Now showing items 1801-1820 of 3613

    • NASA/SP-2011-3423 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Introduction
      Background
      Catastrophic accidents are usually preceded by precursory events that, although observable, are not recognized as harbingers of a tragedy until after the ...
    • NASA-LLIS-1046 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Experience Level Before Cross-Training of NASA and Shuttle Processing Contract (SPC) Personnel.
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Communication Systems , Ground Operations , Human Resources & Education , Industrial Operations , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance ,
    • NASA NPD 8810.2 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      This NPD is applicable to NASA Headquarters and NASA Centers, including Component Facilities and Technical and Service Support Centers. The language herein applies to the Jet Propulsion ...
    • NACA-ARR-L5A05 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1945
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTODUCTION
      A knowledge of the buckling stress of curved sheet under shear is of considerable importance in aircraft structural design. For complete circular cylinders, the problem has been attacked theoretically and ...
    • NASA-LLIS-0615 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      In preparation for a scheduled Extra Vehicular Activity (EVA) during STS-80, the crew discovered that they were unable to open the airlock outer hatch.
      Subject(s) : Parts Materials & Processes ,
    • NASA-CR-166426 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1983
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Use of this analytical parameter, it is shown, highlights the distinction between cases which are dominated by trailing-edge separation, and those for which separation at the shock foot is dominant. Use of the analytical ...
      Subject(s) : PRESSURE DISTRIBUTION , SHOCK TESTS , TRAILING EDGES , TRANSONIC FLOW , WIND TUNNEL TESTS , WINGS ,
    • NASA-LLIS-1791 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2007
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Managing risk in a risk adverse culture is a significant challenge to all projects, especially those that are in principle designed to be implemented in a risky environment. Class D missions ...
      Subject(s) : Program Management , Safety and Mission Assurance ,
    • NASA NPR 8705.5 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      This NASA Procedural Requirements (NPR) provides basic requirements for performing a probabilistic risk assessment (PRA) for NASA programs and projects. It addresses technical, mission success, ...
    • NASA-LLIS-1479 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Student Nitric Oxide Explorer (SNOE) spacecraft and its instruments were designed and built at the Laboratory for Atmospheric and Space Physics (LASP) of the University of Colorado. SNOE ...
      Subject(s) : Disposal , Flight Operations , Policy & Planning , Safety & Mission Assurance , Spacecraft ,
    • NASA NPR 9631.1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      This NASA Procedural Requirements (NPR) provides the financial management requirements for disbursements.
      APPLICABILITY
      This NPR is applicable to NASA Headquarters and ...
    • NACA-RM-E54F11 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The present investigation was undertaken to obtain forced-convection heat-transfer and pressure-drop data for flow of air between electrically heated parallel flat plates forming passages of short ...
    • NASA NPD 2521.1 REV A W/ADM CHG 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose:
      This NASA policy directive establishes the Communications Material Review (CMR) process to help ensure Agency management of NASA- funded communications material that conveys information about NASA's mission, ...
    • NASA-LLIS-0428 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      In selecting squibs stored from the Viking Orbiter 1975 program for use in the Voyager 1977 mission, it was found that moisture sealed within the squibs at the time of manufacture had combined ...
      Subject(s) : Contamination , Energetic Materials - Explosive/Propellant/Pyrotechnic , Environment , Packaging Handling Storage , Pyrotechnic , Spacecraft ,
    • NACA-TN-1191 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The NACA 65-210 airfoil section was believed to offer a reasonable compromise between high maximum lifts and high critical speeds. The greatest amount of data available on the application of high-lift flaps ...
      Subject(s) : AIRFOILS , CARRIED , CHAR , CHARACTERISTICS , DOUBLE , DRAG , EFFECT , FLAPS , LMAL , LOW , MOMENTS , NACA , NUMBER , ORDINATES , REYNOLDS , ROUGHNESS , SLOTTED , SURFACE , TESTS , TUNNEL , TURBULENCE , WIND , WING , WORK ,
    • NASA-LLIS-0226 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A tube trailer was being filled with oxygen with a 1000 psi differential between the trailer and supply when a flash was observed in the area of the remotely operated ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Explosives Handling , Parts Materials & Processes ,
    • NASA-TN-D-6091 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Dynamic stability derivatives of twin-jet fighter model for angles of attack from -10 deg to 110 deg
      Subject(s) : AIRCRAFT , ANGLE , ATTACK , DYNAMIC , FIGHTER , INCLINATION , PITCH , ROLL , STABILITY , SWEPT , WINGS , YAW ,
    • NASA-LLIS-1285 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Often Programs/projects, especially highly visible ones, must deal with the reality of being accountable to multiple entities, such as Center Senior Staff, Headquarters/ ...
      Subject(s) : Administration/Organization , Policy & Planning ,
    • NACA-RM-L51B13 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The use of end plates as a means of increasing the effective aspect ratio of airfoils and thereby increasing lift-drag ratios has been investigated at various times. In general, these investigations have ...
    • NASA-TN-D-6827 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1972
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Static pressure position error calibrations for a compensated and an uncompensated XB-70 nose boom pitot static probe were obtained in flight. The methods (Pacer, acceleration-deceleration, and total temperature) used to ...
      Subject(s) : ANGLE OF ATTACK , B-70 AIRCRAFT , CALIBRATING , PITOT TUBES , POSITION ERRORS , REYNOLDS NUMBER , STATIC PRESSURE ,
    • NASA-LLIS-0090 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Personnel in SCAPE are required to have portable backup communications. GP-1098 requires using the buddy system. Also, in the event of loss of RF communications, two people ...
      Subject(s) : Emergency Preparedness , Flight Equipment , Flight Operations , Launch Process , Launch Vehicle ,