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

Now showing items 2961-2980 of 3613

    • NASA-LLIS-0956 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      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-0571 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      There was an inadvertent release of nitrogen tetroxide (N2O4) at JSC on April 21, 1994 at Approximately 11:20 am. The release occurred in the Thermochemical Test Area (TTA) ...

    • NASA-LLIS-1615 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Cascading and/or multiple failures must be considered during risk assessments to ensure hazard controls are adequate should they be required to address more than one failure at a time.
      Subject(s) : Program and Project Management , Risk Management/Assessment , Safety & Mission Assurance ,

    • NASA-LLIS-1396 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Throughout the requirements development, design, implementation, integration and testing activities for this ground terminal, there were a number of events and/or circumstances that caused ...
      Subject(s) : Communication Systems , Facilities , Ground Equipment , Ground Operations , Hardware , Independent Verification and Validation , NASA Standards , Parts Materials & Processes , Research & Development , Test & Verification , Test Article , Test Facility ,

    • NACA-TR-865 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A method is presented for calculating wing characteristics by lifting-line theory using nonlinear section lift data. Material from various sources is combined with some original work into the single complete method described. ...
      Subject(s) : AERODYNAMIC , ANGLE , ATTACK , CHARACTERISTICS , COMPUTATIONAL , DISTRIBUTION , DYNAMICS , FLUID , FORCE , LIFT , MULTIPLIERS , PROFILES , SPAN , WING , WINGS ,

    • NASA-LLIS-3221 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The location of the check valve in the hydraulic filter module of the Ground Pumping Unit prevented ground supply pressure to be applied the supply flex hose. The location of the check valve ...
      Subject(s) : Engineering design and project processes and standards , Entry Systems ,

    • NASA-SP-3007 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1964
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Supersonic flow around right circular cones at small angles of attack
      Subject(s) : ANGLE , ATTACK , CIRCULAR , CONE , CONES , FLOW , SUPERSONIC ,

    • NASA-LLIS-1209 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Technicians were trimming composite material using a table saw with a diamond-cutting blade. After trimming the employees took a break. When returning they discovered smoke ...
      Subject(s) : Facilities , Ground Equipment , Ground Operations , Industrial Operations , Parts Materials & Processes , Risk Management/Assessment ,

    • NASA-LLIS-0926 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A machinist preparing to cut a Space Shuttle Main Engine turbopump part on a Vertical Turret Lathe (VTL) noticed that the cutting fluid did not exhibit a white milky ...
      Subject(s) : Aircraft , Communication Systems , Facilities , Hardware , Hazardous/Toxic Waste/Materials , Human Factors , Industrial Operations , Parts Materials & Processes ,

    • NASA-LLIS-4057 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      When single-phase power is pulled from a 3-phase supply (e.g., for Orbiter lighting) that is feeding critical 3-phase motors, there is a resulting phase imbalance (especially neutral leg ...
      Subject(s) : Crew Survival Systems , Engineering design and project processes and standards , Lander Systems , Level II/III requirements definition , Mission and systems trade studies , Orbiting Vehicles , Reliability , Test & Verification , Vehicle concepts ,

    • NASA-LLIS-0786 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Establish a mandatory closed-loop system for detailed, independent, and timely technical reviews of all analyses performed in support of the reliability/design process.

    • NASA NPR 4200.2 REV B 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose. This NPG offers procedural guidance to NASA personnel for the acquisition, management, responsibility, and use of NASA-owned equipment.
      Applicability. This NPG applies to NASA Headquarters and NASA Centers, ...

    • NASA NPD 5000.2 REV C W/CHG 1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      a. This NASA Policy Directive (NPD) is applicable to NASA Headquarters and NASA Centers, including Component Facilities and Technical and Service Support Centers procurements (including ...

    • NASA-LLIS-5536 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During a scheduled quarterly Preventive Maintenance Inspection (PMI) procedure on the Space Station Processing Facility (SSPF's) hardware receiving room, south sliding ...
      Subject(s) : Advanced planning of safety systems , Facilities , Maintenance ,

    • NASA-LLIS-1164 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Aging Ground Processing and Launch Infrastructure at Kennedy Space Center (KSC)
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Ground Operations , Human Factors , Industrial Operations , Lifting Devices , Parts Materials & Processes , Policy & Planning , Risk Management/Assessment , Test Facility , Transportation ,

    • NASA-LLIS-6143 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Space Shuttle Program Level requirements were defined in a top level system requirements document National Aeronautics and Space Administration (NASA) Space Transportation (STS) NSTS 07700. The document has areas where ...

    • NACA-TN-3857 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An experimental investigation was made to determine the effects of wing position on the low-speed static longitudinal and static lateral stability derivatives of airplane models having fuselages of square and rectangular ...

    • NASA-LLIS-0779 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Perform dynamic tests prior to performing thermal-vacuum tests on flight hardware.

    • NASA-LLIS-1611 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Several of the X-vehicle programs were cancelled prior to flight. There seems to be insufficient awareness that information or knowledge obtained from these programs has not been verified by flight.
      Subject(s) : Policy & Planning , Program and Project Management , Risk Management/Assessment , Safety & Mission Assurance ,

    • NACA-TR-824 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1945
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The historical development of NACA airfoils is briefly reviewed. New data are presented that permit the rapid calculation of the approximate pressure distributions for the older NACA four-digit and five-digit airfoils by ...