NASA - National Aeronautics and Space Administration (NASA): Recent submissions

Now showing items 1701-1720 of 3613

    • NASA-LLIS-1435 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Even though NASA may be able to provide goods and services more effectively and economically, an investigation board may use outside contractors to ensure a perception of "independence."
      Subject(s) : Accident Investigation , Administration/Organization , Financial Management , NASA Standards , Policy & Planning , Procurement Small Business & Industrial Relations , Safety & Mission Assurance ,

    • NASA-LLIS-0873 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      On May 16, 1994, an AMDAHL 5995M mainframe computer overheated at approximately 8:20 AM in the Software Production Facility (SPF) in Building 30 at JSC. Physical damage ...
      Subject(s) : Communication Systems , Computers , Configuration Management , Energy , Environment , Facilities , Ground Equipment , Ground Operations , Hardware , Industrial Operations , Information Technology/Systems , Parts Materials & Processes , Spacecraft , Test & Verification , Test Article , Test Facility ,

    • NACA-TN-1851 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1949
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A theoretical solution is given for the critical shear stress of an infinitely long, simply supported, flat plate with identical, equally spaced, transverse stiffeners of zero tensional stiffness. Results are obtained by ...
      Subject(s) : ALCOA , ALLOYS , ALUMINUM , BEAMS , BUCKLING , CHARTS , FLAT , PLATES , SHEAR , SKIN , STRENGTH , STRESSED , WEBS ,

    • NASA-TM-X-1931 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1969
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Analysis of cooling flow accidental loss in pressurized water test reactor
      Subject(s) : ACCIDENT , BROOK , COOLING , FLOW , INVESTIGATION , LIQUID , LOSS , NUCLEAR , PLUM , PRESSURIZED , REACTOR , REACTORS , SAFETY , WATER ,

    • NASA-LLIS-2976 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Due to the high-volume storage of gases at KSC, gas leaks have often gone undetected for long periods. This resulted in significant costs, especially when there have been leaks in the gaseous ...
      Subject(s) : Crew Survival Systems , Facilities , Ground Equipment , Ground Operations , Ground support systems , Launch support systems , Level II/III requirements definition , Long term sustainability and maintenance planning , Mission and systems trade studies , Pressure Vessels , Systems analysis - cost analysis , Test Facility ,

    • NASA-LLIS-0166 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      After every launch, personnel are required to climb out and balance on the liquid hydrogen external tank vent line to remove blast covers. After launch, the vent line is ...
      Subject(s) : Facilities , Ground Operations ,

    • NACA-TM-856 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1938
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The object of the present report is to ascertain the relationship of the circulation distribution over the wing and of the lift to the height and position of the end plate. The side forces and moments on the end plates ...

    • NASA-LLIS-1189 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      JSC SR&QA was tasked with performing a quarterly visual weld inspection of the Motion Base Simulator (MBS) located in the Shuttle Mission Simulator facility. The MBS is a ...
      Subject(s) : Aircraft , Configuration Management , Facilities , Flight Equipment , Ground Equipment , Hardware , Industrial Operations , Parts Materials & Processes , Safety & Mission Assurance , Spacecraft , Test & Verification , Test Article , Test Facility ,

    • NASA-LLIS-0121 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During removal of the H2 tank from the OV-104 mid-body, a crane was used to take up the initial cable slack and transfer the load from the tank struts to the GSE lifting ...
      Subject(s) : Industrial Operations , Lifting Devices , Transportation ,

    • NASA-LLIS-0838 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Apply maintainability concepts to development of software in the early phases of the lifecycle.

    • NASA-LLIS-0017 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1991
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A shuttle orbiter Auxiliary Power Unit (APU) heater system failed in the "ON" condition in flight. A post-flight investigation determined that a heater ground-side wire ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Flight Equipment , Flight Operations , Hardware , Launch Vehicle , Parts Materials & Processes , Spacecraft ,

    • NASA-LLIS-0950 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The Challenger (Space Shuttle Flight #51L) accident triggered a detailed review of all of the joints in the Solid Rocket Motor. Analyses showed a potential weakness and ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Launch Vehicle ,

    • NASA-LLIS-5003 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Combining the functions of two umbilicals into a single umbilical reduces risks at liftoff.
      Subject(s) : Additional Categories.Spacecraft ,

    • NACA-TR-147 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1923
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This report was prepared at the request of the National Advisory Committee for Aeronautics and discusses the need of a standard set of values of pressure, temperature and density at various altitudes and points out the ...
      Subject(s) : ALTITUDE , ANALYSIS , ATMOSPHERES , ATMOSPHERIC , BALLOON , BALLOONS , COMPARISON , DATA , DENSITY , FLIGHT , FORMULAS , FREE , MATHEMATICS , PERIODIC , PRESSURE , REFERENCE , SOUNDING , TABLES , TEMPERATURE , TESTS , TETHERED , VARIATIONS ,

    • NASA-LLIS-0565 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The mobile crane was holding a 20 foot section of 36" diameter pipe while a section of handrail was being removed. Removal of the handrail was necessary in order to remove ...
      Subject(s) : Lifting Devices , Logistics ,

    • NASA-LLIS-1336 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During integration of the Genesis spacecraft, many flight and ground support equipment (GSE) cables were found to be electrically incompatible with spacecraft systems ...
      Subject(s) : Configuration Management , Flight Equipment , Ground Equipment , Hardware , Payloads , Spacecraft , Test & Verification ,

    • NASA-LLIS-1120 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Redundancy of Safety-Critical Flight Systems
      Subject(s) : Aerospace Safety Advisory Panel , Energetic Materials - Explosive/Propellant/Pyrotechnic , Extra-Vehicular Activity , Flight Equipment , Safety & Mission Assurance , Test & Verification ,

    • NASA NPR 8715.1 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      This NPR provides the requirements for NASA Federal civil service occupational safety and health programs as required by Section 19 of the Occupational Safety and Health (OSH) Act of 1970, as ...

    • NASA-LLIS-5216 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A technician climbed a five-foot portable ladder to the second-from-the-bottom rung in preparation for a cable pulling task. The technician moved a ceiling tile in order to view the area above ...
      Subject(s) : Facilities , Industrial Operations , Planning of safety systems , Risk Management/Assessment ,

    • NASA-MEMO-12-2-58 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1958
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Methods are presented for estimating the directional stability derivative increments contributed by the stabilizing surfaces of subsonic and supersonic aircraft. These methods are strictly applicable at zero angle of attack ...