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

Now showing items 541-560 of 3613

    • NASA-LLIS-0397 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      While on the launch pad, Viking experienced an anomalous power turn-on that resulted in a total discharge of the spacecraft batteries. Failure analysis had not detected that discrete failure ...
      Subject(s) : Ground Operations , Safety & Mission Assurance , Spacecraft ,

    • NASA-TN-D-4928 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1969
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Wind tunnel tests of large jet transport aircraft model with external flow jet flap
      Subject(s) : AERODYNAMIC , AIRCRAFT , ANALYSIS , CHARACTERISTICS , CHARTS , CONTROL , DATA , FLAPS , FLOW , GRAPHS , JET , LIFT , MODELS , STABILITY , STATISTICAL , SURFACES , TABLES , TESTS , TRANSPORT , TUNNEL , WIND ,

    • NACA-TN-728 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1939
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The National Advisory Committee for Aeronautics is conducting an extrusive investigation to determine the relative merits of various types 32 lift-increasing devices. For use in take-off, a high-lift device ...

    • NASA-LLIS-1220 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Throughout 1A/R and 2A verification closure (stage level), considerable resources were expended gathering element level compliance data to provide closure of the identical ...
      Subject(s) : Administration/Organization , Configuration Management , Independent Verification and Validation , Policy & Planning , Safety & Mission Assurance , Test & Verification ,

    • NASA-LLIS-0874 

      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 , Human Resources & Education , Industrial Operations , Information Technology/Systems , Policy & Planning , Spacecraft , Test & Verification , Test Article , Test Facility , Training Equipment ,

    • NASA-LLIS-0845 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Use the noise or vibration created by mechanical equipment to determine the actual condition of the equipment. Vibration analysis can be used as a nondestructive method for detecting incipient ...

    • NASA-TN-D-2770 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1965
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Aircraft tire tread wear effect on wet-runway braking.
      Subject(s) : AIRCRAFT TIRE , AIRCRAFT TIRES , BRAKING , MOISTURE CONTENT , RUNWAY CONDITION , RUNWAY CONDITIONS , TREADS , WEAR ,

    • NASA-LLIS-0058 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      While an employee was climbing out onto a steel beam to inspect debris nets on the 16th level of the VAB, a beam clamp attached to the employee's belt struck a beam and ...
      Subject(s) : Facilities , Ground Operations , Hardware , Personal Protective Equipment , Safety & Mission Assurance ,

    • NACA-TR-1117 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Six large 24s-t3 aluminum-alloy-sheet specimens containing various notches or fillets were tested in tension to determine their stress concentration factors in both the elastic and plastic ranges. The elastic stress ...
      Subject(s) : ALUMINUM ALLOYS , ELASTIC PROPERTIES , FILLETS , FLAT PLATES , NOTCHES , PLASTIC PROPERTIES , STRESS ANALYSIS , STRESS CONCENTRATION , STRESS-STRAIN RELATIONSHIPS , TESTS ,

    • NASA-LLIS-1029 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Materials Obsolescence, Parts Obsolescence and Environmental Regulations Issues Cause Disruptions in Stable Shuttle Ground Operations Processes.
      Subject(s) : Aerospace Safety Advisory Panel , Environment , Ground Operations , Hazardous/Toxic Waste/Materials , Parts Materials & Processes , Policy & Planning , Safety & Mission Assurance , Spacecraft ,

    • NACA-TM-1195 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The sound field of a rotating propeller is teated theoretically on the basis of aerodynamic principles. For the lower harmonics, the directional characteristics and the radiated sound energy are determined and are in ...
      Subject(s) : AERODYNAMIC NOISE , MATHEMATICAL MODELS , PROPELLERS , SOUND FIELDS ,

    • NASA-LLIS-0469 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During ground operations at KSC, the first United States Microgravity Laboratory (USML-1) took longer than projected to perform a special module acoustical test. This ...
      Subject(s) : Ground Operations , Policy & Planning , Test & Verification ,

    • NACA-TN-1872 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1949
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      As a solution to the high-lift and lateral-control problems presented at take-off and landing for transport airplanes and other airplanes having large wing loadings, the National Advisory Committee for ...
      Subject(s) : AILERONS , AIRFOILS , CARRIED , CHARACTERISTICS , CONTROL , DRAG , FLAPS , FULL , HIGH , LAL , LATERAL , LIFT , LOW , MOMENTS , MPH , NACA , ORDINATES , PITCHING , PLUG , RETRACTABLE , ROLLING , SLOT , SLOTTED , SPAN , SPOILER , TESTS , TUNNEL , WIND , WING , WINGS , WORK , YAWING ,

    • NASA-LLIS-1447 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Unfamiliar database tools cause delays and use of multiple systems cause additional delay and tax the IT support staff.
      Subject(s) : Accident Investigation , Administration/Organization , Computers , Configuration Management , Information Technology/Systems , NASA Standards , Policy & Planning , Safety & Mission Assurance ,

    • NASA-LLIS-0885 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      During a system-level ambient functional test of the MPL spacecraft, the software test sequence commanded the gimbaled medium gain antenna through its full range of motion, striking one of ...
      Subject(s) : Flight Equipment , Hardware , Safety & Mission Assurance , Spacecraft , Test & Verification , Test Article , Test Facility ,

    • NACA-TN-2495 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The data presented herein are the results of two wind-tunnel investigations in the Georgia Institute of Technology 9-foot wind tunnel. These tests were conducted under the sponsorship and with the financial ...

    • NACA-RM-A52K20 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      A semispan model of a high-aspect-ratio swept wing in combination with a fuselage of high fineness ratio has been tested in the Ames 12-foot pressure wind tunnel. The wing was cambered and twisted, had ...

    • NASA-CR-224 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1965
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Strength characteristics of anisotropic and laminated composite materials
      Subject(s) : ANISOTROPIC , ANISOTROPY , COMPOSITE , LAMINATED , LAMINATES , MATERIAL , MATERIALS , MECHANICAL , PROPERTIES ,

    • NASA-TM-X-1960 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1970
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Jet effects on boattail axial force of conical afterbodies at subsonic and transonic speeds
      Subject(s) : AERODYNAMIC , AFTERBODIES , BLAST , BOATTAILS , BODIES , CONICAL , CONVERGENT , DIVERGENT , EFFECTS , FORCES , JET , MODELS , NOZZLES , SPEED , SUBSONIC , TRANSONIC , TUNNEL , WIND ,

    • NASA-LLIS-0176 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The primary reason for the use of the putty in the SRM was to act as a thermal barrier in the joints to prevent o-ring erosion resulting from circumferential hot gas flow ...
      Subject(s) : Flight Equipment , Hardware , Test & Verification ,