Sample records for nasa giss surface

  1. Institute on Climate and Planets http://icp.giss.nasa.gov/ The Role of the Atmosphere and Greenhouse Effect in

    E-Print Network [OSTI]

    http://icp.giss.nasa.gov/ The Role of the Atmosphere and Greenhouse Effect in Determining the Surface. This process is the natural greenhouse effect. The earths surface receives solar energy and energy reradiated

  2. The Way Forward2 Authors: David Rind, NASA GISS; Ralph A. Kahn, NASA GSFC; Mian Chin, NASA3

    E-Print Network [OSTI]

    ; Hongbin Yu, NASA GSFC; Patricia Quinn, NOAA PMEL;5 Rangasayi Halthore, NASA HQ/NRL6 7 4.1. Major Research

  3. NASA Surface meteorology and Solar Energy: Methodology

    E-Print Network [OSTI]

    Firestone, Jeremy

    1 NASA Surface meteorology and Solar Energy: Methodology Energy Technology (RET) projects. These climatological profiles are used for designing systems that have of the renewable energy resource potential can be determined for any location on the globe. That estimate may

  4. Future climate change under RCP emission scenarios with GISS ModelE2

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

    Nazarenko, L.; Schmidt, G. A.; Miller, R. L.; Tausnev, N.; Kelley, M.; Ruedy, R.; Russell, G. L.; Aleinov, I.; Bauer, M.; Bauer, S.; et al

    2015-03-01T23:59:59.000Z

    We examine the anthropogenically forced climate response for the 21st century representative concentration pathway (RCP) emission scenarios and their extensions for the period 2101–2500. The experiments were performed with ModelE2, a new version of the NASA Goddard Institute for Space Sciences (GISS) coupled general circulation model that includes three different versions for the atmospheric composition components: a noninteractive version (NINT) with prescribed composition and a tuned aerosol indirect effect (AIE), the TCAD version with fully interactive aerosols, whole-atmosphere chemistry, and the tuned AIE, and the TCADI version which further includes a parameterized first indirect aerosol effect on clouds. Each atmosphericmore »version is coupled to two different ocean general circulation models: the Russell ocean model (GISS-E2-R) and HYCOM (GISS-E2-H). By 2100, global mean warming in the RCP scenarios ranges from 1.0 to 4.5°#2;C relative to 1850–1860 mean temperature in the historical simulations. In the RCP2.6 scenario, the surface warming in all simulations stays below a 2#2;°C threshold at the end of the 21st century. For RCP8.5, the range is 3.5–4.5°#2;C at 2100. Decadally averaged sea ice area changes are highly correlated to global mean surface air temperature anomalies and show steep declines in both hemispheres, with a larger sensitivity during winter months. By the year 2500, there are complete recoveries of the globally averaged surface air temperature for all versions of the GISS climate model in the low-forcing scenario RCP2.6. TCADI simulations show enhanced warming due to greater sensitivity to CO?, aerosol effects, and greater methane feedbacks, and recovery is much slower in RCP2.6 than with the NINT and TCAD versions. All coupled models have decreases in the Atlantic overturning stream function by 2100. In RCP2.6, there is a complete recovery of the Atlantic overturning stream function by the year 2500 while with scenario RCP8.5, the E2-R climate model produces a complete shutdown of deep water formation in the North Atlantic.« less

  5. NASA/TP--2003210793 Lunar Surface Reference Missions

    E-Print Network [OSTI]

    Rathbun, Julie A.

    Hanover, MD 21076-1320 #12;July 2003 NASA/TP--2003­210793 Lunar Surface Reference Missions: A Description Hanover, MD 21076-1320 Springfield, VA 22161 301-

  6. The draft paper "Global Surface Temperature Change" by Hansen, Ruedy, Sato and Lo is available at http://data.giss.nasa.gov/gistemp/paper/gistemp2010_draft0601.pdf. This is an

    E-Print Network [OSTI]

    Hansen, James E.

    for a purely scientific problem. Our comments here about communication of this climate change science-made climate change. We have the impression that the effect of politicization on communication of the science/2010/201006_JamboreePosters.ppt. 10. Summary Discussion Human-made climate change has become an issue of surpassing

  7. NASA Academy Program Descriptions

    E-Print Network [OSTI]

    Wang, Z. Jane

    NASA Academy Program Descriptions October 2010 #12;NASA Academy Program Descriptions 2011 October 11, 2010 1/5 NASA Academy at ARC, GRC, GSFC, and MSFC Websites: Ames: http://academy.arc.nasa.gov Glenn: http://academy.grc.nasa.gov Goddard: http://academy.gsfc.nasa.gov Marshall: http://academy

  8. Los Alamos, NASA

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

    Unusual light in dark space revealed by Los Alamos, NASA November 7, 2014 Near-infrared data could change the way we think about galaxies LOS ALAMOS, N.M., Nov. 7, 2014-By looking...

  9. NASA/CP--2006214202 NASA Space Exploration Logistics Workshop

    E-Print Network [OSTI]

    de Weck, Olivier L.

    Hanover, MD 21076-1320 #12;NASA/CP--2006­214202 NASA Space Exploration Logistics Workshop Proceedings Standard Drive Hanover, MD 21076-1320 (301) 621-0390 #12;4 Massachusetts Institute of Technology SOLE

  10. Surfaces

    E-Print Network [OSTI]

    DeMaio, Ernest Vincent, 1964-

    1989-01-01T23:59:59.000Z

    Surfaces is a collection of four individual essays which focus on the characteristics and tactile qualities of surfaces within a variety of perceived landscapes. Each essay concentrates on a unique surface theme and purpose; ...

  11. NASA SP-4009 APOLLO SPACECRAFT

    E-Print Network [OSTI]

    Rathbun, Julie A.

    NASA SP-4009 THE APOLLO SPACECRAFT VOLUME IV January 21, 1966-July 13, 1974 hy Ivan D. Ertel (revised) Main entry under title: The Apollo spacecraft. (The NASA historical series) (NASA SP-4009. 8, 1962-Sept. 30, 1964. [etc.] Includes bibliographical references. 1. Project Apollo. I. Ertel

  12. NASA Technical Memorandum 108846 Interviews with the Apollo

    E-Print Network [OSTI]

    Rathbun, Julie A.

    NASA Technical Memorandum 108846 Interviews with the Apollo Lunar Surface Astronauts in Support-1000 #12;Interviews with the Apollo Lunar Surface Astronauts in Support of Planning for EVA Systems Design interviews were conducted with the Apollo astronauts who landed on the Moon. The purpose of these interviews

  13. To be removed from Jim Hansen's e-mail distribution respond with REMOVE as subject. A draft paper "Current GISS Global Surface Temperature Analysis" is available at

    E-Print Network [OSTI]

    Hansen, James E.

    denial and business-as-usual are recognizably dirty, yet effective. We are continually burdened (perhaps this is their main objective), a waste of tax-payer money. Our #12;analyses are freely available

  14. The NASA Food Commercial Space

    E-Print Network [OSTI]

    Lin, Zhiqun

    The NASA Food Technology Commercial Space Center and How Your Company Can Participate space Commercial Space Center Iowa State University 2901 South Loop Drive, Suite 3700 Ames, IA 50010-8632 Phone Manager NASA Food Technology Commercial Space Center Iowa State University 2901 South Loop Drive, Suite

  15. NASA Launches Next-Generation Communications Satellite

    E-Print Network [OSTI]

    Christian, Eric

    .nasa.gov Volume 9 Issue 1 February 2013 #12;T he first of NASA's three next-generation Tracking and Data Relay Space Launch Complex-41. After a three-month test phase, NASA will accept the spacecraft for additional rocket blasts off from Space Launch Complex-41 with NASA's Tracking and Data Relay Satellite (TDRS

  16. December 2003 NASA/TM--2003212809

    E-Print Network [OSTI]

    by NASA-sponsored contractors and grantees. · CONFERENCE PUBLICATION. Collected papers from scientific

  17. NASA Remote Sensing Validation Data: Saudi Arabia

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

    Myers, Daryl R. [NREL; Al-Abbadi, Naif [King Abdulaziz City for Science and Technology, Energy Research Institite; Wilcox, Steve [NREL

    Since 1995, the King Abdulaziz City for Science and Technology (KACST) and the National Renewable Energy Laboratory (NREL) have co-operated to establish a 12 station network of high quality solar radiation monitoring installations across the Kingdom of Saudi Arabia. NREL and KACST realized the value of accurate surface solar radiation flux measurements for validation of satellite derived surface and atmospheric solar radiation flux measurements, and is making this data available to support validation of satellite data products related to the NASA Mission to Planet Earth component of the Earth Science Enterprise Earth Observing System (EOS) project to evaluate long term climate trends based on measuements from EOS Terra Platforms. A CIMEL 8 channel sunphotometer for measuring aerosol optical depth at 6 wavelengths and total column water has been deployed at the Solar Village station since February 24, 1999. [Taken from http://rredc.nrel.gov/solar/new_data/Saudi_Arabia/

  18. Characterizing Aerosol Distributions and Optical Properties Using the NASA Langley High Spectral Resolution Lidar

    SciTech Connect (OSTI)

    Hostetler, Chris; Ferrare, Richard

    2013-02-14T23:59:59.000Z

    The objective of this project was to provide vertically and horizontally resolved data on aerosol optical properties to assess and ultimately improve how models represent these aerosol properties and their impacts on atmospheric radiation. The approach was to deploy the NASA Langley Airborne High Spectral Resolution Lidar (HSRL) and other synergistic remote sensors on DOE Atmospheric Science Research (ASR) sponsored airborne field campaigns and synergistic field campaigns sponsored by other agencies to remotely measure aerosol backscattering, extinction, and optical thickness profiles. Synergistic sensors included a nadir-viewing digital camera for context imagery, and, later in the project, the NASA Goddard Institute for Space Studies (GISS) Research Scanning Polarimeter (RSP). The information from the remote sensing instruments was used to map the horizontal and vertical distribution of aerosol properties and type. The retrieved lidar parameters include profiles of aerosol extinction, backscatter, depolarization, and optical depth. Products produced in subsequent analyses included aerosol mixed layer height, aerosol type, and the partition of aerosol optical depth by type. The lidar products provided vertical context for in situ and remote sensing measurements from other airborne and ground-based platforms employed in the field campaigns and was used to assess the predictions of transport models. Also, the measurements provide a data base for future evaluation of techniques to combine active (lidar) and passive (polarimeter) measurements in advanced retrieval schemes to remotely characterize aerosol microphysical properties. The project was initiated as a 3-year project starting 1 January 2005. It was later awarded continuation funding for another 3 years (i.e., through 31 December 2010) followed by a 1-year no-cost extension (through 31 December 2011). This project supported logistical and flight costs of the NASA sensors on a dedicated aircraft, the subsequent analysis and archival of the data, and the presentation of results in conferences, workshops, and publications. DOE ASR field campaigns supported under this project included - MAX-Mex /MILAGRO (2006) - TexAQS 2006/GoMACCS (2006) - CHAPS (2007) - RACORO (2009) - CARE/CalNex (2010) In addition, data acquired on HSRL airborne field campaigns sponsored by other agencies were used extensively to fulfill the science objectives of this project and the data acquired have been made available to other DOE ASR investigators upon request.

  19. Climate response to projected changes in short-lived species under an A1B scenario from 2000-2050 in the GISS climate model

    E-Print Network [OSTI]

    Shindell, Drew T.

    2008-01-01T23:59:59.000Z

    causes a negative forcing, surface temperatures there showed a slight warming consistent with the global

  20. NASA HISTORY: NEWS. & NOTES NASA History Office . NASA Headquarters . Washington, D.C. 20546' Winter 1984-85

    E-Print Network [OSTI]

    NASA HISTORY: NEWS. & NOTES NASA History Office . NASA Headquarters . Washington, D.C. 20546--project Viking- s told in Linda N. l')zell and F,dward C. ~zell, On Mars: F.xploration of the Red Planet, Ig58 History Office, starting FY 85, plans to fund the research and writing of a publishable history either

  1. Multi-model ensemble simulations of tropospheric NO2 compared with GOME retrievals for the year 2000

    E-Print Network [OSTI]

    2006-01-01T23:59:59.000Z

    South America Southeast Asia GMI-CCM GMI-DAO GMI-GISS IMAGESPark et al. (2004) GMI-CCM NASA Global Modeling Initiativechemistry climate models (CCMs) – GMI-CCM, GMI-GISS, IMPACT,

  2. NASA/SP2009566-ADD Human Exploration of Mars

    E-Print Network [OSTI]

    Waliser, Duane E.

    Access Help Desk NASA Center for AeroSpace Information 7121 Standard Hanover, MD 21076-1320 #12;NASA

  3. Interim Draft for Internal NASA Use Only NASA SPACE FLIGHT PROGRAM AND

    E-Print Network [OSTI]

    Christian, Eric

    ............................................................................40 2.6 Use of Earned Value ManagementInterim Draft for Internal NASA Use Only INTERIM NASA SPACE FLIGHT PROGRAM AND PROJECT MANAGEMENT............................................................................................................................2 1.4 Overview of Management Process

  4. NASA/TP-2006-214203 Logistics Lessons Learned in NASA Space Flight

    E-Print Network [OSTI]

    de Weck, Olivier L.

    -0390 · Write to: NASA STI Help Desk NASA Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076://spacelogistics.mit.edu NASA Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076-1320 (301) 621-0390 #12

  5. Lori Garver, NASA Deputy Administrator NASA Cyber Security Awareness Month Symposium

    E-Print Network [OSTI]

    us of the importance of constant vigilance to ensure on-line safety and security both at work the CIO community does everything they can to protect our cyber security ­ the power actually does restLori Garver, NASA Deputy Administrator NASA Cyber Security Awareness Month Symposium NASA

  6. Remarks at NASA 50 Anniversary Gala

    E-Print Network [OSTI]

    Remarks at NASA 50 th Anniversary Gala by Neil Armstrong 24 Sep 08 In the summer of 1958 of the fabled X-1 research airplane series. NASA became an operating agency on October 1, 1958. I found myself was not forever imprisoned by the gravitational field of Earth. Performance, efficiency, reliability and safety

  7. NASA HISTORY DIVISION Office of External Relations

    E-Print Network [OSTI]

    apollo 40th anniversary events NASA Headquarters hosted the Apollo 40th Anniversary History Symposium on 16 July 2009 in the NASA Headquarters James Webb auditorium. The "Apollo: History and Legacy anniversary of the launch of Apollo 11. The discussion began with remarks by Associate Administrator (and

  8. NASA HISTORY: CALENDAR YEAR 2006 IN REVIEW I. Introduction

    E-Print Network [OSTI]

    : NASA's Nuclear Program at Plum Brook Station, 1955-2005 (NASA SP-2006-4317), by Mark D. Bowles Vehicle (NASA SP- 2006-4535), by Gene J. Matranga, C. Wayne Ottinger, Calvin R. Jarvis with D. Christian

  9. NASA/TM2013218030 The Chorus Conflict and Loss of

    E-Print Network [OSTI]

    Maddalon, Jeffrey M.

    to: NASA STI Help Desk NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076 from: NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076-1320 443-757-5802 #12

  10. NASA's Composite Portfolio: Department of Energy Workshop Fiber...

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

    NASA 's Composites Portfolio Department of Energy Workshop Fiber Reinforced Polymer Composites Manufacturing Presented by: John Vickers January 13, 2014 www.nasa.gov...

  11. NASA-Surface Meteorology and Solar Energy | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLu anMicrogreenMoon

  12. UESC Project Overview: NASA Ames Research Center

    Broader source: Energy.gov [DOE]

    Presentation—given at the Fall 2011 Federal Utility Partnership Working Group (FUPWG) meeting—provides an overview of the NASA Ames Research Center's Utility Energy Services Contract (UESC) project.

  13. August 2002 NASA/TM--2002211612

    E-Print Network [OSTI]

    Richardson, John

    Access Help Desk NASA Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076­1320 #12 Standard Drive 5285 Port Royal Road Hanover, MD 21076­1320 Springfield, VA 22161 Price Code: A17 Price Code

  14. December 2006 NASA/TM2006214147

    E-Print Network [OSTI]

    Claustre, Hervé

    : NASAAccess Help Desk NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076­1320 #12Space Information National Technical Information Service 7115 Standard Drive 5285 Port Royal Road Hanover, MD 21076

  15. NASA/TM2013218033 Rewriting Modulo SMT

    E-Print Network [OSTI]

    Muñoz, César A.

    Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076­1320 #12;NASA/TM­2013Space Information 7115 Standard Drive Hanover, MD 21076-1320 443-757-5802 #12;Abstract Combining symbolic techniques

  16. NASA/TM--2001210880 Photographic Analysis Technique

    E-Print Network [OSTI]

    Christian, Eric

    Access Help Desk NASA Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076­1320 (301 Port Royal Road Hanover, MD 21076­1320 Springfield, VA 22161 (301) 621­0390 (703) 487

  17. NASA/TM2009215726 Formally Verified Practical

    E-Print Network [OSTI]

    Butler, Ricky W.

    Hanover, MD 21076­1320 #12;NASA/TM­2009­215726 Formally Verified Practical Algorithms For Recovery From) National Technical Information Service (NTIS) 7115 Standard Drive 5285 Port Royal Road Hanover, MD 21076

  18. NASA Launches New Earth Observation Satellite

    E-Print Network [OSTI]

    Christian, Eric

    Goddard View The Weekly ­ 2 NASA Launches New Earth Observation Satellite ­ 3 3-D printing Creates Complex free online access to the information. This revolution has al- lowed scientists to detect changes over

  19. Shuttle Spinoffs www.nasa.gov

    E-Print Network [OSTI]

    : Homeowners are insulating their homes with the same lightweight, flexible aerogel NASA uses to insulate: Rescue squads use a new handheld cutter to remove accident victims from wrecked vehicles. Based

  20. Name Institution Asay-Davis, Xylar LANL

    E-Print Network [OSTI]

    NASA GISS / Columbia University Goldner, Aaron Purdue University Gutowski, Gail University of Texas University of Colorado, Boulder Ranken, Doug Los Alamos National Laboratory Raup, Bruce NSIDC / University

  1. Management and Performance NASA'S APPROACH TO PERFORMANCE MANAGEMENT

    E-Print Network [OSTI]

    Waliser, Duane E.

    TO PERFORMANCE MANAGEMENT conduct the Agency's day-to-day work. Figure 1 depicts NASA's organizational structureManagement and Performance NASA'S APPROACH TO PERFORMANCE MANAGEMENT NASA's FY 2015 Management as an organization and NASA's approach to performance management, strategic planning, and performance reporting

  2. NASA HISTORY: CALENDAR YEAR 2003 IN REVIEW Introduction

    E-Print Network [OSTI]

    , Mark. NASA's Nuclear Frontier: the Plum Brook Research Reactor (NASA SP-2003 of Flight (NASA SP-2002-09-511-HQ). NASA History Office Books from Other Publishers Bilstein, Roger E. This particular book also features an accompanying CD, full of interesting and relevant media on the Centaur

  3. NASA Centennial Challenges were initiated in 2005 to directly engage

    E-Print Network [OSTI]

    Waliser, Duane E.

    competitions for infusion into NASA missions. Enable Challenge competitors to develop and/or expand business

  4. NASA/TP2009213146REVISION A International Space Station

    E-Print Network [OSTI]

    analysis. · CONTRACTOR REPORT. Scientific and technical findings by NASA-sponsored contractors and grantees

  5. February 2013 NASA/TM2013-217969

    E-Print Network [OSTI]

    Maddalon, Jeffrey M.

    by NASA-sponsored contractors and grantees. CONFERENCE PUBLICATION. Collected papers from scientific

  6. NASA/TM2002217743 Title of My Paper

    E-Print Network [OSTI]

    analysis. · CONTRACTOR REPORT. Scientific and technical findings by NASA-sponsored contractors and grantees

  7. NASA/TP2014216648/REV1 Small Spacecraft Technology

    E-Print Network [OSTI]

    analysis. CONTRACTOR REPORT. Scientific and technical findings by NASA-sponsored contractors and grantees

  8. NASA/TP--2006214434 Examination of the Armagh Observatory

    E-Print Network [OSTI]

    by NASA-sponsored contractors and grantees. · CONFERENCE PUBLICATION. Collected papers from scientific

  9. The NASA CSTI High Capacity Power Program

    SciTech Connect (OSTI)

    Winter, J.M.

    1994-09-01T23:59:59.000Z

    The SP-100 program was established in 1983 by DOD, DOE, and NASA as a joint program to develop the technology necessary for space nuclear power systems for military and civil applications. During 1986 and 1987, the NASA Advanced Technology Program was responsible for maintaining the momentum of promising technology advancement efforts started during Phase I of SP-100 and to strengthen, in key areas, the chances for successful development and growth capability of space nuclear reactor power systems for future space applications. In 1988, the NASA Advanced Technology Program was incorporated into NASA`s new Civil Space Technology Initiative (CSTI). The CSTI program was established to provide the foundation for technology development in automation and robotics, information, propulsion, and power. The CSTI High Capacity Power Program builds on the technology efforts of the SP-100 program, incorporates the previous NASA advanced technology project, and provides a bridge to the NASA exploration technology programs. The elements of CSTI high capacity power development include conversion systems - Stirling and thermoelectric, thermal management, power management, system diagnostics, and environmental interactions. Technology advancement in all areas, including materials, is required to provide the growth capability, high reliability and 7 to 10 years lifetime demanded for future space nuclear power systems. The overall program will develop and demonstrate the technology base required to provide a wide range of modular power systems while minimizing the impact of day/night operation as well as attitudes and distance from the Sun. Significant accomplishments in all of the program elements will be discussed, along with revised goals and project timelines recently developed.

  10. AC 2007-504: NASA OPPORTUNITIES FOR FACULTY AT MINORITY INSTITUTIONS: REFLECTIONS OF NASA ADMINISTRATOR FELLOWS

    E-Print Network [OSTI]

    Everett, Louis J.

    interests include robotics, machine design, dynamics and control systems. He began his NAFP tenure in 2006 is currently in his second year of his fellowship working at NASA Headquarters as Special Assistant to the Deputy Assistant Administrator in the Office of Education. Scott Askew, NASA R. Scott Askew received his

  11. www.nasa.gov Strategic Plan

    E-Print Network [OSTI]

    Waliser, Duane E.

    panels retracted into the shadows of its protective solar shield, approaches the Sun in this artist's con, an environment able to support microbial life. (Credit: NASA/JPL­Caltech) Solar Probe Plus, its primary solar- cept. Managed by the Goddard Space Flight Center, Solar Probe Plus will repeatedly sample the near

  12. NASA's Planetary Science Program Support of Radioisotope

    E-Print Network [OSTI]

    Rathbun, Julie A.

    500 1000 1500 2000 MMRTG ASRG Total Thermal Power Waste Heat Electric power = 1 GPHS block 7 #12NASA's Planetary Science Program Support of Radioisotope Power Capability James L. Green, Director timeline · ASRG and MMRTG systems and plans · DoE Infrastructure Review · Summary 2 #12;Over 50 years

  13. www.nasa.gov Fiscal Year

    E-Print Network [OSTI]

    to the International Space Station (ISS) since last November, to complete its construction and outfit (also known as GOES-P), was accepted into service. It is designed to watch for storm development with students around the country to help widen the pipeline of future leaders. #12;ii NASA'sFY2010Performanceand

  14. NASA TECHNICAL NOTE APOLLO EXPERIENCE REPORT -

    E-Print Network [OSTI]

    Rathbun, Julie A.

    .' 1 * . NASA TECHNICAL NOTE APOLLO EXPERIENCE REPORT - SPACECRAFT STRUCTURAL WINDOWS by Oruis E(s)) ' Apollo Spacecraft * Chemically Tempered ' Fracture Mechanics 'h e a l e d Glass * Coatings ' Thermally is presented for the Apollo command and lunar modules. This report presents window design philosophy, design

  15. NASA HISTORY: CALENDAR YEAR 2004 IN REVIEW Introduction

    E-Print Network [OSTI]

    Publications Bowles, Mark D., and Bob Arrighi. NASA's Nuclear Frontier: the Plum Brook Research Reactor (NASA with the February, 2004 issue. Book contracts were awarded or in progress on planetary protection, aeronautics

  16. NASA/TP2011217067 State-Based Implicit Coordination

    E-Print Network [OSTI]

    Narkawicz, Anthony J.

    Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076­1320 #12;NASA/TP­2011­217067 State. Available from: NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076-1320 443

  17. Strategic Research to Enable NASA's Exploration Missions Conference

    E-Print Network [OSTI]

    Rathbun, Julie A.

    21076 #12;Strategic Research to Enable NASA's Exploration Missions Conference Abstracts NASA/TM--2004 21076 National Technical Information Service 5285 Port Royal Road Springfield, VA 22100 Trade names

  18. November 2014 NASA/TM2014-218548

    E-Print Network [OSTI]

    Muñoz, César A.

    to: STI Information Desk NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076, Virginia #12;Available from: NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076

  19. NASA/CR2003212153 A Stochastic Collocation Algorithm

    E-Print Network [OSTI]

    Mathelin, Lionel

    NASA Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076­1320 #12;NASA/CR­2003 Information Service (NTIS) 7121 Standard Drive 5285 Port Royal Road Hanover, MD 21076­1320 Springfield, VA

  20. https://zulu.ssc.nasa.gov/mrsid/ Gary Parker

    E-Print Network [OSTI]

    Parker, Gary

    https://zulu.ssc.nasa.gov/mrsid/ Gary Parker 2008 Bill Dietrich, Tetsuji Muto, Chuck Nittrouer://zulu.ssc.nasa.gov/mrsid/ "Blocked valley lake" Blake and Ollier (1971) Dietrich et al. (1999) blocked valley lake) #12; Google

  1. Unusual light in dark space revealed by Los Alamos, NASA

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

    Unusual light in dark space revealed by Los Alamos, NASA Unusual light in dark space revealed by Los Alamos, NASA By looking at the dark spaces between visible galaxies and stars...

  2. NASA/TM2009000000 From Verified Models to Verifiable

    E-Print Network [OSTI]

    Muñoz, César A.

    7115 Standard Drive Hanover, MD 21076­1320 #12;NASA/TM­2009­000000 From Verified Models to Verifiable

  3. NASA Office of Inspector General Office of Audits

    E-Print Network [OSTI]

    Waliser, Duane E.

    NASA Office of Inspector General Office of Audits Report No. IG-15-003 NASA'S LAUNCH SUPPORT Center October 23, 2014 NASA Office of Inspector General Office of Audits IG-15-003 (A-13 National Aeronautics and Space Administration #12;Office of Inspector General To report, fraud, waste

  4. THE WIDEST PRACTICABLE DISSEMINATION: THE NASA TECHNICAL REPORT SERVER

    E-Print Network [OSTI]

    Fridlind, Ann

    THE WIDEST PRACTICABLE DISSEMINATION: THE NASA TECHNICAL REPORT SERVER Michael L. Nelson to distribute NASA's infor­ mation lead a grass­roots team to create the NASA Techni­ cal Report Server (NTRS servers residing on the Internet. Users have imme­ diate desktop access to technical publications from

  5. Earth-directed Coronal Mass Ejection STEREO-B (NASA)

    E-Print Network [OSTI]

    University College London

    /NASA): Launched 1995 Hinode (JAXA): Launched 2006 STEREO-A (NASA): Launched 2006 SDO (NASA): Launched 2010 #12;The are large-scale eruptions of solar material into the heliosphere · Each can release 1012 to 1013 kg (1 to 10 of detrimental `space weather' effects on human systems #12;#12;#12;· The twin STEREO spacecraft were launched

  6. Meeting Report--NASA Radiation Biomarker Workshop

    SciTech Connect (OSTI)

    Straume, Tore; Amundson, Sally A,; Blakely, William F.; Burns, Frederic J.; Chen, Allen; Dainiak, Nicholas; Franklin, Stephen; Leary, Julie A.; Loftus, David J.; Morgan, William F.; Pellmar, Terry C.; Stolc, Viktor; Turteltaub, Kenneth W.; Vaughan, Andrew T.; Vijayakumar, Srinivasan; Wyrobek, Andrew J.

    2008-05-01T23:59:59.000Z

    A summary is provided of presentations and discussions from the NASA Radiation Biomarker Workshop held September 27-28, 2007, at NASA Ames Research Center in Mountain View, California. Invited speakers were distinguished scientists representing key sectors of the radiation research community. Speakers addressed recent developments in the biomarker and biotechnology fields that may provide new opportunities for health-related assessment of radiation-exposed individuals, including for long-duration space travel. Topics discussed include the space radiation environment, biomarkers of radiation sensitivity and individual susceptibility, molecular signatures of low-dose responses, multivariate analysis of gene expression, biomarkers in biodefense, biomarkers in radiation oncology, biomarkers and triage following large-scale radiological incidents, integrated and multiple biomarker approaches, advances in whole-genome tiling arrays, advances in mass-spectrometry proteomics, radiation biodosimetry for estimation of cancer risk in a rat skin model, and confounding factors. Summary conclusions are provided at the end of the report.

  7. NASA Net Zero Energy Buildings Roadmap

    SciTech Connect (OSTI)

    Pless, S.; Scheib, J.; Torcellini, P.; Hendron, B.; Slovensky, M.

    2014-10-01T23:59:59.000Z

    In preparation for the time-phased net zero energy requirement for new federal buildings starting in 2020, set forth in Executive Order 13514, NASA requested that the National Renewable Energy Laboratory (NREL) to develop a roadmap for NASA's compliance. NASA detailed a Statement of Work that requested information on strategic, organizational, and tactical aspects of net zero energy buildings. In response, this document presents a high-level approach to net zero energy planning, design, construction, and operations, based on NREL's first-hand experience procuring net zero energy construction, and based on NREL and other industry research on net zero energy feasibility. The strategic approach to net zero energy starts with an interpretation of the executive order language relating to net zero energy. Specifically, this roadmap defines a net zero energy acquisition process as one that sets an aggressive energy use intensity goal for the building in project planning, meets the reduced demand goal through energy efficiency strategies and technologies, then adds renewable energy in a prioritized manner, using building-associated, emission- free sources first, to offset the annual energy use required at the building; the net zero energy process extends through the life of the building, requiring a balance of energy use and production in each calendar year.

  8. The recent compilation of the 2006 National Aeronautics and Space Administration (NASA)

    E-Print Network [OSTI]

    Administration (NASA) History Division Year in Review (online at http:// history.nasa.gov/2006.pdf) has prompted

  9. Evolution of Risk Management at NASA in the Context of Achieving Adequate Safety

    Broader source: Energy.gov [DOE]

    Presenter: Homayoon Dezfuli, Ph.D. NASA Technical Fellow for System Safety Office of Safety and Mission Assurance NASA Headquarters

  10. A Brief History of the Lunar Roving Vehicle As Part of the History of the NASA Marshall Space Flight Center,

    E-Print Network [OSTI]

    #12;A Brief History of the Lunar Roving Vehicle As Part of the History of the NASA Marshall Space, Technical Editor For more information about the history of the Marshall Space Flight Center go to http vehicle on the surface of the moon. This booklet generally recounts the steps that the Marshall Space

  11. Comparison of different global information sources used in surface radiative flux calculation

    E-Print Network [OSTI]

    ), the Laboratoire de Me´te´orologie Dynamique, NOAA/NASA Pathfinder Advanced Very High Resolution Radiometer project Spectroradiometer product, the NASA Global Energy and Water Cycle Experiment Surface Radiation Budget project surface albedos in the near-infrared remain poorly constrained (highly uncertain), they do not cause too

  12. Programmatic status of NASA`s CSTI high capacity power Stirling Space Power Converter Program

    SciTech Connect (OSTI)

    Dudenhoefer, J.E.

    1994-09-01T23:59:59.000Z

    An overview is presented of the NASA Lewis Research Center Free-Piston Stirling Space Power Converter Technology Development Program. This work is being conducted under NASA`s Civil Space Technology Initiative (CSTI). The goal of the CSTI High Capacity Power element is to develop the technology base needed to meet the long duration, high capacity power requirements for future NASA space initiatives. Efforts are focused upon increasing system thermal and electric energy conversion efficiency at least fivefold over current SP-100 technology, and on achieving systems that are compatible with space nuclear reactors. This paper will discuss the status of test activities with the Space Power Research Engine (SPRE). Design deficiencies are gradually being corrected and the power converter is now outputting 11.5 kWe at a temperature ratio of 2 (design output is 12.5 kWe). Detail designs have been completed for the 1050 K Component Test Power Converter (CTPC). The success of these and future designs is dependent upon supporting research and technology efforts including heat pipes, gas bearings, superalloy joining technologies and high efficiency alternators. This paper also provides an update of progress in these technologies.

  13. The NASA CSTI High Capacity Power Project

    SciTech Connect (OSTI)

    Winter, J.; Dudenhoefer, J.; Juhasz, A.; Schwarze, G.; Patterson, R.; Ferguson, D.; Titran, R. [National Aeronautics and Space Administration, Cleveland, OH (United States). Lewis Research Center; Schmitz, P. [Sverdrup Technology, Inc., Brook Park, OH (United States). Lewis Research Center Group; Vandersande, J. [Jet Propulsion Lab., Pasadena, CA (United States)

    1994-09-01T23:59:59.000Z

    The SP-100 Space Nuclear Power Program was established in 1983 by DOD, DOE, and NASA as a joint program to develop technology for military and civil applications. Starting in 1986, NASA has funded a technology program to maintain the momentum of promising aerospace technology advancement started during Phase I of SP-100 and to strengthen, in key areas, the changes for successful development and growth capability of space nuclear reactor power systems for a wide range of future space applications. The elements of the CSTI High Capacity Power Project include Systems Analysis, Stirling Power Conversion, Thermoelectric Power Conversion, Thermal Management, Power Management, Systems Diagnostics, Environmental Interactions, and Material/Structural Development. Technology advancement in all elements is required to provide the growth capability, high reliability and 7 to 10 year lifetime demanded for future space nuclear power systems. The overall project with develop and demonstrate the technology base required to provide a wide range of modular power systems compatible with the SP-100 reactor which facilitates operation during lunar and planetary day/night cycles as well as allowing spacecraft operation at any attitude or distance from the sun. Significant accomplishments in all of the project elements will be presented, along with revised goals and project timelines recently developed.

  14. NASA Advisory Council Space Operations Committee July 2010

    E-Print Network [OSTI]

    Waliser, Duane E.

    to solar panels Hubble spectrometer · · · Corrosion Lab · Coatings with microcapsules ­ self healing to minimize boil-off Aerogels Wire insulation ­ detection and healing layer · · Collaboration between NASA

  15. Sandia Energy - NASA Award for Marginal Ice Zone Observations...

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

    Alaska. (Photo by Mark Ivey) Sandians Mark Ivey and Darin Desilets (both in Sandia's Geophysics and Atmospheric Sciences Dept.) were included in a NASA Group Achievement Award "for...

  16. Performance characterization of the NASA standard detonator

    SciTech Connect (OSTI)

    Tarbell, W.W. [Sandia National Labs., Albuquerque, NM (United States); Burke, T.L.; Solomon, S.E. [Component Engineering, USBI, Huntsville, AL (United States)

    1995-05-01T23:59:59.000Z

    The NASA Standard Detonator (NSD) is employed in support of a number of current applications, including the Space Shuttle. This effort was directed towards providing test results to characterize the output of this device for its use in a safe and arm device. As part of the investigation, flash X-ray was used to provide stop-motion photographs of the flying metal plate that is created by initiation of the detonator. This provided researchers with a better understanding of the shape and character of the high-velocity disk as it propagated across the gap between the detonator and next assembly. The second portion of the study used a velocity interferometer to evaluate the acceleration and velocity histories of the flying plate, providing a quantified assessment of the detonator`s ability to initiate the explosive in the next explosive.

  17. Administracin Nacional de Aeronutica y del Espacio DatosdelaNASA

    E-Print Network [OSTI]

    realiza investigaciones principalmente en dos centros de campo de agencias: el Centro de Investigaciones Ames de la NASA y el Centro de Investigaciones Langley de la NASA; además, colabora con la industria izquierda a derecha) Laboratorio de Operaciones de Tráfico Aéreo: este laboratorio, que incluye simuladores

  18. National Aeronautics and Space Administration www.nasa.gov

    E-Print Network [OSTI]

    Christian, Eric

    A Sustainable Goddard Begins With An Environmental Management System - 10 Safety Awareness Campaign - 10 Goddard Spotlight - 12 Cover: The Blue Marble: Next Generation is a series of im- ages that show the color; fewer people know that NASA also studies Earth. Since the agency's creation almost 50 years ago, NASA

  19. NASA Office of Inspector General Office of Audits

    E-Print Network [OSTI]

    Waliser, Duane E.

    NASA Office of Inspector General Office of Audits Report No. IG-15-002 AUDIT OF NASA'S PREMIUM AIR General Office of Audits IG-15-002 (A-14-010-00) With limited exceptions, the General Services TRAVEL October 21, 2014 National Aeronautics and Space Administration #12;Office of Inspector General

  20. National Aeronautics and Space Administration www.nasa.gov

    E-Print Network [OSTI]

    Waliser, Duane E.

    Rani Gran Goddard TV, THEMIS Producer 0/286-248 44/226-77 cell Rani .C .Gran@nasa .gov NASA Kennedy window of 6:08 P .M . ­ 6:27 P .M . The Delta II rocket carrying THEMIS will lift off from Launch Complex

  1. NASA Exploration and Innovation Lead to New Discoveries Five heavyweight

    E-Print Network [OSTI]

    Waliser, Duane E.

    NASA Exploration and Innovation Lead to New Discoveries Five heavyweight lifting-body designs 1960 1961 1962 19641963 1965 1966 1967 1968 19691959 Lifting Bodies 1962-1975 Gemini 1962 disposal. Weather Satellites 1960-Present NASA launched the first Television Infrared

  2. Lori Garver, NASA Deputy Administrator NSSC Quarterly Meeting

    E-Print Network [OSTI]

    resources, information technology, and business support -- NASA would not be able to accomplish the amazing services business model works, not only for the 85% of Fortune 500 companies that use it, but also;2 Your efforts are improving service to those throughout NASA and improving efficiency. As Chair

  3. November 2006 NASA/TM-2006-214518

    E-Print Network [OSTI]

    Muñoz, César A.

    -0390 · Write to: NASA STI Help Desk NASA Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076 Standard Drive 5285 Port Royal Road Hanover, MD 21076-1320 Springfield, VA 22161-2171 (301) 621-0390 (703

  4. October 2006 NASA/CR-2006-214298

    E-Print Network [OSTI]

    Muñoz, César A.

    -0390 · Write to: NASA STI Help Desk NASA Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076 Standard Drive 5285 Port Royal Road Hanover, MD 21076-1320 Springfield, VA 22161-2171 (301) 621-0390 (703

  5. National Aeronautics and Space Administration NASA Research Announcements

    E-Print Network [OSTI]

    Christian, Eric

    Research Center #12;NASA Wildfire Response R&D, Applications and Technology Implementation Armstrong Using the Global Land Ice Measurements from Space (GLIMS) Database Atlas, Robert NASA Goddard Space, Validating and Distributing Science Community-Driven Carbon, Water and Energy Cycling Data Products

  6. National Aeronautics and Space Administration www.nasa.gov

    E-Print Network [OSTI]

    Christian, Eric

    ). For more information about NASA's Green Building, please visit the Web site: http://www.nasa.gov/centers/goddard/news/green_building 02 GoddardUpdate Table of Contents Goddard Updates Construction Update #4 on New Science Building ­ 2 in a recurring series of articles chronicling the construction of Goddard's Exploration Sciences Building (ESB

  7. A Monthly Safety Bulletin The Office of the NASA

    E-Print Network [OSTI]

    the Federal Aviation Administration (FAA) and National Aeronautics and Space Administration (NASA to support the FAA in its mission to eliminate unsafe conditions in the national aviation systemA Monthly Safety Bulletin from The Office of the NASA Aviation Safety Reporting System, P.O. Box

  8. NASA Launches ATREX Space Network to Begin New Design Phase

    E-Print Network [OSTI]

    Christian, Eric

    Design Phase - 8 Dual Frequency Radar Arrives at Goddard - 9 Goddard Community Visitor Center Hosts TitanNASA Launches ATREX Pg 3 Space Network to Begin New Design Phase Pg 8 Visitor Center Hosts Titan://www.nasa.gov/centers/goddard/news/goddard-view.html Managing Editor: Trusilla Steele Editor: John M. Putman News items for publication in Goddard View must

  9. National Aeronautics and Space Administration NASA Ames Arc Jet Complex

    E-Print Network [OSTI]

    data on new, advanced TPS concepts being developed at NASA Ames Research Center, other NASA centers supplies (20 MW and 150 MW), a steam ejector-driven vacuum syste water cooling system, high-pressure gas system data acquisition system, and other auxiliary subsystems. r hypersonic entry into planetary

  10. National Aeronautics and Space Administration www.nasa.gov

    E-Print Network [OSTI]

    Christian, Eric

    2006 Table of Contents GoddardUpdates Goddard Updates NASA Watches Total Eclipse from Libya and Turkey Libya. Libya provided the best location to see the solar phenomena; the expansive Sahara Desert podcasts. Live webcasts and NASA TV coverage from Turkey began at 5 a.m. EST March 29. In addition to Libya

  11. ISS Utilization Status and Plans NASA Advisory Council

    E-Print Network [OSTI]

    Waliser, Duane E.

    ISS Utilization Status and Plans NASA Advisory Council Commercial Space Committee Joel Montalbano Deputy ISS Program Manager for Research NASA 1 March 2013 #12;Ø Ø Ø Ø Ø Ø International Space Station,164 km/h (17,500 mph) = 7823.2 m/s (a bullet from a high powered rifle travels at ~1500 m/s) The solar

  12. Space Robotic Capabilities David Kortenkamp (NASA Johnson Space Center)

    E-Print Network [OSTI]

    Kortenkamp, David

    Johnson Space Center Space Robotic Capabilities David Kortenkamp (NASA Johnson Space Center) Liam) David Wettergreen (Carnegie Mellon University) Dan Clancy (NASA Ames) #12;Johnson Space Center 12/18/2001 Space Robotics State-of-Art 2 ! Motivation Science Objectives Mission Concepts Robots Human

  13. NASA Renews Multi-Million Dollar FundingNASA Renews Multi-Million Dollar Funding The National Aeronautics and Space Administration

    E-Print Network [OSTI]

    Aeronautics and Space Administration (NASA) has renewed its support of the Antarctic Im- pulsive Transient

  14. NASA Home > News & Features > News Topics > Solar System > Features Send Print Share > Log In To MyNASA | > Sign Up

    E-Print Network [OSTI]

    Arizona, University of

    overhead to provide a birds-eye view of mountain ranges, lakes and canyons. On the ground, a rover or lakeNASA Home > News & Features > News Topics > Solar System > Features Send Print Share > Log In To MyNASA | > Sign Up News & Features News Topics Shuttle & Station Moon & Mars Solar System Sun-Earth System

  15. National Aeronautics and Space Administration -1 NASA 2012 Strategic Sustainability Performance Plan

    E-Print Network [OSTI]

    Waliser, Duane E.

    's sustainability objectives are to: · increase energy efficiency; · increase the use of renewable energy; · measure#12;National Aeronautics and Space Administration - 1 #12;NASA 2012 Strategic Sustainability, culture, and expectations. NASA's sustainability policy is to execute NASA's mission without compromising

  16. The NASA Astrophysics Data System: Overview

    E-Print Network [OSTI]

    M. J. Kurtz; G. Eichhorn; A. Accomazzi; C. Grant; S. S. Murray; J. M. Watson

    2000-02-04T23:59:59.000Z

    The NASA Astrophysics Data System Abstract Service has become a key component of astronomical research. It provides bibliographic information daily, or near daily, to a majority of astronomical researchers worldwide. We describe the history of the development of the system and its current status. We show several examples of how to use the ADS, and we show how ADS use has increased as a function of time. Currently it is still increasing exponentially, with a doubling time for number of queries of 17 months. Using the ADS logs we make the first detailed model of how scientific journals are read as a function of time since publication. The impact of the ADS on astronomy can be calculated after making some simple assumptions. We find that the ADS increases the efficiency of astronomical research by 333 Full Time Equivalent (2000 hour) research years per year, and that the value of the early development of the ADS for astronomy, compared with waiting for mature technologies to be adopted, is 2332 FTE research years. The ADS is available at http://adswww.harvard.edu/.

  17. Accidents, engineering and history at NASA: 1967-2003

    E-Print Network [OSTI]

    Brown, Alexander F. G. (Alexander Frederic Garder), 1970-

    2009-01-01T23:59:59.000Z

    The manned spaceflight program of the National Aeronautics and Space Administration (NASA) has suffered three fatal accidents: one in the Apollo program and two in the Space Transportation System (the Shuttle). These were ...

  18. Lori Garver, NASA Deputy Administrator National Network for Manufacturing Innovation

    E-Print Network [OSTI]

    Lori Garver, NASA Deputy Administrator National Network for Manufacturing Innovation Cuyahoga discussion on the President's recently announced initiative, the National Network for Manufacturing the technologies we need for tomorrow's missions. These include projects to transform space laser communications

  19. Rockets 2 Race Cars Teacher Program at Kentucky Speedway (NASA)

    Broader source: Energy.gov [DOE]

    Register here. Go Green Edition / The Heat is ON! Get your students revved up about science, technology, engineering and mathematics with NASA's Rockets 2 Race Cars STEM Education program....

  20. National Aeronautics and Space Administration www.nasa.gov

    E-Print Network [OSTI]

    Waliser, Duane E.

    or Federal Energy Management Program (FEMP)-designated Electronic Stewardship GOAL: Procure energy important actions for Federal Agencies (NASA has accomplished all): · DesignateanAgency competition between occupants of different buildings. Powering Our Buildings With More Renewable Energy

  1. Application and management of commonality within NASA systems

    E-Print Network [OSTI]

    Rhodes, Richard Alexander

    2010-01-01T23:59:59.000Z

    Commonality can be defined as the sharing of assets such as components, designs, processes, technologies, interfaces, and/or infrastructure across systems. Through commonality, NASA has the opportunity to develop, produce, ...

  2. NASA/TM2010216862 A Criteria Standard for Conflict

    E-Print Network [OSTI]

    Narkawicz, Anthony J.

    Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076­1320 #12;NASA/TM­2010 for AeroSpace Information 7115 Standard Drive Hanover, MD 21076-1320 443-757-5802 #12;Abstract Distributed

  3. NASA TM-2012-217361 Evaluating Shielding Approaches to Reduce

    E-Print Network [OSTI]

    Rathbun, Julie A.

    Space Information 7121 Standard Hanover, MD 21076-1320 #12;NASA TM-2012-217361 Evaluating Shielding ApproachesSpace Information National Technical Information Service 7121 Standard Drive 5285 Port Royal Road Hanover, MD 21076

  4. NASA/TM--2005213688 Revolutionary Concepts of Radiation

    E-Print Network [OSTI]

    Rathbun, Julie A.

    Help Desk NASA Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076­1320 301 Port Royal Road Hanover, MD 21076­1320 Springfield, VA 22161 301­621­0390 703­487­4650 Acknowledgments

  5. NASA/TM2010216190 A General Algorithm for Reusing Krylov

    E-Print Network [OSTI]

    Vuik, Kees

    Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076­1320 #12;NASA/TM­2010 Standard Drive Hanover, MD 21076-1320 443-757-5802 #12;Abstract A general algorithm is developed

  6. NASA/TM2014218280 Analysis of Well-Clear Boundary

    E-Print Network [OSTI]

    Muñoz, César A.

    Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076­1320 #12;NASA/TM­2014 Standard Drive Hanover, MD 21076-1320 443-757-5802 #12;Abstract The FAA-sponsored Sense and Avoid Workshop

  7. September 1999 NASA/TM-1999-209715

    E-Print Network [OSTI]

    Nelson, Michael L.

    NASA Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076-1320 #12;National Hanover, MD 21076-1320 Springfield, VA 22161-2171 (301) 621-0390 (703) 605-6000 This report is also

  8. NASA/TP2004213015 Formal Verification of a Conflict

    E-Print Network [OSTI]

    Maddalon, Jeffrey M.

    Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076­1320 #12;NASA/TP­2004 Hanover, MD 21076­1320 Springfield, VA 22161­2171 (301) 621­0390 (703) 605­6000 #12;Contents 1

  9. February 2007 NASA/TM-2007-214539

    E-Print Network [OSTI]

    Maddalon, Jeffrey M.

    NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076-1320 #12;National Standard Drive 5285 Port Royal Road Hanover, MD 21076-1320 Springfield, VA 22161-2171 (301) 621-0390 (703

  10. December 2001 NASA/TM-2001-211426

    E-Print Network [OSTI]

    Nelson, Michael L.

    NASA Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076-1320 #12;National Port Royal Road Hanover, MD 21076-1320 Springfield, VA 22161-2171 (301) 621-0390 (703) 487-4650 #12;A

  11. articles nasa astrobiology: Topics by E-print Network

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

    Research Center (NASA LaRC) and Bell Helicopter Textron Incorporated (Bell) during October 1999 at Bell's test site near Waxahachie, Texas. The test was the third in a...

  12. argentine nasa: Topics by E-print Network

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

    Research Center (NASA LaRC) and Bell Helicopter Textron Incorporated (Bell) during October 1999 at Bell's test site near Waxahachie, Texas. The test was the third in a...

  13. augmenting nasa spacelink: Topics by E-print Network

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

    Research Center (NASA LaRC) and Bell Helicopter Textron Incorporated (Bell) during October 1999 at Bell's test site near Waxahachie, Texas. The test was the third in a...

  14. Regional Super ESPC Saves Energy and Dollars at NASA Johnson...

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

    Space Shuttle Endeavour, 2002 The NASA Johnson Space Flight Center in Houston is well known for its achievements in the U.S. space program (this 2002 photo shows the Space Shuttle...

  15. You and NASA National Aeronautics and Space Administration

    E-Print Network [OSTI]

    Waliser, Duane E.

    is USAJOBS. NASA uses USAJOBS to announce vacancies open to the gen- eral public. Visit the "Start Here" URL information visit: www.usajobs.gov/EI/ noncitizensemployment.asp#icc. One area of possible employment for you

  16. 22LRO Explores the Apollo 12 Landing Area on the Moon NASA's Lunar Reconnaissance Orbiter (LRO) from a lunar orbit of 21 kilometers (13

    E-Print Network [OSTI]

    22LRO Explores the Apollo 12 Landing Area on the Moon NASA's Lunar Reconnaissance Orbiter (LRO of the Apollo 12 landing site. Images show the twists and turns of the paths made when the astronauts explored the lunar surface. One of the details that shows up is a bright L-shape in the Apollo 12 image. It marks

  17. n a press conference on September 12, NASA announced that Voyager

    E-Print Network [OSTI]

    . This resilient robot, built by NASA's Jet Propulsion Laboratory (JPL), had burst through the sun's magnetic

  18. NASA/CR2011-215960 Modeling High-Speed Civil Tiltrotor Transports in the

    E-Print Network [OSTI]

    -sponsored contractors and grantees. The NASA STI Program Office . . . in Profile · CONFERENCE PUBLICATION. Collected

  19. NASA/TM--2012216007 Performance Data Errors in Air Carrier Operations

    E-Print Network [OSTI]

    and technical findings by NASA-sponsored contractors and grantees. · CONFERENCE PUBLICATION. Collected papers

  20. NASA/TP--2007214905 Statistical Aspects of the North Atlantic Basin

    E-Print Network [OSTI]

    and technical findings by NASA-sponsored contractors and grantees. · CONFERENCE PUBLICATION. Collected papers

  1. Observed and CAM3 GCM Sea Surface Wind

    E-Print Network [OSTI]

    Zender, Charles

    Observed and CAM3 GCM Sea Surface Wind Speed Distributions: Characterization, Comparison, and Bias climatological surface wind speed probability density functions (PDFs) estimated from observations and use them to evaluate, for the first time, contemporaneous wind PDFs predicted by a GCM. The ob- servations include NASA

  2. Specular Surface Recovery via Coded Target Stereopsis Arlene Ripsman

    E-Print Network [OSTI]

    Jenkin, Michael R. M.

    Jasiobedzki Technical Report CS-2003-03 March 26, 2003 Department of Computer Science 4700 Keele Street North is obtained by projecting light patterns onto the object's surface and inferring surface structure-board instruments from solar radiation. Figure 1 is a NASA photograph of the Hubble Space Telescope on orbit

  3. amip ii land-surface: Topics by E-print Network

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

    Standards Process Breakout Session June 15, 2005 Robert Wolfe NASA GSFC Code 614.5 & Raytheon ITSS 12;June 15, 2005 - Wolfe - San Diego 2 MODIS Land Surface Reflectance products:...

  4. How to file a FOIA request for NASA Agency records A FOIA request for NASA Agency records must include the requester's name and mailing address, a description of

    E-Print Network [OSTI]

    Waliser, Duane E.

    the country. In accordance with the Agency Records Management procedures NASA has not yet implemented a records management application for automated capture and control of e-records; therefore, official filesHow to file a FOIA request for NASA Agency records A FOIA request for NASA Agency records must

  5. How to file a FOIA request for NASA Agency records A FOIA request for NASA Agency records must include the requester's name and mailing address, a description of

    E-Print Network [OSTI]

    Waliser, Duane E.

    throughout the country. In accordance with the Agency Records Management procedures NASA has not yet implemented a records management application for automated capture and control of e-records; thereforeHow to file a FOIA request for NASA Agency records A FOIA request for NASA Agency records must

  6. Preparation of Papers for XVII NASAS First. A. Author1

    E-Print Network [OSTI]

    Jagannatham, Aditya K.

    , Pin Code These instructions give you guidelines for preparing papers for XVII NASAS. Use this document Guidelines The following section outlines general (nonformatting) guidelines to follow. These guidelines all primary text for your manuscript. The first line of every paragraph should be indented, and all

  7. October 2010 NASA/CR2010-216860

    E-Print Network [OSTI]

    papers, but having less stringent limitations on manuscript length and extent of graphic presentations Help Desk NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076-1320 #12;National Standard Drive Hanover, MD 21076-1320 443-757-5802 #12;1 EXECUTIVE SUMMARY Context This report summarizes

  8. The Space Economy NASA 50th Anniversary Lecture Series

    E-Print Network [OSTI]

    The Space Economy NASA 50th Anniversary Lecture Series Michael D. Griffin Administrator National growth that didn't previously exist. This is the emerging Space Economy, an economy that is transforming our lives here on Earth in ways that are not yet fully understood or appreciated. It is not an economy

  9. NASA OFFICE OF INSPECTOR GENERAL OFFICE OF AUDITS

    E-Print Network [OSTI]

    Waliser, Duane E.

    NASA OFFICE OF INSPECTOR GENERAL OFFICE OF AUDITS SUITE 8U71, 300 E ST SW WASHINGTON, D.C. 20546 Directorate's Mission Extension Process (Report No. IG-15-001; Assignment No. A-13-014-00) Dear Associate Administrator Grunsfeld, The Office of Inspector General (OIG) examined the Science Mission Directorate's (SMD

  10. 11Chandra 'Sees' a Distant Planet Evaporating NASA's Chandra Observatory

    E-Print Network [OSTI]

    energy. A simple model of this planet's interior suggests that its atmosphere might account for as much11Chandra 'Sees' a Distant Planet Evaporating NASA's Chandra Observatory has discovered that the star CoRot-2a is a powerful X-ray source. This is unfortunate because it is also known that a planet

  11. Fall 2011 -A Quarterly Publication www.nasa.gov

    E-Print Network [OSTI]

    the president's visit in late September. Photo credit: Official White House Photo by Pete Souza Thousands turn,500 people visited Ames to tour SOFIA. See page 6 for a feature about the SOFIA visit. NASA photo by Doiminic- ing of an energy-efficient sensor and cell phone application, detects toxic chemicals and alerts

  12. NASA OFFICE OF INSPECTOR GENERAL APRIL 1SEPTEMBER 30, 2014

    E-Print Network [OSTI]

    Waliser, Duane E.

    over the FY 2015 budget. At the same time, appropriations legislation considered in the House earlier this year. But SOFIA faces an uncertain future because the President's fiscal year (FY) 2015. While NASA projects its annual ISS budget to grow from its current $3 billion to nearly $4 billion by FY

  13. National Aeronautics and Space Administration NASA Diversity and Inclusion

    E-Print Network [OSTI]

    Waliser, Duane E.

    Plan FY 2012 ­ FY 2015 March 16, 2012 Enclosure #12;NASA Diversity and Inclusion Strategic and Inclusion Assessment Survey, deployed in FY 2010, as well as the annual government-wide Employee Viewpoint actions for the Office of Personnel Management (OPM), the Office of Management and Budget (OMB), the Equal

  14. NASA/TM2010216857 Time of Closest Approach in

    E-Print Network [OSTI]

    Narkawicz, Anthony J.

    Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076­1320 #12;NASA/TM­2010­216857 Time for AeroSpace Information 7115 Standard Drive Hanover, MD 21076-1320 443-757-5802 #12;Abstract In air

  15. NASA/TP--2006214196 Haughton-Mars Project Expedition 2005

    E-Print Network [OSTI]

    de Weck, Olivier L.

    NASA Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076-1320 This page is requiredSpace Information 7121 Standard Drive Hanover, MD 21076-1320 (301) 621-0390 #12;1 #12;2 This page intentionally left

  16. National Aeronautics and Space Administration www.nasa.gov

    E-Print Network [OSTI]

    Christian, Eric

    View Goddard Year in Review 2005 #12;GoddardView Volume 1 Issue 11 Year In Review December 2005 Table By Susan Hendrix #12;Volume 1 Issue 11 Year In Review December 2005 GoddardView Goddard2005 03 Swift. Image Credit: NASA #12;GoddardView Volume 1 Issue 11 Year In Review December 2005 04 Goddard2005

  17. NASA Perspectives on Cryo H2 DOE Hydrogen Storage Workshop

    E-Print Network [OSTI]

    -space, MMOD protection) -Vapor/cryocooler cooled shields - Sun shades - Low conductivity/ cooled support propellant - Inventory (Bookkeeping) - Pressure-volume-temperature (PVT) - High accuracy low-g techniques;7 NASA Cryogenic Technology Objectives · To develop storage and distribution technologies for cryogens

  18. National Aeronautics and Space Administration www.nasa.gov

    E-Print Network [OSTI]

    that could accurately predict the flow of fluids, such as the flow of air over an aircraft's wing, fuel 9 5 0 s -- 1 9 9 0 s AEROELASTIC STABILITY NOISE DATABASECOMPUTATIONAL FLUID DYNAMICS (CFD) H v F H;1. Computational Fluid Dynamics (CFD) Starting in the 1970s, NASA began developing sophisticated computer codes

  19. Renewable Energy Microgrid Testbed at NASA Ames Research

    E-Print Network [OSTI]

    Lee, Herbie

    Renewable Energy Microgrid Testbed at NASA Ames Research Center Joel Kubby, Dan O'Leary, Zachary #12;Goals · Set-up a unique microgrid test-bed for renewable energy generation, monitoring and storage · Use the facility for testing systems integration, optimization and control of new renewable energy

  20. NASA ASRS (Pub. 63) Aviation Safety Reporting System

    E-Print Network [OSTI]

    User Access Terminal Service FAA Federal Aviation Administration FAR Federal Aviation Regulation FAS National Business Aviation Association NOAA National Oceanic and Atmospheric Administration NORCAL NorthernNASA ASRS (Pub. 63) #12;Aviation Safety Reporting System #12;General Aviation Weather Encounters i

  1. Charles Bolden, NASA Administrator COMSTAC Advisory Committee Public Meeting

    E-Print Network [OSTI]

    Waliser, Duane E.

    that have helped NASA lead the world in the human and scientific exploration of our solar system. You from U.S. soil, on spacecraft built by American companies. It's time to end the outsourcing human space launches back home to the U.S. and get American companies transporting our astronauts once

  2. "Light" or the Electromagnetic spectrum www.nasa.gov

    E-Print Network [OSTI]

    Mojzsis, Stephen J.

    #12;"Light" or the Electromagnetic spectrum www.nasa.gov #12;Diffraction and Light · When passed through a prism or grating, light is separated into its component wavelengths · This looks like a rainbow in visible light · There are wavelengths we can't see with our eyes · White light contains all visible colors

  3. NASA Earth Science Technology Office 2014 Annual Report

    E-Print Network [OSTI]

    Waliser, Duane E.

    projects and the advancement and infusion of technologies for NASA Earth science. Activities within. ESTO continues to build upon a strong history of technology development and infusion. In FY14 54 completed projects in the ESTO portfolio, 35% have already been infused while an additional 46% have a path

  4. National Aeronautics and Space Administration www.nasa.gov

    E-Print Network [OSTI]

    Christian, Eric

    of the Japanese Aero- space Exploration Agency (JAXA). Dr. Keiji Tachikawa was appointed President of JAXA to partici- pating with JAXA on Solar-B, a solar physics mission. Dr. Weiler gave the Japanese delegationNational Aeronautics and Space Administration www.nasa.gov Volume 1 Issue 10 November 2005 Goddard

  5. NASA Earth Science Technology Office (ESTO) Decadal Survey Technology Investments

    E-Print Network [OSTI]

    Christian, Eric

    investments · Risks are retired before major dollars are invested: a cost-effective approach to technologyNASA Earth Science Technology Office (ESTO) Decadal Survey Technology Investments January 7, 2009 #12;Overview: Earth Science Technology Office Science Driven, Competed, Actively Managed

  6. www.nasa.gov WHITE SANDS MISSILE RANGE ACCESS CAPABILITIES

    E-Print Network [OSTI]

    and missile launch, tracking, and recovery · Nuclear effects testing · High-speed sled track · Directed energy weapons testing · Climatic and dynamic environments testing · Atmospheric research · Electronicwww.nasa.gov WHITE SANDS MISSILE RANGE ACCESS CAPABILITIES SUMMARY White Sands Test Facility (WSTF

  7. N'ASA HISTORICAL NEWSLETTER Historical Division (EH)

    E-Print Network [OSTI]

    interest to historians after the year 2001, the voyage of Apollo 11 was at least the most visible of the Historical Advisory Committee for 1970. NASA Prom-am Notes: · The historic flight of Apollo 11 on the full ApOllo story. The first phase of the Apollo history-the research and writing

  8. National Aeronautics and Space Administration Earth Science at NASA

    E-Print Network [OSTI]

    Christian, Eric

    -Train") to study the effects of aerosols in the atmosphere on cloud forma- tion and cloud cover; and using rainfall-simultaneous measurements of aerosols, clouds, temperature and relative humidity profiles, and radiative fluxes. Similarly, the use of satellites, aircraft, and ground-based monitoring stations provides NASA effectively

  9. Climatic effects of 1950–2050 changes in US anthropogenic aerosols – Part 2: Climate response

    E-Print Network [OSTI]

    Leibensperger, Eric Michael

    We investigate the climate response to changing US anthropogenic aerosol sources over the 1950–2050 period by using the NASA GISS general circulation model (GCM) and comparing to observed US temperature trends. Time-dependent ...

  10. Quantification of the impact of climate uncertainty on regional air quality

    E-Print Network [OSTI]

    Liao, K.-J.

    Uncertainties in calculated impacts of climate forecasts on future regional air quality are investigated using downscaled MM5 meteorological fields from the NASA GISS and MIT IGSM global models and the CMAQ model in 2050 ...

  11. NASA/CR-2009-215703 NIA Report No. 2008-09

    E-Print Network [OSTI]

    Muñoz, César A.

    to: NASA STI Help Desk NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076 for AeroSpace Information 7115 Standard Drive Hanover, MD 21076-1320 443-757-5802 #12;DESIGN

  12. NASA/TM-2013-217509 Goddard's Astrophysics Science Division Annual Report 2012

    E-Print Network [OSTI]

    Christian, Eric

    : NASAAccess Help Desk NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076 #12;NASA Royal Road Hanover, MD 21076-1320 Springfield, VA 22161 #12;Astrophysics Science Division Annual Report

  13. NASA/SP2009-566-ADD2 Human Exploration of Mars

    E-Print Network [OSTI]

    Waliser, Duane E.

    Help Desk NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076-1320 #12;NASA Hanover, MD 21076-1320 Alexandria, VA 22312 Available in electric form at http

  14. Surface Soil

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

    Surface Soil Surface Soil We compare local soil samples with samples collected from northern New Mexico locations that are beyond the range of potential influence from normal...

  15. NASA/TM-2001-210864 On the Formal Verification of Conflict

    E-Print Network [OSTI]

    Muñoz, César A.

    ;Available from: NASA Center for AeroSpace lnli)rmation (CASI) 7121 Standard Drive Hanover. MD 21076

  16. http://umbra.nascom.nasa.gov/soho/ SOHO_final_report.html

    E-Print Network [OSTI]

    Rhoads, James

    TOPICPAGE #12;http://umbra.nascom.nasa.gov/soho/ SOHO_final_report.html SOHO MISSION INTERRUPTION FAILURE

  17. 1NASA Glenn Research Center M.Atiquzzaman, Univ. of Oklahoma, July 2002.

    E-Print Network [OSTI]

    Atiquzzaman, Mohammed

    1NASA Glenn Research Center M.Atiquzzaman, Univ. of Oklahoma, July 2002. Effect of Congestion University of Oklahoma. Email: atiq@ieee.org Web: www.cs.ou.edu/~atiq NASA Glenn Research Center, Cleveland, Ohio. July 16, 2002. #12;2NASA Glenn Research Center M.Atiquzzaman, Univ. of Oklahoma, July 2002

  18. Super ESPC Takes Off at NASA Glenn Research Center

    SciTech Connect (OSTI)

    Not Available

    2002-02-01T23:59:59.000Z

    This two-page case study describes how staff at NASA John H. Glenn Research Center (GRC) in Cleveland, Ohio, found an alternative way to fund energy efficiency projects when operating and maintenance budgets were reduced. NASA GRC was able to use a DOE Federal Energy Management Program (FEMP) Regional Super Energy Savings Performance Contract (Super ESPC) to obtain lighting system upgrades, lighting controls, boiler economizers, and other energy-efficient equipment. A Super ESPC allows an energy services company to pay the initial costs of new equipment and improvements and to be repaid over the contract term out of the Federal agency's resulting energy cost savings. This project has an estimated energy savings of 18,000 million Btu (19 trillion joules) per year; the estimated energy cost savings are approximately$200,000 each year. The capital investment was about $1,200,000, and the contract term is seven years.

  19. NASA FY 2015 Budget Request FY 2014 FY 2015

    E-Print Network [OSTI]

    NASA FY 2015 Budget Request Actuals FY 2013 Enacted FY 2014 FY 2015 Notional FY 2016 Notional FY's Fiscal Year 2015 budget supports investments that will ensure continued U.S. leadership in space, while 2017 Notional FY 2018 Notional FY 2019 $16.9B $17.6B $17.5B $17.6B $17.8B $18.0B $18.2B The President

  20. Unusual Light in Dark Space Revealed by Los Alamos, NASA

    SciTech Connect (OSTI)

    Smidt, Joseph

    2014-11-07T23:59:59.000Z

    By looking at the dark spaces between visible galaxies and stars the NASA/JPL CIBER sounding rocket experiment has produced data that could redefine what constitutes a galaxy. CIBER, the Cosmic Infrared Background Experiment, is designed to understand the physics going on between visible stars and galaxies. The relatively small, sub-orbital rocket unloads a camera that snaps pictures of the night sky in near-infrared wavelengths, between 1.2 and 1.6 millionth of a meter. Scientists take the data and remove all the known visible stars and galaxies and quantify what is left.

  1. Unusual Light in Dark Space Revealed by Los Alamos, NASA

    ScienceCinema (OSTI)

    Smidt, Joseph

    2015-01-05T23:59:59.000Z

    By looking at the dark spaces between visible galaxies and stars the NASA/JPL CIBER sounding rocket experiment has produced data that could redefine what constitutes a galaxy. CIBER, the Cosmic Infrared Background Experiment, is designed to understand the physics going on between visible stars and galaxies. The relatively small, sub-orbital rocket unloads a camera that snaps pictures of the night sky in near-infrared wavelengths, between 1.2 and 1.6 millionth of a meter. Scientists take the data and remove all the known visible stars and galaxies and quantify what is left.

  2. Nuclear Thermal Propulsion: A Joint NASA/DOE/DOD Workshop

    SciTech Connect (OSTI)

    Clark, J.S.

    1991-01-01T23:59:59.000Z

    Papers presented at the joint NASA/DOE/DOD workshop on nuclear thermal propulsion are compiled. The following subject areas are covered: nuclear thermal propulsion programs; Rover/NERVA and NERVA systems; Low Pressure Nuclear Thermal Rocket (LPNTR); particle bed reactor nuclear rocket; hybrid propulsion systems; wire core reactor; pellet bed reactor; foil reactor; Droplet Core Nuclear Rocket (DCNR); open cycle gas core nuclear rockets; vapor core propulsion reactors; nuclear light bulb; Nuclear rocket using Indigenous Martian Fuel (NIMF); mission analysis; propulsion and reactor technology; development plans; and safety issues.

  3. Photo of the Week: Pi + NASA + Supercomputing | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directed offOCHCO2:Introduction toManagementOPAM5Parabolic TroughPhoto Gallery: EnergyEnergyPi + NASA +

  4. ARM - Field Campaign - ISDAC - NASA ARCTAS Coordination with ARM

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of ScienceandMesa del(ANL-IN-03-032)8LigovCampaignsCLEX-5govCampaignsFall- Hemispheric Flux- NASA ARCTAS

  5. NASA-TM-III642 Design of Inielligent Mesoscale Periodic Array

    E-Print Network [OSTI]

    Asher, Sanford A.

    i" /} , NASA-TM-III642 Design of Inielligent Mesoscale Periodic Array Structures Utilizing Smart *National Research Council hitrodoetion Mesoscale Periodic Arlay Structures (MPAS, also known as crystalline

  6. Y-12 to help create fuel for NASA's long-range space exploration...

    National Nuclear Security Administration (NNSA)

    help create fuel for NASA's long-range space exploration missions | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission Managing the...

  7. DOE and NASA Reach Cleanup Agreements with the State of California...

    Energy Savers [EERE]

    for the research, development and testing of rocket engines associated with the Apollo and Space Shuttle Programs. Under NASA's AOC, the agency will work with the California...

  8. National Aeronautics and Space Administration NASA's FY 2015 Management and Performance

    E-Print Network [OSTI]

    Waliser, Duane E.

    TO PERFORMANCE MANAGEMENT conduct the Agency's day-to-day work. Figure 1 depicts NASA's organizational structure National Aeronautics and Space Administration NASA's FY 2015 Management and Performance Governance and Strategic Management Management Priorities and Challenges FY 2014 Performance Plan Update FY

  9. NASA EG-2000-03-002-GSFC Exploring the Aurora and the Ionosphere 1 Educational Product

    E-Print Network [OSTI]

    NASA EG-2000-03-002-GSFC Exploring the Aurora and the Ionosphere 1 Educational Product Educators#DQG#Aurora and the Ionosphere An Educator Guide with Activities in Space Science #12;NASA EG-2000-03-002-GSFC Exploring the Aurora and the Ionosphere 2 Solar Storms and You! is available in electronic for

  10. NASA/CR-2002-211759 ICASE Report No. 2002-26

    E-Print Network [OSTI]

    Lüttgen, Gerald

    7121 Standard Drive Hanover, MD 21076-1320 #12;NASA/CR-2000- ICASE Report No. NASA/CR-2002-211759 ICASE 5285 Port Royal Road Hanover, MD 21076-1320 Springfield, VA 22161-2171 (301) 621-0390 (703) 487

  11. NASA/TM--2010-216396 Checklists and Monitoring in the Cockpit: Why Crucial

    E-Print Network [OSTI]

    Space Information 7121 Standard Drive Hanover, MD 21076-1320 #12;NASA/TM--2010-216396 Checklists and MonitoringSpace Information NASA Center for Aerospace Information 7121 Standard Drive 7121 Standard Drive Hanover, MD 21076-1320 Hanover, MD 21076-1320 (301) 621-0390 (301) 621-0390 #12;v Table of Contents 1. EXECUTIVE SUMMARY..........................................

  12. 2003-01-2975 NASA's Aviation System Monitoring and Modeling Project

    E-Print Network [OSTI]

    Maluf, David A.

    . Maluf NASA Ames Research Center, Moffett Field, CA Copyright © 2003 SAE International ABSTRACT Within NASA's Aviation Safety Program, the Aviation System Monitoring and Modeling (ASMM) Project addresses that could lead to accidents. This Project is developing a set of automated tools to facilitate efficient

  13. NASA OFFICE OF INSPECTOR GENERAL SUITE 8U37, 300 E ST SW

    E-Print Network [OSTI]

    Waliser, Duane E.

    , Commercial Crew Transportation, and the Space Launch System Managing NASA's Science Portfolio Ensuring.1 billion in unfunded environmental liabilities. Soil and groundwater cleanup costs for one project alone, 2014 TO: Charles F. Bolden, Jr. Administrator SUBJECT: 2014 Report on NASA's Top Management

  14. Programmable surfaces

    E-Print Network [OSTI]

    Sun, Amy (Amy Teh-Yu)

    2012-01-01T23:59:59.000Z

    Robotic vehicles walk on legs, roll on wheels, are pulled by tracks, pushed by propellers, lifted by wings, and steered by rudders. All of these systems share the common character of momentum transport across their surfaces. ...

  15. Surface Soil

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What'sis Taking Over Our InstagramStructure ofIndustrialSupportingAlbedo at theSurface Soil Surface Soil

  16. AiR surface: AiR surface 1

    E-Print Network [OSTI]

    Tanaka, Jiro

    AiR surface: 1 PDA AiR surface 1 1: AiR surface () () 2 [1] [2] 3 AiR surface AiR surface surface surface surface 3.1 surface [3]( 3 ) surface 3.2 surface surface AiR surface 4 AiR surface surface AiR surface: Virtual Touch Panel

  17. NASA/TM2012-104606/Vol 29 Michele M. Rienecker, Dick Dee, Jack Woollen, Gilbert P. Compo, Kazutoshi Onogi, Ron Gelaro,

    E-Print Network [OSTI]

    -757-5802 · Write to: NASA STI Help Desk NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076

  18. Teacher Professional Development: Assessment on Teacher's Perceptions of NASA's Online STEM Professional Development

    E-Print Network [OSTI]

    Keil, Matthew James

    2014-04-09T23:59:59.000Z

    and National Aeronautics and Space Administration (NASA) provided teachers with an online Science, Technology, Engineering and Mathematics (STEM) PD course called MicroGX. A thorough analyses of data from two surveys, observations, and documents were used...

  19. JCESR and NASA team up to conduct research for next generation...

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

    JCESR and NASA team up to conduct research for next generation batteries to be used in space News Release Media Contacts Ben Schiltz Joint Center for Energy Storage Research...

  20. A Search for Additional Planets in the Nasa Epoxi Observations of the Exoplanet System Gj 436

    E-Print Network [OSTI]

    Seager, Sara

    We present time series photometry of the M dwarf transiting exoplanet system GJ 436 obtained with the Extrasolar Planet Observation and Characterization (EPOCh) component of the NASA EPOXI mission. We conduct a search of ...

  1. NASA Ames Saves Energy and Reduces Project Costs with Non-Invasive Retrofit Technologies

    Broader source: Energy.gov [DOE]

    Presentation—given at the Fall 2011 Federal Utility Partnership Working Group (FUPWG) meeting—covers the NASA Ames Research Center's effort to save energy and reduce project costs with non-invasive retrofit technologies.

  2. Rockets 2 Race Cars Teacher Program at the Kentucky Speedway (NASA)

    Broader source: Energy.gov [DOE]

    Register here. Go Green Edition / The Heat is ON! Get your students revved up about science, technology, engineering and mathematics with NASA's Rockets 2 Race Cars STEM Education program....

  3. NASA/CP-2003-212448 Design and Application of Strategies/Tactics

    E-Print Network [OSTI]

    Muñoz, César A.

    NASA Center for Aerospace Information 7121 Standard Drive Hanover, MD 21076-1320 #12;NAS A/CP-2003 Information (CASI) 7121 Standard Drive Hanover, MD 21076-1320 (301) 621-0390 National Technical Information

  4. NASA/CR-2000-210097 ICASE Report No. 2000-16

    E-Print Network [OSTI]

    Muñoz, César A.

    Access Help Desk NASA Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076-1320 #12Space hffomlation (CASI) 7121 Standard Drive Hanover, MD 21076 1320 (301) 621 0390 National Tect

  5. NASA/CR-2001-211271 ICASE Interim Report No. 39

    E-Print Network [OSTI]

    Muñoz, César A.

    Center for AeroSpace Information 712 ! Standard Drive Hanover, MD 21076- ! 320 #12;NASA/CR-2001 Hanover. MD 21076-1320 (301) 621-0390 National Technical Intormation Service (NTIS) 5285 Port Royal Road

  6. NASA/CR-2001-210853 ICASE Report No. 2001-7

    E-Print Network [OSTI]

    Muñoz, César A.

    Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076-1320 #12;NASA/CR-2001-210853 ICASE Center for AeroSpace hffomlation (CASI) 7121 Standard Drive Hanover, MD 21076 1320 (301) 621 0390

  7. NASA/TM-2012-217357 Probability of Causation for Space Radiation

    E-Print Network [OSTI]

    Rathbun, Julie A.

    Space Information 7121 Standard Hanover, MD 21076-1320 #12;NASA/TM-2012-217357 Probability of Causation for Space Royal Road Hanover, MD 21076-1320 Springfield, VA 22161 This report is also available in electronic form

  8. NASA/CR-2007-214863 NIA Report No. 2007-06

    E-Print Network [OSTI]

    Muñoz, César A.

    Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076-1320 #12;NASA/CR-2007-214863 NIA) National Technical Information Service (NTIS) 7115 Standard Drive 5285 Port Royal Road Hanover, MD 21076

  9. NASA/TP-2005-213164 Managing Lunar and Mars Mission

    E-Print Network [OSTI]

    Rathbun, Julie A.

    Space Information 7121 Standard Hanover, MD 21076-1320 #12;NASA/TP-2005-213164 Managing Lunar and Mars MissionSpace Information National Technical Information Service 7121 Standard Drive 5285 Port Royal Road Hanover, MD 21076

  10. NASA/TM-2009-215768 A Mathematical Basis for the Safety Analysis of

    E-Print Network [OSTI]

    Maddalon, Jeffrey M.

    Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076-1320 #12;National Aeronautics, France #12;Available from: NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076

  11. NASA/TM-2009-215770 Rewriting Logic Semantics of a Plan

    E-Print Network [OSTI]

    Muñoz, César A.

    Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076-1320 #12;National Aeronautics-Champaign, Illinois #12;Available from: NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076

  12. NASA/CR-2000-209851 ICASE Report No. 2000-4

    E-Print Network [OSTI]

    Muñoz, César A.

    Access Help Desk NASA Center for AeroSpace Information 7121 Standard Drive Hanover, MD 21076-1320 #12 (CASI) 7121 Standard Drive Hanover. M D 21076-1320 (301) 621-0390 National Technical Inlk

  13. NASA/SP-2013-605 An Analysis and a Historical Review

    E-Print Network [OSTI]

    Rathbun, Julie A.

    Space Information 7115 Standard Drive Hanover, MD 21076-1320 #12;NASA/SP-2013-605 An Analysis and a Historical Drive 5285 Port Royal Road Hanover, MD 21076-1320 Springfield, VA 22161 301-621-0390 703

  14. Smithsonian/NASA ADS Physics/Geophysics Abstract Service Find Similar Abstracts (with default settings below)

    E-Print Network [OSTI]

    Mojahedi, Mohammad

    Smithsonian/NASA ADS Physics/Geophysics Abstract Service · Find Similar Abstracts (with default | Query Form | Preferences | HELP | FAQ Physics/Geophysics arXiv e-prints Send Query Reset #12;

  15. GE, NASA Work to Relaunch Supersonic Air Travel | GE Global Research

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

    share on LinkedIn (Opens in new window) Click to share on Tumblr (Opens in new window) GE Supporting NASA's efforts to Relaunch Commercial Supersonic Air Travel Awarded 2- year...

  16. Nasa Space Radiation Laboratory (NSRL) | U.S. DOE Office of Science...

    Office of Science (SC) Website

    To simulate the less than 1-GeV energy spectrum of galactic cosmic rays and solar radiation better, NASA and Brookhaven have worked together to build the NSRL based at...

  17. NASA's RXTE captures thermonuclear behavior of unique neutron star | EurekAlert! Science ..

    E-Print Network [OSTI]

    ... 2012 NASA's RXTE captures thermonuclear behavior of unique neutron star ... powered by a barrage of thermonuclear explosions on the star's ... minutes and caused by a thermonuclear explosion on the neutron star ...

  18. PPPL data may play role in first NASA space probe dedicated to...

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

    data may play role in first NASA space probe dedicated to magnetic reconnection By Raphael Rosen March 30, 2015 Tweet Widget Google Plus One Share on Facebook The Atlas V MMS...

  19. NASA/FPL Renewable Project Case Study: Space Coast Next Generation Solar Energy Center

    Broader source: Energy.gov [DOE]

    Presentation covers the NASA/FPL Renewable Project Case Study: Space Coast Next Generation Solar Energy Center given at the Spring 2009 Federal Utility Partnership Working Group (FUPWG) meeting in...

  20. One-dimensional snow water and energy balance model for vegetated surfaces

    E-Print Network [OSTI]

    Yang, Zong-Liang

    One-dimensional snow water and energy balance model for vegetated surfaces Jiming Jin,2 Xiaogang heat ¯ux (W mÀ2 ) Iprec heat ¯ux of precipitation (W mÀ2) I5 s downwelling solar radiation (W mÀ2, USA. Email: jjm@hwr.arizona.edu or gao@hwr.arizona.edu Contract grant sponsor: NASA

  1. National Aeronautics and Space Administration www.nasa.gov

    E-Print Network [OSTI]

    Christian, Eric

    monthly sessions with discussion on various topics. The 2006 Fiscal Year's (FY) budget was a frequent in 2015. The seven science instruments on the piano­sized probe will shed light on the bodies' surface assist March 2007 - June 2015 - Interplanetary cruise July 2015 - Pluto-Charon encounter 2016

  2. NASA Advisory Council October 6-7, 2010

    E-Print Network [OSTI]

    Waliser, Duane E.

    , and stability of surface materials (for human exploration) aids PD planning Version 13 #12; Time is a 4th planning; to acquire the required capabilities, to include development of identification and mitigation) Planetary radar support ­ observations to increase NEO orbit precision, reduce position error ellipse

  3. Exhaust-gas measurements from NASAs HYMETS arc jet.

    SciTech Connect (OSTI)

    Miller, Paul Albert

    2010-11-01T23:59:59.000Z

    Arc-jet wind tunnels produce conditions simulating high-altitude hypersonic flight such as occurs upon entry of space craft into planetary atmospheres. They have traditionally been used to study flight in Earth's atmosphere, which consists mostly of nitrogen and oxygen. NASA is presently using arc jets to study entry into Mars' atmosphere, which consists of carbon dioxide and nitrogen. In both cases, a wide variety of chemical reactions take place among the gas constituents and with test articles placed in the flow. In support of those studies, we made measurements using a residual gas analyzer (RGA) that sampled the exhaust stream of a NASA arc jet. The experiments were conducted at the HYMETS arc jet (Hypersonic Materials Environmental Test System) located at the NASA Langley Research Center, Hampton, VA. This report describes our RGA measurements, which are intended to be used for model validation in combination with similar measurements on other systems.

  4. NASA Marshall Space Flight Center (MSFC) -Automated Lunar and Meteor Observatory (ALaMO) -Candidate lunar impact observation database NASA Meteoroid Environment Office (MEO)

    E-Print Network [OSTI]

    Waliser, Duane E.

    .4 Newtonian T 119 StellaCam EX Sony GV-D800 MSFC 4487 Suggs and Swift http://science.nasa.gov/headlines/y2005.4 Newtonian T 119 StellaCam EX Sony GV-D800 MSFC ALAMO Moser and McNamara http 19.1 25.4 Newtonian T 119 StellaCam EX Sony GV-D800 MSFC ALAMO Swift, Hollon, & Altstatt 105 21-Jun

  5. Surface Energy,Surface Energy, Surface Tension & Shape of CrystalsSurface Tension & Shape of Crystals

    E-Print Network [OSTI]

    Subramaniam, Anandh

    Surface Energy,Surface Energy, Surface Tension & Shape of CrystalsSurface Tension & Shape of shapes of crystals are important: (i) growth shape and (ii) equilibrium shape Surface/interface energy surfaces. The joining of two phases creates an interface. (Two orientations of the same crystalline phase

  6. Zi-Wei Lin Oct 5, 2004 UAH / NASA Space Radiation Shielding Program, MS Determine Important Nuclear Fragmentation Processes

    E-Print Network [OSTI]

    Lin, Zi-wei

    Zi-Wei Lin Oct 5, 2004 UAH / NASA Space Radiation Shielding Program, MS Determine Important Nuclear Fragmentation Processes for Space Radiation Protection in Human Space Explorations Why do we need to study? Conclusions Zi-Wei Lin University of Alabama in Huntsville/ NASA Space Radiation Shielding Program, MSFC #12

  7. IAC-09-D3.4.7 TECHNOLOGY DEVELOPMENT IN THE NASA INNOVATION SYSTEM: CHALLENGES AND OPPORTUNITIES

    E-Print Network [OSTI]

    de Weck, Olivier L.

    IAC-09-D3.4.7 TECHNOLOGY DEVELOPMENT IN THE NASA INNOVATION SYSTEM: CHALLENGES AND OPPORTUNITIES Business Innovation Research (SBIR) and Small Business Technology Transfer (STTR) programs are mandated" technologies, their record of infusion into the overall NASA innovation system is more ambiguous. The SBIR

  8. www.nasa.gov/aeronautics NF-2013-05-565-HQ

    E-Print Network [OSTI]

    , emissions and fuel burn. A greener future for aviation holds the promise of new life for airports, because Headquarters 300 E. Street, SW Washington, DC 20546 NASA Facts Green Aviation: A Better Way to Treat the Planet engine emissions, unprecedented traffic jams in the sky, nonstop noise near airports, and more citizens

  9. 36.258 UE -Woods calibrates instru-ment on NASA's new solar observa-

    E-Print Network [OSTI]

    Christian, Eric

    the stored magnetic energy is converted and released into the heliosphere and geospace in the form of solar36.258 UE - Woods calibrates instru- ment on NASA's new solar observa- tory. Photosby,000 visitors. The Colorado Space Grant Consortium has outlined a concept for a University Ride Share

  10. X-ray technology behind NASA's black-hole hunter (NuSTAR)

    ScienceCinema (OSTI)

    Craig, Bill

    2014-05-22T23:59:59.000Z

    Livermore Lab astrophysicist Bill Craig describes his team's role in developing X-ray imaging technology for the NASA Nuclear Spectroscopic Telescope Array (NuSTAR) mission. The black-hole-hunting spacecraft bagged its first 10 supermassive black holes this week

  11. National Aeronautics and Space AdministrationNational Aeronautics and Space Administration NASA's Capability Driven Roadmap

    E-Print Network [OSTI]

    Waliser, Duane E.

    Space Policy Goals · Energize competitive domestic industries · Expand international cooperation human and robotic initiatives · Improve space-based Earth and solar observation "NASA has a key role the solar system. · Expand scientific understanding of the Earth and the universe in which we live. · Create

  12. Regional Super ESPC Saves Energy and Dollars at NASA's Johnson Space Center

    SciTech Connect (OSTI)

    Federal Energy Management Program

    2001-05-21T23:59:59.000Z

    This case study about energy saving performance contacts (ESPCs) presents an overview of how the NASA's Johnson Space Flight Center established an ESPC contract and the benefits derived from it. The Federal Energy Management Program instituted these special contracts to help federal agencies finance energy-saving projects at their facilities.

  13. Transforming BIM to BEM: Generation of Building Geometry for the NASA Ames

    E-Print Network [OSTI]

    LBNL-6033E Transforming BIM to BEM: Generation of Building Geometry for the NASA Ames by Tobias Maile and expanded by Cody Rose. #12;Transforming BIM to BEM: Generation of Building Geometry Ames project and was the enabling software that facilitated semi-automated data transformations. GST

  14. Combining Unit-level Symbolic Execution and System-level Concrete Execution for Testing NASA

    E-Print Network [OSTI]

    Pasareanu, Corina

    Combining Unit-level Symbolic Execution and System-level Concrete Execution for Testing NASA-level concrete execution for generating test cases that satisfy user-specified testing criteria. We have to testing complex safety critical software that combines unit-level symbolic execution and system

  15. The NASA Program Management Tool: A New Vision in Business Intelligence

    E-Print Network [OSTI]

    Maluf, David A.

    life cycle costs; accessing convenient aggregated views; automatically creating Earned Value Management1 The NASA Program Management Tool: A New Vision in Business Intelligence David G. Bell dbell describes a novel approach to business intelligence and program management for large technology enterprises

  16. iNASA FY 2011 Performance and Accountability Report Message from the Administrator

    E-Print Network [OSTI]

    --Columbia, Chal- lenger, Discovery, Atlantis, and Endeavour--flew 135 missions, helped construct the International, it takes years to watch a project come to fruition--but the rewards are well worth the wait. NASA. Studying these two giant asteroids will not only help scientists unlock the secrets of our solar system

  17. NASA Green Flight Challenge: Conceptual Design Approaches and Technologies to Enable 200 Passenger Miles

    E-Print Network [OSTI]

    Waliser, Duane E.

    Miles per Gallon Douglas P. Wells* NASA Langley Research Center, Hampton, Virginia 23681 The Green 50 passenger-miles per gallon and this competition will push teams to greater than 200 passenger-miles per gallon. The aircraft must also fly at least 100 miles per hour for 200 miles. The total prize

  18. NASA/CR-2002-211637 ICASE Report No. 2002-12

    E-Print Network [OSTI]

    Muñoz, César A.

    Hanover, MD 21076-1320 #12;NASA/CR-2002-211637 ICASE Report No. 2002-12 y Air Traffic Conflict Resolution Hanover, MD 21076-1320 (301) 621-0390 National Technical Information Service (NTIS) 5285 Port Royal Road

  19. NASA/CR-2007-214546 NIA Report No. 2007-03

    E-Print Network [OSTI]

    Muñoz, César A.

    Space Information 7115 Standard Drive Hanover, MD 21076-1320 #12;NASA/CR-2007-214546 NIA Report No. 2007-03 Batch 5285 Port Royal Road Hanover, MD 21076-1320 Springfield, VA 22161-2171 (301) 621-0390 (703) 605

  20. DO NOT DOE/NASA/1005--1 -REMOVE~ DE83 013343

    E-Print Network [OSTI]

    Oak Ridge National Laboratory

    Cleveland, Ohio 44135 Work performed for U.S. DEPARTMENT OF ENERGY Conservation and Renewable Energy National Aeronautics and Space Administration Lewis Research Center Cleveland, Ohio 44135 SUMMARY A 1 kW (1 Lewis Research Center (NASA LeRC) and the Department of Energy Oak Ridge National Laboratory (DOE

  1. 36Super-fast solar flares ! NASA's Ramaty High Energy Solar

    E-Print Network [OSTI]

    36Super-fast solar flares ! NASA's Ramaty High Energy Solar Spectroscopic Imager (RHESSI) satellite has been studying solar flares since 2002. The sequence of figures to the left shows a flaring region hr/3600 sec = 0.98 kilometers/sec. The solar flare blob was traveling at 207 kilometers per second

  2. The rationale/benefits of nuclear thermal rocket propulsion for NASA's lunar space transportation system

    SciTech Connect (OSTI)

    Borowski, S.K.

    1994-09-01T23:59:59.000Z

    The solid core nuclear thermal rocket (NTR) represents the next major evolutionary step in propulsion technology. With its attractive operating characteristics, which include high specific impulse (approximately 850-1000 s) and engine thrust-to-weight (approximately 4-20), the NTR can form the basis for an efficient lunar space transportation system (LTS) capable of supporting both piloted and cargo missions. Studies conducted at the NASA Lewis Research Center indicate that an NTR-based LTS could transport a fully-fueled, cargo-laden, lunar excursion vehicle to the Moon, and return it to low Earth orbit (LEO) after mission completion, for less initial mass in LEO than an aerobraked chemical system of the type studied by NASA during its '90-Day Study.' The all-propulsive NTR-powered LTS would also be 'fully reusable' and would have a 'return payload' mass fraction of approximately 23 percent--twice that of the 'partially reusable' aerobraked chemical system. Two NTR technology options are examined--one derived from the graphite-moderated reactor concept developed by NASA and the AEC under the Rover/NERVA (Nuclear Engine for Rocket Vehicle Application) programs, and a second concept, the Particle Bed Reactor (PBR). The paper also summarizes NASA's lunar outpost scenario, compares relative performance provided by different LTS concepts, and discusses important operational issues (e.g., reusability, engine 'end-of life' disposal, etc.) associated with using this important propulsion technology.

  3. MAVEN overview MAVEN is a NASA Mars Scout mission designed to orbit Mars

    E-Print Network [OSTI]

    Mojzsis, Stephen J.

    ) instrument is part of Above: MAVEN team members deployed the solar panels before the spacecraft's delivery. ·NASA Jet Propulsion Laboratory ·United Launch Alliance (Courtesy Lockheed Martin) #12, will measure solar input across three channels. Science operations The MAVEN Science Operations Center (SOC

  4. Vol. 11, No. 4 Fall 1994 NASA HISTORY: NEWS AND NOTES

    E-Print Network [OSTI]

    the anniversary of Apollo 11, when the office put up a display on the Apollo program. That display has both still bibliography, and inter- pretive works on the history of Project Apollo. It can be accessed at: http Langley Research Center from Sputnik to Apollo (NASA SP-4308), that will appear in the spring of 1995

  5. ISO 191** Standards for NASA SiriJodha Singh Khalsa, Lead

    E-Print Network [OSTI]

    Christian, Eric

    ISO 191** Standards for NASA SiriJodha Singh Khalsa, Lead MENDS Tiger Team to support ISO metadata ­ GCMD and ECHO both acGvely working on ISO ­ Missions and data centers looking at ISO · FGDC has endorsed ISO 19115 ­ OMB mandated all

  6. Summary Report on Information Technology Integration Activities For project to Enhance NASA Tools for Coastal Managers in the Gulf of Mexico and Support Technology Transfer to Mexico

    SciTech Connect (OSTI)

    Gulbransen, Thomas C.

    2009-04-27T23:59:59.000Z

    Deliverable to NASA Stennis Space Center summarizing summarizes accomplishments made by Battelle and its subcontractors to integrate NASA's COAST visualization tool with the Noesis search tool developed under the Gulf of Mexico Regional Collaborative project.

  7. Total Ozone Mapping Spectrometer (TOMS) Derived Data, Global Earth Coverage (GEC) from NASA's Earth Probe Satellite

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

    This is data from an external datastream processed through the ARM External Data Center (XDC) at Brookhaven National Laboratory. The XDC identifies sources and acquires data, called "external data", to augment the data being generated within the ARM program. The external data acquired are usually converted from native format to either netCDF or HDF formats. The GEC collection contains global data derived from the Total Ozone Mapping Spectrometer (TOMS) instrument on the Earth Probe satellite, consisting of daily values of aerosol index, ozone and reflectivity remapped into a regular 1x1.25 deg grid. Data are available from July 25, 1996 - December 31, 2005, but have been updated or replaced as of September 2007. See the explanation on the ARM web site at http://www.arm.gov/xds/static/toms.stm and the information at the NASA/TOMS web site: http://toms.gsfc.nasa.gov/ (Registration required)

  8. FEMP case study: Regional super ESPC saves energy and dollars at NASA Johnson Space Center

    SciTech Connect (OSTI)

    Pitchford, P.; Dominick, J.

    1999-10-05T23:59:59.000Z

    This case study describes the new energy-efficient equipment being installed at NASA Johnson Space Center in Houston, Texas, to save nearly $2 million per year in energy and utility costs. The work is being done under a delivery order by Honeywell, Inc., as part of a US Department of Energy ``super'' regional energy savings performance contract, or Super ESPC. These are streamlined contracts that allow Federal agencies to contract with competitively selected energy service companies in their region for a variety of energy- and water-efficient products and services. The service companies pay up-front capital costs and are reimbursed with part of the agency's utility cost savings. In this work, NASA Johnson Space Center will get new energy-efficient lighting and compressed-air systems, water-conserving fixtures, and improved controls.

  9. NASA/DOE/DOD nuclear propulsion technology planning: Summary of FY 1991 interagency panel results

    SciTech Connect (OSTI)

    Clark, J.S.; Wickenheiser, T.J.; Doherty, M.P.; Marshall, A.; Bhattacharryya, S.K.; Warren, J.

    1992-01-01T23:59:59.000Z

    Interagency (NASA/DOE/DOD) technical panels worked in 1991 to evaluate critical nuclear propulsion issues, compare nuclear propulsion concepts for a manned Mars mission on a consistent basis, and to continue planning a technology development project for the Space Exploration Initiative (SEI). Panels were formed to address mission analysis, nuclear facilities, safety policy, nuclear fuels and materials, nuclear electric propulsion technology, and nuclear thermal propulsion technology. A summary of the results and recommendations of the panels is presented.

  10. NASA's New Spacecraft: Orion The Orion spacecraft will launch aboard the Space Launch System

    E-Print Network [OSTI]

    Rathbun, Julie A.

    ) 1 2 3 54 Fold each solar panel in half and tape together. Tape the 4 solar panels to the inside;www.nasa.gov NP-2014-06-1004-HQ 44 45 44 45 49 50 #12;46 46 #12;44 45 44 45 46 46 SOLAR PANEL SOLAR experiments and cargo. The Orion and SLS will take astronauts farther into the solar system than ever before

  11. Ninth DOD/NASA/FAA Conference on Fibrous Composites in Structural Design, volume 3

    SciTech Connect (OSTI)

    Soderquist, J.R.; Neri, L.M.; Bohon, H.L.

    1992-09-01T23:59:59.000Z

    This publication contains the proceedings of the Ninth DOD/NASA/FAA Conference on Fibrous Composites in Structural Design held at Lake Tahoe, Nevada, during 4-7 Nov. 1991. Presentations were made in the following areas of composite structural design: perspectives in composites, design methodology, design applications, design criteria, supporting technology, damage tolerance, and manufacturing. Separate abstracts have been prepared for articles from this report.

  12. HOW TO BREAK UP NASA bridges vol. 10, June 2006 / Pielke's Perspective

    E-Print Network [OSTI]

    Colorado at Boulder, University of

    of the Apollo program. The Apollo program was both a strategy of the Cold War and also a tribute to President for Apollo in the mid-1960s, and a post-Apollo approach to space policy was needed by the time that Neil #12;Armstrong set foot on the moon. NASA officials sought to focus post-Apollo space policy on a single vision

  13. Retrofitting the heating system for NASA's space shuttle engine test facility

    SciTech Connect (OSTI)

    Arceneaux, T.W. (NASA, St. Louis, MO (US))

    1992-07-01T23:59:59.000Z

    The John C. Stennis Space Center is one of nine NASA field installations and is the second largest NASA Center, occupying 13,480 acres (55 km{sup 2}) and surrounded by a 125,327-acre (507 km{sup 2}) unpopulated buffer zone. Since its beginnings, the center has been the prime NASA installation for static firing. This paper reports that because of the critical nature of the center's missions, precise instrumentation and comfortable personnel environments must be constantly and efficiency maintained. When the site was built nearly 30 years ago, two main boiler plants were installed. One was in the base area (which houses administrative and engineering offices) and the second was in the test area where the test stands and test support buildings are located. These two boiler plants generated high pressure, high temperature water (400{degrees} F, 400 psi; 204{degrees} C, 2,756 kPa) that was used for heating, reheating and absorption cooling. This high temperature hot water (HTHW) was circulated by pumps to various buildings on the site through an underground piping network. Once in the buildings, the HTHW passed through absorption chillers for cooling and high temperature-to-medium temperature water converters for heating and reheating.

  14. Thermoelectric applications as related to biomedical engineering for NASA Johnson Space Center

    SciTech Connect (OSTI)

    Kramer, C.D.

    1997-07-01T23:59:59.000Z

    This paper presents current NASA biomedical developments and applications using thermoelectrics. Discussion will include future technology enhancements that would be most beneficial to the application of thermoelectric technology. A great deal of thermoelectric applications have focused on electronic cooling. As with all technological developments within NASA, if the application cannot be related to the average consumer, the technology will not be mass-produced and widely available to the public (a key to research and development expenditures and thermoelectric companies). Included are discussions of thermoelectric applications to cool astronauts during launch and reentry. The earth-based applications, or spin-offs, include such innovations as tank and race car driver cooling, to cooling infants with high temperatures, as well as, the prevention of hair loss during chemotherapy. In order to preserve the scientific value of metabolic samples during long-term space missions, cooling is required to enable scientific studies. Results of one such study should provide a better understanding of osteoporosis and may lead to a possible cure for the disease. In the space environment, noise has to be kept to a minimum. In long-term space applications such as the International Space Station, thermoelectric technology provides the acoustic relief and the reliability for food, as well as, scientific refrigeration/freezers. Applications and future needs are discussed as NASA moves closer to a continued space presence in Mir, International Space Station, and Lunar-Mars Exploration.

  15. Preliminary assessment of energy conservation opportunities at the NASA Goddard Space Flight Center, Greenbelt, Maryland

    SciTech Connect (OSTI)

    Hoffman, L. [L. Hoffman and Associates, Silver Spring, MD (United States); Parker, G.B. [Pacific Northwest Lab., Richland, WA (United States)

    1993-07-01T23:59:59.000Z

    The National Aeronautics and Space Administration is encouraging energy efficiency in its buildings and facilities as part of an overall strategy to meet the requirements of the Executive Order on Energy Efficiency and the Comprehensive Energy Policy Act of 1992. NASA requested technical assistance from the Pacific Northwest Laboratory to conduct a site visit, examine selected buildings and facilities, and suggest appropriate and economically acceptable energy efficiency measures and future actions at NASA`s Goddard Space Flight Center. PNL was also tasked to investigate the current and future demand-side management (DSM) programs offered by the servicing electric utility that would be applicable for the site. The information for this assessment was collected during site visits to the Goddard Space Flight Center during September and October 1992. The assessment addresses energy supply and cost, estimated energy distribution and use, and cost-effective options to reduce energy consumption at the center. Applicable utility DSM programs are also identified. A recommended strategy is identified to undertake a more comprehensive long-term energy reduction program at the site. A model approach is also given for the site to develop a partnership with the serving electric utility to implement a ``custom`` site-wide DSM program incorporating the several incentives offered by the utility to governmental agencies.

  16. Summary and recommendations for the NASA/MIT Workshop on Short Haul Air Transport, Waterville Valley, New Hampshire, August 1971

    E-Print Network [OSTI]

    Simpson, R. W.

    1968-01-01T23:59:59.000Z

    Executive summary: A review is given of the material covered by the MIT/NASA Waterville Valley workshop which dealt with the institutional, socio-economic, operational, and technological problems associated with introducing ...

  17. A Search for Additional Planets in Five of the Exoplanetary Systems Studied by the Nasa Epoxi Mission

    E-Print Network [OSTI]

    Ballard, Sarah

    We present time series photometry and constraints on additional planets in five of the exoplanetary systems studied by the EPOCh (Extrasolar Planet Observation and Characterization) component of the NASA EPOXI mission: ...

  18. Proceedings of the NASA/MIT Workshop on Airline Systems Analysis, Waterville Valley, New Hampshire, July 10-21, 1972

    E-Print Network [OSTI]

    Vittek, Joseph F.

    1972-01-01T23:59:59.000Z

    Introduction: The recent renaming of the NASA Office of Advanced Research band Technology as the Office of Aeronautics and Space Technology emphasizes the new stress being placed on aeronautical research by the Federal ...

  19. A.24 ENHANCING THE CAPABILITY OF COMPUTATIONAL EARTH SYSTEM MODELS AND NASA DATA FOR OPERATION AND ASSESSMENT

    E-Print Network [OSTI]

    A.24-1 A.24 ENHANCING THE CAPABILITY OF COMPUTATIONAL EARTH SYSTEM MODELS AND NASA DATA) computational support of Earth system modeling. #12;A.24-2 2.1 Acceleration of Operational Use of Research Data

  20. Fluorinated silica microchannel surfaces

    DOE Patents [OSTI]

    Kirby, Brian J.; Shepodd, Timothy Jon

    2005-03-15T23:59:59.000Z

    A method for surface modification of microchannels and capillaries. The method produces a chemically inert surface having a lowered surface free energy and improved frictional properties by attaching a fluorinated alkane group to the surface. The coating is produced by hydrolysis of a silane agent that is functionalized with either alkoxy or chloro ligands and an uncharged C.sub.3 -C.sub.10 fluorinated alkane chain. It has been found that the extent of surface coverage can be controlled by controlling the contact time from a minimum of about 2 minutes to a maximum of 120 minutes for complete surface coverage.

  1. 23LRO -The Relative Ages of Lunar Surfaces We have all sees pictures of craters on the moon. The images on the

    E-Print Network [OSTI]

    . The images on the next two pages show close-up views of the cratered lunar surface near the Apollo 15 and Apollo 11 landing areas. They were taken by NASA's Lunar Reconnaissance Orbiter (LRO) from an orbit Apollo-11 landed in a relatively younger or older region than Apollo 15! This is the Apollo-15 landing

  2. TRAVEL INFORMATION Goddard Institute for Space Studies

    E-Print Network [OSTI]

    for Space Studies New York City The Venue: GISS The NASA Goddard Institute for Space Studies is located the TV program Seinfeld, you may recognize our corner from the exterior shots of the diner where Jerry is a component laboratory of Goddard Space Flight Center's Earth Sciences Division, which is part of GSFC

  3. Joshua S. Fu Department of Civil and Environmental Engineering

    E-Print Network [OSTI]

    Tennessee, University of

    IN FREQUENCY OF MID-LATITUDE CYCLONES OVER PAST 50 YEARS Wind Power? Air Pollution? #12, GISS/NASA GLOBAL CHANGE AND AIR POLLUTION (GCAP) 2000-2050 change Quality Model (PnET-BGC) Archived local met and air pollutants Potential development for two-ways coupling

  4. Global Warming: Connecting the Dots

    E-Print Network [OSTI]

    Hansen, James E.

    Global Warming: Connecting the Dots from Causes to Solutions* Jim Hansen 26 February 2007 National://www.columbia.edu/~jeh1/worldwatch_nov2006.pdf) 5. Communicating dangers and opportunities in global warming, Amer-16, 2006. (http://pubs.giss.nasa.gov/docs/2006/2006_Hansen.pdf) 8. Global warming: Connecting the dots from

  5. Fresnel versus Kummer surfaces

    E-Print Network [OSTI]

    Peinke, Joachim

    Fresnel versus Kummer surfaces Alberto Favaro & Friedrich W. Hehl Outline Linear media Linear media-you. Fresnel versus Kummer surfaces: geometrical optics in dispersionless linear (meta)materials and vacuum, 19­23 November 2012 Email: favaro@thp.uni-koeln.de #12;Fresnel versus Kummer surfaces Alberto Favaro

  6. SURFACE TENSION DRIVEN CONVECTION

    E-Print Network [OSTI]

    Wang, Shouhong

    SURFACE TENSION DRIVEN CONVECTION DIJKSTRA, SENGUL, WANG INTRODUCTION LINEAR THEORY MAIN THEOREMS CONCLUDING REMARKS DYNAMIC TRANSITIONS OF SURFACE TENSION DRIVEN CONVECTION H.Dijkstra T. Sengul S. Wang #12;SURFACE TENSION DRIVEN CONVECTION DIJKSTRA, SENGUL, WANG INTRODUCTION LINEAR THEORY MAIN THEOREMS

  7. NASA Boeing 757 HIRF test series low power on-the-ground tests

    SciTech Connect (OSTI)

    Poggio, A.J.; Pennock, S.T.; Zacharias, R.A.; Avalle, C.A.; Carney, H.L. [National Aeronautics and Space Administration, Langley AFB, VA (United States). Langley Research Center] [National Aeronautics and Space Administration, Langley AFB, VA (United States). Langley Research Center

    1996-08-01T23:59:59.000Z

    The data acquisition phase of a program intended to provide data for the validation of computational, analytical, and experimental techniques for the assessment of electromagnetic effects in commercial transports; for the checkout of instrumentation for following test programs; and for the support of protection engineering of airborne systems has been completed. Funded by the NASA Fly-By-Light/ Power-By-Wire Program, the initial phase involved on-the-ground electromagnetic measurements using the NASA Boeing 757 and was executed in the LESLI Facility at the USAF Phillips Laboratory. The major participants in this project were LLNL, NASA Langley Research Center, Phillips Laboratory, and UIE, Inc. The tests were performed over a five week period during September through November, 1994. Measurements were made of the fields coupled into the aircraft interior and signals induced in select structures and equipment under controlled illumination by RF fields. A characterization of the ground was also performed to permit ground effects to be included in forthcoming validation exercises. This report and the associated test plan that is included as an appendix represent a definition of the overall on-the-ground test program. They include descriptions of the test rationale, test layout, and samples of the data. In this report, a detailed description of each executed test is provided, as is the data identification (data id) relating the specific test with its relevant data files. Samples of some inferences from the data that will be useful in protection engineering and EM effects mitigation are also presented. The test plan which guided the execution of the tests, a test report by UIE Inc., and the report describing the concrete pad characterization are included as appendices.

  8. AVTA Federal Fleet PEV Readiness Data Logging and Characterization Study for NASA White Sands Test Facility

    SciTech Connect (OSTI)

    Stephen Schey; Jim Francfort

    2014-10-01T23:59:59.000Z

    This report focuses on the NASA White Sands Test Facility (WSTF) fleet to identify daily operational characteristics of select vehicles and report findings on vehicle and mission characterizations to support the successful introduction of plug-in electric vehicles (PEVs) into the agencies’ fleets. Individual observations of these selected vehicles provide the basis for recommendations related to electric vehicle adoption and whether a battery electric vehicle (BEV) or plug-in hybrid electric vehicle (PHEV) (collectively plug-in electric vehicles, or PEVs) can fulfill the mission requirements.

  9. New Horizons Science Photos from NASA's Pluto-Kuiper Belt Mission

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

    DOE provided the power supply for NASA's New Horizons Mission, a mission to the Pluto and Charon, a double-planet system, and the Kuiper Belt. There are 61 science photos posted on the New Horizons website, along with mission photos, spacecraft images, launch photos, posters and renderings that are both scientific and artistic. Dates range from June of 2006 to February of 2008. The images can be searched by keywords, by date, or by subject topic. They can also be browsed as an entire list. Each image has a detailed description.

  10. AVTA Federal Fleet PEV Readiness Data Logging and Characterization Study for NASA Glenn Research Center

    SciTech Connect (OSTI)

    Stephen Schey; Jim Francfort

    2014-10-01T23:59:59.000Z

    The Advanced Vehicle Testing Activity’s study seeks to collect and evaluate data to validate the utilization of advanced plug-in electric vehicle (PEV) transportation. This report focuses on the NASA Glenn Research Center (GRC) fleet to identify daily operational characteristics of select vehicles and report findings on vehicle and mission characterizations to support the successful introduction of PEVs into the agencies’ fleets. Individual observations of these selected vehicles provide the basis for recommendations related to electric vehicle adoption and whether a battery electric vehicle or plug-in hybrid electric vehicle (collectively referred to as PEVs) can fulfill the mission requirements.

  11. NASA and DOE Collaborate on Dark Energy Research | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy China 2015of 2005 attheMohammed Khan - Technology ProjectEnergyNAICS Codes- NASA and

  12. NASA/Ames Global Emissions Data Set (GLEMIS) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroup |JilinLu anMicrogreenMoonNASA/Ames Global Emissions Data Set (GLEMIS)

  13. Nasa Space Radiation Laboratory (NSRL) | U.S. DOE Office of Science (SC)

    Office of Science (SC) Website

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What'sis Taking Over OurTheBrookhavenMassachusetts Regions National ScienceModeling ofMore HeatNasa Space

  14. Surface cleanliness measurement procedure

    DOE Patents [OSTI]

    Schroder, Mark Stewart (Hendersonville, NC); Woodmansee, Donald Ernest (Simpsonville, SC); Beadie, Douglas Frank (Greenville, SC)

    2002-01-01T23:59:59.000Z

    A procedure and tools for quantifying surface cleanliness are described. Cleanliness of a target surface is quantified by wiping a prescribed area of the surface with a flexible, bright white cloth swatch, preferably mounted on a special tool. The cloth picks up a substantial amount of any particulate surface contamination. The amount of contamination is determined by measuring the reflectivity loss of the cloth before and after wiping on the contaminated system and comparing that loss to a previous calibration with similar contamination. In the alternative, a visual comparison of the contaminated cloth to a contamination key provides an indication of the surface cleanliness.

  15. DNA ELECTROPHORESIS AT SURFACES

    SciTech Connect (OSTI)

    RAFAILOVICH, MIRIAM; SOKOLOV, JONATHAN; GERSAPPE, DILIP

    2003-09-01T23:59:59.000Z

    During this year we performed two major projects: I. We developed a detailed theoretical model which complements our experiments on surface DNA electrophoresis. We found that it was possible to enhance the separation of DNA chains by imposing a chemical nanoscale pattern on the surface. This approach utilized the surface interaction effect of the DNA chains with the substrate and is a refinement to our previous method in which DNA chains were separated on homogeneous flat surfaces. By introducing the nano-patterns on the surface, the conformational changes of DNA chains of different lengths can be amplified, which results in the different friction strengths with the substrate surface. Our results also show that, when compared to the DNA electrophoresis performed on homogeneous flat surfaces, nanopatterned surfaces offer a larger window in choosing different surface interactions to achieve separation. II. In collaboration with a large international manufacturer of skin care products we also embarked on a project involving photo toxicity of titanium dioxide nanoparticles, which are a key ingredient in sunscreen and cosmetic lotions. The results clearly implicated the nanoparticles in catalyzing damage to chromosomal DNA. We then used this knowledge to develop a polymer/anti-oxidant coating which prevented the photocatalytic reaction on DNA while still retaining the UV absorptive properties of the nanoparticles. The standard gel electrophoresis was not sufficient in determining the extent of the DNA damage. The conclusions of this study were based predominantly on analysis obtained with the surface electrophoresis method.

  16. LARGE SCALE REFRIGERATION PLANT FOR GROUND TESTING THE JAMES WEBB TELESCOPE AT NASA JOHNSON SPACE CENTER

    SciTech Connect (OSTI)

    P. Arnold, Lutz Decker, D. Howe, J. Urbin, Jonathan Homan, Carl Reis, J. Creel, V. Ganni, P. Knudsen, A. Sidi-Yekhlef

    2010-04-01T23:59:59.000Z

    The James Webb Telescope is the successor to the Hubble Telescope and will be placed in an orbit of 1.5 million km from earth. Before launch in 2014, the telescope will be tested in NASA Johnson Space Center's (JSC) space simulation chamber, Chamber A. The tests will be conducted at deep space conditions. Chamber A's helium cryo-panels are currently cooled down to 20 K by two Linde 3.5 kW helium refrigerators. The new 12.5 kW, 20-K helium coldbox described in this paper is part of the upgrade to the chamber systems for this large test program. The Linde coldbox will provide refrigeration in several operating modes where the temperature of the chamber is being controlled with a high accuracy due to the demanding NASA test requirements. The implementation of two parallel expansion turbine strings and the Ganni cycle—Floating Pressure process results in a highly efficient and flexible process that minimizes the electrical input power. This paper will describe the collaboration and execution of the coldbox project.

  17. NASA/TM2012-104606/Vol 28 Andrea Molod, Lawrence Takacs, Max Suarez, Julio Bacmeister, In-Sun Song, and Andrew Eichmann

    E-Print Network [OSTI]

    Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076-1320 NASA STI Program Hanover, MD 21076-1320 National Tec

  18. Surface nonlinear optics

    SciTech Connect (OSTI)

    Shen, Y.R.; Chen, C.K.; de Castro, A.R.B.

    1980-01-01T23:59:59.000Z

    Surface electromagnetic waves are waves propagating along the interface of two media. Their existence was predicted by Sommerfield in 1909. In recent years, interesting applications have been found in the study of overlayers and molecular adsorption on surfaces, in probing of phase transitions, and in measurements of refractive indices. In the laboratory, the nonlinear interaction of surface electromagnetic waves were studied. The preliminary results of this recent venture in this area are presented.

  19. Surface modification to waveguides

    DOE Patents [OSTI]

    Timberlake, J.R.; Ruzic, D.N.; Moore, R.L.; Cohen, S.A.; Manos, D.M.

    1982-06-16T23:59:59.000Z

    A method is described for treating the interior surfaces of a waveguide to improve power transmission comprising the steps of mechanically polishing to remove surface protrusions; electropolishing to remove embedded particles; ultrasonically cleaning to remove any residue; coating the interior waveguide surfaces with an alkyd resin solution or electrophoretically depositing carbon lamp black suspended in an alkyd resin solution to form a 1..mu.. to 5..mu.. thick film; vacuum pyrolyzing the film to form a uniform adherent carbon coating.

  20. Running surface couplings

    E-Print Network [OSTI]

    S. D. Odintsov; A. Wipf

    1995-06-19T23:59:59.000Z

    We discuss the renormalization group improved effective action and running surface couplings in curved spacetime with boundary. Using scalar self-interacting theory as an example, we study the influence of the boundary effects to effective equations of motion in spherical cap and the relevance of surface running couplings to quantum cosmology and symmetry breaking phenomenon. Running surface couplings in the asymptotically free SU(2) gauge theory are found.

  1. GISS ICP at Columbia University ICP Student and Teacher Research Interns

    E-Print Network [OSTI]

    * Bronx High School of Science* DeWitt Clinton High School Fieldston School John F. Kennedy High School. Sharun Paroxy Web Development Telcordia Walrus Internet Education Jacobs Ladder Art Education Outreach

  2. Climate implications of carbonaceous aerosols: An aerosol microphysical study using the GISS/MATRIX climate model

    E-Print Network [OSTI]

    Bauer, Susanne E.

    2010-01-01T23:59:59.000Z

    and R. Ruedy, Matrix (multiconfiguration aerosol tracker ofmixing state): An aerosol microphysical module for globalAn investigative review, Aerosol Sci. Technol. , Vol. 40,

  3. Catherine Naud (Columbia Univ.) and Anthony Del Genio (GISS), New York

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office511041clothAdvanced Materials Advanced. C o w l i t z C o .Fornl ProjectDeterminatIon

  4. Terahertz surface plasmon polaritons on a semiconductor surface structured with

    E-Print Network [OSTI]

    Murphy, Thomas E.

    Terahertz surface plasmon polaritons on a semiconductor surface structured with periodic V-doped silicon surface, using anisotropic wet-etching of crystalline silicon, thereby forming a plasmonic surfaces. © 2013 Optical Society of America OCIS codes: (240.6680) Surface plasmons; (240.6690) Surface

  5. Reconstructing Surfaces and Functions on Surfaces from

    E-Print Network [OSTI]

    Texas at Austin, University of

    part is a common problem in Reverse Engineering. The part might be scannedwith a device like the laser-engineeringprocesses are nowadays commonplace in the manufacturing industry. For example, a company that manufactures mechanical object and measure the location of points on its surface. Mechanical probes, used in the manufacturing

  6. Concrete Pavement Surface Characteristics

    E-Print Network [OSTI]

    , Broom, Belt, Carpet) Shot Peened Exposed Aggregate Porous (Pervious) Concrete Milled HMA and SurfaceImproving Concrete Pavement Surface Characteristics Pooled Fund TPF-5(139) National Concrete do with this knowledge? #12;Better Design and Construction Practices for Texturing Concrete Pavement

  7. A New Blackbody Radiation Law Based on Fractional Calculus and its Application to NASA COBE Data

    E-Print Network [OSTI]

    Biyajima, Minoru; Suzuki, Naomichi

    2015-01-01T23:59:59.000Z

    By applying fractional calculus to the equation proposed by M. Planck in 1900, we obtain a new blackbody radiation law described by a Mittag-Leffler (ML) function. We have analyzed NASA COBE data by means of a non-extensive formula with a parameter $(q-1)$, a formula proposed by Ertik et al. with a fractional parameter $(\\alpha-1)$, and our new formula including a parameter $(p-1)$, as well as the Bose-Einstein distribution with a dimensionless chemical potential $\\mu$. It can be said that one role of the fractional parameter $(p-1)$ is almost the same as that of chemical potential $(\\mu)$ as well as that of the parameter $(q-1)$ in the non-extensive approach.

  8. Innovative nuclear thermal propulsion technology evaluation: Results of the NASA/DOE Task Team study

    SciTech Connect (OSTI)

    Howe, S. (Los Alamos National Lab., NM (United States)); Borowski, S. (National Aeronautics and Space Administration, Cleveland, OH (United States). Lewis Research Center); Motloch, C. (EG and G Idaho, Inc., Idaho Falls, ID (United States)); Helms, I. (Nuclear Utility Services, Damascus, MD (United States)); Diaz, N.; Anghaie, S. (Florida Univ., Gainesville, FL (United States)); Latham, T. (United

    1991-01-01T23:59:59.000Z

    In response to findings from two NASA/DOE nuclear propulsion workshops held in the summer of 1990, six task teams were formed to continue evaluation of various nuclear propulsion concepts. The Task Team on Nuclear Thermal Propulsion (NTP) created the Innovative Concepts Subpanel to evaluate thermal propulsion concepts which did not utilize solid fuel. The Subpanel endeavored to evaluate each of the concepts on a level technological playing field,'' and to identify critical technologies, issues, and early proof-of-concept experiments. The concepts included the liquid core fission, the gas core fission, the fission foil reactors, explosively driven systems, fusion, and antimatter. The results of the studies by the panel will be provided. 13 refs., 6 figs., 2 tabs.

  9. Acknowledgments: NASA Glenn Research Center (Grant #NNC04GB44G) College of Engineering Prof. Martin Abraham NASA envisions employing fuel cells running on jet fuel reformate for its uninhabited aerial vehicles (UAVs), low emission alternative power (LE

    E-Print Network [OSTI]

    Azad, Abdul-Majeed

    · Prof. Martin Abraham NASA envisions employing fuel cells running on jet fuel reformate for its to the formation of H2S which is detrimental to the anode in the fuel cell stack in addition to emitting unpleasant's research and commercial flights using solid oxide fuel cells. ·· Designing nanoscale ceria-based sulfur

  10. Background: Hurricane Elena, 1985. Image Science and Analysis Laboratory, NASA-Johnson Space Center, Astronaut Photography of Earth. http://eol.jsc.nasa.gov

    E-Print Network [OSTI]

    Plant, Robert

    , but rather the Ekman pumping supports the PV mechanism, as- sisting with ventilation of PV from the boundary, the effects are large (Beare, 2007) [GH] = - hHs h2 (4) · Eq. 4 describes PV generation by surface heat flux most Ekman pumping, especially around the cyclone centre · PV anomaly remains, but is lower

  11. A Comparison of Extra-tropical Cyclones in Recent Re-analyses; ERA-INTERIM, NASA-MERRA,

    E-Print Network [OSTI]

    Hodges, Kevin

    separation of the identically same cyclones is typically less than 20 geodesic in both hemispheresA Comparison of Extra-tropical Cyclones in Recent Re-analyses; ERA-INTERIM, NASA-MERRA, NCEP Corresponding author: Kevin Hodges email: kih@mail.nerc-essc.ac.uk #12;Abstract Extra-tropical cyclones

  12. Volume 2 Issue 4 www.nasa.gov/centers/stennis April 2007 About 150 local students created an edible sun

    E-Print Network [OSTI]

    sun model during Stennis Space Center's Sun-Earth Day celebration on April 10. With a plain cookie, the students created the sun's outer layers ­ photosphere, sunspots and solar prominences ­ by spreading white how the Sun is structured," said Keely Keyser, SSC's NASA Explorer Schools coordinator. "All the hands

  13. Lifting from Earth Marshall is NASA's designated developer and integrator of launch systems. The Center has the engineering capabilities

    E-Print Network [OSTI]

    Waliser, Duane E.

    Lifting from Earth Marshall is NASA's designated developer and integrator of launch systems travel evolves, Marshall will play a major role in delivering the systems and technology needed for the next generation of space launch vehicles. Living and Working in Space Marshall supports work

  14. Tracking and Verification of East Atlantic Tropical Cyclone Genesis in the NCEP Global Ensemble: Case Studies during the NASA African

    E-Print Network [OSTI]

    Pu, Zhaoxia

    : Case Studies during the NASA African Monsoon Multidisciplinary Analyses ANDREW D. SNYDER AND ZHAOXIA PU to a genesis time defined to be the first designation of the tropical depression from the National Hurricane and Kalnay 1997; Buizza et al. 2005; Wei et al. 2008; Reynolds et al. 2008). During the hurricane season

  15. John. C. Stennis Space Center VOLUME 1, ISSUE 4 www.nasa.gov/centers/stennis WINTER 2005

    E-Print Network [OSTI]

    : SSC grows ice in Return to Flight testing NASA/NRL study cruise Year 2004 in review Around Our World was launched to study the Earth's atmosphere. And, the X-43A scramjet-powered research vehicle successfully laser energy company picked Stennis for its relocation site. The NOAA Data Buoy Center was involved

  16. 17LRO and the Apollo-11 Landing Site The NASA Lunar Reconnaissance Orbiter (LRO), launched in 2009, will be able

    E-Print Network [OSTI]

    17LRO and the Apollo-11 Landing Site The NASA Lunar Reconnaissance Orbiter (LRO), launched in 2009 surrounding the Apollo 11 landing site where astronauts deployed experiments and walked around the landing an overlay of 10 rows and 10 columns on the above figure at a location near the Apollo-11 landing area

  17. Surface alloying of immiscible metals induced by surface state shift

    E-Print Network [OSTI]

    Che, Jingguang

    , and topography; Silver; Gold; Copper; Tungsten; Molybdenum 1. Introduction Surface alloying has been a subjectSurface alloying of immiscible metals induced by surface state shift X.K. Shu, P. Jiang, J.G. Che) surface to form the substitutional surface alloys, despite the fact that they do not like to form alloy

  18. Enhanced surface hydrophobicity by coupling of surface polarity and topography

    E-Print Network [OSTI]

    Enhanced surface hydrophobicity by coupling of surface polarity and topography Nicolas organization and contact angle. We show that when the topography and polarity of the surface act in concert- ciated that the topography of a surface is important in deter- mining the degree of surface

  19. Entropy and surfaceness

    E-Print Network [OSTI]

    Casper, James Kyle

    1997-01-01T23:59:59.000Z

    The layer of the Earth's atmosphere which contains clouds and weather systems is a thin thermoregulatory surface. It maintains an exact energy budget between the Earth and the Sun. Recent work in theoretical physics is ...

  20. A surface ionization source 

    E-Print Network [OSTI]

    Buzatu, Daniel J.

    1995-01-01T23:59:59.000Z

    The main part of the work described herein is the development and testing of a surface ionization source for use on a collinear fast beam laser spectroscopy apparatus. A description of the previously existing fast beam apparatus is given...

  1. SURFACE NONLINEAR OPTICS

    E-Print Network [OSTI]

    Shen, Y.R.

    2010-01-01T23:59:59.000Z

    B. de Castro, and Y. R. Shen, Optics Lett. i, 393 See, for3, 1980 SURFACE NONLINEAR OPTICS Y.R. Shen, C.K. Chen, andde Janiero SURFRACE NONLINEAR OPTICS Y. R. Shen, C. K. Chen,

  2. Asteroid Surface Geophysics

    E-Print Network [OSTI]

    Murdoch, Naomi; Schwartz, Stephen R; Miyamoto, Hideaki

    2015-01-01T23:59:59.000Z

    The regolith-covered surfaces of asteroids preserve records of geophysical processes that have occurred both at their surfaces and sometimes also in their interiors. As a result of the unique micro-gravity environment that these bodies posses, a complex and varied geophysics has given birth to fascinating features that we are just now beginning to understand. The processes that formed such features were first hypothesised through detailed spacecraft observations and have been further studied using theoretical, numerical and experimental methods that often combine several scientific disciplines. These multiple approaches are now merging towards a further understanding of the geophysical states of the surfaces of asteroids. In this chapter we provide a concise summary of what the scientific community has learned so far about the surfaces of these small planetary bodies and the processes that have shaped them. We also discuss the state of the art in terms of experimental techniques and numerical simulations that...

  3. Surface wave interferometry 

    E-Print Network [OSTI]

    Halliday, David Fraser

    2009-01-01T23:59:59.000Z

    This thesis concerns the application of seismic interferometry to surface waves. Seismic interferometry is the process by which the wavefield between two recording locations is estimated, resulting in new recordings at ...

  4. A surface ionization source

    E-Print Network [OSTI]

    Buzatu, Daniel J.

    1995-01-01T23:59:59.000Z

    The main part of the work described herein is the development and testing of a surface ionization source for use on a collinear fast beam laser spectroscopy apparatus. A description of the previously existing fast beam apparatus is given...

  5. Surface Water Management Areas (Virginia)

    Broader source: Energy.gov [DOE]

    This legislation establishes surface water management areas, geographically defined surface water areas in which the State Water Control Board has deemed the levels or supply of surface water to be...

  6. Surface Water Quality Standards (Kansas)

    Broader source: Energy.gov [DOE]

    This act states regulations for the quality of surface water in the state. It also states designated uses of classified surface waters, surface water quality criteria and an antidegradation policy...

  7. Large Magnetization at Carbon Surfaces

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

    Large Magnetization at Carbon Surfaces Large Magnetization at Carbon Surfaces Print Wednesday, 31 August 2011 00:00 From organic matter to pencil lead, carbon is a versatile...

  8. Tools for Surface Analysis | EMSL

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

    surface analysis - Because of the importance of clear and unambiguous communications, ISO definitions and concepts related to surface chemical analysis are now freely available....

  9. Effective Date: July 5, 2011 Check the JPSS MIS Server at https://jpssmis.gsfc.nasa.gov/frontmenu_dsp.cfm to verify that this is the correct version prior to use.

    E-Print Network [OSTI]

    ://jpssmis.gsfc.nasa.gov/mainmenu_dsp.cfm ) Reviewed By: JPSS Ground System Craig Weikel C3S Manager (Electronic Approvals available online at https://jpssmis.gsfc.nasa.gov/mainmenu_dsp.cfm ) Patrick Coronado FTS Manager (Electronic Approvals available online at https://jpssmis.gsfc.nasa.gov/mainmenu_dsp.cfm ) William Sullivan JPSS CGS Program Manager (Electronic Approvals available online at https

  10. Lectures 9: Surface Plasmon Polaritons Surface Plasmon Polaritons (SPPs)

    E-Print Network [OSTI]

    Lectures 9: Surface Plasmon Polaritons #12;Surface Plasmon Polaritons (SPPs) Introduction and basic properties Standard textbook: - Heinz Raether, Surface Plasmons on Smooth and Rough Surfaces and on Gratings Springer Tracts in Modern Physics, Vol. 111, Springer Berlin 1988 Overview articles on Plasmonics: - A

  11. Compliant layer chucking surface

    DOE Patents [OSTI]

    Blaedel, Kenneth L. (Dublin, CA); Spence, Paul A. (Pleasanton, CA); Thompson, Samuel L. (Pleasanton, CA)

    2004-12-28T23:59:59.000Z

    A method and apparatus are described wherein a thin layer of complaint material is deposited on the surface of a chuck to mitigate the deformation that an entrapped particle might cause in the part, such as a mask or a wafer, that is clamped to the chuck. The harder particle will embed into the softer layer as the clamping pressure is applied. The material composing the thin layer could be a metal or a polymer for vacuum or electrostatic chucks. It may be deposited in various patterns to affect an interrupted surface, such as that of a "pin" chuck, thereby reducing the probability of entrapping a particle.

  12. Decontaminating metal surfaces

    DOE Patents [OSTI]

    Childs, E.L.

    1984-01-23T23:59:59.000Z

    Radioactively contaminated surfaces can be electrolytically decontaminated with greatly increased efficiencies by using electrolytes containing higher than heretofore conventional amounts of nitrate, e.g., >600 g/1 of NaNO/sub 3/, or by using nitrate-containing electrolytes which are acidic, e.g., of a pH < 6.

  13. Summary of Training Workshop on the Use of NASA tools for Coastal Resource Management in the Gulf of Mexico

    SciTech Connect (OSTI)

    Judd, Chaeli; Judd, Kathleen S.; Gulbransen, Thomas C.; Thom, Ronald M.

    2009-03-01T23:59:59.000Z

    A two-day training workshop was held in Xalapa, Mexico from March 10-11 2009 with the goal of training end users from the southern Gulf of Mexico states of Campeche and Veracruz in the use of tools to support coastal resource management decision-making. The workshop was held at the computer laboratory of the Institute de Ecologia, A.C. (INECOL). This report summarizes the results of that workshop and is a deliverable to our NASA client.

  14. Space Math http://spacemath.gsfc.nasa.gov This collection of activities is based on a weekly series of space

    E-Print Network [OSTI]

    eclipse (Fred Espenak); Apollo-11 LEM and earthrise (NASA). Back: The Lunar Rover This booklet was created's First Images of Mare Nubium 3-5 11 Mare Nubium and Las Vegas 3-5 12 The Apollo-11 Landing Area - I 3-5 13 The Apollo-11 Landing Area - II 3-5 14 The Apollo-11 Landing Area - III 3-5 15 The Apollo-11

  15. NASA Marshall Space Flight Center Improves Cooling System Performance: Best Management Practice Case Study #10: Cooling Towers (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2011-02-01T23:59:59.000Z

    National Aeronautics and Space Administration's (NASA) Marshall Space Flight Center (MSFC) has a longstanding sustainability program that revolves around energy and water efficiency as well as environmental protection. MSFC identified a problematic cooling loop with six separate compressor heat exchangers and a history of poor efficiency. The facility engineering team at MSFC partnered with Flozone Services, Incorporated to implement a comprehensive water treatment platform to improve the overall efficiency of the system.

  16. Smart, passive sun facing surfaces

    DOE Patents [OSTI]

    Hively, L.M.

    1996-04-30T23:59:59.000Z

    An article adapted for selectively utilizing solar radiation comprises an absorptive surface and a reflective surface, the absorptive surface and the reflective surface oriented to absorb solar radiation when the sun is in a relatively low position, and to reflect solar radiation when the sun is in a relatively high position. 17 figs.

  17. Smart, passive sun facing surfaces

    DOE Patents [OSTI]

    Hively, Lee M. (Knoxville, TN)

    1996-01-01T23:59:59.000Z

    An article adapted for selectively utilizing solar radiation comprises an absorptive surface and a reflective surface, the absorptive surface and the reflective surface oriented to absorb solar radiation when the sun is in a relatively low position, and to reflect solar radiation when the sun is in a relatively high position.

  18. Free Boundaries and Minimal Surfaces

    E-Print Network [OSTI]

    2015-05-22T23:59:59.000Z

    Freeboundariesariseastheinterfacebetweenmaterialsinwhichthematerialsretain some energy. In contrast, the interface represented by a minimal surface lives in.

  19. Surface decontamination compositions and methods

    DOE Patents [OSTI]

    Wright; Karen E. (Idaho Falls, ID); Cooper, David C. (Idaho Falls, ID); Peterman, Dean R. (Idaho Falls, ID); Demmer, Ricky L. (Idaho Falls, ID); Tripp, Julia L. (Pocatello, ID); Hull, Laurence C. (Idaho Falls, ID)

    2011-03-29T23:59:59.000Z

    Clay-based compositions capable of absorbing contaminants from surfaces or objects having surface faces may be applied to a surface and later removed, the removed clay-based compositions absorbing at least a portion of the contaminant from the surface or object to which it was applied.

  20. They say that good things come in small packages, and this has certainly been true for NASA's Explorer Program. Explorers are

    E-Print Network [OSTI]

    the solar panels to recharge the battery during the day side. Over a period of twenty-eight months together to produce this view of the galaxy next door. Photo Credit: NASA/JPL-Caltech ssttooryry | A| ASSK

  1. John L. LaBrecque is Lead of the Earth Surface and Interior Focus Area within NASA's Science Mission Directorate. Dr. LaBrecque's responsibilities include the development

    E-Print Network [OSTI]

    Wang, Yuqing

    NI-SAR synthetic aperture radar mission. These missions address a broad scope of scientific, and satellites. Among his achievements were scientific collaborations resulting in the calibration

  2. Pocked surface neutron detector

    DOE Patents [OSTI]

    McGregor, Douglas (Whitmore Lake, MI); Klann, Raymond (Bolingbrook, IL)

    2003-04-08T23:59:59.000Z

    The detection efficiency, or sensitivity, of a neutron detector material such as of Si, SiC, amorphous Si, GaAs, or diamond is substantially increased by forming one or more cavities, or holes, in its surface. A neutron reactive material such as of elemental, or any compound of, .sup.10 B, .sup.6 Li, .sup.6 LiF, U, or Gd is deposited on the surface of the detector material so as to be disposed within the cavities therein. The portions of the neutron reactive material extending into the detector material substantially increase the probability of an energetic neutron reaction product in the form of a charged particle being directed into and detected by the neutron detector material.

  3. Laser surface cleaning

    SciTech Connect (OSTI)

    Crivella, E.C.; Freiwald, J.; Freiwald, D.A.

    1996-12-31T23:59:59.000Z

    Decontamination of contaminated metal and material recycle, two of 31 priority needs identified by the D&D focus group, are the most promising applications for laser ablation within the DOE complex. F2 Associates has developed a robotic laser ablation system that is capable of high contamination rates, waste volume reduction, surface pore cleaning, and real-time characterization of materials. It is being demonstrated that this system will be the most cost-effective technology for metal decontamination and material recycle.

  4. Surface profiling interferometer

    DOE Patents [OSTI]

    Takacs, Peter Z. (P.O. Box 385, Upton, NY 11973); Qian, Shi-Nan (Hefei Synchrotron Radiation Laboratory, University of Science and, Hefei, Anhui, CN)

    1989-01-01T23:59:59.000Z

    The design of a long-trace surface profiler for the non-contact measurement of surface profile, slope error and curvature on cylindrical synchrotron radiation (SR) mirrors. The optical system is based upon the concept of a pencil-beam interferometer with an inherent large depth-of-field. The key feature of the optical system is the zero-path-difference beam splitter, which separates the laser beam into two colinear, variable-separation probe beams. A linear array detector is used to record the interference fringe in the image, and analysis of the fringe location as a function of scan position allows one to reconstruct the surface profile. The optical head is mounted on an air bearing slide with the capability to measure long aspheric optics, typical of those encountered in SR applications. A novel feature of the optical system is the use of a transverse "outrigger" beam which provides information on the relative alignment of the scan axis to the cylinder optic symmetry axis.

  5. Surface forces: Surface roughness in theory and experiment

    SciTech Connect (OSTI)

    Parsons, Drew F., E-mail: Drew.Parsons@anu.edu.au; Walsh, Rick B.; Craig, Vincent S. J. [Department of Applied Mathematics, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200 (Australia)] [Department of Applied Mathematics, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200 (Australia)

    2014-04-28T23:59:59.000Z

    A method of incorporating surface roughness into theoretical calculations of surface forces is presented. The model contains two chief elements. First, surface roughness is represented as a probability distribution of surface heights around an average surface height. A roughness-averaged force is determined by taking an average of the classic flat-surface force, weighing all possible separation distances against the probability distributions of surface heights. Second the model adds a repulsive contact force due to the elastic contact of asperities. We derive a simple analytic expression for the contact force. The general impact of roughness is to amplify the long range behaviour of noncontact (DLVO) forces. The impact of the elastic contact force is to provide a repulsive wall which is felt at a separation between surfaces that scales with the root-mean-square (RMS) roughness of the surfaces. The model therefore provides a means of distinguishing between “true zero,” where the separation between the average centres of each surface is zero, and “apparent zero,” defined by the onset of the repulsive contact wall. A normal distribution may be assumed for the surface probability distribution, characterised by the RMS roughness measured by atomic force microscopy (AFM). Alternatively the probability distribution may be defined by the histogram of heights measured by AFM. Both methods of treating surface roughness are compared against the classic smooth surface calculation and experimental AFM measurement.

  6. Low Altitude Wind Simulation Over Mount Saint Helens Using NASA SRTM Digital Terrain Model

    E-Print Network [OSTI]

    Alberta, University of

    . Using a new radar sweep- ing technique most of the Earth's surfaces was digitized in 3D in approximately Medellin, Colombia Edmonton, Alberta, Canada T6J 2E8 Abstract On February 11, 2000, the Shuttle Radar Topography Mis- sion (SRTM) was launched into space as part of one of the payload of the Shuttle Endeavor

  7. Enhancement of Topological Insulators Surface Conduction

    E-Print Network [OSTI]

    Yu, Xinxin

    2012-01-01T23:59:59.000Z

    Enhancement of Topological Insulators Surface Conduction AEnhancement of Topological Insulators Surface Conduction byTopological Insulator

  8. Test surfaces useful for calibration of surface profilometers

    DOE Patents [OSTI]

    Yashchuk, Valeriy V; McKinney, Wayne R; Takacs, Peter Z

    2013-12-31T23:59:59.000Z

    The present invention provides for test surfaces and methods for calibration of surface profilometers, including interferometric and atomic force microscopes. Calibration is performed using a specially designed test surface, or the Binary Pseudo-random (BPR) grating (array). Utilizing the BPR grating (array) to measure the power spectral density (PSD) spectrum, the profilometer is calibrated by determining the instrumental modulation transfer.

  9. surface science ELSEVIER Surface Science384 (1997) 192 200

    E-Print Network [OSTI]

    surface science ELSEVIER Surface Science384 (1997) 192 200 An ab initio Hartree-Fock study Laboratory, Daresbury, Warrington, WA4 4AD, UK Received 3June 1996;acceptedfor publication 27 March 1997 arrangement is found consisting of localisedspinson the surface titanium atoms. © 1997Elsevier

  10. Understanding and Evaluating Extended Surfaces

    E-Print Network [OSTI]

    Ganapathy, V.

    Extended surfaces are widely used in heat transfer equipment in power and process plants. While various types of extended surfaces are used in the industry, this paper will limit the discussions to the widely used configurations in heat recovery...

  11. Stability at the surface

    SciTech Connect (OSTI)

    Chambers, Scott A.

    2014-12-05T23:59:59.000Z

    Metal oxides are ubiquitous as minerals in the terrestrial environment, as well as in a variety of technologically important structures such as electronic devices and heterogeneous catalysts. Within these various contexts, interfaces between oxides and gases, liquids and solids drive many critically important phenomena ranging from the uptake of contaminants in groundwater by redox-active minerals to the switching of the millions of transistors found in every cell phone and computer. Function is tied to structure. Therefore, fundamental understanding of the structure of oxide surfaces and interfaces is of crucial importance to the comprehension of a plethora of phenomena involving this broad class of materials.

  12. Chemical enhancement of surface deposition

    DOE Patents [OSTI]

    Patch, Keith D. (Lexington, MA); Morgan, Dean T. (Sudbury, MA)

    1997-07-29T23:59:59.000Z

    A method and apparatus for increasing the deposition of ions onto a surface, such as the adsorption of uranium ions on the detecting surface of a radionuclide detector. The method includes the step of exposing the surface to a complexing agent, such as a phosphate ion solution, which has an affinity for the dissolved species to be deposited on the surface. This provides, for example, enhanced sensitivity of the radionuclide detector.

  13. Method for lubricating contacting surfaces

    DOE Patents [OSTI]

    Dugger, Michael T. (Tijeras, NM); Ohlhausen, James A. (Albuquerque, NM); Asay, David B. (Boalsburg, PA); Kim, Seong H. (State College, PA)

    2011-12-06T23:59:59.000Z

    A method is provided for tribological lubrication of sliding contact surfaces, where two surfaces are in contact and in motion relative to each other, operating in a vapor-phase environment containing at least one alcohol compound at a concentration sufficiently high to provide one monolayer of coverage on at least one of the surfaces, where the alcohol compound continuously reacts at the surface to provide lubrication.

  14. Chemical enhancement of surface deposition

    DOE Patents [OSTI]

    Patch, K.D.; Morgan, D.T.

    1997-07-29T23:59:59.000Z

    A method and apparatus are disclosed for increasing the deposition of ions onto a surface, such as the adsorption of uranium ions on the detecting surface of a radionuclide detector. The method includes the step of exposing the surface to a complexing agent, such as a phosphate ion solution, which has an affinity for the dissolved species to be deposited on the surface. This provides, for example, enhanced sensitivity of the radionuclide detector. 16 figs.

  15. Topological Surface States of Antimony

    E-Print Network [OSTI]

    Petta, Jason

    of the sample and keeping the tunneling current constant, one can obtain a topography of the surface (it~ | | ~ a) Topography of Cu(111) surface b) FT of the g-map c) Sketch of Brillouin Zone L. Petersen et alTopological Surface States of Antimony Masih Mehdizadeh 10.08.2012 #12;Outline Introduction

  16. 1, 351383, 2007 Greenland surface

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    TCD 1, 351­383, 2007 Greenland surface mass balance at the end of this century G. Krinner and N-resolution simulations of the surface mass balance of Greenland at the end of this century G. Krinner and N. Julien LGGE Correspondence to: G. Krinner (krinner@ujf-grenoble.fr) 351 #12;TCD 1, 351­383, 2007 Greenland surface mass

  17. 6, 1205712120, 2006 Surface tension

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    ACPD 6, 12057­12120, 2006 Surface tension: measurement, modelling and cloud activation D. O a Creative Commons License. Atmospheric Chemistry and Physics Discussions Surface tensions of multi­12120, 2006 Surface tension: measurement, modelling and cloud activation D. O. Topping et al. Title Page

  18. SUPER HARD SURFACED POLYMERS

    SciTech Connect (OSTI)

    Mansur, Louis K [ORNL] [ORNL; Bhattacharya, R [UES, Incorporated, Dayton, OH] [UES, Incorporated, Dayton, OH; Blau, Peter Julian [ORNL] [ORNL; Clemons, Art [ORNL] [ORNL; Eberle, Cliff [ORNL] [ORNL; Evans, H B [UES, Incorporated, Dayton, OH] [UES, Incorporated, Dayton, OH; Janke, Christopher James [ORNL] [ORNL; Jolly, Brian C [ORNL] [ORNL; Lee, E H [Consultant, Milpitas, CA] [Consultant, Milpitas, CA; Leonard, Keith J [ORNL] [ORNL; Trejo, Rosa M [ORNL] [ORNL; Rivard, John D [ORNL] [ORNL

    2010-01-01T23:59:59.000Z

    High energy ion beam surface treatments were applied to a selected group of polymers. Of the six materials in the present study, four were thermoplastics (polycarbonate, polyethylene, polyethylene terephthalate, and polystyrene) and two were thermosets (epoxy and polyimide). The particular epoxy evaluated in this work is one of the resins used in formulating fiber reinforced composites for military helicopter blades. Measures of mechanical properties of the near surface regions were obtained by nanoindentation hardness and pin on disk wear. Attempts were also made to measure erosion resistance by particle impact. All materials were hardness tested. Pristine materials were very soft, having values in the range of approximately 0.1 to 0.5 GPa. Ion beam treatment increased hardness by up to 50 times compared to untreated materials. For reference, all materials were hardened to values higher than those typical of stainless steels. Wear tests were carried out on three of the materials, PET, PI and epoxy. On the ion beam treated epoxy no wear could be detected, whereas the untreated material showed significant wear.

  19. Tools for measuring surface cleanliness

    DOE Patents [OSTI]

    Schroder, Mark Stewart (Hendersonville, NC); Woodmansee, Donald Ernest (Simpsonville, SC); Beadie, Douglas Frank (Greenville, SC)

    2002-01-01T23:59:59.000Z

    A procedure and tools for quantifying surface cleanliness are described. Cleanliness of a target surface is quantified by wiping a prescribed area of the surface with a flexible, bright white cloth swatch, preferably mounted on a special tool. The cloth picks up a substantial amount of any particulate surface contamination. The amount of contamination is determined by measuring the reflectivity loss of the cloth before and after wiping on the contaminated system and comparing that loss to a previous calibration with similar contamination. In the alternative, a visual comparison of the contaminated cloth to a contamination key provides an indication of the surface cleanliness.

  20. Tunable surface plasmon devices

    DOE Patents [OSTI]

    Shaner, Eric A. (Rio Rancho, NM); Wasserman, Daniel (Lowell, MA)

    2011-08-30T23:59:59.000Z

    A tunable extraordinary optical transmission (EOT) device wherein the tunability derives from controlled variation of the dielectric constant of a semiconducting material (semiconductor) in evanescent-field contact with a metallic array of sub-wavelength apertures. The surface plasmon resonance wavelength can be changed by changing the dielectric constant of the dielectric material. In embodiments of this invention, the dielectric material is a semiconducting material. The dielectric constant of the semiconducting material in the metal/semiconductor interfacial region is controllably adjusted by adjusting one or more of the semiconductor plasma frequency, the concentration and effective mass of free carriers, and the background high-frequency dielectric constant in the interfacial region. Thermal heating and/or voltage-gated carrier-concentration changes may be used to variably adjust the value of the semiconductor dielectric constant.

  1. Dynamic surface topography influences cell function

    E-Print Network [OSTI]

    Kiang, Jennifer Deng

    2012-01-01T23:59:59.000Z

    A) Relative surface topography of hydrogel over a wire (B)oscillating surface topography on cell morphology. In FigureSAN DIEGO Dynamic Surface Topography Influences Cell

  2. Electron Spectrometer: Scanning Multiprobe Surface Analysis System...

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

    Scanning Multiprobe Surface Analysis System - Versaprobe Electron Spectrometer: Scanning Multiprobe Surface Analysis System - Versaprobe The SMSAS is a multi-technique surface...

  3. Page 91 (corrected) Table 4.3.1. Working Group on Data Management.

    E-Print Network [OSTI]

    W. Rossow USA/CSU France/CMS Canada/AES EUMETSAT ESA USA/NOAA/NESDIS Japan/JMA USA/NASA/GISS SPC GOES­WEST SCC SPC GOES­EAST SPC METEOSAT SPC METEOSAT SPC NOAA, ICA SPC GMS GPC MEMBERS FROM JSC/JMA USA/CSU Canada/AES USA/UWS SCC SAPC METEOSAT SPC GOES­EAST SPC NOAA, ICA SPC GOES­EAST SPC NOAA, ICA N

  4. Friction surfaced Stellite6 coatings

    SciTech Connect (OSTI)

    Rao, K. Prasad; Damodaram, R. [Department of Metallurgical and Materials Engineering - Indian Institute of Technology Madras, Chennai 600 036 (India); Rafi, H. Khalid, E-mail: khalidrafi@gmail.com [Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai 600 036 (India); Ram, G.D. Janaki [Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai 600 036 (India); Reddy, G. Madhusudhan [Metal Joining Group, Defence Metallurgical Research Laboratory (DMRL) Kanchanbagh, Hyderabad 500 058 (India); Nagalakshmi, R. [Welding Research Institute, Bharat Heavy Electricals Limited, Tiruchirappalli 620 014 (India)

    2012-08-15T23:59:59.000Z

    Solid state Stellite6 coatings were deposited on steel substrate by friction surfacing and compared with Stellite6 cast rod and coatings deposited by gas tungsten arc and plasma transferred arc welding processes. Friction surfaced coatings exhibited finer and uniformly distributed carbides and were characterized by the absence of solidification structure and compositional homogeneity compared to cast rod, gas tungsten arc and plasma transferred coatings. Friction surfaced coating showed relatively higher hardness. X-ray diffraction of samples showed only face centered cubic Co peaks while cold worked coating showed hexagonally close packed Co also. - Highlights: Black-Right-Pointing-Pointer Stellite6 used as coating material for friction surfacing. Black-Right-Pointing-Pointer Friction surfaced (FS) coatings compared with casting, GTA and PTA processes. Black-Right-Pointing-Pointer Finer and uniformly distributed carbides in friction surfaced coatings. Black-Right-Pointing-Pointer Absence of melting results compositional homogeneity in FS Stellite6 coatings.

  5. Method of modifying a surface

    DOE Patents [OSTI]

    Renk, Timothy J. (Albuquerque, NM); Sorensen, Neil R. (Albuquerque, NM); Senft, Donna Cowell (Albuquerque, NM); Buchheit, Jr., Rudolph G. (Columbus, OH); Thompson, Michael O. (Ithaca, NY); Grabowski, Kenneth S. (Alexandria, VA)

    2000-01-01T23:59:59.000Z

    The present invention provides a surface modification method that provides beneficial changes in surface properties, can modify a surface to a greater depth than previous methods, and that is suitable for industrial application. The present method comprises applying a thin-film coating to a surface of a substrate, then subjecting the coated surface to an ion beam. The ion beam power pulse heats the coated surface, leading to alloying between the material in the coating and the material of the substrate. Rapid cooling of the alloyed layer after an ion beam pulse can lead to formation of metastable alloys and microstructures not accessible by conventional alloying methods or intense ion beam treatment of the substrate alone.

  6. Superhydrophobicity on hairy surfaces

    E-Print Network [OSTI]

    M. L. Blow; J. M. Yeomans

    2010-09-27T23:59:59.000Z

    We investigate the wetting properties of surfaces patterned with fine elastic hairs, with an emphasis on identifying superhydrophobic states on hydrophilic hairs. We formulate a two dimensional model of a large drop in contact with a row of equispaced elastic hairs and, by minimising the free energy of the model, identify the stable and metastable states. In particular we concentrate on "partially suspended" states, where the hairs bend to support the drop -- singlet states where all hairs bend in the same direction, and doublet states where neighbouring hairs bend in opposite directions -- and find the limits of stability of these configurations in terms of material contact angle, hair flexibility, and system geometry. The drop can remain suspended in a singlet state at hydrophilic contact angles, but doublets exist only when the hairs are hydrophobic. The system is more likely to evolve into a singlet state if the hairs are inclined at the root. We discuss how, under limited circumstances, the results can be modified to describe an array of hairs in three dimensions. We find that now both singlets and doublets can exhibit superhydrophobic behaviour on hydrophilic hairs. We discuss the limitations of our approach and the directions for future work.

  7. Surface Water Quality Standards (Nebraska)

    Broader source: Energy.gov [DOE]

    These regulations, promulgated by the Department of Environmental Quality, contain surface water quality standards, stream classifications, discussion of lakes and impounded basins, and water...

  8. Thermocapillary Flow on Superhydrophobic Surfaces

    E-Print Network [OSTI]

    Baier, Tobias; Hardt, Steffen

    2010-01-01T23:59:59.000Z

    A liquid in Cassie-Baxter state above a structured superhydrophobic surface is ideally suited for surface driven transport due to its large free surface fraction in close contact to a solid. We investigate thermal Marangoni flow over a superhydrophobic array of fins oriented parallel or perpendicular to an applied temperature gradient. In the Stokes limit we derive an analytical expression for the bulk flow velocity above the surface and compare it with numerical solutions of the Navier-Stokes equation. Even for moderate temperature gradients comparatively large flow velocities are induced, suggesting to utilize this principle for microfluidic pumping.

  9. Renewable Surface Fluorescence Sandwich Immunoassay Biosensor...

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

    Renewable Surface Fluorescence Sandwich Immunoassay Biosensor for Rapid Sensitive Botulinum Toxin Detection in an Automated Renewable Surface Fluorescence Sandwich Immunoassay...

  10. Probing Nanoscale Surface Enhanced Raman Scattering Fluctuation...

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

    Nanoscale Surface Enhanced Raman Scattering Fluctuation Dynamics using Correalted AFM and Confocal Ultramicroscopy. Probing Nanoscale Surface Enhanced Raman Scattering Fluctuation...

  11. APOLLO XVII LUNAR SURFACE ELECTRICAL PROPERTIES EXPERIMENT

    E-Print Network [OSTI]

    Rathbun, Julie A.

    Urner Raymond Watts Timothy White PERSONNEL Raytheon Company, Engineering Manager University of Toronto Raytheon Company, Assistant Program Manager M.I.T., Earth and Planetary Sciences Raytheon Company, Field Engineering Raytheon Company, Manufacturing Manager NASA/MSC, Program Manager Raytheon Company Raytheon

  12. 3, 435470, 2006 Improved surface

    E-Print Network [OSTI]

    Boyer, Edmond

    related to off-shore activities require the knowledge of accurate sur- face winds and sea states on fineOSD 3, 435­470, 2006 Improved surface wind resolution A. Bentamy et al. Title Page Abstract near real time surface wind resolution over the Mediterranean Sea A. Bentamy, H.-L. Ayina, P

  13. Background canceling surface alpha detector

    DOE Patents [OSTI]

    MacArthur, D.W.; Allander, K.S.; Bounds, J.A.

    1996-06-11T23:59:59.000Z

    A background canceling long range alpha detector which is capable of providing output proportional to both the alpha radiation emitted from a surface and to radioactive gas emanating from the surface. The detector operates by using an electrical field between first and second signal planes, an enclosure and the surface or substance to be monitored for alpha radiation. The first and second signal planes are maintained at the same voltage with respect to the electrically conductive enclosure, reducing leakage currents. In the presence of alpha radiation and radioactive gas decay, the signal from the first signal plane is proportional to both the surface alpha radiation and to the airborne radioactive gas, while the signal from the second signal plane is proportional only to the airborne radioactive gas. The difference between these two signals is proportional to the surface alpha radiation alone. 5 figs.

  14. Pancake bouncing on superhydrophobic surfaces

    E-Print Network [OSTI]

    Liu, Yahua; Xu, Xinpeng; Qian, Tiezheng; Yeomans, Julia M; Wang, Zuankai

    2014-01-01T23:59:59.000Z

    Engineering surfaces that promote rapid drop detachment is of importance to a wide range of applications including anti-icing, dropwise condensation6, and self-cleaning. Here we show how superhydrophobic surfaces patterned with lattices of submillimetre-scale posts decorated with nano-textures can generate a counter-intuitive bouncing regime: drops spread on impact and then leave the surface in a flattened, pancake shape without retracting. This allows for a four-fold reduction in contact time compared to conventional complete rebound. We demonstrate that the pancake bouncing results from the rectification of capillary energy stored in the penetrated liquid into upward motion adequate to lift the drop. Moreover, the timescales for lateral drop spreading over the surface and for vertical motion must be comparable. In particular, by designing surfaces with tapered micro/nanotextures which behave as harmonic springs, the timescales become independent of the impact velocity, allowing the occurrence of pancake bou...

  15. The Virginia Commercial Space Flight Authority (VCSFA), Orbital Sciences Corporation (Orbital), and NASA are working diligently to investigate the environmental impacts of the October 28, 2014 Antares ORB-3 mishap. The

    E-Print Network [OSTI]

    Waliser, Duane E.

    ), and NASA are working diligently to investigate the environmental impacts of the October 28, 2014 Antares fallen, was completed . Page 1 of 2 #12;What Is Known So Far About the Environmental Impacts? Air: Air for the environmental investigation and cleanup, with support from NASA. The Virginia Department of Environmental

  16. Effective Date: March 31, 2011 Check the JPSS MIS Server at https://jpssmis.gsfc.nasa.gov/frontmenu_dsp.cfm to verify that this is the correct version prior to use.

    E-Print Network [OSTI]

    System Craig Weikel C3S Manager (Electronic Approvals available online at https://jpssmis.gsfc.nasa.gov/mainmenu_dsp.cfm ) Patrick Coronado FTS Manager (Electronic Approvals available online at https://jpssmis.gsfc.nasa.gov/mainmenu_dsp.cfm ) William Sullivan JPSS CGS Program Manager (Electronic Approvals available online at https

  17. An optimal fitting approach to improve the GISS ModelE aerosol optical property parameterization using AERONET data

    E-Print Network [OSTI]

    and absorbing solar radiation and the indirect effect by interacting with water vapor to affect cloud formation and lifetime. Absorbing aerosols also have the semidirect effect by heating the atmosphere layer, reducing; Intergovernmental Panel on Climate Change, 2001]. [3] Globalscale models, which simulate the emission, transport

  18. GISS 2007 Temperature Analysis The year 2007 tied for second warmest in the period of instrumental data, behind the

    E-Print Network [OSTI]

    Hansen, James E.

    is an expected characteristic of global warming, as the loss of ice and snow engenders a positive feedback via causes of global temperature change including unforced chaotic fluctuations. The solar minimum forcing. Figure 1 shows 2007 temperature anomalies relative to the 1951-1980 base period mean. The global mean

  19. Surface Power Radiative Cooling Tests

    SciTech Connect (OSTI)

    Vaughn, Jason; Schneider, Todd [Environmental Effects Branch, EM50, NASA Marshall Space Flight Center, AL 35812 (United States)

    2006-01-20T23:59:59.000Z

    Terrestrial nuclear power plants typically maintain their temperature through convective cooling, such as water and forced air. However, the space environment is a vacuum environment, typically 10-8 Torr pressure, therefore in proposed missions to the lunar surface, power plants would have to rely on radiative cooling to remove waste heat. Also, the Martian surface has a very tenuous atmosphere (e.g. {approx}5 Torr CO2), therefore, the main heat transfer method on the Martian surface is also radiative. Because of the lack of atmosphere on the Moon and the tenuous atmosphere on Mars, surface power systems on both the Lunar and Martian surface must rely heavily on radiative heat transfer. Because of the large temperature swings on both the lunar and the Martian surfaces, trying to radiate heat is inefficient. In order to increase power system efficiency, an effort is underway to test various combinations of materials with high emissivities to demonstrate their ability to survive these degrading atmospheres to maintain a constant radiator temperature improving surface power plant efficiency. An important part of this effort is the development of a unique capability that would allow the determination of a materials emissivity at high temperatures. A description of the test capability as well as initial data is presented.

  20. Surface enhanced Raman spectroscopy on a flat graphene surface

    E-Print Network [OSTI]

    Xu, Weigao

    Surface enhanced Raman spectroscopy (SERS) is an attractive analytical technique, which enables single-molecule sensitive detection and provides its special chemical fingerprints. During the past decades, researchers have ...

  1. Dropwise Condensation of Low Surface Tension Fluids on Omniphobic Surfaces

    E-Print Network [OSTI]

    Rykaczewski, Konrad

    Compared to the significant body of work devoted to surface engineering for promoting dropwise condensation heat transfer of steam, much less attention has been dedicated to fluids with lower interfacial tension. A vast ...

  2. Volume 1 Issue 4 www.nasa.gov/centers/stennis April 2006 SSC marks 40th anniversary of first engine test

    E-Print Network [OSTI]

    test On the morning of April 23, 1966, the south Mississippi silence was broken by an earth of the first rocket engine static test-firing on the A-2 Test Stand at what is now NASA's John C. Stennis Space Center. The S-II-T tested April 23, 1966, was a cluster of five J-2 engines, the second stage

  3. Superfund record of decision (EPA Region 3): Langley AFB/NASA Langley Center, Tabbs Creek Operable Unit, Hampton, VA, September 30, 1998

    SciTech Connect (OSTI)

    NONE

    1998-10-01T23:59:59.000Z

    This Record of Decision (ROD) presents remedial action for the Tabbs Creek Operable Unit (OU) at the NASA Langley Research Center (LaRC) in Hampton, Virginia (the Site). This action addresses the principle threat at the OU by dredging and disposing contaminated sediment.

  4. The NASA Aura satellite houses four instruments to study atmospheric ozone. The Ozone Monitoring Instrument (OMI) onboard the satellite provides global total column ozone (TCO) and in combination

    E-Print Network [OSTI]

    Thompson, Anne

    iii ABSTRACT The NASA Aura satellite houses four instruments to study atmospheric ozone. The Ozone Monitoring Instrument (OMI) onboard the satellite provides global total column ozone (TCO) and in combination with other instruments tropospheric ozone residual (TOR) can be derived. In this study, the trajectory

  5. Serving the Marshall Space Flight Center Community www.nasa.gov/centers/marshall/about/star/index.html June 5, 2013 Inside This Issue

    E-Print Network [OSTI]

    Serving the Marshall Space Flight Center Community www.nasa.gov/centers/marshall/about/star/index.html June 5, 2013 Inside This Issue: Turn It Off, Marshall Simple Power Conservation Could Save $1.5M: Ned Wright on Exploring the Universe with WISE page 6 Check us out online! Scan the QR code Marshall

  6. 1Electricity from Sunlight: The Van Allen Probes Solar Panels NASA's twin Van Allen Probes spacecraft will be launched in 2012. The

    E-Print Network [OSTI]

    1Electricity from Sunlight: The Van Allen Probes Solar Panels NASA's twin Van Allen Probes of the surrounding four solar panel `wings' that provide power to the spacecraft instruments. The small blue rectangles within each of the four solar panels show the location of the solar cells used to power

  7. SOHO, the Solar and Heliospheric Observatory, is a project of international cooperation between ESA and NASA to study the Sun, from its deep core to the outer

    E-Print Network [OSTI]

    cooperation between ESA and NASA to study the Sun, from its deep core to the outer corona, and the solar wind and dynamics of the solar interior? · Why does the solar corona exist and how is it heated to the extremely

  8. Using multi-angle, multispectral photo-polarimetry of the NASA Glory mission to constrain optical properties of aerosols and clouds: Results from

    E-Print Network [OSTI]

    Using multi-angle, multispectral photo-polarimetry of the NASA Glory mission to constrain optical Sensor (APS) for the determination of aerosol and cloud properties and a Total Irradiance Monitor (TIM (IFOV)instrument. The APS sensor will provide high-precision measurements of the total and polarized

  9. Volume 1 Issue 12 www.nasa.gov/centers/stennis December 2006 STS-116 hard-wiring the International Space Station

    E-Print Network [OSTI]

    and I'm glad it's now underway." The STS-116 crew inspected Space Shuttle Discovery's exterior Dec. 10 Space Station Discovery lights up the night sky Space Shuttle Discovery lifted off at 7:47 p.m. CST despite cloudy skies, gusty winds and the threat of rain to Kennedy Space Center. The launch was NASA

  10. Web: http://dust.ess.uci.edu/prp/prp ids/prp ids.pdf NASA International Polar Year (IPY) Proposal Submitted: April 17, 2006

    E-Print Network [OSTI]

    Zender, Charles

    Web: http://dust.ess.uci.edu/prp/prp ids/prp ids.pdf NASA International Polar Year (IPY) Proposal Researchers and Postdocs on CRY- OLIST and on ESS Website. 6. 20070723: Registered for SPAC Workshop for potential collaborators/contributors: 1. Use CVS to obtain source to this proposal: cvs -d :ext:esmf.ess

  11. The FY 2012 Budget totals $18.7 billion. It funds: All major elements of the NASA Authorization Act of 2010.

    E-Print Network [OSTI]

    ­ Educate. Uses NASA content to inspire learners/teachers. ­ Build. Invests in American industry and lessens;2012 Highlights Sends robotic missions to explore the solar system, supports space-based observatories assumptions are notional. Funding for Federal Employees. The budget assumes consolidation of labor funding

  12. A Technical, Financial, and Policy Analysis of the RAMSES RFID Inventory Management System for NASA's International Space Station: Prospects for SBIR/STTR Technology Infusion

    E-Print Network [OSTI]

    's International Space Station: Prospects for SBIR/STTR Technology Infusion by Abraham T. Grindle Honors B for SBIR/STTR Technology Infusion by Abraham T. Grindle Honors B.S. Aerospace Engineering Saint Louis that might be unique to SBIR/STTR technologies that are successfully infused into the mainstream NASA

  13. Measurements near the Atmospheric Surface Flux Group tower at SHEBA: Near-surface conditions and surface energy budget

    E-Print Network [OSTI]

    Persson, Ola

    Group tower at SHEBA: Near-surface conditions and surface energy budget, J. Geophys. Res., 107(C10Measurements near the Atmospheric Surface Flux Group tower at SHEBA: Near-surface conditions and surface energy budget P. Ola G. Persson,1 Christopher W. Fairall,2 Edgar L. Andreas,3 Peter S. Guest,4

  14. NASA's newest Mars orbiter is a spacecraft designed to find out what the planet is made of,

    E-Print Network [OSTI]

    Waliser, Duane E.

    launch vehicle from Cape Canaveral, Florida. On October 24, 2001, after firing its main engine of the surface. Determining the surface mineralogy and the abun- dance of hydrogen in the shallow subsurface spectrometer will be able to measure the amount of hydrogen in the upper meter of soil across the whole planet

  15. Surface trap for ytterbium ions

    E-Print Network [OSTI]

    Campbell, Jonathan A. (Jonathan Alan)

    2006-01-01T23:59:59.000Z

    We conducted an experiment to load a shallow planar ion trap from a cold atom source of Ytterbium using photoionization. The surface trap consisted of a three-rod radio frequency Paul trap fabricated using standard printed ...

  16. Surface Coal Mining Regulations (Mississippi)

    Broader source: Energy.gov [DOE]

    The Surface Coal Mining Regulations are a combination of permitting requirements and environmental regulations that limit how, where and when coal can be mined. It protects lands that are under...

  17. Surface treatment of ceramic articles

    DOE Patents [OSTI]

    Komvopoulos, K.; Brown, I.G.; Wei, B.; Anders, S.; Anders, A.; Bhatia, C.S.

    1998-12-22T23:59:59.000Z

    A process is disclosed for producing an article with improved ceramic surface properties including providing an article having a ceramic surface, and placing the article onto a conductive substrate holder in a hermetic enclosure. Thereafter a low pressure ambient is provided in the hermetic enclosure. A plasma including ions of solid materials is produced the ceramic surface of the article being at least partially immersed in a macroparticle free region of the plasma. While the article is immersed in the macroparticle free region, a bias of the substrate holder is biased between a low voltage at which material from the plasma condenses on the surface of the article and a high negative voltage at which ions from the plasma are implanted into the article. 15 figs.

  18. SURFACE SCIENCE INVESTIGATION OF CORROSION

    E-Print Network [OSTI]

    Petta, Jason

    SURFACE SCIENCE INVESTIGATION OF CORROSION PROCESSES Danielle Haynes Professor Steve Bernasek August 3rd, 2009 #12;Outline Introduction Corrosion Processes AnalyticalTechnique (XPS) Motivation Methodology Preliminary Results Summary / FutureWork #12;Corrosion Process What is Corrosion? Degradation

  19. Surface Sensitive Microfluidic Optomechanical Sensors

    E-Print Network [OSTI]

    Kim, Kyu Hyun

    2014-01-01T23:59:59.000Z

    The microfluidic optomechanical resonator (uFOMR) based on a thin-walled glass capillary supports high Q-factor (>1000) mechanical modes in the presence of liquids. In this Letter, the sensitivity of the uFOMR to the surface change is studied by layer-by-layer removal of SiO2 molecules from the uFOMR inner surface using various concentrations of hydrofluoric acid solutions. A frequency downshift is observed with a sensitivity of 1.2 Hz/(pg/mm2), which translates to a surface density detection limit of 83 pg/mm2. This work opens a door to using the optomechanical mode for detection and characterization of molecules present near the resonator surface.

  20. Water Rights: Surface Water (Indiana)

    Broader source: Energy.gov [DOE]

    The Indiana Department of Natural Resources regulates the use and diversion of surface waters. An entity that creates additional stream volumes by releases from impoundments built and financed by...

  1. Large Magnetization at Carbon Surfaces

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

    Large Magnetization at Carbon Surfaces Print From organic matter to pencil lead, carbon is a versatile element. Now, another use has been found: magnets. One would not expect pure...

  2. Asperity-scale surface mechanics - Implications to adhesive contacts and microscale deformation behavior of rough surfaces

    E-Print Network [OSTI]

    Xu, Huaming

    2012-01-01T23:59:59.000Z

    Media With Fractal Surface Topographies,” ASME J. Tribol. ,of the new sample surface topography. To account for theprocess, the sample surface topography is modified at

  3. Nanoscale Surface and Interface Mechanics of Elastic-Plastic Media with Smooth, Patterned, and Rough Surfaces

    E-Print Network [OSTI]

    Yin, Xi

    2011-01-01T23:59:59.000Z

    patterning, rough surface topography, interfacial adhesion,media with fractal surface topographies. J. Tribol. 123,representative of the 3D surface topography. A 2D profile of

  4. Corrosion-resistant metal surfaces

    DOE Patents [OSTI]

    Sugama, Toshifumi (Wading River, NY)

    2009-03-24T23:59:59.000Z

    The present invention relates to metal surfaces having thereon an ultrathin (e.g., less than ten nanometer thickness) corrosion-resistant film, thereby rendering the metal surfaces corrosion-resistant. The corrosion-resistant film includes an at least partially crosslinked amido-functionalized silanol component in combination with rare-earth metal oxide nanoparticles. The invention also relates to methods for producing such corrosion-resistant films.

  5. Surface Tension Tzong-Shyng Leu

    E-Print Network [OSTI]

    Leu, Tzong-Shyng "Jeremy"

    1 Fluidics Surface Tension Tzong-Shyng Leu IAA ­ Institute of Aeronautics and Astranautics surface tension. Cohesion and Surface Tension Molecular concept of origin of surface tension: Fluidics The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension

  6. SEQUINS and QUILLS: Representations for Surface Topography

    E-Print Network [OSTI]

    Horn, Berthold K.P.

    1979-05-01T23:59:59.000Z

    The shape of a continuous surface can be represented by a collection of surface normals. These normals are like a porcupine's quills. Equivalently, one can use the surface patches on which these normals rest. These ...

  7. ELECTRONS ON THE SURFACE OF LIQUID HELIUM

    E-Print Network [OSTI]

    Lambert, David Kay

    2011-01-01T23:59:59.000Z

    ON THE SURFACE OF LIQUID HELIUM David Kay Lambert (Ph. D.ON THE SURFACE OF LIQUID HELIUM David Kay Lambert Materialsthe potential well near a helium surface, The charge density

  8. Method of surface preparation of niobium

    DOE Patents [OSTI]

    Srinivasan-Rao, Triveni (Shoreham, NY); Schill, John F. (Ridge, NY)

    2003-01-01T23:59:59.000Z

    The present invention is for a method of preparing a surface of niobium. The preparation method includes polishing, cleaning, baking and irradiating the niobium surface whereby the resulting niobium surface has a high quantum efficiency.

  9. Experimental Evaluation of the Thermal Performance of a Water Shield for a Surface Power Reactor

    SciTech Connect (OSTI)

    Pearson, J. Boise; Stewart, Eric T. [NASA Marshall Space Flight Center, Huntsville, AL 35812 (United States); Reid, Robert S. [Los Alamos National Laboratory, Los Alamos, NM 87544 (United States)

    2007-01-30T23:59:59.000Z

    Water based reactor shielding is being investigated for use on initial lunar surface power systems. A water shield may lower overall cost (as compared to development cost for other materials) and simplify operations in the setup and handling. The thermal hydraulic performance of the shield is of significant interest. The mechanism for transferring heat through the shield is natural convection. Natural convection in a 100 kWt lunar surface reactor shield design is evaluated with 2 kW power input to the water in the Water Shield Testbed (WST) at the NASA Marshall Space Flight Center. The experimental data from the WST is used to validate a CFD model. Performance of the water shield on the lunar surface is then predicted with a CFD model anchored to test data. The experiment had a maximum water temperature of 75 deg. C. The CFD model with 1/6-g predicts a maximum water temperature of 88 deg. C with the same heat load and external boundary conditions. This difference in maximum temperature does not greatly affect the structural design of the shield, and demonstrates that it may be possible to use water for a lunar reactor shield.

  10. Surface property detection apparatus and method

    DOE Patents [OSTI]

    Martens, J.S.; Ginley, D.S.; Hietala, V.M.; Sorensen, N.R.

    1995-08-08T23:59:59.000Z

    Apparatus and method for detecting, determining, and imaging surface resistance corrosion, thin film growth, and oxide formation on the surface of conductors or other electrical surface modification. The invention comprises a modified confocal resonator structure with the sample remote from the radiating mirror. Surface resistance is determined by analyzing and imaging reflected microwaves; imaging reveals anomalies due to surface impurities, non-stoichiometry, and the like, in the surface of the superconductor, conductor, dielectric, or semiconductor. 4 figs.

  11. Pancake bouncing on superhydrophobic surfaces

    E-Print Network [OSTI]

    Yahua Liu; Lisa Moevius; Xinpeng Xu; Tiezheng Qian; Julia M Yeomans; Zuankai Wang

    2014-06-12T23:59:59.000Z

    Engineering surfaces that promote rapid drop detachment is of importance to a wide range of applications including anti-icing, dropwise condensation6, and self-cleaning. Here we show how superhydrophobic surfaces patterned with lattices of submillimetre-scale posts decorated with nano-textures can generate a counter-intuitive bouncing regime: drops spread on impact and then leave the surface in a flattened, pancake shape without retracting. This allows for a four-fold reduction in contact time compared to conventional complete rebound. We demonstrate that the pancake bouncing results from the rectification of capillary energy stored in the penetrated liquid into upward motion adequate to lift the drop. Moreover, the timescales for lateral drop spreading over the surface and for vertical motion must be comparable. In particular, by designing surfaces with tapered micro/nanotextures which behave as harmonic springs, the timescales become independent of the impact velocity, allowing the occurrence of pancake bouncing and rapid drop detachment over a wide range of impact velocities.

  12. Electrochemical, Structural and Surface Characterization of Nickel...

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

    Electrochemical, Structural and Surface Characterization of NickelZirconia Solid Oxide Fuel Cell Anodes in Coal Gas Containing Electrochemical, Structural and Surface...

  13. Arkansas Surface Coal Mining Reclamation Act (Arkansas)

    Broader source: Energy.gov [DOE]

    The Arkansas Surface Coal Mining Reclamation Act authorizes the state to develop, adopt, issue and amend rules and regulations pertaining to surface coal mining and reclamation operations. These...

  14. Surface Water Quality Standards (New Jersey)

    Broader source: Energy.gov [DOE]

    These standards establish the designated uses and antidegradation categories of the State's surface waters, classify surface waters based on those uses (i.e., stream classifications), and specify...

  15. Sum Frequency Generation for Surface Vibrational Spectroscopy...

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

    Sum Frequency Generation for Surface Vibrational Spectroscopy Sum Frequency Generation for Surface Vibrational Spectroscopy This customized SFG-VS spectrometer incorporates unique...

  16. Materials Characterization Capabilities at the HTML: Surface...

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

    density analysis of forming samples using advanced characterization techniques Materials Characterization Capabilities at the HTML: SurfaceSub-surface dislocation density...

  17. Surface modification to prevent oxide scale spallation

    DOE Patents [OSTI]

    Stephens, Elizabeth V; Sun, Xin; Liu, Wenning; Stevenson, Jeffry W; Surdoval, Wayne; Khaleel, Mohammad A

    2013-07-16T23:59:59.000Z

    A surface modification to prevent oxide scale spallation is disclosed. The surface modification includes a ferritic stainless steel substrate having a modified surface. A cross-section of the modified surface exhibits a periodic morphology. The periodic morphology does not exceed a critical buckling length, which is equivalent to the length of a wave attribute observed in the cross section periodic morphology. The modified surface can be created using at least one of the following processes: shot peening, surface blasting and surface grinding. A coating can be applied to the modified surface.

  18. A Perceptual Study on Haptic Rendering of Surface Topography when Both Surface Height and Stiffness Vary

    E-Print Network [OSTI]

    Tan, Hong Z.

    A Perceptual Study on Haptic Rendering of Surface Topography when Both Surface Height and Stiffness of surface topography when both surface height and surface stiffness vary. Three psychophysical experiments of haptic virtual environments. 1 Introduction How do people perceive the surface topography1 of a virtual

  19. Surface layering of liquids: Is surface tension the dominant factor? Oleg Shpyrko,1

    E-Print Network [OSTI]

    Fukuto, Masafumi

    Surface layering of liquids: Is surface tension the dominant factor? Oleg Shpyrko,1 Masafumi Fukuto near a hard flat surface and at first it is tempt- ing to think that the large surface tension that the free surface of water, which has nearly the same surface tension as K, does not exhibit SL features

  20. PRA In Design: Increasing Confidence in Pre-operational Assessments of Risks (Results of a Joint NASA/ NRC Workshop)

    SciTech Connect (OSTI)

    Robert Youngblood

    2010-06-01T23:59:59.000Z

    In late 2009, the National Aeronautics and Space Administration (NASA) and the U.S. Nuclear Regulatory Commission (NRC) jointly organized a workshop to discuss technical issues associated with application of risk assessments to early phases of system design. The workshop, which was coordinated by the Idaho National Laboratory, involved invited presentations from a number of PRA experts in the aerospace and nuclear fields and subsequent discussion to address the following questions: (a) What technical issues limit decision-makers’ confidence in PRA results, especially at a preoperational phase of the system life cycle? (b) What is being done to address these issues? (c) What more can be done? The workshop resulted in participant observations and suggestions on several technical issues, including the pursuit of non-traditional approaches to risk assessment and the verification and validation of risk models. The workshop participants also identified several important non-technical issues, including risk communication with decision makers, and the integration of PRA into the overall design process.

  1. A Cryogenic Space Telescope for Far-Infrared Astrophysics: A Vision for NASA in the 2020 Decade

    E-Print Network [OSTI]

    Bradford, C M; Bolatto, A; Armus, L; Bauer, J; Appleton, P; Cooray, A; Casey, C; Dale, D; Uzgil, B; Aguirre, J; Smith, J D; Sheth, K; Murphy, E J; McKenney, C; Holmes, W; Rizzo, M; Bergin, E; Stacey, G

    2015-01-01T23:59:59.000Z

    Many of the transformative processes in the Universe have taken place in regions obscured by dust, and are best studied with far-IR spectroscopy. We present the Cryogenic-Aperture Large Infrared-Submillimeter Telescope Observatory (CALISTO), a 5-meter class, space-borne telescope actively cooled to 4 K, emphasizing moderate-resolution spectroscopy in the crucial 35 to 600 micron band. CALISTO will enable NASA and the world to study the rise of heavy elements in the Universe's first billion years, chart star formation and black hole growth in dust-obscured galaxies through cosmic time, and conduct a census of forming planetary systems in our region of the Galaxy. CALISTO will capitalize on rapid progress in both format and sensitivity of far-IR detectors. Arrays with a total count of a few 100,000 detector pixels will form the heart of a suite of imaging spectrometers in which each detector reaches the photon background limit. This document contains a large overview paper on CALISTO, as well as six 2-3 page sc...

  2. Beta particle monitor for surfaces

    DOE Patents [OSTI]

    MacArthur, D.W.

    1997-10-21T23:59:59.000Z

    A beta radiation detector which is capable of reliably detecting beta radiation emitted from a surface. An electrically conductive signal collector is adjustably mounted inside an electrically conductive enclosure which may define a single large opening for placing against a surface. The adjustable mounting of the electrically conductive signal collector can be based on the distance from the surface or on the expected beta energy range. A voltage source is connected to the signal collector through an electrometer or other display means for creating an electric field between the signal collector and the enclosure. Air ions created by the beta radiation are collected and the current produced is indicated on the electrometer or other display means. 2 figs.

  3. Beta particle monitor for surfaces

    DOE Patents [OSTI]

    MacArthur, Duncan W. (Los Alamos, NM)

    1997-01-01T23:59:59.000Z

    A beta radiation detector which is capable of reliably detecting beta radiation emitted from a surface. An electrically conductive signal collector is adjustably mounted inside an electrically conductive enclosure which may define a single large opening for placing against a surface. The adjustable mounting of the electrically conductive signal collector can be based on the distance from the surface or on the expected beta energy range. A voltage source is connected to the signal collector through an electrometer or other display means for creating an electric field between the signal collector and the enclosure. Air ions created by the beta radiation are collected and the current produced is indicated on the electrometer or other display means.

  4. Surface rheology and interface stability.

    SciTech Connect (OSTI)

    Yaklin, Melissa A.; Cote, Raymond O.; Moffat, Harry K.; Grillet, Anne Mary; Walker, Lynn; Koehler, Timothy P.; Reichert, Matthew D. (Carnegie Mellon University, Pittsburgh, PA); Castaneda, Jaime N.; Mondy, Lisa Ann; Brooks, Carlton, F.

    2010-11-01T23:59:59.000Z

    We have developed a mature laboratory at Sandia to measure interfacial rheology, using a combination of home-built, commercially available, and customized commercial tools. An Interfacial Shear Rheometer (KSV ISR-400) was modified and the software improved to increase sensitivity and reliability. Another shear rheometer, a TA Instruments AR-G2, was equipped with a du Nouey ring, bicone geometry, and a double wall ring. These interfacial attachments were compared to each other and to the ISR. The best results with the AR-G2 were obtained with the du Nouey ring. A Micro-Interfacial Rheometer (MIR) was developed in house to obtain the much higher sensitivity given by a smaller probe. However, it was found to be difficult to apply this technique for highly elastic surfaces. Interfaces also exhibit dilatational rheology when the interface changes area, such as occurs when bubbles grow or shrink. To measure this rheological response we developed a Surface Dilatational Rheometer (SDR), in which changes in surface tension with surface area are measured during the oscillation of the volume of a pendant drop or bubble. All instruments were tested with various surfactant solutions to determine the limitations of each. In addition, foaming capability and foam stability were tested and compared with the rheology data. It was found that there was no clear correlation of surface rheology with foaming/defoaming with different types of surfactants, but, within a family of surfactants, rheology could predict the foam stability. Diffusion of surfactants to the interface and the behavior of polyelectrolytes were two subjects studied with the new equipment. Finally, surface rheological terms were added to a finite element Navier-Stokes solver and preliminary testing of the code completed. Recommendations for improved implementation were given. When completed we plan to use the computations to better interpret the experimental data and account for the effects of the underlying bulk fluid.

  5. Polishing compound for plastic surfaces

    DOE Patents [OSTI]

    Stowell, M.S.

    1995-08-22T23:59:59.000Z

    A polishing compound for plastic surfaces is disclosed. The compound contains by weight approximately 4 to 17 parts at least one petroleum distillate lubricant, 1 to 6 parts mineral spirits, 2.5 to 15 parts abrasive particles, and 2.5 to 10 parts water. The abrasive is tripoli or a similar material that contains fine particles silica. Preferably, most of the abrasive particles are less than approximately 10 microns, more preferably less than approximately 5 microns in size. The compound is used on PLEXIGLAS{trademark}, LEXAN{trademark}, LUCITE{trademark}, polyvinyl chloride (PVC) and similar plastic materials whenever a smooth, clear polished surface is desired. 5 figs.

  6. Method of passivating semiconductor surfaces

    DOE Patents [OSTI]

    Wanlass, Mark W. (Golden, CO)

    1990-01-01T23:59:59.000Z

    A method of passivating Group III-V or II-VI semiconductor compound surfaces. The method includes selecting a passivating material having a lattice constant substantially mismatched to the lattice constant of the semiconductor compound. The passivating material is then grown as an ultrathin layer of passivating material on the surface of the Group III-V or II-VI semiconductor compound. The passivating material is grown to a thickness sufficient to maintain a coherent interface between the ultrathin passivating material and the semiconductor compound. In addition, a device formed from such method is also disclosed.

  7. Polishing compound for plastic surfaces

    DOE Patents [OSTI]

    Stowell, Michael S. (New Ellenton, SC)

    1995-01-01T23:59:59.000Z

    A polishing compound for plastic surfaces. The compound contains by weight approximately 4 to 17 parts at least one petroleum distillate lubricant, 1 to 6 parts mineral spirits, 2.5 to 15 parts abrasive particles, and 2.5 to 10 parts water. The abrasive is tripoli or a similar material that contains fine particles silica. Preferably, most of the abrasive particles are less than approximately 10 microns, more preferably less than approximately 5 microns in size. The compound is used on PLEXIGLAS.TM., LEXAN.TM., LUCITE.TM., polyvinyl chloride (PVC) and similar plastic materials whenever a smooth, clear polished surface is desired.

  8. Polishing compound for plastic surfaces

    DOE Patents [OSTI]

    Stowell, M.S.

    1993-01-01T23:59:59.000Z

    A polishing compound for plastic surfaces is disclosed. The compound contains by weight approximately 4 to 17 parts at least one petroleum distillate lubricant, 1 to 6 parts mineral spirits, 2.5 to 15 parts abrasive particles, and 2.5 to 10 parts water. The abrasive is tripoli or a similar material that contains colloidal silica. Preferably, most of the abrasive particles are less than approximately 10 microns, more preferably less than approximately 5 microns in size. The compound is used on PLEXIGLAS{sup TM}, LEXAN{sup TM}, LUCITE{sup TM}, polyvinyl chloride (PVC) and similar plastic materials whenever a smooth, clear polished surface is desired.

  9. Method of passivating semiconductor surfaces

    DOE Patents [OSTI]

    Wanlass, M.W.

    1990-06-19T23:59:59.000Z

    A method is described for passivating Group III-V or II-VI semiconductor compound surfaces. The method includes selecting a passivating material having a lattice constant substantially mismatched to the lattice constant of the semiconductor compound. The passivating material is then grown as an ultrathin layer of passivating material on the surface of the Group III-V or II-VI semiconductor compound. The passivating material is grown to a thickness sufficient to maintain a coherent interface between the ultrathin passivating material and the semiconductor compound. In addition, a device formed from such method is also disclosed.

  10. 1 (Grids_Overview.v.11.VG.fm, 4/14/00)wejohnston@lbl.gov, www.itg.lbl.gov/~wej LBNL and NASA Ames Research Center Computational, Data, and

    E-Print Network [OSTI]

    1 (Grids_Overview.v.11.VG.fm, 4/14/00)wejohnston@lbl.gov, www.itg.lbl.gov/~wej LBNL and NASA Ames@computer.org 2 (Grids_Overview.v.11.VG.fm, 4/14/00)wejohnston@lbl.gov, www.itg.lbl.gov/~wej LBNL and NASA Ames;3 (Grids_Overview.v.11.VG.fm, 4/14/00)wejohnston@lbl.gov, www.itg.lbl.gov/~wej LBNL and NASA Ames Research

  11. 1 (Grids_Overview.v.11.VG.fm, 4/14/00)wejohnston@lbl.gov, www.itg.lbl.gov/~wej LBNL and NASA Ames Research Center Computational, Data, and

    E-Print Network [OSTI]

    1 (Grids_Overview.v.11.VG.fm, 4/14/00)wejohnston@lbl.gov, www.itg.lbl.gov/~wej LBNL and NASA Ames@computer.org 2 (Grids_Overview.v.11.VG.fm, 4/14/00)wejohnston@lbl.gov, www.itg.lbl.gov/~wej LBNL and NASA Ames (Grids_Overview.v.11.VG.fm, 4/14/00)wejohnston@lbl.gov, www.itg.lbl.gov/~wej LBNL and NASA Ames Research

  12. 1 (Grids_Overview.v.11.VG.fm, 4/14/00)wejohnston@lbl.gov, www.itg.lbl.gov/~wej LBNL and NASA Ames Research Center Computational, Data, and

    E-Print Network [OSTI]

    1 (Grids_Overview.v.11.VG.fm, 4/14/00)wejohnston@lbl.gov, www.itg.lbl.gov/~wej LBNL and NASA Ames@computer.org #12;2 (Grids_Overview.v.11.VG.fm, 4/14/00)wejohnston@lbl.gov, www.itg.lbl.gov/~wej LBNL and NASA Ames;3 (Grids_Overview.v.11.VG.fm, 4/14/00)wejohnston@lbl.gov, www.itg.lbl.gov/~wej LBNL and NASA Ames Research

  13. NASA's Marshall Space Flight Center Saves Water With High-Efficiency Toilet and Urinal Program: Best Management Practice Case Study #6 - Toilets and Urinals (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2011-02-01T23:59:59.000Z

    The National Aeronautics and Space Administration's (NASA) Marshall Space Flight Center (MSFC) has a longstanding, successful sustainability program that focuses on energy and water efficiency as well as environmental protection. Because MSFC was built in the 1960s, most of the buildings house outdated, inefficient restroom fixtures. The facility engineering team at MSFC developed an innovative efficiency model for replacing these older toilets and urinals.

  14. Symmetry Energy in Nuclear Surface

    E-Print Network [OSTI]

    Pawel Danielewicz; Jenny Lee

    2008-12-25T23:59:59.000Z

    Interplay between the dependence of symmetry energy on density and the variation of nucleonic densities across nuclear surface is discussed. That interplay gives rise to the mass dependence of the symmetry coefficient in an energy formula. Charge symmetry of the nuclear interactions allows to introduce isoscalar and isovector densities that are approximately independent of the magnitude of neutron-proton asymmetry.

  15. Representing and Modifying Complex Surfaces

    E-Print Network [OSTI]

    Mohri, Mehryar

    . Bernardini. Sharp features on multiresolution subdivision surfaces. In 9th Pacific Conference on Com- puter-form solids. In Proceedings of ACM SIGGRAPH 2001, Computer Graphics Proceedings, Annual Conference Series SIGGRAPH 2000, Computer Graphics Proceedings, Annual Conference Series, pages 113­ 120. ACM Press / ACM

  16. General Session I Surface Multiplasmonics

    E-Print Network [OSTI]

    Lakhtakia, Akhlesh

    . Emerging applications of surface multiplasmonics include solar-energy harvesting as well as optical sensing design and verification of large-scale photonic integrated circuits. Importantly, the simulation approaches. We show that fully passive photonic circuits can be efficiently modeled in the frequency domain

  17. 5, 14691499, 2005 SCIAMACHY surface

    E-Print Network [OSTI]

    Boyer, Edmond

    , CO2 and CH4. In our retrieval aerosols are neglected. Using synthetic measurements, we show retrievals of other species, e.g. H2O, CO, CO2, CH4, in order obtain volume mixing ratios (Buch- witz et al models. Therefore, surface pressure retrievals and their validation provide important insight

  18. Second Harmonic Generation From Surfaces

    E-Print Network [OSTI]

    Botti, Silvana

    Second Harmonic Generation From Surfaces Nicolas Tancogne-Dejean, Valérie Véniard Condensed Matter/DSM European Theoretical Spectroscopy Facility #12;2 Outline Nonlinear optic and second harmonic generation;4 Second harmonic generation First nonlinear term Centrosymmetric material : (2) = 0 (3)First nonlinear

  19. TESTING AND PERFORMANCE ANALYSIS OF NASA 5 CM BY 5 CM BI-SUPPORTED SOLID OXIDE ELECTROLYSIS CELLS OPERATED IN BOTH FUEL CELL AND STEAM ELECTROLYSIS MODES

    SciTech Connect (OSTI)

    R. C. O'Brien; J. E. O'Brien; C. M. Stoots; X. Zhang; S. C. Farmer; T. L. Cable; J. A. Setlock

    2011-11-01T23:59:59.000Z

    A series of 5 cm by 5 cm bi-supported Solid Oxide Electrolysis Cells (SOEC) were produced by NASA for the Idaho National Laboratory (INL) and tested under the INL High Temperature Steam Electrolysis program. The results from the experimental demonstration of cell operation for both hydrogen production and operation as fuel cells is presented. An overview of the cell technology, test apparatus and performance analysis is also provided. The INL High Temperature Steam Electrolysis laboratory has developed significant test infrastructure in support of single cell and stack performance analyses. An overview of the single cell test apparatus is presented. The test data presented in this paper is representative of a first batch of NASA's prototypic 5 cm by 5 cm SOEC single cells. Clearly a significant relationship between the operational current density and cell degradation rate is evident. While the performance of these cells was lower than anticipated, in-house testing at NASA Glenn has yielded significantly higher performance and lower degradation rates with subsequent production batches of cells. Current post-test microstructure analyses of the cells tested at INL will be published in a future paper. Modification to cell compositions and cell reduction techniques will be altered in the next series of cells to be delivered to INL with the aim to decrease the cell degradation rate while allowing for higher operational current densities to be sustained. Results from the testing of new batches of single cells will be presented in a future paper.

  20. Biomass Surface Characterization Laboratory (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2012-04-01T23:59:59.000Z

    This fact sheet provides information about Biomass Surface Characterization Laboratory capabilities and applications at NREL.

  1. Influence of surface roughness on superhydrophobicity

    E-Print Network [OSTI]

    C. Yang; U. Tartaglino; B. N. J. Persson

    2006-09-30T23:59:59.000Z

    Superhydrophobic surfaces, with liquid contact angle theta greater than 150 degree, have important practical applications ranging from self-cleaning window glasses, paints, and fabrics to low-friction surfaces. Many biological surfaces, such as the lotus leaf, have hierarchically structured surface roughness which is optimized for superhydrophobicity through natural selection. Here we present a molecular dynamics study of liquid droplets in contact with self-affine fractal surfaces. Our results indicate that the contact angle for nanodroplets depends strongly on the root-mean-square surface roughness amplitude but is nearly independent of the fractal dimension D_f of the surface.

  2. A surface definition code for turbine blade surfaces

    SciTech Connect (OSTI)

    Yang, S.L. (Michigan Technological Univ., Houghton, MI (United States)); Oryang, D.; Ho, M.J. (Tuskegee Univ., AL (United States))

    1992-05-01T23:59:59.000Z

    A numerical interpolation scheme has been developed for generating the three-dimensional geometry of wind turbine blades. The numerical scheme consists of (1) creating the frame of the blade through the input of two or more airfoils at some specific spanwise stations and then scaling and twisting them according to the prescribed distributions of chord, thickness, and twist along the span of the blade; (2) transforming the physical coordinates of the blade frame into a computational domain that complies with the interpolation requirements; and finally (3) applying the bi-tension spline interpolation method, in the computational domain, to determine the coordinates of any point on the blade surface. Detailed descriptions of the overall approach to and philosophy of the code development are given along with the operation of the code. To show the usefulness of the bi-tension spline interpolation code developed, two examples are given, namely CARTER and MICON blade surface generation. Numerical results are presented in both graphic data forms. The solutions obtained in this work show that the computer code developed can be a powerful tool for generating the surface coordinates for any three-dimensional blade.

  3. Ultrasonic cleaning of interior surfaces

    DOE Patents [OSTI]

    Odell, D. MacKenzie C. (Aiken, SC)

    1996-01-01T23:59:59.000Z

    An ultrasonic cleaning method for cleaning the interior surfaces of tubes. The method uses an ultrasonic generator and reflector each coupled to opposing ends of the open-ended, fluid-filled tube. Fluid-tight couplings seal the reflector and generator to the tube, preventing leakage of fluid from the interior of the tube. The reflector and generator are operatively connected to actuators, whereby the distance between them can be varied. When the distance is changed, the frequency of the sound waves is simultaneously adjusted to maintain the resonant frequency of the tube so that a standing wave is formed in the tube, the nodes of which are moved axially to cause cavitation along the length of the tube. Cavitation maximizes mechanical disruption and agitation of the fluid, dislodging foreign material from the interior surface.

  4. Ultrasonic cleaning of interior surfaces

    DOE Patents [OSTI]

    Odell, D. MacKenzie C. (Aiken, SC)

    1994-01-01T23:59:59.000Z

    An ultrasonic cleaning apparatus for cleaning the interior surfaces of tubes. The apparatus includes an ultrasonic generator and reflector each coupled to opposing ends of the open-ended, fluid-filled tube. Fluid-tight couplings seal the reflector and generator to the tube, preventing leakage of fluid from the interior of the tube. The reflector and generator are operatively connected to actuators, whereby the distance between them can be varied. When the distance is changed, the frequency of the sound waves is simultaneously adjusted to maintain the resonant frequency of the tube so that a standing wave is formed in the tube, the nodes of which are moved axially to cause cavitation along the length of the tube. Cavitation maximizes mechanical disruption and agitation of the fluid, dislodging foreign material from the interior surface.

  5. Surface Correction to Landau Diamagnetism

    E-Print Network [OSTI]

    Allen, Roland E.

    1975-01-01T23:59:59.000Z

    states are the Landau orbitals, which are characterized by a wave vector k, and a quantum number n. There are AeB/2wc/s states with the same k, and n, and the same energy &?(ks)= (Ie/2m) k, + 2P, aB(n+ a), where A is the total area of both surfaces... to the susceptibility is y' :=(2/3)(pa/w )A [y(kw) -w/4], where y(k+) is the phase shift for k, = kF . Since iyi = w/4 and y(k F) & (y), the surface contributions to the magnetic susceptibility and electronic heat capacity are positive. s 1 sXg= ?3Xp~ (2) where X...

  6. Method for protecting a surface

    DOE Patents [OSTI]

    Branagan, Daniel J.

    2006-06-27T23:59:59.000Z

    The invention includes a method of producing a hard metallic material by forming a mixture containing at least 55% iron and at least one of B, C, Si and P. The mixture is formed into an alloy and cooled to form a metallic material having a hardness of greater than about 9.2 GPa. The invention includes a method of forming a wire by combining a metal strip and a powder. The strip and the powder are rolled to form a wire containing at least 55% iron and from 2–7 additional elements including at lease one of C, Si and B. The invention also includes a method of forming a hardened surface on a substrate by processing a solid mass to form a power, applying the powder to a surface to form a layer containing metallic glass, and converting the glass to a crystalline material having a nanocrystalline grain size.

  7. Ultrasonic cleaning of interior surfaces

    DOE Patents [OSTI]

    MacKenzie, D.; Odell, C.

    1994-03-01T23:59:59.000Z

    An ultrasonic cleaning apparatus is described for cleaning the interior surfaces of tubes. The apparatus includes an ultrasonic generator and reflector each coupled to opposing ends of the open-ended, fluid-filled tube. Fluid-tight couplings seal the reflector and generator to the tube, preventing leakage of fluid from the interior of the tube. The reflector and generator are operatively connected to actuators, whereby the distance between them can be varied. When the distance is changed, the frequency of the sound waves is simultaneously adjusted to maintain the resonant frequency of the tube so that a standing wave is formed in the tube, the nodes of which are moved axially to cause cavitation along the length of the tube. Cavitation maximizes mechanical disruption and agitation of the fluid, dislodging foreign material from the interior surface. 3 figures.

  8. Surface-mediated four-wave mixing of nanostructures with counterpropagating surface plasmon polaritons

    E-Print Network [OSTI]

    Potma, Eric Olaf

    Surface-mediated four-wave mixing of nanostructures with counterpropagating surface plasmon can be generated by the surface fields of traveling surface plasmon polariton modes. We have chosen evidence that the local field of loca- lized surface plasmons can boost the nonlinear optical signals from

  9. Effect of surface tension on swell-induced surface instability of substrate-confined hydrogel layers

    E-Print Network [OSTI]

    Huang, Rui

    , the physics of surface instability may be harnessed in the design of responsive ``smart'' surfaces for novel with Biot's periodic surface wave analysis. Several theoretical models have also been proposed for swelling due to inhomogeneous transient state of swelling.16,17 Second, the effect of surface energy or surface

  10. A splitting method for numerical simulation of free surface flows of incompressible fluids with surface tension

    E-Print Network [OSTI]

    Olshanskii, Maxim A.

    with surface tension Kirill D. Nikitin Maxim A. Olshanskii Kirill M. Terekhov Yuri V. Vassilevski§ Abstract to surface tension forces. The method splits one time step into a semi-Lagrangian treatment of the surface models a free surface flow of viscous incompressible fluid subject to surface tension forces. Further

  11. Backside configured surface plasmonic enhancement

    SciTech Connect (OSTI)

    Gu, Guiru; Lu, Xuejun, E-mail: xuejun-lu@uml.edu [Department of Electrical and Computer Engineering, University of Massachusetts Lowell, One University Avenue, Lowell, MA 01854 (United States); Vaillancourt, Jarrod [Applied NanoFemto Technologies, LLC, 181 Stedman St. 2, Lowell, MA 01851 (United States)

    2014-03-31T23:59:59.000Z

    In this work, we fabricated, measured and compared the quantum dots infrared photodetector enhancement by the top- and backside- configured plasmonic structures. The backside configured plasmonic structure can provide much higher device performance enhancement. Furthermore, the excitation of the surface plasmonic waves by the top- and backside- configured plasmonic structures was analyzed. Detailed simulation results of the electric field at different wavelength from top illumination and backside illumination were provided. The stronger electric field from the backside illumination attributed to the higher enhancement.

  12. Magnetic Bottles on Riemann Surfaces

    E-Print Network [OSTI]

    Gavriel Segre

    2011-01-17T23:59:59.000Z

    Yves Colin de Verdiere's quantization formalism of magnetic bottles on Riemann surfaces of non null genus is shown to be affected, owing to the Homotopy Superselection Rule, by the phenomenon of the existence of multiple inequivalent quantizations mathematically analogous to the phenomenon of the existence of multiple inequivalent prequantizations of a multiply-connected symplectic manifold in the framework of Souriau-Kostant's Geometric Quantization.

  13. 02/02 NASA JSC Astrobiology: Fingerprints of Life Searching for Life: Mars Critters 1 Mars Critters

    E-Print Network [OSTI]

    Waliser, Duane E.

    to handle the constant radiation on the surface of Mars. Also the dominant gas in the Mars atmosphere Destination: Mars. In groups or as individuals, students will use their knowledge of Mars and living organisms up various art supplies at each table for either individual work or small group work. This activity

  14. Surface abundances of ON stars

    E-Print Network [OSTI]

    Martins, F; Palacios, A; Howarth, I; Georgy, C; Walborn, N R; Bouret, J -C; Barba, R

    2015-01-01T23:59:59.000Z

    Massive stars burn hydrogen through the CNO cycle during most of their evolution. When mixing is efficient, or when mass transfer in binary systems happens, chemically processed material is observed at the surface of O and B stars. ON stars show stronger lines of nitrogen than morphologically normal counterparts. Whether this corresponds to the presence of material processed through the CNO cycle or not is not known. Our goal is to answer this question. We perform a spectroscopic analysis of a sample of ON stars with atmosphere models. We determine the fundamental parameters as well as the He, C, N, and O surface abundances. We also measure the projected rotational velocities. We compare the properties of the ON stars to those of normal O stars. We show that ON stars are usually helium-rich. Their CNO surface abundances are fully consistent with predictions of nucleosynthesis. ON stars are more chemically evolved and rotate - on average - faster than normal O stars. Evolutionary models including rotation cann...

  15. SURFACE GEOPHYSICAL EXPLORATION - COMPENDIUM DOCUMENT

    SciTech Connect (OSTI)

    RUCKER DF; MYERS DA

    2011-10-04T23:59:59.000Z

    This report documents the evolution of the surface geophysical exploration (SGE) program and highlights some of the most recent successes in imaging conductive targets related to past leaks within and around Hanford's tank farms. While it is noted that the SGE program consists of multiple geophysical techniques designed to (1) locate near surface infrastructure that may interfere with (2) subsurface plume mapping, the report will focus primarily on electrical resistivity acquisition and processing for plume mapping. Due to the interferences from the near surface piping network, tanks, fences, wells, etc., the results of the three-dimensional (3D) reconstruction of electrical resistivity was more representative of metal than the high ionic strength plumes. Since the first deployment, the focus of the SGE program has been to acquire and model the best electrical resistivity data that minimizes the influence of buried metal objects. Toward that goal, two significant advances have occurred: (1) using the infrastructure directly in the acquisition campaign and (2) placement of electrodes beneath the infrastructure. The direct use of infrastructure was successfully demonstrated at T farm by using wells as long electrodes (Rucker et al., 2010, 'Electrical-Resistivity Characterization of an Industrial Site Using Long Electrodes'). While the method was capable of finding targets related to past releases, a loss of vertical resolution was the trade-off. The burying of electrodes below the infrastructure helped to increase the vertical resolution, as long as a sufficient number of electrodes are available for the acquisition campaign.

  16. Surface wave chemical detector using optical radiation

    DOE Patents [OSTI]

    Thundat, Thomas G.; Warmack, Robert J.

    2007-07-17T23:59:59.000Z

    A surface wave chemical detector comprising at least one surface wave substrate, each of said substrates having a surface wave and at least one measurable surface wave parameter; means for exposing said surface wave substrate to an unknown sample of at least one chemical to be analyzed, said substrate adsorbing said at least one chemical to be sensed if present in said sample; a source of radiation for radiating said surface wave substrate with different wavelengths of said radiation, said surface wave parameter being changed by said adsorbing; and means for recording signals representative of said surface wave parameter of each of said surface wave substrates responsive to said radiation of said different wavelengths, measurable changes of said parameter due to adsorbing said chemical defining a unique signature of a detected chemical.

  17. NASA Enhanced Use Lease

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

    electricity from renewable energy sources that will reduce emissions contributing to air pollution and global climate change. C. FPL, serving as Florida's largest electric...

  18. NASA Heliophysics Theory Program

    E-Print Network [OSTI]

    Lotko, William

    system. More specifically, the effects of solar wind-magnetospheric dynamics on low-altitude energy, will be investigated via simulation of the 1) global multifluid-magnetohydrodynamics of the solar wind tubes; and 3) gyrokinetics of collisionless energization and transport in Alfvénic structures

  19. Sandia National Laboratories: NASA

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

    National Laboratories (partnering with Northrup Grumman Aerospace Systems and the University of Michigan) has developed a solar electric propulsion concept capable of a wide...

  20. Los Alamos, NASA

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHigh SchoolIn12electron 9 5LetLooking5invests inLos8, 2014 LosUnusual light

  1. Method of sputter etching a surface

    DOE Patents [OSTI]

    Henager, C.H. Jr.

    1984-02-14T23:59:59.000Z

    The surface of a target is textured by co-sputter etching the target surface with a seed material adjacent thereto, while the target surface is maintained at a pre-selected temperature. By pre-selecting the temperature of the surface while sputter etching, it is possible to predetermine the reflectance properties of the etched surface. The surface may be textured to absorb sunlight efficiently and have minimal emittance in the infrared region so as to be well-suited for use as a solar absorber for photothermal energy conversion. 4 figs.

  2. Method of sputter etching a surface

    DOE Patents [OSTI]

    Henager, Jr., Charles H. (Seattle, WA)

    1984-01-01T23:59:59.000Z

    The surface of a target is textured by co-sputter etching the target surface with a seed material adjacent thereto, while the target surface is maintained at a pre-selected temperature. By pre-selecting the temperature of the surface while sputter etching, it is possible to predetermine the reflectance properties of the etched surface. The surface may be textured to absorb sunlight efficiently and have minimal emittance in the infrared region so as to be well-suited for use as a solar absorber for photothermal energy conversion.

  3. Extensibility of the fission surface power (FSP) system from the moon to Mars

    SciTech Connect (OSTI)

    Poston, David Irvin [Los Alamos National Laboratory

    2011-01-28T23:59:59.000Z

    Fission reactors have great near-term potential to power human and robotic missions/outposts on the surface of the Moon and Mars (and potentially other planets, moons, and asteroids). The ability to provide a power-rich environment that is independent of solar intensity, nights, dust storms, etc., is of significant (perhaps enabling) importance to the further expansion of humans into our solar system. NASA's Reference Fission Surface Power (FSP) System is a 40 kWe system that has been primarily designed for lunar applications. This paper examines the extensibility of the FSP design and technology for potential missions on Mars. Possible impacts include the effects of changes in heat sink, gravity, day-night cycles, mission transit time, communication delay, and the chemistry of the regolith and atmosphere. One of the biggest impacts might be differences in the potential utilization of in-situ materials for shielding. Another major factor is that different missions will likely require different performance requirements, e.g. power, lifetime and mass. This paper concludes that the environmental differences between potential mission locations will not require significant changes in design and technologies, unless performance requirements for a specific mission are substantially different than those adopted for the FSP The primary basis for this conclusion is that the FSP has been designed with robust materials and design margins.

  4. Penn State's Center for Sports Surface ResearchPenn State's Center for Sports Surface ResearchPenn State's Center for Sports Surface ResearchPenn State's Center for Sports Surface Research Surface Temperature of Synthetic Turf

    E-Print Network [OSTI]

    Kaye, Jason P.

    Penn State's Center for Sports Surface Research Why do synthetic surfaces get hot? · Black crumb rubber Temperature of Synthetic Turf #12;Penn State's Center for Sports Surface ResearchPenn State's Center for Sports Surface ResearchPenn State's Center for Sports Surface Research How hot can synthetic turf get

  5. Investigations into Protein-Surface Interactions via Atomic Force Microscopy and Surface Plasmon Resonance

    E-Print Network [OSTI]

    Settle, Jenifer Kaye

    2012-08-31T23:59:59.000Z

    microscopy and surface plasmon resonance. Chapter one provides background information on protein surfaces interactions. Chapter 2 summarizes the techniques and surfaces utilized in the investigations in the following chapters. Chapter 3 provides background...

  6. RESEARCH ARTICLE Drag reduction using superhydrophobic sanded Teflon surfaces

    E-Print Network [OSTI]

    Rothstein, Jonathan

    RESEARCH ARTICLE Drag reduction using superhydrophobic sanded Teflon surfaces Dong Song · Robert J- phobic surfaces with random surface microstructure. These superhydrophobic surfaces were fabricated was found to produce the largest pressure drop reduction. 1 Introduction Superhydrophobic surfaces can

  7. Dropwise Condensation on Micro- and Nanostructured Surfaces

    E-Print Network [OSTI]

    Miljkovic, Nenad

    In this review we cover recent developments in the area of surface- enhanced dropwise condensation against the background of earlier work. The development of fabrication techniques to create surface structures at the micro- ...

  8. Rapid infrared heating of a surface

    DOE Patents [OSTI]

    Sikka, Vinod K. (Oak Ridge, TN); Blue, Craig A. (Concord, TN); Ohriner, Evan Keith (Knoxville, TN)

    2002-01-01T23:59:59.000Z

    High energy flux infrared heaters are used to treat an object having a surface section and a base section such that a desired characteristic of the surface section is physically, chemically, or phasically changed while the base section remains unchanged.

  9. Rapid infrared heating of a surface

    DOE Patents [OSTI]

    Sikka, Vinod K. (Oak Ridge, TN); Blue, Craig A. (Concord, TN); Ohriner, Evan Keith (Knoxville, TN)

    2001-01-01T23:59:59.000Z

    High energy flux infrared heaters are used to treat an object having a surface section and a base section such that a desired characteristic of the surface section is physically, chemically, or phasically changed while the base section remains unchanged.

  10. Detecting open surfaces in three dimensions

    E-Print Network [OSTI]

    Bose, Biswajit, 1981-

    2009-01-01T23:59:59.000Z

    We present a novel level-set method for representing and detecting open surfaces embedded in three-dimensional image volumes. Open surfaces are two-dimensional manifolds with a one-dimensional boundary lying within a ...

  11. The Metropolitan Surface Water Management Act (Minnesota)

    Broader source: Energy.gov [DOE]

    The Metropolitan Surface Water Management Act aims to protect, preserve, and use natural, surface, and groundwater storage and retention systems; identify and plan for means to improve and protect...

  12. Optimization of Single and Layered Surface Texturing

    E-Print Network [OSTI]

    Bair, Alethea S.

    2010-07-14T23:59:59.000Z

    foreshortening or compression of the texture marks, and surface depth through size variation from perspective projection. However, texture is generally under-used in the scientific visualization community. The benefits of using texture on single surfaces also...

  13. Contoured Surface Eddy Current Inspection System

    DOE Patents [OSTI]

    Batzinger, Thomas James (Burnt Hills, NY); Fulton, James Paul (Clifton Park, NY); Rose, Curtis Wayne (Mechanicville, NY); Perocchi, Lee Cranford (Schenectady, NY)

    2003-04-08T23:59:59.000Z

    Eddy current inspection of a contoured surface of a workpiece is performed by forming a backing piece of flexible, resiliently yieldable material with a contoured exterior surface conforming in shape to the workpiece contoured surface. The backing piece is preferably cast in place so as to conform to the workpiece contoured surface. A flexible eddy current array probe is attached to the contoured exterior surface of the backing piece such that the probe faces the contoured surface of the workpiece to be inspected when the backing piece is disposed adjacent to the workpiece. The backing piece is then expanded volumetrically by inserting at least one shim into a slot in the backing piece to provide sufficient contact pressure between the probe and the workpiece contoured surface to enable the inspection of the workpiece contoured surface to be performed.

  14. Surface phonons of III-V semiconductors

    E-Print Network [OSTI]

    Das, Pradip Kumar

    1994-01-01T23:59:59.000Z

    are the simplest of all semiconductor surfaces. Their atomic relaxations and electronic surface states are rather well understood. There have, however, been surprisingly few experimental studies of their vibrational properties, and ours in the first detailed...

  15. Condensation heat transfer on nanoengineered surfaces

    E-Print Network [OSTI]

    Paxson, Adam Taylor

    2011-01-01T23:59:59.000Z

    This thesis presents a series of three related studies with the aim of developing a surface that promotes robust dropwise condensation. Due to their remarkably low droplet adhesion, superhydrophobic surfaces were investigated ...

  16. Rapid infrared heating of a surface

    DOE Patents [OSTI]

    Sikka, Vinod K.; Blue, Craig A.; Ohriner, Evan Keith

    2003-12-23T23:59:59.000Z

    High energy flux infrared heaters are used to treat an object having a surface section and a base section such that a desired characteristic of the surface section is physically, chemically, or phasically changed while the base section remains unchanged.

  17. Anticorrelation between Surface and Subsurface Point Defects...

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

    between Surface and Subsurface Point Defects and the Impact on the Redox Chemistry of TiO2(110). Anticorrelation between Surface and Subsurface Point Defects and the...

  18. Complex curvilinear surfaces in composite materials

    E-Print Network [OSTI]

    Liao, Nancy Han, 1975-

    2001-01-01T23:59:59.000Z

    The thesis will propose a method of architectural design that applies the use of continuous and curvilinear surfaces. It will explore a method of engaging the continuous surface as an expression and response to t he dynamic ...

  19. Marangoni convection in droplets on superhydrophobic surfaces

    E-Print Network [OSTI]

    Tam, Daniel

    We consider a small droplet of water sitting on top of a heated superhydrophobic surface. A toroidal convection pattern develops in which fluid is observed to rise along the surface of the spherical droplet and to accelerate ...

  20. Surface-micromachined microfluidic devices

    DOE Patents [OSTI]

    Galambos, Paul C. (Albuquerque, NM); Okandan, Murat (Albuquerque, NM); Montague, Stephen (Albuquerque, NM); Smith, James H. (Redmond, WA); Paul, Phillip H. (Livermore, CA); Krygowski, Thomas W. (Cortlandt Manor, NY); Allen, James J. (Albuquerque, NM); Nichols, Christopher A. (Hauppauge, NY); Jakubczak, II, Jerome F. (Rio Rancho, NM)

    2003-01-01T23:59:59.000Z

    Microfluidic devices are disclosed which can be manufactured using surface-micromachining. These devices utilize an electroosmotic force or an electromagnetic field to generate a flow of a fluid in a microchannel that is lined, at least in part, with silicon nitride. Additional electrodes can be provided within or about the microchannel for separating particular constituents in the fluid during the flow based on charge state or magnetic moment. The fluid can also be pressurized in the channel. The present invention has many different applications including electrokinetic pumping, chemical and biochemical analysis (e.g. based on electrophoresis or chromatography), conducting chemical reactions on a microscopic scale, and forming hydraulic actuators.

  1. Method for measuring surface temperature

    DOE Patents [OSTI]

    Baker, Gary A. (Los Alamos, NM); Baker, Sheila N. (Los Alamos, NM); McCleskey, T. Mark (Los Alamos, NM)

    2009-07-28T23:59:59.000Z

    The present invention relates to a method for measuring a surface temperature using is a fluorescent temperature sensor or optical thermometer. The sensor includes a solution of 1,3-bis(1-pyrenyl)propane within a 1-butyl-1-1-methyl pyrrolidinium bis(trifluoromethylsulfonyl)imide ionic liquid solvent. The 1,3-bis(1-pyrenyl)propane remains unassociated when in the ground state while in solution. When subjected to UV light, an excited state is produced that exists in equilibrium with an excimer. The position of the equilibrium between the two excited states is temperature dependent.

  2. ARM - Lesson Plans: Surface Currents

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625govInstrumentstdmadap Documentation TDMADAP : XDC documentationBarrow, Alaska OutreachMakingPastSurface Currents

  3. Accelerated Aging of Roofing Surfaces

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny: The Future of1 AAccelerated aging of roofing surfaces Hugo Destaillats, Ph.D.

  4. Rubber friction on (apparently) smooth lubricated surfaces

    E-Print Network [OSTI]

    M. Mofidi; B. Prakash; B. N. J. Persson; O. Albohl

    2007-10-18T23:59:59.000Z

    We study rubber sliding friction on hard lubricated surfaces. We show that even if the hard surface appears smooth to the naked eye, it may exhibit short wavelength roughness, which may give the dominant contribution to rubber friction. That is, the observed sliding friction is mainly due to the viscoelastic deformations of the rubber by the substrate surface asperities. The presented results are of great importance for rubber sealing and other rubber applications involving (apparently) smooth surfaces.

  5. SURFACE PLASMON COUPLED SENSOR AND NANOLENS

    E-Print Network [OSTI]

    Ko, Hyungduk

    2010-07-14T23:59:59.000Z

    This dissertation consists of two topics. One is a "Multi-pass Fiber Optic Surface Plasmon Resonance Sensor (SPR)" and the other is a "Nano-metallic Surface Plasmon Lens." Since both topics involved surface plasmon, the title of this dissertation...

  6. Options for Affordable Fission Surface Power Systems

    SciTech Connect (OSTI)

    Houts, Mike; Gaddis, Steve; Porter, Ron; Van Dyke, Melissa; Martin, Jim; Godfroy, Tom; Bragg-Sitton, Shannon; Garber, Anne; Pearson, Boise [NASA Marshall Space Flight Center, VP31, MSFC, AL 35812 (United States)

    2006-07-01T23:59:59.000Z

    Fission surface power systems could provide abundant power anywhere on the surface of the moon or Mars. Locations could include permanently shaded regions on the moon and high latitudes on Mars. To be fully utilized, however, fission surface power systems must be safe, have adequate performance, and be affordable. This paper discusses options for the design and development of such systems. (authors)

  7. Brain Surface Conformal Parameterization with Algebraic Functions

    E-Print Network [OSTI]

    Wang, Yalin

    Brain Surface Conformal Parameterization with Algebraic Functions Yalin Wang1,2 , Xianfeng Gu3 a brain surface to a multi-hole disk. The re- sulting parameterizations do not have any singularities of anatomical surfaces in MRI scans of the brain, in- cluding the hippocampi and the cerebral cortices

  8. Nanoscale Surface Topography to Guide Bone Growth

    E-Print Network [OSTI]

    Nanoscale Surface Topography to Guide Bone Growth P R O J E C T L E A D E R : Jirun Sun (American T S Designed and fabricated devices with nanoscale surface topography. Controlled cell alignment by varying the height and aspect ratio of the surface features. R E F E R E N C E Exploring cellular contact guidance

  9. TECHNICAL REPORT: MODEL SENSITIVITY TO SURFACE TOPOGRAPHY

    E-Print Network [OSTI]

    Forget, François

    TECHNICAL REPORT: MODEL SENSITIVITY TO SURFACE TOPOGRAPHY ESTEC Contract 11369/95/NL/JG S. R. Lewis and Consortium Topography . . . . . . . . . . . . . 7 3 Studies of Sensitivity to Surface Topography 9 3.1 Zonal with respect to the surface topography with particular emphasis on any differences which may be important

  10. 2, 413445, 2008 Surface inversion on

    E-Print Network [OSTI]

    Boyer, Edmond

    variations in surface flow velocity and topography along a flow line on ice streams and ice sheets of spatial variations in basal topography and basal slipperiness on surface data can be accurately separatedTCD 2, 413­445, 2008 Surface inversion on ice streams G. H. Gudmundsson and M. Raymond Title Page

  11. Polymer surface treatment with particle beams

    DOE Patents [OSTI]

    Stinnett, R.W.; VanDevender, J.P.

    1999-05-04T23:59:59.000Z

    A polymer surface and near surface treatment process produced by irradiation with high energy particle beams is disclosed. The process is preferably implemented with pulsed ion beams. The process alters the chemical and mechanical properties of the polymer surface in a manner useful for a wide range of commercial applications. 16 figs.

  12. Notes on Fridge Surfaces Laurel Swan

    E-Print Network [OSTI]

    Hunt, Galen

    a preliminary examination of refrigerator surfaces. The use and organiza- tion of items on fridge surfaces life, ethnography, interactive surfaces, refrigerators, magnets. ACM Classification Keywords H5.m, much talk has been bandied about concerning the importance of refrigerators in home life. Refrigerators

  13. Potential Energy Surfaces Donald G. Truhlar

    E-Print Network [OSTI]

    Truhlar, Donald G

    . Meyers (Academic Press, New York, 2001), Vol. 13, pages 9-17. httpPotential Energy Surfaces Donald G. Truhlar University of Minnesota I. Introduction II. Quantum Mechanical Basis for Adiabatic Potential Energy Surfaces III. Topology of Adiabatic Potential Energy Surfaces

  14. The Powercrust Algorithm for Surface Reconstruction

    E-Print Network [OSTI]

    Kazhdan, Michael

    details). Inside cells form polyhedral solid. Power Crust Boundary of solid approximates surface: power. Power Crust Robust: Always boundary of a solid. Simple: No surface extraction or hole-filling steps University of Texas at Austin Correctness · Boundary of a solid · Close to original surface · Homeomorphic

  15. 3, 18091850, 2006 groundwater-surface

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    HESSD 3, 1809­1850, 2006 Measuring groundwater-surface water interactions: a review E. Kalbus et al System Sciences Measuring methods for groundwater, surface water and their interactions: a review E;HESSD 3, 1809­1850, 2006 Measuring groundwater-surface water interactions: a review E. Kalbus et al

  16. Method for decontamination of radioactive metal surfaces

    DOE Patents [OSTI]

    Bray, L.A.

    1996-08-13T23:59:59.000Z

    Disclosed is a method for removing radioactive contaminants from metal surfaces by applying steam containing an inorganic acid and cerium IV. Cerium IV is applied to contaminated metal surfaces by introducing cerium IV in solution into a steam spray directed at contaminated metal surfaces. Cerium IV solution is converted to an essentially atomized or vapor phase by the steam.

  17. Innovative Laser Ablation Technology for Surface Decontamination

    SciTech Connect (OSTI)

    Chen, Winston C. H.

    2003-06-01T23:59:59.000Z

    The objective of this project is to develop a novel laser ablation in liquid for surface decontamination. It aims to achieve more efficient surface decontamination without secondary contamination. Another aim is to make this surface decontamination technology becomes economically feasible for large scale decontamination.

  18. Surface and interfacial tensions of Hofmeister electrolytes

    E-Print Network [OSTI]

    Levin, Yan

    Surface and interfacial tensions of Hofmeister electrolytes Alexandre P. dos Santos and Yan Levin to account quantitatively for the surface and interfacial tensions of different electrolyte solutions can also be used to calculate the surface and the interfacial tensions of acid solutions, predicting

  19. Method for decontamination of radioactive metal surfaces

    DOE Patents [OSTI]

    Bray, Lane A. (Richland, WA)

    1996-01-01T23:59:59.000Z

    Disclosed is a method for removing radioactive contaminants from metal surfaces by applying steam containing an inorganic acid and cerium IV. Cerium IV is applied to contaminated metal surfaces by introducing cerium IV in solution into a steam spray directed at contaminated metal surfaces. Cerium IV solution is converted to an essentially atomized or vapor phase by the steam.

  20. Reduction of Glass Surface Reflectance by Ion Beam Surface Modification

    SciTech Connect (OSTI)

    Mark Spitzer

    2011-03-11T23:59:59.000Z

    This is the final report for DOE contract DE-EE0000590. The purpose of this work was to determine the feasibility of the reduction of the reflection from the front of solar photovoltaic modules. Reflection accounts for a power loss of approximately 4%. A solar module having an area of one square meter with an energy conversion efficiency of 18% generates approximately 180 watts. If reflection loss can be eliminated, the power output can be increased to 187 watts. Since conventional thin-film anti-reflection coatings do not have sufficient environmental stability, we investigated the feasibility of ion beam modification of the glass surface to obtain reduction of reflectance. Our findings are generally applicable to all solar modules that use glass encapsulation, as well as commercial float glass used in windows and other applications. Ion implantation of argon, fluorine, and xenon into commercial low-iron soda lime float glass, standard float glass, and borosilicate glass was studied by implantation, annealing, and measurement of reflectance. The three ions all affected reflectance. The most significant change was obtained by argon implantation into both low-iron and standard soda-lime glass. In this way samples were formed with reflectance lower than can be obtained with a single-layer coatings of magnesium fluoride. Integrated reflectance was reduced from 4% to 1% in low-iron soda lime glass typical of the glass used in solar modules. The reduction of reflectance of borosilicate glass was not as large; however borosilicate glass is not typically used in flat plate solar modules. Unlike conventional semiconductor ion implantation doping, glass reflectance reduction was found to be tolerant to large variations in implant dose, meaning that the process does not require high dopant uniformity. Additionally, glass implantation does not require mass analysis. Simple, high current ion implantation equipment can be developed for this process; however, before the process can be employed on full scale solar modules, equipment must be developed for ion implanting large sheets of glass. A cost analysis shows that the process can be economical. Our finding is that the reduction of reflectance by ion beam surface modification is technically and economically feasible. The public will benefit directly from this work by the improvement of photovoltaic module efficiency, and indirectly by the greater understanding of the modification of glass surfaces by ion beams.

  1. Surface-induced charge at the Ge (001) surface and its interaction with self-interstitials

    SciTech Connect (OSTI)

    Kamiyama, Eiji; Sueoka, Koji [Department of Communication Engineering, Okayama Prefectural University, 111 Kuboki, Soja-shi, Okayama-ken 719-1197 (Japan); Vanhellemont, Jan [Department of Solid State Sciences, Ghent University, B-9000 Gent (Belgium)

    2014-02-21T23:59:59.000Z

    The Ge (001) surface with dimer structure, is negatively charged while into the bulk, positive charges are observed even deeper than the fifteenth layer from the surface. This is different from the Si case. This charge distribution can lead to the repulsion of positively charged self-interstitials by the positively charged near surface layer in an implantation or irradiation process. Self-interstitial reflection by Ge surfaces had been proposed to explain the results of diffusion experiments during irradiation whereby positively charged self-interstitials are generated by collisions of highly energetic particles with Ge atoms. We investigated different Ge (001) surface comparing an as-cleaved surface with dangling bonds to a surface with dimer structure, and to a surface terminated by hydrogen atoms. The effect of these different surface terminations on the surface-induced charges in the near surface bulk were calculated by ab initio techniques.

  2. Rubber friction on smooth surfaces

    E-Print Network [OSTI]

    B. N. J. Persson; A. I. Volokitin

    2006-07-04T23:59:59.000Z

    We study the sliding friction for viscoelastic solids, e.g., rubber, on hard flat substrate surfaces. We consider first the fluctuating shear stress inside a viscoelastic solid which results from the thermal motion of the atoms or molecules in the solid. At the nanoscale the thermal fluctuations are very strong and give rise to stress fluctuations in the MPa-range, which is similar to the depinning stresses which typically occur at solid-rubber interfaces, indicating the crucial importance of thermal fluctuations for rubber friction on smooth surfaces. We develop a detailed model which takes into account the influence of thermal fluctuations on the depinning of small contact patches (stress domains) at the rubber-substrate interface. The theory predicts that the velocity dependence of the macroscopic shear stress has a bell-shaped f orm, and that the low-velocity side exhibits the same temperature dependence as the bulk viscoelastic modulus, in qualitative agreement with experimental data. Finally, we discuss the influence of small-amplitude substrate roughness on rubber sliding friction.

  3. Surface-Micromachined Microfluidic Devices

    DOE Patents [OSTI]

    Galambos, Paul C. (Albuquerque, NM); Okandan, Murat (Albuquerque, NM); Montague, Stephen (Albuquerque, NM); Smith, James H. (Redmond, WA); Paul, Phillip H. (Livermore, CA); Krygowski, Thomas W. (Coutlandt Manor, NY); Allen, James J. (Albuquerque, NM); Nichols, Christopher A. (Hauppauge, NY); Jakubczak, II, Jerome F. (Rio Rancho, NM)

    2004-09-28T23:59:59.000Z

    Microfluidic devices are disclosed which can be manufactured using surface-micromachining. These devices utilize an electroosmotic force or an electromagnetic field to generate a flow of a fluid in a microchannel that is lined, at least in part, with silicon nitride. Additional electrodes can be provided within or about the microchannel for separating particular constituents in the fluid during the flow based on charge state or magnetic moment. The fluid can also be pressurized in the channel. The present invention has many different applications including electrokinetic pumping, chemical and biochemical analysis (e.g. based on electrophoresis or chromatography), conducting chemical reactions on a microscopic scale, and forming hydraulic actuators. Microfluidic devices are disclosed which can be manufactured using surface-micromachining. These devices utilize an electroosmotic force or an electromagnetic field to generate a flow of a fluid in a microchannel that is lined, at least in part, with silicon nitride. Additional electrodes can be provided within or about the microchannel for separating particular constituents in the fluid during the flow based on charge state or magnetic moment. The fluid can also be pressurized in the channel. The present invention has many different applications including electrokinetic pumping, chemical and biochemical analysis (e.g. based on electrophoresis or chromatography), conducting chemical reactions on a microscopic scale, and forming hydraulic actuators.

  4. Nanostructured surfaces for microfluidics and sensing applications.

    SciTech Connect (OSTI)

    Picraux, Samuel Thomas (Arizona State University); Piech, Marcin (United Technologies Corp.); Schneider, John F.; Vail, Sean (Arizona State University); Hayes, Mark A. (Arizona State University); Garcia, Anthony A.; Bell, Nelson Simmons; Gust, D (Arizona State University); Yang, Dongqing (Arizona State University)

    2007-01-01T23:59:59.000Z

    The present work demonstrates the use of light to move liquids on a photoresponsive monolayer, providing a new method for delivering analyses in lab-on-chip environments for microfluidic systems. The light-driven motion of liquids was achieved on photoresponsive azobenzene modified surfaces. The surface energy components of azobenzene modified surfaces were calculated by Van Oss theory. The motion of the liquid was achieved by generation of a surface tension gradient by isomerization of azobenzene monolayers using UV and Visible light, thereby establishing a surface energy heterogeneity on the edge of the droplet. Contact angle measurements of various solvents were used to demonstrate the requirement for fluid motion.

  5. Acoustic microscope surface inspection system and method

    DOE Patents [OSTI]

    Khuri-Yakub, B.T.; Parent, P.; Reinholdtsen, P.A.

    1991-02-26T23:59:59.000Z

    An acoustic microscope surface inspection system and method are described in which pulses of high frequency electrical energy are applied to a transducer which forms and focuses acoustic energy onto a selected location on the surface of an object and receives energy from the location and generates electrical pulses. The phase of the high frequency electrical signal pulses are stepped with respect to the phase of a reference signal at said location. An output signal is generated which is indicative of the surface of said selected location. The object is scanned to provide output signals representative of the surface at a plurality of surface locations. 7 figures.

  6. Mitigation of radiation induced surface contamination

    DOE Patents [OSTI]

    Klebanoff, Leonard E. (Dublin, CA); Stulen, Richard H. (Livermore, CA)

    2003-01-01T23:59:59.000Z

    A process for mitigating or eliminating contamination and/or degradation of surfaces having common, adventitious atmospheric contaminants adsorbed thereon and exposed to radiation. A gas or a mixture of gases is introduced into the environment of a surface(s) to be protected. The choice of the gaseous species to be introduced (typically a hydrocarbon gas, water vapor, or oxygen or mixtures thereof) is dependent upon the contaminant as well as the ability of the gaseous species to bind to the surface to be protected. When the surface and associated bound species are exposed to radiation reactive species are formed that react with surface contaminants such as carbon or oxide films to form volatile products (e.g., CO, CO.sub.2) which desorb from the surface.

  7. Nonlinear optical techniques for surface studies. [Monolayers

    SciTech Connect (OSTI)

    Shen, Y.R.

    1981-09-01T23:59:59.000Z

    Recent effort in developing nonlinear optical techniques for surface studies is reviewed. Emphasis is on monolayer detection of adsorbed molecules on surfaces. It is shown that surface coherent antiStokes Raman scattering (CARS) with picosecond pulses has the sensitivity of detecting submonolayer of molecules. On the other hand, second harmonic or sum-frequency generation is also sensitive enough to detect molecular monolayers. Surface-enhanced nonlinear optical effects on some rough metal surfaces have been observed. This facilitates the detection of molecular monolayers on such surfaces, and makes the study of molecular adsorption at a liquid-metal interface feasible. Advantages and disadvantages of the nonlinear optical techniques for surface studies are discussed.

  8. Surface plasmon routing in dielectric-loaded surface plasmon polariton waveguides

    E-Print Network [OSTI]

    Grandidier, Jonathan

    Surface plasmon routing in dielectric-loaded surface plasmon polariton waveguides J. Grandidier, S ABSTRACT Waveguiding by dielectric-loaded surface plasmon-polaritons (DLSPP) structures are numerically waveguide parameters such as width and thickness on the properties of the surface plasmon guided modes

  9. Investigation of surface endothelialization on biomedical nitinol (NiTi) alloy: Effects of surface micropatterning combined

    E-Print Network [OSTI]

    Lee, James

    Investigation of surface endothelialization on biomedical nitinol (NiTi) alloy: Effects of surface and Aerospace Engineering, University of Missouri, Columbia, MO 65211, USA c Department of Physics and Astronomy alloy surfaces was systematically investigated. Our study focuses on elucidating the effects of surface

  10. Surface Contamination Surface contamination from radioactive isotopes is a source of background in the Borex-

    E-Print Network [OSTI]

    Chapter 5 Surface Contamination Surface contamination from radioactive isotopes is a source of background in the Borex- ino detector. Surface contaminants can be in the form of macroscopic dust particles contamination is primarily a problem because the radioactive contaminants can be trans- ferred from the surfaces

  11. Surface Adsorption Isotherms and Surface Excess Densities of n-Butane in Silicalite-1

    E-Print Network [OSTI]

    Kjelstrup, Signe

    Surface Adsorption Isotherms and Surface Excess Densities of n-Butane in Silicalite-1 Isabella 27, 2008. ReVised Manuscript ReceiVed NoVember 13, 2008 We present isotherms for the adsorption of n were considered: a flat surface having only one adsorption site and a surface with a zigzag texture

  12. Surface Science Letters Surface vibrations of a highly ordered low-density alkanethiol

    E-Print Network [OSTI]

    Sibener, Steven

    ; Surface structure, morphology, roughness, and topography; Vibrations of adsorbed molecules; Gold; LowSurface Science Letters Surface vibrations of a highly ordered low-density alkanethiol monolayer-energy surface vibrational structure of the 11:5 Â p 3 striped phase of 1-decanethiol (C10H21SH) chemi- sorbed

  13. Temperature dependence of the surface free energy and surface stress: An atomistic calculation for Cu(110)

    E-Print Network [OSTI]

    Mishin, Yuri

    Temperature dependence of the surface free energy and surface stress: An atomistic calculation a method to deduce the free energies and stresses of plane surfaces and solid-liquid interfaces work on anisotropy of surface/interface free energies and stresses, and on the extension of this method

  14. JET SCHEMES OF TORIC SURFACES ESPACES DE JETS DES SURFACES TORIQUES

    E-Print Network [OSTI]

    Favre, Charles - Institut de Mathématiques de Jussieu, Université Paris 7

    JET SCHEMES OF TORIC SURFACES ESPACES DE JETS DES SURFACES TORIQUES HUSSEIN MOURTADA Abstract. For m N, m 1, we determine the irreducible components of the m - th jet scheme of a toric surface S irr´eductibles des m-espaces des jets d'une surface torique S. Pour m assez grand, on relie le nombre

  15. Dyadic Green's functions and guided surface waves for a surface conductivity model of graphene

    E-Print Network [OSTI]

    Hanson, George

    Dyadic Green's functions and guided surface waves for a surface conductivity model of graphene current in the presence of a surface conductivity model of graphene. The graphene is represented and transmission is presented, and surface wave propagation along graphene is studied via the poles

  16. Stationary free surface viscous ows without surface tension in three dimensions

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Stationary free surface viscous ows without surface tension in three dimensions Frederic Abergel owing down a three dimensional channel. In the absence of surface tension, we prove the existence is not elliptic when surface tension is neglected. Hence, analysis such as that made in [4] or [17] fails

  17. Surface layering of liquids: The role of surface tension Oleg Shpyrko,1

    E-Print Network [OSTI]

    Ocko, Ben

    Surface layering of liquids: The role of surface tension Oleg Shpyrko,1 Masafumi Fukuto,1 Peter and alloys are always layered, regardless of composition and surface tension; a result supported by three, for the liquid-vapor interface it is tempting to think that the large surface tension of liquid metals such as Hg

  18. Implicit Surface Tension Formulation with a Lagrangian Surface mesh on an Eulerian Simulation Grid

    E-Print Network [OSTI]

    Thrun, Sebastian

    Implicit Surface Tension Formulation with a Lagrangian Surface mesh on an Eulerian Simulation Grid framework for forces on a Lagrangian mesh to the case of surface tension force, which when treated explicitly leads to a tight t = O(x3/2 ) time step restriction. By applying surface tension as an implicit

  19. Henry's law, surface tension, and surface adsorption in dilute binary mixtures

    E-Print Network [OSTI]

    Henry's law, surface tension, and surface adsorption in dilute binary mixtures Akira Onukia. The solute partitioning between gas and liquid Henry's law and the surface tension change are discussed fraction X and the temperature-derivative / T cx,p of the surface tension at fixed pressure p

  20. Semi-implicit surface tension formulation with a Lagrangian surface mesh on an Eulerian simulation grid

    E-Print Network [OSTI]

    Frey, Pascal

    Semi-implicit surface tension formulation with a Lagrangian surface mesh on an Eulerian simulation mesh to the case of a surface tension force, which when treated explicitly leads to a tight time step restriction. By applying surface tension as a semi-implicit Lagrangian force, the resulting method benefits

  1. Stationary free surface viscous flows without surface tension in three dimensions

    E-Print Network [OSTI]

    Boyer, Edmond

    Stationary free surface viscous flows without surface tension in three dimensions Frederic Abergel dimensional channel. In the absence of surface tension, we prove the existence of a unique stationary solution is not elliptic when surface tension is neglected. Hence, analysis such as that made in [4] or [17] fails

  2. Surface tensions and surface potentials of acid solutions Alexandre P. dos Santos and Yan Levina

    E-Print Network [OSTI]

    Levin, Yan

    Surface tensions and surface potentials of acid solutions Alexandre P. dos Santos and Yan Levina October 2010 A theory is presented which allows us to quantitatively calculate the excess surface tension is quantitatively accurate for surface tensions and is qualitative for electrostatic potential difference across

  3. Bedmap2: improved ice bed, surface and thickness datasets for Antarctica

    E-Print Network [OSTI]

    2013-01-01T23:59:59.000Z

    Antarctica (MOA) image map: Digital media, National Snow andmodel of Antarctica: Digital media, National Snow and IceThickness, 2009–2011: Digital media, NASA Distributed Active

  4. Polishing compound for plastic surfaces

    DOE Patents [OSTI]

    Stowell, M.S.

    1991-01-01T23:59:59.000Z

    This invention is comprised of a polishing compound for plastic materials. The compound includes approximately by approximately by weight 25 to 80 parts at least one petroleum distillate lubricant, 1 to 12 parts mineral spirits, 50 to 155 parts abrasive paste, and 15 to 60 parts water. Preferably, the compound includes approximately 37 to 42 parts at least one petroleum distillate lubricant, up to 8 parts mineral spirits, 95 to 110 parts abrasive paste, and 50 to 55 parts water. The proportions of the ingredients are varied in accordance with the particular application. The compound is used on PLEXIGLAS{trademark}, LEXAN{trademark}, LUCITE{trademark}, polyvinyl chloride (PVC), and similar plastic materials whenever a smooth, clear polished surface is desired.

  5. Rulison Site Surface Closure Report

    SciTech Connect (OSTI)

    NONE

    1998-07-01T23:59:59.000Z

    This Closure Report provides documentation for closure of the Rulison Site surface and summarizes the data from groundwater monitoring conducted quarterly in 1996 and 1997. The quarterly groundwater monitoring was conducted to demonstrate that no contaminants are migrating from the pond after completion of the pond remediation activities. The Rulison Site is located in the North 1/2 of the Southwest 1/4 of Section 25, Township 7 South, Range 95 West of the 6` Principal Meridian, Garfield County, Colorado, approximately 19 kilometers (km) (12 miles [mi]) southwest of Rifle, Colorado, and approximately 65 km (40 mi) northeast of Grand Junction, Colorado (Figure I - 1). The site is situated on the north slope of Battlement Mesa on the upper reaches of Battlement Creek at an elevation of approximately 2,500 meters (m) (8,200 feet [ft]). The valley is open to the north-northwest and is bounded on the other three sides by steep mountain slopes that rise to elevations above 2,927 m (9,600 ft). Project Rulison was a joint U.S. Atomic Energy Commission (AEC) and Austral Oil Company (Austral) experiment. It was conducted under the AEC`s Plowshare Program to evaluate the feasibility of using a nuclear device to stimulate natural gas production in low- permeability, gas-producing geologic formations. The experiment consisted of detonating a 40-kiloton nuclear device at a depth of 2, 568 m (8,426 ft) below ground surface on September 10, 1969, followed by natural gas production testing in 1970 and 1971 (AEC, 1973).

  6. Combining NASA/JPL One-Way Optical-Fiber Light-Speed Data with Spacecraft Earth-Flyby Doppler-Shift Data to Characterise 3-Space Flow

    E-Print Network [OSTI]

    Reginald T Cahill

    2009-07-22T23:59:59.000Z

    We combine data from two high precision NASA/JPL experiments: (i) the one-way speed of light experiment using optical fibers: Krisher T.P., Maleki L., Lutes G.F., Primas L.E., Logan R.T., Anderson J.D. and Will C.M., Phys. Rev. D, vol 42, 731-734, 1990, and (ii) the spacecraft earth-flyby doppler shift data: Anderson J.D., Campbell J.K., Ekelund J.E., Ellis J. and Jordan J.F., Phys. Rev. Lett., vol 100, 091102, 2008, to give the solar-system galactic 3-space average speed of 486km/s in the direction RA=4.29hrs, Dec=-75.0deg. Turbulence effects (gravitational waves) are also evident. Data also reveals the 30km/s orbital speed of the earth and the sun inflow component at 1AU of 42km/s and also 615km/s near the sun, and for the first time, experimental measurement of the 3-space 11.2km/s inflow of the earth. The NASA/JPL data is in remarkable agreement with that determined in other light speed anisotropy experiments, such as Michelson-Morley (1887), Miller (1933), Torr and Kolen (1981), DeWitte (1991), Cahill (2006), Munera (2007), Cahill and Stokes (2008) and Cahill (2009).

  7. Combining NASA/JPL One-Way Optical-Fiber Light-Speed Data with Spacecraft Earth-Flyby Doppler-Shift Data to Characterise 3-Space Flow

    E-Print Network [OSTI]

    Cahill, Reginald T

    2009-01-01T23:59:59.000Z

    We combine data from two high precision NASA/JPL experiments: (i) the one-way speed of light experiment using optical fibers: Krisher T.P., Maleki L., Lutes G.F., Primas L.E., Logan R.T., Anderson J.D. and Will C.M., Phys. Rev. D, vol 42, 731-734, 1990, and (ii) the spacecraft earth-flyby doppler shift data: Anderson J.D., Campbell J.K., Ekelund J.E., Ellis J. and Jordan J.F., Phys. Rev. Lett., vol 100, 091102, 2008, to give the solar-system galactic 3-space average speed of 486km/s in the direction RA=4.29hrs, Dec=-75.0deg. Turbulence effects (gravitational waves) are also evident. Data also reveals the 30km/s orbital speed of the earth and the sun inflow component at 1AU of 42km/s and also 615km/s near the sun, and for the first time, experimental measurement of the 3-space 11.2km/s inflow of the earth. The NASA/JPL data is in remarkable agreement with that determined in other light speed anisotropy experiments, such as Michelson-Morley (1887), Miller (1933), DeWitte (1991), Torr and Kolen (1981), Cahill (2...

  8. Automated position control of a surface array relative to a liquid microjunction surface sampler

    DOE Patents [OSTI]

    Van Berkel, Gary J. (Clinton, TN); Kertesz, Vilmos (Knoxville, TN); Ford, Michael James (Little Rock, AR)

    2007-11-13T23:59:59.000Z

    A system and method utilizes an image analysis approach for controlling the probe-to-surface distance of a liquid junction-based surface sampling system for use with mass spectrometric detection. Such an approach enables a hands-free formation of the liquid microjunction used to sample solution composition from the surface and for re-optimization, as necessary, of the microjunction thickness during a surface scan to achieve a fully automated surface sampling system.

  9. Stable surface passivation process for compound semiconductors

    DOE Patents [OSTI]

    Ashby, Carol I. H. (Edgewood, NM)

    2001-01-01T23:59:59.000Z

    A passivation process for a previously sulfided, selenided or tellurated III-V compound semiconductor surface. The concentration of undesired mid-gap surface states on a compound semiconductor surface is reduced by the formation of a near-monolayer of metal-(sulfur and/or selenium and/or tellurium)-semiconductor that is effective for long term passivation of the underlying semiconductor surface. Starting with the III-V compound semiconductor surface, any oxidation present thereon is substantially removed and the surface is then treated with sulfur, selenium or tellurium to form a near-monolayer of chalcogen-semiconductor of the surface in an oxygen-free atmosphere. This chalcogenated surface is then contacted with a solution of a metal that will form a low solubility chalcogenide to form a near-monolayer of metal-chalcogen-semiconductor. The resulting passivating layer provides long term protection for the underlying surface at or above the level achieved by a freshly chalcogenated compound semiconductor surface in an oxygen free atmosphere.

  10. Controlling ice nucleation through surface hydrophilicity

    E-Print Network [OSTI]

    Stephen J. Cox; Shawn M. Kathmann; Ben Slater; Angelos Michaelides

    2015-01-08T23:59:59.000Z

    Ice formation is one of the most common and important processes on Earth and almost always occurs at the surface of a material. A basic understanding of how the physiochemical properties of a material's surface affects its ability to form ice has remained elusive. Here we use molecular dynamics simulations to directly probe heterogeneous ice nucleation at an hexagonal surface of a nanoparticle of varying hydrophilicity. Surprisingly, we find that structurally identical surfaces can both inhibit and promote ice formation and analogous to a chemical catalyst, it is found that an optimal interaction between the surface and the water exists for promoting ice nucleation. We use our microscopic understanding of the mechanism to design a modified surface in silico with enhanced ice nucleating ability.

  11. Electropositive surface layer MPD thruster cathodes

    SciTech Connect (OSTI)

    Chamberlain, F.R.; Kelly, A.J.; Jahn, R.G.

    1989-01-01T23:59:59.000Z

    Lithium and barium oxide have been used to generate electropositive surface layers on tungsten cathodes in low power steady state MPD thruster experiments. The electropositive surface layer decreases the cathode work function, resulting in substantial reductions in the steady state cathode operating temperature and erosion rate. Cathode temperature is reduced by 300 degrees with a lithium surface layer and by 800 degrees with a barium oxide surface layer at a 500 ampere thruster current level. These temperature reductions substantially reduce the calculated steady state evaporative erosion rate of the cathode by factors of 20 and 10,000 respectively. Cold cathode startup erosion is also reduced dramatically. The surface melting and arc cratering that is characteristic of pure tungsten cathodes does not occur with an electropositive surface layer cathode. In addition to reducing cathode erosion, the use of these materials increases thruster efficiency. 12 refs.

  12. LASER CLEANING OF CONTAMINATED PAINTED SURFACES

    SciTech Connect (OSTI)

    Ames A. Grisanti; Charlene R. Crocker; Robert R. Jensen

    1999-11-19T23:59:59.000Z

    Several techniques are available or under development for surface decontamination in nuclear facilities. Each technique has its merits; however, none of them is universally the best choice for all surface decontamination applications. Because of the multitude of factors which influence the environmental and economic aspects of selecting a surface decontamination technique, it is difficult to select the best method in a given situation; an objective basis for comparing techniques is needed. The objective of this project was to develop a software tool for use by personnel selecting a surface decontamination technique. The software incorporates performance data for available surface decontamination techniques. The beta release version of the Surface Decontamination Assistant Software has been completed and has undergone testing at the Energy and Environmental Research Center. Minor modifications to the software were completed, and a final release version of the software is ready to be issued.

  13. Explosives screening on a vehicle surface

    DOE Patents [OSTI]

    Parmeter, John E.; Brusseau, Charles A.; Davis, Jerry D.; Linker, Kevin L.; Hannum, David W.

    2005-02-01T23:59:59.000Z

    A system for detecting particles on the outer surface of a vehicle has a housing capable of being placed in a test position adjacent to, but not in contact with, a portion of the outer surface of the vehicle. An elongate sealing member is fastened to the housing along a perimeter surrounding the wall, and the elongate sealing member has a contact surface facing away from the wall to contact the outer surface of the vehicle to define a test volume when the wall is in the test position. A gas flow system has at least one gas inlet extending through the wall for providing a gas stream against the surface of the vehicle within the test volume. This gas stream, which preferably is air, dislodges particles from the surface of the vehicle covered by the housing. The gas stream exits the test volume through a gas outlet and particles in the stream are detected.

  14. Method for producing highly reflective metal surfaces

    DOE Patents [OSTI]

    Arnold, J.B.; Steger, P.J.; Wright, R.R.

    1982-03-04T23:59:59.000Z

    The invention is a novel method for producing mirror surfaces which are extremely smooth and which have high optical reflectivity. The method includes depositing, by electrolysis, an amorphous layer of nickel on an article and then diamond-machining the resulting nickel surface to increase its smoothness and reflectivity. The machined nickel surface then is passivated with respect to the formation of bonds with electrodeposited nickel. Nickel then is electrodeposited on the passivated surface to form a layer of electroplated nickel whose inside surface is a replica of the passivated surface. The mandrel then may be-re-passivated and provided with a layer of electrodeposited nickel, which is then recovered from the mandrel providing a second replica. The mandrel can be so re-used to provide many such replicas. As compared with producing each mirror-finished article by plating and diamond-machining, the new method is faster and less expensive.

  15. On surface tension for compact stars

    E-Print Network [OSTI]

    R. Sharma; S. D. Maharaj

    2007-08-24T23:59:59.000Z

    In an earlier treatment it was demonstrated that general relativity gives higher values of surface tension in strange stars with quark matter than neutron stars.We generate the modified Tolman-Oppenheimer-Volkoff equation to incorporate anisotropic matter and use this to show that pressure anisotropy provides for a wide range of behaviour in the surface tension than is the case with isotropic pressures. In particular it is possible that anisotropy drastically decreases the value of the surface tension.

  16. Hydrogen Burning on Magnetar Surfaces

    E-Print Network [OSTI]

    P. Chang; P. Arras; L. Bildsten

    2004-10-18T23:59:59.000Z

    We compute the rate of diffusive nuclear burning for hydrogen on the surface of a "magnetar" (Soft Gamma-Ray Repeater or Anomalous X-Ray Pulsar). We find that hydrogen at the photosphere will be burned on an extremely rapid timescale of hours to years, depending on composition of the underlying material. Improving on our previous studies, we explore the effect of a maximally thick "inert" helium layer, previously thought to slow down the burning rate. Since hydrogen diffuses faster in helium than through heavier elements, we find this helium buffer actually increases the burning rate for magnetars. We compute simple analytic scalings of the burning rate with temperature and magnetic field for a range of core temperature. We conclude that magnetar photospheres are very unlikely to contain hydrogen. This motivates theoretical work on heavy element atmospheres that are needed to measure effective temperature from the observed thermal emission and constrains models of AXPs that rely on magnetar cooling through thick light element envelopes.

  17. 2005 Chemical Reactions at Surfaces

    SciTech Connect (OSTI)

    Cynthia M. Friend

    2006-03-14T23:59:59.000Z

    The Gordon Research Conference (GRC) on 2005 Chemical Reactions at Surfaces was held at Ventura Beach Marriott, Ventura California from February 13, 2005 through February 18, 2005. The Conference was well-attended with 124 participants (attendees list attached). The attendees represented the spectrum of endeavor in this field coming from academia, industry, and government laboratories, both U.S. and foreign scientists, senior researchers, young investigators, and students. In designing the formal speakers program, emphasis was placed on current unpublished research and discussion of the future target areas in this field. There was a conscious effort to stimulate lively discussion about the key issues in the field today. Time for formal presentations was limited in the interest of group discussions. In order that more scientists could communicate their most recent results, poster presentation time was scheduled. Attached is a copy of the formal schedule and speaker program and the poster program. In addition to these formal interactions, 'free time' was scheduled to allow informal discussions. Such discussions are fostering new collaborations and joint efforts in the field.

  18. Condenser optic with sacrificial reflective surface

    DOE Patents [OSTI]

    Tichenor, Daniel A.; Kubiak, Glenn D.; Lee, Sang Hun

    2006-07-25T23:59:59.000Z

    Employing collector optics that have a sacrificial reflective surface can significantly prolong the useful life of the collector optics and the overall performance of the condenser in which the collector optics are incorporated. The collector optics are normally subject to erosion by debris from laser plasma source of radiation. The presence of an upper sacrificial reflective surface over the underlying reflective surface effectively increases the life of the optics while relaxing the constraints on the radiation source. Spatial and temporally varying reflectivity that results from the use of the sacrificial reflective surface can be accommodated by proper condenser design.

  19. Condenser optic with sacrificial reflective surface

    DOE Patents [OSTI]

    Tichenor, Daniel A. (Castro Valley, CA); Kubiak, Glenn D. (Livermore, CA); Lee, Sung Hun (Sunnyvale, CA)

    2007-07-03T23:59:59.000Z

    Employing collector optics that has a sacrificial reflective surface can significantly prolong the useful life of the collector optics and the overall performance of the condenser in which the collector optics are incorporated. The collector optics is normally subject to erosion by debris from laser plasma source of radiation. The presence of an upper sacrificial reflective surface over the underlying reflective surface effectively increases the life of the optics while relaxing the constraints on the radiation source. Spatial and temporally varying reflectivity that results from the use of the sacrificial reflective surface can be accommodated by proper condenser design.

  20. Other Surface Impoundments and Land Applications (Oklahoma)

    Broader source: Energy.gov [DOE]

    A water quality permit is required from the Department of Environmental Quality to construct, install, operate or close any industrial surface impoundment, industrial septic tank or treatment...