive Thing: Designing Conductors for Solar Photovoltai...

    Office of Science (SC) Website

    Holes Are a Positive Thing: Designing Conductors for Solar Photovoltaics Basic Energy ... Holes Are a Positive Thing: Designing Conductors for Solar Photovoltaics Predicted by ...

  17. Category:Thermal Gradient Holes | Open Energy Information

    Open Energy Info (EERE)

    in category "Thermal Gradient Holes" This category contains only the following page. T Thermal Gradient Holes Retrieved from "http:en.openei.orgwindex.php?titleCategory:T...

  18. Core Holes At Long Valley Caldera Geothermal Area (Urban, Et...

    Open Energy Info (EERE)

    Technique Core Holes Activity Date 1986 - 1986 Usefulness useful DOE-funding Unknown Exploration Basis After several temperature-gradient holes were drilled in 1982 to the...

  19. Energy and information near black hole horizons (Journal Article...

    Office of Scientific and Technical Information (OSTI)

    Energy and information near black hole horizons Citation Details In-Document Search Title: Energy and information near black hole horizons The central challenge in trying to ...

  20. Novel mechanism for vorticity generation in black-hole accretion...

    Office of Scientific and Technical Information (OSTI)

    Novel mechanism for vorticity generation in black-hole accretion disks Prev Next Title: Novel mechanism for vorticity generation in black-hole accretion disks Authors: ...

  1. Water telescope's first sky map shows flickering black holes

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

    Water telescope's first sky map shows flickering black holes Water telescope's first sky map shows flickering black holes The High Altitude Water Cherenkov observatory has released ...

  2. Thermal Gradient Holes At Tungsten Mountain Area (Kratt, Et Al...

    Open Energy Info (EERE)

    Gradient Holes Activity Date Usefulness useful DOE-funding Unknown Notes twenty-three gold exploration holes were drilled by Newcrest Resources, Inc. during 2005 and 2006 along...

  3. Category:Open-Hole Techniques | Open Energy Information

    Open Energy Info (EERE)

    Open-Hole Techniques Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermalpower.jpg Looking for the Open-Hole Techniques page? For detailed information on...

  4. Two Electron Holes in Hematite Facilitate Water Splitting

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

    been suspected that in hematite, two different holes are formed with different water-splitting power. The existence of different types of holes with disparate reactivity...

  5. Compound and Elemental Analysis At Seven Mile Hole Area (Larson...

    Open Energy Info (EERE)

    Seven Mile Hole Area (Larson, Et Al., 2009) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Compound and Elemental Analysis At Seven Mile Hole...

  6. Slim Holes for Small Power Plants

    SciTech Connect (OSTI)

    Finger, John T.

    1999-08-06

    Geothermal research study at Sandia National Laboratories has conducted a program in slimhole drilling research since 1992. Although our original interest focused on slim holes as an exploration method, it has also become apparent that they have substantial potential for driving small-scale, off-grid power plants. This paper summarizes Sandia's slim-hole research program, describes technology used in a ''typical'' slimhole drilling project, presents an evaluation of using slim holes for small power plants, and lists some of the research topics that deserve further investigation.

  7. Early black hole signals at the LHC

    SciTech Connect (OSTI)

    Koch, Ben; Bleicher, Marcus; Stoecker, Horst

    2007-10-26

    The production of mini black holes due to large extra dimensions is a speculative but possible scenario. We survey estimates for di-jet suppression, and multi-mono-jet emission due to black hole production. We further look for a possible sub-scenario which is the formation of a stable or meta-stable black hole remnant (BHR). We show that the beauty of such objects is, that they are relatively easy to observe, even in the early phase of LHC running.

  8. News - Cyclotron Institute

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

    News August 25th, 2016 12:46 AM "Texas A&M Science - Labors of Lab." REU student Kassie Marble featured in TAMU College of Science Video July 23rd, 2016 12:46 AM The 2015-2016 Cyclotron Institute Annual Report, "Progress in Research", is now available. You may view/download the complete document and you may also browse individual articles. July 7th, 2015 1:01 AM The 2014-2015 Cyclotron Institute Annual Report, "Progress in Research", is now available. You may

  9. Bottom hole oil well pump

    SciTech Connect (OSTI)

    Hansen, J.E.; Hinds, W.E.; Oldershaw, P.V.

    1982-09-21

    A bottom hole well pump is disclosed comprising a pump housing supported by a control cable for raising and lowering the housing within tubing in a well, a linear motor within the housing causing reciprocation of a plunger extending into a pumping chamber formed by the housing with inlet and outlet check valves for controlling flow of oil or other liquid into the pumping chamber and from the pumping chamber into the tubing above the pump housing. In one embodiment, belleville-type springs are employed for storing energy as the plunger approaches its opposite limits of travel in order to initiate movement of the plunger in the opposite direction. In this embodiment, a single pumping chamber is formed above the linear motor with a single-valve block arranged above the pumping chamber and including inlet check valve means for controlling liquid flow into the pumping chamber and outlet check valve means for controlling liquid flow from the pumping chamber into the tubing interior above the pump housing. In another embodiment, pumping chambers are formed above and below the linear motor with a tubular plunger extending into both pumping chambers, in order to achieve pumping during both directions of travel of the plunger.

  10. Rahus Institute | Open Energy Information

    Open Energy Info (EERE)

    article is a stub. You can help OpenEI by expanding it. Rahus Institute is a policy organization located in Martinez, California. References About Rahus Institute Retrieved...

  11. Institutional Change Process for Sustainability

    Broader source: Energy.gov [DOE]

    For establishing institutional change in a federal agency to achieve sustainability or other energy efficiency goals, follow the five-step institutional change process.

  12. Strategies for Achieving Institutional Change

    Broader source: Energy.gov [DOE]

    Many strategies—including those derived from Institutional Change Principles–may be used to effect institutional change in support of energy and sustainability objectives.

  13. Ecologic Institute | Open Energy Information

    Open Energy Info (EERE)

    Institute Name: Ecologic Institute Address: Pfalzburger Strasse 4344 Place: Berlin, Germany Year Founded: 1995 Phone Number: +49 (30) 86880-0 Website: ecologic.eu...

  14. Spectral line broadening in magnetized black holes

    SciTech Connect (OSTI)

    Frolov, Valeri P.; Shoom, Andrey A.; Tzounis, Christos E-mail: ashoom@ualberta.ca

    2014-07-01

    We consider weakly magnetized non-rotating black holes. In the presence of a regular magnetic field the motion of charged particles in the vicinity of a black hole is modified. As a result, the position of the innermost stable circular orbit (ISCO) becomes closer to the horizon. When the Lorentz force is repulsive (directed from the black hole) the ISCO radius can reach the gravitational radius. In the process of accretion charged particles (ions) of the accreting matter can be accumulated near their ISCO, while neutral particles fall down to the black hole after they reach 6M radius. The sharp spectral line Fe α, emitted by iron ions at such orbits, is broadened when the emission is registered by a distant observer. In this paper we study this broadening effect and discuss how one can extract information concerning the strength of the magnetic field from the observed spectrum.

  15. Radioactive hot cell access hole decontamination machine

    DOE Patents [OSTI]

    Simpson, William E.

    1982-01-01

    Radioactive hot cell access hole decontamination machine. A mobile housing has an opening large enough to encircle the access hole and has a shielding door, with a door opening and closing mechanism, for uncovering and covering the opening. The housing contains a shaft which has an apparatus for rotating the shaft and a device for independently translating the shaft from the housing through the opening and access hole into the hot cell chamber. A properly sized cylindrical pig containing wire brushes and cloth or other disks, with an arrangement for releasably attaching it to the end of the shaft, circumferentially cleans the access hole wall of radioactive contamination and thereafter detaches from the shaft to fall into the hot cell chamber.

  16. Commitment Institutional Change Principle

    Office of Energy Efficiency and Renewable Energy (EERE)

    Commitment can be a crucial element that helps federal agencies inject and emphasize sustainability in their organizational culture. Institutions and people change when they have made definite commitments to change, especially when those commitments relate to future conditions. Research shows that explicit commitments improve the rate at which people adopt energy-efficient behaviors.

  17. Use of Institutional Controls

    Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

    2003-04-09

    The Policy ensures that the Department of Energy will use institutional controls in the management of resources, facilities and properties under its control, and in implementing its programmatic responsibilities. Certified 1-28-11. Superseded by Chg 1 (Admin Chg), dated 12-7-15.

  18. Use of Institutional Controls

    Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

    2003-04-09

    The Policy ensures that the Department of Energy will use institutional controls in the management of resources, facilities and properties under its control, and in implementing its programmatic responsibilities. Certified 1-28-11. Supersedes DOE P 454.1, dated 4-9-03.

  19. THE BLACK HOLE FORMATION PROBABILITY

    SciTech Connect (OSTI)

    Clausen, Drew; Piro, Anthony L.; Ott, Christian D.

    2015-02-01

    A longstanding question in stellar evolution is which massive stars produce black holes (BHs) rather than neutron stars (NSs) upon death. It has been common practice to assume that a given zero-age main sequence (ZAMS) mass star (and perhaps a given metallicity) simply produces either an NS or a BH, but this fails to account for a myriad of other variables that may effect this outcome, such as spin, binarity, or even stochastic differences in the stellar structure near core collapse. We argue that instead a probabilistic description of NS versus BH formation may be better suited to account for the current uncertainties in understanding how massive stars die. We present an initial exploration of the probability that a star will make a BH as a function of its ZAMS mass, P {sub BH}(M {sub ZAMS}). Although we find that it is difficult to derive a unique P {sub BH}(M {sub ZAMS}) using current measurements of both the BH mass distribution and the degree of chemical enrichment by massive stars, we demonstrate how P {sub BH}(M {sub ZAMS}) changes with these various observational and theoretical uncertainties. We anticipate that future studies of Galactic BHs and theoretical studies of core collapse will refine P {sub BH}(M {sub ZAMS}) and argue that this framework is an important new step toward better understanding BH formation. A probabilistic description of BH formation will be useful as input for future population synthesis studies that are interested in the formation of X-ray binaries, the nature and event rate of gravitational wave sources, and answering questions about chemical enrichment.

  20. Nuclear Energy Institute

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

    (NEI) Summit Presentation University-Industry- Laboratory Partnerships: Gauging Effectiveness Douglas Kothe, CASL Director Oak Ridge National Laboratory February 26, 2014 CASL-U-2014-0355-000 CASL-U-2014-0355-000 University-Industry-Laboratory Partnerships Gauging Effectiveness CASL: The Consortium for Advanced Simulation of Light Water Reactors A DOE Energy Innovation Hub Douglas B. Kothe Oak Ridge National Laboratory Director, CASL 9 th Nuclear Energy R&D Summit Nuclear Energy Institute

  1. Publications - Cyclotron Institute

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

    Publications "Progress in Research", Cyclotron Institute Annual Reports View individual articles: 2016 / 2015 / 2014 / 2013 / 2012 / 2011 / 2010 / 2009 / 2008 / 2007 / 2006 / 2005 / 2004 / 2003 / 2002 / 2001 / 2000 / 1999 Download complete documents: 2016 / 2015 / 2014 / 2013 / 2012 / 2011 / 2010 / 2009 / 2008 / 2007 / 2006 / 2005 / 2004 / 2003 List of Papers Published by Year 2012 / 2011 / 2010 / 2009 / 2008 / 2007/ 2006 / 2005 / 2004 / 2003 / 2002 / 2001 / 2000 / 1999 / 1998 / 1997 /

  2. Research - Cyclotron Institute

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

    Overview Viewing gamma ray spectra. The Institute research program focuses on the atomic nucleus, a many-body system of strongly interacting constituents bound together by the strongest forces known in nature. The properties investigated often can be described in terms of the motions of single nucleons (neutrons and protons), the correlated motions of several nucleons, and the collective motions of many nucleons. On a finer scale, they can be understood in terms of the degrees of freedom of

  3. Research | Critical Materials Institute

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

    Research Four Research Thrusts organizational chart of four research thrusts (A click on the org chart image will lead to a pdf version that includes hotlinks for the e-mail addresses for leaders.) CMI has more than 30 projects focused in four areas. Project titles are available in a table, which can be sorted by project leader, location of project leader, project title or project number. CMI research is conducted at partner institutions, including national laboratories, universities and

  4. SRF Institute | Jefferson Lab

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

    SRF Institute Jefferson Lab is recognized as a world leader in accelerator science. This expertise comes from the planning, building, maintaining and operating of the Continuous Electron Beam Accelerator Facility (CEBAF) - the lab's particle accelerator. CEBAF is based on superconducting radiofrequency (SRF) technology and produces a stream of charged electrons that scientists use to probe the nucleus of the atom. CEBAF was the first large-scale application of SRF technology in the U.S., and it

  5. Contact - Cyclotron Institute

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

    Contact Website Manager Bruce Hyman Email: hyman@comp.tamu.edu Mailing Address Cyclotron Institute Texas A&M University 3366 TAMU College Station, TX, 77843-3366 Campus Location Luedecke Building / Building #434 Campus Map Google Map Phone Number 979-845-1411 Fax Number 979-845-1899 Directory Graduate Faculty Full Directory For Information about Graduate Studies Contact: Professor Che Ming Ko Email: ko@comp.tamu.edu For Potential Use of Our Facility Contact: Professor Sherry J. Yennello

  6. INSTITUTE COLLOQUIA AND SEMINARS

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

    1-March 31, 2002 2001 April 10 Dr. Massimo Di Toro, LNS/INFN and the University of Catania, Italy Isospin Effects on Nuclear Dynamics April 12 Dr. C. Lewis, U.S. Environmental Protection Agency, Research Triangle, North Carolina Air Pollution Research Using Radiocarbon Measurements April 17 Professor Olga Kocharovskaya, Department of Physics, Texas A&M University, College Station, Texas Laser Control of Mossbauer Nuclear Transitions May 1 Dr. Bency John, Cyclotron Institute, Texas A&M

  7. INSTITUTE COLLOQUIA AND SEMINARS

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

    6-March 31, 2007 2006 April 6 Dr. Jamal Jalilian-Marian, Institute for Nuclear Theory, University of Washington, Seattle, Washington An Introduction to Particle Production in High Energy Nuclear Collisions April 7 Professor Taka Kajino, National Astronomical Observatory, University of Tokyo, Tokyo, Japan A Frontier of Nuclear Astrophysics: Big-Bang Cosmology and Supernova Nucleosynthesis April 19 Dr. Anna Stasto, Brookhaven National Laboratory, Upton, New York High Energy Limit and Parton

  8. INSTITUTE COLLOQUIA AND SEMINARS

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

    7-March 31, 2008 2007 April 5 Dr. Nigel Orr, Laboratoire de Physique Corpusculaire, Universite de Caen Basse-Normandie, France Probing Nuclear Structure Far from Stability: from Breakup to Knockout April 10 Dr. Lie-wen Chen, Institute of Theoretical Physics, Shanghai Jiao Tong University, Shanghai, China Probing the Nuclear Symmetry Energy with Heavy-Ion Reactions Induced by Neutron- Rich Nuclei April 11 Dr. Nigel Orr, Laboratoire de Physique Corpusculaire, Universite de Caen Basse-Normandie,

  9. INSTITUTE COLLOQUIA AND SEMINARS

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

    09-March 31, 2010 2009 April 17 Professor Jian-Wei Qiu, Department of Physics and Astronomy, Iowa State University, Ames, Iowa and Brookhaven National Laboratory, Upton, New York QCD and High Energy Nuclear Collisions April 21 Dr. Peter Levai, KFKI Research Institute for Particle and Nuclear Physics, Budapest, Hungary Can We Find Quark-Gluon Plasma in pp Collision at LHC? April 28 Professor Wolfgang Mittig, NSCL, Michigan State University, East Lansing, Michigan Nuclear Power and Global Energy

  10. Ethiopian Development Research Institute | Open Energy Information

    Open Energy Info (EERE)

    Ethiopian Development Research Institute Jump to: navigation, search Logo: Ethiopian Development Research Institute Name: Ethiopian Development Research Institute Address: Ethiopia...

  11. Utilization Technology Institute | Open Energy Information

    Open Energy Info (EERE)

    Utilization Technology Institute Jump to: navigation, search Name: Utilization Technology Institute Place: Des Plaines, IL References: Utilization Technology Institute1...

  12. CMI Social Media | Critical Materials Institute

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

    Social Media Facebook: Critical Materials Institute Twitter: CMI_hub LinkedIn: Critical Materials Institute Flickr: Critical Materials Institute

  13. BLACK HOLE FORAGING: FEEDBACK DRIVES FEEDING

    SciTech Connect (OSTI)

    Dehnen, Walter; King, Andrew, E-mail: wd11@leicester.ac.uk, E-mail: ark@astro.le.ac.uk [Theoretical Astrophysics Group, University of Leicester, Leicester LE1 7RH (United Kingdom)] [Theoretical Astrophysics Group, University of Leicester, Leicester LE1 7RH (United Kingdom)

    2013-11-10

    We suggest a new picture of supermassive black hole (SMBH) growth in galaxy centers. Momentum-driven feedback from an accreting hole gives significant orbital energy, but little angular momentum to the surrounding gas. Once central accretion drops, the feedback weakens and swept-up gas falls back toward the SMBH on near-parabolic orbits. These intersect near the black hole with partially opposed specific angular momenta, causing further infall and ultimately the formation of a small-scale accretion disk. The feeding rates into the disk typically exceed Eddington by factors of a few, growing the hole on the Salpeter timescale and stimulating further feedback. Natural consequences of this picture include (1) the formation and maintenance of a roughly toroidal distribution of obscuring matter near the hole; (2) random orientations of successive accretion disk episodes; (3) the possibility of rapid SMBH growth; (4) tidal disruption of stars and close binaries formed from infalling gas, resulting in visible flares and ejection of hypervelocity stars; (5) super-solar abundances of the matter accreting on to the SMBH; and (6) a lower central dark-matter density, and hence annihilation signal, than adiabatic SMBH growth implies. We also suggest a simple subgrid recipe for implementing this process in numerical simulations.

  14. Rotating black hole thermodynamics with a particle probe

    SciTech Connect (OSTI)

    Gwak, Bogeun; Lee, Bum-Hoon

    2011-10-15

    The thermodynamics of Myers-Perry black holes in general dimensions are studied using a particle probe. When undergoing particle absorption, the changes of the entropy and irreducible mass are shown to be dependent on the particle radial momentum. The black hole thermodynamic behaviors are dependent on dimensionality for specific rotations. For a 4-dimensional Kerr black hole, its black hole properties are maintained for any particle absorption. 5-dimensional black holes can avoid a naked ring singularity by absorbing a particle in specific momenta ranges. Black holes over 6 dimensions become ultraspinning black holes through a specific form of particle absorption. The microscopical changes are interpreted in limited cases of Myers-Perry black holes using Kerr/CFT correspondence. We systematically describe the black hole properties changed by particle absorption in all dimensions.

  15. Massachusetts Institute of Technology

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

    05/2010 Teppei Katori, MIT 1 Teppei Katori for the MiniBooNE collaboration Massachusetts Institute of Technology U-Maryland Nuclear/HEP seminar, College Park, October, 5, 2010 MiniBooNE, a neutrino oscillation experiment at Fermilab 10/05/2010 Teppei Katori, MIT 2 Outline 1. Introduction 2. Neutrino beam 3. Events in the detector 4. Cross section model 5. Oscillation analysis and result 6. New Low energy excess result 7. Anti-neutrino oscillation result 8. Neutrino disappearance result 9.

  16. LIG - Facilities - Cyclotron Institute

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

    Light Ion Guide Light Ion Guide. Texas A&M University is currently configuring a scheme for the production of radioactive-ion beams that incorporates a light-ion guide (LIG) coupled with an ECRIS constructed for charge-boosting (CB-ECRIS). This scheme is part of an upgrade to the Cyclotron Institute and is intended to produce radioactive beams suitable for injection into the K500 superconducting cyclotron. The Light-Ion Guide (LIG) will produce radioactive species mainly from (p,n)

  17. Cyclotron Institute REU Program

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

    "Texas A&M Science - Labors of Lab." REU student Kassie Marble featured in TAMU College of Science Video The Texas A&M Cyclotron Institute, with support from the National Science Foundation, serves as a Research Experiences for Undergraduates site during the summer of each year. Alysssa Dibidad in the K150 control room. This REU site focuses on research in nuclear and particle science. Students will have the opportunity to work closely with internationally renowned scientists

  18. INSTITUTE COLLOQUIA AND SEMINARS

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

    4-March 31, 2005 2004 April 8 Dr. Jeffrey W. Martin, Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, California Ultracold Neutrons April 20 Professor J. W. Watson, Department of Physics, Kent State University, Kent, Ohio Short-range Correlations in Nuclei from (p,2p+n) and (e,e'p+N) Measurements May 10 Mr. Sean Liddick, NSCL- Michigan State University, East Lansing, Michigan The Evolution of Shell Structure in the A~60 Mass Region May 25 Dr. Juha Ärje, Department of

  19. Cyclotron Institute Upgrade Project

    SciTech Connect (OSTI)

    Clark, Henry; Yennello, Sherry; Tribble, Robert

    2014-08-26

    The Cyclotron Institute at Texas A&M University has upgraded its accelerator facilities to extend research capabilities with both stable and radioactive beams. The upgrade is divided into three major tasks: (1) re-commission the K-150 (88”) cyclotron, couple it to existing beam lines to provide intense stable beams into the K-500 experimental areas and use it as a driver to produce radioactive beams; (2) develop light ion and heavy ion guides for stopping radioactive ions created with the K-150 beams; and (3) transport 1+ ions from the ion guides into a charge-breeding electron-cyclotron-resonance ion source (CB-ECR) to produce highly-charged radioactive ions for acceleration in the K-500 cyclotron. When completed, the upgraded facility will provide high-quality re-accelerated secondary beams in a unique energy range in the world.

  20. Semiclassical S-matrix for black holes

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

    Bezrukov, Fedor; Levkov, Dmitry; Sibiryakov, Sergey

    2015-12-01

    In this study, we propose a semiclassical method to calculate S-matrix elements for two-stage gravitational transitions involving matter collapse into a black hole and evaporation of the latter. The method consistently incorporates back-reaction of the collapsing and emitted quanta on the metric. We illustrate the method in several toy models describing spherical self-gravitating shells in asymptotically flat and AdS space-times. We find that electrically neutral shells reflect via the above collapse-evaporation process with probability exp(–B), where B is the Bekenstein-Hawking entropy of the intermediate black hole. This is consistent with interpretation of exp(B) as the number of black hole states.more » The same expression for the probability is obtained in the case of charged shells if one takes into account instability of the Cauchy horizon of the intermediate Reissner-Nordström black hole. As a result, our semiclassical method opens a new systematic approach to the gravitational S-matrix in the non-perturbative regime.« less

  1. SLIM DISKS AROUND KERR BLACK HOLES REVISITED

    SciTech Connect (OSTI)

    Sadowski, Aleksander

    2009-08-01

    We investigate stationary slim accretion disks around Kerr black holes. We construct a new numerical method based on the relaxation technique. We systematically cover the whole parameter space relevant to stellar mass X-ray binaries. We also notice some non-monotonic features in the disk structure, overlooked in previous studies.

  2. Remote down-hole well telemetry

    DOE Patents [OSTI]

    Briles, Scott D.; Neagley, Daniel L.; Coates, Don M.; Freund, Samuel M.

    2004-07-20

    The present invention includes an apparatus and method for telemetry communication with oil-well monitoring and recording instruments located in the vicinity of the bottom of gas or oil recovery pipes. Such instruments are currently monitored using electrical cabling that is inserted into the pipes; cabling has a short life in this environment, and requires periodic replacement with the concomitant, costly shutdown of the well. Modulated reflectance, a wireless communication method that does not require signal transmission power from the telemetry package will provide a long-lived and reliable way to monitor down-hole conditions. Normal wireless technology is not practical since batteries and capacitors have to frequently be replaced or recharged, again with the well being removed from service. RF energy generated above ground can also be received, converted and stored down-hole without the use of wires, for actuating down-hole valves, as one example. Although modulated reflectance reduces or eliminates the loss of energy at the sensor package because energy is not consumed, during the transmission process, additional stored extra energy down-hole is needed.

  3. Optical orientation of holes in strained nanostructures

    SciTech Connect (OSTI)

    Averkiev, N. S.; Sablina, N. I.

    2008-03-15

    A theory describing the optical orientation and Hanle effect for holes in quantum wells or quantum dots based on cubic semiconductors is developed. It is demonstrated that the presence of internal or external strain in quantum-confinement heterostructures leads to the dependence of the Hanle effect on the orientation of the magnetic field with respect to the heterostructure growth axis.

  4. Photodriving Water Oxidation Catalysts: Extending Hole Lifetimes | ANSER

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

    Center | Argonne-Northwestern National Laboratory Photodriving Water Oxidation Catalysts: Extending Hole Lifetimes Home > Research > ANSER Research Highlights > Photodriving Water Oxidation Catalysts: Extending Hole Lifetimes

  5. V-193: Barracuda SSL VPN Input Validation Hole Permits Cross...

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

    3: Barracuda SSL VPN Input Validation Hole Permits Cross-Site Scripting Attacks V-193: Barracuda SSL VPN Input Validation Hole Permits Cross-Site Scripting Attacks July 5, 2013 -...

  6. Thermal Gradient Holes At Long Valley Caldera Geothermal Area...

    Open Energy Info (EERE)

    consisting of several holes including: The CH8-10 thermal-gradient holes drilled by the U.S. Geological Survey prior to 1978 to relatively shallow depths ranging from about 55 to...

  7. Thermal Gradient Holes At Chena Area (Erkan, Et. Al., 2008) ...

    Open Energy Info (EERE)

    Holes Activity Date Usefulness useful DOE-funding Unknown Notes MULTI-STAGE DRILLING Once a hole is drilled the natural-state pressure distribution with depth is essentially...

  8. Water telescope's first sky map shows flickering black holes

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

    Water telescope's first sky map shows flickering black holes Water telescope's first sky map shows flickering black holes The High Altitude Water Cherenkov observatory has released its first map of the sky, including the first measurements of how often black holes flicker on and off. It has also caught pulsars, supernova remnants, and other bizarre cosmic beasts. April 24, 2016 Water telescope's first sky map shows flickering black holes Three new sources of gamma rays spotted by HAWC. Credit:

  9. Gravitational waves found, black-hole models led the way

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

    Gravitational waves found, black-hole models led the way Gravitational waves found, black-hole models led the way Gravitational waves were predicted by Einstein's theory of general relativity in 1916, and now, almost exactly 100 years later, the faint ripples across space-time have been found. February 11, 2016 A simulation of two merging black holes, creating gravitational waves. Photo courtesy of LIGO. A simulation of two merging black holes, creating gravitational waves. Photo courtesy of

  10. Probing Core-Hole Localization in Molecular Nitrogen

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

    Probing Core-Hole Localization in Molecular Nitrogen Probing Core-Hole Localization in Molecular Nitrogen Print Wednesday, 25 February 2009 00:00 The behavior of the core hole created in molecular x-ray photoemission experiments has provided molecular scientists with a valuable window through which to probe the electronic structure and dynamics of molecules. But the answer to one fundamental quantum question-whether the core hole is localized or delocalized-has remained elusive for diatomic

  11. Integrative Bioengineering Institute

    SciTech Connect (OSTI)

    Eddington, David; Magin,L,Richard; Hetling, John; Cho, Michael

    2009-01-09

    Microfabrication enables many exciting experimental possibilities for medicine and biology that are not attainable through traditional methods. However, in order for microfabricated devices to have an impact they must not only provide a robust solution to a current unmet need, but also be simple enough to seamlessly integrate into standard protocols. Broad dissemination of bioMEMS has been stymied by the common aim of replacing established and well accepted protocols with equally or more complex devices, methods, or materials. The marriage of a complex, difficult to fabricate bioMEMS device with a highly variable biological system is rarely successful. Instead, the design philosophy of my lab aims to leverage a beneficial microscale phenomena (e.g. fast diffusion at the microscale) within a bioMEMS device and adapt to established methods (e.g. multiwell plate cell culture) and demonstrate a new paradigm for the field (adapt instead of replace). In order for the field of bioMEMS to mature beyond novel proof-of-concept demonstrations, researchers must focus on developing systems leveraging these phenomena and integrating into standard labs, which have largely been ignored. Towards this aim, the Integrative Bioengineering Institute has been established.

  12. Spectral hole burning studies of photosystem II

    SciTech Connect (OSTI)

    Chang, H.C.

    1995-11-01

    Low temperature absorption and hole burning spectroscopies were applied to the D1-D2-cyt b{sub 559} and the CP47 and CP43 antenna protein complexes of Photosystem H from higher plants. Low temperature transient and persistent hole-burning data and theoretical calculations on the kinetics and temperature dependence of the P680 hole profile are presented and provide convincing support for the linker model. Implicit in the linker model is that the 684-nm-absorbing Chl a serve to shuttle energy from the proximal antenna complex to reaction center. The stoichiometry of isolated Photosystem H Reaction Center (PSII RC) in several different preparations is also discussed. The additional Chl a are due to 684-nm-absorbing Chl a, some contamination by the CP47 complex, and non-native Chl a absorbing near 670 nm. In the CP47 protein complex, attention is focused on the lower energy chlorophyll a Q{sub y}-states. High pressure hole-burning studies of PSII RC revealed for the first time a strong pressure effect on the primary electron transfer dynamics. The 4.2 K lifetime of P680*, the primary donor state, increases from 2.0 ps to 7.0 ps as pressure increases from 0.1 to 267 MPa. Importantly, this effect is irreversible (plastic) while the pressure induced effect on the low temperature absorption and non-line narrowed P680 hole spectra are reversible (elastic). Nonadiabatic rate expressions, which take into account the distribution of energy gap values, are used to estimate the linear pressure shift of the acceptor state energy for both the superexchange and two-step mechanisms for primary charge separation. It was found that the pressure dependence could be explained with a linear pressure shift of {approximately} 1 cm{sup -1}/MPa in magnitude for the acceptor state. The results point to the marriage of hole burning and high pressures as having considerable potential for the study of primary transport dynamics in reaction centers and antenna complexes.

  13. Trumpet-puncture initial data for black holes

    SciTech Connect (OSTI)

    Immerman, Jason D.; Baumgarte, Thomas W.

    2009-09-15

    We propose a new approach, based on the puncture method, to construct black hole initial data in the so-called trumpet geometry, i.e. on slices that asymptote to a limiting surface of nonzero areal radius. Our approach is easy to implement numerically and, at least for nonspinning black holes, does not require any internal boundary conditions. We present numerical results, obtained with a uniform-grid finite-difference code, for boosted black holes and binary black holes. We also comment on generalizations of this method for spinning black holes.

  14. Los Alamos National Laboratory Institutes

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

    Los Alamos National Laboratory Institutes The National Security Education Center has formed several institutes, each with a partner university or consortia of universities. The formation of these institutes serves the need for LANL to recruit new staff and provide educational opportunities that will enhance retention at the Laboratory. This is accomplished by:  Developing long-term collaborative relationships with universities whose research interests are important to the Laboratory. 

  15. Izabela Stroe: Worcester Polytechnic Institute

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

    Izabela Stroe: Worcester Polytechnic Institute Alumni Link: Opportunities, News and Resources for Former Employees Latest Issue:September 2015 all issues All Issues » submit Izabela Stroe: Worcester Polytechnic Institute Former postdoc, now collaborator November 1, 2014 Izabela Stroe Izabela Stroe Contact Linda Anderman Email Izabela Stroe Izabela Stroe now at Worcester Polytechnic Institute Izabela Stroe's history with the Lab dates back to 2001 and over the years she's been a summer student,

  16. Slant hole completion test. Final report

    SciTech Connect (OSTI)

    Mann, R.L.

    1993-07-01

    One of the Department of Energy`s (DOE) Strategies and Objectives in the Natural Gas Program is to conduct activities to transfer technology from R&D programs to potential users. The Slant Hole Completion Test has achieved exactly this objective. The Slant Hole site is essentially the same as the Multiwell site and is located in the southeastern portion of the Piceance Basin near Rifle, Colorado. The Piceance Basin is typical of the Western low permeability basins that contain thick sequences of sands, silts and coals deposited during the Cretaceous period. These sequences contain vast amounts of natural gas but have proven to be resistant to commercial production because of the low permeability of the host rocks. Using the knowledge gained from the DOE`s earlier Multiwell experiment, the SHCT-1 was drilled to demonstrate that by intersecting the natural fractures found in these ``tight rocks,`` commercial gas production can be obtained.

  17. Astrophysical black holes in screened modified gravity

    SciTech Connect (OSTI)

    Davis, Anne-Christine; Jha, Rahul; Muir, Jessica; Gregory, Ruth E-mail: r.a.w.gregory@durham.ac.uk E-mail: jlmuir@umich.edu

    2014-08-01

    Chameleon, environmentally dependent dilaton, and symmetron gravity are three models of modified gravity in which the effects of the additional scalar degree of freedom are screened in dense environments. They have been extensively studied in laboratory, cosmological, and astrophysical contexts. In this paper, we present a preliminary investigation into whether additional constraints can be provided by studying these scalar fields around black holes. By looking at the properties of a static, spherically symmetric black hole, we find that the presence of a non-uniform matter distribution induces a non-constant scalar profile in chameleon and dilaton, but not necessarily symmetron gravity. An order of magnitude estimate shows that the effects of these profiles on in-falling test particles will be sub-leading compared to gravitational waves and hence observationally challenging to detect.

  18. Quasi-black holes: Definition and general properties

    SciTech Connect (OSTI)

    Lemos, Jose P. S.; Zaslavskii, Oleg B.

    2007-10-15

    Objects that are on the verge of being extremal black holes but actually are distinct in many ways are called quasi-black holes. Quasi-black holes are defined here and treated in a unified way by displaying their properties. Their main properties are as follows: (i) there are infinite redshift whole regions (ii) the spacetimes exhibit degenerate, almost singular, features but their curvature invariants remain perfectly regular everywhere (iii) in the limit under discussion, outer and inner regions become mutually impenetrable and disjoint, although, in contrast to the usual black holes, this separation is of a dynamical nature, rather than purely causal, and (iv) for external faraway observers the spacetime is virtually indistinguishable from that of extremal black holes. In addition, we show that quasi-black holes must be extremal. Connections with black hole and wormhole physics are also drawn.

  19. Phenomenological loop quantum geometry of the Schwarzschild black hole

    SciTech Connect (OSTI)

    Chiou, D.-W.

    2008-09-15

    The interior of a Schwarzschild black hole is investigated at the level of phenomenological dynamics with the discreteness corrections of loop quantum geometry implemented in two different improved quantization schemes. In one scheme, the classical black hole singularity is resolved by the quantum bounce, which bridges the black hole interior with a white hole interior. In the other scheme, the classical singularity is resolved and the event horizon is also diffused by the quantum bounce. Jumping over the quantum bounce, the black hole gives birth to a baby black hole with a much smaller mass. This lineage continues as each classical black hole brings forth its own descendant in the consecutive classical cycle, giving the whole extended spacetime fractal structure, until the solution eventually descends into the deep Planck regime, signaling a breakdown of the semiclassical description. The issues of scaling symmetry and no-hair theorem are also discussed.

  20. Atlanta Community Leaders’ Institute Conference

    Broader source: Energy.gov [DOE]

    The Atlanta Community Leaders Institute (CLI) held a conference on February 8 and 9 at Morehouse School of Medicine, in Atlanta, Georgia.

  1. Bolton Community Leaders’ Institute Conference

    Broader source: Energy.gov [DOE]

    The Bolton Community Leaders Institute (CLI) held a conference on February 22 and 23 at the Southeastern Community College in Whiteville, North Carolina.

  2. Institutional Change Basics for Sustainability

    Office of Energy Efficiency and Renewable Energy (EERE)

    Institutional change integrates technology, policy, and behavior to make new sustainability practices and perspectives become a typical part of how an agency operates.

  3. Continuous Change Institutional Change Principle

    Office of Energy Efficiency and Renewable Energy (EERE)

    ecause it takes time to establish institutional change, federal agencies need multiyear plans that continuously work to achieve, reinforce, and improve significant and persistent sustainability goals.

  4. Research and Institutional Integrity Office

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

    about any of these ethics policies and related procedures, please contact Meredith Montgomery, Director of Institutional Assurance and Integrity, at 510-486-4453 or...

  5. My Account | Critical Materials Institute

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

    My Account Primary tabs Log in(active tab) Request new password Username * Enter your Critical Materials Institute username. Password * Enter the password that accompanies your ...

  6. PNNL: About PNNL - Institutional Partnerships

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

    we engage at the institutional level, inviting them to provide input into the Laboratory strategy. Joint Appointments To enable long term strategic collaborations with...

  7. Form:Research Institution | Open Energy Information

    Open Energy Info (EERE)

    Research Institution Jump to: navigation, search Add a Research or Development Institution Input your research or development institution name below to add to the registry. If your...

  8. Low Carbon Research Institute | Open Energy Information

    Open Energy Info (EERE)

    Research Institute Jump to: navigation, search Logo: Low Carbon Research Institute Name: Low Carbon Research Institute Address: King Edward VII Avenue CF10 3NB Place: Cardiff,...

  9. Cornell Fuel Cell Institute | Open Energy Information

    Open Energy Info (EERE)

    Cornell Fuel Cell Institute Jump to: navigation, search Name: Cornell Fuel Cell Institute Place: Ithaca, New York Zip: 14850 Product: The Cornell Fuel Cell Institute (CFCI)...

  10. GHG Management Institute | Open Energy Information

    Open Energy Info (EERE)

    GHG Management Institute Jump to: navigation, search Name: GHG Management Institute Address: Greenhouse Gas Management Institute 9215 View Avenue NW Seattle, WA USA 98117 Place:...

  11. Hitachi Research Institute | Open Energy Information

    Open Energy Info (EERE)

    Institute Jump to: navigation, search Name: Hitachi Research Institute Place: Tokyo, Japan Zip: 101-8010 Product: Hitachi Research Institute is the think tank of the Hitachi...

  12. Rocky Mountain Institute | Open Energy Information

    Open Energy Info (EERE)

    Rocky Mountain Institute Jump to: navigation, search Logo: Rocky Mountain Institute Name: Rocky Mountain Institute Address: 1820 Folsom Street Place: Boulder, Colorado Zip: 80302...

  13. Industrial Technology Research Institute | Open Energy Information

    Open Energy Info (EERE)

    Technology Research Institute Jump to: navigation, search Logo: Industrial Technology Research Institute Name: Industrial Technology Research Institute Address: Rm. 112, Bldg. 24,...

  14. Sustainable Europe Research Institute | Open Energy Information

    Open Energy Info (EERE)

    Europe Research Institute Jump to: navigation, search Logo: Sustainable Europe Research Institute Name: Sustainable Europe Research Institute Address: Garnisongasse 721 A -1090...

  15. UC Berkeley- Energy Institute | Open Energy Information

    Open Energy Info (EERE)

    Berkeley- Energy Institute Jump to: navigation, search Logo: UC Berkeley- Energy Institute Name: UC Berkeley- Energy Institute Address: 2547 Channing Way Place: Berkeley,...

  16. Honda Research Institute | Open Energy Information

    Open Energy Info (EERE)

    search Name: Honda Research Institute Place: Mountain View, California Sector: Biofuels, Solar Product: California-based research institute of Honda. The institute conducts...

  17. Determine Institutional Change Sustainability Goals

    Office of Energy Efficiency and Renewable Energy (EERE)

    The first step in the institutional change process is defining your federal agency's sustainability goals. That is, decide what outcomes are desired (or required) over what period of time. Behavioral, organizational, and institutional changes typically are means to achieve desired energy, resource, or greenhouse gas emission outcomes. They are not ends in and of themselves.

  18. Denver University - International Institute for Environment and...

    Open Energy Info (EERE)

    - International Institute for Environment and Enterprise Name: Denver University - International Institute for Environment and Enterprise Address: 2199 S. University Blvd....

  19. Comprehensive Legacy Management and Institutional Controls Plan

    Office of Legacy Management (LM)

    Department of Energy Comprehensive Legacy Management and Institutional Controls Plan Doc. .........32 Comprehensive Legacy Management and Institutional Controls ...

  20. Gas Technology Institute (Partnership for Advanced Residential...

    Open Energy Info (EERE)

    Technology Institute (Partnership for Advanced Residential Retrofit) Jump to: navigation, search Name: Gas Technology Institute Place: Des Plaines, IL Website:...

  1. Manufacturing Innovation Institute for Smart Manufacturing: Advanced...

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

    Innovation Institute for Smart Manufacturing: Advanced Sensors, Controls, Platforms, and Modeling for Manufacturing Manufacturing Innovation Institute for Smart Manufacturing: ...

  2. Plumbing Manufacturer's Institute Ex Parte Communication Regarding...

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

    Plumbing Manufacturer's Institute Ex Parte Communication Regarding Showerheads Plumbing Manufacturer's Institute Ex Parte Communication Regarding Showerheads Letter to Department ...

  3. Comprehensive Legacy Management and Institutional Controls Plan

    Office of Legacy Management (LM)

    Department of Energy Comprehensive Legacy Management and Institutional Controls Plan Doc. .........49 Comprehensive Legacy Management and Institutional Controls ...

  4. Comprehensive Legacy Management and Institutional Controls Plan

    Office of Legacy Management (LM)

    Department of Energy Comprehensive Legacy Management and Institutional Controls Plan Doc. .........52 Comprehensive Legacy Management and Institutional Controls ...

  5. Comprehensive Legacy Management and Institutional Controls Plan

    Office of Legacy Management (LM)

    Department of Energy Comprehensive Legacy Management and Institutional Controls Plan Doc. .........34 Comprehensive Legacy Management and Institutional Controls ...

  6. Comprehensive Legacy Management and Institutional Controls Plan

    Office of Legacy Management (LM)

    Department of Energy Comprehensive Legacy Management and Institutional Controls Plan Doc. .........33 Comprehensive Legacy Management and Institutional Controls ...

  7. Clean Energy Manufacturing Innovation Institute for Composites...

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

    Clean Energy Manufacturing Innovation Institute for Composites Materials and Structures Clean Energy Manufacturing Innovation Institute for Composites Materials and Structures ...

  8. Performance Assessment Institute-NV

    SciTech Connect (OSTI)

    Lombardo, Joesph

    2012-12-31

    The National Supercomputing Center for Energy and the Environment’s intention is to purchase a multi-purpose computer cluster in support of the Performance Assessment Institute (PA Institute). The PA Institute will serve as a research consortium located in Las Vegas Nevada with membership that includes: national laboratories, universities, industry partners, and domestic and international governments. This center will provide a one-of-a-kind centralized facility for the accumulation of information for use by Institutions of Higher Learning, the U.S. Government, and Regulatory Agencies and approved users. This initiative will enhance and extend High Performance Computing (HPC) resources in Nevada to support critical national and international needs in "scientific confirmation". The PA Institute will be promoted as the leading Modeling, Learning and Research Center worldwide. The program proposes to utilize the existing supercomputing capabilities and alliances of the University of Nevada Las Vegas as a base, and to extend these resource and capabilities through a collaborative relationship with its membership. The PA Institute will provide an academic setting for interactive sharing, learning, mentoring and monitoring of multi-disciplinary performance assessment and performance confirmation information. The role of the PA Institute is to facilitate research, knowledge-increase, and knowledge-sharing among users.

  9. Study of the radon released from open drill holes

    SciTech Connect (OSTI)

    Pacer, J C

    1981-06-01

    The radon emanating from three open drill holes was measured at a site of known uranium mineralization in the Red Desert of south central Wyoming. The radon flux from the soil and drill holes was measured by the accumulator method with activated charcoal cartridges. The surface soil was found to release radon at an average rate of 0.41 atoms/cm/sup 2//sec; the radon emanating from the holes was more variable than that from the soil. The three holes studied released an average of 47 atoms/cm/sup 2//sec of radon. This average is equivalent to the radon released to the atmosphere by 14.5 ft/sup 2/ of soil. The data indicate that the radon emanated from an open drill hole is not as significant as other possible activities at a drill site (i.e. digging a trench or drilling a hole) or from household activities involving the usage of water.

  10. Articles which include chevron film cooling holes, and related processes

    DOE Patents [OSTI]

    Bunker, Ronald Scott; Lacy, Benjamin Paul

    2014-12-09

    An article is described, including an inner surface which can be exposed to a first fluid; an inlet; and an outer surface spaced from the inner surface, which can be exposed to a hotter second fluid. The article further includes at least one row or other pattern of passage holes. Each passage hole includes an inlet bore extending through the substrate from the inlet at the inner surface to a passage hole-exit proximate to the outer surface, with the inlet bore terminating in a chevron outlet adjacent the hole-exit. The chevron outlet includes a pair of wing troughs having a common surface region between them. The common surface region includes a valley which is adjacent the hole-exit; and a plateau adjacent the valley. The article can be an airfoil. Related methods for preparing the passage holes are also described.

  11. Multiscalar black holes with contingent primary hair: Mechanics and stability

    SciTech Connect (OSTI)

    Mignemi, Salvatore; Wiltshire, David L.

    2004-12-15

    We generalize a class of magnetically charged black holes nonminimally coupled to two scalar fields previously found by one of us to the case of multiple scalar fields. The black holes possess a novel type of primary scalar hair, which we call a contingent primary hair: although the solutions possess degrees of freedom which are not completely determined by the other charges of the theory, the charges necessarily vanish in the absence of the magnetic monopole. Only one constraint relates the black hole mass to the magnetic charge and scalar charges of the theory. We obtain a Smarr-type thermodynamic relation, and the first law of black hole thermodynamics for the system. We further explicitly show in the two-scalar-field case that, contrary to the case of many other hairy black holes, the black hole solutions are stable to radial perturbations.

  12. Method and apparatus of assessing down-hole drilling conditions

    DOE Patents [OSTI]

    Hall, David R.; Pixton, David S.; Johnson, Monte L.; Bartholomew, David B.; Fox, Joe

    2007-04-24

    A method and apparatus for use in assessing down-hole drilling conditions are disclosed. The apparatus includes a drill string, a plurality of sensors, a computing device, and a down-hole network. The sensors are distributed along the length of the drill string and are capable of sensing localized down-hole conditions while drilling. The computing device is coupled to at least one sensor of the plurality of sensors. The data is transmitted from the sensors to the computing device over the down-hole network. The computing device analyzes data output by the sensors and representative of the sensed localized conditions to assess the down-hole drilling conditions. The method includes sensing localized drilling conditions at a plurality of points distributed along the length of a drill string during drilling operations; transmitting data representative of the sensed localized conditions to a predetermined location; and analyzing the transmitted data to assess the down-hole drilling conditions.

  13. Institutional computing (IC) information session

    SciTech Connect (OSTI)

    Koch, Kenneth R; Lally, Bryan R

    2011-01-19

    The LANL Institutional Computing Program (IC) will host an information session about the current state of unclassified Institutional Computing at Los Alamos, exciting plans for the future, and the current call for proposals for science and engineering projects requiring computing. Program representatives will give short presentations and field questions about the call for proposals and future planned machines, and discuss technical support available to existing and future projects. Los Alamos has started making a serious institutional investment in open computing available to our science projects, and that investment is expected to increase even more.

  14. Down-hole periodic seismic generator

    DOE Patents [OSTI]

    Hardee, H.C.; Hills, R.G.; Striker, R.P.

    1982-10-28

    A down hole periodic seismic generator system is disclosed for transmitting variable frequency, predominantly shear-wave vibration into earth strata surrounding a borehole. The system comprises a unitary housing operably connected to a well head by support and electrical cabling and contains clamping apparatus for selectively clamping the housing to the walls of the borehole. The system further comprises a variable speed pneumatic oscillator and a self-contained pneumatic reservoir for producing a frequency-swept seismic output over a discrete frequency range.

  15. Acoustic analogues of black hole singularities

    SciTech Connect (OSTI)

    Cadoni, Mariano; Mignemi, Salvatore

    2005-10-15

    We search for acoustic analogues of a spherical symmetric black hole with a pointlike source. We show that the gravitational system has a dynamical counterpart in the constrained, steady motion of a fluid with a planar source. The equations governing the dynamics of the gravitational system can be exactly mapped in those governing the motion of the fluid. The different meaning that singularities and sources have in fluid dynamics and in general relativity is also discussed. Whereas in the latter a pointlike source is always associated with a (curvature) singularity in the former the presence of sources does not necessarily imply divergences of the fields.

  16. Optoelectronic device with nanoparticle embedded hole injection/transport layer

    DOE Patents [OSTI]

    Wang, Qingwu; Li, Wenguang; Jiang, Hua

    2012-01-03

    An optoelectronic device is disclosed that can function as an emitter of optical radiation, such as a light-emitting diode (LED), or as a photovoltaic (PV) device that can be used to convert optical radiation into electrical current, such as a photovoltaic solar cell. The optoelectronic device comprises an anode, a hole injection/transport layer, an active layer, and a cathode, where the hole injection/transport layer includes transparent conductive nanoparticles in a hole transport material.

  17. Probing Core-Hole Localization in Molecular Nitrogen

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

    Probing Core-Hole Localization in Molecular Nitrogen Print The behavior of the core hole created in molecular x-ray photoemission experiments has provided molecular scientists with a valuable window through which to probe the electronic structure and dynamics of molecules. But the answer to one fundamental quantum question-whether the core hole is localized or delocalized-has remained elusive for diatomic molecules in which both atoms are the same element. An international team of scientists

  18. Ultrafast Core-Hole Induced Dynamics in Water

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

    Ultrafast Core-Hole Induced Dynamics in Water Ultrafast Core-Hole Induced Dynamics in Water Print Wednesday, 22 February 2006 00:00 A thorough understanding of the chemical processes that are initiated when radiation interacts with aqueous systems is essential for many diverse fields, from condensed matter physics to medicine to environmental science. An incoming photon with enough energy to produce a core hole in a water molecule sets off motions that can affect bonding configurations, which in

  19. Probing Core-Hole Localization in Molecular Nitrogen

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

    Probing Core-Hole Localization in Molecular Nitrogen Print The behavior of the core hole created in molecular x-ray photoemission experiments has provided molecular scientists with a valuable window through which to probe the electronic structure and dynamics of molecules. But the answer to one fundamental quantum question-whether the core hole is localized or delocalized-has remained elusive for diatomic molecules in which both atoms are the same element. An international team of scientists

  20. Probing Core-Hole Localization in Molecular Nitrogen

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

    Probing Core-Hole Localization in Molecular Nitrogen Print The behavior of the core hole created in molecular x-ray photoemission experiments has provided molecular scientists with a valuable window through which to probe the electronic structure and dynamics of molecules. But the answer to one fundamental quantum question-whether the core hole is localized or delocalized-has remained elusive for diatomic molecules in which both atoms are the same element. An international team of scientists

  1. Probing Core-Hole Localization in Molecular Nitrogen

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

    Probing Core-Hole Localization in Molecular Nitrogen Print The behavior of the core hole created in molecular x-ray photoemission experiments has provided molecular scientists with a valuable window through which to probe the electronic structure and dynamics of molecules. But the answer to one fundamental quantum question-whether the core hole is localized or delocalized-has remained elusive for diatomic molecules in which both atoms are the same element. An international team of scientists

  2. Searching for tiny black holes during cold fusion

    SciTech Connect (OSTI)

    Matsumoto, T. . Dept. of Nuclear Engineering)

    1992-09-01

    A previous technical note suggests that cold fusion is a small-scale simulation of events that occur in cold stars far-away in the universe. Therefore, it is expected that tiny black holes might be produced during cold fusion. In this paper, a search for tiny black holes whose traces might have been recorded on nuclear emulsions is described. Several traces suggesting the production and evaporation of tiny black holes have been successfully observed.

  3. Seminars and Colloquia - Cyclotron Institute

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

    Seminars and Colloquia Unless otherwise noted all seminars and colloquia are held in the Cyclotron Building (#434) Conference Room (RM #228) Cyclotron Colloquium for Wednesday August 17th, 2016 at 3:45 PM Pre-equilibrium emission and its possible relation to alpha-clustering in nuclei Dr. Justin Mabiala Cyclotron Colloquium for Tuesday August 2nd, 2016 at 3:45 PM Damping of High-Energy Charge-Exchange Monopole Excitations in Medium-Heavy Mass Spherical Nuclei: Implementation of Particle-Hole

  4. Multiple Motivations Institutional Change Principle

    Office of Energy Efficiency and Renewable Energy (EERE)

    The multiple motivations principle suggests that a portfolio approach—rather than a single strategy—may be required to achieve change. Research demonstrates that people and institutions adopt new...

  5. Core Holes At Blue Mountain Geothermal Area (Fairbank & Niggemann...

    Open Energy Info (EERE)

    Activity Details Location Blue Mountain Geothermal Area Exploration Technique Core Holes Activity Date 2002 - 2004 Usefulness useful DOE-funding Unknown Exploration Basis Cores...

  6. Thermal Gradient Holes At Long Valley Caldera Geothermal Area...

    Open Energy Info (EERE)

    Long Valley Caldera Geothermal Area (Conservation, 2009) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Long Valley...

  7. Thermal Gradient Holes At San Emidio Desert Area (DOE GTP) |...

    Open Energy Info (EERE)

    San Emidio Desert Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At San Emidio Desert Area (DOE GTP)...

  8. Two Electron Holes in Hematite Facilitate Water Splitting

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

    Two Electron Holes in Hematite Facilitate Water Splitting Print Hydrogen is an attractive form of fuel because its only by-product is nonpolluting water vapor. The problem,...

  9. Thermal Gradient Holes At Pilgrim Hot Springs Area (DOE GTP)...

    Open Energy Info (EERE)

    Pilgrim Hot Springs Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Pilgrim Hot Springs Area (DOE GTP)...

  10. Thermal Gradient Holes At Blue Mountain Geothermal Area (Fairbank...

    Open Energy Info (EERE)

    Exploration Basis Thermal gradient holes were drilled in an effort to determine the feasibility of commercial geothermal energy generation at Blue Mountain Notes Ten temperature...

  11. Slim Holes At International Geothermal Area, Japan (Combs, Et...

    Open Energy Info (EERE)

    International Geothermal Area, Japan (Combs, Et Al., 1999) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At International Geothermal...

  12. Core Holes At Steamboat Springs Area (Warpinski, Et Al., 2004...

    Open Energy Info (EERE)

    2004) Exploration Activity Details Location Steamboat Springs Area Exploration Technique Core Holes Activity Date Usefulness not indicated DOE-funding Unknown Notes Update to...

  13. Core Holes At Long Valley Caldera Geothermal Area (Benoit, 1984...

    Open Energy Info (EERE)

    Exploration Basis Several core holes were also drilled in the caldera's west moat by Phillips Petroleum Company in 1982, including: PLV-1, drilled to approximately 711 m depth...

  14. Slim Holes At Blue Mountain Area (Warpinski, Et Al., 2002) |...

    Open Energy Info (EERE)

    navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Blue Mountain Area (Warpinski, Et Al., 2002) Exploration Activity Details Location Blue...

  15. Slim Holes At Reese River Area (Henkle & Ronne, 2008) | Open...

    Open Energy Info (EERE)

    Technique Slim Holes Activity Date Usefulness useful DOE-funding Unknown Notes Well RR 56-4, was not successful in intersecting an exploitable geothermal resource. However, the...

  16. Thermal Gradient Holes At Hawthorne Area (Lazaro, Et Al., 2010...

    Open Energy Info (EERE)

    Unknown Notes The Navy recently completed a temperature gradient hole (TGH) drilling campaign. Results suggest multiple resources may exist on HAD lands. To further define the...

  17. Thermal Gradient Holes At Cove Fort Area - Vapor (Warpinski,...

    Open Energy Info (EERE)

    Gradient Holes Activity Date Usefulness not indicated DOE-funding Unknown Notes Update to Warpinski, et al., 2002 References N. R. Warpinski, A. R. Sattler, R. Fortuna, D....

  18. Thermal Gradient Holes At Cove Fort Area (Warpinski, Et Al.,...

    Open Energy Info (EERE)

    Gradient Holes Activity Date Usefulness not indicated DOE-funding Unknown Notes Update to Warpinski, et al., 2002 References N. R. Warpinski, A. R. Sattler, R. Fortuna, D....

  19. Slim Holes At Steamboat Springs Area (Warpinski, Et Al., 2004...

    Open Energy Info (EERE)

    Technique Slim Holes Activity Date Usefulness useful DOE-funding Unknown Notes Update to Warpinski, et al., 2002 References N. R. Warpinski, A. R. Sattler, R. Fortuna, D....

  20. Slim Holes At Alum Area (DOE GTP) | Open Energy Information

    Open Energy Info (EERE)

    Alum Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Alum Area (DOE GTP) Exploration Activity Details Location Alum...

  1. Slim Holes At Maui Area (DOE GTP) | Open Energy Information

    Open Energy Info (EERE)

    Maui Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Maui Area (DOE GTP) Exploration Activity Details Location Maui...

  2. Thermal Gradient Holes At Newberry Caldera Area (DOE GTP) | Open...

    Open Energy Info (EERE)

    Newberry Caldera Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Newberry Caldera Area (DOE GTP)...

  3. Thermal Gradient Holes At Flint Geothermal Area (DOE GTP) | Open...

    Open Energy Info (EERE)

    Flint Geothermal Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Flint Geothermal Area (DOE GTP)...

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

    Open Energy Info (EERE)

    (1993) Heat Flow From Four New Research Drill Holes In The Western Cascades, Oregon, Usa Additional References Retrieved from "http:en.openei.orgwindex.php?titleThermalGr...

  5. Thermal Gradient Holes At North Brawley Geothermal Area (Edmunds...

    Open Energy Info (EERE)

    Edmunds & W., 1977) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At North Brawley Geothermal Area (Edmunds & W., 1977)...

  6. Thermal Gradient Holes At Mcgee Mountain Area (DOE GTP) | Open...

    Open Energy Info (EERE)

    Mcgee Mountain Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Mcgee Mountain Area (DOE GTP) Exploration...

  7. Thermal Gradient Holes At Tungsten Mountain Area (Shevenell,...

    Open Energy Info (EERE)

    Holes Activity Date Usefulness useful DOE-funding Unknown Notes Collaboration with the gold mining industry has brought two new geothermal discoveries to the attention of the...

  8. Thermal Gradient Holes At Spencer Hot Springs Area (Shevenell...

    Open Energy Info (EERE)

    Holes Activity Date Usefulness useful DOE-funding Unknown Notes Collaboration with the gold mining industry has brought two new geothermal discoveries to the attention of the...

  9. Black Hole Remnants in the Early Universe (Journal Article) ...

    Office of Scientific and Technical Information (OSTI)

    Title: Black Hole Remnants in the Early Universe Authors: Scardigli, Fabio ; Gruber, Christine ; Taiwan, Natl. Taiwan U. ; Chen, Pisin ; Taiwan, Natl. Taiwan U. KIPAC, Menlo ...

  10. Thermal Gradient Holes At Chocolate Mountains Area (Alm, Et Al...

    Open Energy Info (EERE)

    Thermal Gradient Holes Activity Date Usefulness useful DOE-funding Unknown Notes "Shallow temperature gradient drilling began at the CMAGR in January of 2010. 13 temperature...

  11. Raft River Geothermal Exploratory Hole No. 1 (RRGE-1). Completion...

    Open Energy Info (EERE)

    report Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: Raft River Geothermal Exploratory Hole No. 1 (RRGE-1). Completion report Abstract GEOTHERMAL...

  12. Temperature, heat flow maps and temperature gradient holes |...

    Open Energy Info (EERE)

    to library Report: Temperature, heat flow maps and temperature gradient holes Author T. G. Zacharakis Organization Colorado Geological Survey in Cooperation with the U.S....

  13. SEARCH FOR SUPERMASSIVE BLACK HOLE BINARIES IN THE SLOAN DIGITAL...

    Office of Scientific and Technical Information (OSTI)

    THE SLOAN DIGITAL SKY SURVEY SPECTROSCOPIC SAMPLE Citation Details In-Document Search Title: SEARCH FOR SUPERMASSIVE BLACK HOLE BINARIES IN THE SLOAN DIGITAL SKY SURVEY ...

  14. Thermal Gradient Holes At Kilauea Summit Area (Keller, Et Al...

    Open Energy Info (EERE)

    L. Trowbridge Grose, John C. Murray, Catherine K. Skokan (1979) Results Of An Experimental Drill Hole At The Summit Of Kilauea Volcano, Hawaii Additional References Retrieved...

  15. Thermal Gradient Holes At Mccoy Geothermal Area (DOE GTP) | Open...

    Open Energy Info (EERE)

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Mccoy Geothermal Area (DOE GTP) Exploration Activity Details...

  16. Thermal Gradient Holes At Hot Springs Ranch Area (Szybinski,...

    Open Energy Info (EERE)

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Hot Springs Ranch Area (Szybinski, 2006) Exploration Activity...

  17. Thermal Gradient Holes At Lightning Dock Area (Warpinski, Et...

    Open Energy Info (EERE)

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Lightning Dock Area (Warpinski, Et Al., 2004) Exploration Activity...

  18. Thermal Gradient Holes At Kilauea East Rift Geothermal Area ...

    Open Energy Info (EERE)

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Kilauea East Rift Geothermal Area (Thomas, 1986) Exploration...

  19. Thermal Gradient Holes At Mt Princeton Hot Springs Geothermal...

    Open Energy Info (EERE)

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Mt Princeton Hot Springs Geothermal Area (Held & Henderson, 2012)...

  20. Thermal Gradient Holes At Glass Mountain Area (Cumming And Mackie...

    Open Energy Info (EERE)

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Glass Mountain Area (Cumming And Mackie, 2007) Exploration Activity...

  1. Thermal Gradient Holes At Crump's Hot Springs Area (DOE GTP)...

    Open Energy Info (EERE)

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Crump's Hot Springs Area (DOE GTP) Exploration Activity Details...

  2. Core Holes At Valles Caldera - Sulphur Springs Geothermal Area...

    Open Energy Info (EERE)

    Goff, Et Al., 1987) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Core Holes At Valles Caldera - Sulphur Springs Geothermal Area (Goff, Et Al.,...

  3. Temporal Characterization of Hydrates System Dynamics beneath Seafloor Mounds. Integrating Time-Lapse Electrical Resistivity Methods and In Situ Observations of Multiple Oceanographic Parameters

    SciTech Connect (OSTI)

    Lutken, Carol; Macelloni, Leonardo; D'Emidio, Marco; Dunbar, John; Higley, Paul

    2015-01-31

    This study was designed to investigate temporal variations in hydrate system dynamics by measuring changes in volumes of hydrate beneath hydrate-bearing mounds on the continental slope of the northern Gulf of Mexico, the landward extreme of hydrate occurrence in this region. Direct Current Resistivity (DCR) measurements were made contemporaneously with measurements of oceanographic parameters at Woolsey Mound, a carbonate-hydrate complex on the mid-continental slope, where formation and dissociation of hydrates are most vulnerable to variations in oceanographic parameters affected by climate change, and where changes in hydrate stability can readily translate to loss of seafloor stability, impacts to benthic ecosystems, and venting of greenhouse gases to the water-column, and eventually, the atmosphere. We focused our study on hydrate within seafloor mounds because the structurally-focused methane flux at these sites likely causes hydrate formation and dissociation processes to occur at higher rates than at sites where the methane flux is less concentrated and we wanted to maximize our chances of witnessing association/dissociation of hydrates. We selected a particularly well-studied hydrate-bearing seafloor mound near the landward extent of the hydrate stability zone, Woolsey Mound (MC118). This mid-slope site has been studied extensively and the project was able to leverage considerable resources from the team’s research experience at MC118. The site exhibits seafloor features associated with gas expulsion, hydrates have been documented at the seafloor, and changes in the outcropping hydrates have been documented, photographically, to have occurred over a period of months. We conducted observatory-based, in situ measurements to 1) characterize, geophysically, the sub-bottom distribution of hydrate and its temporal variability, and 2) contemporaneously record relevant environmental parameters (temperature, pressure, salinity, turbidity, bottom currents) to

  4. Institutional Support | Grid Modernization | NREL

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

    Administration | (NNSA) Institutional Research & Development Functions The Office of Advanced Simulation and Computing and Institutional R&D, a program office part of the NNSA Office of Defense Programs, advocates for and manages NNSA's Laboratory Directed Research and Development (LDRD) and Site Directed Research and Development (SDRD) Programs, with SDRD work performed at the Nevada National Security Site (NNSS). This includes providing strategic R&D guidance and support,

  5. Latest News | Critical Materials Institute

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

    News News releases CMI in the news News archive CMI social media Latest News News about CMI: Critical Materials Institute, Oddello Industries pursue recovery of rare-earth magnets from used hard drives, August 16, 2016 Solar panels power materials exhibit at Geology Museum, August 2, 2016 New alloy promises to boost rare earth production while improving energy efficiency of engines, June 3, 2016 Critical Materials Institute gains ten industrial and research affiliates, April 11, 2016 On

  6. Hydraulic Institute Mission and Vision:

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

    Institute Mission and Vision: Vision: To be a global authority on pumps and pumping systems. Mission: To be a value-adding resource to member companies and pump users worldwide by: * Developing and delivering comprehensive industry standards. * Expanding knowledge by providing education and tools for the effective application, testing, installation, operation and maintenance of pumps and pumping systems. * Serving as a forum for the exchange of industry information. The Hydraulic Institute is a

  7. Institutional Change for Sustainability | Department of Energy

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

    Institutional Change » Institutional Change for Sustainability Institutional Change for Sustainability Inspire Change with an Awards Program Inspire Change with an Awards Program Report shares 22 stories of FEMP Federal Energy and Water Management Award winners whose projects fostered institutional change in agencies. Read more Promote Institutional Change Promote Institutional Change This magazine article provides practical, evidence-based strategies to promote institutional change. Read more

  8. Black holes can have curly hair

    SciTech Connect (OSTI)

    Bronnikov, K. A.; Zaslavskii, O. B.

    2008-07-15

    We study equilibrium conditions between a static, spherically symmetric black hole and classical matter in terms of the radial pressure to density ratio p{sub r}/{rho}=w(u), where u is the radial coordinate. It is shown that such an equilibrium is possible in two cases: (i) the well-known case w{yields}-1 as u{yields}u{sub h} (the horizon), i.e., 'vacuum' matter, for which {rho}(u{sub h}) can be nonzero; (ii) w{yields}-1/(1+2k) and {rho}{approx}(u-u{sub h}){sup k} as u{yields}u{sub h}, where k>0 is a positive integer (w=-1/3 in the generic case k=1). A noninteracting mixture of these two kinds of matter can also exist. The whole reasoning is local, hence the results do not depend on any global or asymptotic conditions. They mean, in particular, that a static black hole cannot live inside a star with nonnegative pressure and density. As an example, an exact solution for an isotropic fluid with w=-1/3 (that is, a fluid of disordered cosmic strings), with or without vacuum matter, is presented.

  9. Hole-thru-laminate mounting supports for photovoltaic modules

    DOE Patents [OSTI]

    Wexler, Jason; Botkin, Jonathan; Culligan, Matthew; Detrick, Adam

    2015-02-17

    A mounting support for a photovoltaic module is described. The mounting support includes a pedestal having a surface adaptable to receive a flat side of a photovoltaic module laminate. A hole is disposed in the pedestal, the hole adaptable to receive a bolt or a pin used to couple the pedestal to the flat side of the photovoltaic module laminate.

  10. Institutional

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

    Expand Utility Resources News & Events Expand News & Events Skip navigation links Marketing Resources Reports, Publications, and Research Agricultural Commercial Consumer...

  11. Modeling the black hole excision problem

    SciTech Connect (OSTI)

    Szilagyi, B.; Winicour, J.; Kreiss, H.-O.

    2005-05-15

    We analyze the excision strategy for simulating black holes. The problem is modeled by the propagation of quasilinear waves in a 1-dimensional spatial region with timelike outer boundary, spacelike inner boundary and a horizon in between. Proofs of well-posed evolution and boundary algorithms for a second differential order treatment of the system are given for the separate pieces underlying the finite-difference problem. These are implemented in a numerical code which gives accurate long term simulations of the quasilinear excision problem. Excitation of long wavelength exponential modes, which are latent in the problem, are suppressed using conservation laws for the discretized system. The techniques are designed to apply directly to recent codes for the Einstein equations based upon the harmonic formulation.

  12. Charged black holes in generalized teleparallel gravity

    SciTech Connect (OSTI)

    Rodrigues, M.E.; Houndjo, M.J.S.; Tossa, J.; Momeni, D.; Myrzakulov, R. E-mail: sthoundjo@yahoo.fr E-mail: d.momeni@yahoo.com

    2013-11-01

    In this paper we investigate charged static black holes in 4D for generalized teleparallel models of gravity, based on torsion as the geometric object for describing gravity according to the equivalence principle. As a motivated idea, we introduce a set of non-diagonal tetrads and derive the full system of non linear differential equations. We prove that the common Schwarzschild gauge is applicable only when we study linear f(T) case. We reobtain the Reissner-Nordstrom-de Sitter (or RN-AdS) solution for the linear case of f(T) and perform a parametric cosmological reconstruction for two nonlinear models. We also study in detail a type of the no-go theorem in the framework of this modified teleparallel gravity.

  13. Interface-induced heavy-hole/light-hole splitting of acceptors in silicon

    SciTech Connect (OSTI)

    Mol, J. A.; Salfi, J.; Simmons, M. Y.; Rogge, S.; Rahman, R.; Hsueh, Y.; Klimeck, G.; Miwa, J. A.

    2015-05-18

    The energy spectrum of spin-orbit coupled states of individual sub-surface boron acceptor dopants in silicon have been investigated using scanning tunneling spectroscopy at cryogenic temperatures. The spatially resolved tunnel spectra show two resonances, which we ascribe to the heavy- and light-hole Kramers doublets. This type of broken degeneracy has recently been argued to be advantageous for the lifetime of acceptor-based qubits [R. Ruskov and C. Tahan, Phys. Rev. B 88, 064308 (2013)]. The depth dependent energy splitting between the heavy- and light-hole Kramers doublets is consistent with tight binding calculations, and is in excess of 1?meV for all acceptors within the experimentally accessible depth range (<2?nm from the surface). These results will aid the development of tunable acceptor-based qubits in silicon with long coherence times and the possibility for electrical manipulation.

  14. Category:Academic Institutions | Open Energy Information

    Open Energy Info (EERE)

    title"Alternative Energy Institute">Alternative Energy Institute","title":"Alternative Energy Institute","link":null,"lat":34.9848017,"lon":-101.9100121,"alt":0,"add...

  15. The Petascale Data Storage Institute

    SciTech Connect (OSTI)

    Gibson, Garth; Long, Darrell; Honeyman, Peter; Grider, Gary; Kramer, William; Shalf, John; Roth, Philip; Felix, Evan; Ward, Lee

    2013-07-01

    Petascale computing infrastructures for scientific discovery make petascale demands on information storage capacity, performance, concurrency, reliability, availability, and manageability.The Petascale Data Storage Institute focuses on the data storage problems found in petascale scientific computing environments, with special attention to community issues such as interoperability, community buy-in, and shared tools.The Petascale Data Storage Institute is a collaboration between researchers at Carnegie Mellon University, National Energy Research Scientific Computing Center, Pacific Northwest National Laboratory, Oak Ridge National Laboratory, Sandia National Laboratory, Los Alamos National Laboratory, University of Michigan, and the University of California at Santa Cruz.

  16. Institute for Energy Research | Open Energy Information

    Open Energy Info (EERE)

    Energy Research Jump to: navigation, search Logo: Institute for Energy Research Name: Institute for Energy Research Address: 1415 S. Voss Rd. Place: Houston, Texas Zip: 77057...

  17. Shaoxing Jinggong Mechanical and Electrical Research Institute...

    Open Energy Info (EERE)

    Shaoxing Jinggong Mechanical and Electrical Research Institute Company SJMERI Jump to: navigation, search Name: Shaoxing Jinggong Mechanical and Electrical Research Institute...

  18. EMei Semiconductor Materials Plant Research Institute | Open...

    Open Energy Info (EERE)

    EMei Semiconductor Materials Plant Research Institute Jump to: navigation, search Name: EMei Semiconductor Materials Plant & Research Institute Place: Emei, Sichuan Province, China...

  19. Electronics and Telecommunications Research Institute ETRI |...

    Open Energy Info (EERE)

    and Telecommunications Research Institute ETRI Jump to: navigation, search Name: Electronics and Telecommunications Research Institute (ETRI) Place: Daejeon, Korea (Republic) Zip:...

  20. National Environmental Research Institute | Open Energy Information

    Open Energy Info (EERE)

    Research Institute Jump to: navigation, search Name: National Environmental Research Institute Address: Box. 358 Frederiksborgvej 399 DK 4000 Place: Roskilde, Denmark Phone Number:...

  1. Stockholm Environment Institute (SEI) | Open Energy Information

    Open Energy Info (EERE)

    The Stockholm Environment Institute, located in Stockholm, Sweden, is an independent international research institute. The SEI is dedicated to bringing scientific insights to...

  2. Finnish Meteorological Institute Doppler Lidar (Dataset) | Data...

    Office of Scientific and Technical Information (OSTI)

    Finnish Meteorological Institute Doppler Lidar Title: Finnish Meteorological Institute Doppler Lidar This doppler lidar system provides co-polar and cross polar attenuated ...

  3. Demand Management Institute (DMI) | Open Energy Information

    Open Energy Info (EERE)

    Demand Management Institute (DMI) Jump to: navigation, search Name: Demand Management Institute (DMI) Address: 35 Walnut Street Place: Wellesley, Massachusetts Zip: 02481 Region:...

  4. Tokyo Institute of Technology | Open Energy Information

    Open Energy Info (EERE)

    Jump to: navigation, search Name: Tokyo Institute of Technology Place: Tokyo, Tokyo, Japan Zip: 152-8550 Product: The Tokyo Institute of Technology runs collaboration programmes...

  5. Institute of Geophysics, Planetary Physics, and Signatures

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

    Institute of Geophysics, Planetary Physics, and Signatures Institute of Geophysics, Planetary Physics, and Signatures Promoting and supporting high-quality, cutting-edge science in...

  6. Officials Establish Training Institute, Creating Enterprise Solution...

    Office of Environmental Management (EM)

    Officials Establish Training Institute, Creating Enterprise Solution for Worker Safety Officials Establish Training Institute, Creating Enterprise Solution for Worker Safety March ...

  7. International Institute for Sustainable Development (IISD) |...

    Open Energy Info (EERE)

    by working collaboratively with other institutions -building long term strategic alliances, while retaining the institutional agility necessary to confront the challenges of...

  8. NREL: Energy Executive Leadership Academy - Leadership Institute

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

    Leadership Institute Participants in NREL's Executive Energy Leadership Institute learn about renewable energy and energy efficiency from the experts through this accelerated...

  9. Alternative Energy Institute | Open Energy Information

    Open Energy Info (EERE)

    Alternative Energy Institute Name: Alternative Energy Institute Address: 2402 russell long blvd Place: Canyon, Texas Zip: 79016 Region: Texas Area Number of Employees: 11-50 Year...

  10. Category:Public Institutions | Open Energy Information

    Open Energy Info (EERE)

    :,"polygons":,"circles":,"rectangles":,"locations":"text":"Institute" title"Alternative Energy Institute">Alternative Energy...

  11. Social Empowerment Institutional Change Principle | Department...

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

    Empowerment Institutional Change Principle Social Empowerment Institutional Change Principle By creating a context in which workers feel empowered to take action, federal agencies ...

  12. Renewable Energy Institute International | Open Energy Information

    Open Energy Info (EERE)

    International Jump to: navigation, search Logo: Renewable Energy Institute International Name: Renewable Energy Institute International Address: 5022 Bailey Loop Place: McClellan,...

  13. Institutional Change Process for Sustainability | Department...

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

    Process for Sustainability Institutional Change Process for Sustainability For establishing institutional change in a federal agency to achieve sustainability or other energy ...

  14. Institute for Environmental Solutions | Open Energy Information

    Open Energy Info (EERE)

    Environmental Solutions Jump to: navigation, search Logo: Institute for Environmental Solutions Name: Institute for Environmental Solutions Address: 761 Newport St. Place: Denver,...

  15. Solar Living Institute | Open Energy Information

    Open Energy Info (EERE)

    Living Institute Jump to: navigation, search Name: Solar Living Institute Address: 13771 S. Hwy. 101 Place: Hopland, California Zip: 95449 Region: Bay Area Website:...

  16. Comprehensive Legacy Management and Institutional Controls Plan

    Office of Legacy Management (LM)

    Department of Energy Comprehensive Legacy Management and Institutional Controls Plan Doc. ... Appendix A Contact List Comprehensive Legacy Management and Institutional Controls ...

  17. Comprehensive Legacy Management and Institutional Controls Plan

    Office of Legacy Management (LM)

    Preserve, Fernald, Ohio Comprehensive Legacy Management and Institutional Controls Plan ... blank LMSFERS03496-9.0 Comprehensive Legacy Management and Institutional Controls ...

  18. Victoria Transport Policy Institute | Open Energy Information

    Open Energy Info (EERE)

    Transport Policy Institute Jump to: navigation, search Name: Victoria Transport Policy Institute Address: 1250 Rudlin Street, Place: Victoria, British Columbia Website:...

  19. Hahn Meitner Institute | Open Energy Information

    Open Energy Info (EERE)

    Meitner Institute Jump to: navigation, search Name: Hahn-Meitner-Institute Place: Berlin, Germany Zip: 14109 Product: Berlin-based, scientific research centre. Coordinates:...

  20. Energy Biosciences Institute EBI | Open Energy Information

    Open Energy Info (EERE)

    EBI Jump to: navigation, search Name: Energy Biosciences Institute (EBI) Place: Berkeley, California Zip: 94720 Sector: Biofuels Product: US-based research institution...

  1. Australian Solar Institute | Open Energy Information

    Open Energy Info (EERE)

    search Name: Australian Solar Institute Place: Newcastle, New South Wales, Australia Zip: 2300 Sector: Solar Product: New South Wales-based institute providing support...

  2. Edison Welding Institute | Open Energy Information

    Open Energy Info (EERE)

    Welding Institute Jump to: navigation, search Name: Edison Welding Institute Address: 1250 Arthur E. Adams Drive Place: Columbus, Ohio Zip: 43221-3585 Sector: Efficiency, Services...

  3. Paul Scherrer Institut | Open Energy Information

    Open Energy Info (EERE)

    Paul Scherrer Institut Jump to: navigation, search Name: Paul Scherrer Institut Place: Aargau, Villigen Zip: 5232 Number of Employees: 1001-5000 Website: www.psi.ch Coordinates:...

  4. Global Climate Change Institute | Open Energy Information

    Open Energy Info (EERE)

    Change Institute Jump to: navigation, search Name: Global Climate Change Institute Place: Tsinghua University, Beijing Municipality, China Zip: 100084 Product: Global Climate...

  5. ORISE: Oak Ridge Sitewide Institutional Review Board

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

    the Protection of Human Subjects, also known as the Common Rule, requires that each institution that engages in human subjects research establish an institutional review board (IRB). ...

  6. Joint BioEnergy Institute

    SciTech Connect (OSTI)

    Keasling, Jay; Simmons, Blake; Tartaglino, Virginia; Baidoo, Edward; Kothari, Ankita

    2015-06-15

    The Joint BioEnergy Institute (JBEI) is a U.S. Department of Energy (DOE) Bioenergy Research Center dedicated to developing advanced biofuels—liquid fuels derived from the solar energy stored in plant biomass that can replace gasoline, diesel and jet fuels.

  7. PROJECT PROFILE: Southwest Research Institute

    Office of Energy Efficiency and Renewable Energy (EERE)

    The Southwest Research Institute (SwRI) will design, manufacture, and test an ultra-high efficiency supercritical carbon dioxide (sCO2) compressor-expander, or “compander,” for power generation at CSP plants. SwRI will collaborate with Samsung Techwin America to develop the technology.

  8. Facility Upgrade - Cyclotron Institute - TAMU

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

    the Cyclotron Institute Facility Upgrade White Paper Follow the links below to open the files, or right click and select "Save Target As..." to save the file to your computer. File Type File Size Adobe PDF 752 KB MS-Word 18840 KB Postscript 1660 KB

  9. Thermal Gradient Holes At Twenty-Nine Palms Area (Page, Et Al...

    Open Energy Info (EERE)

    gradient holes for the GPO. Samples taken from each hole were similar in nature; mixtures of sand and conglomerates with the occasional granite sections were...

  10. Evaluation of Cross-Hole Seismic Tomography for Imaging Low Resistance...

    Office of Scientific and Technical Information (OSTI)

    Evaluation of Cross-Hole Seismic Tomography for Imaging Low Resistance Intervals and ... Title: Evaluation of Cross-Hole Seismic Tomography for Imaging Low Resistance Intervals ...

  11. Fuel injector Holes (Fabrication of Micro-Orifices for Fuel Injectors...

    Office of Environmental Management (EM)

    injector Holes (Fabrication of Micro-Orifices for Fuel Injectors) Fuel injector Holes (Fabrication of Micro-Orifices for Fuel Injectors) 2009 DOE Hydrogen Program and Vehicle ...

  12. Rock Sampling At Seven Mile Hole Area (Larson, Et Al., 2009)...

    Open Energy Info (EERE)

    Seven Mile Hole Area (Larson, Et Al., 2009) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Rock Sampling At Seven Mile Hole Area (Larson, Et...

  13. Isotopic Analysis At Seven Mile Hole Area (Larson, Et Al., 2009...

    Open Energy Info (EERE)

    Seven Mile Hole Area (Larson, Et Al., 2009) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Isotopic Analysis At Seven Mile Hole Area (Larson, Et...

  14. Field Mapping At Seven Mile Hole Area (Larson, Et Al., 2009)...

    Open Energy Info (EERE)

    Seven Mile Hole Area (Larson, Et Al., 2009) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Field Mapping At Seven Mile Hole Area (Larson, Et...

  15. Varying fine structure 'constant' and charged black holes

    SciTech Connect (OSTI)

    Bekenstein, Jacob D.; Schiffer, Marcelo

    2009-12-15

    Speculation that the fine-structure constant {alpha} varies in spacetime has a long history. We derive, in 4-D general relativity and in isotropic coordinates, the solution for a charged spherical black hole according to the framework for dynamical {alpha} J. D. Bekenstein, Phys. Rev. D 25, 1527 (1982).. This solution coincides with a previously known one-parameter extension of the dilatonic black hole family. Among the notable properties of varying-{alpha} charged black holes are adherence to a 'no hair' principle, the absence of the inner (Cauchy) horizon of the Reissner-Nordstroem black holes, the nonexistence of precisely extremal black holes, and the appearance of naked singularities in an analytic extension of the relevant metric. The exteriors of almost extremal electrically (magnetically) charged black holes have simple structures which makes their influence on applied magnetic (electric) fields transparent. We rederive the thermodynamic functions of the modified black holes; the otherwise difficult calculation of the electric potential is done by a shortcut. We confirm that variability of {alpha} in the wake of expansion of the universe does not threaten the generalized second law.

  16. DOE - NNSA/NFO -- News & Views Big Hole Drilling

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

    Underground Testing Perfected Big-Hole Drilling Technology Photo - Rowan Drilling Company's On July 26, 1957, a safety experiment called "Pascal A" was detonated in an unstemmed hole. Although the test was not spectacular, it does hold the distinction of being the first nuclear test in the world to be detonated underground. From 1957 to 1992, 533 contained tests and nine unstemmed tests were conducted at the Nevada Test Site (NTS). If the depths of all the 36-inch diameter holes

  17. Hole Localization in Molecular Crystals from Hybrid Density Functional Theory

    SciTech Connect (OSTI)

    Sai, Na; Barbara, Paul F.; Leung, Kevin

    2011-06-02

    We use first-principles computational methods to examine hole trapping in organic molecular crystals. We present a computational scheme based on the tuning of the fraction of exact exchange in hybrid density functional theory to eliminate the many-electron self-interaction error. With small organic molecules, we show that this scheme gives accurate descriptions of ionization and dimer dissociation. We demonstrate that the excess hole in perfect molecular crystals forms self-trapped molecular polarons. The predicted absolute ionization potentials of both localized and delocalized holes are consistent with experimental values.

  18. TEST-HOLE CONSTRUCTION FOR A NEUTRONIC REACTOR

    DOE Patents [OSTI]

    Ohlinger, L.A.; Seitz, F.; Young, G.J.

    1959-02-17

    Test-hole construction is described for a reactor which provides safe and ready access to the neutron flux region for specimen materials which are to be irradiated therein. An elongated tubular thimble adapted to be inserted in the access hole through the wall of the reactor is constructed of aluminum and is provided with a plurality of holes parallel to the axis of the thimble for conveying the test specimens into position for irradiation, and a conduit for the circulation of coolant. A laminated shield formed of alternate layers of steel and pressed wood fiber is disposed lengthwise of the thimble near the outer end thereof.

  19. Back reaction on a Reissner-Nordstro''m black hole

    SciTech Connect (OSTI)

    Wang, Bobo; Huang, Chao-guang

    2001-06-15

    The perturbed (''dressed'') metric of the conformally invariant scalar field in a Reissner-Nordstroem (RN) black hole is given by solving the semiclassical Einstein and Maxwell equations according to York's back-reaction approach. Some properties of the ''dressed'' black hole are obtained, such as its ''dressed'' mass, the location of the event horizon, and its surface gravity. It will also be found that the hypersurfaces of r{sub +} and r{sub {minus}} which are the event and Cauchy horizons in the ''naked'' RN black hole, become spacelike in the perturbed geometry.

  20. Modified clock inequalities and modified black hole lifetime

    SciTech Connect (OSTI)

    Yang Rongjia; Zhang Shuangnan

    2009-06-15

    Based on a generalized uncertainty principle, Salecker-Wigner inequalities are modified. When applied to black holes, they give a modified black hole lifetime: T{sub MB}{approx}(M{sup 3}/m{sub p}{sup 3})(1-m{sub p}{sup 2}/M{sup 2})t{sub p}, and the number of bits required to specify the information content of the black hole as the event horizon area in Planck units N{approx}(M{sup 2}/m{sub p}{sup 2})(1-m{sub p}{sup 2}/M{sup 2})

  1. Are black holes in alternative theories serious astrophysical candidates? The case for Einstein-dilaton-Gauss-Bonnet black holes

    SciTech Connect (OSTI)

    Pani, Paolo; Cardoso, Vitor

    2009-04-15

    It is generally accepted that Einstein's theory will get some as yet unknown corrections, possibly large in the strong-field regime. An ideal place to look for these modifications is in the vicinities of compact objects such as black holes. Here, we study dilatonic black holes, which arise in the framework of Gauss-Bonnet couplings and one-loop corrected four-dimensional effective theory of heterotic superstrings at low energies. These are interesting objects as a prototype for alternative, yet well-behaved gravity theories: they evade the 'no-hair' theorem of general relativity but were proven to be stable against radial perturbations. We investigate the viability of these black holes as astrophysical objects and try to provide some means to distinguish them from black holes in general relativity. We start by extending previous works and establishing the stability of these black holes against axial perturbations. We then look for solutions of the field equations describing slowly rotating black holes and study geodesic motion around this geometry. Depending on the values of mass, dilaton charge, and angular momentum of the solution, one can have differences in the innermost-stable-circular-orbit location and orbital frequency, relative to black holes in general relativity. In the most favorable cases, the difference amounts to a few percent. Given the current state-of-the-art, we discuss the difficulty of distinguishing the correct theory of gravity from electromagnetic observations or even with gravitational-wave detectors.

  2. News Archive | Critical Materials Institute

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

    Archive CMI in the news 2016 Oak Ridge National Laboratory: Critical Materials Institute, Oddello Industries pursue recovery of rare-earth magnets from used hard drives, August 16, 2016 Colorado School of Mines: Solar panels power materials exhibit at Geology Museum, August 2, 2016 The White House: The Materials Genome Initiative: The First Five Years, August 2, 2016 Oak Ridge National Laboratory: Mirzadeh, Moyer, Wesolowski named ORNL Corporate Fellows, June 30, 2016 newswise: CMI taps the

  3. News Releases | Critical Materials Institute

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

    Releases CMI taps the power of supercomputing to find rare-earth refining alternatives, June 20, 2016 Mr. Rare Earth, Karl Gschneidner passes away on April 27, April 29, 2016 Ames Laboratory scientist inducted into National Academy of Inventors, April 15, 2016 Critical Materials Institute gains ten industrial and research affiliates, April 11, 2016 How true is conventional wisdom about price volatility of tech metals?, Feb. 11, 2016 Ames Laboratory scientist named to National Academy of

  4. Nuclear Structure - Research - Cyclotron Institute

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

    Nuclear Structure depiction of giant resonance modes (ref. Xinfeng Chen, "Giant Resonance Study By 6Li Scattering" Nuclear structure studies at the Institute explore a wide range of single-particle and collective properties of the nucleus. The most extensive study in this area is centered about the determination of the nuclear compressibility with measurements of the properties of giant resonance states in a variety of nuclei. The nuclear compressibility is a quantity of great

  5. External Collaborations - Research - Cyclotron Institute

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

    External Collaborations STAR detector offers a unique myriad of subsystems which can be utilized to distinguish decay photons from direct photons. A number of research projects involving Institute scientists are carried out at other large national and international accelerator facilities in collaboration with groups from other universities and laboratories worldwide. Many of these are directly complementary to the local experimental program but others, as described below, explore other

  6. University of Delaware Energy Institute

    SciTech Connect (OSTI)

    Klein, Michael T

    2012-09-30

    The main goal of this project funded through this DOE grant is to help in the establishment of the University of Delaware Energy Institute (UDEI) which is designed to be a long-term, on-going project. The broad mission of UDEI is to develop collaborative programs encouraging research activities in the new and emerging energy technologies and to partner with industry and government in meeting the challenges posed by the nationâ??s pressing energy needs.

  7. PNNL: About PNNL - Institutional Partnerships

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

    Research, Development, and Deployment Collaborations See what we offer universities, other research institutions, and private industry. We look forward to working with you! For Universities Here's what we offer our university partners: Paloma Borque and Andrea Neumann Paloma Borque of McGill University and Andrea Neumann of the University of North Dakota monitor sophisticated instruments onboard an atmospheric research aircraft as part of a climate field study. It's part of a national,

  8. invention disclosures | Critical Materials Institute

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

    invention disclosures CMI Invention Disclosures Success for the Critical Materials Institute will be defined by how well it meets its mission to assure supply chains of materials critical to clean energy technologies. To enable innovation in U.S. manufacturing and to enhance U.S. energy security, CMI must develop, demonstrate, and deploy clean energy technology. To direct research in a way to minimize the time to discovery and the time between discovery and deployment, the CMI team includes both

  9. CASL - Electric Power Research Institute

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

    Electric Power Research Institute Palo Alto, CA EPRI is a collaborative nonprofit organization that conducts research and development relating to generation, delivery, and use of electricity for the benefit of the public. Our members include operators of all U.S. nuclear power plants and a large fraction of the nuclear plants worldwide. Key Contributions Leading the CASL Industry Council Technology and expertise on fuel performacne modeling User requirements for virtual reactor simulation

  10. CASL - Massachusetts Institute of Technology

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

    Massachusetts Institute of Technology Cambridge, MA The Department of Nuclear Science and Engineering at MIT has been a leader in the development of the nuclear engineering spectrum of curriculum and research activities, integrating foundational scientific knowledge with engineering proactive to advance. Fission and fusion energy Advanced materials Nuclear radiation technologies Security science and policy Key Contributions Scientific contribution and coordination in the Material Performance and

  11. CMI Factsheet | Critical Materials Institute

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

    CMI Factsheet 3D printer uses laser and metals to build new combinations of materials What is the Energy Innovation Hub for Critical Materials? Created by the U.S. Department of Energy, the Energy Innovation Hub is operated under the name the Critical Materials Institute. CMI is led by the DOE's Ames Laboratory, and managed by DOE's Advanced Manufacturing Office. It brings together the expertise of DOE national laboratories, universities, and industry partners to eliminate materials criticality

  12. Microsoft Word - Cd-CA.doc

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

    The First Cadmium Enzyme - Carbonic Anhydrase 2 from the marine diatom Thalassiosira weissflogii Todd W. Lane 1 , Mak A. Saito 2 , Graham N. George 3 , Ingrid J. Pickering 3 , Roger C. Prince 4 and François M.M. Morel 5 1 Biosystems Research Department, Sandia National Labs, Livermore, CA 2 Marine Chemistry and Geochemistry Department, Woods Hole Oceanographic Institution, Woods Hole, MA 3 Department of Geological Sciences, University of Saskatchewan, Saskatoon, Canada 4 ExxonMobil Research

  13. Fast radial flows in transition disk holes

    SciTech Connect (OSTI)

    Rosenfeld, Katherine A.; Andrews, Sean M.; Chiang, Eugene

    2014-02-20

    Protoplanetary 'transition' disks have large, mass-depleted central cavities, yet also deliver gas onto their host stars at rates comparable to disks without holes. The paradox of simultaneous transparency and accretion can be explained if gas flows inward at much higher radial speeds inside the cavity than outside the cavity, since surface density (and by extension optical depth) varies inversely with inflow velocity at fixed accretion rate. Radial speeds within the cavity might even have to approach free-fall values to explain the huge surface density contrasts inferred for transition disks. We identify observational diagnostics of fast radial inflow in channel maps made in optically thick spectral lines. Signatures include (1) twisted isophotes in maps made at low systemic velocities and (2) rotation of structures observed between maps made in high-velocity line wings. As a test case, we apply our new diagnostic tools to archival Atacama Large Millimeter Array data on the transition disk HD 142527 and uncover evidence for free-fall radial velocities inside its cavity. Although the observed kinematics are also consistent with a disk warp, the radial inflow scenario is preferred because it predicts low surface densities that appear consistent with recent observations of optically thin CO isotopologues in this disk. How material in the disk cavity sheds its angular momentum wholesale to fall freely onto the star is an unsolved problem; gravitational torques exerted by giant planets or brown dwarfs are briefly discussed as a candidate mechanism.

  14. Thermodynamics of Sultana-Dyer black hole

    SciTech Connect (OSTI)

    Majhi, Bibhas Ranjan

    2014-05-01

    The thermodynamical entities on the dynamical horizon are not naturally defined like the usual static cases. Here I find the temperature, Smarr formula and the first law of thermodynamics for the Sultana-Dyer metric which is related to the Schwarzschild spacetime by a time dependent conformal factor. To find the temperature (T), the chiral anomaly expressions for the two dimensional spacetime are used. This shows an application of the anomaly method to study Hawking effect for a dynamical situation. Moreover, the analysis singles out one expression for temperature among two existing expressions in the literature. Interestingly, the present form satisfies the first law of thermodynamics. Also, it relates the Misner-Sharp energy (Ē) and the horizon entropy ( S-bar ) by an algebraic expression Ē = 2 S-bar T which is the general form of the Smarr formula. This fact is similar to the usual static black hole cases in Einstein's gravity where the energy is identified as the Komar conserved quantity.

  15. Bubbling supertubes and foaming black holes

    SciTech Connect (OSTI)

    Bena, Iosif; Warner, Nicholas P.

    2006-09-15

    We construct smooth BPS three-charge geometries that resolve the zero-entropy singularity of the U(1)xU(1) invariant black ring. This singularity is resolved by a geometric transition that results in geometries without any branes sources or singularities but with nontrivial topology. These geometries are both ground states of the black ring, and nontrivial microstates of the D1-D5-P system. We also find the form of the geometries that result from the geometric transition of N zero-entropy black rings, and argue that, in general, such geometries give a very large number of smooth bound-state three-charge solutions, parametrized by 6N functions. The generic microstate solution is specified by a four-dimensional hyper-Kaehler geometry of a certain signature, and contains a 'foam' of nontrivial two-spheres. We conjecture that these geometries will account for a significant part of the entropy of the D1-D5-P black hole, and that Mathur's conjecture might reduce to counting certain hyper-Kaehler manifolds.

  16. Archaeological studies at Drill Hole U20az Pahute Mesa, Nye county, Nevada. [Contains bibliography

    SciTech Connect (OSTI)

    Simmons, A.H.; Hemphill, M.L.; Henton, G.H.; Lockett, C.L.; Nials, F.L.; Pippin, L.C.; Walsh, L.

    1991-07-01

    During the summer of 1987, the Quaternary Sciences Center (formerly Social Science Center) of the Desert Research Institute (DRI), University of Nevada System, conducted data recovery investigations at five archaeological sites located near Drill Hole U20az on the Nevada Test Site in southern Nevada. These sites were among 12 recorded earlier during an archaeological survey of the drill hole conducted as part of the environmental compliance activities of the Department of Energy (DOE). The five sites discussed in this report were considered eligible for the National Register of Historic Places and were in danger of being adversely impacted by construction activities or by effects of the proposed underground nuclear test. Avoidance of these sites was not a feasible alternative; thus DRI undertook a data recovery program to mitigate expected adverse impacts. DRI's research plan included controlled surface collections and excavation of the five sites in question, and had the concurrence of the Nevada Division of Historic Preservation and Archaeology and the Advisory Council of Historic Preservation. Of the five sites investigated, the largest and most complex, 26Ny5207, consists of at least three discrete artifact concentrations. Sites 26Ny5211 and 26Ny5215, both yielded considerable assemblages. Site 26Ny5206 is very small and probably is linked to 26Ny5207. Site 26Ny5205 contained a limited artifact assemblage. All of the sites were open-air occurrences, and, with one exception contained no or limited subsurface cultural deposits. Only two radiocarbon dates were obtained, both from 26Ny5207 and both relatively recent. While the investigations reported in the volume mitigate most of the adverse impacts from DOE activities at Drill Hole U20az, significant archaeological sites may still exist in the general vicinity. Should the DOE conduct further activities in the region, additional cultural resource investigations may be required. 132 refs., 71 figs., 44 tabs.

  17. Edison Electric Institute Comments | Department of Energy

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

    Comments Edison Electric Institute Comments The Edison Electric Institute (EEi) is submitting this letter and the enclosed comments in response to the above-referenced request for infonnation (RFI). DOE - Reg review - EEI cmts 7-11-16 (497.95 KB) More Documents & Publications Edison Electric Institute (EEI) Regulatory Burden RFI, 77 Fed. Reg. 47328 Edison Electric Institute (EEI) Reducing Regulatory Burden RFI, 77 Fed. Reg. 28518 (May 15, 2012) Edison Electric Institute (EEI) Reducing

  18. Slant-hole collimator, dual mode sterotactic localization method

    DOE Patents [OSTI]

    Weisenberger, Andrew G.

    2002-01-01

    The use of a slant-hole collimator in the gamma camera of dual mode stereotactic localization apparatus allows the acquisition of a stereo pair of scintimammographic images without repositioning of the gamma camera between image acquisitions.

  19. Generic features of Einstein-Aether black holes

    SciTech Connect (OSTI)

    Tamaki, Takashi; Miyamoto, Umpei

    2008-01-15

    We reconsider spherically symmetric black hole solutions in Einstein-Aether theory with the condition that this theory has identical parametrized post-Newtonian parameters as those for general relativity, which is the main difference from the previous research. In contrast with previous study, we allow superluminal propagation of a spin-0 Aether-gravity wave mode. As a result, we obtain black holes having a spin-0 'horizon' inside an event horizon. We allow a singularity at a spin-0 horizon since it is concealed by the event horizon. If we allow such a configuration, the kinetic term of the Aether field can be large enough for black holes to be significantly different from Schwarzschild black holes with respect to Arnowitt-Deser-Misner mass, innermost stable circular orbit, Hawking temperature, and so on. We also discuss whether or not the above features can be seen in more generic vector-tensor theories.

  20. Slim Holes At Steamboat Springs Area (Warpinski, Et Al., 2002...

    Open Energy Info (EERE)

    slim hole 12-33, was drilled to a total depth of 297 m during April 2001. Continuous core was taken from 152 m to total depth. Numerous open fractures were also observed in...

  1. Core Holes At Valles Caldera - Sulphur Springs Geothermal Area...

    Open Energy Info (EERE)

    Dennis L. Nielson, Pisto Larry, C.W. Criswell, R. Gribble, K. Meeker, J.A. Musgrave, T. Smith, D. Wilson (1989) Scientific Core Hole Valles Caldera No. 2B (VC-2B), New Mexico:...

  2. Black hole evaporation in a noncommutative charged Vaidya model

    SciTech Connect (OSTI)

    Sharif, M. Javed, W.

    2012-06-15

    We study the black hole evaporation and Hawking radiation for a noncommutative charged Vaidya black hole. For this purpose, we determine a spherically symmetric charged Vaidya model and then formulate a noncommutative Reissner-Nordstroem-like solution of this model, which leads to an exact (t - r)-dependent metric. The behavior of the temporal component of this metric and the corresponding Hawking temperature are investigated. The results are shown in the form of graphs. Further, we examine the tunneling process of charged massive particles through the quantum horizon. We find that the tunneling amplitude is modified due to noncommutativity. Also, it turns out that the black hole evaporates completely in the limits of large time and horizon radius. The effect of charge is to reduce the temperature from a maximum value to zero. We note that the final stage of black hole evaporation is a naked singularity.

  3. Identification of microscopic hole-trapping mechanisms in nitride semiconductors

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

    John L. Lyons; Krishnaswamy, Karthik; Luke Gordon; Van de Walle, Chris G.; Anderson, Janotti

    2015-12-17

    Hole trapping has been observed in nitride heterostructure devices, where the Fermi level is in the vicinity of the valence-band maximum. Using hybrid density functional calculations, we examine microscopic mechanisms for hole trapping in GaN and AlN. In a defect-free material, hole trapping does not spontaneously occur, but trapping can occur in the vicinity of impurities, such as C-a common unintentional impurity in nitrides. As a result, using Schrödinger-Poisson simulations, we assess the effects of C-derived hole traps on N-face high-electron mobility transistors, which we find to be more detrimental than the previously proposed interface traps.

  4. Core Lithology State of Hawaii Scientific Observation Hole 4...

    Open Energy Info (EERE)

    Abstract Summary lithological log for SOH-4 test hole Authors Frank A. Trusdell, Elizabeth A. Novak and Rene' S. Evans Published U.S. Dept. of the Interior, U.S. Geological...

  5. Temperatures, heat flow, and water chemistry from drill holes...

    Open Energy Info (EERE)

    Temperatures, heat flow, and water chemistry from drill holes in the Raft River geothermal system, Cassia County, Idaho Jump to: navigation, search OpenEI Reference LibraryAdd to...

  6. Raft River Geothermal Exploratory Hole No. 2, RRGE-2. Completion...

    Open Energy Info (EERE)

    report Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: Raft River Geothermal Exploratory Hole No. 2, RRGE-2. Completion report Abstract The Raft...

  7. MASSACHUSETTS INSTITUTE OF TECHNOLOGY | Princeton Plasma Physics Lab

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

    MASSACHUSETTS INSTITUTE OF TECHNOLOGY American Fusion News Category: Massachusetts Institute of Technology (MIT) Link: MASSACHUSETTS INSTITUTE OF TECHNOLOGY

  8. Ultrafast Core-Hole Induced Dynamics in Water

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

    Ultrafast Core-Hole Induced Dynamics in Water Print A thorough understanding of the chemical processes that are initiated when radiation interacts with aqueous systems is essential for many diverse fields, from condensed matter physics to medicine to environmental science. An incoming photon with enough energy to produce a core hole in a water molecule sets off motions that can affect bonding configurations, which in turn affect subsequent chemical-reaction pathways. However, it is a fundamental

  9. Two Electron Holes in Hematite Facilitate Water Splitting

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

    Two Electron Holes in Hematite Facilitate Water Splitting Two Electron Holes in Hematite Facilitate Water Splitting Print Wednesday, 26 September 2012 00:00 Hydrogen is an attractive form of fuel because its only by-product is nonpolluting water vapor. The problem, however, is that the production of hydrogen-via the process of water splitting-currently requires the burning of traditional fossil fuels. Therefore, water splitting by photoelectrochemical cells (PECs) fueled by solar power has long

  10. Ultrafast Core-Hole Induced Dynamics in Water

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

    Ultrafast Core-Hole Induced Dynamics in Water Print A thorough understanding of the chemical processes that are initiated when radiation interacts with aqueous systems is essential for many diverse fields, from condensed matter physics to medicine to environmental science. An incoming photon with enough energy to produce a core hole in a water molecule sets off motions that can affect bonding configurations, which in turn affect subsequent chemical-reaction pathways. However, it is a fundamental

  11. Ultrafast Core-Hole Induced Dynamics in Water

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

    Ultrafast Core-Hole Induced Dynamics in Water Print A thorough understanding of the chemical processes that are initiated when radiation interacts with aqueous systems is essential for many diverse fields, from condensed matter physics to medicine to environmental science. An incoming photon with enough energy to produce a core hole in a water molecule sets off motions that can affect bonding configurations, which in turn affect subsequent chemical-reaction pathways. However, it is a fundamental

  12. Ultrafast Core-Hole Induced Dynamics in Water

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

    Ultrafast Core-Hole Induced Dynamics in Water Print A thorough understanding of the chemical processes that are initiated when radiation interacts with aqueous systems is essential for many diverse fields, from condensed matter physics to medicine to environmental science. An incoming photon with enough energy to produce a core hole in a water molecule sets off motions that can affect bonding configurations, which in turn affect subsequent chemical-reaction pathways. However, it is a fundamental

  13. Ultrafast Core-Hole Induced Dynamics in Water

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

    Ultrafast Core-Hole Induced Dynamics in Water Print A thorough understanding of the chemical processes that are initiated when radiation interacts with aqueous systems is essential for many diverse fields, from condensed matter physics to medicine to environmental science. An incoming photon with enough energy to produce a core hole in a water molecule sets off motions that can affect bonding configurations, which in turn affect subsequent chemical-reaction pathways. However, it is a fundamental

  14. Black holes in supergravity: the non-BPS branch

    SciTech Connect (OSTI)

    Gimon, Eric; Gimon, Eric G.; Larsen, Finn; Simon, Joan

    2007-10-25

    We construct extremal, spherically symmetric black hole solutions to 4D supergravity with charge assignments that preclude BPS-saturation. In particular, we determine the ground state energy as a function of charges and moduli. We find that the mass of the non-BPS black hole remains that of a marginal bound state of four basic constituents throughout the entire moduli space and that there is always a non-zero gap above the BPS bound.

  15. WIPP - Passive Institutional Controls (PICs)

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

    The U.S. Department of Energy has developed a program for the development of Passive Institutional Controls to alert future generations to the potential hazards of intersecting the Waste Isolation Pilot Plant (WIPP) repository. These controls are required by U.S. Environmental Protection Agency [Title 40 CFR, Sections 191.14 and 194.43]. The purpose of a passive control, or a PIC, is to indicate the location of the repository and to convey the dangers associated with human exposure to the

  16. Critical Materials Institute Affiliates Program

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

    4 Critical Materials Institute Affiliates Program MEMBER AGREEMENT ("Agreement") WHEREAS, The Ames Laboratory ("AMES"), a U.S. Department of Energy ("DOE") National Laboratory operated by Iowa State University of Science and Technology ("ISU") under the authority of its Contract DE-AC02-07CH11358, with administrative offices at 311 TASF, 2408 Pammel Dr,. Ames, IA 50011-1015, is the recipient of funding from the U.S. Department of Energy's Office of Energy

  17. The Energy Institute | Open Energy Information

    Open Energy Info (EERE)

    The Energy Institute (EI), located in London, United Kingdom, is a professional support body for nearly 13,500 professionals worldwide. The Energy Institute is a tool for society...

  18. Energy & Geoscience Institute | Open Energy Information

    Open Energy Info (EERE)

    Institute Name: Energy & Geoscience Institute Address: 423 Wakara way, Suite 300 Place: Salt Lake City, Utah Zip: 84108 Region: Utah Number of Employees: 51-200 Year Founded: 1972...

  19. White House Announces Eighth Manufacturing Innovation Institute

    Broader source: Energy.gov [DOE]

    On Thursday, April 1, the White House announced a new institute which will focus on revolutionary fibers and textile manufacturing. This new institute is the eighth manufacturing hub to be awarded...

  20. Microhole Coiled Tubing Bottom Hole Assemblies

    SciTech Connect (OSTI)

    Don Macune

    2008-06-30

    The original objective of the project, to deliver an integrated 3 1/8-inch diameter Measurement While Drilling (MWD) and Logging While Drilling (LWD) system for drilling small boreholes using coiled tubing drilling, has been achieved. Two prototype systems have been assembled and tested in the lab. One of the systems has been successfully tested downhole in a conventional rotary drilling environment. Development of the 3 1/8-inch system has also lead to development and commercialization of a slightly larger 3.5-inch diameter system. We are presently filling customer orders for the 3.5-inch system while continuing with commercialization of the 3 1/8-inch system. The equipment developed by this project will be offered for sale to multiple service providers around the world, enabling the more rapid expansion of both coiled tubing drilling and conventional small diameter drilling. The project was based on the reuse of existing technology whenever possible in order to minimize development costs, time, and risks. The project was begun initially by Ultima Labs, at the time a small company ({approx}12 employees) which had successfully developed a number of products for larger oil well service companies. In September, 2006, approximately 20 months after inception of the project, Ultima Labs was acquired by Sondex plc, a worldwide manufacturer of downhole instrumentation for cased hole and drilling applications. The acquisition provided access to proven technology for mud pulse telemetry, downhole directional and natural gamma ray measurements, and surface data acquisition and processing, as well as a global sales and support network. The acquisition accelerated commercialization through existing Sondex customers. Customer demand resulted in changes to the product specification to support hotter (150 C) and deeper drilling (20,000 psi pressure) than originally proposed. The Sondex acquisition resulted in some project delays as the resistivity collar was interfaced to a

  1. Institutional Plan FY 2003 - 2007

    SciTech Connect (OSTI)

    Chartock, Michael; Hansen, Todd

    2003-01-27

    The Fiscal Year (FY) 2003-2007 Institutional Plan describes the strategic directions and key issues that Lawrence Berkeley National Laboratory management must address with the Department of Energy (DOE) in charting its future as a multiprogram national laboratory. The Plan provides an overview of the Laboratory's mission, strategic plan, initiatives, and the resources required to fulfill its role in support of national needs in fundamental science and technology, energy resources, and environmental quality. The Plan facilitates the Department of Energy's ongoing efforts to strengthen the Integrated Laboratory System. Preparation and review of the Institutional Plan is one element of the Department of Energy's strategic management planning activities, implemented through an annual planning process. The Plan supports the President's Management Agenda and the Government Performance and Results Act of 1993. The Plan complements the current performance-based contract between the Department of Energy and the Regents of the University of California, and summarizes Best Management Practices for a potential future results-based contract as a basis for achieving DOE goals and the Laboratory's scientific and operations objectives. It identifies technical and administrative directions in the context of national energy policy and research needs and the Department of Energy's program planning initiatives. Preparation of the Plan is coordinated by the Planning and Strategic Development Office from information contributed by Berkeley Lab's scientific and support divisions and DOE comments on prior years' plans. The Laboratory Mission section identifies the specific strengths of Berkeley Lab that contribute to the mission in general and the Integrated Laboratory System in particular. The Laboratory Strategic Plan section identifies the existing activities in support of DOE Office of Science and other sponsors; support for DOE goals; and the Laboratory Scientific Vision and

  2. Commitment Institutional Change Principle | Department of Energy

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

    Institutional Change » Commitment Institutional Change Principle Commitment Institutional Change Principle Commitment can be a crucial element that helps federal agencies inject and emphasize sustainability in their organizational culture. Institutions and people change when they have made definite commitments to change, especially when those commitments relate to future conditions. Research shows that explicit commitments improve the rate at which people adopt energy-efficient behaviors.

  3. Resources on Institutional Change for Sustainability

    Office of Energy Efficiency and Renewable Energy (EERE)

    The Federal Energy Management Program (FEMP) offers resources to help agencies achieve institutional change in their organizations.

  4. Biomass IBR Fact Sheet: Gas Technology Institute

    Office of Energy Efficiency and Renewable Energy (EERE)

    Gas Technology Institute will conduct research and development on hydropyrolysis and hydroconversion processes to make gasoline and diesel.

  5. Institute for Molecular Engineering | Argonne National Laboratory

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

    Learn more about the Institute for Molecular Engineering. When completed in early 2015, the William Eckhardt Research Center at the University of Chicago will be the home of the Institute of Molecular Engineering. Institute for Molecular Engineering The new Institute for Molecular Engineering explores innovative technologies that address fundamental societal problems through advances in nanoscale manipulation and design at a molecular scale. Addressing Societal Problems with Molecular Science

  6. Coordinating with Corporate and Institutional Affiliates | Department...

    Energy Savers [EERE]

    Coordinating with Corporate and Institutional Affiliates Better Buildings Residential ... More Documents & Publications Better Buildings Residential Network Orientation Webinar ...

  7. Minority Serving Institutions | Department of Energy

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

    Serving Institutions Minority Serving Institutions Map by Matt Loveless, Department of Energy. Our Office of Minority Economic Impact works daily to tap into the talents of students and faculty attending our nation's Minority Serving Institutions. To accomplish the mission of the Department of Energy, we need the best and brightest individuals to work at and partner with the Department. We're proud of the work of our Minority Educational Institution partners, and we work to advance our

  8. Geophysical Institute. Biennial report, 1993-1994

    SciTech Connect (OSTI)

    1996-01-01

    The 1993-1994 Geophysical Institute Biennial Report was published in November 1995 by the Geophysical Institute of the University of Alaska Fairbanks. It contains an overview of the Geophysical Institute, the Director`s Note, and research presentations concerning the following subjects: Scientific Predictions, Space Physics, Atmospheric Sciences, Snow, Ice and Permafrost, Tectonics and Sedimentation, Seismology, Volcanology, Remote Sensing, and other projects.

  9. Financial Institution Partnership Program - Commercial Technology Renewable

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

    Energy Generation Projects Issued: October 7, 2009 | Department of Energy Financial Institution Partnership Program - Commercial Technology Renewable Energy Generation Projects Issued: October 7, 2009 Financial Institution Partnership Program - Commercial Technology Renewable Energy Generation Projects Issued: October 7, 2009 Financial Institution Partnership Program - Commercial Technology Renewable Energy Generation Projects Issued: October 7, 2009 (498.91 KB) Fixed Rate Agreement (110.33

  10. Member Institutions | Photosynthetic Antenna Research Center

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

    Member Institutions Member Institutions The 14 participating institutions and 21 principal investigators that comprise the Photosynthetic Antenna Research Center (PARC) are listed below. Washington University in St. Louis -- PARC's Host and Administrative Home - Bob Blankenship, PARC Director - Dewey Holten, PARC Associate Director - Michael Gross - Christine Kirmaier - Himadri Pakrasi Los Alamos National Laboratory - Gabriel Montaño North Carolina State University - Jonathan Lindsey

  11. Minority Educational Institution Student Partnership Program (MEISPP) |

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

    Department of Energy Development » Minority Educational Institution Student Partnership Program (MEISPP) Minority Educational Institution Student Partnership Program (MEISPP) Our Minority Educational Institution Student Partnership Program (MEISPP) offers talented undergraduate and graduate students summer internship positions with the Department of Energy and our National Laboratories, with the goal of reaching underrepresented students in STEM fields, such as women and girls. Positions

  12. Stellar black holes and the origin of cosmic acceleration

    SciTech Connect (OSTI)

    Prescod-Weinstein, Chanda; Afshordi, Niayesh; Balogh, Michael L.

    2009-08-15

    The discovery of cosmic acceleration has presented a unique challenge for cosmologists. As observational cosmology forges ahead, theorists have struggled to make sense of a standard model that requires extreme fine-tuning. This challenge is known as the cosmological constant problem. The theory of gravitational aether is an alternative to general relativity that does not suffer from this fine-tuning problem, as it decouples the quantum field theory vacuum from geometry, while remaining consistent with other tests of gravity. In this paper, we study static black hole solutions in this theory and show that it manifests a UV-IR coupling: Aether couples the space-time metric close to the black hole horizon, to metric at infinity. We then show that using the trans-Planckian ansatz (as a quantum gravity effect) close to the black hole horizon, leads to an accelerating cosmological solution, far from the horizon. Interestingly, this acceleration matches current observations for stellar-mass black holes. Based on our current understanding of the black hole accretion history in the Universe, we then make a prediction for how the effective dark energy density should evolve with redshift, which can be tested with future dark energy probes.

  13. A SMALL-ANGLE DRILL-HOLE WHIPSTOCK

    DOE Patents [OSTI]

    Nielsen, D.E.; Olsen, J.L.; Bennett, W.P.

    1963-01-29

    A small angle whipstock is described for accurately correcting or deviating a drill hole by a very small angle. The whipstock is primarily utilized when drilling extremely accurate, line-of-slight test holes as required for diagnostic studies related to underground nuclear test shots. The invention is constructed of a length of cylindrical pipe or casing, with a whipstock seating spike extending from the lower end. A wedge-shaped segment is secured to the outer circumference of the upper end of the cylinder at a position diametrically opposite the circumferential position of the spike. Pin means are provided for affixing the whipstock to a directional drill bit and stem to alloy orienting and setting the whipstock properly in the drill hole. (AEC)

  14. Planck-Size Black Hole Remnants as Dark Matter

    SciTech Connect (OSTI)

    Chen, P

    2004-09-13

    While there exist various candidates, the nature of dark matter remains unresolved. Recently it was argued that the generalized uncertainty principle (GUP) may prevent a black hole from evaporating completely, and as a result there should exist a Planck-size black hole remnant (BHR) at the end of its evaporation. If a sufficient amount of small black holes can be produced in the early universe, then the resultant BHRs can be an interesting candidate for DM. We demonstrate that this is indeed the case for the hybrid inflation model. By assuming BHR as DM, our notion imposes a constraint on the hybrid inflation potential. We show that such a constraint is not so fine-tuned. Possible observational signatures are briefly discussed.

  15. SDO OBSERVATIONS OF MAGNETIC RECONNECTION AT CORONAL HOLE BOUNDARIES

    SciTech Connect (OSTI)

    Yang Shuhong; Zhang Jun; Li Ting; Liu Yang E-mail: zjun@nao.cas.cn E-mail: yliu@quake.stanford.edu

    2011-05-01

    With the observations from the Atmospheric Imaging Assembly and the Helioseismic and Magnetic Imager on board the Solar Dynamics Observatory, we investigate the coronal hole boundaries (CHBs) of an equatorial extension of the polar coronal hole. At the CHBs, many extreme-ultraviolet jets, which appear to be the signatures of magnetic reconnection, are observed in the 193 A images, and some jets occur repetitively at the same sites. The evolution of the jets is associated with the emergence and cancellation of magnetic fields. We note that both the east and west CHBs shift westward, and the shift velocities are close to the velocities of rigid rotation compared with those of the photospheric differential rotation. This indicates that magnetic reconnection at CHBs results in the evolution of CHBs and maintains the rigid rotation of coronal holes.

  16. Black holes in a box: Toward the numerical evolution of black holes in AdS space-times

    SciTech Connect (OSTI)

    Witek, Helvi; Nerozzi, Andrea; Cardoso, Vitor; Herdeiro, Carlos; Sperhake, Ulrich; Zilhao, Miguel

    2010-11-15

    The evolution of black holes in ''confining boxes'' is interesting for a number of reasons, particularly because it mimics the global structure of anti-de Sitter geometries. These are nonglobally hyperbolic space-times and the Cauchy problem may only be well defined if the initial data are supplemented by boundary conditions at the timelike conformal boundary. Here, we explore the active role that boundary conditions play in the evolution of a bulk black hole system, by imprisoning a black hole binary in a box with mirrorlike boundary conditions. We are able to follow the post-merger dynamics for up to two reflections off the boundary of the gravitational radiation produced in the merger. We estimate that about 15% of the radiation energy is absorbed by the black hole per interaction, whereas transfer of angular momentum from the radiation to the black hole is observed only in the first interaction. We discuss the possible role of superradiant scattering for this result. Unlike the studies with outgoing boundary conditions, both of the Newman-Penrose scalars {Psi}{sub 4} and {Psi}{sub 0} are nontrivial in our setup, and we show that the numerical data verifies the expected relations between them.

  17. Greybody factors for Myers–Perry black holes

    SciTech Connect (OSTI)

    Boonserm, Petarpa; Chatrabhuti, Auttakit Ngampitipan, Tritos; Visser, Matt

    2014-11-15

    The Myers–Perry black holes are higher-dimensional generalizations of the usual (3+1)-dimensional rotating Kerr black hole. They are of considerable interest in Kaluza–Klein models, specifically within the context of brane-world versions thereof. In the present article, we shall consider the greybody factors associated with scalar field excitations of the Myers–Perry spacetimes, and develop some rigorous bounds on these greybody factors. These bounds are of relevance for characterizing both the higher-dimensional Hawking radiation, and the super-radiance, that is expected for these spacetimes.

  18. Modeling cross-hole slug tests in an unconfined aquifer

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

    Malama, Bwalya; Kuhlman, Kristopher L.; Brauchler, Ralf; Bayer, Peter

    2016-06-28

    Cross-hole slug test date are analyzed with an extended version of a recently published unconfined aquifer model accounting for waterable effects using the linearized kinematic condition. The use of cross-hole slug test data to characterize aquifer heterogeneity and source/observation well oscillation parameters is evaluated. The data were collected in a series of multi-well and multi-level pneumatic slug tests conducted at a site in Widen, Switzerland. Furthermore, the tests involved source and observation well pairs separated by distances of up to 4 m, and instrumented with pressure transducers to monitor aquifer response in discrete intervals.

  19. Hole cleaning imperative in coiled tubing drilling operations

    SciTech Connect (OSTI)

    Rameswar, R.M.; Mudda, K.

    1995-09-01

    Annular flow modeling in coiled tubing applications is essential for optimizing mud rheology and keeping the hole clean. Cuttings transport in coiled tubing drilling must be optimized, particularly the modeling of hole cleaning capabilities. The effects of two different muds in contrasting geometries on hold cleaning efficiency are considered, with the simulation performed using Petrocalc 14. Coiled tubing is widely used to drill new vertical and horizontal wells, and in re-entry operations. Horizontal well problems are subsequently modeled, where annular eccentricities can range anywhere from concentric to highly offset, given the highly buckled or helically deflected states of many drill coils.

  20. Improvement of tap holes at Wakayama No. 5 blast furnace

    SciTech Connect (OSTI)

    Yamashita, M.; Kashiwada, M.; Shibuta, H.

    1995-12-01

    The service life of blast furnaces, as the result of various improvement measures, has been extended from the conventional 5 to 7 years to 15 to 20 years. Wakayama No. 5 blast furnace adopted SiC bricks. Though SiC brick excelled in strength and durability, it has raised problems such as tap hole inside temperature lowering attributable to its high thermal conductivity, insufficient mud burning and gas blow-out. Nevertheless, various countermeasures described within have been taken against such problems, and as the result it has now become possible to maintain tap holes in stable conditions.

  1. BLACK HOLE MASS ESTIMATES AND RAPID GROWTH OF SUPERMASSIVE BLACK HOLES IN LUMINOUS z ∼ 3.5 QUASARS

    SciTech Connect (OSTI)

    Zuo, Wenwen; Wu, Xue-Bing; Fan, Xiaohui; Green, Richard; Wang, Ran; Bian, Fuyan

    2015-02-01

    We present new near-infrared (IR) observations of the Hβ λ4861 and Mg II λ2798 lines for 32 luminous quasars with 3.2 < z < 3.9 using the Palomar Hale 200 inch telescope and the Large Binocular Telescope. We find that the Mg II FWHM is well correlated with the Hβ FWHM, confirming itself as a good substitute for the Hβ FWHM in the black hole mass estimates. The continuum luminosity at 5100 Å well correlates with the continuum luminosity at 3000 Å and the broad emission line luminosities (Hβ and Mg II). With simultaneous near-IR spectroscopy of the Hβ and Mg II lines to exclude the influences of flux variability, we are able to evaluate the reliability of estimating black hole masses based on the Mg II line for high redshift quasars. With the reliable Hβ line based black hole mass and Eddington ratio estimates, we find that the z ∼ 3.5 quasars in our sample have black hole masses 1.90 × 10{sup 9} M {sub ☉} ≲ M {sub BH} ≲ 1.37 × 10{sup 10} M {sub ☉}, with a median of ∼5.14 × 10{sup 9} M {sub ☉} and are accreting at Eddington ratios between 0.30 and 3.05, with a median of ∼1.12. Assuming a duty cycle of 1 and a seed black hole mass of 10{sup 4} M {sub ☉}, we show that the z ∼ 3.5 quasars in this sample can grow to their estimated black hole masses within the age of the universe at their redshifts.

  2. institutional research | National Nuclear Security Administration

    National Nuclear Security Administration (NNSA)

    institutional research Sniffing out danger from above NNSA's efforts to prevent, counter, and respond to the dangers of nuclear proliferation and terrorism are vital to U.S. national security. Terrorist attacks in the past year in Europe and the United States have highlighted the evolving and unpredictable nature of the threat. Science,... Institutional Research & Development Functions The Office of Advanced Simulation and Computing and Institutional R&D, a program office part of the

  3. Institutional Change Principles for Fostering Sustainability | Department

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

    of Energy Principles for Fostering Sustainability Institutional Change Principles for Fostering Sustainability The following eight principles serve as the foundational building blocks for developing strategies to achieve institutional change-but they are not the strategies themselves. They are derived from academic literature and inform the framework for achieving institutional change in a federal organization. Each statement is followed by a general strategy for how the principle can be

  4. Social Network and Communications Institutional Change Principle |

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

    Department of Energy Network and Communications Institutional Change Principle Social Network and Communications Institutional Change Principle Federal agencies can use social networks and communications to spark and reinforce behavior change for meeting sustainability goals. This principle is based on research findings showing that people and institutions often are strongly influenced by the behaviors and expectations of others. Methods The social network and communications behavior change

  5. Information Science and Technology Institute (ISTI)

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

    Computer System, Cluster, and Networking Summer Institute Class of 2015 Computer System, Cluster, and Networking Summer Institute Viz Collab Viz Collab Scientific collaboration and educational resource for visualizing data ISTI News Date Speaker Org/Institution Host Title of Presentation 09/21/2016 Daniel Vacnti Christoph Junghans Kansan Crash Course: From Novice to Expert in 60 Minutes 09/14/2016 Stanley Rotman Ben-Gurion University James Theiler Remote Sensing Change Detection for Disaster

  6. Leadership Institutional Change Principle | Department of Energy

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

    Institutional Change » Leadership Institutional Change Principle Leadership Institutional Change Principle For changing behavior among employees, leaders in federal agencies should visibly communicate their own commitments to sustainability in the workplace. Such visible leadership will help achieve sustainability goals in the short term and continue to provide motivation for long-term benefits. Methods Leaders should have a deep understanding of the politics of the organization and the ability

  7. Dissipative effects in the worldline approach to black hole dynamics

    SciTech Connect (OSTI)

    Goldberger, Walter D.; Rothstein, Ira Z.

    2006-05-15

    We derive a long wavelength effective point-particle description of four-dimensional Schwarzschild black holes. In this effective theory, absorptive effects are incorporated by introducing degrees of freedom localized on the worldline that mimic the interaction between the horizon and bulk fields. The correlation functions of composite operators in this worldline theory can be obtained by standard matching calculations. For example, we obtain the low frequency two-point function of multipole worldline operators by relating them to the long wavelength graviton black hole absorptive cross section. The effective theory is then used to predict the leading effects of absorption in several astrophysically motivated examples, including the dynamics of nonrelativistic black hole binary inspirals and the motion of a small black hole in an arbitrary background geometry. Our results can be written compactly in terms of absorption cross sections, and can be easily applied to the dissipative dynamics of any compact object, e.g. neutron stars. The relation of our methodology to that developed in the context of the AdS/CFT correspondence is discussed.

  8. Coiled tubing used for slim hole re-entry

    SciTech Connect (OSTI)

    Traonmilin, E. ); Newman, K. )

    1992-02-17

    A coiled tubing unit with slim hole tools successfully re-entered and cored an existing Elf Aquitaine vertical well in the Paris basin in France. This experiment proved that coiled tubing could be used to drill, core, and test a slim hole well. Elf Aquitaine studied the use of coiled tubing for drilling inexpensive exploration wells in the Paris basin. As a result of this study, Elf believed that coiled tubing exploration drilling could significantly reduce exploration costs. This paper reports on a number of questions raised by this study: Can coiled tubing be used effectively to drill slim open hole How would the drilling rate compare with that of a conventional drilling rig If the rate were too slow, coiled tubing might not be economical. Can a straight vertical well be drilled Coiled tubing pipe has a residual curvature from bending over the reel and gooseneck. Will this curvature make it impossible to drill straight Can the coiled tubing also be used to take cores Once the hole is drilled, can it be tested with coiled tubing

  9. Topological black holes in Lovelock-Born-Infeld gravity

    SciTech Connect (OSTI)

    Dehghani, M. H.; Alinejadi, N.; Hendi, S. H.

    2008-05-15

    In this paper, we present topological black holes of third order Lovelock gravity in the presence of cosmological constant and nonlinear electromagnetic Born-Infeld field. Depending on the metric parameters, these solutions may be interpreted as black hole solutions with inner and outer event horizons, an extreme black hole or naked singularity. We investigate the thermodynamics of asymptotically flat solutions and show that the thermodynamic and conserved quantities of these black holes satisfy the first law of thermodynamic. We also endow the Ricci flat solutions with a global rotation and calculate the finite action and conserved quantities of these class of solutions by using the counterterm method. We compute the entropy through the use of the Gibbs-Duhem relation and find that the entropy obeys the area law. We obtain a Smarr-type formula for the mass as a function of the entropy, the angular momenta, and the charge, and compute temperature, angular velocities, and electric potential and show that these thermodynamic quantities coincide with their values which are computed through the use of geometry. Finally, we perform a stability analysis for this class of solutions in both the canonical and the grand-canonical ensemble and show that the presence of a nonlinear electromagnetic field and higher curvature terms has no effect on the stability of the black branes, and they are stable in the whole phase space.

  10. Core Holes At Fort Bliss Area (Combs, Et Al., 1999) | Open Energy...

    Open Energy Info (EERE)

    hole, 4" diameter core) string. The lower percentage for the BSF string was primarily a fi,mctionof large voids encountered in the upper part of the hole, where the rock was more...

  11. Stability of Hořava-Lifshitz black holes in the context of AdS...

    Office of Scientific and Technical Information (OSTI)

    Stability of Hoava-Lifshitz black holes in the context of AdSCFT Citation Details In-Document Search Title: Stability of Hoava-Lifshitz black holes in the context of AdSCFT ...

  12. Geology of Geothermal Test Hole GT-2 Fenton Hill Site, July 1974...

    Open Energy Info (EERE)

    Geothermal Test Hole GT-2 Fenton Hill Site, July 1974 Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: Geology of Geothermal Test Hole GT-2 Fenton Hill...

  13. 16 TAC, part 1, chapter 3, rule 3.100 Seismic Holes and Core...

    Open Energy Info (EERE)

    LibraryAdd to library Legal Document- RegulationRegulation: 16 TAC, part 1, chapter 3, rule 3.100 Seismic Holes and Core HolesLegal Abstract These rules outline definitions...

  14. Notices INSTITUTE OF EDUCATION SCIENCES-Continued

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

    Tuesday, April 23, 2013 Notices INSTITUTE OF EDUCATION SCIENCES-Continued CFDA No. and name Application package available Deadline for trans- mittal of applications Estimated...

  15. Danish Technological Institute | Open Energy Information

    Open Energy Info (EERE)

    Institute Place: Denmark Sector: Services Product: DTI develops, applies and disseminates research- and technologically-based knowledge for the Danish and International business...

  16. Summer 2012 Cyclotron Institute REU Program

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

    led by Institute faculty. Students will have the opportunity to share their work via an oral presentation and virtual poster session. 2012 REU Group Participating Students...

  17. Summer 2013 Cyclotron Institute REU Program

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

    led by Institute faculty. Students will have the opportunity to share their work via an oral presentation and virtual poster session. 2013 REU Group Participating Students...

  18. VI-13 INSTITUTE COLLOQUIA AND SEMINARS

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

    of Science National Science Foundation of China and Development of Chinese Nuclear Physics ... Dai-Mei Zhou, Institute of Particle Physics, Central China Normal University, Wuhan, China ...

  19. Applications from Universities and Other Research Institutions...

    Office of Science (SC) Website

    Policies EFRCs FOA Applications from Universities and Other Research Institutions Construction Review EPSCoR DOE Office of Science Graduate Fellowship (DOE SCGF) External link ...

  20. Comprehensive Legacy Management and Institutional Controls Plan

    Office of Legacy Management (LM)

    Section 4.0 No significant changes. Comprehensive Legacy Management and Institutional Controls Plan, Revision 9, Draft Volume I, Legacy Management Plan Significant Changes Summary ...

  1. Institute for Advanced Composites Manufacturing Innovation Holds...

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

    The decision paves the way for increased innovation to support the automotive industry with multi material solutions and potential collaboration across Institutes. For those in the ...

  2. Financial Institution Lending Program Webinars | Department of...

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

    Provides a listing of past Financial Institution Lending Program webinars and associated files. Author: U. S. Department of Energy, Energy Efficiency & Renewable Energy Financial ...

  3. Microsoft Word - InstituteFlyer2016.doc

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

    There is no registration fee or other fees for participating in the institute itself. The steering committee, Matthew Brake (SNL), Pascal Reuss (Daimler), Christoph Schwingshackl ...

  4. VerdeXchange Institute | Open Energy Information

    Open Energy Info (EERE)

    Institute Place: Los Angeles, California Zip: 90017 Product: Los Angeles-based start up environmental think tank, publishing the VerdeXchange News, a journal providing...

  5. Massachusetts Institute of Technology Hydrodynamics | Open Energy...

    Open Energy Info (EERE)

    Name Massachusetts Institute of Technology Address 77 Massachusetts Avenue Place Cambridge, Massachusetts Zip 02139 Sector Hydro Phone number (617) 254-4348 Website http:...

  6. Global Green Growth Institute | Open Energy Information

    Open Energy Info (EERE)

    Growth Institute Redirect page Jump to: navigation, search REDIRECT Green Growth Strategy Support Retrieved from "http:en.openei.orgwindex.php?titleGlobalGreenGrowthIn...

  7. Business Institute Solar Strategy | Open Energy Information

    Open Energy Info (EERE)

    Solar Strategy Jump to: navigation, search Name: Business Institute Solar Strategy Place: Hamburg, Hamburg, Germany Zip: 22587 Product: A specialised consultancy for the PV...

  8. Utah Geothermal Institutional Handbook | Open Energy Information

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library PermittingRegulatory Guidance - GuideHandbook: Utah Geothermal Institutional HandbookPermittingRegulatory GuidanceGuide...

  9. Smart Manufacturing Innovation Institute: Overview, Goals and...

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

    ... o A manufacturing platform architecture, based on an open-standards, open- ... facilities Transition Plan o Sustainability plan for the proposed Institute past ...

  10. Stockholm Environment Institute (SEI) | Open Energy Information

    Open Energy Info (EERE)

    vulnerability and governance, as well as specific problems such as water resources and air pollution.2 References Stockholm Environment Institute 2.0 2.1 About SEI...

  11. Institutional Change Principles for Fostering Sustainability...

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

    Social Empowerment: Institutions and people who feel they can reach desirable social goals often do, so involve people in program design and processes. Continuous Change: ...

  12. Measure and Evaluate Institutional Change for Sustainability

    Broader source: Energy.gov [DOE]

    The measure and evaluation step is crucial to ensure that institutional change efforts produce successful results in meeting sustainability goals. To measure success, an evaluation is needed.

  13. Renewable Energy Institutional Arrangements for Implementation...

    Open Energy Info (EERE)

    Terms of Reference Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Renewable Energy Institutional Arrangements for Implementation Terms of Reference Agency...

  14. Local Information - Radiation Effects Facility / Cyclotron Institute /

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

    Texas A&M University These pages provide visitor and travel information for the cyclotron institute and College Station, texas. Quick Links Parking Map

  15. Information Science and Technology Institute (ISTI)

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

    UC, Santa CruzLANL Institute for Scalable Scientific Data Management (ISSDM) OPEN SOURCE SOFTWARE AND DATA RELEASES Open Source Software (FSIO) Super Computer Operational...

  16. Swedish Petroleum Institute | Open Energy Information

    Open Energy Info (EERE)

    71795,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":"" Hide Map References: Stockholm Petroleum Institute1 SPI Background2 The Stockholm Petroleum...

  17. PROJECT PROFILE: Institute for Sustainable Communities (Solar...

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

    Solar Market Pathways program, the Institute for Sustainable Communities (ISC) will create a learning ... to integrate solar energy into communities' emergency response plans. ...

  18. Institute of Concentration Photovoltaic Systems ISFOC | Open...

    Open Energy Info (EERE)

    Photovoltaic Systems ISFOC Jump to: navigation, search Name: Institute of Concentration Photovoltaic Systems (ISFOC) Place: Puertallano, Spain Zip: 13500 Product: Part of the R&D...

  19. New Guidance Helps LM Manage Institutional Controls

    Broader source: Energy.gov [DOE]

    The official Guidance for Developing and Implementing Institutional Controls for Long-Term Surveillance and Maintenance at DOE Legacy Management Sites, was issued in January as a supplemental...

  20. Agreement for Minority Financial Institutions Participation in...

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

    MFIParticipationAgreement.pdf (443.54 KB) More Documents & Publications Agreement for Minority Financial Institutions Participation in the Bank Deposit Financial Assistance ...

  1. Agreement for Minority Financial Institutions Participation in...

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

    Agreement for Minority Banking Program (221.7 KB) More Documents & Publications Agreement for Minority Financial Institutions Participation in the Bank Deposit Financial Assistance ...

  2. Minority Educational Institution Student Partnership Program...

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

    and selected National Laboratories. This program is designed specifically to recruit students from Minority Serving Institutions to intern for 10 weeks during the summer months at...

  3. WEBINAR: MODULAR CHEMICAL PROCESS INTENSIFICATION INSTITUTE FOR...

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

    The Energy Department's Office of Energy Efficiency and Renewable Energy will conduct an informational webinar for the Modular Chemical Process Intensification Institute for Clean ...

  4. International Institute for Sustainable Development (IISD) |...

    Open Energy Info (EERE)

    while retaining the institutional agility necessary to confront the challenges of sustainable development. Resources IISD Tools Building REDD Capacity in Developing...

  5. Minority Serving Institutions Partnerships Program | National...

    National Nuclear Security Administration (NNSA)

    Partnerships Program Minority Serving Institutions Partnerships Program NNSA Hosts Cybersecurity Consortium Members Following White House Announcement of 25 Million in Grants to...

  6. Summer 2014 Cyclotron Institute REU Program

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

    Summer 2014 Program The Texas A&M Cyclotron Institute, in conjunction with the National ... Matthew Heffernan The College of William and Mary Dr. Ralf Rapp "Universal ...

  7. Information Science and Technology Institute (ISTI)

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

    ... Computer System, Cluster, and Networking Summer Institute (CSCNSI) (C. Connor) Co-design School (B. Bergen, C. Junghans) Computational Physics Workshop (S. Runnels) Data Science ...

  8. Entanglement entropy of two black holes and entanglement entropic force

    SciTech Connect (OSTI)

    Shiba, Noburo

    2011-03-15

    We study the entanglement entropy S{sub C} of the massless free scalar field on the outside region C of two black holes A and B whose radii are R{sub 1} and R{sub 2} and how it depends on the distance r(>>R{sub 1},R{sub 2}) between two black holes. If we can consider the entanglement entropy as thermodynamic entropy, we can see the entropic force acting on the two black holes from the r dependence of S{sub C}. We develop the computational method based on that of Bombelli et al. to obtain the r dependence of S{sub C} of scalar fields whose Lagrangian is quadratic with respect to the scalar fields. First, we study S{sub C} in (d+1)-dimensional Minkowski spacetime. In this case the state of the massless free scalar field is the Minkowski vacuum state, and we replace two black holes by two imaginary spheres and take the trace over the degrees of freedom residing in the imaginary spheres. We obtain the leading term of S{sub C} with respect to 1/r. The result is S{sub C}=S{sub A}+S{sub B}+(1/r{sup 2d-2})G(R{sub 1},R{sub 2}), where S{sub A} and S{sub B} are the entanglement entropy on the inside region of A and B, respectively, and G(R{sub 1},R{sub 2}){<=}0. We do not calculate G(R{sub 1},R{sub 2}) in detail, but we show how to calculate it. In the black hole case we use the method used in the Minkowski spacetime case with some modifications. We show that S{sub C} can be expected to be the same form as that in the Minkowski spacetime case. But in the black hole case, S{sub A} and S{sub B} depend on r, so we do not fully obtain the r dependence of S{sub C}. Finally, we assume that the entanglement entropy can be regarded as thermodynamic entropy and consider the entropic force acting on two black holes. We argue how to separate the entanglement entropic force from other forces and how to cancel S{sub A} and S{sub B} whose r dependences are not obtained. Then we obtain the physical prediction, which can be tested experimentally in principle.

  9. Utah School and Institutional Trust Lands Administration | Open...

    Open Energy Info (EERE)

    School and Institutional Trust Lands Administration Jump to: navigation, search Logo: Utah School and Institutional Trust Lands Administration Name: Utah School and Institutional...

  10. Stanford - Woods Institute for the Environment | Open Energy...

    Open Energy Info (EERE)

    Stanford - Woods Institute for the Environment Jump to: navigation, search Logo: Stanford- Woods Institute for the Environment Name: Stanford- Woods Institute for the Environment...

  11. Green Technology Institute at UCLA | Open Energy Information

    Open Energy Info (EERE)

    Technology Institute at UCLA Jump to: navigation, search Name: Green Technology Institute at UCLA Place: Los Angeles, California Product: California-based institute to reduce...

  12. Engaging Financial Institution Partners Transcript.doc | Department...

    Office of Environmental Management (EM)

    Engaging Financial Institution Partners Transcript.doc Engaging Financial Institution Partners Transcript.doc Engaging Financial Institution Partners Transcript.doc Microsoft ...

  13. Mexico National Institute of Ecology and Climate Change (INECC...

    Open Energy Info (EERE)

    Institute of Ecology and Climate Change (INECC) Jump to: navigation, search Logo: Mexico National Institute of Ecology Name: Mexico National Institute of Ecology Address:...

  14. Hydraulic Institute Mission and Vision | Department of Energy

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

    HydraulicInstitute.pdf More Documents & Publications Hydraulic Institute Member Benefits Brochure HI Standards Subscription Options Brochure Hydraulic Institute Standards Overview...

  15. Process and structures for fabrication of solar cells with laser ablation steps to form contact holes

    DOE Patents [OSTI]

    Harley, Gabriel; Smith, David D; Dennis, Tim; Waldhauer, Ann; Kim, Taeseok; Cousins, Peter John

    2013-11-19

    Contact holes of solar cells are formed by laser ablation to accomodate various solar cell designs. Use of a laser to form the contact holes is facilitated by replacing films formed on the diffusion regions with a film that has substantially uniform thickness. Contact holes may be formed to deep diffusion regions to increase the laser ablation process margins. The laser configuration may be tailored to form contact holes through dielectric films of varying thickness.

  16. Small Modular Reactors: Institutional Assessment

    SciTech Connect (OSTI)

    Joseph Perkowski, Ph.D.

    2012-06-01

    ? Objectives include, among others, a description of the basic development status of “small modular reactors” (SMRs) focused primarily on domestic activity; investigation of the domestic market appeal of modular reactors from the viewpoints of both key energy sector customers and also key stakeholders in the financial community; and consideration of how to proceed further with a pro-active "core group" of stakeholders substantially interested in modular nuclear deployment in order to provide the basis to expedite design/construction activity and regulatory approval. ? Information gathering was via available resources, both published and personal communications with key individual stakeholders; published information is limited to that already in public domain (no confidentiality); viewpoints from interviews are incorporated within. Discussions at both government-hosted and private-hosted SMR meetings are reflected herein. INL itself maintains a neutral view on all issues described. Note: as per prior discussion between INL and CAP, individual and highly knowledgeable senior-level stakeholders provided the bulk of insights herein, and the results of those interviews are the main source of the observations of this report. ? Attachment A is the list of individual stakeholders consulted to date, including some who provided significant earlier assessments of SMR institutional feasibility. ? Attachments B, C, and D are included to provide substantial context on the international status of SMR development; they are not intended to be comprehensive and are individualized due to the separate nature of the source materials. Attachment E is a summary of the DOE requirements for winning teams regarding the current SMR solicitation. Attachment F deserves separate consideration due to the relative maturity of the SMART SMR program underway in Korea. Attachment G provides illustrative SMR design features and is intended for background. Attachment H is included for overview

  17. PRECISE BLACK HOLE MASSES FROM MEGAMASER DISKS: BLACK HOLE-BULGE RELATIONS AT LOW MASS

    SciTech Connect (OSTI)

    Greene, Jenny E.; Peng, Chien Y.; Kim, Minjin; Kuo, Cheng-Yu; Braatz, James A.; Impellizzeri, C. M. Violette; Condon, James J.; Lo, K. Y.; Henkel, Christian; Reid, Mark J.

    2010-09-20

    The black hole (BH)-bulge correlations have greatly influenced the last decade of efforts to understand galaxy evolution. Current knowledge of these correlations is limited predominantly to high BH masses (M{sub BH{approx}}>10{sup 8} M{sub sun}) that can be measured using direct stellar, gas, and maser kinematics. These objects, however, do not represent the demographics of more typical L < L* galaxies. This study transcends prior limitations to probe BHs that are an order of magnitude lower in mass, using BH mass measurements derived from the dynamics of H{sub 2}O megamasers in circumnuclear disks. The masers trace the Keplerian rotation of circumnuclear molecular disks starting at radii of a few tenths of a pc from the central BH. Modeling of the rotation curves, presented by Kuo et al., yields BH masses with exquisite precision. We present stellar velocity dispersion measurements for a sample of nine megamaser disk galaxies based on long-slit observations using the B and C spectrograph on the Dupont telescope and the Dual Imaging Spectrograph on the 3.5 m telescope at Apache Point. We also perform bulge-to-disk decomposition of a subset of five of these galaxies with Sloan Digital Sky Survey imaging. The maser galaxies as a group fall below the M{sub BH}-{sigma}{sub *} relation defined by elliptical galaxies. We show, now with very precise BH mass measurements, that the low-scatter power-law relation between M{sub BH} and {sigma}{sub *} seen in elliptical galaxies is not universal. The elliptical galaxy M{sub BH}-{sigma}{sub *} relation cannot be used to derive the BH mass function at low mass or the zero point for active BH masses. The processes (perhaps BH self-regulation or minor merging) that operate at higher mass have not effectively established an M{sub BH}-{sigma}{sub *} relation in this low-mass regime.

  18. Institutional Change Process Step 1: Determine Goals

    Broader source: Energy.gov [DOE]

    The first step in the institutional change process is defining your federal agency's sustainability goals. That is, decide what outcomes are desired (or required) over what period of time. Behavioral, organizational, and institutional changes typically are means to achieve desired energy, resource, or greenhouse gas emission outcomes. They are not ends in and of themselves.

  19. Step 1: Determine Goals for Institutional Change

    Office of Energy Efficiency and Renewable Energy (EERE)

    The first step in the institutional change process is defining your federal agency's sustainability goals. That is, decide what outcomes are desired (or required) over what period of time. Behavioral, organizational, and institutional changes typically are means to achieve desired energy, resource, or greenhouse gas emission outcomes. They are not ends in and of themselves.

  20. QER- Comment of Institute for Energy Research

    Broader source: Energy.gov [DOE]

    The Institute for Energy Research would like to submit a comment for the DOE's Quadrennial Energy Review. You will find the comment attached, and we would like to be listed as: Institute for Energy Research 1155 15th St Nw, Suite 1900 Washington, D.C. 20005 Thank you for the opportunity to comment!

  1. Catalog, Classification Training Institute | Department of Energy

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

    Catalog, Classification Training Institute Catalog, Classification Training Institute 2016 Classification Training Course Catalog. To ensure that all classification and declassification decisions are based on these principles, the Office of Classification has undertaken the establishment and maintenance of a comprehensive classification and declassification education program. The training and education program is perpetually evolving with new courses and special briefings as events dictate.

  2. Institute of Development Studies Feed | Open Energy Information

    Open Energy Info (EERE)

    International Institute for Sustainable Development (IISD) International Renewable Energy Agency (IRENA) Joint Implementation Network (JIN) Kumasi Institute of Technology and...

  3. Resources on Institutional Change for Sustainability | Department of Energy

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

    Institutional Change » Resources on Institutional Change for Sustainability Resources on Institutional Change for Sustainability The Federal Energy Management Program (FEMP) offers resources to help agencies achieve institutional change in their organizations. Case studies are also available. Publications These publications offer information about institutional change programs. Communities of Practice: A Tool for Creating Institutional Change in Support of the Mission of the Federal Energy

  4. Small drill-hole, gas mini-permeameter probe

    DOE Patents [OSTI]

    Molz, III, Fred J.; Murdoch, Lawrence C.; Dinwiddie, Cynthia L.; Castle, James W.

    2002-12-03

    The distal end of a basic tube element including a stopper device with an expandable plug is positioned in a pre-drilled hole in a rock face. Rotating a force control wheel threaded on the tube element exerts force on a sleeve that in turn causes the plug component of the stopper means to expand and seal the distal end of the tube in the hole. Gas under known pressure is introduced through the tube element. A thin capillary tube positioned in the tube element connects the distal end of the tube element to means to detect and display pressure changes and data that allow the permeability of the rock to be determined.

  5. Instability of black hole formation in gravitational collapse

    SciTech Connect (OSTI)

    Joshi, Pankaj S.; Malafarina, Daniele

    2011-01-15

    We consider here the classic scenario given by Oppenheimer, Snyder, and Datt, for the gravitational collapse of a massive matter cloud, and examine its stability under the introduction of small tangential stresses. We show, by offering an explicit class of physically valid tangential stress perturbations, that an introduction of tangential pressure, however small, can qualitatively change the final fate of collapse from a black hole final state to a naked singularity. This shows instability of black hole formation in collapse and sheds important light on the nature of cosmic censorship hypothesis and its possible formulations. The key effect of these perturbations is to alter the trapped surface formation pattern within the collapsing cloud and the apparent horizon structure. This allows the singularity to be visible, and implications are discussed.

  6. Small drill-hole, gas mini-permeameter probe

    DOE Patents [OSTI]

    Molz, III, Fred J.; Murdoch, Lawrence C.; Dinwiddie, Cynthia L.; Castle, James W.

    2002-01-01

    The distal end of a basic tube element including a stopper device with an expandable plug is positioned in a pre-drilled hole in a rock face. Rotating a force control wheel threaded on the tube element exerts force on a sleeve that in turn causes the plug component of the stopper means to expand and seal the distal end of the tube in the hole. Gas under known pressure is introduced through the tube element. A thin capillary tube positioned in the tube element connects the distal end of the tube element to means to detect and display pressure changes and data that allow the permeability of the rock to be determined.

  7. Electrodeposited cobalt sulfide hole collecting layer for polymer solar cells

    SciTech Connect (OSTI)

    Zampetti, Andrea; De Rossi, Francesca; Brunetti, Francesca; Reale, Andrea; Di Carlo, Aldo; Brown, Thomas M., E-mail: thomas.brown@uniroma2.it [CHOSE (Centre for Hybrid and Organic Solar Energy), Department of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome (Italy)

    2014-08-11

    In polymer solar cells based on the blend of regioregular poly(3-hexylthiophene) (P3HT) and phenyl-C61-butyric acid methyl ester, the hole collecting layer has to be endowed with its ionization potential close to or greater than that of P3HT (?5?eV). Conductive polymer blends such as poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) and metal oxides such as vanadium pentoxide (V{sub 2}O{sub 5}) and molybdenum trioxide (MoO{sub 3}) satisfy this requirement and have been the most common materials used so far in bulk heterojunction structures. We report here cobalt sulfide (CoS) to be a promising hole collecting material deposited by convenient and room temperature electrodeposition. By simply tuning the CoS electrodeposition parameters, power conversion efficiencies similar (within 15%) to a reference structure with PEDOT:PSS were obtained.

  8. All or nothing: On the small fluctuations of two-dimensional string theoretic black holes

    SciTech Connect (OSTI)

    Gilbert, Gerald; Raiten, Eric

    1992-10-01

    A comprehensive analysis of small fluctuations about two-dimensional string-theoretic and string-inspired black holes is presented. It is shown with specific examples that two-dimensional black holes behave in a radically different way from all known black holes in four dimensions. For both the SL(2,R)/U(1) black hole and the two-dimensional black hole coupled to a massive dilaton with constant field strength, it is shown that there are a {\\it continuous infinity} of solutions to the linearized equations of motion, which are such that it is impossible to ascertain the classical linear response. It is further shown that the two-dimensional black hole coupled to a massive, linear dilaton admits {\\it no small fluctuations at all}. We discuss possible implications of our results for the Callan-Giddings-Harvey-Strominger black hole.

  9. Selected stratigraphic data for drill holes located in Frenchman Flat, Nevada Test Site. Rev. 1

    SciTech Connect (OSTI)

    Drellack, S.L. Jr.

    1997-02-01

    Stratigraphic data are presented in tabular form for 72 holes drilled in Frenchman Flat, Nevada Test Site, between 1950 and 1993. Three pairs of data presentations are included for each hole: depth to formation tops, formation thicknesses, and formation elevations are presented in both field (English) and metric units. Also included for each hole, where available, are various construction data (hole depth, hole diameter, surface location coordinates) and certain information of hydrogeologic significance (depth to water level, top of zeolitization). The event name is given for holes associated with a particular nuclear test. An extensive set of footnotes is included, which indicates data sources and provides other information. The body of the report describes the stratigraphic setting of Frenchman Flat, gives drill-hole naming conventions and database terminology, and provides other background and reference material.

  10. Particle-hole symmetry broken pseudogap in high temperature superconductors

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

    Particle-hole symmetry broken pseudogap in high temperature superconductors High-temperature (Tc) superconductivity is one of the most important topics in condensed matter physics. Despite extensive studies over more than two decades, the microscopic mechanism of high temperature superconductivity still remains elusive due to many unconventional properties that are not well understood. Among them, the most mysterious behavior of high-Tc superconductor is the nature of so called

  11. Two Electron Holes in Hematite Facilitate Water Splitting

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

    Two Electron Holes in Hematite Facilitate Water Splitting Print Hydrogen is an attractive form of fuel because its only by-product is nonpolluting water vapor. The problem, however, is that the production of hydrogen-via the process of water splitting-currently requires the burning of traditional fossil fuels. Therefore, water splitting by photoelectrochemical cells (PECs) fueled by solar power has long been a primary goal of sustainable energy research. One roadblock to this goal is that the

  12. Two Electron Holes in Hematite Facilitate Water Splitting

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

    Two Electron Holes in Hematite Facilitate Water Splitting Print Hydrogen is an attractive form of fuel because its only by-product is nonpolluting water vapor. The problem, however, is that the production of hydrogen-via the process of water splitting-currently requires the burning of traditional fossil fuels. Therefore, water splitting by photoelectrochemical cells (PECs) fueled by solar power has long been a primary goal of sustainable energy research. One roadblock to this goal is that the

  13. Two Electron Holes in Hematite Facilitate Water Splitting

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

    Two Electron Holes in Hematite Facilitate Water Splitting Print Hydrogen is an attractive form of fuel because its only by-product is nonpolluting water vapor. The problem, however, is that the production of hydrogen-via the process of water splitting-currently requires the burning of traditional fossil fuels. Therefore, water splitting by photoelectrochemical cells (PECs) fueled by solar power has long been a primary goal of sustainable energy research. One roadblock to this goal is that the

  14. Two Electron Holes in Hematite Facilitate Water Splitting

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

    Two Electron Holes in Hematite Facilitate Water Splitting Print Hydrogen is an attractive form of fuel because its only by-product is nonpolluting water vapor. The problem, however, is that the production of hydrogen-via the process of water splitting-currently requires the burning of traditional fossil fuels. Therefore, water splitting by photoelectrochemical cells (PECs) fueled by solar power has long been a primary goal of sustainable energy research. One roadblock to this goal is that the

  15. Two Electron Holes in Hematite Facilitate Water Splitting

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

    Two Electron Holes in Hematite Facilitate Water Splitting Print Hydrogen is an attractive form of fuel because its only by-product is nonpolluting water vapor. The problem, however, is that the production of hydrogen-via the process of water splitting-currently requires the burning of traditional fossil fuels. Therefore, water splitting by photoelectrochemical cells (PECs) fueled by solar power has long been a primary goal of sustainable energy research. One roadblock to this goal is that the

  16. Method of comparison equations for Schwarzschild black holes

    SciTech Connect (OSTI)

    Casadio, Roberto; Luzzi, Mattia

    2006-10-15

    We employ the method of comparison equations to study the propagation of a massless minimally coupled scalar field on the Schwarzschild background. In particular, we show that this method allows us to obtain explicit approximate expressions for the radial modes with energy below the peak of the effective potential which are fairly accurate over the whole region outside the horizon. This case can be of particular interest, for example, for the problem of black hole evaporation.

  17. Institutional plan. Fiscal year, 1997--2002

    SciTech Connect (OSTI)

    1996-10-01

    The Institutional Plan is the culmination of Argonne`s annual planning cycle. The document outlines what Argonne National Laboratory (ANL) regards as the optimal development of programs and resources in the context of national research and development needs, the missions of the Department of Energy and Argonne National Laboratory, and pertinent resource constraints. It is the product of ANL`s internal planning process and extensive discussions with DOE managers. Strategic planning is important for all of Argonne`s programs, and coordination of planning for the entire institution is crucial. This Institutional Plan will increasingly reflect the planning initiatives that have recently been implemented.

  18. Electron vortex magnetic holes: A nonlinear coherent plasma structure

    SciTech Connect (OSTI)

    Haynes, Christopher T. Burgess, David; Sundberg, Torbjorn; Camporeale, Enrico

    2015-01-15

    We report the properties of a novel type of sub-proton scale magnetic hole found in two dimensional particle-in-cell simulations of decaying turbulence with a guide field. The simulations were performed with a realistic value for ion to electron mass ratio. These structures, electron vortex magnetic holes (EVMHs), have circular cross-section. The magnetic field depression is associated with a diamagnetic azimuthal current provided by a population of trapped electrons in petal-like orbits. The trapped electron population provides a mean azimuthal velocity and since trapping preferentially selects high pitch angles, a perpendicular temperature anisotropy. The structures arise out of initial perturbations in the course of the turbulent evolution of the plasma, and are stable over at least 100 electron gyroperiods. We have verified the model for the EVMH by carrying out test particle and PIC simulations of isolated structures in a uniform plasma. It is found that (quasi-)stable structures can be formed provided that there is some initial perpendicular temperature anisotropy at the structure location. The properties of these structures (scale size, trapped population, etc.) are able to explain the observed properties of magnetic holes in the terrestrial plasma sheet. EVMHs may also contribute to turbulence properties, such as intermittency, at short scale lengths in other astrophysical plasmas.

  19. Global solutions for higher-dimensional stretched small black holes

    SciTech Connect (OSTI)

    Chen, C.-M.; Gal'tsov, Dmitri V.; Ohta, Nobuyoshi; Orlov, Dmitry G.

    2010-01-15

    Small black holes in heterotic string theory have a vanishing horizon area at the supergravity level, but the horizon is stretched to the finite radius AdS{sub 2}xS{sup D-2} geometry once higher curvature corrections are turned on. This has been demonstrated to give good agreement with microscopic entropy counting. Previous considerations, however, were based on the classical local solutions valid only in the vicinity of the event horizon. Here we address the question of global existence of extremal black holes in the D-dimensional Einstein-Maxwell-Dilaton theory with the Gauss-Bonnet term introducing a variable dilaton coupling a as a parameter. We show that asymptotically flat black holes exist only in a bounded region of the dilaton couplings 0=}5 (but not for D=4) the allowed range of a includes the heterotic string values. For a>a{sub cr} numerical solutions meet weak naked singularities at finite radii r=r{sub cusp} (spherical cusps), where the scalar curvature diverges as |r-r{sub cusp}|{sup -1/2}. For D{>=}7 cusps are met in pairs, so that solutions can be formally extended to asymptotically flat infinity choosing a suitable integration variable. We show, however, that radial geodesics cannot be continued through the cusp singularities, so such a continuation is unphysical.

  20. Quenching of Excitons by Holes in Poly(3-hexylthiophene) Films

    SciTech Connect (OSTI)

    Ferguson, A. J .; Kopidakis, N.; Shaheen, S. E.; Rumbles, G.

    2008-01-01

    The generation of excitons and their interaction with holes in films of neat regioregular poly(3-hexylthiophene) and the polymer blended with 1 wt% of the electron-acceptor [6,6]-phenyl-C{sub 61}-butyric acid methyl ester (PCBM) have been studied using flash-photolysis time-resolved microwave conductivity. The sublinear relationship between the photogenerated hole density and the incident light intensity, in both the neat polymer and the donor-acceptor blend, can be attributed to the quenching of excitons by holes, at a rate characterized by a second-order rate constant ({gamma}{sub 2}) of 3 x 10{sup -8} cm{sup 3}/s. This value is larger than that found for other, luminescent conjugated polymers; the difference may be attributed to a greater collision probability, due to the higher mobility of the interacting species, or to an enhancement of the quenching rate once they are in close proximity. The phenomenon has consequences for the ultimate efficiency of organic photovoltaic solar cells that are based on the simple polymer:PCBM bulk heterojunction, especially under conditions of solar concentration.

  1. OTEC environmental biological oceanographic program

    SciTech Connect (OSTI)

    Hartwig, E.O.

    1981-07-01

    One of the major goals of the OTEC biological field measurement program is to assess the effect of OTEC operations on the environment. Prior understanding of the natural variability of the tropical oceanic plankton community is the most important method for determining changes due to operation of an OTEC plant. The spatial and temporal patterns of the plankton community in terms of absolute number, biomass and species composition have been investigated at potential OTEC sites. Considerable data exist which document the changes with depth of all three measurements. Diel fluctuations in number and species composition have been studied at one site. While horizontal and seasonal patterns of variability likely exist at all sites, they are subtle and remain somewhat unclear. Attempts are now being made to determine the overall trophic structure of the plankton community at these sites using these data, gut content analysis, and information already in the literature.

  2. Minority Serving Institution Internship Program | National Nuclear...

    National Nuclear Security Administration (NNSA)

    Minority Serving Institution Internship Program NNSA strives to recruit and hire a highly ... The MSI Internship Program could be right for you. The MSI Internship Program is a great ...

  3. PROJECT PROFILE: Electric Power Research Institute | Department...

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

    (STEP) SunShot Subprogram: Soft Costs Location: Knoxville, TN SunShot Award Amount: 1,000,000 Awardee Cost Share: 250,000 The Electric Power Research Institute (EPRI) along ...

  4. Summer 2016 Cyclotron Institute REU Program

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

    led by Institute faculty. Students will have the opportunity to share their work via an oral presentation and virtual poster session. Program Dates: May 31st - August 5th, 2016...

  5. Minority Educational Institution Student Partnership Program (MEISPP)

    Broader source: Energy.gov [DOE]

    This program is designed specifically to recruit students from Minority Serving Institutions to intern for 10 weeks during the summer months at DOE Headquarters and field sites.  This is the only...

  6. New Institute for Advanced Composites Manufacturing Innovation...

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

    The Institute will focus on lowering the cost of advanced fiber-reinforced polymer composite materials by 50 percent, reducing the energy used to make composites by 75 percent, and ...

  7. Apply to the Cyclotron Institute REU Program

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

    Apply Now Applying for the 2016 NSF-REU Nuclear Physics and Nuclear Chemistry Program at the Cyclotron Institute (APPLICATION DEADLINE HAS PASSED. Please check back in Fall 2016 to apply for Summer 2017)

  8. Institutional Change Principles for Fostering Sustainability

    Office of Energy Efficiency and Renewable Energy (EERE)

    The following eight principles serve as the foundational building blocks for developing strategies to achieve institutional change—but they are not the strategies themselves. They are derived from...

  9. Institute Recognizes Washington Closure Hanford as International...

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

    December 17, 2015 - 12:05pm Addthis RICHLAND, Wash. - The Project Management Institute (PMI) ... "This was a very special honor for me to attend the PMI Global Congress award ...

  10. Global Energy Network Institute | Open Energy Information

    Open Energy Info (EERE)

    inlineLabel":"","visitedicon":"" Hide Map References: Global Energy Network Institute Web Site1 This article is a stub. You can help OpenEI by expanding it. Global Energy...

  11. VII-14 INSTITUTE COLLOQUIA AND SEMINARS

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

    Seattle Giant Quantum Few-Body Systems May 26 Professor Igal Talmi, Weizmann Institute of Science, Rehovot, Israel The Nclear Shell Model - Older Than 60 Years June 8 Dr. ...

  12. Critical Materials Institute UPDATE | The Ames Laboratory

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

    Critical Materials Institute UPDATE An error occurred. Try watching this video on www.youtube.com, or enable JavaScript if it is disabled in your browser. The Critical Materials...

  13. Ocean Energy Institute | Open Energy Information

    Open Energy Info (EERE)

    think tank established to accelerate offshore wind technology development that hopes to build a 5GW wind project off the coast of Maine. References: Ocean Energy Institute1 This...

  14. Joint Genome Institute's Automation Approach and History

    SciTech Connect (OSTI)

    Roberts, Simon

    2006-07-05

    Department of Energy/Joint Genome Institute (DOE/JGI) collaborates with DOE national laboratories and community users, to advance genome science in support of the DOE missions of clean bio-energy, carbon cycling, and bioremediation.

  15. Cyclotron Institute - Texas A&M

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

    Research", is now available. May 14, 2015 Texas A&M Physics Undergrad Finds Home in ... May 24th, 3:45 PM Professor Klaus Blaum >full listing< Cyclotron Institute Texas A&M ...

  16. Contact Us - Radiation Effects Facility / Cyclotron Institute...

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

    Texas A&M University MS 3366 College Station, TX 77843-3366 Phone: 979-845-1411 Fax: 979-845-1899 Quick Links Radiation Effects Facility Cyclotron Institute Texas A&M ...

  17. Minority Educational Institution Student Partnership Program (MEISPP) |

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

    Department of Energy Minority Educational Institution Student Partnership Program (MEISPP) Minority Educational Institution Student Partnership Program (MEISPP) MEISPP Interns at the Department of Energy Headquarters MEISPP Interns at the Department of Energy Headquarters Come Work for Us! Paid Summer Internships for College Students Cultivating workplace diversity is a valued aspect of our work at the Department. Opportunities for undergraduate and graduate students pursuing degrees in a

  18. Minority Serving Institutions Internship Program | National Nuclear

    National Nuclear Security Administration (NNSA)

    Security Administration | (NNSA) Minority Serving Institutions Internship Program Our Minority Serving Institutions (MSI) Internship Program positions are located in the Washington, D.C. metropolitan area and at our Federal field offices, laboratories, and manufacturing plants. NNSA has facilities in Albuquerque, N.M.; Kansas City, Mo.; Livermore, Calif.; Los Alamos, N.M.; Las Vegas, Nev.; Amarillo, Texas; Aiken, S.C.; and Oak Ridge, Tenn. Selections are made each spring for summer

  19. VI-13 INSTITUTE COLLOQUIA AND SEMINARS

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

    3-March 31, 2014 2013 September 25 Prof. Wilton Catford, Department of Physics, University of Surrey, Guildford, United Kingdom TIARA Detector September 25 Prof. K. A. Gridnev, St. Petersburg State University, St. Petersburg, Russia Extreme Neutron Rich Sector of the Nuclear Chart: New Horizon September 26 Dr. Jiansong Wang, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China Elastic Scattering Studies at RIBLL September 26 Dr. Zhiqiang Chen, Institute of Modern Physics,

  20. About the Cyclotron Institute REU Program

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

    About Our Program Dr. Rapp's group meeting. Each summer the Texas A&M Cyclotron Institute, in conjunction with the National Science Foundation, serves as a Research Experiences for Undergraduates (REU) site. The Institute's REU program focuses on research in nuclear physics and nuclear chemistry. Students are given the opportunity to work closely with internationally renowned scientists at our facility. Oral presentations are held at the end of the program. Undergraduates gain research

  1. Institutional Research & Development | National Nuclear Security

    National Nuclear Security Administration (NNSA)

    Administration | (NNSA) Institutional Research & Development Functions The Office of Advanced Simulation and Computing and Institutional R&D, a program office part of the NNSA Office of Defense Programs, advocates for and manages NNSA's Laboratory Directed Research and Development (LDRD) and Site Directed Research and Development (SDRD) Programs, with SDRD work performed at the Nevada National Security Site (NNSS). This includes providing strategic R&D guidance and support,

  2. Alternative institutional vehicles for geothermal district heating

    SciTech Connect (OSTI)

    Bressler, S.; Gardner, T.C.; King, D.; Nimmons, J.T.

    1980-06-01

    The attributes of various institutional entities which might participate in various phases of geothermal heating applications are described. Public entities considered include cities, counties, and special districts. Private entities discussed include cooperative organizations and non-member-owned private enterprises. The powers, authority and manner of operation of each of the institutional entities are reviewed. Some of the public utility regulatory implications which may affect choices among available alternatives are considered. (MHR)

  3. 2016 Annual Meeting | Critical Materials Institute

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

    2016 Annual Meeting people attending CMI annual meeting 2016 The Critical Materials Institute held its annual meeting August 16-18, 2016, at Oak Ridge National Laboratory. signing ceremony for CRADA between CMI and Oddello Ceremony for signing new CRADA: Critical Materials Institute, Oddello Industries pursue recovery of rare-earth magnets from used hard drives Pictured Standing: Tim McIntyre, ORNL, Energy and Environmental Sciences Directorate; Alex King, CMI Director, Ames Laboratory; Mike

  4. Microsoft Word - InstituteFlyer2016.doc

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

    subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. Call for Applications for the 2016 Sandia National Laboratories Nonlinear Mechanics and Dynamics (NOMAD) Research Institute The 2016 Sandia National Laboratories Nonlinear Mechanics and Dynamics (NOMAD) Research Institute, hosted at the University of New Mexico, is open to graduate students and early career researchers from the US and

  5. National Institute for Global Environmental Change

    SciTech Connect (OSTI)

    Werth, G.C.

    1992-04-01

    This document is the Semi-Annual Report of the National Institute for Global Environmental Change for the reporting period July 1 to December 31, 1991. The report is in two parts. Part I presents the mission of the Institute, examples of progress toward that mission, a brief description of the revised management plan, and the financial report. Part II presents the statements of the Regional Center Directors along with progress reports of the projects written by the researchers themselves.

  6. Complete Project List | Critical Materials Institute

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

    Complete Project List Researchers at the Critical Materials Institute work to find ways to diversify supplies of critical materials, develop substitutes, improve reuse and recycling, enable research, sustain the environment, study the supply chain and analyze economics. The institute started with more than 30 projects. Over time, some have merged or ended and others have been added. This page provides a list of the current CMI projects, which can be sorted by clicking on a column header. Project

  7. The Hydraulic Institute: Who We Are

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

    Hydraulic Institute: Who We Are The Global Authority on Pumps and Pumping Systems As the developer of the universally acclaimed ANSI/HI Pump Standards, a key reference for pump knowledge and end-user specifications, the Hydraulic Institute (HI) provides its members with timely and essential resources for the advancement of their pump industry businesses. HI is also an indispensable asset for business intelligence, professional development, and pump industry leadership and advocacy, serving as

  8. Southface Energy Institute: Advanced Commercial Buildings Initiative

    Broader source: Energy.gov [DOE]

    Lead Performer: Southface Energy Institute – Atlanta, GA Partners: - City of Atlanta – Atlanta, GA - Georgia Institute of Technology – Atlanta, GA - Kendeda Fund – Atlanta, GA - Oak Ridge National Laboratory – Oak Ridge, TN - Acuity Brands Lighting – Atlanta, GA - Vermont Energy Investment Corp – Burlington, VT - Georgia Power– Atlanta, GA - Southeast Energy Efficiency Alliance – Atlanta, GA - JPB Foundation – New York, NY - Central Atlanta Progress – Atlanta, GA

  9. Infrastructure Institutional Change Principle | Department of Energy

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

    Infrastructure Institutional Change Principle Infrastructure Institutional Change Principle Research shows that changes in infrastructure prompt changes in behavior (for better or worse). Federal agencies can modify their infrastructure to promote sustainability-oriented behavior change, ideally in ways that make new behaviors easier and more desirable to follow than existing patterns of behavior. The physical structures, technologies, systems, and processes that constitute the infrastructure of

  10. FORMATION AND EVOLUTION OF CORONAL HOLES FOLLOWING THE EMERGENCE OF ACTIVE REGIONS

    SciTech Connect (OSTI)

    Wang, Y.-M.; Rouillard, A. P.; Sheeley, N. R.; Robbrecht, E.; Thernisien, A. F. R. E-mail: eva.robbrecht@oma.b E-mail: neil.sheeley@nrl.navy.mi

    2010-05-20

    The low level of solar activity over the past four years has provided unusually favorable conditions for tracking the formation and evolution of individual coronal holes and their wind streams. Employing extreme-ultraviolet images recorded with the Solar Terrestrial Relations Observatory during 2007-2009, we analyze three cases in which small coronal holes first appear at the edges of newly emerged active regions and then expand via flux transport processes, eventually becoming attached to the polar holes. The holes form gradually over timescales comparable to or greater than that for the active regions to emerge, without any obvious association with coronal mass ejections. The evolving hole areas coincide approximately with the footpoints of open field lines derived from potential-field source-surface extrapolations of the photospheric field. One of these coronal-hole systems, centered at the equator and maintained by a succession of old-cycle active regions emerging in the same longitude range, persists in one form or another for up to two years. The other two holes, located at midlatitudes and originating from new-cycle active regions, become strongly sheared and decay away after a few rotations. The hole boundaries and the small active-region holes, both of which are sources of slow wind, are observed to undergo continual short-term ({approx_lt}1 day) fluctuations on spatial scales comparable to that of the supergranulation. From in situ measurements, we identify a number of plasma sheets associated with pseudostreamers separating holes of the same polarity.

  11. Regular black holes: Electrically charged solutions, Reissner-Nordstroem outside a de Sitter core

    SciTech Connect (OSTI)

    Lemos, Jose P. S.; Zanchin, Vilson T.

    2011-06-15

    To have the correct picture of a black hole as a whole, it is of crucial importance to understand its interior. The singularities that lurk inside the horizon of the usual Kerr-Newman family of black hole solutions signal an endpoint to the physical laws and, as such, should be substituted in one way or another. A proposal that has been around for sometime is to replace the singular region of the spacetime by a region containing some form of matter or false vacuum configuration that can also cohabit with the black hole interior. Black holes without singularities are called regular black holes. In the present work, regular black hole solutions are found within general relativity coupled to Maxwell's electromagnetism and charged matter. We show that there are objects which correspond to regular charged black holes, whose interior region is de Sitter, whose exterior region is Reissner-Nordstroem, and the boundary between both regions is made of an electrically charged spherically symmetric coat. There are several types of solutions: regular nonextremal black holes with a null matter boundary, regular nonextremal black holes with a timelike matter boundary, regular extremal black holes with a timelike matter boundary, and regular overcharged stars with a timelike matter boundary. The main physical and geometrical properties of such charged regular solutions are analyzed.

  12. A hole modulator for InGaN/GaN light-emitting diodes

    SciTech Connect (OSTI)

    Zhang, Zi-Hui; Kyaw, Zabu; Liu, Wei; Ji, Yun; Wang, Liancheng; Tan, Swee Tiam; Sun, Xiao Wei E-mail: VOLKAN@stanfordalumni.org; Demir, Hilmi Volkan E-mail: VOLKAN@stanfordalumni.org

    2015-02-09

    The low p-type doping efficiency of the p-GaN layer has severely limited the performance of InGaN/GaN light-emitting diodes (LEDs) due to the ineffective hole injection into the InGaN/GaN multiple quantum well (MQW) active region. The essence of improving the hole injection efficiency is to increase the hole concentration in the p-GaN layer. Therefore, in this work, we have proposed a hole modulator and studied it both theoretically and experimentally. In the hole modulator, the holes in a remote p-type doped layer are depleted by the built-in electric field and stored in the p-GaN layer. By this means, the overall hole concentration in the p-GaN layer can be enhanced. Furthermore, the hole modulator is adopted in the InGaN/GaN LEDs, which reduces the effective valance band barrier height for the p-type electron blocking layer from ?332?meV to ?294?meV at 80?A/cm{sup 2} and demonstrates an improved optical performance, thanks to the increased hole concentration in the p-GaN layer and thus the improved hole injection into the MQWs.

  13. Black Holes in the Cosmos, the Lab, and in Fundamental Physics (3/3)

    ScienceCinema (OSTI)

    None

    2011-10-06

    Black holes present the extreme limits of physics. They are ubiquitous in the cosmos, and in some extra-dimensional scenarios they could be produced at colliders. They have also yielded a puzzle that challenges the foundations of physics. These talks will begin with an overview of the basics of black hole physics, and then briefly summarize some of the exciting developments with cosmic black holes. They will then turn to properties of quantum black holes, and the question of black hole production in high energy collisions, perhaps beginning with the LHC. I will then overview the apparent paradox emerging from Hawking's discovery of black hole evaporation, and what it could be teaching us about the foundations of quantum mechanics and gravity.

  14. Numerical renormalization-group study of a Kondo hole in a one-dimensional Kondo insulator

    SciTech Connect (OSTI)

    Yu, C.C.

    1996-12-01

    We have studied a Kondo hole in a one-dimensional Kondo insulator at half-filling using a density matrix formulation of the numerical renormalization group. The Kondo hole introduces midgap states. The spin density introduced by the hole is localized in the vicinity of the hole. It resides primarily in the {ital f} spins for small exchange coupling {ital J} and in the conduction spins for large {ital J}. We present results on the spin gap, charge gap, and neutral gap. The presence of the Kondo hole reduces the charge gap but not the spin gap relative to a Kondo insulator without defects. For small {ital J}, the spin gap is smaller than the charge gap, while for large {ital J}, the spin gap is larger than the charge gap. RKKY interactions are reduced by the Kondo hole as can be seen in the staggered susceptibility. {copyright} {ital 1996 The American Physical Society.}

  15. Does the mass of a black hole decrease due to the accretion of phantom energy?

    SciTech Connect (OSTI)

    Gao Changjun; Chen Xuelei; Faraoni, Valerio; Shen Yougen

    2008-07-15

    According to Babichev et al., the accretion of a phantom test fluid onto a Schwarzschild black hole will induce the mass of the black hole to decrease, however the backreaction was ignored in their calculation. Using new exact solutions describing black holes in a background Friedmann-Robertson-Walker universe, we find that the physical black hole mass may instead increase due to the accretion of phantom energy. If this is the case, and the future universe is dominated by phantom dark energy, the black hole apparent horizon and the cosmic apparent horizon will eventually coincide and, after that, the black hole singularity will become naked in finite comoving time before the big rip occurs, violating the cosmic censorship conjecture.

  16. Black Holes in the Cosmos, the Lab, and in Fundamental Physics (2/3)

    ScienceCinema (OSTI)

    None

    2011-10-06

    Black holes present the extreme limits of physics. They are ubiquitous in the cosmos, and in some extra-dimensional scenarios they could be produced at colliders. They have also yielded a puzzle that challenges the foundations of physics. These talks will begin with an overview of the basics of black hole physics, and then briefly summarize some of the exciting developments with cosmic black holes. They will then turn to properties of quantum black holes, and the question of black hole production in high energy collisions, perhaps beginning with the LHC. I will then overview the apparent paradox emerging from Hawking's discovery of black hole evaporation, and what it could be teaching us about the foundations of quantum mechanics and gravity.

  17. Black Holes in the Cosmos, the Lab, and in Fundamental Physics (1/3)

    ScienceCinema (OSTI)

    None

    2011-10-06

    Black holes present the extreme limits of physics. They are ubiquitous in the cosmos, and in some extra-dimensional scenarios they could be produced at colliders. They have also yielded a puzzle that challenges the foundations of physics. These talks will begin with an overview of the basics of black hole physics, and then briefly summarize some of the exciting developments with cosmic black holes. They will then turn to properties of quantum black holes, and the question of black hole production in high energy collisions, perhaps beginning with the LHC. I will then overview the apparent paradox emerging from Hawking's discovery of black hole evaporation, and what it could be teaching us about the foundations of quantum mechanics and gravity.

  18. Double core hole production in N{sub 2} : beating the auger clock.

    SciTech Connect (OSTI)

    Fang, L.; Hoener, M.; Gessner, O.; Tarantelli, F.; Pratt, S. T.; Kornilov, O.; Buth, C.; Guhr, M.; Kanter, E. P.; Bostedt, C.; Bozek, J. D.; Bucksbaum, P. H.; Chen, M.; Coffee, R.; Cryan, J.; Glownia, J. M.; Kukk, E.; Leone, S. R.; Berrah, N.

    2010-01-01

    We investigate the creation of double K-shell holes in N{sub 2} molecules via sequential absorption of two photons on a time scale shorter than the core-hole lifetime by using intense x-ray pulses from the Linac Coherent Light Source free electron laser. The production and decay of these states is characterized by photoelectron spectroscopy and Auger electron spectroscopy. In molecules, two types of double core holes are expected, the first with two core holes on the same N atom, and the second with one core hole on each N atom. We report the first direct observations of the former type of core hole in a molecule, in good agreement with theory, and provide an experimental upper bound for the relative contribution of the latter type.

  19. Double Core-Hole Production in N{sub 2}: Beating the Auger Clock

    SciTech Connect (OSTI)

    Fang, L.; Berrah, N.; Hoener, M.; Gessner, O.; Kornilov, O.; Tarantelli, F.; Pratt, S. T.; Kanter, E. P.; Buth, C.; Guehr, M.; Bucksbaum, P. H.; Cryan, J.; Glownia, M.; Bostedt, C.; Bozek, J. D.; Coffee, R.; Chen, M.; Kukk, E.; Leone, S. R.

    2010-08-20

    We investigate the creation of double K-shell holes in N{sub 2} molecules via sequential absorption of two photons on a time scale shorter than the core-hole lifetime by using intense x-ray pulses from the Linac Coherent Light Source free electron laser. The production and decay of these states is characterized by photoelectron spectroscopy and Auger electron spectroscopy. In molecules, two types of double core holes are expected, the first with two core holes on the same N atom, and the second with one core hole on each N atom. We report the first direct observations of the former type of core hole in a molecule, in good agreement with theory, and provide an experimental upper bound for the relative contribution of the latter type.

  20. Minimum length, extra dimensions, modified gravity and black hole remnants

    SciTech Connect (OSTI)

    Maziashvili, Michael

    2013-03-01

    We construct a Hilbert space representation of minimum-length deformed uncertainty relation in presence of extra dimensions. Following this construction, we study corrections to the gravitational potential (back reaction on gravity) with the use of correspondingly modified propagator in presence of two (spatial) extra dimensions. Interestingly enough, for r?0 the gravitational force approaches zero and the horizon for modified Schwarzschild-Tangherlini space-time disappears when the mass approaches quantum-gravity energy scale. This result points out to the existence of zero-temperature black hole remnants in ADD brane-world model.

  1. Interacting spins and holes in zigzag edge nanographene

    SciTech Connect (OSTI)

    Dutta, Sudipta; Wakabayashi, Katsunori

    2013-12-04

    We have investigated charge and spin gap properties of zigzag edge graphene nanoribbons (ZGNRs) modeled within Hubbard Hamiltonian with onsite electron-electron interaction using semi-empirical many-body configuration interaction (CI) method. The charge gap behavior resembles the mean-field results, showing minima near Dirac point. We have observed unprecedented gap-less spin excitations over the flat band region. Moreover, doping the ZGNRs with holes reduces both the charge and spin gaps, inducing metallic and magnetic behavior, which can be exploited to fabricate spintronic devices.

  2. Black hole temperature: Minimal coupling vs conformal coupling

    SciTech Connect (OSTI)

    Fazel, Mohamadreza; Mirza, Behrouz; Mansoori, Seyed Ali Hosseini

    2014-05-15

    In this article, we discuss the propagation of scalar fields in conformally transformed spacetimes with either minimal or conformal coupling. The conformally coupled equation of motion is transformed into a one-dimensional Schrödinger-like equation with an invariant potential under conformal transformation. In a second stage, we argue that calculations based on conformal coupling yield the same Hawking temperature as those based on minimal coupling. Finally, it is conjectured that the quasi normal modes of black holes are invariant under conformal transformation.

  3. Entropy localization and extensivity in the semiclassical black hole evaporation

    SciTech Connect (OSTI)

    Casini, H.

    2009-01-15

    I aim to quantify the distribution of information in the Hawking radiation and inside the black hole in the semiclassical evaporation process. The structure of relativistic quantum field theory does not allow one to define a localized entropy unambiguously, but rather forces one to consider the shared information (mutual information) between two different regions of space-time. Using this tool, I first show that the entropy of a thermal gas at the Unruh temperature underestimates the actual amount of (shared) information present in a region of the Rindler space. Then, I analyze the mutual information between the black hole and the late time radiation region. A well-known property of the entropy implies that this is monotonically increasing with time. This means that in the semiclassical picture it is not possible to recover the eventual purity of the initial state in the final Hawking radiation through subtle correlations established during the whole evaporation period, no matter the interactions present in the theory. I find extensivity of the entropy as a consequence of a reduction to a two dimensional conformal problem in a simple approximation. However, the extensivity of information in the radiation region in a full four dimensional calculation seems not to be guaranteed on general grounds. I also analyze the localization of shared information inside the black hole finding that a large amount of it is contained in a small, approximately flat region of space-time near the point where the horizon begins. This gives place to large violations of the entropy bounds. I show that this problem is not eased by backscattering effects and argue that a breaking of conformal invariance is necessary to delocalize the entropy. Finally, I indicate that the mutual information could lead to a way to understand the Bekenstein-Hawking black hole entropy which does not require a drastic reduction in degrees of freedom in order to regulate the entanglement entropy. On the contrary

  4. Two-hole bound states from a systematic low-energy effective field theory for magnons and holes in an antiferromagnet

    SciTech Connect (OSTI)

    Bruegger, C.; Kaempfer, F.; Moser, M.; Wiese, U.-J.; Pepe, M.

    2006-12-01

    Identifying the correct low-energy effective theory for magnons and holes in an antiferromagnet has remained an open problem for a long time. In analogy to the effective theory for pions and nucleons in QCD, based on a symmetry analysis of Hubbard and t-J-type models, we construct a systematic low-energy effective field theory for magnons and holes located inside pockets centered at lattice momenta ({+-}({pi}/2a),{+-}({pi}/2a)). The effective theory is based on a nonlinear realization of the spontaneously broken spin symmetry and makes model-independent universal predictions for the entire class of lightly doped antiferromagnetic precursors of high-temperature superconductors. The predictions of the effective theory are exact, order by order in a systematic low-energy expansion. We derive the one-magnon exchange potentials between two holes in an otherwise undoped system. Remarkably, in some cases the corresponding two-hole Schroedinger equations can even be solved analytically. The resulting bound states have d-wave characteristics. The ground state wave function of two holes residing in different hole pockets has a d{sub x{sup 2}-y{sup 2}}-like symmetry, while for two holes in the same pocket the symmetry resembles d{sub xy}.

  5. News About CMI | Critical Materials Institute

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

    About CMI 2016 How true is conventional wisdom about price volatility of tech metals?, Feb. 11, 2016 2015 Need rare-earths know-how? The Critical Materials Institute offers lower-cost access to experts and research, Dec. 1, 2015 Get schooled in rare-earth metals, Nov. 30, 2015 Speciality Metal Recycling Firm Teams Up with US Critical Materials Institute, Nov. 17, 2015 American Manganese Inc. Enters NDA with U.S. Government's Ames Laboratory on Lithium Ion Battery Recycling, Nov. 12, 2015 Rare

  6. Final Report: Performance Engineering Research Institute

    SciTech Connect (OSTI)

    Mellor-Crummey, John

    2014-10-27

    This document is a final report about the work performed for cooperative agreement DE-FC02-06ER25764, the Rice University effort of Performance Engineering Research Institute (PERI). PERI was an Enabling Technologies Institute of the Scientific Discovery through Advanced Computing (SciDAC-2) program supported by the Department of Energy's Office of Science Advanced Scientific Computing Research (ASCR) program. The PERI effort at Rice University focused on (1) research and development of tools for measurement and analysis of application program performance, and (2) engagement with SciDAC-2 application teams.

  7. Slim Holes At Snake River Plain Region (DOE GTP) | Open Energy...

    Open Energy Info (EERE)

    Community Login | Sign Up Search Page Edit with form History Slim Holes At Snake River Plain Region (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home...

  8. Thermal Gradient Holes At Fish Lake Valley Area (DOE GTP) | Open...

    Open Energy Info (EERE)

    Fish Lake Valley Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Fish Lake Valley Area (DOE GTP)...

  9. Slim Holes At Fish Lake Valley Area (Deymonaz, Et Al., 2008)...

    Open Energy Info (EERE)

    Fish Lake Valley Area (Deymonaz, Et Al., 2008) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Fish Lake Valley Area (Deymonaz, Et...

  10. Slim Holes At Salt Wells Area (Combs, Et Al., 1999) | Open Energy...

    Open Energy Info (EERE)

    Salt Wells Area (Combs, Et Al., 1999) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Salt Wells Area (Combs, Et Al., 1999)...

  11. Searching for mini black holes signatures in cosmic rays air shower

    SciTech Connect (OSTI)

    Lamri, S.; Kalli, S.; Mimouni, J.

    2012-06-27

    Theories with extra dimensions at low Planck scale, offer the exciting possibility of mini black holes production in ultra high-energy particles interactions. In particular, cosmic neutrinos interaction can produce black holes deep in the Earth's atmosphere. These mini black holes then decay and produce 'characteristic' air showers. In this paper, we examine the properties of the mini black holes (mBH) air showers and compare them to the standard model (mSM) ones. We point out to some possible criteria that help distinguishing mBH air showers.

  12. Core Holes At Lake City Hot Springs Area (Benoit Et Al., 2005...

    Open Energy Info (EERE)

    obtained from cuttings in this particular geologic setting. References Dick Benoit, Joe Moore, Colin Goranson, David Blackwell (2005) Core Hole Drilling And Testing At The Lake...

  13. Core Holes At Kilauea East Rift Geothermal Area (Bargar, Et Al...

    Open Energy Info (EERE)

    Kilauea East Rift Geothermal Area (Bargar, Et Al., 1995) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Core Holes At Kilauea East Rift...

  14. Surface geometry of a rotating black hole in a magnetic field...

    Office of Scientific and Technical Information (OSTI)

    Subject: 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; BLACK HOLES; KERR FIELD; ROTATION; DIFFERENTIAL GEOMETRY; EINSTEIN-MAXWELL EQUATIONS; EQUATIONS; FIELD EQUATIONS; ...

  15. Slim Holes At Gabbs Valley Area (DOE GTP) | Open Energy Information

    Open Energy Info (EERE)

    Gabbs Valley Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Gabbs Valley Area (DOE GTP) Exploration Activity...

  16. Slim Holes At Flint Geothermal Area (DOE GTP) | Open Energy Informatio...

    Open Energy Info (EERE)

    Flint Geothermal Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Flint Geothermal Area (DOE GTP) Exploration...

  17. Slim Holes At Black Warrior Area (DOE GTP) | Open Energy Information

    Open Energy Info (EERE)

    Black Warrior Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Black Warrior Area (DOE GTP) Exploration Activity...

  18. Thermal Gradient Holes At Hot Pot Area (DOE GTP) | Open Energy...

    Open Energy Info (EERE)

    Pot Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Hot Pot Area (DOE GTP) Exploration Activity Details...

  19. Thermal Gradient Holes At Fort Bliss Area (DOE GTP) | Open Energy...

    Open Energy Info (EERE)

    Bliss Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Fort Bliss Area (DOE GTP) Exploration Activity...

  20. Slim Holes At Fort Bliss Area (DOE GTP) | Open Energy Information

    Open Energy Info (EERE)

    DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Fort Bliss Area (DOE GTP) Exploration Activity Details Location Fort Bliss...

  1. Slim Holes At Silver Peak Area (DOE GTP) | Open Energy Information

    Open Energy Info (EERE)

    Silver Peak Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Silver Peak Area (DOE GTP) Exploration Activity Details...

  2. Thermal Gradient Holes At Alum Area (DOE GTP) | Open Energy Informatio...

    Open Energy Info (EERE)

    Alum Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Alum Area (DOE GTP) Exploration Activity Details...

  3. Slim Holes At Glass Buttes Area (DOE GTP) | Open Energy Information

    Open Energy Info (EERE)

    Glass Buttes Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Glass Buttes Area (DOE GTP) Exploration Activity...

  4. Slim Holes At Newberry Caldera Area (DOE GTP) | Open Energy Informatio...

    Open Energy Info (EERE)

    DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Newberry Caldera Area (DOE GTP) Exploration Activity Details Location...

  5. Slim Holes At New River Area (DOE GTP) | Open Energy Information

    Open Energy Info (EERE)

    New River Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At New River Area (DOE GTP) Exploration Activity Details...

  6. Slim Holes At Jemez Pueblo Area (DOE GTP) | Open Energy Information

    Open Energy Info (EERE)

    Jemez Pueblo Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Jemez Pueblo Area (DOE GTP) Exploration Activity...

  7. Slim Holes At Hot Pot Area (DOE GTP) | Open Energy Information

    Open Energy Info (EERE)

    Hot Pot Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Hot Pot Area (DOE GTP) Exploration Activity Details Location...

  8. Generalized uncertainty principle in f(R) gravity for a charged black hole

    SciTech Connect (OSTI)

    Said, Jackson Levi; Adami, Kristian Zarb

    2011-02-15

    Using f(R) gravity in the Palatini formularism, the metric for a charged spherically symmetric black hole is derived, taking the Ricci scalar curvature to be constant. The generalized uncertainty principle is then used to calculate the temperature of the resulting black hole; through this the entropy is found correcting the Bekenstein-Hawking entropy in this case. Using the entropy the tunneling probability and heat capacity are calculated up to the order of the Planck length, which produces an extra factor that becomes important as black holes become small, such as in the case of mini-black holes.

  9. Slim Holes At Salton Sea Area (Sabin, Et Al., 2010) | Open Energy...

    Open Energy Info (EERE)

    Salton Sea Area (Sabin, Et Al., 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Slim Holes At Salton Sea Area (Sabin, Et Al., 2010)...

  10. Thermal Gradient Holes At Twenty-Nine Palms Area (Sabin, Et Al...

    Open Energy Info (EERE)

    Sabin, Et Al., 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Twenty-Nine Palms Area (Sabin, Et Al., 2010)...

  11. Terahertz magneto-optical spectroscopy of a two-dimensional hole...

    Office of Scientific and Technical Information (OSTI)

    DOE PAGES Search Results Accepted Manuscript: Terahertz magneto-optical spectroscopy of a two-dimensional hole gas Title: Terahertz magneto-optical spectroscopy of a...

  12. High Temperature Tools and Sensors, Down-hole Pumps and Drilling

    Broader source: Energy.gov [DOE]

    Below are the project presentations and respective peer review results for High Temperature Tools and Sensors, Down-hole Pumps and Drilling.

  13. Thermal Gradient Holes At Silver Peak Area (DOE GTP) | Open Energy...

    Open Energy Info (EERE)

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Silver Peak Area (DOE GTP) Exploration Activity Details Location...

  14. Thermal Gradient Holes At Kilauea East Rift Area (Quane, Et Al...

    Open Energy Info (EERE)

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Kilauea East Rift Area (Quane, Et Al., 2000) Exploration Activity...

  15. Thermal Gradient Holes At Salt Wells Area (Bureau of Land Management...

    Open Energy Info (EERE)

    Salt Wells Area (Bureau of Land Management, 2009) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient Holes At Salt Wells Area...

  16. CX-011570: Categorical Exclusion Determination | Department of Energy

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

    570: Categorical Exclusion Determination CX-011570: Categorical Exclusion Determination Advances in the Recovery of Uranium from Seawater: Studies under Real Ocean Conditions CX(s) Applied: B3.16 Date: 11/14/2013 Location(s): Massachusetts Offices(s): Idaho Operations Office Woods Hole Oceanographic Institution proposes to study the effectiveness of uranium adsorbents using different field testing designs. CX-011570.pdf (15.77 KB) More Documents & Publications CX-012699: Categorical

  17. Primordial Black Holes: Observational characteristics of the final evaporation

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

    Ukwatta, T. N.; Stump, D. R.; Linnemann, J. T.; MacGibbon, J. H.; Marinelli, S. S.; Yapici, T.; Tollefson, K.

    2016-07-01

    For many early universe theories predict the creation of Primordial Black Holes (PBHs). PBHs could have masses ranging from the Planck mass to 105 solar masses or higher depending on the size of the universe at formation. A Black Hole (BH) has a Hawking temperature which is inversely proportional to its mass. Hence a sufficiently small BH will quasi-thermally radiate particles at an ever-increasing rate as emission lowers its mass and raises its temperature. Moreover, the final moments of this evaporation phase should be explosive and its description is dependent on the particle physics model. In this work we investigatemore » the final few seconds of BH evaporation, using the Standard Model and incorporating the most recent Large Hadron Collider (LHC) results, and provide a new parameterization for the instantaneous emission spectrum. We calculate for the first time energy-dependent PBH burst light curves in the GeV/TeV energy range. Moreover, we explore PBH burst search methods and potential observational PBH burst signatures. We have found a unique signature in the PBH burst light curves that may be detectable by GeV/TeV gamma-ray observatories such as the High Altitude Water Cerenkov (HAWC) observatory. Finally, the implications of beyond the Standard Model theories on the PBH burst observational characteristics are also discussed, including potential sensitivity of the instantaneous photon detection rate to a squark threshold in the 5–10 TeV range.« less

  18. CALIBRATING C-IV-BASED BLACK HOLE MASS ESTIMATORS

    SciTech Connect (OSTI)

    Park, Daeseong; Woo, Jong-Hak; Shin, Jaejin [Astronomy Program, Department of Physics and Astronomy, Seoul National University, Seoul 151-742 (Korea, Republic of); Denney, Kelly D., E-mail: pds2001@astro.snu.ac.kr, E-mail: woo@astro.snu.ac.kr, E-mail: jjshin@astro.snu.ac.kr, E-mail: kelly@dark-cosmology.dk [Dark Cosmology Centre, Niels Bohr Institute, Juliane Maries Vej 30, DK-2100 Copenhagen O (Denmark)

    2013-06-20

    We present the single-epoch black hole mass estimators based on the C IV {lambda}1549 broad emission line, using the updated sample of the reverberation-mapped active galactic nuclei and high-quality UV spectra. By performing multi-component spectral fitting analysis, we measure the C IV line widths (FWHM{sub C{sub IV}} and line dispersion, {sigma}{sub C{sub IV}}) and the continuum luminosity at 1350 A (L{sub 1350}) to calibrate the C-IV-based mass estimators. By comparing with the H{beta} reverberation-based masses, we provide new mass estimators with the best-fit relationships, i.e., M{sub BH}{proportional_to}L{sub 1350}{sup 0.50{+-}0.07}{sigma}{sub C{sub IV}{sup 2}} and M{sub BH}{proportional_to}L{sub 1350}{sup 0.52{+-}0.09} FWHM{sub C{sub IV}{sup 0.56{+-}0.48}}. The new C-IV-based mass estimators show significant mass-dependent systematic difference compared to the estimators commonly used in the literature. Using the published Sloan Digital Sky Survey QSO catalog, we show that the black hole mass of high-redshift QSOs decreases on average by {approx}0.25 dex if our recipe is adopted.

  19. GRAVITATIONAL WAVE SIGNATURES IN BLACK HOLE FORMING CORE COLLAPSE

    SciTech Connect (OSTI)

    Cerd-Durn, Pablo; DeBrye, Nicolas; Aloy, Miguel A.; Font, Jos A.; Obergaulinger, Martin

    2013-12-20

    We present general relativistic numerical simulations of collapsing stellar cores. Our initial model consists of a low metallicity rapidly-rotating progenitor which is evolved in axisymmetry with the latest version of our general relativistic code CoCoNuT, which allows for black hole formation and includes the effects of a microphysical equation of state (LS220) and a neutrino leakage scheme to account for radiative losses. The motivation of our study is to analyze in detail the emission of gravitational waves in the collapsar scenario of long gamma-ray bursts. Our simulations show that the phase during which the proto-neutron star (PNS) survives before ultimately collapsing to a black hole is particularly optimal for gravitational wave emission. The high-amplitude waves last for several seconds and show a remarkable quasi-periodicity associated with the violent PNS dynamics, namely during the episodes of convection and the subsequent nonlinear development of the standing-accretion shock instability (SASI). By analyzing the spectrogram of our simulations we are able to identify the frequencies associated with the presence of g-modes and with the SASI motions at the PNS surface. We note that the gravitational waves emitted reach large enough amplitudes to be detected with third-generation detectors such as the Einstein Telescope within a Virgo Cluster volume at rates ? 0.1yr{sup 1}.

  20. Effects of intermediate mass black holes on nuclear star clusters

    SciTech Connect (OSTI)

    Mastrobuono-Battisti, Alessandra; Perets, Hagai B.; Loeb, Abraham

    2014-11-20

    Nuclear star clusters (NSCs) are dense stellar clusters observed in galactic nuclei, typically hosting a central massive black hole. Here we study the possible formation and evolution of NSCs through the inspiral of multiple star clusters hosting intermediate mass black holes (IMBHs). Using an N-body code, we examine the dynamics of the IMBHs and their effects on the NSC. We find that IMBHs inspiral to the core of the newly formed NSC and segregate there. Although the IMBHs scatter each other and the stars, none of them is ejected from the NSC. The IMBHs are excited to high eccentricities and their radial density profile develops a steep power-law cusp. The stars also develop a power-law cusp (instead of the central core that forms in their absence), but with a shallower slope. The relaxation rate of the NSC is accelerated due to the presence of IMBHs, which act as massive perturbers. This in turn fills the loss cone and boosts the tidal disruption rate of stars both by the MBH and the IMBHs to a value excluded by rate estimates based on current observations. Rate estimates of tidal disruptions can therefore provide a cumulative constraint on the existence of IMBHs in NSCs.