Sample records for nmmss closed occasion

  1. 2006 NMMSS Users Training Meeting | National Nuclear Security...

    National Nuclear Security Administration (NNSA)

    532.45 KB Reduced Closing Times (John Ballard) 20.56 KB SRS - Reconciliation (Fay G. Armstrong) 50.93 KB NMMSS Data Quality (Brian Horn) 35.6 KB Reconciliation (John Ballard)...

  2. Microsoft PowerPoint - Upcoming NMMSS Training 120811-NRC comments...

    National Nuclear Security Administration (NNSA)

    Date Course Location December 2-4, 2014 NRC - NMMSS I * Germantown, MD February 10-13, 2015 DOE - NMMSS I Germantown, MD March 24-26, 2015 NRC - NMMSS I * Germantown, MD June...

  3. Microsoft PowerPoint - Upcoming NMMSS Training 2014 and 2015...

    National Nuclear Security Administration (NNSA)

    Training 2014 Date Course Location February 25-28, 2014 DOE - NMMSS I Sandia Nat'l Lab, NM March 25-27, 2014 NRC - NMMSS I* Germantown, MD June 10-12, 2014 DOE - NMMSS II...

  4. Microsoft PowerPoint - 8_Morello NMMSS_2013_Presentation_Morello...

    National Nuclear Security Administration (NNSA)

    Roundtable Discussion on NMMSS Licensee Issues Tom Morello CENG Supervisor - Nuclear Fuel Management Roundtable Discussion on NMMSS Licensee Issues During the 2012 NMMSS...

  5. Microsoft Word - NMMSS Newsletter December 2014 Final.docx

    National Nuclear Security Administration (NNSA)

    December 2014 NMMSS News is sponsored by the Department of Energy and the Nuclear Regulatory Commission. MARK YOUR CALENDAR NMMSS 2015 Annual Users Training Meeting The Nuclear...

  6. Microsoft PowerPoint - 2_JIM_CRABTREE_NMMSS_2014 NMMSS staff...

    National Nuclear Security Administration (NNSA)

    Staff AT THE MEETING 6 Len Myers Special Reports , Financial Reports, Data Analysis Pat Smith Reporting and reconciliation for NRC facilities Karen Antizzo NMMSS daily operations:...

  7. 2008 NMMSS Users Training Meeting | National Nuclear Security...

    National Nuclear Security Administration (NNSA)

    (Felix Killar) 375.16 KB NMMSS Focus and Achievements (Dan Collier) 180.57 KB Communication with NMMSS (Tina Barnett) 164.83 KB National Source Tracking System - NSTS (Paul...

  8. Microsoft PowerPoint - Upcoming NMMSS Training 2014 and 2015...

    National Nuclear Security Administration (NNSA)

    I Germantown, MD December 2-4, 2014 NRC - NMMSS I* Germantown, MD *The NRC-NMMSS I training now includes a model on reconciliation Training Point of Contact: John Ballard,...

  9. NMMSS News Nov 2011.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY2011 NMMSS

  10. NMMSS News Sep 2010.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY2011 NMMSS

  11. What Are the Other Uses of NMMSS? | National Nuclear Security...

    National Nuclear Security Administration (NNSA)

    Other uses are made of NMMSS data and listed below. Changing government programs and political events can expand the user community and alter report distribution patterns....

  12. NMMSS Software Quality Assurance Plan | Department of Energy

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

    Quality Assurance Plan The Software Quality Assurance Plan (SQAP) for the Nuclear Materials Management and Safeguard System (NMMSS) software upgrade project (an actual DOE...

  13. Microsoft PowerPoint - 4_GARY_HIRSH_NMMSS_2014_Gary Hirsch_Monday...

    National Nuclear Security Administration (NNSA)

    Gary L. Hirsch, Link Technologies, Inc. NMMSS Performance Metrics Processing Inventory Records Processing Transaction Records Processing Runs Monthly Closures...

  14. Microsoft PowerPoint - 4_John_Ballard_NMMSS_2013_Presentation...

    National Nuclear Security Administration (NNSA)

    PSI DOE Lead DOENNSA Reconciliation Reconciliation - Facility reported physical inventory balance matches NMMSS generated balances by Reporting Identification Symbol (RIS),...

  15. NMMSS

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page

  16. NMMSS

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY DOE AND NRC

  17. 2007 NMMSS Users Training Meeting | National Nuclear Security...

    National Nuclear Security Administration (NNSA)

    - Agreements for Cooperation and Obligations 73.44 KB Tina Barnett - Current Process for DOE Project Numbers 185.92 KB Tony Escobedo -Electronic Communication with NMMSS 289.12...

  18. Microsoft PowerPoint - 5_Brian and Pete_Year In ReviewNMMSS2013...

    National Nuclear Security Administration (NNSA)

    Regulatory Commission. NMMSS Timeline Year Activity 1964 System development began at Oak Ridge, Tennessee 1965 Inventory and MBR data were added to the system 1968 Transaction...

  19. Microsoft PowerPoint - 1_Thursday 5-23 830 NMMSS_2013_Presentation...

    National Nuclear Security Administration (NNSA)

    data is reported to NMMSS by U.S. industry 3 Simple case, 1 * Exporter statement - one fuel assembly 0001 - 350 kgs EU 15kgs U-235 - No foreign obligations exported * Importer...

  20. Microsoft PowerPoint - 1_BRIAN_HORN_NMMSS Overrview-May 12 2014...

    National Nuclear Security Administration (NNSA)

    NMMSS History * 1940's & 50's: data was hand written into ledgers * 1960's: Mainframe computer & punch cards * Early 1990's: Personal Computer system, using DOS & FoxPro * 2009: PC...

  1. Microsoft PowerPoint - 3_Richard Meehan_Monday_NMMSS_2014_Powerpoint...

    National Nuclear Security Administration (NNSA)

    of NMMSS Data The U.S. must be an example of compliance - Timely and accurate inventory reporting Data Customers - U.S Department of State, Commerce, Defense, NRC, IC...

  2. 2009 NMMSS Users Training Meeting | National Nuclear Security

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICE OF8/%2AAdministration 9 NMMSS Users

  3. 2010 NMMSS Users Training Meeting | National Nuclear Security

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICE OF8/%2AAdministration 9 NMMSS

  4. Commission. The Nuclear Materials Management and Safeguards System (NMMSS) 2014 Annual Users

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNational NuclearhasAdministration77 SandiaGuidance to theJuly 2014 NMMSS News

  5. Microsoft PowerPoint - 1_JESSICA_WHITE-HORTON_NMMSS_2014_JWH+5714+PTS.ppt [Compatibility Mode]

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca Mountain License Application NMMSS

  6. Microsoft PowerPoint - 1_JAMES_ANDERSON_UPDATED_2014-5-14 NMMSS Users Annual Training Meeting - Yucca - Andersen.pptx

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca Mountain License Application NMMSS USERS

  7. The Relationship between Eating Occasions and BMI Percentile in School Children

    E-Print Network [OSTI]

    Goldsbury, Savannah Joell

    2009-04-30T23:59:59.000Z

    measurements to determine BMI percentiles (BMI%). Number of eating occasions per day (EO), and total energy intake (EI) were identified using a multiple pass 24-hr diet recall administered by trained nutrition staff. Correlation analyses were performed...

  8. NMMSS News January 2011

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY DOE ANDIII

  9. NMMSS News July 2011

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY DOE

  10. NMMSS News March 2011

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY2011 Users

  11. NMMSS News May 2011

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY2011 UsersWeb

  12. NMMSS News, March 2006

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page42012 Meeting6 SPONSORED BY

  13. NMMSS Newsletter, March 2009

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page42012 Meeting6 SPONSORED

  14. NMMSS Special Edition, 2011 NMMSS User Meeting, April 2011

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page42012 Meeting6Published

  15. NMMSS News nov 2012.cdr

    National Nuclear Security Administration (NNSA)

    Gary.Hirsch@nnsa.doe.gov John Ballard DOE Lead 0092 John.Ballard@nnsa.doe.gov Patricia Smith NRC Lead 6860 PatriciaR.Smith@nnsa.doe.gov Len Myers Special Requests 2180...

  16. NMMSS News Sept 2011.cdr

    National Nuclear Security Administration (NNSA)

    6870 Gary.Hirsch@hq.doe.gov John Ballard DOE Lead 0092 John.Ballard@hq.doe.gov Patricia Smith NRC Lead 6860 PatriciaR.Smith@hq.doe.gov Len Myers Special Requests 2180...

  17. NMMSS News may 2013.cdr

    National Nuclear Security Administration (NNSA)

    Gary.Hirsch@nnsa.doe.gov John Ballard DOE Lead 0092 John.Ballard@nnsa.doe.gov Patricia Smith NRC Lead 6860 PatriciaR.Smith@nnsa.doe.gov Len Myers Special Requests 2180...

  18. NMMSS News Apr 2010.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY DOE ANDIII

  19. NMMSS News Jan 2012.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY DOE ANDIII -

  20. NMMSS News Jul 2010.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY DOE ANDIII

  1. NMMSS News Mar 2010.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY DOE

  2. NMMSS News Mar 2012.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY

  3. NMMSS News May 2012.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY2011

  4. NMMSS News Nov 2010.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY2011

  5. NMMSS News jan 2013.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY2011

  6. NMMSS News jul 2012.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED

  7. NMMSS News july 2013.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSOREDAchievement

  8. NMMSS News mar 2013.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4

  9. NMMSS News sep 2012.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page42012 Meeting Presentations

  10. NMMSS News sept 2013.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page42012 Meeting

  11. NMMSS Newsletter July 15, 2009

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page42012 Meeting6 SPONSORED

  12. NMMSS Newsletter, April 9, 2009

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page42012 Meeting6 SPONSORED

  13. Scientific Endeavors of A.M. Mathai: An Appraisal on the Occasion of his Eightieth Birthday, April 2015

    E-Print Network [OSTI]

    Haubold, H J

    2015-01-01T23:59:59.000Z

    A.M. Mathai is Emeritus Professor of Mathematics and Statistics at McGill University, Canada, and Director of the Centre for Mathematical and Statistical Sciences, India. He has published over 300 research papers and more than 25 books on topics in mathematics, statistics, physics, astrophysics, chemistry, and biology. He is a Fellow of the Institute of Mathematical Statistics, National Academy of Sciences of India, President of the Mathematical Society of India, and a Member of the International Statistical Institute. He is the founder of the Canadian Journal of Statistics and the Statistical Society of Canada. He is instrumental in the implementation of the United Nations Basic Space Science Initiative. The paper is an attempt to capture the broad spectrum of scientific endeavors of Professor A.M. Mathai at the occasion of his anniversary.

  14. Alien Visitations Close Encounters

    E-Print Network [OSTI]

    Walter, Frederick M.

    Alien Visitations #12;#12;Close Encounters · I: Visual sighting of aerial object (UFO) · II are indeed unidentified. ·Most are Venus. ·Almost certainly none are alien spacecraft Picture from Robert do aliens think? #12;How to Serve Man #12;#12;

  15. Very Cool Close Binaries

    E-Print Network [OSTI]

    J. Scott Shaw; Mercedes Lopez-Morales

    2006-03-28T23:59:59.000Z

    We present new observations of cool <6000K and low mass <1Msun binary systems that have been discovered by searching several modern stellar photometric databases. The search has led to a factor of 10 increase in the number of known cool close eclipsing binary systems.

  16. Proceedings of a symposium on the occasion of the 40th anniversary of the nuclear shell model

    SciTech Connect (OSTI)

    Lee, T.S.H.; Wiringa, R.B. (eds.)

    1990-03-01T23:59:59.000Z

    This report contains papers on the following topics: excitation of 1p-1h stretched states with the (p,n) reaction as a test of shell-model calculations; on Z=64 shell closure and some high spin states of {sup 149}Gd and {sup 159}Ho; saturating interactions in {sup 4}He with density dependence; are short-range correlations visible in very large-basis shell-model calculations ; recent and future applications of the shell model in the continuum; shell model truncation schemes for rotational nuclei; the particle-hole interaction and high-spin states near A-16; magnetic moment of doubly closed shell +1 nucleon nucleus {sup 41}Sc(I{sup {pi}}=7/2{sup {minus}}); the new magic nucleus {sup 96}Zr; comparing several boson mappings with the shell model; high spin band structures in {sup 165}Lu; optical potential with two-nucleon correlations; generalized valley approximation applied to a schematic model of the monopole excitation; pair approximation in the nuclear shell model; and many-particle, many-hole deformed states.

  17. Closing the Mesoscale Gap

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed New SubstationClean Communities of WesternVailCloistered JuneLabClosest TypeClosing

  18. NMMSS I Training | National Nuclear Security Administration

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY DOE ANDI

  19. NMMSS II Training | National Nuclear Security Administration

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY DOE ANDIII

  20. NMMSS News Jan-Feb08

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY DOE ANDIII

  1. NMMSS News-October/November 2005

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page42012 Meeting6 SPONSORED

  2. NMMSS Newsletter, March 16, 2009 Special Edition

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page42012 Meeting6 SPONSORED

  3. NMMSS Reports | National Nuclear Security Administration

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page42012 Meeting6

  4. Close Window MARCH 3, 2003

    E-Print Network [OSTI]

    Close Window MARCH 3, 2003 DEVELOPMENTS TO WATCH Killing Superbugs from Within A common moth may the surface of a flat, thin-film mirror. But these deformable mirror lenses are small--only a few inches

  5. Closed/open string diagrammatics

    E-Print Network [OSTI]

    2006-06-28T23:59:59.000Z

    May 3, 2006 ... R.M. Kaufmann, R.C. Penner / Nuclear Physics B 748 [FS] (2006) 335379. In terms of open/closed theories beyond the topological level, many...

  6. Microsoft PowerPoint - 2_JIM_CRABTREE_NMMSS_2014 NMMSS staff.ppt [Compatibility Mode]

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca Mountain License Application

  7. Window-closing safety system

    DOE Patents [OSTI]

    McEwan, Thomas E. (Livermore, CA)

    1997-01-01T23:59:59.000Z

    A safety device includes a wire loop embedded in the glass of a passenger car window and routed near the closing leading-edge of the window. The wire loop carries microwave pulses around the loop to and from a transceiver with separate output and input ports. An evanescent field only and inch or two in radius is created along the wire loop by the pulses. Just about any object coming within the evanescent field will dramatically reduce the energy of the microwave pulses received back by the transceiver. Such a loss in energy is interpreted as a closing area blockage, and electrical interlocks are provided to halt or reverse a power window motor that is actively trying to close the window.

  8. Window-closing safety system

    DOE Patents [OSTI]

    McEwan, T.E.

    1997-08-26T23:59:59.000Z

    A safety device includes a wire loop embedded in the glass of a passenger car window and routed near the closing leading-edge of the window. The wire loop carries microwave pulses around the loop to and from a transceiver with separate output and input ports. An evanescent field only an inch or two in radius is created along the wire loop by the pulses. Just about any object coming within the evanescent field will dramatically reduce the energy of the microwave pulses received back by the transceiver. Such a loss in energy is interpreted as a closing area blockage, and electrical interlocks are provided to halt or reverse a power window motor that is actively trying to close the window. 5 figs.

  9. Closing Remarks | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Year in Review: Top FiveDepartment ofCarrie NoonanClassificationDepartmentClosing Remarks Closing

  10. Dynamic Tides in Close Binaries

    E-Print Network [OSTI]

    B. Willems

    2005-11-10T23:59:59.000Z

    The basic theory of dynamic tides in close binaries is reviewed. Particular attention is paid to resonances between dynamic tides and free oscillation modes and to the role of the apsidal-motion rate in probing the internal structure of binary components. The discussed effects are generally applicable to stars across the entire Hertzsprung-Russell diagram, including the binary OB-stars discussed at this meeting.

  11. Why Not Consider Closed Universes?

    E-Print Network [OSTI]

    Martin White; Douglas Scott

    1995-08-31T23:59:59.000Z

    We consider structure formation and CMB anisotropies in a closed universe, both with and without a cosmological constant. The CMB angular power spectrum and the matter transfer function are presented, along with a discussion of their relative normalization. This represents the first full numerical evolution of density perturbations and anisotropies in a spherical geometry. We extend the likelihood function vs. Omega from the COBE 2-year data to Omega>=1. For large Omega the presence of a very steep rise in the spectrum towards low ell allows us to put an upper limit of Omega<=1.5 (95%CL) for primordial spectra with n<=1. This compares favorably with existing limits on Omega. We show that there are a range of closed models which are consistent with observational constraints while being even older than the currently popular flat models with a cosmological constant. Future constraints from degree scale CMB data may soon probe this region of parameter space. A derivation of the perturbed Einstein, fluid and Boltzmann equations for open and closed geometries is presented in an appendix.

  12. Singularities and Closed String Tachyons

    SciTech Connect (OSTI)

    Silverstein, Eva; /SLAC /Stanford U., Phys. Dept.

    2006-03-17T23:59:59.000Z

    A basic problem in gravitational physics is the resolution of spacetime singularities where general relativity breaks down. The simplest such singularities are conical singularities arising from orbifold identifications of flat space, and the most challenging are spacelike singularities inside black holes (and in cosmology). Topology changing processes also require evolution through classically singular spacetimes. I briefly review how a phase of closed string tachyon condensate replaces, and helps to resolve, basic singularities of each of these types. Finally I discuss some interesting features of singularities arising in the small volume limit of compact negatively curved spaces and the emerging zoology of spacelike singularities.

  13. Utrecht University Close Co-operation

    E-Print Network [OSTI]

    Utrecht, Universiteit

    Utrecht University Close Co-operation #12;1 CloseCo-operation Preface 3 TheNextGeneration 18 Facts&Figures 20 Faculty Humanities 4 Faculty Geosciences 6 Faculty Medicine/UniversityMedicalCenter Utrecht 8 VeterinaryMedicine 16 Contents Utrecht University CloseCo-operation #12;3 CloseCo-operation It is a great

  14. Close Encounters Treasure Island: Sequencing Moorea

    E-Print Network [OSTI]

    Wildermuth, Mary C

    Close Encounters Also... Treasure Island: Sequencing Moorea Devon Zagory on Food Safety College Features 12 CLOSE ENCOUNTERS by Claire Cain Miller Passing earth science to the next generation 20 TREASURE ISLAND by Erika Check Barcoding CNR's island research station Departments 2 L

  15. Automatically closing swing gate closure assembly

    DOE Patents [OSTI]

    Chang, Shih-Chih (Richland, WA); Schuck, William J. (Richland, WA); Gilmore, Richard F. (Kennewick, WA)

    1988-01-01T23:59:59.000Z

    A swing gate closure assembly for nuclear reactor tipoff assembly wherein the swing gate is cammed open by a fuel element or spacer but is reliably closed at a desired closing rate primarily by hydraulic forces in the absence of a fuel charge.

  16. tight_nuts_thehub closed_boot

    E-Print Network [OSTI]

    Murphy, Robert F.

    tight_nuts_the­hub closed_boot in_jack_boot in_pump_boot in_wheel1_boot in_wrench_boot inflated_nuts_the­hub closed_boot in_jack_boot in_pump_boot in_wheel1_boot in_wrench_boot inflated_wheel2 on_wheel2_the­hub tight_nuts_the­hub closed_boot in_jack_boot in_pump_boot in_wheel1_boot in_wrench_boot inflated_wheel2

  17. Open vs. closed Apple music distribution platform

    E-Print Network [OSTI]

    Aye, Thida, S.M. Massachusetts Institute of Technology

    2008-01-01T23:59:59.000Z

    In this thesis, based on the example case study of the Apple iTunes-iPods platform technology, two simple models are analyzed to gain a better understanding of open vs. closed business models as management and market ...

  18. Are We Closing the School Discipline Gap?

    E-Print Network [OSTI]

    Losen, Daniel; Hodson, Cheri; Keith II, Michael A; Morrison, Katrina; Belway, Shakti

    2015-01-01T23:59:59.000Z

    D.J. , (Ed). Closing the School Discipline Gap: EquitableBooth, E.A. (2011). Breaking schools rules: A statewidestudy of how school discipline relates to students success

  19. Direct current, closed furnace silicon technology

    SciTech Connect (OSTI)

    Dosaj, V.D. [Dow Corning Corp., Midland, MI (United States); May, J.B. [Dow Corning Corp., Freeland, MI (United States); Arvidson, A.N. [Meadow Materials, Manitoba (Canada)

    1994-05-01T23:59:59.000Z

    The dc closed furnace technology for smelting silicon offers technical operating challenges, as well as, economic opportunities for off-gas recovery, reduced electrode consumption, reduced reductant oxidation losses, reduced energy consumption, and improved silicon recovery. The 10 mva dc closed furnace is located in East Selkirk, Manitoba. Construction of this pilot plant was started in September 1990. Following successful commissioning of the furnace in 1992, a number of smelting tests have been conducted aimed at optimization of the furnace operation and the raw material mix. The operation of a closed furnace is significantly different from an open furnace operation. The major difference being in the mechanical movement of the mix, off-gas recovery, and inability to observe the process. These differences made data collection and analysis critical in making operating decisions. This closed furnace was operated by computer control (state of the art in the smelling industry).

  20. Game Preserves and Closed Areas (Montana)

    Broader source: Energy.gov [DOE]

    Game preserves and closed areas exist within the state of Montana for the protection of all the game animals and birds. Construction and development is limited in these areas. Currently, only three...

  1. PARS II Process Document DOE Period Close

    Broader source: Energy.gov [DOE]

    This document details the process adopted by the Office of Acquisition and Project Management to prepare APM DepSec Monthly Status Report, finalize DOE close period package, and perform reporting...

  2. 2010 NMMSS Users Training Meeting | National Nuclear Security...

    National Nuclear Security Administration (NNSA)

    Recapitalizing Our Infrastructure Countering Nuclear Terrorism About Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Congressional...

  3. 2005 NMMSS Users Training Meeting | National Nuclear Security...

    National Nuclear Security Administration (NNSA)

    Obligations Lessons Learned (Mark Laidlow) 130.46 KB Changes to DOE Directives (Debarah Smith) 46.61 KB Obligations Fuel Fabricators (Rose Martyn) 44.47 KB Obligations Notification...

  4. NMMSS_News_February_2014_FINAL__1_5_2014

    National Nuclear Security Administration (NNSA)

    Team Lead DOE Special Requests (301) 903-0092 John.Ballard@nnsa.doe.gov Patricia Smith Senior Analyst - NRC (301) 903-6860 PatriciaR.Smith@nnsa.doe.gov Len Myers Senior...

  5. Agenda Highlights: 2012 DOE-NRC NMMSS Annual User Training

    National Nuclear Security Administration (NNSA)

    Initiatives U.S.-Australian Cooperation Agreement AwardsRecognitions Update on Blue Ribbon Commission Report (Tentative) Cyber security Issues and Implications GAO report...

  6. 2005 NMMSS Users Training Meeting | National Nuclear Security

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICE OF8/%2A ennike6/%2A en361sunClark

  7. 2006 NMMSS Users Training Meeting | National Nuclear Security

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICE OF8/%2A ennike6/%2A

  8. 2007 NMMSS Users Training Meeting | National Nuclear Security

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICE OF8/%2A ennike6/%2AAdministration 7

  9. 2008 NMMSS Users Training Meeting | National Nuclear Security

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICE OF8/%2A ennike6/%2AAdministration

  10. 2011 NMMSS Users Training Meeting | National Nuclear Security

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICE OF8/%2AAdministration 9

  11. Agenda Highlights: 2012 DOE-NRC NMMSS Annual User Training

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICEACME | NationalTbilisi | National

  12. Establishing or Deactivating a RIS for NMMSS Reporting

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICEACME |Supplement5869Google EarthUSE CODE /

  13. Microsoft Word - 0906 NMMSS News DOE NRC Approved.doc

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca MountainSourceUsers6 SPONSORED BY DOE AND

  14. Microsoft Word - NMMSS News DEC 23 08 Update.doc

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 National NuclearNational

  15. Microsoft Word - NMMSS News NOV 20 08 FINAL.doc

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 National NuclearNationalNovember 20, 2008

  16. Microsoft Word - NMMSS News OCT 15 08 Update.doc

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 National NuclearNationalNovember 20, 2008

  17. Microsoft Word - NMMSS News OCT 21 08 Update.doc

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 National NuclearNationalNovember 20, 2008

  18. Microsoft Word - NMMSS Newsletter December 2014 Final.docx

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 National NuclearNationalNovember 20,

  19. NMMSS Fill-able Forms | National Nuclear Security Administration

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY DOE AND

  20. NMMSS News Jan 2010 Spec Edition.cdr

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page4 SPONSORED BY DOE ANDIII

  1. NMMSS_News_February_2014_FINAL__1_5_2014

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page42012

  2. NMMSS Information, Reports & Forms | National Nuclear Security

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNational Nuclear SecurityNationalApplyMaintaining ForN x NSecurity| National

  3. What is the History of the NMMSS? | National Nuclear Security...

    National Nuclear Security Administration (NNSA)

    as illustrative. The commercial sector used the AEC Form 388 to report transaction data and Form 578 to report material balance data. The government operations used Forms 101...

  4. 2011 NMMSS Users Training Meeting | National Nuclear Security...

    National Nuclear Security Administration (NNSA)

    Working at NNSA Blog Home About Us Our Programs Defense Nuclear Security Nuclear Materials Management & Safeguards System Training Annual Users Training Meeting...

  5. 2009 NMMSS Users Training Meeting | National Nuclear Security...

    National Nuclear Security Administration (NNSA)

    Working at NNSA Blog Home About Us Our Programs Defense Nuclear Security Nuclear Materials Management & Safeguards System Training Annual Users Training Meeting...

  6. Slide 1

    National Nuclear Security Administration (NNSA)

    2014 Date Course Location February 25-28, 2014 DOE - NMMSS I Sandia Nat'l Lab, New Mexico March 25-27, 2014 NRC - NMMSS I* Germantown, MD June 10-12, 2014 DOE-NMMSS II Germantown,...

  7. Slide 1

    National Nuclear Security Administration (NNSA)

    Date Course Location September 9-12, 2014 DOE - NMMSS I Germantown, MD December 2-4, 2014 NRC - NMMSS I * Germantown, MD February 10-13, 2015 DOE - NMMSS I Germantown, MD March...

  8. Slide 1

    National Nuclear Security Administration (NNSA)

    2015 Date Course Location February 10-13, 2015 DOE - NMMSS I Germantown, MD March 24-26, 2015 NRC - NMMSS I * Germantown, MD June 9-11, 2015 DOE - NMMSS II Pantex Plant Amarillo,...

  9. Microsoft PowerPoint - 11_Interactive Session on NMMSS _Monday_NMMSS_2014_Powerpoint_TEMPLATE.ppt [Compatibility Mode]

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNational NuclearhasAdministration77NuclearSecurityAdministratorInteractive

  10. DOCS SCMP (ANNOTATED OUTLINE)

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

    NMMSS PROJECT NMMSS UPGRADE SOFTWARE CONFIGURATION MANAGEMENT PLAN September 2001 Doc No: 135-PL-300A Revision: 1 REVIEWS AND APPROVALS Prepared by: ...

  11. Microsoft PowerPoint - 8_JIM_CRABTREE_JOHN_BALLARD_UPDATED_NMMSSTraini...

    National Nuclear Security Administration (NNSA)

    managers - Depends on available NMMSS training resources and number of students - No cost to you for NMMSS instructor and training materials - For DOE courses, personnel from...

  12. Augmented Reality for Close Quarters Combat

    SciTech Connect (OSTI)

    None

    2013-09-20T23:59:59.000Z

    Sandia National Laboratories has developed a state-of-the-art augmented reality training system for close-quarters combat (CQB). This system uses a wearable augmented reality system to place the user in a real environment while engaging enemy combatants in virtual space (Boston Dynamics DI-Guy). Umbra modeling and simulation environment is used to integrate and control the AR system.

  13. Database Transposition for Constrained (Closed) Pattern Mining

    E-Print Network [OSTI]

    Paris-Sud XI, Universit de

    Database Transposition for Constrained (Closed) Pattern Mining Baptiste Jeudy1 and Francois Rioult pat- terns in databases with pathological size. For example, experiments in genome biology usually provide databases with thousands of attributes (genes) but only tens of objects (experiments

  14. Closed timelike curves in general relativity

    E-Print Network [OSTI]

    W. B. Bonnor

    2002-11-13T23:59:59.000Z

    Many solutions of Einstein's field equations contain closed timelike curves (CTC). Some of these solutions refer to ordinary materials in situations which might occur in the laboratory, or in astrophysics. It is argued that, in default of a reasonable interpretation of CTC, general relativity does not give a satisfactory account of all phenomena within its terms of reference.

  15. Closing Digital Divides, Increasing Digital Literacy

    E-Print Network [OSTI]

    Acton, Scott

    people s media ecology #12;2. MOBILE SHIFT #12;#12;THE MOBILE PARADOX #12;Are all digital media Closing Digital Divides, Increasing Digital Literacy S. Craig Watkins The University of Texas at Austin #12;4Shifts #12;1. Digital divides & Participation gaps (Jenkins 2006; Watkins 2012) #12;Young

  16. Print this Page Close The nuclear deal

    E-Print Network [OSTI]

    'Entity List', which was drawn up outside the non-proliferation laws after our nuclear weapon tests league. B At least in the eyes of the United States, India is now a nuclear weapons state. The gamblePrint this Page Close The nuclear deal July 20, 2005 | 19:05 ISTT P Sreenivasan | y assuming

  17. print close Sat 2 Apr 2005

    E-Print Network [OSTI]

    and decommissioning the station, or the problem of nuclear proliferation and states getting hold of the materialprint close Sat 2 Apr 2005 Global warming fuels call to invest in nuclear fusion JAMES REYNOLDS grail of nuclear fusion to help tackle global warming. Sir David King, who last night gave the opening

  18. Augmented Reality for Close Quarters Combat

    ScienceCinema (OSTI)

    None

    2014-06-23T23:59:59.000Z

    Sandia National Laboratories has developed a state-of-the-art augmented reality training system for close-quarters combat (CQB). This system uses a wearable augmented reality system to place the user in a real environment while engaging enemy combatants in virtual space (Boston Dynamics DI-Guy). Umbra modeling and simulation environment is used to integrate and control the AR system.

  19. Closed Loop Recycling of PreservativeClosed Loop Recycling of Preservative Treated WoodTreated Wood

    E-Print Network [OSTI]

    Closed Loop Recycling of PreservativeClosed Loop Recycling of Preservative Treated WoodTreated Wood.2 million cubic meters) of lumber treated with CCA are produced annually in the United States (Micklewright 1998). ·In 1997, for example, some 581.4 million cu. ft. was treated with waterborne preservatives

  20. DisClose: Discovering Colossal Closed Itemsets via a Memory Efficient Compact Row-Tree

    SciTech Connect (OSTI)

    Zulkurnain, Nurul F.; Keane, John A.; Haglin, David J.

    2013-02-01T23:59:59.000Z

    Itemset mining has recently focused on discovery of frequent itemsets from high-dimensional datasets with relatively few rows and a larger number of items. With exponentially in-creasing running time as average row length increases, mining such datasets renders most conventional algorithms impracti-cal. Unfortunately, large cardinality closed itemsets are likely to be more informative than small cardinality closed itemsets in this type of dataset. This paper proposes an approach, called DisClose, to extract large cardinality (colossal) closed itemsets from high-dimensional datasets. The approach relies on a memory-efficient Compact Row-Tree data structure to represent itemsets during the search process. The search strategy explores the transposed representation of the dataset. Large cardinality itemsets are enumerated first followed by smaller ones. In addition, we utilize a minimum cardinality threshold to further reduce the search space. Experimental result shows that DisClose can complete the extraction of colossal closed itemsets in the considered dataset, even for low support thresholds. The algorithm immediately discovers closed itemsets without needing to check if each new closed itemset has previously been found.

  1. From a closed piecewise geodesic to a constriction on a closed triangulated Franck Hetroy, Dominique Attali

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    From a closed piecewise geodesic to a constriction on a closed triangulated surface Franck H. In particular, con- strictions are periodic geodesics. We use constrictions in order to segment objects. In [4], we proposed an ap- proach based on progressive surface simplification and local geodesic computation

  2. Closed inflationary universe in patch cosmology

    SciTech Connect (OSTI)

    Campo, Sergio del [Instituto de Fisica, Pontificia Universidad Catolica de Valparaiso, Avenida Brasil 2950, Casilla 4059, Valparaiso (Chile)], E-mail: sdelcamp@ucv.cl; Herrera, Ramon [Instituto de Fisica, Pontificia Universidad Catolica de Valparaiso, Avenida Brasil 2950, Casilla 4059, Valparaiso (Chile)], E-mail: ramon.herrera@ucv.cl; Saavedra, Joel [Instituto de Fisica, Pontificia Universidad Catolica de Valparaiso, Avenida Brasil 2950, Casilla 4059, Valparaiso (Chile)], E-mail: joel.saavedra@ucv.cl; Labrana, Pedro [Departamento de Fisica, Universidad del BioBio, Avenida Collao 1202, Casilla 5-C, Concepcion (Chile)], E-mail: plabrana@ubiobio.cl

    2009-09-15T23:59:59.000Z

    In this paper, we study closed inflationary universe models using the Gauss-Bonnet Brane. We determine and characterize the existence of a universe with {omega}>1, with an appropriate period of inflation. We have found that this model is less restrictive in comparison with the standard approach where a scalar field is considered. We use recent astronomical observations to constrain the parameters appearing in the model.

  3. Collaborative Lubricating Oil Study on Emissions (CLOSE) Project...

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

    CLOSE) Project Collaborative Lubricating Oil Study on Emissions (CLOSE) Project Extensive chemical and physical characterization performed on emissions from normal and high...

  4. Sec. Moniz to Georgia, Energy Department Scheduled to Close on...

    Energy Savers [EERE]

    to Georgia, Energy Department Scheduled to Close on Loan Guarantees to Construct New Nuclear Power Plant Reactors Sec. Moniz to Georgia, Energy Department Scheduled to Close...

  5. Closed-field capacitive liquid level sensor

    DOE Patents [OSTI]

    Kronberg, J.W.

    1995-01-01T23:59:59.000Z

    A liquid level sensor based on a closed field circuit comprises a ring oscillator using a symmetrical array of plate units that creates a displacement current. The displacement current varies as a function of the proximity of a liquid to the plate units. The ring oscillator circuit produces an output signal with a frequency inversely proportional to the presence of a liquid. A continuous liquid level sensing device and a two point sensing device are both proposed sensing arrangements. A second set of plates may be located inside of the probe housing relative to the sensing plate units. The second set of plates prevent any interference between the sensing plate units.

  6. Microrheology close to an equilibrium phase transition

    SciTech Connect (OSTI)

    Reinhardt, J.; Scacchi, A.; Brader, J. M., E-mail: joseph.brader@unifr.ch [Department of Physics, University of Fribourg, CH-1700 Fribourg (Switzerland)

    2014-04-14T23:59:59.000Z

    We investigate the microstructural and microrheological response to a tracer particle of a two-dimensional colloidal suspension under thermodynamic conditions close to a liquid-gas phase boundary. On the liquid side of the binodal, increasing the velocity of the (repulsive) tracer leads to the development of a pronounced cavitation bubble, within which the concentration of colloidal particles is strongly depleted. The tendency of the liquid to cavitate is characterized by a dimensionless colloidal cavitation number. On the gas side of the binodal, a pulled (attractive) tracer leaves behind it an extended trail of colloidal liquid, arising from downstream advection of a wetting layer on its surface. For both situations the velocity dependent friction is calculated.

  7. Thermal vacancies in close-packing solids

    E-Print Network [OSTI]

    Mostafa Mortazavifar; Martin Oettel

    2013-11-20T23:59:59.000Z

    Based on Stillinger's version of cell cluster theory, we derive an expression for the equilibrium concentration of thermal monovacancies in solids which allows for a transparent interpretation of the vacancy volume and the energetic/entropic part in the corresponding Gibbs energy of vacancy formation $\\Delta G_{\\rm v}$. For the close--packing crystals of the hard sphere and Lennard--Jones model systems very good agreement with simulation data is found. Application to metals through the embedded--atom method (EAM) reveals a strong sensitivity of the variation of $\\Delta G_{\\rm v}$ with temperature to details of the EAM potential. Our truncation of the cell cluster series allows for an approximate, but direct measurement of crystal free energies and vacancy concentration in colloidal model systems using laser tweezers.

  8. Quantum fields on closed timelike curves

    SciTech Connect (OSTI)

    Pienaar, J. L.; Myers, C. R.; Ralph, T. C. [School of Mathematics and Physics, The University of Queensland, Brisbane 4072, Queensland (Australia)

    2011-12-15T23:59:59.000Z

    Recently, there has been much interest in the evolution of quantum particles on closed timelike curves (CTCs). However, such models typically assume pointlike particles with only two degrees of freedom; a very questionable assumption given the relativistic setting of the problem. We show that it is possible to generalize the Deutsch model of CTCs to fields using the equivalent circuit formalism. We give examples for coherent, squeezed, and single-photon states interacting with the CTC via a beamsplitter. The model is then generalized further to account for the smooth transition to normal quantum mechanics as the CTC becomes much smaller than the size of the modes interacting on it. In this limit, we find that the system behaves like a standard quantum-mechanical feedback loop.

  9. Keeping Cool Close to the Sun

    SciTech Connect (OSTI)

    Hazi, A

    2006-01-13T23:59:59.000Z

    The germanium detector in the gamma-ray spectrometer (GRS) aboard the MESSENGER spacecraft is only the size and weight of a can of peaches but will play a critical role in investigating Mercury, the planet closest to the Sun. The MESSENGER (MErcury Surface, Space ENvironment, GEochemistry, and Ranging) spacecraft travels at about 38 kilometers per second and is named after the scientific goals of the mission. It is the first spacecraft to visit Mercury since 1975. MESSENGER must take an oblique route to approach Mercury so that it does not fly past the planet and fall directly into the Sun. The spacecraft will travel 7.9 billion kilometers, flying by Earth once, Venus twice, and Mercury three times before settling into orbit around this mysterious planet. Of all the terrestrial planets, which include Venus, Earth, and Mars, Mercury is the smallest and the densest; its days are 176 Earth days long, two complete orbits of the planet around the Sun. Temperatures range from a high of 450 C on the Sun side during its long day to a low of -185 C on its night side. By studying this extreme planet, scientists hope to better understand how Earth formed and evolved. The GRS, one of the seven lightweight scientific instruments on MESSENGER, will be used to help scientists determine the abundance of elements in Mercury's crust, including the materials that might be ice at its poles. Livermore engineer Norman Madden led the West Coast team effort to design and build the GRS in a collaboration led by Johns Hopkins University Applied Physics Laboratory (JHUAPL). The team included Lawrence Berkeley and Lawrence Livermore national laboratories as well as University of California at Berkeley (UCB) Space Sciences Laboratory (SSL). The JHUAPL MESSENGER project is a National Aeronautics and Space Administration (NASA) Discovery Mission. Because the detector needs to operate at very low temperatures and MESSENGER is close to the Sun, the thermal design to protect the detector was critical. The detector is kept cool by an electromechanical cryocooler attached to the outside of the device. However, the cryocooler has a limited cooling capacity because of size and weight constraints. To ensure the cryocooler would sufficiently cool the detector, Livermore scientists used SINDA/FLUINT, a commercial program originally developed by NASA, to model the thermal environments that the spectrometer was expected to encounter--during liftoff, in space while en route to Mercury, and in orbit around the planet. Using the data from the model, scientists from Lawrence Livermore and Lawrence Berkeley developed a design that included three closely spaced and highly reflective thermal shields held in place with DuPont KEVLAR{reg_sign} fiber.

  10. Detection Rates for Close Binaries Via Microlensing

    E-Print Network [OSTI]

    B. Scott Gaudi; Andrew Gould

    1996-06-17T23:59:59.000Z

    Microlensing is one of the most promising methods of reconstructing the stellar mass function down to masses even below the hydrogen-burning limit. The fundamental limit to this technique is the presence of unresolved binaries, which can in principle significantly alter the inferred mass function. Here we quantify the fraction of binaries that can be detected using microlensing, considering specifically the mass ratio and separation of the binary. We find that almost all binary systems with separations greater than $b \\sim 0.4$ of their combined Einstein ring radius are detectable assuming a detection threshold of $3\\%$. For two M dwarfs, this corresponds to a limiting separation of $\\gsim 1 \\au$. Since very few observed M dwarfs have companions at separations $\\lsim 1 \\au$, we conclude that close binaries will probably not corrupt the measurements of the mass function. We find that the detectability depends only weakly on the mass ratio. For those events for which individual masses can be determined, we find that binaries can be detected down to $b \\sim 0.2$.

  11. Spedding entry closed due to falling debris | The Ames Laboratory

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

    Spedding entry closed due to falling debris Facilities and Engineering Services, with concurrence from ESH&A, has closed the front (north) entrance of Spedding Hall to all but...

  12. Microsoft Word - PARS II Process Document - Close Period 2013...

    Office of Environmental Management (EM)

    distributing and archiving of reports; and close period activities. PROCESS The Monthly Report and Close Period process starts on the 1 st working day of the reporting month. The...

  13. Joint JGI-EMSL call closes April 7 | EMSL

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

    JGI-EMSL call closes April 7 Joint JGI-EMSL call closes April 7 Combine the power of genomics and molecular characterization The 2014 call for Collaborative Science Initiative...

  14. Closed loop cooling operation with MICON. Revision 1

    SciTech Connect (OSTI)

    Navarro, G.E.

    1995-01-18T23:59:59.000Z

    Document provides instructions for testing the closed loop cooling operation with the MICON Computer System at PFP.

  15. December 8, 2011 FRONTIER HALL WINTER BREAK CLOSING INFORMATION

    E-Print Network [OSTI]

    Janssen, Michel

    December 8, 2011 FRONTIER HALL WINTER BREAK CLOSING INFORMATION Frontier Hall will officially close directly before you leave. After 8pm you will no longer be able to access Frontier Hall. Please keep will need during this time. We cannot let you back into Frontier once we have closed for break. If you

  16. Infrared Properties of Close Pairs of Galaxies

    E-Print Network [OSTI]

    Margaret J. Geller; Scott J. Kenyon; Elizabeth J. Barton; Thomas H. Jarrett; Lisa J. Kewley

    2006-08-02T23:59:59.000Z

    We discuss spectroscopy and infrared photometry for a complete sample of ~ 800 galaxies in close pairs objectively selected from the CfA2 redshift survey. We use 2MASS to compare near infrared color-color diagrams for our sample with the Nearby Field Galaxy Sample and with a set of IRAS flux-limited pairs from Surace et al. We construct a basic statistical model to explore the physical sources of the substantial differences among these samples. The model explains the spread of near infrared colors and is consistent with a picture where central star formation is triggered by the galaxy-galaxy interaction before a merger occurs. For 160 galaxies we report new, deep JHK photometry within our spectroscopic aperture and we use the combined spectroscopic and photometric data to explore the physical conditions in the central bursts. We find a set of objects with H-K >= 0.45 and with a large F(FIR)/F(H). We interpret the very red H-K colors as evidence for 600-1000 K dust within compact star-forming regions, perhaps similar to super-star clusters identified in individual well-studied interacting galaxies. The galaxies in our sample are candidate ``hidden'' bursts or, possibly, ``hidden'' AGN. Over the entire pair sample, both spectroscopic and photometric data show that the specific star formation rate decreases with the projected separation of the pair. The data suggest that the near infrared color-color diagram is also a function of the projected separation; all of the objects with central near infrared colors indicative of bursts of star formation lie at small projected separation.

  17. Register Closing Effects on Forced Air Heating System Performance

    SciTech Connect (OSTI)

    Walker, Iain S.

    2003-11-01T23:59:59.000Z

    Closing registers in forced air heating systems and leaving some rooms in a house unconditioned has been suggested as a method of quickly saving energy for California consumers. This study combined laboratory measurements of the changes in duct leakage as registers are closed together with modeling techniques to estimate the changes in energy use attributed to closing registers. The results of this study showed that register closing led to increased energy use for a typical California house over a wide combination of climate, duct leakage and number of closed registers. The reduction in building thermal loads due to conditioning only a part of the house was offset by increased duct system losses; mostly due to increased duct leakage. Therefore, the register closing technique is not recommended as a viable energy saving strategy for California houses with ducts located outside conditioned space. The energy penalty associated with the register closing technique was found to be minimized if registers furthest from the air handler are closed first because this tends to only affect the pressures and air leakage for the closed off branch. Closing registers nearer the air handler tends to increase the pressures and air leakage for the whole system. Closing too many registers (more than 60%) is not recommended because the added flow resistance severely restricts the air flow though the system leading to safety concerns. For example, furnaces may operate on the high-limit switch and cooling systems may suffer from frozen coils.

  18. Energy Department Receives Prestigious Closing the Circle Awards...

    Office of Environmental Management (EM)

    four White House Closing the Circle (CTC) awards, which recognize federal leadership in green purchasing, electronics recycling, and energy efficiency practices. These awards are...

  19. Fact #850: December 8, 2014 Automatic Transmissions have closed...

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

    Historically, manual transmissions have delivered better fuel economy than automatic transmissions. However, improvements in the efficiency of automatic transmissions have closed...

  20. 98th LHCC meeting Agenda OPEN Session and CLOSED Session

    ScienceCinema (OSTI)

    None

    2011-10-06T23:59:59.000Z

    OPEN Session on Wednesday, 8 July at 9h00-11h00 in Main Auditorium, Live webcast, followed by CLOSED Session, Conference room 160-1-009 11h20-17h00. CLOSED Session continued on Thursday, 9 July at 9h00-12h30

  1. Free Minor Closed Classes and the Kuratowski theorem. Dainis ZEPS

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Free Minor Closed Classes and the Kuratowski theorem. Dainis ZEPS Abstract Free-minor closed classes [2] and free-planar graphs [3] are considered. Versions of Kuratowski-like theorem for free example is free-planar graphs [3]. A planar graph is called free-planar, if after adding an arbitrary edge

  2. Closed-loop control of anesthesia in children 1 Robust closed-loop control of induction and

    E-Print Network [OSTI]

    : During closed-loop control, a drug infusion is continually adjusted according to a measure of clinical. Remifentanil was administered as a bolus (0.5 g/kg), followed by continuous infusion (0.03 g/kg/min). The propofol infusion was closed-loop controlled throughout induction and maintenance of anesthesia, using

  3. Closed chamber drill stem test detects deep damage

    SciTech Connect (OSTI)

    Berkstresser, M.

    1982-02-01T23:59:59.000Z

    Closed chamber drill stem tests are a relatively new development in drill stem testing. The technique was originated to reduce operational and safety problems caused by hydrate formation during conventional drill stem tests in the Canadian Arctic. During the 1970s, closed chamber testing found widespread acceptance in Canada and is now becoming more widely used in the US. The closed chamber testing method is used in conjunction with conventional drill stem testing tools and equipment. The only additional requirement is a means of continuously monitoring pressure at the surface; therefore, the method can be conducted anywhere conventional drill stem testing equipment is available. The advantage and disadvantages of the system are discussed.

  4. Closed form solutions for symmetric water filling games

    E-Print Network [OSTI]

    Closed form solutions for symmetric water filling games E. Altman INRIA Sophia Antipolis, France Email: altman@sophia.inria.fr K. Avrachenkov INRIA Sophia Antipolis, France Email: k.avrachenkov@sophia

  5. Geothermal: Sponsored by OSTI -- A closed-form analytical solution...

    Office of Scientific and Technical Information (OSTI)

    A closed-form analytical solution for thermal single-well injection withdrawal tests Geothermal Technologies Legacy Collection HelpFAQ | Site Map | Contact Us HomeBasic Search...

  6. Direct-contact closed-loop heat exchanger

    DOE Patents [OSTI]

    Berry, Gregory F. (Naperville, IL); Minkov, Vladimir (Skokie, IL); Petrick, Michael (Joliet, IL)

    1984-01-01T23:59:59.000Z

    A high temperature heat exchanger with a closed loop and a heat transfer liquid within the loop, the closed loop having a first horizontal channel with inlet and outlet means for providing direct contact of a first fluid at a first temperature with the heat transfer liquid, a second horizontal channel with inlet and outlet means for providing direct contact of a second fluid at a second temperature with the heat transfer liquid, and means for circulating the heat transfer liquid.

  7. "Closed-loop" analysis of a thermo-charged capacitor

    E-Print Network [OSTI]

    Germano D'Abramo

    2014-05-02T23:59:59.000Z

    In this Letter, an explicit application of conservation of energy and zero net work principle around a closed path ("closed-loop" analysis) is carried out on a thermo-charged capacitor at equilibrium with ambient heat at uniform temperature. This analysis corroborates the results of previous studies [Phys.Lett.A 374 (2010) 1801, Physica A 390 (2011) 481] that a potential drop $\\Delta V$ does actually occur at capacitor terminals.

  8. Spectrum of Initial Perturbations in Open and Closed Inflationary Models

    E-Print Network [OSTI]

    A. A. Starobinsky

    1996-03-15T23:59:59.000Z

    Spectrum of initial scalar and tensor perturbations created during an inflationary stage producing a closed or open FRW universe now is discussed. In the closed case, the CMB temperature anisotropy ${\\Delta T/T}$ generated by scalar perturbations is enhanced for low multipoles. It is argued that in the open case there is no suppression of low multipoles. A possibility of the existence of a preferred space direction in the open case is noted.

  9. Microsoft PowerPoint - 5_CARL_BURGER-JOHN_BALLARD_Preview of DOE and NMMSS NMMSS Training Courses_rev2.ppt [Compatibility Mode]

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca Mountain

  10. On the Occasion of the Birthday of Walter Kohn

    E-Print Network [OSTI]

    Geller, Michael R.

    direction as the "Eislaufverein" (an ice-skating rink next to the main concert hall), where he often went

  11. LED Lights for All Occasions | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces and Interfaces Sample Environment: Magnet and6 th7525T3ScoringimpactsLED

  12. 3D printing rises to the occasion | ornl.gov

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNGExperience hands-onASTROPHYSICS H.CarbonMarch Value4 3.P D AT E3D3D3D

  13. Some results on optimum allocation for sampling on two occasions

    E-Print Network [OSTI]

    Shimizugawa, Hisako

    1966-01-01T23:59:59.000Z

    The author expresses her sincerest appreciation to Dr. J. R. K. Rao for his guidance throughout this study and for his invaluable assis- tanoe in the preparation of this manuscript. Sincerest appreciation is expressed to the committee members, Dr. R. J.... Optimum allocation of m and u fcr the estimation of Y when the total oost is fixed to cO + c R . n 21 2. Optimum allocation of m and u. for the estimation of Y when the total cost is fixed to cO + c n, (i. e. , u R n). The minimum variance of y ~ (1/Q...

  14. Closed loop drilling systems can eliminate reserve pit costs

    SciTech Connect (OSTI)

    Astrella, L.; Wiemers, R. [Environmental Equipment Corp., Denver, CO (United States)

    1996-05-27T23:59:59.000Z

    Closed loop systems have become more dependable and efficient, making drilling without a mud pit an economically attractive alternative in many drilling programs. A closed loop system is defined simply as a mechanical and chemical system which will allow an operator to drill a well without using a reserve pit. A closed loop system includes some solids control equipment (such as the shaker, desander, desilter, and proper centrifuge), which may already be on the rig, and a polymer flocculation unit, which is not part of a conventional rig`s solids control system. This paper reviews the various methods of flocculation and the performance of the different units. It then goes on to describe costs and regulations associated with both methods of handling drilling wastes.

  15. Method Of Making Closed End Ceramic Fuel Cell Tubes

    DOE Patents [OSTI]

    Borglum, Brian P. (Edgewood, PA)

    2002-04-30T23:59:59.000Z

    A method of manufacturing closed end ceramic fuel cell tubes with improved properties and higher manufacturing yield is disclosed. The method involves bonding an unfired cap to a hollow unfired tube to form a compound joint. The assembly is then fired to net shape without subsequent machining. The resultant closed end tube is superior in that it provides a leak-tight seal and its porosity is substantially identical to that of the tube wall. The higher manufacturing yield associated with the present method decreases overall fuel cell cost significantly.

  16. Anionic Salt Programs for Close-Up Dry Cows

    E-Print Network [OSTI]

    Stokes, Sandra R.

    1998-12-17T23:59:59.000Z

    .5 to 1.8 percent of dry mat- ter (dietary supplementation between 150 and 200 grams calcium per day). 4 Set dietary phosphorus at about 0.4 percent (dietary sup- ply between 35 and 50 grams of phosphorus per day). n Monitor the urine pH of close-up dry... that contrib- ute both anions and cations to the balance. They do not affect DCAD. Although dietary DCAD is relatively easy to cal- culate, monitoring urine pH of close-up dry cows is a more accurate way to determine the diet?s impact on an animal?s acid...

  17. Albert Einstein's close friends and colleagues from the Patent Office

    E-Print Network [OSTI]

    Weinstein, Galina

    2012-01-01T23:59:59.000Z

    In the Patent Office Einstein hatched his most beautiful ideas, and there he spent his "Happy Bern Years". These wonderful ideas led to his miraculous year works of 1905. Einstein was not an expert in academic matters, and he was out of academic world. Neither did he meet influential professors, or attend academic meetings. He discussed his ideas with his close friends and colleagues from the Patent Office. In 1907 he finally got his foot into the academic doorway; Einstein became a privatdozent and gave lectures at the University of Bern. However, his first students consisted again of his two close friends and another colleague from the Patent Office.

  18. DETERMINATION OF GUIDANCE VALUES FOR CLOSED LANDFILL GAS EMISSIONS

    E-Print Network [OSTI]

    Boyer, Edmond

    DETERMINATION OF GUIDANCE VALUES FOR CLOSED LANDFILL GAS EMISSIONS O. BOUR*, S. BERGER**, C Gambetta, 74 000 Annecy SUMMARY: In order to promote active landfill gas collection and treatment or natural attenuation, it is necessary to identify trigger values concerning landfill gas emissions

  19. Thermodynamics and Relativity: Possible Consequences of their Close Link

    E-Print Network [OSTI]

    Jean-Louis Tane

    2008-05-25T23:59:59.000Z

    The first part of this paper is a summary of a hypothesis previously advanced, suggesting the existence of a close link between thermodynamics and relativity. The second part is a preliminary comment about some possible consequences in the fields of physics, astronomy and biology.

  20. CHARM: An Efficient Algorithm for Closed Association Rule Mining

    E-Print Network [OSTI]

    Bystroff, Chris

    . It is also linearly scalable in the number of transactions and the number of closed itemsets found. 1) that frequently occur in many database records or transactions, and to extract the rules telling us how a subset is in market basket analysis, where the items represent products and the records the point­of­sales data

  1. CHARM: An Efficient Algorithm for Closed Association Rule Mining

    E-Print Network [OSTI]

    Bystroff, Chris

    . It is also linearly scalable in the number of transactions and the number of closed itemsets found. 1) that frequently occur in many database records or transactions, and to extract the rules telling us how a subset is in market basket analysis, where the items represent products and the records the point-of-sales data

  2. Benefits and concerns of a closed nuclear fuel cycle

    SciTech Connect (OSTI)

    Widder, Sarah H.

    2010-11-17T23:59:59.000Z

    Nuclear power can play an important role in our energy future, contributing to increasing electricity demand while at the same time decreasing carbon dioxide emissions. However, the nuclear fuel cycle in the United States today is unsustainable. As stated in the 1982 Nuclear Waste Policy Act, the U.S. Department of Energy is responsible for disposing of spent nuclear fuel generated by commercial nuclear power plants operating in a once-through fuel cycle in the deep geologic repository located at Yucca Mountain. However, unyielding political opposition to the site has hindered the commissioning process to the extant that the current administration has recently declared the unsuitability of the Yucca Mountain site. In light of this the DOE is exploring other options, including closing the fuel cycle through recycling and reprocessing of spent nuclear fuel. The possibility of closing the fuel cycle is receiving special attention because of its ability to minimize the final high level waste (HLW) package as well as recover additional energy value from the original fuel. The technology is, however, still very controversial because of the increased cost and proliferation risk it can present. To lend perspective on the closed fuel cycle alternative, this presents the arguments for and against closing the fuel cycle with respect to sustainability, proliferation risk, commercial viability, waste management, and energy security.

  3. Error Analysis on ClosedForm Solutions for Kinematic Calibration

    E-Print Network [OSTI]

    Chen, Sheng-Wei

    and even for designing a robot head or a robot arm when considering the calibration task. In this paper, we@iis.sinica.edu.tw #12; 2 Abstract Many closed­form solutions have been developed for calibrating robot kinematic method using 3D point measurements for calibrating robot kinematic parameters. Relatively less work has

  4. Classical and quantum pumping in closed systems Doron Cohen*

    E-Print Network [OSTI]

    Cohen, Doron

    Classical and quantum pumping in closed systems Doron Cohen* Department of Physics, Ben 17 December 2004 by M. Heiblum Available online 6 January 2005 Abstract Pumping of charge (Q for classical dissipative pumping, classical adiabatic pumping, and in particular we make an explicit

  5. 96th LHCC meeting Agenda OPEN Session and CLOSED Session

    ScienceCinema (OSTI)

    None

    2011-10-06T23:59:59.000Z

    OPEN Session on Wednesday, 19 November 2008 at 9h00-11h00 in Main Auditorium, Live webcast. Followed by CLOSED Session , 6th floor Conference room and continued on Thursday, 20 November 2008 9h00-13h00

  6. Close encounters involving free-floating planets in star clusters

    E-Print Network [OSTI]

    Wang, Long; Zheng, Xiaochen; Church, Ross P; Davies, Melvyn B

    2015-01-01T23:59:59.000Z

    Instabilities in planetary systems can result in the ejection of planets from their host system, resulting in free-floating planets (FFPs). If this occurs in a star cluster, the FFP may remain bound to the star cluster for some time and interact with the other cluster members until it is ejected. Here, we use $N$-body simulations to characterise close star-planet and planet-planet encounters and the dynamical fate of the FFP population in star clusters containing $500-2000$ single or binary star members. We find that FFPs ejected from their planetary system at low velocities typically leave the star cluster 40% earlier than their host stars, and experience tens of close ($planets before they escape. The fraction of FFPs that experiences a close encounter depends on both the stellar density and the initial velocity distribution of the FFPs. Approximately half of the close encounters occur within the first 30 Myr, and only 10% occur after 100 Myr. The periastron vel...

  7. The CSU Graduation Initiative Closing the Achievement Gap

    E-Print Network [OSTI]

    Su, Xiao

    Graduation Initiative is part of the nationwide Access to Success project of the National Association to Graduation 7 #12;Tracking and Reporting Consistent evaluation of project results is a critical componentThe CSU Graduation Initiative Closing the Achievement Gap Executive Vice Chancellor Jeri Echeverria

  8. Closed-Loop Energy Management Control of Large Industrial Facilities

    E-Print Network [OSTI]

    Childress, R. L.

    A case study is presented of a closed-loop control system installed and running at a Pulp and Paper facility in the southeast. A fuzzy logic, ruled-based control system optimally loads multiple steam turbines for maximum electrical generation, while...

  9. A Note on Arbitrage and Closed Convex Cones Walter Schachermayer #

    E-Print Network [OSTI]

    Schachermayer, Walter

    , P) = {0}. If C is closed (w.r. to the norm­topology in the case 1 # p r. to the weak of Dellacherie and Mokobodzki on the characterisation of semi­martingales. In 1990 C. Stricker ([St 90, Theorem 1

  10. Robust phase demodulation of interferograms with open or closed fringes

    E-Print Network [OSTI]

    Rivera, Mariano

    Investigacion en Matematicas A.C., Apdo. Postal 402, Guanajuato, Gto. Mexico 36000 mrivera@cimat.mx We present in the analysis of fringe patterns is the processing of closed fringe patterns. This problem has captured if the processed fringe pattern has a wide band, it is not normalized and it is corrupted by noise. In this paper

  11. Separation of Azeotropic Mixtures in Closed Batch Distillation Arrangements

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Separation of Azeotropic Mixtures in Closed Batch Distillation Arrangements S. Skouras and S to obtain a light and a heavy fraction simultaneously from the top and the bottom of the column, while an intermediate fraction may also be recovered in the middle vessel. Two modifications of the multivessel

  12. A new closed loop control method for HVDC transmission

    SciTech Connect (OSTI)

    Karlecik-Maier, F. [Siemens AG, Erlangen (Germany)] [Siemens AG, Erlangen (Germany)

    1996-10-01T23:59:59.000Z

    The paper presents a new closed loop control method which uses information locally available at each converter station and combines and coordinates control possibilities with the objective of improving the dynamic behavior during fault recoveries and disturbances around the operating points.

  13. NON-CLOSED CURVES IN Rn WITH FINITE TOTAL FIRST

    E-Print Network [OSTI]

    Gilkey, Peter B

    ], and Kondo and Tanaka [14] have examined the global properties of the total curvature of a curveNON-CLOSED CURVES IN Rn WITH FINITE TOTAL FIRST CURVATURE ARISING FROM THE SOLUTIONS OF AN ODE P finite total first curvature. If all the roots of the associated characteristic polynomial are simple, we

  14. Close-packed array of light emitting devices

    DOE Patents [OSTI]

    Ivanov, Ilia N.; Simpson, John T.

    2013-04-09T23:59:59.000Z

    A close-packed array of light emitting diodes includes a nonconductive substrate having a plurality of elongate channels extending therethrough from a first side to a second side, where each of the elongate channels in at least a portion of the substrate includes a conductive rod therein. The conductive rods have a density over the substrate of at least about 1,000 rods per square centimeter and include first conductive rods and second conductive rods. The close-packed array further includes a plurality of light emitting diodes on the first side of the substrate, where each light emitting diode is in physical contact with at least one first conductive rod and in electrical contact with at least one second conductive rod.

  15. Generation of Closed Timelike Curves with Rotating Superconductors

    E-Print Network [OSTI]

    Clovis Jacinto de Matos

    2007-01-19T23:59:59.000Z

    The spacetime metric around a rotating SuperConductive Ring (SCR) is deduced from the gravitomagnetic London moment in rotating superconductors. It is shown that theoretically it is possible to generate Closed Timelike Curves (CTC) with rotating SCRs. The possibility to use these CTC's to travel in time as initially idealized by G\\"{o}del is investigated. It is shown however, that from a technology and experimental point of view these ideas are impossible to implement in the present context.

  16. Operational Results of a Closed Brayton Cycle Test-Loop

    SciTech Connect (OSTI)

    Wright, Steven A.; Lipinski, Ronald J.; Brown, Nicholas [Sandia National Laboratories, Org 6872 MS-1146, PO Box 5800 Albuquerque, New Mexico 87185 (United States); Fuller, Robert; Nichols, Kenneth [Barber Nichols 6325 W 55th Ave., Arvada, Colorado 80002 (United States)

    2005-02-06T23:59:59.000Z

    A number of space and terrestrial power system designs plan to use nuclear reactors that are coupled to Closed-loop Brayton Cycle (CBC) systems to generate electrical power. Because very little experience exists regarding the operational behavior of these systems, Sandia National Laboratories (through its Laboratory Directed Research and Development program) is developing a closed-loop test bed that can be used to determine the operational behavior of these systems and to validate models for these systems. Sandia has contracted Barber-Nichols Corporation to design, fabricate, and assemble a Closed-loop Brayton Cycle (CBC) system. This system was developed by modifying commercially available hardware. It uses a 30 kWe Capstone C-30 gas-turbine unit (www.capstoneturbine.com) with a modified housing that permits the attachment of an electrical heater and a water cooled chiller that are connected to the turbo-machinery in a closed loop. The test-loop reuses the Capstone turbine, compressor, and alternator. The Capstone system's nominal operating point is 1150 K turbine inlet temperature at 96,000 rpm. The annular recuperator and portions of the Capstone control system (inverter) and starter system are also reused. The rotational speed of the turbo-machinery is controlled either by adjusting the alternator load by either using the electrical grid or a separate load bank. This report describes the test-loop hardware SBL-30 (Sandia Brayton Loop-30kWe). Also presented are results of early testing and modeling of the unit. The SBL-30 hardware is currently configured with a heater that is limited to 80 kWth with a maximum outlet temperature of {approx}1000 K.

  17. Operational results of a Closed Brayton Cycle test-loop.

    SciTech Connect (OSTI)

    Fuller, Robert (Barber Nichols, Arvada, Colorado); Wright, Steven Alan; Nichols, Kenneth Graham. (Barber Nichols, Arvada, Colorado); Brown, Nicholas; Lipinski, Ronald J.

    2004-11-01T23:59:59.000Z

    A number of space and terrestrial power system designs plan to use nuclear reactors that are coupled to Closed-loop Brayton Cycle (CBC) systems to generate electrical power. Because very little experience exists regarding the operational behavior of these systems, Sandia National Laboratories (through its Laboratory Directed Research and Development program) is developing a closed-loop test bed that can be used to determine the operational behavior of these systems and to validate models for these systems. Sandia has contracted Barber-Nichols Corporation to design, fabricate, and assemble a Closed-loop Brayton Cycle (CBC) system. This system was developed by modifying commercially available hardware. It uses a 30 kWe Capstone C-30 gas-turbine unit (www.capstoneturbine.com) with a modified housing that permits the attachment of an electrical heater and a water cooled chiller that are connected to the turbo-machinery in a closed loop. The test-loop reuses the Capstone turbine, compressor, and alternator. The Capstone system's nominal operating point is 1150 K turbine inlet temperature at 96,000 rpm. The annular recuperator and portions of the Capstone control system (inverter) and starter system are also reused. The rotational speed of the turbo-machinery is controlled either by adjusting the alternator load by either using the electrical grid or a separate load bank. This report describes the test-loop hardware SBL-30 (Sandia Brayton Loop-30kWe). Also presented are results of early testing and modeling of the unit. The SBL-30 hardware is currently configured with a heater that is limited to 80 kW{sub th} with a maximum outlet temperature of {approx}1000 K.

  18. A Note on Arbitrage and Closed Convex Cones Walter Schachermayer

    E-Print Network [OSTI]

    Schachermayer, Walter

    the negative orthant Lp -(, F, P) and s.t. C Lp +(, F, P) = {0}. If C is closed (w.r. to the norm-topology in the case 1 p r. to the weak-star topology in the case p = ) there is an element g Lq (, F, P-martingales. In 1990 C. Stricker ([St 90, Theorem 1 and 2]), extended Yan's result and applied it to Mathematical

  19. Heliostat System with Wireless Closed-Loop Control

    Broader source: Energy.gov [DOE]

    This fact sheet summarizes a SunShot Initiative project led by Thermata to develop and demonstrate the first practical heliostat to use closed-loop tracking that can optically sense and control the reflected sunlight beam at the target. The expected benefits of this system include the reduction in the total installed cost of the heliostat field in a power tower concentrating solar power project.

  20. 100th LHCC meeting AGENDA OPEN and CLOSED Sessions

    ScienceCinema (OSTI)

    None

    2011-10-06T23:59:59.000Z

    OPEN Sessions on Wednesday, 17 February at 8h30-13h00 and 18 February at 9h00-11h00 in MAIN AUDITORIUM, CERN staff and Users are welcome to attend Open Sessions - LIVE WEBCAST. CLOSED Sessions in Conference room 60-6-015 Wednesday 17 February at 14h00-19h00 and continued on Thursday, 18 February at 11h00-17h00.

  1. Closed-loop air cooling system for a turbine engine

    DOE Patents [OSTI]

    North, William Edward (Winter Springs, FL)

    2000-01-01T23:59:59.000Z

    Method and apparatus are disclosed for providing a closed-loop air cooling system for a turbine engine. The method and apparatus provide for bleeding pressurized air from a gas turbine engine compressor for use in cooling the turbine components. The compressed air is cascaded through the various stages of the turbine. At each stage a portion of the compressed air is returned to the compressor where useful work is recovered.

  2. Slide 1

    National Nuclear Security Administration (NNSA)

    I Germantown, MD November 3-5, 2015 NRC - NMMSS I * Germantown, MD * The NRC-NMMSS 1 training now includes a model on reconciliation Training Point of Contact: John Ballard,...

  3. U

    National Nuclear Security Administration (NNSA)

    NMMSS Training Held in Atlanta NMMSS training for NRC licensees was held February 15-17, 2005 in Norcross, Georgia at the NAC Corporate Headquarters. The training provided the...

  4. Microsoft PowerPoint - 3_Mister_Monday 5-20 915 Fundamentals...

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    233 X X Neptunium 237 X Plutonium 238 X X Tritium X Deuterium X Californium 252 X WEB WWW.NNSA.ENERGY.GOVNMMSS TRAINING NMMSS Resources (Monday May 20, 11:45) NMMSS...

  5. Microsoft Word - January2006.doc

    National Nuclear Security Administration (NNSA)

    "Examples" in the directory. The latest version of the D-24 is available on the NMMSS web site at www.nmmss.com. 1. Changed the header information on each page from August 2005...

  6. Configuration Management Plan | Department of Energy

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

    & Publications SOFTWARE QUALITY & SYSTEMS ENGINEERING PROGRAM: Software Configuration Management Checklist NMMSS Software Quality Assurance Plan Software Configuration...

  7. Language Technology for Closely Related Languages and Language Variants (LT4CloseLang), pages 7684, October 29, 2014, Doha, Qatar. c 2014 Association for Computational Linguistics

    E-Print Network [OSTI]

    ) between English and two closely related South Slavic lan- guages, namely Croatian and Serbian. The goal promising adap- tation method is using a Croatian-Serbian SMT system trained on a very small cor- pus. 1, but it is possible to acquire corpora con- taining a closely related one. Croatian and Ser- bian are very close

  8. Closed Brayton cycle power conversion systems for nuclear reactors :

    SciTech Connect (OSTI)

    Wright, Steven A.; Lipinski, Ronald J.; Vernon, Milton E.; Sanchez, Travis

    2006-04-01T23:59:59.000Z

    This report describes the results of a Sandia National Laboratories internally funded research program to study the coupling of nuclear reactors to gas dynamic Brayton power conversion systems. The research focused on developing integrated dynamic system models, fabricating a 10-30 kWe closed loop Brayton cycle, and validating these models by operating the Brayton test-loop. The work tasks were performed in three major areas. First, the system equations and dynamic models for reactors and Closed Brayton Cycle (CBC) systems were developed and implemented in SIMULINKTM. Within this effort, both steady state and dynamic system models for all the components (turbines, compressors, reactors, ducting, alternators, heat exchangers, and space based radiators) were developed and assembled into complete systems for gas cooled reactors, liquid metal reactors, and electrically heated simulators. Various control modules that use proportional-integral-differential (PID) feedback loops for the reactor and the power-conversion shaft speed were also developed and implemented. The simulation code is called RPCSIM (Reactor Power and Control Simulator). In the second task an open cycle commercially available Capstone C30 micro-turbine power generator was modified to provide a small inexpensive closed Brayton cycle test loop called the Sandia Brayton test-Loop (SBL-30). The Capstone gas-turbine unit housing was modified to permit the attachment of an electrical heater and a water cooled chiller to form a closed loop. The Capstone turbine, compressor, and alternator were used without modification. The Capstone systems nominal operating point is 1150 K turbine inlet temperature at 96,000 rpm. The annular recuperator and portions of the Capstone control system (inverter) and starter system also were reused. The rotational speed of the turbo-machinery is controlled by adjusting the alternator load by using the electrical grid as the load bank. The SBL-30 test loop was operated at the manufacturers site (Barber-Nichols Inc.) and installed and operated at Sandia. A sufficiently detailed description of the loop is provided in this report along with the design characteristics of the turbo-alternator-compressor set to allow other researchers to compare their results with those measured in the Sandia test-loop. The third task consisted of a validation effort. In this task the test loop was operated and compared with the modeled results to develop a more complete understanding of this electrically heated closed power generation system and to validate the model. The measured and predicted system temperatures and pressures are in good agreement, indicating that the model is a reasonable representation of the test loop. Typical deviations between the model and the hardware results are less than 10%. Additional tests were performed to assess the capability of the Brayton engine to continue to remove decay heat after the reactor/heater is shutdown, to develop safe and effective control strategies, and to access the effectiveness of gas inventory control as an alternative means to provide load following. In one test the heater power was turned off to simulate a rapid reactor shutdown, and the turbomachinery was driven solely by the sensible heat stored in the heater for over 71 minutes without external power input. This is an important safety feature for CBC systems as it means that the closed Brayton loop will keep cooling the reactor without the need for auxiliary power (other than that needed to circulate the waste heat rejection coolant) provided the heat sink is available.

  9. Homology of GL_n over algebraically closed fields.

    E-Print Network [OSTI]

    Behrooz Mirzaii.; 605-621

    In this paper we define higher pre-Bloch groups p_n(F) of a field F. When our base field is algebraically closed we study its connection to the homology of the general linear groups with finite coefficient Z/l where l is a positive integer. As a result of our investigation we give a necessary and sufficient condition for the map H_n(GL_{n-1}(F), Z/l) --> H_n(GL_{n}(F), Z/l)$ to be bijective. We prove that this map is bijective for n GL_n(C).

  10. Numerical investigation of closed-loop control for Hall accelerators

    SciTech Connect (OSTI)

    Barral, S.; Miedzik, J. [Institute of Plasma Physics and Laser Microfusion, 01497 Warsaw (Poland)

    2011-01-01T23:59:59.000Z

    Low frequency discharge current oscillations in Hall accelerators are conventionally damped with external inductor-capacitor (LC) or resistor-inductor-capacitor (RLC) networks. The role of such network in the stabilization of the plasma discharge is investigated with a numerical model and the potential advantages of proportional-integral-derivative (PID) closed-loop control over RLC networks are subsequently assessed using either discharge voltage or magnetic field modulation. Simulations confirm the reduction of current oscillations in the presence of a RLC network, but suggest that PID control could ensure nearly oscillation-free operation with little sensitivity toward the PID settings.

  11. Geodesic Motion on Closed Spaces: Two Numerical Examples

    E-Print Network [OSTI]

    Daniel Muller

    2012-01-30T23:59:59.000Z

    The geodesic structure is very closely related to the trace of the Laplace operator, involved in the calculation of the expectation value of the energy momentum tensor in Universes with non trivial topology. The purpose of this work is to provide concrete numerical examples of geodesic flows. Two manifolds with genus $g=0$ are given. In one the chaotic regions, form sets of negligible or zero measure. In the second example the geodesic flow, shows the presence of measurable chaotic regions. The approach is "experimental", numerical, and there is no attempt to an analytical calculation.

  12. Power-law friction in closely-packed granular materials

    E-Print Network [OSTI]

    Takahiro Hatano

    2007-05-08T23:59:59.000Z

    In order to understand the nature of friction in closely-packed granular materials, a discrete element simulation on granular layers subjected to isobaric plain shear is performed. It is found that the friction coefficient increases as the power of the shear rate, the exponent of which does not depend on the material constants. Using a nondimensional parameter that is known as the inertial number, the power-law can be cast in a generalized form so that the friction coefficients at different confining pressures collapse on the same curve. We show that the volume fraction also obeys a power-law.

  13. Closed loop air cooling system for combustion turbines

    DOE Patents [OSTI]

    Huber, David John (North Canton, OH); Briesch, Michael Scot (Orlando, FL)

    1998-01-01T23:59:59.000Z

    Convective cooling of turbine hot parts using a closed loop system is disclosed. Preferably, the present invention is applied to cooling the hot parts of combustion turbine power plants, and the cooling provided permits an increase in the inlet temperature and the concomitant benefits of increased efficiency and output. In preferred embodiments, methods and apparatus are disclosed wherein air is removed from the combustion turbine compressor and delivered to passages internal to one or more of a combustor and turbine hot parts. The air cools the combustor and turbine hot parts via convection and heat is transferred through the surfaces of the combustor and turbine hot parts.

  14. Closed loop air cooling system for combustion turbines

    DOE Patents [OSTI]

    Huber, D.J.; Briesch, M.S.

    1998-07-21T23:59:59.000Z

    Convective cooling of turbine hot parts using a closed loop system is disclosed. Preferably, the present invention is applied to cooling the hot parts of combustion turbine power plants, and the cooling provided permits an increase in the inlet temperature and the concomitant benefits of increased efficiency and output. In preferred embodiments, methods and apparatus are disclosed wherein air is removed from the combustion turbine compressor and delivered to passages internal to one or more of a combustor and turbine hot parts. The air cools the combustor and turbine hot parts via convection and heat is transferred through the surfaces of the combustor and turbine hot parts. 1 fig.

  15. Closing of the GNEP Ministerial Meeting | Department of Energy

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWaste andAccessCO2 Injection Begins8:Energy ChuClean EnergyofClimateClosing

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    form of irradiated fuel. 3. (1) does not authorize the import under a general license of radioactive waste. ImportExport Case Study 5 Case 1 Evaluation (continued) Are the...

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    Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Hungary, Latvia, Lithuania, Luxembourg, Malta, The...

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    Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Hungary, Latvia, Lithuania, Luxembourg, Malta, The...

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    Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the...

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    National Nuclear Security Administration (NNSA)

    1 7 Brazil 1000 294 Canada 17 4 Chile 431 22 Denmark 11 44 Ecuador 37 8 France 44 125 Germany 48 14 India 101 289 Israel 7 31 Italy 11 1,202 Japan 1 2 Peru 486 60 Singapore 1 0...

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    speech 91% of HEU exports occurred before 1990 Most HEU exported to France, Germany, and Canada HEU Imports - 100 200 300 400 500 600 700 800 900 1958 1959 1960 1961...

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    National Nuclear Security Administration (NNSA)

    date o Mass o Third country obligations Compare Notification of Import with Prior Communication EURATOM Total Uranium 5,050,000;227,000 Obligations Case Study 12 Case 2...

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    National Nuclear Security Administration (NNSA)

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    Emerging Technologies to Improve Accountability and Safeguards Jessica White-Horton, Oak Ridge National Laboratory Overview Nonproliferation ConcernsSafeguards Challenges ...

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    at the NRC Suzanne M. Ani Office of Nuclear Material Safety & Safeguards Division of Fuel Cycle Safety & Safeguards Material Control & Accounting Branch At the NRC... Office...

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    Welcome to Annual Users Meeting James W. Andersen Deputy Director, Division of Fuel Cycle Safety and Safeguards Office of Nuclear Material Safety and Safeguards Nuclear Regulatory...

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    Obligations Accounting 7 Conversion and enrichment plants Enriched uranium to fuel fabrication plants Return of spent fuel from foreign research reactors Fuel...

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    TRAINING MEETING DENVER, CO MAY 14, 2014 JAMES ANDERSEN DEPUTY DIRECTOR DIVISION OF FUEL CYCLE SAFETY AND SAFEGUARDS OFFICE OF NUCLEAR MATERIAL SAFETY AND SAFEGUARDS Overview *...

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    be converted to LEU and delivered to USEC Deliveries of "WR" LEU from USEC to the fuel fabricators are likely to continue into CY 2015 Transparency in U.S. facilities...

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    information for 3 customers Accomplishments Set up an automated customer survey web site to collect information from program customers - SurveyMonkey.com - So far, 39...

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  18. Microsoft PowerPoint - 6_JAMES_CRABTREE_Continous Improvement_NMMSS 2014.ppt [Compatibility Mode]

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca MountainSource Tracking

  19. Microsoft PowerPoint - 8_Joel Grimm_Tuesday_NMMSS Denver Grimm.pptx

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca MountainSourceUsers Training Meeting May

  20. Microsoft PowerPoint - 9_SUZANNE_ANI_NMMSS_2014 MCA-SAni.pptx

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca MountainSourceUsers Trainingand

  1. Microsoft PowerPoint - Upcoming NMMSS Training 2014 and 2015 Final.pptx

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca MountainSourceUsers TrainingandAdvances

  2. Microsoft Word - NMMSS News - SpecialEdition - SAMS 4_1.doc

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 National NuclearNational Environmental4)6

  3. Microsoft Word - NMMSS Newsletter October 2014 Final-NRC 10-16 comments.docx

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 National NuclearNationalNovember 20,

  4. SS 2006 Selected Topics CMR Minimal infinite cogeneration-closed subcategories.

    E-Print Network [OSTI]

    Ringel, Claus Michael

    SS 2006 Selected Topics CMR Minimal infinite cogeneration-closed subcategories. Claus Michael C is finite. Finally, C is cogeneration-closed, provided it is also closed under submodules. Given subcategory containing X . Theorem. Let C be an infinite cogeneration-closed subcategory of mod . Then C

  5. C 2 DENSELY THE 2-SPHERE HAS AN ELLIPTIC CLOSED GEODESIC

    E-Print Network [OSTI]

    Contreras,Gonzalo

    C 2 DENSELY THE 2-SPHERE HAS AN ELLIPTIC CLOSED GEODESIC GONZALO CONTRERAS AND FERNANDO OLIVEIRA by a C 1 metric whose geodesic ow has an elliptic closed geodesic. In this paper we show how to overcome-intersecting closed geodesic. This is, the linearized Poincar#19;e map of the geodesic ow at the closed geodesic has

  6. CLOSED CIRCUIT TELEVISION MONITORING AND RECORDING OF PUBLIC AREAS FOR SAFETY AND SECURITY PURPOSES

    E-Print Network [OSTI]

    Fang-Yen, Christopher

    security plan using stateoftheart technology is closed circuit television (CCTV). B. The purpose of CCTV

  7. Aliens on Earth. Are reports of close encounters correct?

    E-Print Network [OSTI]

    Sobkowicz, Pawel

    2012-01-01T23:59:59.000Z

    Popular culture (movies, SF literature) and witness accounts of close encounters with extraterrestrials provide a rather bizarre image of Aliens behavior on Earth. It is far from stereotypes of human space exploration. The reported Aliens are not missions of diplomats, scientists nor even invasion fleets; typical encounters are with lone ETs (or small groups), and involve curious behavior: abductions and experiments (often of sexual nature), cattle mutilations, localized killing and mixing in human society using various methods. Standard scientific explanations of these social memes point to influence of cultural artifacts (movies, literature) on social imagination, projection of our fears and observations of human society, and, in severe cases, psychic disorder of the involved individuals. In this work we propose an alternate explanation, claiming that the memes might be the result of observations of actual behavior of true Aliens, who, visiting Earth behave in a way that is then reproduced by such memes. Th...

  8. On the stability of the primordial closed string gas

    E-Print Network [OSTI]

    Manuel A. Cobas; M. A. R. Osorio; Mara Surez

    2006-01-13T23:59:59.000Z

    We recast the study of a closed string gas in a toroidal container in the physical situation in which the single string density of states is independent of the volume because energy density is very high. This includes the gas for the well known Brandenberger-Vafa cosmological scenario. We describe the gas in the grandcanonical and microcanonical ensembles. In the microcanonical description, we find a result that clearly confronts the Brandenberger-Vafa calculation to get the specific heat of the system. The important point is that we use the same approach to the problem but a different regularization. By the way, we show that, in the complex temperature formalism, at the Hagedorn singularity, the analytic structure obtained from the so-called F-representation of the free energy coincides with the one computed using the S-representation.

  9. Study of Transients in an Enrichment Closed Loop

    E-Print Network [OSTI]

    Fernandino, M

    2002-01-01T23:59:59.000Z

    In the present thesis a mathematic model is presented in order to describe the dynamic behavior inside a closed enrichment loop, the latter representing a single stage of an uranium gaseous diffusion enrichment cascade.The analytical model is turned into a numerical model, and implemented through a computational code.For the verification of the model, measurements were taken in an experimental circuit using air as the process fluid.This circuit was instrumented so as to register its characteristic thermohydraulic variables.The measured transients were simulated, comparing the numerical results with the experimental measurements.A good agreement between the characteristic setting times and the thermohydraulic parameters evolution was observed.Besides, other transients of two species separation were numerically analyzed, including setting times of each magnitude, behavior of each one of them during different transients, and redistribution of concentrations.

  10. Nested Bethe ansatz for "all" closed spin chains

    E-Print Network [OSTI]

    S. Belliard; E. Ragoucy

    2008-06-02T23:59:59.000Z

    We present in an unified and detailed way the Nested Bethe Ansatz for closed spin chains based on Y(gl(n)), Y(gl(m|n)), U_q(gl(n)) or U_q(gl(m|n)) (super)algebras, with arbitrary representations (i.e. `spins') on each site of the chain. In particular, the case of indecomposable representations of superalgebras is studied. The construction extends and unifies the results already obtained for spin chains based on Y(gl(n)) or U_q(gl(n)) and for some particular super-spin chains. We give the Bethe equations and the form of the Bethe vectors. The case of gl(2|1), gl(2|2$ and gl(4|4) superalgebras (that are related to AdS/CFT correspondence) is also detailed.

  11. The precession of eccentric discs in close binaries

    E-Print Network [OSTI]

    James R. Murray

    1999-11-25T23:59:59.000Z

    We consider the precession rates of eccentric discs in close binaries, and compare theoretical predictions with the results of numerical disc simulations and with observed superhump periods. A simple dynamical model for precession is found to be inadequate. For mass ratios less than approximately 1/4 a linear dynamical model does provide an upper limit for disc precession rates. Theory suggests that pressure forces have a significant retrograde impact upon the precession rate (Lubow 1992). We find that the disc precession rates for three systems with accurately known mass ratios are significantly slower than predicted by the dynamical theory, and we attribute the difference to pressure forces. By assuming that pressure forces of similar magnitude occur in all superhumping systems, we obtain an improved fit to superhump observations.

  12. Closed loop computer control for an automatic transmission

    DOE Patents [OSTI]

    Patil, Prabhakar B. (Detroit, MI)

    1989-01-01T23:59:59.000Z

    In an automotive vehicle having an automatic transmission that driveably connects a power source to the driving wheels, a method to control the application of hydraulic pressure to a clutch, whose engagement produces an upshift and whose disengagement produces a downshift, the speed of the power source, and the output torque of the transmission. The transmission output shaft torque and the power source speed are the controlled variables. The commanded power source torque and commanded hydraulic pressure supplied to the clutch are the control variables. A mathematical model is formulated that describes the kinematics and dynamics of the powertrain before, during and after a gear shift. The model represents the operating characteristics of each component and the structural arrangement of the components within the transmission being controlled. Next, a close loop feedback control is developed to determine the proper control law or compensation strategy to achieve an acceptably smooth gear ratio change, one in which the output torque disturbance is kept to a minimum and the duration of the shift is minimized. Then a computer algorithm simulating the shift dynamics employing the mathematical model is used to study the effects of changes in the values of the parameters established from a closed loop control of the clutch hydraulic and the power source torque on the shift quality. This computer simulation is used also to establish possible shift control strategies. The shift strategies determined from the prior step are reduced to an algorithm executed by a computer to control the operation of the power source and the transmission.

  13. CEMENTITIOUS GROUT FOR CLOSING SRS HIGH LEVEL WASTE TANKS - #12315

    SciTech Connect (OSTI)

    Langton, C.; Burns, H.; Stefanko, D.

    2012-01-10T23:59:59.000Z

    In 1997, the first two United States Department of Energy (US DOE) high level waste tanks (Tanks 17-F and 20-F: Type IV, single shell tanks) were taken out of service (permanently closed) at the Savannah River Site (SRS). In 2012, the DOE plans to remove from service two additional Savannah River Site (SRS) Type IV high-level waste tanks, Tanks 18-F and 19-F. These tanks were constructed in the late 1950's and received low-heat waste and do not contain cooling coils. Operational closure of Tanks 18-F and 19-F is intended to be consistent with the applicable requirements of the Resource Conservation and Recovery Act (RCRA) and the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and will be performed in accordance with South Carolina Department of Health and Environmental Control (SCDHEC). The closure will physically stabilize two 4.92E+04 cubic meter (1.3 E+06 gallon) carbon steel tanks and isolate and stabilize any residual contaminants left in the tanks. The closure will also fill, physically stabilize and isolate ancillary equipment abandoned in the tanks. A Performance Assessment (PA) has been developed to assess the long-term fate and transport of residual contamination in the environment resulting from the operational closure of the F-Area Tank Farm (FTF) waste tanks. Next generation flowable, zero-bleed cementitious grouts were designed, tested, and specified for closing Tanks 18-F and 19-F and for filling the abandoned equipment. Fill requirements were developed for both the tank and equipment grouts. All grout formulations were required to be alkaline with a pH of 12.4 and chemically reduction potential (Eh) of -200 to -400 to stabilize selected potential contaminants of concern. This was achieved by including Portland cement and Grade 100 slag in the mixes, respectively. Ingredients and proportions of cementitious reagents were selected and adjusted, respectively, to support the mass placement strategy developed by closure operations. Subsequent down selection was based on compressive strength and saturated hydraulic conductivity results. Fresh slurry property results were used as the first level of screening. A high range water reducing admixture and a viscosity modifying admixture were used to adjust slurry properties to achieve flowable grouts. Adiabatic calorimeter results were used as the second level screening. The third level of screening was used to design mixes that were consistent with the fill material parameters used in the F-Tank Farm Performance Assessment which was developed to assess the long-term fate and transport of residual contamination in the environment resulting from the operational closures.

  14. On the various origins of close-in extrasolar planets

    E-Print Network [OSTI]

    Marchi, S; Nagasawa, M; Ida, S

    2009-01-01T23:59:59.000Z

    The extrasolar planets (EPs) so far detected are very different to the planets in our own Solar System. Many of them have Jupiter-like masses and close-in orbits (the so-called hot planets, HPs), with orbital periods of only a few days. In this paper, we present a new statistical analysis of the observed EPs, focusing on the origin of the HPs. Among the several HP formation mechanisms proposed so far, the two main formation mechanisms are type II migration and scattering. In both cases, planets form beyond the so-called snow-line of the protoplanetary disk and then migrate inward due to angular momentum and energy exchange with either the protoplanetary disk or with companion planets. Although theoretical studies produce a range of observed features, no firm correspondence between the observed EPs and models has yet been established. In our analysis, by means of principal component analysis and hierarchical cluster analysis, we find convincing indications for the existence of two types of HPs, whose parameter...

  15. Insulators and Materials for Closed-Spaced Thermoelectric Modules

    SciTech Connect (OSTI)

    Donald P. Snowden

    2003-07-20T23:59:59.000Z

    The primary goal of this Phase I program has been accomplished: to demonstrate a ceramic, injection-molded eggcrate which will form the support structure for a close-spaced thermoelectric module which can operate at significantly higher temperatures than presently possible with such modules. It has been shown that yttria-stabilized zirconia is compatible at high temperatures with typical thermoelectric materials (TAGS, SnTE and PbTe) and that it can serve as a barrier between them to preclude cross-contamination and doping of the constituents of one leg type by those from the other. Using a 2 x 2 ceramic eggcrate, thermally sprayed molybdenum electrodes have been deposited on a test module which effectively seal each pocket, further reducing the possibility of migration of elements. Based on these results the next tasks are to refine the design of the injection tool and the injection parameters to produce consistent results and to allow increase in the size of the module to that on which commercial, high-temperature thermoelectric modules can be based. In addition, development of the fabrication techniques for segmented thermoelectric legs for use with these ceramic eggcrates at high temperatures must be continued.

  16. N + 1 dimensional quantum mechanical model for a closed universe

    E-Print Network [OSTI]

    T. R. Mongan

    1999-02-10T23:59:59.000Z

    A quantum mechanical model for an N + 1 dimensional universe arising from a quantum fluctuation is outlined. (3 + 1) dimensions are a closed infinitely-expanding universe and the remaining N - 3 dimensions are compact. The (3 + 1) non-compact dimensions are modeled by quantizing a canonical Hamiltonian description of a homogeneous isotropic universe. It is assumed gravity and the strong-electro-weak (SEW) forces had equal strength in the initial state. Inflation occurred when the compact N -3 dimensional space collapsed after a quantum transition from the initial state of the univers, during its evolution to the present state where gravity is much weaker than the SEW force. The model suggests the universe has no singularities and the large size of our present universe is determined by the relative strength of gravity and the SEW force today. A small cosmological constant, resulting from the zero point energy of the scalar field corresponding to the compact dimensions, makes the model universe expand forever.

  17. On the environment surrounding close-in exoplanets

    E-Print Network [OSTI]

    Vidotto, A A; Jardine, M; Moutou, C; Donati, J -F

    2015-01-01T23:59:59.000Z

    Exoplanets in extremely close-in orbits are immersed in a local interplanetary medium (i.e., the stellar wind) much denser than the local conditions encountered around the solar system planets. The environment surrounding these exoplanets also differs in terms of dynamics (slower stellar winds, but higher Keplerian velocities) and ambient magnetic fields (likely higher for host stars more active than the Sun). Here, we quantitatively investigate the nature of the interplanetary media surrounding the hot Jupiters HD46375b, HD73256b, HD102195b, HD130322b, HD179949b. We simulate the three-dimensional winds of their host stars, in which we directly incorporate their observed surface magnetic fields. With that, we derive mass-loss rates (1.9 to 8.0 $\\times 10^{-13} M_{\\odot}$/yr) and the wind properties at the position of the hot-Jupiters' orbits (temperature, velocity, magnetic field intensity and pressure). We show that these exoplanets' orbits are super-magnetosonic, indicating that bow shocks are formed surrou...

  18. Film cooling air pocket in a closed loop cooled airfoil

    DOE Patents [OSTI]

    Yu, Yufeng Phillip (Simpsonville, SC); Itzel, Gary Michael (Simpsonville, SC); Osgood, Sarah Jane (East Thetford, VT); Bagepalli, Radhakrishna (Schenectady, NY); Webbon, Waylon Willard (Greenville, SC); Burdgick, Steven Sebastian (Schenectady, NY)

    2002-01-01T23:59:59.000Z

    Turbine stator vane segments have radially inner and outer walls with vanes extending between them. The inner and outer walls are compartmentalized and have impingement plates. Steam flowing into the outer wall plenum passes through the impingement plate for impingement cooling of the outer wall upper surface. The spent impingement steam flows into cavities of the vane having inserts for impingement cooling the walls of the vane. The steam passes into the inner wall and through the impingement plate for impingement cooling of the inner wall surface and for return through return cavities having inserts for impingement cooling of the vane surfaces. To provide for air film cooing of select portions of the airfoil outer surface, at least one air pocket is defined on a wall of at least one of the cavities. Each air pocket is substantially closed with respect to the cooling medium in the cavity and cooling air pumped to the air pocket flows through outlet apertures in the wall of the airfoil to cool the same.

  19. E-Print Network 3.0 - amphi-beringian area closes Sample Search...

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

    Waterways Experiment Station Vicksburg, MS Collection: Engineering 14 STATUS STATUS Cherokee A, B, C Closed John F. Kennedy A, B, C, D Open Summary: Ramp Open Beach Closed Day...

  20. What is stopping Carbon Capture Utilization and Storage from closing the carbon loop?

    E-Print Network [OSTI]

    What is stopping Carbon Capture Utilization and Storage from closing the carbon loop? The social not work to close the loop, but simply maintain the amount of carbon consumed and emitted. Direct Air these sectors, direct air capture could provide a route for closing the carbon loop in the transportation sector

  1. Model Free Closed-Loop Flow Control ERCAN ATAM, LIONEL MATHELIN, LAURENT CORDIER

    E-Print Network [OSTI]

    Mathelin, Lionel

    Model Free Closed-Loop Flow Control ERCAN ATAM, LIONEL MATHELIN, LAURENT CORDIER *CNRS- Mathelin-Cordier (LIMSI-CNRS,IP') Model Free Closed-Loop Flow Control ECCOMAS'12 1 / 21 #12;Outline 1 and some future work Atam- Mathelin-Cordier (LIMSI-CNRS,IP') Model Free Closed-Loop Flow Control ECCOMAS'12

  2. CARTESIAN CLOSED 2-CATEGORIES AND PERMUTATION EQUIVALENCE IN HIGHER-ORDER REWRITING

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    is the notion of permutation equivalence, which was generalised to the higher-order case by Bruggink [1]. He constructs a cartesian closed 2-category, whose 2-cells are Bruggink's proof terms modulo permutation closed 2-signatures are a 2-dimensional refinement of cartesian closed sketches [16, 4, 9]. Bruggink

  3. hal-00177601,version2-30Oct2007 A closed parabolic trough solar collector

    E-Print Network [OSTI]

    Paris-Sud XI, Universit de

    hal-00177601,version2-30Oct2007 A closed parabolic trough solar collector Gang Xiao 30th October of closed-box parabolic trough concentrated solar collector. By accepting an optical loss of a few, and the potential of improvement. The basic design of the closed collector is given in Section 2. It is a hermetic

  4. Policy Name: Closing due to Indoor Temperature Extremes Originating/Responsible Department: Facilities Management and Planning

    E-Print Network [OSTI]

    Dawson, Jeff W.

    Policy Name: Closing due to Indoor Temperature Extremes Originating/Responsible Department to be followed in the event that indoor temperature extremes prompt the closing of any building or work area. The closing of any building or work area due to indoor temperatures extremes shall be subject to operational

  5. 14.6 CLOSE-OUT OF FIXED PRICE CONTRACTS Auditors recently have identified three problems with our practices regarding close-out of fixed-price

    E-Print Network [OSTI]

    14.6 CLOSE-OUT OF FIXED PRICE CONTRACTS Auditors recently have identified three problems with our practices regarding close-out of fixed-price contracts when 10% or more of the budget remains in the account Principal Investigators to ensure that no more than 5% of the budget remains in a fixed-price contract

  6. CLOSING IN ON CLOSURE PERSPECTIVES FROM HANFORD & FERNALD AN UPDATE

    SciTech Connect (OSTI)

    CONNELL, J.D.

    2004-12-22T23:59:59.000Z

    In World War II, the arms dramatically changed from machine guns and incendiary bombs to nuclear weapons. Hanford and Fernald, two government-run sites, were part of the infrastructure established for producing the fissile material for making these weapons, as well as building a nuclear arsenal to deter future aggression by other nations. This paper compares and contrasts, from a communications point of view, these two Department of Energy (DOE) closure sites, each with Fluor as a prime contractor. The major differences between the two sites--Hanford in Washington state and Fernald in Ohio--includes the following: size of the site and the workforce, timing of closure, definition of end state, DOE oversight, proximity to population centers, readiness of local population for closure, and dependence of the local economy on the site's budget. All of these elements affect how the sites' communication professionals provide information even though the objectives are the same: build public acceptance and support for DOE's mission to accelerate cleanup, interface with stakeholders to help ensure that issues are addressed and goals are met, help workers literally work themselves out of jobs--faster, and prepare the ''host'' communities to deal with the void left when the sites are closed and the government contractors are gone. The 12-months between January 04 and January 05 have seen dramatic transformations at both sites, as Fernald is now just about a year away from closure and FLuor's work at Hanford has made the transition from operations to deactivation and demolition. While Fernald continues to clean out silos of waste and ship it off site, Hanford is dealing with recent state legislation that has the potential to significantly impact the progress of cleanup. These changes have even further accentuated the differences in the content, distribution, and impact of communications.

  7. Extremely Close-In Giant Planets from Tidal Capture

    E-Print Network [OSTI]

    B. Scott Gaudi

    2003-07-15T23:59:59.000Z

    Planets that form around stars born in dense stellar environments are subject to dynamical perturbations from other stars in the system. These perturbations will strip outer planets, forming a population of free-floating planets, some of which will be tidally captured before they evaporate from the system. For systems with velocity dispersion of 1 km/s, Jupiter-mass planets can be captured into orbits with periods of 0.1-0.4 days, which are generally stable over a Gyr, assuming quadratic suppression of eddy viscosity in the convective zones of the host stars. Under this assumption, and that most stars form several massive planets at separations 5-50 AU, about 0.03% of stars in rich, mature open clusters should have extremely close-in tidally captured planets. Approximately 0.005% of field stars should also have such planets, which may be found in field searches for transiting planets. Detection of a population of tidally-captured planets would indicate that most stars formed in stellar clusters. In globular clusters, the fraction of stars with tidally-captured planets rises to 0.1% -- in conflict with the null result of the transit search in 47 Tuc. This implies that, if the quadratic prescription for viscosity suppression is correct, planetary formation was inhibited in 47 Tuc: less than one planet of Jupiter-mass or greater (bound or free-floating) formed per cluster star. Less than half of the stars formed solar-system analogs. Brown dwarfs can also be captured in tight orbits; the lack of such companions in 47 Tuc in turn implies an upper limit on the initial frequency of brown dwarfs in this cluster. However, this upper limit is extremely sensitive to the highly uncertain timescale for orbital decay, and thus it is difficult to draw robust conclusions about the low-mass end of the mass function in 47 Tuc.

  8. Value Engineering Study for Closing Waste Packages Containing TAD Canisters

    SciTech Connect (OSTI)

    Colleen Shelton-Davis

    2005-11-01T23:59:59.000Z

    The Office of Civilian Radioactive Waste Management announced their intention to have the commercial utilities package spent nuclear fuel in shielded, transportable, ageable, and disposable containers prior to shipment to the Yucca Mountain repository. This will change the conditions used as a basis for the design of the waste package closure system. The environment is now expected to be a low radiation, low contamination area. A value engineering study was completed to evaluate possible modifications to the existing closure system using the revised requirements. Four alternatives were identified and evaluated against a set of weighted criteria. The alternatives are (1) a radiation-hardened, remote automated system (the current baseline design); (2) a nonradiation-hardened, remote automated system (with personnel intervention if necessary); (3) a nonradiation-hardened, semi-automated system with personnel access for routine manual operations; and (4) a nonradiation-hardened, fully manual system with full-time personnel access. Based on the study, the recommended design is Alternative 2, a nonradiation-hardened, remote automated system. It is less expensive and less complex than the current baseline system, because nonradiation-hardened equipment can be used and some contamination control equipment is no longer needed. In addition, the inclusion of remote automation ensures throughput requirements are met, provides a more reliable process, and provides greater protection for employees from industrial accidents and radiation exposure than the semi-automated or manual systems. Other items addressed during the value engineering study as requested by OCRWM include a comparison to industry canister closure systems and corresponding lessons learned; consideration of closing a transportable, ageable, and disposable canister; and an estimate of the time required to perform a demonstration of the recommended closure system.

  9. Cementitious Grout for Closing SRS High Level Waste Tanks - 12315

    SciTech Connect (OSTI)

    Langton, C.A.; Stefanko, D.B.; Burns, H.H. [Savannah River National Laboratory (United States); Waymer, J.; Mhyre, W.B. [URS Quality and Testing (United States); Herbert, J.E.; Jolly, J.C. Jr. [Savannah River Remediation, LLC, Savannah River Site, Aiken, SC 29808 (United States)

    2012-07-01T23:59:59.000Z

    In 1997, the first two United States Department of Energy (US DOE) high level waste tanks (Tanks 17-F and 20-F: Type IV, single shell tanks) were taken out of service (permanently closed) at the Savannah River Site (SRS). In 2012, the DOE plans to remove from service two additional Savannah River Site (SRS) Type IV high-level waste tanks, Tanks 18-F and 19-F. These tanks were constructed in the late 1950's and received low-heat waste and do not contain cooling coils. Operational closure of Tanks 18-F and 19-F is intended to be consistent with the applicable requirements of the Resource Conservation and Recovery Act (RCRA) and the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and will be performed in accordance with South Carolina Department of Health and Environmental Control (SCDHEC). The closure will physically stabilize two 4.92E+04 cubic meter (1.3 E+06 gallon) carbon steel tanks and isolate and stabilize any residual contaminants left in the tanks. Ancillary equipment abandoned in the tanks will also be filled to the extent practical. A Performance Assessment (PA) has been developed to assess the long-term fate and transport of residual contamination in the environment resulting from the operational closure of the F-Area Tank Farm (FTF) waste tanks. Next generation flowable, zero-bleed cementitious grouts were designed, tested, and specified for closing Tanks 18-F and 19-F and for filling the abandoned equipment. Fill requirements were developed for both the tank and equipment grouts. All grout formulations were required to be alkaline with a pH of 12.4 and to be chemically reducing with a reduction potential (Eh) of -200 to -400. Grouts with this chemistry stabilize potential contaminants of concern. This was achieved by including Portland cement and Grade 100 slag in the mixes, respectively. Ingredients and proportions of cementitious reagents were selected and adjusted to support the mass placement strategy developed by Savannah River Remediation (SRR) Closure Operations. Subsequent down selection was based on compressive strength and saturated hydraulic conductivity results. Fresh slurry property results were used as the first level of screening. A high range water reducing admixture and a viscosity modifying admixture were used to adjust slurry properties to achieve flowable grouts. Adiabatic calorimeter results were used as the second level screening. The third level of screening was used to design mixes that were consistent with the fill material parameters used in the F-Tank Farm Performance Assessment which was developed to assess the long-term fate and transport of residual contamination in the environment resulting from the operational closures. The cement and slag contents of a mix selected for filling Tanks 18-F and 19-F should be limited to no more than 125 and 210 lbs/cyd, respectively, to limit the heat generated as the result of hydration reaction during curing and thereby enable mass pour placement. Trial mixes with water to total cementitious materials ratios of 0.550 to 0.580 and 125 lbs/cyd of cement and 210 lbs/cyd of slag met the strength and permeability requirements. Mix LP no.8-16 was selected for closing SRS Tanks 18-F and 19-F because it meets or exceeds the design requirements with the least amount of Portland cement and blast furnace slag. This grout is expected to flow at least 45 feet. A single point of discharge should be sufficient for unrestricted flow conditions. However, additional entry points should be identified as back-up in case restrictions in the tank impede flow. The LP no.8 series of trial mixes had surprisingly high design compressive strengths (2000 to 4000/5000 psi) which were achieved at extended curing times (28 to 90 days, respectively) given the small amount of Portland cement in the mixes (100 to 185 lbs/cyd). The grouts were flowable structural fills containing 3/8 inch gravel and concrete sand aggregate. These grouts did not segregate and require no compaction. They have low permeabilities (? 10{sup -9} cm/s) and are consequen

  10. Method and apparatus for operating a powertrain system upon detecting a stuck-closed clutch

    DOE Patents [OSTI]

    Hansen, R. Anthony

    2014-02-18T23:59:59.000Z

    A powertrain system includes a multi-mode transmission having a plurality of torque machines. A method for controlling the powertrain system includes identifying all presently applied clutches including commanded applied clutches and the stuck-closed clutch upon detecting one of the torque-transfer clutches is in a stuck-closed condition. A closed-loop control system is employed to control operation of the multi-mode transmission accounting for all the presently applied clutches.

  11. Solving Problems with Sequences (Closing Keynote Address - 2010 JGI User Meeting)

    ScienceCinema (OSTI)

    Colwell, Rita

    2011-04-28T23:59:59.000Z

    Rita Colwell, recipient of the 2010 Stockholm Water Prize, delivers the closing keynote at the 5th Annual DOE JGI User Meeting on March 26, 2010

  12. Finite Temperature Bosonic Closed Strings: Thermal Duality and the Kosterlitz Thouless Transition

    E-Print Network [OSTI]

    S. Chaudhuri

    2005-09-12T23:59:59.000Z

    We elucidate the properties of a gas of free closed bosonic strings in thermal equilibrium. Our starting point is the intensive generating functional of connected one-loop closed vacuum string graphs given by the Polyakov path integral. Invariance of the path integral under modular transformations gives a thermal duality invariant expression for the free energy of free closed strings at finite temperature. The free bosonic string gas exhibits a self-dual Kosterlitz-Thouless phase transition. The thermodynamic potentials of the gas of free bosonic closed strings are shown to exhibit an infinite hierarchy of thermal self-duality relations. Note Added (Sep 2005).

  13. Modelling the settling of suspended sediments for concentrations close to the gelling concentration

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Modelling the settling of suspended sediments for concentrations close to the gelling concentration the sedimentation phase. In the case of cohesive sediments, the estimation of the gelling concentration, although and consolidation behaviour for concentrations close to the gelling concentration. Key words: sedimentation

  14. Unique Solutions to Hartree-Fock Equations for Closed Shell Atoms

    E-Print Network [OSTI]

    Unique Solutions to Hartree-Fock Equations for Closed Shell Atoms Marcel Griesemer and Fabian study the problem of uniqueness of solutions to the Hartree and Hartree-Fock equations of atoms. We show, for example, that the Hartree- Fock ground state of a closed shell atom is unique provided the atomic number Z

  15. Quantum pumping in closed systems, adiabatic transport, and the Kubo formula Doron Cohen

    E-Print Network [OSTI]

    Cohen, Doron

    Quantum pumping in closed systems, adiabatic transport, and the Kubo formula Doron Cohen Department received 30 June 2003; published 3 October 2003 Quantum pumping in closed systems is considered. We explain that the Kubo formula contains all the physically relevant ingredients for the calculation of the pumped charge

  16. Testing Closed-Source Binary Device Drivers with DDT Volodymyr Kuznetsov, Vitaly Chipounov, and George Candea

    E-Print Network [OSTI]

    Candea, George

    Testing Closed-Source Binary Device Drivers with DDT Volodymyr Kuznetsov, Vitaly Chipounov (EPFL), Switzerland Abstract DDT is a system for testing closed-source binary de- vice drivers against think of it as a pesticide against device driver bugs. DDT combines virtualization with a spe- cialized

  17. A kinetic scheme for pressurised flows in non uniform closed water pipes

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    A kinetic scheme for pressurised flows in non uniform closed water pipes C. Bourdarias1 , M. Ersoy1- tions of transient pressurised flows in closed water pipe with non uniform sections. Firstly, we detail is lastly performed in the case of a water hammer in an uniform pipe: we compare the numerical results

  18. Usability and Playability Issues for ARQuake Bruce Thomas, Nicholas Krul, Benjamin Close and Wayne Piekarski

    E-Print Network [OSTI]

    Thomas, Bruce

    1 Usability and Playability Issues for ARQuake Bruce Thomas, Nicholas Krul, Benjamin Close: #12;2 Bruce Thomas, Nicholas Krul, Benjamin Close and Wayne Piekarski the see-through display allows to walk through the information space. 5) The user interface additionally requires only a simple hand-held

  19. SHORT GEODESIC SEGMENTS BETWEEN TWO POINTS ON A CLOSED RIEMANNIAN MANIFOLD

    E-Print Network [OSTI]

    Nabutovsky, Alexander

    SHORT GEODESIC SEGMENTS BETWEEN TWO POINTS ON A CLOSED RIEMANNIAN MANIFOLD Alexander Nabutovsky there exist at least k distinct geodesics of length at most 20k!d between these points for every positive that for any pair of points on a closed Riemannian man- ifold Mn there exist infinitely many geodesics

  20. Automatic Eye State Recognition and Closed-eye Photo Correction Zhaojie LIU, Haizhou AI

    E-Print Network [OSTI]

    Ai, Haizhou

    Automatic Eye State Recognition and Closed-eye Photo Correction Zhaojie LIU, Haizhou AI Department@mail.tsinghua.edu.cn Abstract In this paper, we present an approach for eye state recognition and closed-eye photo correction. For eye state recognition, AdaBoosted cascade open-eye detectors of different scales are trained

  1. Closed-form Solutions to a Subclass of Continuous Stochastic Games via Symbolic Dynamic Programming

    E-Print Network [OSTI]

    Sanner, Scott

    : a continuous state generalisation of matching pennies, binary option valuation and robust energy production optimisation, a problem for which closed- form solutions are generally unavailable. We present an exact closed stochastic games provide a convenient framework with which to model robust sequential optimisation in ad

  2. Individualized closed-loop control of propofol anesthesia: A preliminary study

    E-Print Network [OSTI]

    Individualized closed-loop control of propofol anesthesia: A preliminary study Kristian Soltesz a an individualized approach to closed-loop control of depth of hypnosis during propo- fol anesthesia. The novelty of the paper lies in the individualization of the controller at the end of the induction phase of anesthesia

  3. Nordic Journal of Computing 10(2003), 135. TIMED CSP = CLOSED TIMED -AUTOMATA

    E-Print Network [OSTI]

    Ouaknine, Joël

    Nordic Journal of Computing 10(2003), 1­35. TIMED CSP = CLOSED TIMED -AUTOMATA JO¨EL OUAKNINE CSP which significantly increase expressiveness. As a result, we are able to capture some of the most of the finite-state fragment of this augmented version of Timed CSP as that of closed timed -automata

  4. Nordic Journal of Computing 10(2003), 1--35. TIMED CSP = CLOSED TIMED #AUTOMATA

    E-Print Network [OSTI]

    Ouaknine, Joël

    Nordic Journal of Computing 10(2003), 1--35. TIMED CSP = CLOSED TIMED #­AUTOMATA JO ? EL OUAKNINE CSP which significantly increase expressiveness. As a result, we are able to capture some of the most of the finite­state fragment of this augmented version of Timed CSP as that of closed timed #­automata

  5. On Hybrid Systems and Closed-Loop MPC Systems A. Bemporad1

    E-Print Network [OSTI]

    Sontag, Eduardo

    On Hybrid Systems and Closed-Loop MPC Systems A. Bemporad1 , W.P.M.H. Heemels2 , B. De Schutter3 Abstract The following five classes of hybrid systems were re- cently proved to be equivalent: linear- per, for linear or hybrid plants in closed-loop with a model predictive control (MPC) controller based

  6. To appear in IJCAI 2007 On Mining Closed Sets in Multi-Relational Data

    E-Print Network [OSTI]

    Khardon, Roni

    To appear in IJCAI 2007 On Mining Closed Sets in Multi-Relational Data Gemma C. Garriga Dept. There is also a growing interest in mining structured data, such as graphs, and more generally multi, Germany luc.deraedt@cs.kuleuven.be Abstract We investigate the problem of mining closed sets in multi

  7. Demonstration of close-coupled barriers for subsurface containment of buried waste

    SciTech Connect (OSTI)

    Dwyer, B.P. [Sandia National Labs., Albuquerque, NM (United States); Heiser, J. [Brookhaven National Lab., Upton, NY (United States); Stewart, W. [Applied Geotechnical Engineering and Construction, Inc., Richland, WA (United States)

    1996-12-01T23:59:59.000Z

    The primary objective of this project is to develop and demonstrate a close-coupled barrier for the containment of subsurface waste or contaminant migration. A close-coupled barrier is produced by first installing a conventional cement grout curtain followed by a thin inner lining of a polymer grout. The resultant barrier is a cement polymer composite that has economic benefits derived from the cement and performance benefits from the durable and resistant polymer layer. Close-coupled barrier technology is applicable for final, interim, or emergency containment of subsurface waste forms. Consequently, when considering the diversity of technology application, the construction emplacement and material technology maturity, general site operational requirements, and regulatory compliance incentives, the close-coupled barrier system provides an alternative for any hazardous or mixed waste remediation plan. This paper discusses the installation of a close-coupled barrier and the subsequent integrity verification.

  8. Quantum mechanics forbids an initial or final singularity in a closed FRW universe

    E-Print Network [OSTI]

    T. R. Mongan

    1999-03-07T23:59:59.000Z

    The existence of singularities in a closed FRW universe depends on the assumption that general relativity is valid for distances less than the Planck length. However, stationary state wave functions of the Schrodinger equation for a closed radiation-dominated FRW universe derived by Elbaz et al (General Relativity and Gravitation 29, 481, 1997) are zero at zero radius of curvature. Thus, even if general relativity is assumed valid at distances less than the Planck length, quantum mechanics seems to forbid singularities in a closed FRW universe.

  9. Close Quarters

    E-Print Network [OSTI]

    Multiple Contributors

    1996-01-01T23:59:59.000Z

    Florian proves highly entertaining?and muchmoreattracted to BodiethanDoyle cares for. But is the attraction mutual? And what willDoylechoose to do about it, ifanything? Dance While You Can 20 by Alex T MacKenzie In search ofa blackmailer, Bodie and... among the buyerslooking on. "Madame Elena Florian," Cowleysaid, asthe blonde set aside her ceremonial shears to accepta bouquet from a child with pipedeaner-thin arms. "Your new assignment.'' "Babysitting?'' Doyle hoped he didn't soundtoo plaintive...

  10. Closing Plenary

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-Up fromDepartmentTieCelebrate Earth DayFuelsDepartmentPolicyClean, EERE SmallW HPlenary

  11. Closing Remarks

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-Up fromDepartmentTieCelebrate Earth DayFuelsDepartmentPolicyClean, EERE SmallW

  12. MPCI: the capabilities of closed loop process identification by establishing a new paradigm

    E-Print Network [OSTI]

    Eker, Sukru Alper

    1998-01-01T23:59:59.000Z

    Model predictive control and identification (MPCI) is a new class of adaptive controllers, that employ the following on-line optimization to perform closed-loop identification and controller adaptation : at each time step minimize an objective...

  13. Closed-loop Real-time Control of a Novel Linear Magnetostrictive Actuator

    E-Print Network [OSTI]

    Chen, Chien-Fan

    2010-10-12T23:59:59.000Z

    This thesis presents the design of various closed-loop real-time control of a novel linear magnetostrictive actuator. The novel linear magnetostrictive actuator which uses Terfenol-D as the magnetostrictive material was developed by Sadighi...

  14. ICFT- An Initial Closed-Loop Flow Test of the Fenton Hill Phase...

    Open Energy Info (EERE)

    ICFT- An Initial Closed-Loop Flow Test of the Fenton Hill Phase II HDR Reservoir Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: ICFT- An Initial...

  15. Effects of hot electrons on the stability of a closed field line plasma

    E-Print Network [OSTI]

    Krasheninnikova, Natalia S

    2006-01-01T23:59:59.000Z

    Motivated by the electron cyclotron heating being employed on dipole experiments, the effects of a hot species on stability in closed magnetic field line geometry are investigated. The interchange stability of a plasma ...

  16. Closed-loop, variable-valve-timing control of a controlled-auto-ignition engine

    E-Print Network [OSTI]

    Matthews, Jeffrey A., 1970-

    2004-01-01T23:59:59.000Z

    The objective of this study was to develop a closed-loop controller for use on a Controlled-Auto- Ignition (CAI) / Spark-Ignition (SI) mixed mode engine equipped with a variable-valve-timing (VVT) mechanism. The controller ...

  17. Development of Real-time Closed-loop Control Algorithms for Grid-scale Battery

    E-Print Network [OSTI]

    i Development of Real-time Closed-loop Control Algorithms for Grid-scale Battery Energy Storage Systems Prepared for the U.S. Department of Energy Office of Electricity Delivery and Energy ................................................................................................. 23 6.2. Data Storage

  18. DOE Award # DE-SC0008085 Close-Out Report for UIUC Portion of...

    Office of Scientific and Technical Information (OSTI)

    DOE Award DE-SC0008085 Close-Out Report for UIUC Portion of Grant Re-direct Destination: This is the final technical report for the University of Illinois (UIUC) portion of grant...

  19. Steelcase's Closed-Loop Energy Recovery System Results in $250,000 Savings Annually

    E-Print Network [OSTI]

    Wege, P. M.

    1981-01-01T23:59:59.000Z

    Steelcase Inc. put a closed-loop energy recovery system into operation in August, 1980, with the installation of a $1.1 million waste incinerator. The system provides steam for process applications in the company's main complex. Processable waste...

  20. [send to printer] [close this window] What's Happening from Environmental Building News

    E-Print Network [OSTI]

    [send to printer] [close this window] What's Happening from Environmental Building News July 1-by-step move toward the goals of Architecture 2030's "2030 Challenge" to eliminate fossil-fuel use in all new

  1. Collision avoidance system optimization for closely spaced parallel operations through surrogate modeling

    E-Print Network [OSTI]

    Smith, Kyle A. (Kyle Alexander)

    2013-01-01T23:59:59.000Z

    The Traffic Alert and Collision Avoidance System (TCAS) is mandated worldwide to protect against aircraft mid-air collisions. One drawback of the current TCAS design is limited support for certain closely spaced parallel ...

  2. New Developments in Closed Loop Combustion Control Using Flue Gas Analysis

    E-Print Network [OSTI]

    Nelson, R. L.

    1981-01-01T23:59:59.000Z

    New developments in closed loop combustion control are causing radical changes in the way combustion control systems are implemented. The recent availability of in line flue gas analyzers and microprocessor technology are teaming up to produce...

  3. TEXTUAL ECONOMY THROUGH CLOSE COUPLING OF SYNTAX AND SEMANTICS Matthew Stone Bonnie Webber

    E-Print Network [OSTI]

    Stone, Matthew

    TEXTUAL ECONOMY THROUGH CLOSE COUPLING OF SYNTAX AND SEMANTICS Matthew Stone Bonnie Webber Dept, thatexploitsthe hearer's recognitionof inferentiallinkstomaterial elsewhere withina sentence. Textual economy argue that achieving textual economy imposes strong requirements on the representation and reasoning

  4. The Office of Electricity Delivery and Energy Reliability is Closely Monitoring Hurricane Irene (2011)

    Broader source: Energy.gov [DOE]

    The Department of Energys (DOE) Office of Electricity Delivery and Energy Reliability (OE) is closely monitoring Hurricane Irene as it travels up the U.S. coast and is publishing Situation Reports.

  5. Microfluidic device incorporating closed loop feedback control for uniform and tunable production of micro-droplets

    E-Print Network [OSTI]

    Rothstein, Jonathan

    Microfluidic device incorporating closed loop feedback control for uniform and tunable production, we have designed a microfluidic-based technology utilizing elementary microchannel geometries initial development using flow-focusing microfluidic geometry for droplet formation, computer

  6. Tandem benzannulation-ring closing metathesis strategy for the synthesis of benzo-fused nitrogen heterocycles ;

    E-Print Network [OSTI]

    Mak, Xiao Yin

    2008-01-01T23:59:59.000Z

    A tandem benzannulation-ring closing metathesis strategy for the efficient synthesis of benzo-fused nitrogen heterocycles such as dihydroquinolines, benzazepines, and benzazocines has been developed. This strategy is based ...

  7. Economic and Technical Tradeoffs Between Open and Closed Cycle Vapor Compression Evaporators

    E-Print Network [OSTI]

    Timm, M. L.

    compressor. The blowers and centrifugal compressors used for steam recompression are limited to compression ratios of around 2:1 in a single stage. This compression ratio is perfectly adequate for many applications. But if a larger driving force with a... higher compression ratio is desired. two or more compression stages must be used resulting in sig nificantly increased compressor costs. Closed Cycle Vapor Compression A schematic of a closed cycle vapor compression evaporator is shown in Figure 3...

  8. Using Linear Programming to Construct Better Criteria for Closing the Detection Loophole in Epr Experiments

    E-Print Network [OSTI]

    James H. Bigelow

    2008-05-03T23:59:59.000Z

    I formulate the problem of closing the detection loophole as a constrained optimization problem. Numerical methods can then be used to maximize the detector efficiency subject to the constraint that there exists a local realist explanation for the quantum correlations observed in the EPR experiment in question. Any detector efficiency larger than this maximum rules out all local realist explanations, and hence closes the detection loophole.

  9. Observable Consequences of Planet Formation Models in Systems with Close-in Terrestrial Planets

    E-Print Network [OSTI]

    Sean N. Raymond; Rory Barnes; Avi M. Mandell

    2007-11-13T23:59:59.000Z

    To date, two planetary systems have been discovered with close-in, terrestrial-mass planets (planet; 4) formation from material being shepherded by moving secular resonances during dispersal of the protoplanetary disk; 5) tidal circularization of eccentric terrestrial planets with close-in perihelion distances; and 6) photo-evaporative mass loss of a close-in giant planet. Models 1-4 have been validated in previous work. We show that tidal circularization can form hot Earths, but only for relatively massive planets (> 5 Earth masses) with very close-in perihelion distances (planets of less than about 70 Earth masses, photo-evaporation can remove the planet's envelope and leave behind the solid core on a Gyr timescale, but only for planets inside 0.025-0.05 AU. Using two quantities that are observable by current and upcoming missions, we show that these models each produce unique signatures, and can be observationally distinguished. These observables are the planetary system architecture (detectable with radial velocities, transits and transit-timing) and the bulk composition of transiting close-in terrestrial planets (measured by transits via the planet's radius).

  10. Microsoft PowerPoint - 1_Thursday 5-23 830 NMMSS_2013_Presentation_Obligations.ppt [Compatibility Mode]

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICEACMEFUTUREMain DraftRobinJeffrey Cruz,

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICEACMEFUTUREMain DraftRobinJeffrey

  12. Microsoft PowerPoint - 2_Peter J. Habighorst_NRC Remarks 2013 NMMSS Users Meeting.pptx

    National Nuclear Security Administration (NNSA)

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  13. Microsoft PowerPoint - 2_Peter J. Habighorst_NRC Remarks 2013 NMMSS Users Meeting.pptx

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICEACMEFUTUREMain DraftRobinJeffreySTATE OF

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICEACMEFUTUREMain DraftRobinJeffreySTATE

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICEACMEFUTUREMainFUNDAMENTALS

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    National Nuclear Security Administration (NNSA)

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  17. Microsoft PowerPoint - 5_Brian and Pete_Year In ReviewNMMSS2013_in template.pptx

    National Nuclear Security Administration (NNSA)

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    National Nuclear Security Administration (NNSA)

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    National Nuclear Security Administration (NNSA)

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  20. Microsoft PowerPoint - 10_BILL_WANDERER_REVISED HEU Agreement NMMSS Briefing_30 April 2014.pptx

    National Nuclear Security Administration (NNSA)

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  1. Microsoft PowerPoint - 10_ROSE_MARTYN_UPDATED_NMMSS_2014_Foreign Obligations.ppt [Compatibility Mode]

    National Nuclear Security Administration (NNSA)

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    National Nuclear Security Administration (NNSA)

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca Mountain License Application NMMSSWelcome

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    National Nuclear Security Administration (NNSA)

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    National Nuclear Security Administration (NNSA)

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    National Nuclear Security Administration (NNSA)

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    National Nuclear Security Administration (NNSA)

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  8. Microsoft PowerPoint - 3_GARY_HIRSH_NMMSS_2014_Gary Hirsch_Thursday 930-10.ppt [Compatibility Mode]

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca Mountain LicenseWelcome to

  9. Microsoft PowerPoint - 3_Richard Meehan_Monday_NMMSS_2014_Powerpoint_TEMPLATE.ppt [Compatibility Mode]

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca Mountain LicenseWelcome toRadiological

  10. Microsoft PowerPoint - 4_GARY_HIRSH_NMMSS_2014_Gary Hirsch_Monday 930-10.ppt [Compatibility Mode]

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca Mountain LicenseWelcome

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca Mountain LicenseWelcomeNuclear Cooperation

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca Mountain LicenseWelcomeNuclearIncreasing

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca MountainSource Tracking System -

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca MountainSource Tracking SystemGoverning

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca MountainSource Tracking SystemGoverningUS

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca MountainSource TrackingRegulatory

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca MountainSource TrackingRegulatoryUpdate:

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca MountainSourceUsers Training Meeting

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca MountainSourceUsers Training

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    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca MountainSourceUsers Trainingand Industry

  1. Numeric simulation of thyristor power converters taking into consideration the firing-circuits and the closed-loop control

    E-Print Network [OSTI]

    Bordry, Frederick; Proudlock, Paul

    1988-01-01T23:59:59.000Z

    Numeric simulation of thyristor power converters taking into consideration the firing-circuits and the closed-loop control

  2. Entrapment of the StarClose Vascular Closure System After Attempted Common Femoral Artery Deployment

    SciTech Connect (OSTI)

    Durack, Jeremy C., E-mail: jeremy.durack@ucsf.edu; Thor Johnson, D.; Fidelman, Nicholas; Kerlan, Robert K.; LaBerge, Jeanne M. [University of California, Department of Radiology and Biomedical Imaging (United States)

    2012-08-15T23:59:59.000Z

    A complication of the StarClose Vascular Closure System (Abbott, Des Plaines, IL) after a transarterial hepatic chemoembolization is described. After attempted clip deployment, the entire device became lodged in the tissues overlying the common femoral artery and could not be removed percutaneously. Successful removal of the device required surgical cutdown for removal and arterial repair. Entrapment of the StarClose vascular closure deployment system is a potentially serious complication that has been reported in the Manufacturer and User Facility Device Experience database, but has not been recognized in the literature.

  3. Duotone Surfaces: Division of a Closed Surface into Exactly Two Regions

    E-Print Network [OSTI]

    Garigipati, Pradeep

    2013-04-22T23:59:59.000Z

    might sound intuitive at first glance, it is only the case in simple situations where the closed curve is circle. The problem can quickly escalate in it?s degree of complexity when the closed curve twists and turns a lot such as fractal curves... on smoothness measure which empha- sizes more on the matching of shape of the curves where they join. For example, if two curves are G0 continuous, they curves meet at a join point. If two curves are G1 continuous, then the curves respective tangents have...

  4. Binary and ternary gas mixtures for use in glow discharge closing switches

    DOE Patents [OSTI]

    Hunter, S.R.; Christophorou, L.G.

    1988-04-27T23:59:59.000Z

    Highly efficient binary and ternary gas mixtures for use in diffuse glow discharge closing switches are disclosed. The binary mixtures are combinations of helium or neon and selected perfluorides. The ternary mixtures are combinations of helium, neon, or argon, a selected perfluoride, and a small amount of gas that exhibits enhanced ionization characteristics. These mixtures are shown to be the optimum choices for use in diffuse glow discharge closing switches by virtue if the combines physio-electric properties of the mixture components. 9 figs.

  5. 741 Transaction

    National Nuclear Security Administration (NNSA)

    D-23 Personal Computer Data Input for Department Of Energy Contractors Effective Date January 1, 2012 A booklet of guidance for data submissions to NMMSS using electronic formats...

  6. 741 Transaction

    National Nuclear Security Administration (NNSA)

    will be made to data input procedures and guidelines. Visit the NMMSS website, www.hss.energy.govnmmss, for the latest information and guidelines. Another alternative for...

  7. 741 Transaction

    National Nuclear Security Administration (NNSA)

    Director, Office of Nuclear Materials Integration NMMSS Program, NA-73, Germantown Building U.S. Department of Energy 1000 Independence Avenue, SW Washington, DC 20585-1290 If...

  8. Print this article Close This Window EU OKs India joining ITER nuclear reactor project

    E-Print Network [OSTI]

    Print this article Close This Window EU OKs India joining ITER nuclear reactor project Fri Dec 2-billion-euro project to build an experimental nuclear fusion reactor that in the long-run could provide virtually unlimited, cheap and clean energy. The EU's willingness to work with India on a civil nuclear

  9. Mnoa Green Days Checklist for Buildings Being Closed Due to AC Shutdown

    E-Print Network [OSTI]

    Wang, Yuqing

    Mnoa Green Days Checklist for Buildings Being Closed Due to AC Shutdown The following Mnoa Green Days in which air conditioning to participating buildings will be shutdown over the weekends is a checklist for building occupants to use as a reference to successfully conserve energy during the Expanded

  10. Notes On The Born-Oppenheimer Approach In A Closed Dynamical System

    E-Print Network [OSTI]

    Dhurjati Prasad Datta

    1997-06-26T23:59:59.000Z

    The various recent studies on the applications of the Born-Oppenheimer approach in a closed gravity matter system is examined. It is pointed out that the Born-Oppenheimer approach in the absence of an a priori time is likely to yield potentially new results.

  11. Control Engineering Practice 10 (2002) 315326 MIMO closed-loop identification of an MSW incinerator

    E-Print Network [OSTI]

    Van den Hof, Paul

    Control Engineering Practice 10 (2002) 315­326 MIMO closed-loop identification of an MSW of a specific system identification procedure to a municipal solid waste (MSW) incinerator is discussed that with the proposed identification procedure a model of the MSW incinerator is obtained which, according to system

  12. European Finance Review, 6,3, 291-319. 1 Seasoned Equity Issues in a Closely

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    European Finance Review, 6,3, 291-319. 1 Seasoned Equity Issues in a Closely Held Market: Evidence of the European Financal Management Association in Lisbon, at the 1998 conference of the French Finance Association in Lille, at the 1998 conference of the Northern Finance Association in Toronto and at the 1998

  13. Identification of Close Relatives in the HUGO Pan-Asian SNP Database

    E-Print Network [OSTI]

    Xu, Shuhua

    Identification of Close Relatives in the HUGO Pan-Asian SNP Database Xiong Yang, Shuhua Xu structure and migration history, this provided the most comprehensive large-scale survey of genetic relationships among individuals from the Pan-Asian SNP (PASNP) database and identified 3 pairs of monozygotic

  14. Magnetism of Ho and Er Atoms on Close-Packed Metal Surfaces F. Donati,1

    E-Print Network [OSTI]

    Thévenaz, Jacques

    Magnetism of Ho and Er Atoms on Close-Packed Metal Surfaces F. Donati,1 A. Singha,1 S. Stepanow,2 C; published 3 December 2014) We investigated the magnetic properties of individual Ho atoms adsorbed on the (111) surface of Pt, which have been recently claimed to display single ion magnetic behavior

  15. A Closed-Form Solution to the Arbitrary Order Cauchy Problem with Propagators

    E-Print Network [OSTI]

    Henrik Stenlund

    2014-11-24T23:59:59.000Z

    The general abstract arbitrary order (N) Cauchy problem was solved in a closed form as a sum of exponential propagator functions. The infinite sparse exponential series was solved with the aid of a homogeneous differential equation. It generated a linear combination of exponential functions. The Cauchy problem solution was formed with N linear combinations of N exponential propagators.

  16. The setpoint overshoot method: A simple and fast closed-loop approach for PID tuning*

    E-Print Network [OSTI]

    Skogestad, Sigurd

    The setpoint overshoot method: A simple and fast closed-loop approach for PID tuning* Mohammad and Technology (NTNU), N-7491 Trondheim, Norway Abstract: A simple method has been developed for PID controller% of the regulatory controllers utilise the PID algorithm. A recent survey (Kano and Ogawa [2]) from Japan shows

  17. Brazil closes down illegal timber operation, seizes wood Rhett A. Butler, mongabay.com

    E-Print Network [OSTI]

    of Amazonas state, told Michael Astor of the Associated Press that the Norte Wood logging company in the forest reserve, but companies must file management plans to show their logging is carried out, 2006 Brazilian environmental authorities closed down an illegal logging operation in the Amazon

  18. Oscillatory behavior of closed isotropic models in second order gravity theory

    E-Print Network [OSTI]

    J. Miritzis

    2008-03-11T23:59:59.000Z

    Homogeneous and isotropic models are studied in the Jordan frame of the second order gravity theory. The late time evolution of the models is analysed with the methods of the dynamical systems. The normal form of the dynamical system has periodic solutions for a large set of initial conditions. This implies that an initially expanding closed isotropic universe may exhibit oscillatory behaviour.

  19. The San Francisco/Oakland Bay Bridge Will be Partially Closed Presidents' Day Weekend 2012

    E-Print Network [OSTI]

    Hellerstein, Joseph M.

    /or alternate bridges: Golden Gate, Richmond-San Rafael, San Mateo-Hayward, Dumbarton BART (BAY AREA RAPIDThe San Francisco/Oakland Bay Bridge Will be Partially Closed Presidents' Day Weekend 2012 In order to complete an essential step in the construction of the new Bay Bridge, the WESTBOUND DECK of the Bay Bridge

  20. Public release date: 6-Dec-2010 [ Print | E-mail | Share ] [ Close Window

    E-Print Network [OSTI]

    Espinosa, Horacio D.

    Public release date: 6-Dec-2010 [ Print | E-mail | Share ] [ Close Window ] Contact: Kyle Delaney k ubiquitously used metal, thin-film electrodes. The Northwestern University group in collaboration with SANDIA-like carbon electrodes rather than metal thin films and found a dramatic improvement in device robustness

  1. ORIGINAL PAPER Tomato fruit weight 11.3 maps close to fasciated on the bottom

    E-Print Network [OSTI]

    van der Knaap, Esther

    ORIGINAL PAPER Tomato fruit weight 11.3 maps close to fasciated on the bottom of chromosome 11 online: 4 May 2011 ? Springer-Verlag 2011 Abstract Fruit weight is an important character in many crops. In tomato (Solanum lycopersicum), fruit weight is controlled by many loci, some of which have a major effect

  2. Calculating Radiative Heat Transfer in an Axisymmetric Closed Chamber: An Application

    E-Print Network [OSTI]

    New York at Stoney Brook, State University of

    Calculating Radiative Heat Transfer in an Axisymmetric Closed Chamber: An Application to Crystal University of New York at Stony Brook Stony Brook N.Y. 11794 ABSTRACT Radiative heat transfer plays simulating radiative heat transfer in the crystal and in the region above the melt containing gas under

  3. Closed Form of the Biphoton K-Vector Spectrum for Arbitrary Spatio-Temporal Pump Modes

    E-Print Network [OSTI]

    Jeffrey Perkins

    2011-09-02T23:59:59.000Z

    A closed form solution is derived for the biphoton k-vector spectrum for an arbitrary pump spatial mode. The resulting mode coefficients for the pump input that maximize the probability of biphoton detection in the far field are found. It is thus possible to include the effect of arbitrary crystal poling strucures, and optimize the resulting biphoton flux.

  4. SpineCare Foundation Postgraduate Scholarship 2014 Closing Date Extended to 16 December 2013

    E-Print Network [OSTI]

    SpineCare Foundation Postgraduate Scholarship 2014 ­ Closing Date Extended to 16 December 2013 The SpineCare Foundation is offering either a masters (1 year award) or PhD (3 year award) program of the selected scholar, ranging from $24,653 - $36,706 per year tax free. The SpineCare Foundation will consider

  5. Position: Urban Natural Resource Specialist Forest Hydrology Closing Date: January 9th, 2015

    E-Print Network [OSTI]

    Isaacs, Rufus

    Position: Urban Natural Resource Specialist ­ Forest Hydrology Closing Date: January 9th, 2015 runoff. This position requires applied, working knowledge of forest hydrology, hydrology modelling to support the use of i-Tree-related hydrologic models and tools. Develop framework for i-Tree Hydro

  6. Comparison of closed and open thermochemical processes, for long-term thermal energy storage applications

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    1 Comparison of closed and open thermochemical processes, for long-term thermal energy storage-term thermal storage, second law analysis * Corresponding author: E-mail: mazet@univ-perp.fr Nomenclature c Energy Tecnosud, Rambla de la thermodynamique, 66100 Perpignan, France b Université de Perpignan Via

  7. Attack Diagnosis: Throttling Distributed Denial-of-Service Attacks Close to the Attack Sources

    E-Print Network [OSTI]

    Park, Jung-Min

    Attack Diagnosis: Throttling Distributed Denial- of-Service Attacks Close to the Attack Sources Polytechnic Institute and State University Blacksburg, VA 24061 {rlchen, jungmin}@vt.edu Abstract-- Attack mitigation schemes actively throttle attack traffic generated in Distributed Denial-of-Service (DDoS) attacks

  8. Oak Ridge Reservation Annual Site Environmental Report Summary 2002 Taking a Close Look Together

    E-Print Network [OSTI]

    Pennycook, Steve

    1 Oak Ridge Reservation Annual Site Environmental Report Summary 2002 #12;2 Taking a Close Look down our thoughts on what we wanted to tell you about the Oak Ridge Reservation and about working the Oak Ridge Reservation and even thought the Department of Energy produced energy in Oak Ridge

  9. Optimized Multiplex PCR: Efficiently Closing a Whole-Genome Shotgun Sequencing Project

    E-Print Network [OSTI]

    Optimized Multiplex PCR: Efficiently Closing a Whole-Genome Shotgun Sequencing Project Herve sequencing project. The method employs multiplex PCR and a novel pooling strategy to minimize the number of laboratory procedures required to se- quence the unknown DNA that falls in between con- tiguous sequences

  10. A closed-form approximate expression for the optical conductivity of graphene

    E-Print Network [OSTI]

    Simsek, Ergun

    A closed-form approximate expression for the optical conductivity of graphene Ergun Simsek School for the optical conductivity of graphene is developed, which generates re- sults with less than 0.8% maximum.001437 Graphene, a one atom thick sheet of carbon atoms, has been receiving a great deal of interest since its

  11. Closed-loop identification via output fast sampling Jiandong Wang a

    E-Print Network [OSTI]

    Wang, Jiandong

    Closed-loop identification via output fast sampling Jiandong Wang a , Tongwen Chen a,*, Biao Huang6G 2V4 b Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB identifiable? The so-called fast-sampling direct approach provides a positive answer. It removes a traditional

  12. Production and Pressure Decline Curves for Wet Gas Sands With Closed Outer Boundaries

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    . SPE SPE 23442 Production and Pressure Decline Curves for Wet Gas Sands With Closed Outer, Richardson, TX 7S0834S36 U.5A. Telex, 730989 SPEDAL. ABSTRACT A family of pressure and production decline as gas reservoirs which produce substan- tial amounts of water together with ~as. Production of water

  13. The Closed-loop Supply Chain Network with Competition and Design for Remanufactureability

    E-Print Network [OSTI]

    Nagurney, Anna

    The Closed-loop Supply Chain #12;Remanufacturability Kodak recently replaced some plastic parts in its high at the demand markets. It has been discussed in the literature that consumers value new and remanufactured manufacturers (OEM) or competition between an OEM and a remanufacturer who are dealing with a single demand

  14. Critical Role of Magnesium Ions in DNA Polymerase 's Closing and Active Site Assembly

    E-Print Network [OSTI]

    Schlick, Tamar

    Critical Role of Magnesium Ions in DNA Polymerase 's Closing and Active Site Assembly Linjing Yang nucleotide with conserved catalytic residues (Asp190, Asp192, Asp256) and the two functional magnesium ions adjustments of the nucleotide-binding and catalytic magnesium ions help guide polymerase selection

  15. Stochastic analyses arising from a new approach for closed queueing networks

    E-Print Network [OSTI]

    Sun, Feng

    2009-05-15T23:59:59.000Z

    -STATE PROBABILITIES OF ?(n)/G/1/N QUEUE . 8 A.Analysis............................ 8 B.Algorithm........................... 18 C. Numerical Examples . . . . . . . . . . . . . . . . . . . . . 22 D.Conclusion........................... 26 III TIME... REVIEW ........ 1 A. The ?(n)/G/1/N Queue................... 2 B. Phase-Type Renewal Processes . . . . . . . . . . . . . . . 3 C. The SM/PH/1/N Queue................... 4 D. Closed Queueing Networks . . . . . . . . . . . . . . . . . . 5 II STEADY...

  16. THE THORIUM MOLTEN SALT REACTOR: LAUNCHING THE THORIUM CYCLE WHILE CLOSING THE CURRENT

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    THE THORIUM MOLTEN SALT REACTOR: LAUNCHING THE THORIUM CYCLE WHILE CLOSING THE CURRENT FUEL CYCLE E ABSTRACT Molten salt reactors, in the configuration presented here and called Thorium Molten Salt Reactor on a Thorium base, i.e. started in the Th/Pu fuel cycle. We study the transition between the reactors of second

  17. PROPERTIES OF H-SETS, KATETOV SPACES AND H-CLOSED EXTENSIONS WITH COUNTABLE REMAINDER

    E-Print Network [OSTI]

    McNeill, Daniel K.

    2011-04-25T23:59:59.000Z

    results concern finding cardinality bounds of H-sets in Urysohn spaces. In particular, a Urysohn space X is constructed which has an H-set A with |A| > 2 2?(X), where ?(X) is the closed pseudocharacter of the space X. The space provides a counterexample...

  18. "Open Water/Closed Water: a filmic portrait of America's disappearing public

    E-Print Network [OSTI]

    Sekelsky, Jeff

    "Open Water/Closed Water: a filmic portrait of America's disappearing public pools" Rachel Johnson space of water as a vital component of the public sphere. My movie features footage and interviews. But ultimately, the film is also a meditation on water itself: the transformative powers the sphere of water can

  19. Gas Composition and Oxygen Supply in the Root Environment of Substrates in Closed Hydroponic Systems

    E-Print Network [OSTI]

    Lieth, J. Heinrich

    299 Gas Composition and Oxygen Supply in the Root Environment of Substrates in Closed Hydroponic Abstract The objective of this study was to get more information about the root zone, mainly the gas and ethylene, a gas sampling system was used to get gas samples from the root zone. CO2 gas samples of 20 ml

  20. Closed Loop System with Feedback Control MISO control laws SISO control law

    E-Print Network [OSTI]

    Ben-Yakar, Adela

    Closed Loop System with Feedback Control MISO control laws SISO control law Switching Control demand Two control modes for wind turbine: MISO & SISO Proportional Integral (PI) feedback control Modes MISO SISO Inputs Blade Pitch Angle, Generator Torque Blade Pitch Angle Output Power Power

  1. Campus Sustainability Plan "UCSC's commitment to sustainability reflects one of our most closely held campus values

    E-Print Network [OSTI]

    California at Santa Cruz, University of

    1 Campus Sustainability Plan "UCSC's commitment to sustainability reflects one of our most closely, which inspired faculty and staff to join in. Today, sustainability is a campuswide commitment, and our, Chancellor 2013­16 #12;2 1 From the Chancellor-- UC Santa Cruz is serious about sustainability, and our

  2. Modeling of Gas Extraction from Closed Coal Mines C. Lagny & Z. Pokryszka

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Modeling of Gas Extraction from Closed Coal Mines C. Lagny & Z. Pokryszka Direction des risques du gas flow rate. Validations were made for several years. This model is able to evaluate firedamp of indus- trial gas drainage from the surface. In this aim, a specific mathematical model has been

  3. Public release date: 19-Feb-2005 [ Print Article | E-mail Article | Close Window

    E-Print Network [OSTI]

    Hutchings, Jeffrey A.

    Rosenberg of the University of New Hampshire and a member of the U.S. Commission on Ocean Policy, and Jeremy Marine Fisheries Service, Andy Rosenberg has faced the difficult realities of implementing new fisheriesPublic release date: 19-Feb-2005 [ Print Article | E-mail Article | Close Window ] Contact: Jessica

  4. Close this window print this page MATSUSHITA BATTERY DEVELOPS NEW MICRO FUEL CELL

    E-Print Network [OSTI]

    to miniaturize the system, improve the reliability and reduce the cost. Notes and Technology Details 1. Fuel cellClose this window print this page MATSUSHITA BATTERY DEVELOPS NEW MICRO FUEL CELL TECHNOLOGY for fuel cells powering portable devices that makes it possible to reduce the size of the fuel cell to one

  5. Search for star clusters close to the Galactic plane with DENIS

    E-Print Network [OSTI]

    C. Reyle; A. C. Robin

    2002-01-04T23:59:59.000Z

    An automated search for star clusters close to the Galactic plane (|b| web site as embedded clusters in HII regions. Extinction in the field and in front of the clusters are estimated using a model of population synthesis. We present the method and give the properties of these clusters.

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

    E-Print Network [OSTI]

    Lefsky, Michael

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

  7. Avoiding closed timelike curves with a collapsing rotating null dust shell

    E-Print Network [OSTI]

    Filipe C. Mena; Jose Natario; Paul Tod

    2008-02-11T23:59:59.000Z

    We present an idealised model of gravitational collapse, describing a collapsing rotating cylindrical shell of null dust in flat space, with the metric of a spinning cosmic string as the exterior. We find that the shell bounces before closed timelike curves can be formed. Our results also suggest slightly different definitions for the mass and angular momentum of the string.

  8. DOE Award # DE-SC0008085 Close-Out Report for UIUC Portion of Grant

    SciTech Connect (OSTI)

    Teixeira, Kristina Anderson; DeLucia, Evan H

    2014-11-20T23:59:59.000Z

    This is the final technical report for the University of Illinois (UIUC) portion of grant # SC0008085 (CARBON DYNAMICS OF FOREST RECOVERY UNDER A CHANGING CLIMATE: FORCINGS, FEEDBACKS, AND IMPLICATIONS FOR EARTH SYSTEM MODELING), which closed June 14, 2014. The grant remains active at the Smithsonian.

  9. Disease Risk in Temperate Amphibian Populations Is Higher at Closed-Canopy Sites

    E-Print Network [OSTI]

    Zamudio, Kelly R.

    University. The funders had no role in study design, data collection and analysis, decision to publishDisease Risk in Temperate Amphibian Populations Is Higher at Closed-Canopy Sites C. Guilherme is critical for predicting Bd spread and developing appropriate management tools for wild populations

  10. Problems with modelling closed timelike curves as post-selected teleportation

    E-Print Network [OSTI]

    T. C. Ralph

    2011-07-23T23:59:59.000Z

    In this comment on S.Lloyd, et al, Phys.Rev.Lett. 106, 040403 (2011), we show that modelling closed timelike curves (CTCs) as post-selected teleportation allows signalling to past times before the creation of the CTC and allows information paradoxes to form.

  11. Tank Opening Report No 77 Page 1 Pump Out 24 Feb -Close Doors 28 Feb 92

    E-Print Network [OSTI]

    Chen, Ying

    Tank Opening Report No 77 Page 1 Pump Out 24 Feb - Close Doors 28 Feb 92 Reason for Tank Opening Replace terminal stripper foils. Preamble The tank was last open from 8 - 12 July 1991 and has since run 2 readers will know, the Tank Opening Report reliability has been abysmal. Since TOR 72, there have been

  12. INTERFACIAL AND TRANSPORT PHENOMENA IN CLOSED-CELL FOAMS Submitted to the Faculty

    E-Print Network [OSTI]

    Pilon, Laurent

    INTERFACIAL AND TRANSPORT PHENOMENA IN CLOSED-CELL FOAMS A Thesis Submitted to the Faculty Sylvania, Techneglas, and Owens Corning provided the glass samples as well as help- ful criticisms the Purdue Glass Laboratory for sharing his expertise on glass and for letting me use his laboratory

  13. Gas Migration from Closed Coal Mines to the Surface RISK ASSESSMENT METHODOLOGY AND PREVENTION MEANS

    E-Print Network [OSTI]

    Paris-Sud XI, Universit de

    Gas Migration from Closed Coal Mines to the Surface RISK ASSESSMENT METHODOLOGY AND PREVENTION to the surface is especially significant in the context of coal mines. This is because mine gas can migrate of the scheduled closure of all coal mining operations in France, INERIS has drawn up, at the request of national

  14. An airport emergency is any occasion, natural or man-made, that threatens lives,

    E-Print Network [OSTI]

    Minnesota, University of

    the possibility of secondary damage, and speed recovery operations by mobilizing emergency response personnel, preparedness, response, and recovery. Mitigation prevents, alleviates, or diminishes the potential effects and equipment, conducting search and rescue, alerting the public, or evacuating affected areas. The recovery

  15. Particle acceleration close to the supermassive black hole horizon: the case of M87

    E-Print Network [OSTI]

    F. M. Rieger; F. A. Aharonian

    2008-05-27T23:59:59.000Z

    The radio galaxy M87 has recently been found to be a rapidly variable TeV emitting source. We analyze the implications of the observed TeV characteristics and show that it proves challenging to account for them within conventional acceleration and emission models. We discuss a new pulsar-type scenario for the origin of variable, very high energy (VHE) emission close to the central supermassive black hole and show that magneto-centrifugally accelerated electrons could efficiently Compton upscatter sub-mm ADAF disk photons to the TeV regime, leading to VHE characteristics close to the observed ones. This suggests, conversely, that VHE observations of highly under-luminous AGNs could provide an important diagnostic tool for probing the conditions prevalent in the inner accretion disk of these sources.

  16. A kinetic scheme for unsteady pressurised flows in closed water pipes

    E-Print Network [OSTI]

    Bourdarias, Christian; Gerbi, Stphane

    2008-01-01T23:59:59.000Z

    he aim of this paper is to present a kinetic numerical scheme for the computations of transient pressurised flows in closed water pipes. Firstly, we detail the mathematical model written as a conservative hyperbolic partial differentiel system of equations, and the we recall how to obtain the corresponding kinetic formulation. Then we build the kinetic scheme ensuring an upwinding of the source term due to the topography performed in a close manner described by Perthame et al. using an energetic balance at microscopic level for the Shallow Water equations. The validation is lastly performed in the case of a water hammer in a uniform pipe: we compare the numerical results provided by an industrial code used at EDF-CIH (France), which solves the Allievi equation (the commonly used equation for pressurised flows in pipes) by the method of characteristics, with those of the kinetic scheme. It appears that they are in a very good agreement.

  17. A mathematical model for unsteady mixed flows in closed water pipes

    E-Print Network [OSTI]

    Bourdarias, Christian; Gerbi, Stphane

    2008-01-01T23:59:59.000Z

    We present the derivation of a new unidirectionnal model for unsteady mixed flows in non uniform closed domains. We introduce a local reference frame to take into account the local perturbation caused by the changes of section and slope. Then an asymptotic analysis is performed to obtain a model for the free surface flow and another for the pressurised flow. By coupling these models through the transition points by the use of a common set of variables and a suitable pressure law, we obtain a simple formulation called PFS-model close to the shallow water equations with source terms. It takes into account the changes of section and the slope variation in a continuous way through transition points.

  18. Gdel black hole, closed timelike horizon, and the study of particle emissions

    E-Print Network [OSTI]

    Sourav Bhattacharya; Anirban Saha

    2010-07-22T23:59:59.000Z

    We show that a particle, with positive orbital angular momentum, following an outgoing null/timelike geodesic, shall never reach the closed timelike horizon (CTH) present in the $(4+1)$-dimensional rotating G\\"{o}del black hole space-time. Therefore a large part of this space-time remains inaccessible to a large class of geodesic observers, depending on the conserved quantities associated with them. We discuss how this fact and the existence of the closed timelike curves present in the asymptotic region make the quantum field theoretic study of the Hawking radiation, where the asymptotic observer states are a pre-requisite, unclear. However, the semiclassical approach provides an alternative to verify the Smarr formula derived recently for the rotating G\\"{o}del black hole. We present a systematic analysis of particle emissions, specifically for scalars, charged Dirac spinors and vectors, from this black hole via the semiclassical complex path method.

  19. An approach to modeling a kinematically redundant dual manipulator closed chain system using pseudovelocities

    SciTech Connect (OSTI)

    Unseren, M.A.

    1996-05-01T23:59:59.000Z

    The paper discusses the problem of resolving the kinematic redundancy in the closed chain formed when two redundant manipulators mutually lift a rigid body object. The positional degrees of freedom (DOF) in the closed chain are parameterized by a set of independent variables termed pseudovelocities. Due to the redundancy there are more DOF and thus more pseudovelocities than are required to specify the motion of the held object. The additional ``redundant`` pseudovelocities are used to minimize the distance between the vector of unknown joint velocities and a vector of ``corrective`` joint velocities in a Euclidean norm sense. This leads to an optimal solution for the joint velocities as a linear function of the Cartesian object velocities and the corrective velocities. The problem of determining the corrective velocities to avoid collisions of the links with a wall located in the workspace and to avoid joint range limits is illustrated by an example of two redundant planar revolute joint manipulators mutually lifting a rigid object.

  20. On Bose-Einstein condensation on closed Robertson-Walker spacetimes

    E-Print Network [OSTI]

    M. Trucks

    1998-11-12T23:59:59.000Z

    In this letter we summarize our analysis of Bose-Einstein condensation on closed Robertson-Walker spacetimes. In a previous work we defined an adiabatic KMS state on the Weyl-algebra of the free massive Klein-Gordon field. This state describes a free Bose gas on Robertson-Walker spacetimes. We use this state to analyze the possibility of Bose-Einstein condensation on closed Robertson-Walker spacetimes. We take into account the effects due to the finiteness of the spatial volume and show that they are not relevant in the early universe. Furthermore we show that a critical radius can be defined. The condensate disappears above the critical radius.

  1. Anti-telephones in transformation optics: metamaterials with closed null geodesics

    E-Print Network [OSTI]

    Boston, S Reece

    2015-01-01T23:59:59.000Z

    We apply the methods of transformation optics to theoretical descriptions of spacetimes that support closed null geodesic curves. The metric used is based on frame dragging spacetimes, such as the van Stockum dust or the Kerr black hole. Through transformation optics, this metric is analogous to a material that in theory should allow for communication between past and future. Presented herein is a derivation and description of the spacetime and the resulting permeability, permittivity, and magneto-electric couplings that a material would need in order for light in the material to follow closed null geodesics. We also address the paradoxical implications of such a material, and demonstrate why such a material would not actually result in a violation of causality. A full derivation of the Plebanski equations is also included.

  2. Spheroidal close-coupling scheme to describe ionization processes in one-electron diatomic systems

    SciTech Connect (OSTI)

    Pons, B. [Centre Lasers Intenses et Applications, UMR 5107 du CNRS, Universite de Bordeaux-I, 351 Cours de la Liberation, F-33405 Talence (France)

    2003-04-01T23:59:59.000Z

    We propose a molecular close-coupling expansion in terms of prolate spheroidal wave functions confined in an ellipsoidal box. We first implement the method for ionization of H{sub 2}{sup +} molecular ions, by linearly polarized strong and short laser pulses, in the nonperturbative regime and within the (fixed nuclei) Born-Oppenheimer approximation. We further analyze the adequacy of the method to reproduce both the bound and the continuum nonadiabatic processes in ion-atom collisions.

  3. Leveraging a Cohesive Supply Chain to Close the Loop on EPS Packaging

    E-Print Network [OSTI]

    Russell, Lynn

    Leveraging a Cohesive Supply Chain to Close the Loop on EPS Packaging Katherine Hang, UC San Diego Carbon Conversion Guide #12;1.09 2.08 0.97 0.0 0.5 1.0 1.5 2.0 2.5L Amber Glass 7L Returnable Stainless Filling Packaging Distribution Collection Cleaning Disposal Mail-back Carbon Footprint Results Steel

  4. Present and Near-Future Reflected Light Searches for Close-In Planets

    E-Print Network [OSTI]

    David Charbonneau; Robert W. Noyes

    2000-02-26T23:59:59.000Z

    Close-in extrasolar giant planets may be directly detectable by their reflected light, due to the proximity of the planet to the illuminating star. The spectrum of the system will contain a reflected light component that varies in amplitude and Doppler shift as the planet orbits the star. Intensive searches for this effect have been carried out for only one extrasolar planet system, tau Boo. There exist several other attractive targets, including the transiting planet system HD 209458.

  5. Tutorial guide to the tau lepton and close-mass lepton pairs

    SciTech Connect (OSTI)

    Perl, M.L.

    1988-10-01T23:59:59.000Z

    This is a tutorial guide to present knowledge of the tau lepton, to the tau decay mode puzzle, and to present searches for close-mass lepton pairs. The test is minimal; the emphasis is on figures, tables and literature references. It is based on a lecture given at the 1988 International School of Subnuclear Physics: The Super World III. 54 refs., 9 figs., 7 tabs.

  6. Evolution and preservation of closed linear troughs in the Hueco bolson of west Texas

    E-Print Network [OSTI]

    Burrell, Jonathan K

    1996-01-01T23:59:59.000Z

    of the requirements for the degree of MASTER OF SCIENCE Norman Tilfo (Chair of Co ttee) ean - Louis B ud (Member) Chris op er Mathewson Member) Philip abinowi~ (Head of Department) May 1996 Major Subject: Geology Evolution and Preservation of Closed... of content and presentation. I would like to thank my committee members, Dr. Christopher Mathewson for advice and direction, and Dr. Jean - Louis Briaud for his patience and attention to detail. I am also grateful to Lloyd Morris for his positive influence...

  7. Demonstration of close-coupled barriers for subsurface containment of buried waste

    SciTech Connect (OSTI)

    Dwyer, B.P. [Sandia National Labs., Albuquerque, NM (United States). Environmental Restoration Technologies Dept.

    1996-05-01T23:59:59.000Z

    A close-coupled barrier is produced by first installing a conventional cement grout curtain followed by a thin inner lining of a polymer grout. The resultant barrier is a cement polymer composite that has economic benefits derived from the cement and performance benefits from the durable and resistant polymer layer. Close-coupled barrier technology is applicable for final, interim, or emergency containment of subsurface waste forms. Consequently, when considering the diversity of technology application, the construction emplacement and material technology maturity, general site operational requirements, and regulatory compliance incentives, the close-coupled barrier system provides an alternative for any hazardous or mixed waste remediation plan. This paper discusses the installation of a close-coupled barrier and the subsequent integrity verification. The demonstration was installed at a benign site at the Hanford Geotechnical Test Facility, 400 Area, Hanford, Washington. The composite barrier was emplaced beneath a 7,500 liter tank. The tank was chosen to simulate a typical DOE Complex waste form. The stresses induced on the waste form were evaluated during barrier construction. The barrier was constructed using conventional jet grouting techniques. Drilling was completed at a 45{degree} angle to the ground, forming a conical shaped barrier with the waste form inside the cone. Two overlapping rows of cylindrical cement columns were grouted in a honeycomb fashion to form the secondary backdrop barrier layer. The primary barrier, a high molecular weight polymer manufactured by 3M Company, was then installed providing a relatively thin inner liner for the secondary barrier. The primary barrier was emplaced by panel jet grouting with a dual wall drill stem, two phase jet grouting system.

  8. Connection between closeness of classical orbits and the factorization of radial Schrdinger equation

    E-Print Network [OSTI]

    Yu-feng Liu; Wu-jun Huo; Jinyan Zeng

    1999-11-25T23:59:59.000Z

    It was shown that the Runge-Lenz vector for a hydrogen atom is equivalent to the raising and lowering operators derived from the factorization of radial Schr\\"{o}dinger equation. Similar situation exists for an isotropic harmonic oscillator. It seems that there may exist intimate relation between the closeness of classical orbits and the factorization of radial Schr\\"{o}dinger equation. Some discussion was made about the factorization of a 1D Schr\\"{o}dinger equation.

  9. Comment on [open quotes]Nonlocality, counterfactuals, and quantum mechanics[close quotes

    SciTech Connect (OSTI)

    Stapp, H.P. (Lawrence Berkeley National Laboratory, University of California at Berkely, Berkeley, California 94720 (United States))

    1999-09-01T23:59:59.000Z

    A recent proof [H. P. Stapp, Am. J. Phys. [bold 65], 300 (1997)], formulated in the symbolic language of modal logic, claims to show that contemporary quantum theory, viewed as a set of rules that allow us to calculate statistical predictions among certain kinds of observations, cannot be imbedded in any rational framework that conforms to the principles that (1) the experimenters[close quote] choices of which experiments they will perform can be considered to be free choices, (2) outcomes of measurements are unique, and (3) the free choices just mentioned have no backward-in-time effects of any kind. This claim is similar to Bell[close quote]s theorem, but much stronger, because no reality assumption alien to quantum philosophy is used. The paper being commented on [W. Unruh, Phys. Rev. A [bold 59], 126 (1999)] argues that some such reality assumption has been [open quotes]smuggled[close quotes] in. That argument is examined here and shown, I believe, to be defective. [copyright] [ital 1999] [ital The American Physical Society

  10. Testing the mirror world hypothesis for the close-in extrasolar planets

    E-Print Network [OSTI]

    R. Foot

    2004-06-10T23:59:59.000Z

    Because planets are not expected to be able to form close to stars due to the high temperatures, it has been suggested that the observed close orbiting ($\\sim 0.05$ AU) large mass planets ($\\sim M_J$) might be mirror worlds -- planets composed predominately of mirror matter. The accretion of ordinary matter onto the mirror planet (from e.g. the solar wind from the host star) will make the mirror planet opaque to ordinary radiation with an effective radius $R_p$. It was argued in a previous paper, astro-ph/0101055, that this radius was potentially large enough to explain the measured size of the first transiting close-in extrasolar planet, HD209458b. Furthermore, astro-ph/0101055, made the rough prediction: $R_p \\propto \\sqrt{{T_s \\over M_p}}$, where $T_s$ is the surface temperature of the ordinary matter in the mirror planet and $M_p$ is the mass of the planet (the latter dependence being the more robust prediction). We compare this prediction with the recently discovered transiting planets, OGLE-TR-56b and OGLE-TR-113b.

  11. Ab-initio approach to effective single-particle energies in doubly closed shell nuclei

    E-Print Network [OSTI]

    T. Duguet; G. Hagen

    2012-04-11T23:59:59.000Z

    The present work discusses, from an ab-initio standpoint, the definition, the meaning, and the usefulness of effective single-particle energies (ESPEs) in doubly closed shell nuclei. We perform coupled-cluster calculations to quantify to what extent selected closed-shell nuclei in the oxygen and calcium isotopic chains can effectively be mapped onto an effective independent-particle picture. To do so, we revisit in detail the notion of ESPEs in the context of strongly correlated many-nucleon systems and illustrate the necessity to extract ESPEs through the diagonalization of the centroid {\\it matrix}, as originally argued by Baranger. For the purpose of illustration, we analyse the impact of correlations on observable one-nucleon separation energies and non-observable ESPEs in selected closed-shell oxygen and calcium isotopes. We then state and illustrate the non-observability of ESPEs. Similarly to spectroscopic factors, ESPEs can indeed be modified by a redefinition of inaccessible quantities while leaving actual observables unchanged. This leads to the absolute necessity to employ consistent structure and reaction models based on the same nuclear Hamiltonian to extract the shell structure in a meaningful fashion from experimental data.

  12. Evidence for Prolonged Main Sequence Stellar Evolution of F Stars in close binaries

    E-Print Network [OSTI]

    A. A. Suchkov

    2001-03-01T23:59:59.000Z

    Binary F stars exhibit large brightness anomaly, which is defined here as the difference between the absolute magnitude from the uvby photometry and the actual absolute magnitude of the star. We have found that the anomaly inversely correlates with the binary components separation. There is evidence that the correlation reflects actual population differences between close and wide binary pairs, in which case it indicates that the anomaly is somehow associated with the interaction of binary's components. The anomaly has also been found to correlate with both kinematics and metallicity. The sense of the correlations implies that the anomaly increases as the star evolves, suggesting a peculiar evolution of a primary F star in a tight binary pair. This conclusion has further been supported by the study of the age-velocity relation (AVR) of F stars that are cataloged in the HIPPARCOS as single. Among these stars, those with brightness anomaly were previously shown to be most likely unidentified close binaries. We have found that the AVR of these binary candidates is different from that of the ``truly single'' F stars. The discrepancy between the two AVRs indicates that the putative binaries are, on average, older than similar normal single F stars at the same effective temperature and luminosity, which is consistent with the inferred peculiar evolution in close binaries. It appears that this peculiarity is caused by the impact of the components interaction in a tight pair on stellar evolution, which results in the prolonged main sequence lifetime of the primary F star.

  13. Closed Crawl Space Performance: Proof of Concept in the Production Builder Marketplace

    SciTech Connect (OSTI)

    Malkin-Weber, Melissa; Dastur, Cyrus; Mauceri, Maria; Hannas, Benjamin

    2008-10-30T23:59:59.000Z

    This overview is intended to be a very concise, limited summary of the key project activities discussed in the detailed report that follows. Due to the large scope of this project, the detailed report is broken into three individually titled sections. Each section repeats key background information, with the goal that the sections will eventually stand alone as complete reports on the major activities of the project. The information presented herein comes from ongoing research, so please note that all observations, findings and recommendations presented are preliminary and subject to change in the future. We invite and welcome your comments and suggestions for improving the project. Advanced Energy completed its first jointly-funded crawl space research project with the Department of Energy in 2005. That project, funded under award number DE-FC26-00NT40995 and titled 'A Field Study Comparison of the Energy and Moisture Performance Characteristics of Ventilated Versus Sealed Crawl Spaces in the South' demonstrated the substantial energy efficiency and moisture management benefits that result from using properly closed crawl space foundations for residential construction instead of traditional wall vented crawl space foundations. Two activities of this first project included (1) an assessment of ten existing homes to document commonly observed energy and moisture failures associated with wall-vented crawl space foundations and (2) a detailed literature review that documented both the history of closed crawl space research and the historical lack of scientific justification for building code requirements for crawl space ventilation. The most valuable activity of the 2005 project proved to be the field demonstration of various closed crawl space techniques, which were implemented in a set of twelve small (1040 square feet), simply designed homes in eastern North Carolina. These homes had matched envelope, mechanical and architectural designs, and comparable performance characteristics with regard to infiltration and duct leakage. Researchers settled on two closed crawl space designs, one with insulation located in the framed floor structure above the crawl space and one with insulation on the crawl space perimeter wall, as the designs with the most widespread potential for application. Researchers based this assessment not only on the field performance, but also on input from residential builders, pest control professionals, code officials, installers, and building scientists active in the region. The key findings from the field demonstration were that (1) closed crawl spaces stay substantially drier than traditional wall-vented crawl spaces during humid climate conditions, and (2) the houses built on the closed crawl space foundations saved, on average, 15% or more on annual energy used for space heating and cooling. A comparison of the actual energy performance of the homes versus the performance predicted by a popular HERS software application showed that the software was unable to predict the demonstrated savings, in some cases predicting an energy penalty. Findings from the 2005 project were summarized in a publication titled Closed Crawl Spaces: An Introduction to Design, Construction and Performance. Since its release, the publication has received widespread use by builders, homeowners, installers and code officials concerned about crawl space construction. The findings were also used to create major revisions to the NC Residential Code, which were adopted in 2004 and immediately began to reduce the regulatory barriers to widespread commercialization of the technology in NC, particularly in new residential construction. Full project details are located at www.crawlspaces.org.

  14. 8:00 AM Iris Gomez-Lopez 8:00 AM Tawfiq Shah 8:00 AM Help Lab Closed 8:00 AM Help Lab Closed 8:00 AM Help Lab Closed 10:00 AM 10:00 AM 10:00 AM 10:00 AM 10:00 AM

    E-Print Network [OSTI]

    Mohanty, Saraju P.

    8:00 AM Iris Gomez-Lopez 8:00 AM Tawfiq Shah 8:00 AM Help Lab Closed 8:00 AM Help Lab Closed 8:00 AM Help Lab Closed 10:00 AM 10:00 AM 10:00 AM 10:00 AM 10:00 AM 10:00 AM Iris Gomez-Lopez 10:00 AM:00 PM Kai-Lea Wu 2:00 PM Siyuan Liu 2:00 PM Help Lab Closed 4:00 PM Ziming Zhang 4:00 PM 4:00 PM Sasi

  15. arXiv:cond-mat/0208233v418Nov2003 Classical and quantum pumping in closed systems

    E-Print Network [OSTI]

    Cohen, Doron

    arXiv:cond-mat/0208233v418Nov2003 Classical and quantum pumping in closed systems Doron Cohen version [1], follow up [2]) Pumping of charge (Q) in a closed ring geometry is not quantized even and the adiabatic contributions to Q. As an application we bring examples for classical dissipative pumping

  16. Theoretical thermodynamic analysis of a closed-cycle process for the conversion of heat into electrical energy

    E-Print Network [OSTI]

    Carati, Andrea

    Theoretical thermodynamic analysis of a closed-cycle process for the conversion of heat.g. by means of a solar concentrator), or can be the waste heat from an industrial pro- cess, or part of a co) Abstract We analyse a device aimed at the conversion of heat into electrical energy, based on a closed

  17. Resource Conservative Manufacturing Transforming Waste into High Value Resource through Closed-Loop Product Systems (ResCoM)

    E-Print Network [OSTI]

    Arleo, Angelo

    and the environment, the EU has no choice but to go for the transition to a resource-efficient and ultimately), supply chain management (integrated supply chains), business model development (closed-loop business of closed loop product design in terms of resource efficiency, CO2 production and energy use

  18. Ordovician Red River {open_quotes}B{close_quotes}: Horizontal oil play in the southern Williston basin

    SciTech Connect (OSTI)

    Montgomery, S.L.

    1997-04-01T23:59:59.000Z

    Recent application of horizontal drilling technology to the Ordovician Red River {open_quotes}B{close_quotes} zone in the southern Williston basin has resulted in a successful oil play, with more than 100 wells drilled in 1995 and 1996. The Red River {open_quotes}B{close_quotes} reservoir is a dolomitized laminated carbonate with microsucrosic porosity of 8-25% and permeabilities in the range of 1-66 md. It occurs within the middle of three depositional cycles ({open_quotes}A,{close_quotes} {open_quotes}B,{close_quotes} and {open_quotes}C{close_quotes}) that form the upper Red River Formation. Each cycle consists of a lower burrowed limestone, middle laminated member, and capping anhydrite or lime mudstone. The {open_quotes}B{close_quotes} reservoir is confined to the {open_quotes}B{close_quotes} laminated member and consists of an upper portion, characterized by better reservoir quality, and a lower, less permeable portion. Horizontal drilling has the advantage of significantly increasing well-bore exposure to the upper, more permeable portion. Well data indicate the total Red River {open_quotes}B{close_quotes} porosity zone has remarkable extent over parts of southwestern North Dakota, southeastern Montana, and northwestern South Dakota. Productivity from horizontal well displays considerable variation that can be correlated with structure/tectonic patterns and with reservoir petrophysical character.

  19. Use of two-body close-coupling formalisms to calculate three-body breakup cross sections

    SciTech Connect (OSTI)

    Rescigno, T.N. [Lawrence Livermore National Laboratory, Physics Directorate, Livermore, California 94551 (United States)] [Lawrence Livermore National Laboratory, Physics Directorate, Livermore, California 94551 (United States); McCurdy, C.W.; Isaacs, W.A. [Lawrence Berkeley National Laboratory, Computing Sciences, Berkeley, California 94720 (United States)] [Lawrence Berkeley National Laboratory, Computing Sciences, Berkeley, California 94720 (United States); Baertschy, M. [Department of Applied Science, University of California--Davis, Livermore, California 94550 (United States)] [Department of Applied Science, University of California--Davis, Livermore, California 94550 (United States)

    1999-11-01T23:59:59.000Z

    We analyze the consequences of discretizing one of the two continua in three-body breakup to reduce it to a two-body close-coupling problem. We identify the origin of oscillations in the singly differential cross section in those {open_quotes}convergent close-coupling{close_quotes} calculations as lying only in the way the cross section is calculated from the wave function and not in the wave function itself. The anomalous {open_quotes}step-function{close_quotes} behavior of those calculations is derived from a stationary-phase argument. Calculations are presented on the Temkin-Poet model for electron-impact ionization of hydrogen, a breakup problem with exponential potentials, and an analytically solvable model. The anomalies associated with two-body close-coupling calculations are demonstrated using wave functions from complex exterior scaling calculations that otherwise give converged results without any anomalies. {copyright} {ital 1999} {ital The American Physical Society}

  20. Theoretical Spectra and Light Curves of Close-in Extrasolar Giant Planets and Comparison with Data

    E-Print Network [OSTI]

    A. Burrows; J. Budaj; I. Hubeny

    2008-01-26T23:59:59.000Z

    We present theoretical atmosphere, spectral, and light-curve models for extrasolar giant planets (EGPs) undergoing strong irradiation for which {\\it Spitzer} planet/star contrast ratios or light curves have been published (circa June 2007). These include HD 209458b, HD 189733b, TrES-1, HD 149026b, HD 179949b, and $\\upsilon$ And b. By comparing models with data, we find that a number of EGP atmospheres experience thermal inversions and have stratospheres. This is particularly true for HD 209458b, HD 149026b, and $\\upsilon$ And b. This finding translates into qualitative changes in the planet/star contrast ratios at secondary eclipse and in close-in EGP orbital light curves. Moreover, the presence of atmospheric water in abundance is fully consistent with all the {\\it Spitzer} data for the measured planets. For planets with stratospheres, water absorption features invert into emission features and mid-infrared fluxes can be enhanced by a factor of two. In addition, the character of near-infrared planetary spectra can be radically altered. We derive a correlation between the importance of such stratospheres and the stellar flux on the planet, suggesting that close-in EGPs bifurcate into two groups: those with and without stratospheres. From the finding that TrES-1 shows no signs of a stratosphere, while HD 209458b does, we estimate the magnitude of this stellar flux breakpoint. We find that the heat redistribution parameter, P$_n$, for the family of close-in EGPs assumes values from $\\sim$0.1 to $\\sim$0.4. This paper provides a broad theoretical context for the future direct characterization of EGPs in tight orbits around their illuminating stars.

  1. Orthopositronium-orthopositronium scattering using the close-coupling approximation at medium energies

    SciTech Connect (OSTI)

    Chakraborty, Sumana; Ghosh, A. S. [Department of Theoretical Physics, Indian Association for the Cultivation of Science, Jadavpur, Kolkata-700 032 (India)

    2005-11-15T23:59:59.000Z

    Elastic and excitation (single and double) cross sections (n{<=}3) of orthopositronium-orthopositronium (o-Ps-o-Ps) scattering system are predicted using eigenstate close-coupling approximation at medium energies. The partial wave cross sections have shown a peculiar feature. The static exchange results and other inelastic cross sections for even parity transitions only survive for even values of partial wave and vice versa like Born-Oppenheimer (BO) cross sections. To the best of our knowledge, this feature has not been noticed for other systems. Our results are nearly convergent with added eigenstates and elastic and excitation cross sections are compared with their corresponding BO predictions.

  2. Changes in close-range order in amorphous island films of aluminum during heating and melting

    SciTech Connect (OSTI)

    Zhukova, L.A.; Popel', S.I.; Razikova, N.A.

    1987-03-01T23:59:59.000Z

    By sputtering in vacuum on collodion substrates at room temperature, amorphous films of aluminum are obtained, consisting of particles up to 10 nm in diameter. Their structure is investigated by electron diffraction. By analysis of difference functions of the radial atomic distribution the authors elucidate the changes in the ordering of the atoms during crystallization and melting of the amorphous film of aluminum. They establish the sequence of changes in close-range order in the process of crystallization under the electron beam on the basis of the structures sc ..-->.. bcc ..-->.. fcc (hcp).

  3. Analysis of closed-pool boilup using the TRANSIT-HYDRO code. [LMFBR

    SciTech Connect (OSTI)

    Graff, D.L.

    1983-01-04T23:59:59.000Z

    The benign termination of the transition phase of a hypothetical LMFBR accident rests on the avoidance of highly energetic recriticalities prior to escape of bottled molten core materials from the active core region. In scenarios where molten fuel is trapped due to axial blockages, the maintenance of subcritical configurations until radial flow paths develop requires stable boil-up of the molten fuel/steel mixture. This paper describes the analysis of an experiment investigating the behavior of closed boiling pools using the two-fluid hydrodynamics module of TRANSIT-HYDRO, a deterministic transition-phase analysis code.

  4. Ionic Cloud Distribution close to a Charged Surface in the Presence of Salt

    E-Print Network [OSTI]

    Olli Punkkinen; Ali Naji; Rudolf Podgornik; Ilpo Vattulainen; Per-Lyngs Hansen

    2007-12-29T23:59:59.000Z

    Despite its importance, the understanding of ionic cloud distribution close to a charged macroion under physiological salt conditions has remained very limited especially for strongly coupled systems with, for instance, multivalent counterions. Here we present a formalism that predicts both counterion and coion distributions in the vicinity of a charged macroion for an arbitrary amount of added salt and in both limits of mean field and strong coupling. The distribution functions are calculated explicitly for ions next to an infinite planar charged wall. We present a schematic phase diagram identifying different physical regimes in terms of electrostatic coupling parameter and bulk salt concentration.

  5. The effects of childhood sexual abuse on adult male attachments in close relationships

    E-Print Network [OSTI]

    Altman, Daniel Rayner

    2006-10-30T23:59:59.000Z

    ) state that since 1990 reported rates for female CSA from the United States ranged from 3.9% to 68.1% with most studies reporting approximately 19.1%, while reported rates for male CSA ranged from 2.7% to 34.3% with most reporting 7.2%. (e.g., Gorey...-cut attachment bonds with others (e.g., 10 father or some other closely related adult) (Ainsworth, 1964). Therefore, what begins as a response to the infant?s natural biological reflexes evolves into an emotional bond between the child and the attachment...

  6. A simplistic model of cyclic heat transfer phenomena in closed spaces

    SciTech Connect (OSTI)

    Lee, K.

    1983-08-01T23:59:59.000Z

    Cyclic heat transfer inside closed spaces is investigated analytically using a simple heat transfer model. The model consists of a gas layer exchanging heat with two bounding parallel walls that pulsate against each other in the transverse direction. Correlations for the magnitude and the phase lag of the heat transfer are obtained. Also, an expression for the power loss due to the cyclic heat transfer is presented. It is shown that the loss approaches zero as the heat transfer process approaches either isothermal or adiabatic conditions. The power loss is shown to be a strong function of the phase angle between the bulk gas temperature and the heat transfer.

  7. Closed formula for the matrix elements of the volume operator in canonical quantum gravity

    E-Print Network [OSTI]

    T. Thiemann

    1996-06-29T23:59:59.000Z

    We derive a closed formula for the matrix elements of the volume operator for canonical Lorentzian quantum gravity in four spacetime dimensions in the continuum in a spin-network basis. We also display a new technique of regularization which is state dependent but we are forced to it in order to maintain diffeomorphism covariance and in that sense it is natural. We arrive naturally at the expression for the volume operator as defined by Ashtekar and Lewandowski up to a state independent factor.

  8. Dynamics of $K^+$ Production in Heavy Ion Collisions close to Threshold

    E-Print Network [OSTI]

    Christoph Hartnack

    2005-07-01T23:59:59.000Z

    In this article the production of $K^+$ at energies close to the threshold is studied in detail. The production mechanisms, the influence of in-medium effects, cross sections, the nuclear equation of state and the dynamics of the nucleons on the kaon dynamics are discussed. A special regard will be taken on the collision of Au+Au at 1.5 GeV, a reaction that has recently been analyzed in detail by experiments performed by the KaoS and FOPI collaborations at the SIS accelerator at GSI.

  9. Unique Solutions to Hartree-Fock Equations for Closed Shell Atoms

    E-Print Network [OSTI]

    M. Griesemer; F. Hantsch

    2010-12-23T23:59:59.000Z

    In this paper we study the problem of uniqueness of solutions to the Hartree and Hartree-Fock equations of atoms. We show, for example, that the Hartree-Fock ground state of a closed shell atom is unique provided the atomic number $Z$ is sufficiently large compared to the number $N$ of electrons. More specifically, a two-electron atom with atomic number $Z\\geq 35$ has a unique Hartree-Fock ground state given by two orbitals with opposite spins and identical spatial wave functions. This statement is wrong for some $Z>1$, which exhibits a phase segregation.

  10. Dynamic pressure response of water flow between closely spaced roughened flat plates

    E-Print Network [OSTI]

    Hess, John Charles

    2012-06-07T23:59:59.000Z

    of MASTER OF SCIENCE May 1993 Major Subject: Mechanical Engineering DYNAMIC PRESSURE RESPONSE OF WATER FLOW BETWEEN CLOSELY SPACED ROUGHENED FLAT PLATES A Thesis by JOHN CHARLES HESS Approved as to style and content by: Robert E. DeOtte, Jr. (Co.... S. , Texas A&M University Co-Chairs of Advisory Committee: Dr. R. E. DeOtte, Jr, Dr. G, L, Morrison A flat plate tester was designed and built to determine friction factors and dynamic pressures for water flow over smooth, knurl, and cavity...

  11. Air entrainment in transient flows in closed water pipes: a two-layer approach

    E-Print Network [OSTI]

    Bourdarias, Christian; Gerbi, Stphane

    2009-01-01T23:59:59.000Z

    In this paper, we first construct a model for transient free surface flows that takes into account the air entrainment by a sytem of 4 partial differential equations. We derive it by taking averaged values of gas and fluid velocities on the cross surface flow in the Euler equations (incompressible for the fluid and compressible for the gas). Then, we propose a mathematical kinetic interpretation of this system to finally construct a well-balanced kinetic scheme having the properties of conserving the still water steady state and possesing an energy. Finally, numerical tests on closed uniforms water pipes are performed and discussed.

  12. Stellar wind induced soft X-ray emission from close-in exoplanets

    E-Print Network [OSTI]

    Kislyakova, K G; Johnstone, C P; Holmstrm, M; Zaitsev, V V; Lammer, H

    2015-01-01T23:59:59.000Z

    In this paper, we estimate the X-ray emission from close-in exoplanets. We show that the Solar/Stellar Wind Charge Exchange Mechanism (SWCX) which produces soft X-ray emission is very effective for hot Jupiters. In this mechanism, X-ray photons are emitted as a result of the charge exchange between heavy ions in the solar wind and the atmospheric neutral particles. In the Solar System, comets produce X-rays mostly through the SWCX mechanism, but it has also been shown to operate in the heliosphere, in the terrestrial magnetosheath, and on Mars, Venus and Moon. Since the number of emitted photons is proportional to the solar wind mass flux, this mechanism is not very effective for the Solar system giants. Here we present a simple estimate of the X-ray emission intensity that can be produced by close-in extrasolar giant planets due to charge exchange with the heavy ions of the stellar wind. Using the example of HD~209458b, we show that this mechanism alone can be responsible for an X-ray emission of $\\approx 10...

  13. Effects of black hole's gravitational field on the luminosity of a star during close encounter

    E-Print Network [OSTI]

    Andreja Gomboc; Andrej Cadez

    2005-02-24T23:59:59.000Z

    To complement hydrodynamic studies of the tidal disruption of the star by a massive black hole, we present the study of stellar luminosity and its variations, produced by the strong gravitational field of the black hole during a close encounter. By simulating the relativistically moving star and its emitted light and taking into account general relativistic effects on particle and light trajectories, our results show that the black hole's gravity alone induces apparent stellar luminosity variations on typical timescales of a few r_g/c (=5 sec m_bh/10^6 M_\\odot) to a few 100 r_g/c (\\sim 10 min m_bh/10^6 M_\\odot), where r_g=Gm_bh/c^2. We discern different cases with respect to the strength of tidal interaction and focus on two: a) a star encountering a giant black hole traces space-time almost as a point particle, so that the apparent luminosity variations are dominated by clearly recognizable general relativistic effects and b) in a close encounter of a star with a black hole of similar size the stellar debris is spread about the black hole by processes where hydrodynamics plays an important role. We discuss limitations and results of our approach.

  14. Closed electron drift in a self-magnetically insulated ion diode

    SciTech Connect (OSTI)

    Pushkarev, A. I.; Isakova, Y. I. [Tomsk Polytechnic University, 2a Lenin Ave., Tomsk 634050 (Russian Federation)] [Tomsk Polytechnic University, 2a Lenin Ave., Tomsk 634050 (Russian Federation)

    2013-05-15T23:59:59.000Z

    The paper investigates a spiral geometry self-magnetically insulated ion diode with an explosive-emission cathode made from graphite. The experiments have been carried out using the TEMP-4M accelerator, with the accelerator configured to operate in double-pulse mode: the first negative pulse (300500 ns, 100150 kV) and the second positive pulse (150 ns, 250300 kV). The ion beam energy density was 0.40.8 J/cm{sup 2} and the beam was composed of carbon ions (80%85%) and protons. In order to increase the efficiency of ion current generation, we have developed a new diode with a spiral-shaped grounded electrode. Using this geometry, it seems possible to realize closed electron drift in a diode with self-magnetic insulation. In the spiral diode, the efficiency of accelerated ions is increased from 5%9% (conventional self-insulated diodes) up to 30%40%. The realization of closed electron drift in the diode increases the efficiency of C{sup +} ion generation up to 4050 times the Childe-Langmuir limit, which is more than 4 times higher than with other known constructions of self-magnetically insulated diodes.

  15. On the formation of oxygen-neon white dwarfs in close binary systems

    E-Print Network [OSTI]

    Gil-Pons, P

    2001-01-01T23:59:59.000Z

    The evolution of a star of initial mass 10 $M_{\\odot}$, and metallicity $Z = 0.02$ in a Close Binary System (CBS) is followed from its main sequence until an ONe degenerate remnant forms. Restrictions have been made on the characteristics of the companion as well as on the initial orbital parameters in order to avoid the occurrence of reversal mass transfer before carbon is ignited in the core. The system undergoes three mass loss episodes. The first and second ones are a consequence of a case B Roche lobe overflow. During the third mass loss episode stellar winds may play a role comparable to, or even more important than Roche lobe overflow. In this paper, we extend the previously existing calculations of stars of intermediate mass belonging to close binary systems by following carefully the carbon burning phase of the primary component. We also propose different possible outcomes for our scenario and discuss the relevance of our findings. In particular, our main result is that the resulting white dwarf comp...

  16. NEARBY PLANETARY SYSTEMS AS LENSES DURING PREDICTED CLOSE PASSAGES TO BACKGROUND STARS

    SciTech Connect (OSTI)

    Di Stefano, Rosanne; Matthews, James [Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138 (United States); Lepine, Sebastien [Department of Astrophysics, Division of Physical Sciences, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024 (United States)

    2013-07-10T23:59:59.000Z

    The Einstein rings and proper motions of nearby stars tend to be large. Thus, every year some foreground stars within a few hundred parsecs of Earth induce gravitational lensing events in background stars. In some of these cases, the events may exhibit evidence of planets orbiting the nearby star. In fact, planets can even be discovered during relatively distant passages. Here, we study the lensing signatures associated with planets orbiting nearby high-proper-motion stars. We find the following. (1) Wide-orbit planets can be detected for all distances of closest approach between the foreground and background stars, potentially producing independent events long before and/or after the closest approach. (2) Close-orbit planets can be detected for intermediate distances of closest approach, producing quasiperiodic signatures that may occur days or weeks before and after the stellar-lens event. (3) Planets in the so-called zone for resonant lensing can significantly increase the magnification when the distance of closest approach is small, making the stellar-lens event easier to detect, while simultaneously providing evidence for planets. Because approaches close enough to allow planets to be detected can be predicted, we can plan observing strategies to take advantage of the theoretical framework built in this paper, which describes the sequence of expected effects in terms of a sequence of detection regimes.

  17. {open_quotes}How I learned to stop worrying and begin to love competition{close_quotes}

    SciTech Connect (OSTI)

    Stojka, J.

    1995-12-31T23:59:59.000Z

    Congress has decided the electric power industry needs to be {open_quotes}demonopolized.{close_quotes} Our century-old industry has already responded to substantial change since 1978: PURPA, PUHCA, and the National Energy Policy Act come immediately to mind. PURPA created generation competition. NEPA began the process of giving {open_quotes}open access{close_quotes} to the national electric transmission system. Now the pace of change is accelerating. Upping the ante, there are even those who wonder today whether Congress will eventually proclaim utility distribution systems as common carriers, accessible by all energy providers at {open_quotes}comparable{close_quotes} prices.

  18. CAST solar axion search with 3^He buffer gas: Closing the hot dark matter gap

    E-Print Network [OSTI]

    M. Arik; S. Aune; K. Barth; A. Belov; S. Borghi; H. Brauninger; G. Cantatore; J. M. Carmona; S. A. Cetin; J. I. Collar; E. Da Riva; T. Dafni; M. Davenport; C. Eleftheriadis; N. Elias; G. Fanourakis; E. Ferrer-Ribas; P. Friedrich; J. Galan; J. A. Garcia; A. Gardikiotis; J. G. Garza; E. N. Gazis; T. Geralis; E. Georgiopoulou; I. Giomataris; S. Gninenko; H. Gomez; M. Gomez Marzoa; E. Gruber; T. Guthorl; R. Hartmann; S. Hauf; F. Haug; M. D. Hasinoff; D. H. H. Hoffmann; F. J. Iguaz; I. G. Irastorza; J. Jacoby; K. Jakovcic; M. Karuza; K. Konigsmann; R. Kotthaus; M. Krcmar; M. Kuster; B. Lakic; P. M. Lang; J. M. Laurent; A. Liolios; A. Ljubicic; V. Lozza; G. Luzon; S. Neff; T. Niinikoski; A. Nordt; T. Papaevangelou; M. J. Pivovaroff; G. Raffelt; H. Riege; A. Rodriguez; M. Rosu; J. Ruz; I. Savvidis; I. Shilon; P. S. Silva; S. K. Solanki; L. Stewart; A. Tomas; M. Tsagri; K. van Bibber; T. Vafeiadis; J. Villar; J. K. Vogel; S. C. Yildiz; K. Zioutas

    2014-09-15T23:59:59.000Z

    The CERN Axion Solar Telescope (CAST) has finished its search for solar axions with 3^He buffer gas, covering the search range 0.64 eV < m_a <1.17 eV. This closes the gap to the cosmological hot dark matter limit and actually overlaps with it. From the absence of excess X-rays when the magnet was pointing to the Sun we set a typical upper limit on the axion-photon coupling of g_ag < 3.3 x 10^{-10} GeV^{-1} at 95% CL, with the exact value depending on the pressure setting. Future direct solar axion searches will focus on increasing the sensitivity to smaller values of g_a, for example by the currently discussed next generation helioscope IAXO.

  19. Auxetic two-dimensional lattice with Poisson's Ratio arbitrarily close to -1

    E-Print Network [OSTI]

    Cabras, L

    2014-01-01T23:59:59.000Z

    In this paper we propose a new lattice structure having macroscopic Poisson's ratio arbitrarily close to the stability limit -1. We tested experimentally the effective Poisson's ratio of the micro-structured medium; the uniaxial test has been performed on a thermoplastic lattice produced with a 3d printing technology. A theoretical analysis of the effective properties has been performed and the expression of the macroscopic constitutive properties is given in full analytical form as a function of the constitutive properties of the elements of the lattice and on the geometry of the microstructure. The analysis has been performed on three micro-geometry leading to an isotropic behaviour for the cases of three-fold and six-fold symmetry and to a cubic behaviour for the case of four-fold symmetry.

  20. Numerical study on the turbulence structures in closely spaced rod bundle subchannels

    SciTech Connect (OSTI)

    Wu, X. (Univ. of Manitoba, Winnipeg (Canada). Dept. of Mechanical Engineering)

    1994-06-01T23:59:59.000Z

    Fully developed turbulent flow through simulated rod bundle subchannels formed by a rod-trapezoidal duct was numerically studied. With a simple coordinate system transformation from an orthogonal cylindrical system to a nonorthogonal curvilinear system, the highly irregular flow passage of a rod-trapezoidal duct was converted to that of a regular rectangle. An empirical anisotropic eddy viscosity distribution based on existing experimental data was used in conjunction with the algebraic stress model to address the influence of coherent large-scale cross-gap eddy motion, whose existence in closely spaced rod bundle subchannels has bene substantiated by extensive hot-wire measurements. Results of the calculation are compared with experimental data, with emphasis on secondary flow and turbulence kinetic energy. The credibility of this numerical scheme was establishment through a series of numerical tests on simple geometry flows.

  1. Cross sections for production of closed superstrings at high energy colliders in brane world models

    E-Print Network [OSTI]

    Diego Chialva; Roberto Iengo; Jorge G. Russo

    2005-05-24T23:59:59.000Z

    In brane world string models with large extra dimensions, there are processes where fermion and antifermion (or two gluons) can annihilate producing a light particle (e.g. gluon) carrying transverse momentum and a Kaluza-Klein graviton or an excited closed string that propagates in the extra dimensions. In high energy colliders, this process gives a missing momentum signature. We compute the total cross section for this process within the context of type II superstring theory in the presence of a D brane. This includes all missing energy sources for this string theory model up to s=8M_s^2, and it can be used to put new limits on the string scale M_s.

  2. Isomeric states close to doubly magic $^{132}$Sn studied with JYFLTRAP

    E-Print Network [OSTI]

    A. Kankainen; J. Hakala; T. Eronen; D. Gorelov; A. Jokinen; V. S. Kolhinen; I. D. Moore; H. Penttil; S. Rinta-Antila; J. Rissanen; A. Saastamoinen; V. Sonnenschein; J. yst

    2012-06-27T23:59:59.000Z

    The double Penning trap mass spectrometer JYFLTRAP has been employed to measure masses and excitation energies for $11/2^-$ isomers in $^{121}$Cd, $^{123}$Cd, $^{125}$Cd and $^{133}$Te, for $1/2^-$ isomers in $^{129}$In and $^{131}$In, and for $7^-$ isomers in $^{130}$Sn and $^{134}$Sb. These first direct mass measurements of the Cd and In isomers reveal deviations to the excitation energies based on results from beta-decay experiments and yield new information on neutron- and proton-hole states close to $^{132}$Sn. A new excitation energy of 144(4) keV has been determined for $^{123}$Cd$^m$. A good agreement with the precisely known excitation energies of $^{121}$Cd$^m$, $^{130}$Sn$^m$, and $^{134}$Sb$^m$ has been found.

  3. Fermi Orbital Derivatives in Self-Interaction Corrected Density Functional Theory: Applications to Closed Shell Atoms

    E-Print Network [OSTI]

    Mark R. Pederson

    2014-12-13T23:59:59.000Z

    A recent modification of the Perdew-Zunger self-interaction-correction (SIC) to the density-functional formalism (Pederson, Ruzsinszky, Perdew) has provided a framework for explicitly restoring unitary invariance to the expression for the total energy. The formalism depends upon construction of Lowdin orthonormalized Fermi-orbitals (Luken et al) which parametrically depend on variational quasi-classical electronic positions. Derivatives of these quasi-classical electronic positions, required for efficient minimization of the self-interaction corrected energy, are derived and tested here on atoms. Total energies and ionization energies in closed-shell atoms, where correlation is less important, using the PW92 LDA functional are in very good to excellent agreement with experiment and non-relativistic Quantum-Monte-Carlo (QMC) results.

  4. A new approach to teaching factory layout using closed-circuit television

    E-Print Network [OSTI]

    Britain, Jack Chancellor

    1968-01-01T23:59:59.000Z

    HNT ~ III. D. Vl&OP". "!'. NT 0! TH'": SYST'i:N ~ ~ ~ c ~ I'V. USING Tll"-' S1ST":N IN FACTOH': LAYOUT Vc BY-PPOBUCTS C!F TH"' S5'STHlf c 31 ~ ~ ~ ~ ~ 38 VI. CONC1USION ~ ~ BIBB IOGHAPHY ~ ~ ~ ~ ~ ~ c ~ ~ c ~ 45 LIST OF' TABLES 1. Table of lnit...!rpcse closed-eirou! t television system arit} deter! in" hai; it ocu5. d b;. st be u:ed 1n 113. usi rating factory leycut prit!ciples;5 th tiic limited funds available This CCT!& system was to h"ive three tit?in oh!master} s? tice. The fi&rst c f t lie se...

  5. Quantum-coupling between closely-spaced surfaces via transverse photons

    E-Print Network [OSTI]

    K. P. Sinha; A. Meulenberg; P. L. Hagelstein

    2006-10-16T23:59:59.000Z

    A quantum-mechanical formulation of energy transfer between closely spaced surfaces is given. Coupling between the two surfaces arises from the atomic dipole-dipole interaction involving transverse-photon exchange. The exchange of photons at resonance enhances the radiation transfer. The interaction between two surfaces, separated by a gap, is found to be dependent upon geometric, material, frequency, dipole, and temperature factors, along with a radiation-tunneling factor for the evanescent waves. The derived geometric term has a gap-spacing (distance) dependence that varies inversely as the second power for bulk samples to the inverse fourth power for the quantum well - quantum well case. Expressions for the net power transfer, in the near-field regime, from hot to cold surface for this case is given and evaluated for representative materials.

  6. Evaluation of Experimental Parameters in the Accelerated Aging of Closed-Cell Foam Insulation

    SciTech Connect (OSTI)

    Stovall, Therese K [ORNL; Vanderlan, Michael [ORNL; Atchley, Jerald Allen [ORNL

    2012-12-01T23:59:59.000Z

    The thermal conductivity of many closed-cell foam insulation products changes over time as production gases diffuse out of the cell matrix and atmospheric gases diffuse into the cells. Thin slicing has been shown to be an effective means of accelerating this process in such a way as to produce meaningful results. Efforts to produce a more prescriptive version of the ASTM C1303 standard test method led to the ruggedness test described here. This test program included the aging of full size insulation specimens for time periods of five years for direct comparison to the predicted results. Experimental parameters under investigation include: slice thickness, slice origin (at the surface or from the core of the slab), thin slice stack composition, product facings, original product thickness, product density, and product type. The test protocol has been completed and this report provides a detailed evaluation of the impact of the test parameters on the accuracy of the 5-year thermal conductivity prediction.

  7. Personal, closed-cycle cooling and protective apparatus and thermal battery therefor

    DOE Patents [OSTI]

    Klett, James W.; Klett, Lynn B.

    2004-07-20T23:59:59.000Z

    A closed-cycle apparatus for cooling a living body includes a heat pickup body or garment which permits evaporation of an evaporating fluid, transmission of the vapor to a condenser, and return of the condensate to the heat pickup body. A thermal battery cooling source is provided for removing heat from the condenser. The apparatus requires no external power and provides a cooling system for soldiers, race car drivers, police officers, firefighters, bomb squad technicians, and other personnel who may utilize protective clothing to work in hostile environments. An additional shield layer may simultaneously provide protection from discomfort, illness or injury due to harmful atmospheres, projectiles, edged weapons, impacts, explosions, heat, poisons, microbes, corrosive agents, or radiation, while simultaneously removing body heat from the wearer.

  8. Quantum field theory in spaces with closed time-like curves

    SciTech Connect (OSTI)

    Boulware, D.G.

    1992-12-31T23:59:59.000Z

    Gott spacetime has closed timelike curves, but no locally anomalous stress-energy. A complete orthonormal set of eigenfunctions of the wave operator is found in the special case of a spacetime in which the total deficit angle is 27{pi}. A scalar quantum field theory is constructed using these eigenfunctions. The resultant interacting quantum field theory is not unitary because the field operators can create real, on-shell, particles in the acausal region. These particles propagate for finite proper time accumulating an arbitrary phase before being annihilated at the same spacetime point as that at which they were created. As a result, the effective potential within the acausal region is complex, and probability is not conserved. The stress tensor of the scalar field is evaluated in the neighborhood of the Cauchy horizon; in the case of a sufficiently small Compton wavelength of the field, the stress tensor is regular and cannot prevent the formation of the Cauchy horizon.

  9. Quantum field theory in spaces with closed time-like curves. [Gott space

    SciTech Connect (OSTI)

    Boulware, D.G.

    1992-01-01T23:59:59.000Z

    Gott spacetime has closed timelike curves, but no locally anomalous stress-energy. A complete orthonormal set of eigenfunctions of the wave operator is found in the special case of a spacetime in which the total deficit angle is 27[pi]. A scalar quantum field theory is constructed using these eigenfunctions. The resultant interacting quantum field theory is not unitary because the field operators can create real, on-shell, particles in the acausal region. These particles propagate for finite proper time accumulating an arbitrary phase before being annihilated at the same spacetime point as that at which they were created. As a result, the effective potential within the acausal region is complex, and probability is not conserved. The stress tensor of the scalar field is evaluated in the neighborhood of the Cauchy horizon; in the case of a sufficiently small Compton wavelength of the field, the stress tensor is regular and cannot prevent the formation of the Cauchy horizon.

  10. Rotating Bose-Einstein condensates: Closing the gap between exact and mean-field solutions

    E-Print Network [OSTI]

    Cremon, J C; Karabulut, E \\" O; Kavoulakis, G M; Mottelson, B R; Reimann, S M

    2015-01-01T23:59:59.000Z

    When a Bose-Einstein condensed cloud of atoms is given some angular momentum, it forms vortices arranged in structures with a discrete rotational symmetry. For these vortex states, the Hilbert space of the exact solution separates into a "primary" space related to the mean-field Gross-Pitaevskii solution and a "complementary" space including the corrections beyond mean-field. Considering a weakly-interacting Bose-Einstein condensate of harmonically-trapped atoms, we demonstrate how this separation can be used to close the conceptual gap between exact solutions for systems with only a few atoms and the thermodynamic limit for which the mean-field is the correct leading-order approximation. Although we illustrate this approach for the case of weak interactions, it is expected to be more generally valid.

  11. Public power governance: Getting {open_quotes}nimble{close_quotes} for competition

    SciTech Connect (OSTI)

    Ottinger, G.D. [Duncan & Allen, Washington, DC (United States)

    1996-12-31T23:59:59.000Z

    Two years ago municipal utilities were asking, {open_quotes}What will we do if competition comes? What will we do if retail wheeling comes?{close_quotes} When this speech was originally prepared last fall, they were asking not if, but when. Today, we know that the answer is NOW. Retail wheeling is currently taking place in Illinois and New Hampshire, is under active consideration in many states, and has been scheduled to begin in 1998 in others. Municipal utilities must plan now on the assumption that competition and retail wheeling are inevitable. They must plan now a strategy for retaining and gaining customers on the assumption that service territory protection will soon be gone, and customers will be able to choose their electric supplier. Municipal utilities that fail to compete effectively in the future may ultimately lose their systems.

  12. Auxetic two-dimensional lattice with Poisson's Ratio arbitrarily close to -1

    E-Print Network [OSTI]

    L. Cabras; M. Brun

    2014-07-21T23:59:59.000Z

    In this paper we propose a new lattice structure having macroscopic Poisson's ratio arbitrarily close to the stability limit -1. We tested experimentally the effective Poisson's ratio of the micro-structured medium; the uniaxial test has been performed on a thermoplastic lattice produced with a 3d printing technology. A theoretical analysis of the effective properties has been performed and the expression of the macroscopic constitutive properties is given in full analytical form as a function of the constitutive properties of the elements of the lattice and on the geometry of the microstructure. The analysis has been performed on three micro-geometry leading to an isotropic behaviour for the cases of three-fold and six-fold symmetry and to a cubic behaviour for the case of four-fold symmetry.

  13. Growth of CdTe thin films on graphene by close-spaced sublimation method

    SciTech Connect (OSTI)

    Jung, Younghun; Yang, Gwangseok; Kim, Jihyun, E-mail: hyunhyun7@korea.ac.kr [Department of Chemical and Biological Engineering, Korea University, Seoul 136-701 (Korea, Republic of)] [Department of Chemical and Biological Engineering, Korea University, Seoul 136-701 (Korea, Republic of); Chun, Seungju; Kim, Donghwan [Department of Materials Science and Engineering, Korea University, Seoul 136-701 (Korea, Republic of)] [Department of Materials Science and Engineering, Korea University, Seoul 136-701 (Korea, Republic of)

    2013-12-02T23:59:59.000Z

    CdTe thin films grown on bi-layer graphene were demonstrated by using the close-spaced sublimation method, where CdTe was selectively grown on the graphene. The density of the CdTe domains was increased with increasing the number of the defective sites in the graphene, which was controlled by the duration of UV exposure. The CdTe growth rate on the bi-layer graphene electrodes was 400?nm/min with a bandgap energy of 1.451.49?eV. Scanning electron microscopy, micro-Raman spectroscopy, micro-photoluminescence, and X-ray diffraction technique were used to confirm the high quality of the CdTe thin films grown on the graphene electrodes.

  14. Molten salt considerations for accelerator-driven subcritical fission to close the nuclear fuel cycle

    SciTech Connect (OSTI)

    Sooby, Elizabeth; Baty, Austin; Gerity, James; McIntyre, Peter; Melconian, Karie; Pogue, Nathaniel; Sattarov, Akhdiyor [Department of Physics and Astronomy, Texas A and M University, 4242 TAMU, College Station TX 77843 (United States); Adams, Marvin; Tsevkov, Pavel [Nuclear Engineering, Texas A and M University, Spence St., College Station TX 77843 (United States); Phongikaroon, Supathorn [Center for Advanced Energy Studies, University of Idaho, 995 University Blvd, Idaho Falls, ID 83401 (United States); Simpson, Michael; Tripathy, Prabhat [Materials Fuels Complex, Idaho National Laboratory, Idaho Falls, ID 83415 (United States)

    2013-04-19T23:59:59.000Z

    The host salt selection, molecular modeling, physical chemistry, and processing chemistry are presented here for an accelerator-driven subcritical fission in a molten salt core (ADSMS). The core is fueled solely with the transuranics (TRU) and long-lived fission products (LFP) from used nuclear fuel. The neutronics and salt composition are optimized to destroy the transuranics by fission and the long-lived fission products by transmutation. The cores are driven by proton beams from a strong-focusing cyclotron stack. One such ADSMS system can destroy the transuranics in the used nuclear fuel produced by a 1GWe conventional reactor. It uniquely provides a method to close the nuclear fuel cycle for green nuclear energy.

  15. A CLOSE-PAIR ANALYSIS OF DAMP MERGERS AT INTERMEDIATE REDSHIFTS

    SciTech Connect (OSTI)

    Chou, Richard C. Y.; Abraham, Roberto G. [Department of Astronomy and Astrophysics, University of Toronto, 50 St. George Street, Toronto, ON M5S 3H4 (Canada); Bridge, Carrie R., E-mail: chou@astro.utoronto.ca, E-mail: abraham@astro.utoronto.ca, E-mail: bridge@astro.caltech.edu [Department of Astronomy, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125 (United States)

    2012-12-01T23:59:59.000Z

    We have studied the kinematics of {approx}2800 candidate close-pair galaxies at 0.1 < z < 1.2 identified from the Canada-France-Hawaii Telescope Legacy Survey fields. Spectra of these systems were obtained using spectrometers on the 6.5 m Magellan and 5 m Hale telescopes. These data allow us to constrain the rate of dry mergers at intermediate redshifts and to test the 'hot halo' model for quenching of star formation. Using virial radii estimated from the correlation between dynamical and stellar masses published by Leauthaud et al., we find that around 1/5 of our candidate pairs are likely to share a common dark matter halo (our metric for close physical association). These pairs are divided into red-red, blue-red, and blue-blue systems using the rest-frame colors classification method introduced in Chou et al.. Galaxies classified as red in our sample have very low star formation rates, but they need not be totally quiescent, and hence we refer to them as 'damp', rather than 'dry', systems. After correcting for known selection effects, the fraction of blue-blue pairs is significantly greater than that of red-red and blue-red pairs. Red-red pairs are almost entirely absent from our sample, suggesting that damp mergers are rare at z {approx} 0.5. Our data support models with a short merging timescale (<0.5 Gyr) in which star formation is enhanced in the early phase of mergers, but quenched in the late phase. Hot halo models may explain this behavior, but only if virial shocks that heat gas are inefficient until major mergers are nearly complete.

  16. A study of the augmented Lagrangian method for open loop and closed loop constrained multibody dynamic systems

    E-Print Network [OSTI]

    Webb, Glenn Viktor

    2012-06-07T23:59:59.000Z

    The primary objective of this thesis is to study the augmented Lagrangian method for open and closed loop constrained multibody dynamic systems. Much research has been carried out for the performance of the augmented Lagrangian formulation for open...

  17. Interaction of an aluminum atom with a closed subshell metal atom: Spectroscopic analysis of AlZn

    E-Print Network [OSTI]

    Morse, Michael D.

    Interaction of an aluminum atom with a closed subshell metal atom: Spectroscopic analysis of Al-block main group element, aluminum, and the 3d series of transi- tion metal atoms. Although the bonding in Al

  18. Active Harmonic Filtering Using Current Controlled Grid-Connected DG Units with Closed-Loop Power Control

    E-Print Network [OSTI]

    Berning, Torsten

    1 Active Harmonic Filtering Using Current Controlled Grid- Connected DG Units with Closed converters to actively compensate harmonics, this paper proposes an enhanced current control approach, which seamlessly integrates system harmonic mitigation capabilities with the primary DG power generation function

  19. U.S., North Korea sign accord on {open_quotes}resolution{close_quotes} of nuclear crisis

    SciTech Connect (OSTI)

    Wolfsthal, J.B.

    1994-09-01T23:59:59.000Z

    Following high-level talks in Geneva from August 5-12, US and North Korean officials signed an {open_quotes}agreed statement{close_quotes} outlining the basis for a {open_quotes}final resolution of the nuclear issue.{close_quotes} In a news conference after the talks, Assistant Secretary of State and chief negotiator Robert Gallucci called the agreement {open_quotes}a first step{close_quotes} that {open_quotes}we think...provides a basis on which we can build and go farther.{close_quotes} Several key issues left unresolved in the initial agreement are to be addressed during expert-level talks before high-level negotiations resume September 23.

  20. Clustered and neutron-rich low density {open_quotes}neck{close_quotes} region produced in heavy-ion collisions

    SciTech Connect (OSTI)

    Sobotka, L.G.; Dempsey, J.F.; Charity, R.J. [Department of Chemistry, Washington University, St. Louis, Missouri 63130 (United States)] [Department of Chemistry, Washington University, St. Louis, Missouri 63130 (United States); Danielewicz, P. [Department of Physics and Astronomy and the National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824 (United States)] [Department of Physics and Astronomy and the National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824 (United States)

    1997-04-01T23:59:59.000Z

    The creation of a clustered and neutron-rich midvelocity ({open_quotes}neck{close_quotes} or {open_quotes}hot spot{close_quotes}) region in intermediate-energy heavy-ion collisions is discussed. Reaction simulations suggest that the preponderance of the neutron-rich species in isotopic and isobaric ratios results primarily from the amplification of the initial neutron excess due to d (and by inference {alpha}-particle) cluster formation. {copyright} {ital 1997} {ital The American Physical Society}

  1. Final Scientific/Technical Report. A closed path methane and water vapor gas analyzer

    SciTech Connect (OSTI)

    Liukang, Xu; Dayle, McDermitt; Tyler, Anderson; Brad, Riensche; Anatoly, Komissarov; Julie, Howe

    2012-05-01T23:59:59.000Z

    Robust, economical, low-power and reliable closed-path methane (CH4), carbon dioxide (CO2), and water vapor (H2O) analyzers suitable for long-term measurements are not readily available commercially. Such analyzers are essential for quantifying the amount of CH4 and CO2 released from various ecosystems (wetlands, rice paddies, forests, etc.) and other surface contexts (e.g. landfills, animal husbandry lots, etc.), and for understanding the dynamics of the atmospheric CH4 and CO2 budget and their impact on climate change and global warming. The purpose of this project is to develop a closed-path methane, carbon dioxide gas and water vapor analyzer capable of long-term measurements in remote areas for global climate change and environmental research. The analyzer will be capable of being deployed over a wide range of ecosystems to understand methane and carbon dioxide exchange between the atmosphere and the surface. Measurements of methane and carbon dioxide exchange need to be made all year-round with limited maintenance requirements. During this Phase II effort, we successfully completed the design of the electronics, optical bench, trace gas detection method and mechanical infrastructure. We are using the technologies of two vertical cavity surface emitting lasers, a multiple-pass Herriott optical cell, wavelength modulation spectroscopy and direct absorption to measure methane, carbon dioxide, and water vapor. We also have designed the instrument application software, Field Programmable Gate Array (FPGA), along with partial completion of the embedded software. The optical bench has been tested in a lab setting with very good results. Major sources of optical noise have been identified and through design, the optical noise floor is approaching -60dB. Both laser modules can be temperature controlled to help maximize the stability of the analyzer. Additionally, a piezo electric transducer has been utilized to randomize the noise introduced from potential etalons. It is expected that all original specifications contained within the initial proposal will be met. We are currently in the beginning stages of assembling the first generation prototypes and finalizing the remaining design elements. The first prototypes will initially be tested in our environmental calibration chamber in which specific gas concentrations, temperature and humidity levels can be controlled. Once operation in this controlled setting is verified, the prototypes will be deployed at LI-COR?¢????s Experimental Research Station (LERS). Deployment at the LERS site will test the instrument?¢????s robustness in a real-world situation.

  2. Studies on the closed-loop digital control of multi-modular reactors

    SciTech Connect (OSTI)

    Bernard, J.A. (Massachusetts Inst. of Tech., Cambridge, MA (United States). Nuclear Reactor Lab.); Henry, A.F.; Lanning, D.D.; Meyer, J.E. (Massachusetts Inst. of Tech., Cambridge, MA (United States). Dept. of Nuclear Engineering)

    1992-11-01T23:59:59.000Z

    This report describes the theoretical development and the evaluation via both experiment and simulation of digital methods for the closed-loop control of power, temperature, and steam generator level in multi-modular reactors. The major conclusion of the research reported here is that the technology is currently available to automate many aspects of the operation of multi-modular plants. This will in turn minimize the number of required personnel and thus contain both operating and personnel costs, allow each module to be operated at a different power level thereby staggering the times at which refuelings would be needed, and maintain the competitiveness of US industry relative to foreign vendors who are developing and applying advanced control concepts. The technology described in this report is appropriate to the proposed multi-modular reactor designs and to present-generation pressurized water reactors. Its extension to boiling water reactors is possible provided that the commitment is made to create a real-time model of a BWR. The work reported here was performed by the Massachusetts Institute of Technology (MIT) under contract to the Oak Ridge National Laboratory (ORNL) and to the United States Department of Energy (Division of Industry and University Programs, Contract No. DE-FG07-90ER12930.)

  3. Studies on the closed-loop digital control of multi-modular reactors. Final report

    SciTech Connect (OSTI)

    Bernard, J.A. [Massachusetts Inst. of Tech., Cambridge, MA (United States). Nuclear Reactor Lab.; Henry, A.F.; Lanning, D.D.; Meyer, J.E. [Massachusetts Inst. of Tech., Cambridge, MA (United States). Dept. of Nuclear Engineering

    1992-11-01T23:59:59.000Z

    This report describes the theoretical development and the evaluation via both experiment and simulation of digital methods for the closed-loop control of power, temperature, and steam generator level in multi-modular reactors. The major conclusion of the research reported here is that the technology is currently available to automate many aspects of the operation of multi-modular plants. This will in turn minimize the number of required personnel and thus contain both operating and personnel costs, allow each module to be operated at a different power level thereby staggering the times at which refuelings would be needed, and maintain the competitiveness of US industry relative to foreign vendors who are developing and applying advanced control concepts. The technology described in this report is appropriate to the proposed multi-modular reactor designs and to present-generation pressurized water reactors. Its extension to boiling water reactors is possible provided that the commitment is made to create a real-time model of a BWR. The work reported here was performed by the Massachusetts Institute of Technology (MIT) under contract to the Oak Ridge National Laboratory (ORNL) and to the United States Department of Energy (Division of Industry and University Programs, Contract No. DE-FG07-90ER12930.)

  4. Feasibility of Close-Range Photogrammetric Models for Geographic Information System

    SciTech Connect (OSTI)

    Zhou, Luke; /Rice U.

    2011-06-22T23:59:59.000Z

    The objective of this project was to determine the feasibility of using close-range architectural photogrammetry as an alternative three dimensional modeling technique in order to place the digital models in a geographic information system (GIS) at SLAC. With the available equipment and Australis photogrammetry software, the creation of full and accurate models of an example building, Building 281 on SLAC campus, was attempted. After conducting several equipment tests to determine the precision achievable, a complete photogrammetric survey was attempted. The dimensions of the resulting models were then compared against the true dimensions of the building. A complete building model was not evidenced to be obtainable using the current equipment and software. This failure was likely attributable to the limits of the software rather than the precision of the physical equipment. However, partial models of the building were shown to be accurate and determined to still be usable in a GIS. With further development of the photogrammetric software and survey procedure, the desired generation of a complete three dimensional model is likely still feasible.

  5. Apparatus and method for closed-loop control of reactor power in minimum time

    DOE Patents [OSTI]

    Bernard, Jr., John A. (72 Paul Revere Rd., Needham Heights, MA 02194)

    1988-11-01T23:59:59.000Z

    Closed-loop control law for altering the power level of nuclear reactors in a safe manner and without overshoot and in minimum time. Apparatus is provided for moving a fast-acting control element such as a control rod or a control drum for altering the nuclear reactor power level. A computer computes at short time intervals either the function: .rho.=(.beta.-.rho.).omega.-.lambda..sub.e '.rho.-.SIGMA..beta..sub.i (.lambda..sub.i -.lambda..sub.e ')+l* .omega.+l* [.omega..sup.2 +.lambda..sub.e '.omega.] or the function: .rho.=(.beta.-.rho.).omega.-.lambda..sub.e .rho.-(.lambda..sub.e /.lambda..sub.e)(.beta.-.rho.)+l* .omega.+l* [.omega..sup.2 +.lambda..sub.e .omega.-(.lambda..sub.e /.lambda..sub.e).omega.] These functions each specify the rate of change of reactivity that is necessary to achieve a specified rate of change of reactor power. The direction and speed of motion of the control element is altered so as to provide the rate of reactivity change calculated using either or both of these functions thereby resulting in the attainment of a new power level without overshoot and in minimum time. These functions are computed at intervals of approximately 0.01-1.0 seconds depending on the specific application.

  6. ICFT: An initial closed-loop flow test of the Fenton Hill Phase II HDR reservoir

    SciTech Connect (OSTI)

    Dash, Z.V. (ed.); Aguilar, R.G.; Dennis, B.R.; Dreesen, D.S.; Fehler, M.C.; Hendron, R.H.; House, L.S.; Ito, H.; Kelkar, S.M.; Malzahn, M.V.

    1989-02-01T23:59:59.000Z

    A 30-day closed-loop circulation test of the Phase II Hot Dry Rock reservoir at Fenton Hill, New Mexico, was conducted to determine the thermal, hydraulic, chemical, and seismic characteristics of the reservoir in preparation for a long-term energy-extraction test. The Phase II heat-extraction loop was successfully tested with the injection of 37,000 m/sup 3/ of cold water and production of 23,300 m/sup 3/ of hot water. Up to 10 MW/sub t/ was extracted when the production flow rate reached 0.0139 m/sup 3//s at 192/degree/C. By the end of the test, the water-loss rate had decreased to 26% and a significant portion of the injected water was recovered; 66% during the test and an additional 20% during subsequent venting. Analysis of thermal, hydraulic, geochemical, tracer, and seismic data suggests the fractured volume of the reservoir was growing throughout the test. 19 refs., 64 figs., 19 tabs.

  7. Method for determining liquid recovery during a closed-chamber drill stem test

    SciTech Connect (OSTI)

    Finley, D.B.; Bass, A.O.

    1992-03-03T23:59:59.000Z

    This patent describes a method for determining a rate of production of well fluid produced during a closed chamber drill stem test of a subterranean formation. It comprises generating an acoustic signal capable of propagating down a well containing a drill stem test tubing; measuring a travel time of an acoustic signal reflected from an identifiable reference point in the drill stem test tubing; flowing the subterranean formation a predetermined length of time; measuring a travel time of an acoustic signal reflected from a liquid level in the drill stem test tubing during the flow interval; shutting in the flow of the subterranean formation; determining a volume of liquid produced during the flow interval based on the travel time of the reflected acoustic signal; determining a total amount of well fluid produced during the flow interval based on the volume of fluid produced and the surface pressure measurements during the flow period; and determining the rate of production from the subterranean formation during the flow period.

  8. Classification of Commutator Algebras Leading to the New Type of Closed Baker-Campbell-Hausdorff Formulas

    E-Print Network [OSTI]

    Matone, Marco

    2015-01-01T23:59:59.000Z

    We show that there are thirteen {\\it Types} of commutator algebras leading to the new closed forms of the Baker-Campbell-Hausdorff (BCH) formula $$e^Xe^Z=e^{aX+bZ+c[X,Z]+dI} \\ , $$ derived in arXiv:1502.06589, and holding also in cases when $[X,Z]$ includes elements different from $X$ and $Z$. This follows by a rescaled version of the decomposition $e^Xe^Ye^Z=e^Xe^{\\alpha Y} e^{1-\\alpha Y} e^Z$, with $\\alpha$ fixed in such a way that it reduces to the exponential product $e^{\\tilde X}e^{\\tilde Y}$ satisfying the Van-Brunt and Visser condition $[\\tilde X,\\tilde Y]=\\tilde u\\tilde X+\\tilde v\\tilde Y+\\tilde cI$. It turns out that $x:=e^\\alpha$ satisfies, in the generic case, the algebraic equation $$ x^{u+z}-x^u e^{z-w}-x^z e^v+e^{v-w+z}=0 \\ , $$ where $u,v,w$ and $z$ are the parameters in the commutators $[X,Y]=uX+vY+cI$, $[Y,Z]=wY+ zZ+ d I$. We find all the equations that characterize the solution of the above decomposition problem by combining it with the Jacobi Identity.

  9. Status Update and Closed-Loop Performance of the Magellan Adaptive Optics VisAO Camera

    E-Print Network [OSTI]

    Kopon, Derek; Males, Jared; Gasho, Victor; Morzinski, Katie; Follette, Katherine

    2014-01-01T23:59:59.000Z

    We present laboratory results of the closed-loop performance of the Magellan Adaptive Optics (AO) Adaptive Secondary Mirror (ASM), pyramid wavefront sensor (PWFS), and VisAO visible adaptive optics camera. The Magellan AO system is a 585-actuator low-emissivity high-throughput system scheduled for first light on the 6.5 meter Magellan Clay telescope in November 2012. Using a dichroic beamsplitter near the telescope focal plane, the AO system will be able to simultaneously perform visible (500-1000 nm) AO science with our VisAO camera and either 10 micron or 3-5 micron science using either the BLINC/MIRAC4 or CLIO cameras, respectively. The ASM, PWS, and VisAO camera have undergone final system tests in the solar test tower at the Arcetri Institute in Florence, Italy, reaching Strehls of 37% in i'-band with 400 modes and simulated turbulence of 14 cm ro at v-band. We present images and test results of the assembled VisAO system, which includes our prototype advanced Atmospheric Dispersion Corrector (ADC), prot...

  10. Linear motor drive system for continuous-path closed-loop position control of an object

    DOE Patents [OSTI]

    Barkman, William E. (Oak Ridge, TN)

    1980-01-01T23:59:59.000Z

    A precision numerical controlled servo-positioning system is provided for continuous closed-loop position control of a machine slide or platform driven by a linear-induction motor. The system utilizes filtered velocity feedback to provide system stability required to operate with a system gain of 100 inches/minute/0.001 inch of following error. The filtered velocity feedback signal is derived from the position output signals of a laser interferometer utilized to monitor the movement of the slide. Air-bearing slides mounted to a stable support are utilized to minimize friction and small irregularities in the slideway which would tend to introduce positioning errors. A microprocessor is programmed to read command and feedback information and converts this information into the system following error signal. This error signal is summed with the negative filtered velocity feedback signal at the input of a servo amplifier whose output serves as the drive power signal to the linear motor position control coil.

  11. A Preliminary and Simplified Closed Brayton Cycle Modeling for a Space Reactor Application

    SciTech Connect (OSTI)

    Guimaraes, Lamartine Nogueira Frutuoso; Camillo, Giannino Ponchio [Institute for Advanced Studies, Rodovia dos Tamoios, km 5.5, Putim, 12228-001, Sao Jose dos Campos, SP (Brazil)

    2008-01-21T23:59:59.000Z

    The Nuclear Energy Division (ENU) of the Institute for Advanced Studies (IEAv) has started a preliminary design study for a Closed Brayton Cycle Loop (CBCL) aimed at a space reactor application. The main objectives of the study are: 1) to establish a starting concept for the CBCL components specifications, and 2) to build a demonstrative simulator of CBCL. This preliminary design study is developing the CBCL around the NOELLE 60290 turbo machine. The actual nuclear reactor study is being conducted independently. Because of that, a conventional heat source is being used for the CBCL, in this preliminary design phase. This paper describes the steady state simulator of the CBCL operating with NOELLE 60290 turbo machine. In principle, several gases are being considered as working fluid, as for instance: air, helium, nitrogen, CO{sub 2} and gas mixtures such as helium and xenon. However, for this first application pure helium will be used as working fluid. Simplified models of heat and mass transfer were developed to simulate thermal components. Future efforts will focus on implementing a graphical interface to display the thermal process variables in steady state and to keep track of the modifications being implemented at the NOELLE 60290 turbo machine in order to build the CBCL.

  12. Design of a Simplified Closed Brayton Cycle for a Space Reactor Application

    SciTech Connect (OSTI)

    Guimaraes, Lamartine N. F. [Institute for Advanced Studies-IEAv, Rodovia dos Tamoios, km 5.5, Putim, 12228-001 Sao Jose dos Campos, SP (Brazil); Faculdade de Tecnologia Sao Francisco Jacarei, SP, Brazil 55-12-3947-5474 (Brazil); Camillo, Giannino Ponchio [Institute for Advanced Studies-IEAv, Rodovia dos Tamoios, km 5.5, Putim, 12228-001 Sao Jose dos Campos, SP (Brazil); Placco, Guilherme Moreira [Faculdade de Tecnologia Sao Francisco Jacarei, SP, Brazil 55-12-3947-5474 (Brazil)

    2009-03-16T23:59:59.000Z

    The Nuclear Energy Division (ENU) of the Institute for Advanced Studies (IEAv) has started a preliminary design study for a Closed Brayton Cycle Loop (CBCL) aimed at a space reactor application. The main objectives of the study are: 1) to establish a starting concept for the CBCL components specifications, and 2) to build a demonstrative simulator of CBCL. This preliminary design study is been developed around the NOELLE 60290 turbo machine. The actual nuclear reactor study is being conducted independently. Because of that, a conventional heat source is being used for the CBCL, in this preliminary design phase. This paper describes details of the CBCL mechanical design and the steady state simulator of the CBCL operating with NOELLE 60290 turbo machine. In principle, several gases are being considered as working fluid, as for instance: air, helium, nitrogen, CO2 and gas mixtures such as helium and xenon. However, for this first application pure helium will be used as working fluid. Simplified models of heat and mass transfer were developed to simulate thermal components. A new graphical interface was developed for the simulator to display the thermal process variables in steady state and to keep track of the modifications being implemented at the NOELLE 60290 turbo machine in order to build the CBCL. A set of new results are being produced. These new results help to establish the hot and cold source geometry allowing for price estimating costs for building the actual device. These fresh new results will be presented and discussed.

  13. Closed cycle MHD generator with nonuniform gas-plasma flow driving recombinated plasma clots

    SciTech Connect (OSTI)

    Slavin, V.S. [Krasnoyarsk State Technical Univ. (Russian Federation); Danilov, V.V.; Sokolov, V.S. [Krasnoyarsk State Univ. (Russian Federation)

    1996-12-31T23:59:59.000Z

    A new concept of a closed cycle MHD generator without alkali seed has been suggested. The essence of it is the phenomenon of frozen conductivity for recombined plasma which appears for noble gas at T{sub e} > 4,000 K. At the inlet of the MHD channel in supersonic flow of noble gas (He or Ar) the plasma clots with electron density about 10{sup 15} cm{sup {minus}3} are formed by pulsed intense electron beam with energy about 300 keV. Gas flow drives these clots in a cross magnetic field along the MHD channel which has electrodes connected with the load by Faraday scheme. The gas flow pushes plasma layers and produces electric power at the expense of enthalpy extraction. The numerical simulation has shown that a supersonic gas flow, containing about 4 plasma layers in the MHD channel simultaneously, is braked without shock waves creation. This type of the MHD generator can provide more than 30% enthalpy extraction ratio and about 80% isentropic efficiency. The advantages of the new concept are the following: (a) possibility of working at higher pressure and lower temperature, (b) operation with alkali seed.

  14. Implications of Plutonium isotopic separation on closed fuel cycles and repository design

    SciTech Connect (OSTI)

    Forsberg, C. [Massachusetts Institute of Technology, 77 Massachusetts Ave. Cambridge, MA 20129 (United States)

    2013-07-01T23:59:59.000Z

    Advances in laser enrichment may enable relatively low-cost plutonium isotopic separation. This would have large impacts on LWR closed fuel cycles and waste management. If Pu-240 is removed before recycling plutonium as mixed oxide (MOX) fuel, it would dramatically reduce the buildup of higher plutonium isotopes, Americium, and Curium. Pu-240 is a fertile material and thus can be replaced by U-238. Eliminating the higher plutonium isotopes in MOX fuel increases the Doppler feedback, simplifies reactor control, and allows infinite recycle of MOX plutonium in LWRs. Eliminating fertile Pu-240 and Pu-242 reduces the plutonium content in MOX fuel and simplifies fabrication. Reducing production of Pu-241 reduces production of Am-241 - the primary heat generator in spent nuclear fuels after several decades. Reducing heat generating Am-241 would reduce repository cost and waste toxicity. Avoiding Am- 241 avoids its decay product Np-237, a nuclide that partly controls long-term oxidizing repository performance. Most of these benefits also apply to LWR plutonium recycled into fast reactors. There are benefits for plutonium isotopic separation in fast reactor fuel cycles (particularly removal of Pu-242) but the benefits are less. (author)

  15. Impact of Resolution on Simulation of Closed Mesoscale Cellular Convection Identified by Dynamically Guided Watershed Segmentation

    SciTech Connect (OSTI)

    Martini, Matus; Gustafson, William I.; Yang, Qing; Xiao, Heng

    2014-11-27T23:59:59.000Z

    Organized mesoscale cellular convection (MCC) is a common feature of marine stratocumulus that forms in response to a balance between mesoscale dynamics and smaller scale processes such as cloud radiative cooling and microphysics. We use the Weather Research and Forecasting model with chemistry (WRF-Chem) and fully coupled cloud-aerosol interactions to simulate marine low clouds during the VOCALS-REx campaign over the southeast Pacific. A suite of experiments with 3- and 9-km grid spacing indicates resolution-dependent behavior. The simulations with finer grid spacing have smaller liquid water paths and cloud fractions, while cloud tops are higher. The observed diurnal cycle is reasonably well simulated. To isolate organized MCC characteristics we develop a new automated method, which uses a variation of the watershed segmentation technique that combines the detection of cloud boundaries with a test for coincident vertical velocity characteristics. This ensures that the detected cloud fields are dynamically consistent for closed MCC, the most common MCC type over the VOCALS-REx region. We demonstrate that the 3-km simulation is able to reproduce the scaling between horizontal cell size and boundary layer height seen in satellite observations. However, the 9-km simulation is unable to resolve smaller circulations corresponding to shallower boundary layers, instead producing invariant MCC horizontal scale for all simulated boundary layers depths. The results imply that climate models with grid spacing of roughly 3 km or smaller may be needed to properly simulate the MCC structure in the marine stratocumulus regions.

  16. Method for closing a drift between adjacent in-situ oil shale retorts

    SciTech Connect (OSTI)

    Hines, A.E.

    1984-04-10T23:59:59.000Z

    A row of horizontally spaced-apart in situ oil shale retorts is formed in a subterranean formation containing oil shale. Each row of retorts is formed by excavating development drifts at different elevations through opposite side boundaries of a plurality of retorts in the row of retorts. Each retort is formed by explosively expanding formation toward one or more voids within the boundaries of the retort site to form a fragmented permeable mass of formation particles containing oil shale in each retort. Following formation of each retort, the retort development drifts on the advancing side of the retort are closed off by covering formation particles within the development drift with a layer of crushed oil shale particles having a particle size smaller than the average particle size of oil shale particles in the adjacent retort. In one embodiment, the crushed oil shale particles are pneumatically loaded into the development drift to pack the particles tightly all the way to the top of the drift and throughout the entire cross section of the drift. The closure between adjacent retorts provided by the finely divided oil shale provides sufficient resistance to gas flow through the development drift to effectively inhibit gas flow through the drift during subsequent retorting operations.

  17. Method for closing a drift between adjacent in situ oil shale retorts

    DOE Patents [OSTI]

    Hines, Alex E. (Grand Junction, CO)

    1984-01-01T23:59:59.000Z

    A row of horizontally spaced-apart in situ oil shale retorts is formed in a subterranean formation containing oil shale. Each row of retorts is formed by excavating development drifts at different elevations through opposite side boundaries of a plurality of retorts in the row of retorts. Each retort is formed by explosively expanding formation toward one or more voids within the boundaries of the retort site to form a fragmented permeable mass of formation particles containing oil shale in each retort. Following formation of each retort, the retort development drifts on the advancing side of the retort are closed off by covering formation particles within the development drift with a layer of crushed oil shale particles having a particle size smaller than the average particle size of oil shale particles in the adjacent retort. In one embodiment, the crushed oil shale particles are pneumatically loaded into the development drift to pack the particles tightly all the way to the top of the drift and throughout the entire cross section of the drift. The closure between adjacent retorts provided by the finely divided oil shale provides sufficient resistance to gas flow through the development drift to effectively inhibit gas flow through the drift during subsequent retorting operations.

  18. Universality of weakly bound dimers and Efimov trimers close to Li-Cs Feshbach resonances

    E-Print Network [OSTI]

    Ulmanis, J; Pires, R; Kuhnle, E D; Weidemller, M; Tiemann, E

    2015-01-01T23:59:59.000Z

    We study the interspecies scattering properties of ultracold Li-Cs mixtures in their two energetically lowest spin channels in the magnetic field range between 800 G and 1000 G. Close to two broad Feshbach resonances we create weakly bound LiCs dimers by radio-frequency association and measure the dependence of the binding energy on the external magnetic field strength. Based on the binding energies and complementary atom loss spectroscopy of three other Li-Cs s-wave Feshbach resonances we construct precise molecular singlet and triplet electronic ground state potentials using a coupled-channels calculation. We extract the Li-Cs interspecies scattering length as a function of the external field and obtain almost a ten-fold improvement in the precision of the values for the pole positions and widths of the s-wave Li-Cs Feshbach resonances as compared to our previous work [Pires \\textit{et al.}, Phys. Rev. Lett. \\textbf{112}, 250404 (2014)]. We discuss implications on the Efimov scenario and the universal geome...

  19. Quantum maximum-entropy principle for closed quantum hydrodynamic transport within a Wigner function formalism

    SciTech Connect (OSTI)

    Trovato, M. [Dipartimento di Matematica, Universita di Catania, Viale A. Doria, I-95125 Catania (Italy); Reggiani, L. [Dipartimento di Ingegneria dell' Innovazione and CNISM, Universita del Salento, Via Arnesano s/n, I-73100 Lecce (Italy)

    2011-12-15T23:59:59.000Z

    By introducing a quantum entropy functional of the reduced density matrix, the principle of quantum maximum entropy is asserted as fundamental principle of quantum statistical mechanics. Accordingly, we develop a comprehensive theoretical formalism to construct rigorously a closed quantum hydrodynamic transport within a Wigner function approach. The theoretical formalism is formulated in both thermodynamic equilibrium and nonequilibrium conditions, and the quantum contributions are obtained by only assuming that the Lagrange multipliers can be expanded in powers of ({h_bar}/2{pi}){sup 2}. In particular, by using an arbitrary number of moments, we prove that (1) on a macroscopic scale all nonlocal effects, compatible with the uncertainty principle, are imputable to high-order spatial derivatives, both of the numerical density n and of the effective temperature T; (2) the results available from the literature in the framework of both a quantum Boltzmann gas and a degenerate quantum Fermi gas are recovered as a particular case; (3) the statistics for the quantum Fermi and Bose gases at different levels of degeneracy are explicitly incorporated; (4) a set of relevant applications admitting exact analytical equations are explicitly given and discussed; (5) the quantum maximum entropy principle keeps full validity in the classical limit, when ({h_bar}/2{pi}){yields}0.

  20. UNIVERSITY OF MASSACHUSETTS AMHERST CAMERA USE The purpose of this policy is to regulate the use of closed circuit television (CCTV) cameras to monitor and record

    E-Print Network [OSTI]

    Massachusetts at Amherst, University of

    security plan using state-of-the-art technology is closed circuit television (CCTV). B. The purpose of CCTV

  1. The phylogeny of Mediterranean tortoises and their close relativesbased on complete mitochondrial genome sequences from museumspecimens

    SciTech Connect (OSTI)

    Parham, James F.; Macey, J. Robert; Papenfuss, Theodore J.; Feldman, Chris R.; Turkozan, Oguz; Polymeni, Rosa; Boore, Jeffrey

    2005-04-29T23:59:59.000Z

    As part of an ongoing project to generate a mitochondrial database for terrestrial tortoises based on museum specimens, the complete mitochondrial genome sequences of 10 species and a {approx}14 kb sequence from an eleventh species are reported. The sampling of the present study emphasizes Mediterranean tortoises (genus Testudo and their close relatives). Our new sequences are aligned, along with those of two testudinoid turtles from GenBank, Chrysemys picta and Mauremys reevesii, yielding an alignment of 14,858 positions, of which 3,238 are parsimony informative. We develop a phylogenetic taxonomy for Testudo and related species based on well-supported, diagnosable clades. Several well-supported nodes are recovered, including the monophyly of a restricted Testudo, T. kleinmanni + T. marginata (the Chersus clade), and the placement of the enigmatic African pancake tortoise (Malacochersustornieri) within the predominantly Palearctic greater Testudo group (Testudona tax. nov.). Despite the large amount of sequence reported, there is low statistical support for some nodes within Testudona and Sowe do not propose names for those groups. A preliminary and conservative estimation of divergence times implies a late Miocene diversification for the testudonan clade (6-12 million years ago), matching their first appearance in the fossil record. The multi-continental distribution of testudonan turtles can be explained by the establishment of permanent connections between Europe, Africa, and Asia at this time. The arrival of testudonan turtles to Africa occurred after one or more initial tortoise invasions gave rise to the diverse (>25 species) 'Geochelone complex.'Two unusual genomic features are reported for the mtDNA of one tortoise, M. tornieri: (1) nad4 has a shift of reading frame that we suggest is resolved by translational frameshifting of the mRNA on the ribosome during protein synthesis and (2) there are two copies of the control region and trnF, with the latter having experienced multiple nucleotide substitutions in a pattern suggesting that each is being maintained by selection.

  2. Simple uniaxial pressure device for ac-susceptibility measurements suitable for closed cycle refrigerator system

    SciTech Connect (OSTI)

    Arumugam, S.; Manivannan, N.; Murugeswari, A. [High Pressure Low Temperature Lab, School of Physics, Bharathidasan University, Tiruchirappalli 620 024 (India)

    2007-06-15T23:59:59.000Z

    A simple design of the uniaxial pressure device for the measurement of ac-susceptibility at low temperatures using closed cycle refrigerator system is presented for the first time. This device consists of disc micrometer, spring holder attachment, uniaxial pressure cell, and the ac-susceptibility coil wound on stycast bobbin. It can work under pressure till 0.5 GPa and at the temperature range of 30-300 K. The performance of the system at ambient pressure is tested and calibrated with standard paramagnetic salts [Gd{sub 2}O{sub 3}, Er{sub 2}O{sub 3}, and Fe(NH{sub 4}SO{sub 4}){sub 2}6H{sub 2}O], Fe{sub 3}O{sub 4}, Gd metal, Dy metal, superconductor (YBa{sub 2}Cu{sub 3}O{sub 7}), manganite (La{sub 1.85}Ba{sub 0.15}MnO{sub 3}), and spin glass material (Pr{sub 0.8}Sr{sub 0.2}MnO{sub 3}). The performance of the uniaxial pressure device is demonstrated by investigating the uniaxial pressure dependence of La{sub 1.85}Ba{sub 0.15}MnO{sub 3} single crystal with P parallel c axis. The Curie temperature (T{sub c}) decreases as a function of pressure with P parallel c axis (dT{sub c}/dP{sub parallelcaxis}=-11.65 K/GPa) up to 46 MPa. The design is simple, is user friendly, and does not require pressure calibration. Measurement can even be made on thin and small size oriented crystals. The failure of the coil is remote under uniaxial pressure. The present setup can be used as a multipurpose uniaxial pressure device for the measurement of Hall effect and thermoelectric power with a small modification in the pressure cell.

  3. On the Size Distribution of Close-In Extrasolar Giant Planets

    E-Print Network [OSTI]

    B. Scott Gaudi

    2005-06-28T23:59:59.000Z

    The precisions of extrasolar planet radius measurements are reaching the point at which meaningful and discriminatory comparisons with theoretical predictions are can be made. However, care must be taken to account for selection effects in the transit surveys that detect the transiting planets for which radius measurements are possible. Here I identify one such selection effect, such that the number of planets with radius R_p detected in a signal-to-noise ratio limited transit survey is proportional to R_p^alpha, with alpha~4-6. In the presence of a dispersion sigma in the intrinsic distribution of planet radii, this selection effect translates to bias b in the radii of observed planets. Detected planets are, on average, larger by a fractional amount b ~ alpha (sigma/)^2 relative to the mean radius of the underlying distribution. I argue that the intrinsic dispersion in planetary radii is likely to be in the range sigma = (0.05-0.13)R_J, where the lower bound is that expected theoretically solely from the variance in stellar insolation, and the upper bound is the 95% c.l. upper limit from the scatter in observed radii. Assuming an arbitrary but plausible value of sigma/~10%, and thus b~6%, I infer a mean intrinsic radius of close-in massive extrasolar planets of =(1.03+/-0.01)R_J. This value reinforces the case for HD209458b having an anomalously large radius, and may be inconsistent with coreless models of irradiated giant planets.

  4. Excitation of oscillation modes by tides in close binaries: constraints on stellar and orbital parameters

    E-Print Network [OSTI]

    B. Willems

    2003-09-01T23:59:59.000Z

    The parameter space favourable for the resonant excitation of free oscillation modes by dynamic tides in close binary components is explored using qualitative considerations to estimate the order of magnitude of the tidal force and the frequency range covered by the tidally induced oscillations. The investigation is valid for slowly rotating stars with masses in the interval between 2 and 20 solar masses, and an evolutionary stage ranging from the beginning to the end of the main sequence. Oscillation modes with eigenfrequencies of the order of five times the inverse of the star's dynamical time scale - i.e. the lowest-order p-modes, the f-mode, and the lowest-order g-modes - are found to be outside the favourable parameter space since their resonant excitation requires orbital eccentricities that are too high for the binary to stay detached when the components pass through the periastron of their relative orbit. Resonances between dynamic tides and g-modes with frequencies of the order of half of the inverse of the star's dynamical time scale on the other hand are found to be favourable for orbital periods up to 200 times the star's dynamical time scale, provided that the binary mass ratio q is larger than 1/3 and the orbital eccentricity e is larger than approximately 0.25. This favourable range comes down to orbital periods of up to 5-12 days in the case of 2-20 solar mass zero-age main-sequence binary components, and orbital periods of up to 21-70 days in the case of terminal main-sequence binary components.

  5. Closing the Gaps in the Budgets of Methane and Nitrous Oxide

    SciTech Connect (OSTI)

    Khalil, Aslam; Rice, Andrew; Rasmussen, Reinhold

    2013-11-22T23:59:59.000Z

    Together methane and nitrous oxide contribute almost 40% of the estimated increase in radiative forcing caused by the buildup of greenhouse gases during the last 250 years (IPCC, 2007). These increases are attributed to human activities. Since the emissions of these gases are from biogenic sources and closely associated with living things in the major terrestrial ecosystems of the world, climate change is expected to cause feedbacks that may further increase emissions even from systems normally classified as natural. Our results support the idea that while past increases of methane were driven by direct emissions from human activities, some of these have reached their limits and that the future of methane changes may be determined by feedbacks from warming temperatures. The greatly increased current focus on the arctic and the fate of the carbon frozen in its permafrost is an example of such a feedback that could exceed the direct increases caused by future human activities (Zimov et al. 2006). Our research was aimed at three broad areas to address open questions about the global budgets of methane and nitrous oxide. These areas of inquiry were: The processes by which methane and nitrous oxide are emitted, new sources such as trees and plants, and integration of results to refine the global budgets both at present and of the past decades. For the process studies the main research was to quantify the effect of changes in the ambient temperature on the emissions of methane and nitrous oxide from rice agriculture. Additionally, the emissions of methane and nitrous oxide under present conditions were estimated using the experimental data on how fertilizer applications and water management affect emissions. Rice was chosen for detailed study because it is a prototype system of the wider terrestrial source, its role in methane emissions is well established, it is easy to cultivate and it represents a major anthropogenic source. Here we will discuss the highlights of the results that were obtained.

  6. Apparatus for adjusting and maintaining the humidity of gas at a constant value within a closed system

    DOE Patents [OSTI]

    Abernathy, B.R.; Walters, R.R.

    1985-08-05T23:59:59.000Z

    The humidity of a gas within a closed system is maintained at constant level by providing a saturated salt solution within a lower chamber in communication with an upper chamber conjointly defined by upper and lower container sections in sealing contact with each other to establish a closed container. A partition wall separates the salt solution from the test region in the upper chamber. A tube extending through the partition plate allows humidified gas to pass from the lower to the upper chamber. A glass wool plug or membranous material within the tube prevents migration of salt into the test region.

  7. On-board Velocity Estimation and Closed-loop Control of a Quadrotor UAV based on Optical Flow

    E-Print Network [OSTI]

    On-board Velocity Estimation and Closed-loop Control of a Quadrotor UAV based on Optical Flow an efficient fall back routine for any kind of UAV (Unmanned Aerial Vehicles) since we rely solely. The results show that our approach is able to recover the ego-motion of a flying UAV in realistic conditions

  8. Supplier Identify Need Determine Best Value & Select Supplier Place Order Receive Order Payment Close Order, Inventory, Recycle Non-Preferred

    E-Print Network [OSTI]

    Shull, Kenneth R.

    Close Order, Inventory, Recycle Non-Preferred Vendor/Non-Catalog REQuisition Approver(s) receive or service by an external company For purchases of goods over $5000, follow inventory process Ready to dispose or recycle? See Equipment Inventory & Disposal policy Yes Requestor creates a non

  9. Binary and ternary gas mixtures with temperature enhanced diffuse glow discharge characteristics for use in closing switches

    DOE Patents [OSTI]

    Christophorou, L.G.; Hunter, S.R.

    1988-06-28T23:59:59.000Z

    An improvement to the gas mixture used in diffuse glow discharge closing switches is disclosed which includes binary and ternary gas mixtures which are formulated to exhibit decreasing electron attachment with increasing temperature. This increases the efficiency of the conductance of the glow discharge and further inhibits the formation of an arc. 11 figs.

  10. 823revision:2005-05-31modified:2005-06-01 Closed subgroups of the infinite symmetric group

    E-Print Network [OSTI]

    Shelah, Saharon

    823revision:2005-05-31modified:2005-06-01 Closed subgroups of the infinite symmetric group George M-05-31modified:2005-06-01 2 GEORGE M. BERGMAN AND SAHARON SHELAH for arbitrary subgroups; but we will show

  11. Electrodynamics II Exam 1. Part A (176 pts.) Closed Book Radiation and Scattering Name KSU 2006/02/21

    E-Print Network [OSTI]

    Wysin, Gary

    ) (24) Determine the scattered electric field Esc in the radiation zone. d) (24) Averaging over incidentElectrodynamics II Exam 1. Part A (176 pts.) Closed Book Radiation and Scattering Name KSU 2006) when the sources J(r, t) and (r, t) have harmonic time dependence? 2. (12) In radiation problems

  12. Micro-hydropower: status and prospects IT Power Limited, The Manor House, Chineham Court, Luytens Close, Chineham, Hants, UK

    E-Print Network [OSTI]

    Kammen, Daniel M.

    , Luytens Close, Chineham, Hants, UK Abstract: Hydropower on a small scale, or micro-hydro, is one productivity and lifetime. Hydropower on a small-scale, or micro-hydro, is the exploitation of a river's hydro. 1.1 Small-scale hydro Hydropower has various degrees of `smallness'. To date there is still

  13. Cash crops, smallholder decision-making and institutional interactions in a closing-frontier: Calakmul, Campeche, Mexico

    E-Print Network [OSTI]

    Robeson, Scott M.

    -frontier: Calakmul, Campeche, Mexico Author(s): Eric Keys and Rinku Roy Chowdhury Source: Journal of Latin American decision-making and institutional interactions in a closing frontier: Calakmul, Campeche, Mexico Eric Keys and policy factors in the municipality of Calakmul in Campeche, Mexico. Jalapeno chili is the foremost market

  14. Binary and ternary gas mixtures with temperature enhanced diffuse glow discharge characteristics for use in closing switches

    DOE Patents [OSTI]

    Christophorou, L.G.; Hunter, S.R.

    1990-06-26T23:59:59.000Z

    An improvement to the gas mixture used in diffuse glow discharge closing switches is disclosed which includes binary and ternary gas mixtures which are formulated to exhibit decreasing electron attachment with increasing temperature. This increases the efficiency of the conductance of the glow discharge and further inhibits the formation of an arc. 11 figs.

  15. URL: http://www.elsevier.nl/locate/entcs/volume68.html 18 pages Timed CSP = Closed Timed Automata 1

    E-Print Network [OSTI]

    Ouaknine, Joël

    URL: http://www.elsevier.nl/locate/entcs/volume68.html 18 pages Timed CSP = Closed Timed Automata 1 70118, USA Abstract We study the expressive power of an augmented version of Timed CSP and show constraints. We also show that this new version of Timed CSP is expressive enough to capture the most widely

  16. IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES, VOL. 25, NO. 3, SEPTEMBER 2002 347 Closed-Loop Electroosmotic Microchannel

    E-Print Network [OSTI]

    Santiago, Juan G.

    for microprocessor cooling because they do not require an external electrical power supply and the working fluid Closed-Loop Electroosmotic Microchannel Cooling System for VLSI Circuits Linan Jiang, James Mikkelsen circuits motivate research on compact cooling technologies with low thermal resistance. This paper develops

  17. 410 BULLETIN OF THE UNITED STATES FISH COMMISSION. The closing item of this correspondence was by Professor Baird, who,

    E-Print Network [OSTI]

    attribute to the great quantity of crabs found there. I have h v a y s observed that bass fishing was best fish. The absence or the presence of menhaden on the coast does not affect the bass fishery, except410 BULLETIN OF THE UNITED STATES FISH COMMISSION. The closing item of this correspondence

  18. THE BLOCK MUSEUM IS OPEN DURING CONSTRUCTION! Arts Circle Drive is closed due to a construction project on Northwestern's

    E-Print Network [OSTI]

    Shahriar, Selim

    THE BLOCK MUSEUM IS OPEN DURING CONSTRUCTION! Arts Circle Drive is closed due to a construction project on Northwestern's south campus. The following information tells you how to reach the Museum during on the northeast side of the garage and take the pedestrian walkway to the Block Museum. The Museum is the glass

  19. A close-up of the Sun (shown in ultraviolet light) reveals a mottled surface, bright flares,

    E-Print Network [OSTI]

    Christian, Eric

    #12;#12;A close-up of the Sun (shown in ultraviolet light) reveals a mottled surface, bright flares, and tongues of hot gas leaping into space. Though they look like burns in the face of the Sun, sunspots circle in the center of the photo--allows scientists to see the solar wind streaming away from the Sun

  20. Transfer-matrix simulations of field emission from bundles of open and closed ,,5,5... carbon nanotubes

    E-Print Network [OSTI]

    Mayer, Alexandre

    Transfer-matrix simulations of field emission from bundles of open and closed ,,5,5... carbon simulations of field emission from bundles of metallic 5,5 carbon nanotubes, which are either ideally open.35.Kt, 03.65.Nk I. INTRODUCTION Carbon nanotubes show interesting field-emission proper- ties