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

Now showing items 421-440 of 3613

    • NASA-LLIS-0387 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      When all contact with a weather satellite was lost, it was surmised that thermal cycling had caused one or more mounting bolts to protrude through a heat sink and short the solar array output ...
      Subject(s) : Environment , Safety & Mission Assurance , Spacecraft ,

    • NACA-TN-1695 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A study has been made to evaluate the effect of pressure recovery on the performance of a typical jet engine and of a typical jet-propelled fighter airplane. It was found that the pressure-recovery efficiency of an airplane ...
      Subject(s) : AIRPLANES , CONSUMPTION , ENGINES , FUEL , JET , PERFORMANCE , PRESSURE , RECOVERY , THRUST , TURBOJET ,

    • NASA-TM-X-311 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1960
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: High angle aerodynamic characteristics produced by nose cone of revolution in wind tunnel at supersonic speed
      Subject(s) : AERODYNAMIC , ANGLE , ATTACK , BODIES , CHARACTERISTICS , CONE , CONES , MACH , NOSE , NUMBER , REVOLUTION , SPEED , SUPERSONIC , TUNNEL , TUNNELS , WIND ,

    • NASA-LLIS-3056 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      During STS-119 ground processing, a functional test of the Remote Manipulator System (RMS) was performed in accordance with OMI V1175, RMS Turnaround Verification, to ensure that all RMS ...
      Subject(s) : Engineering design and project processes and standards , Ground processing and manifesting ,

    • NACA-RM-L58C11 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1958
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      One of the problems frequently encountered with supersonic aircraft is that of the lox-directional-stability level that occurs with increasing Mach number a d increasing angle of attack. This problem stems ...

    • NASA-LLIS-0191 

      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 use of truss segments, which are preintegrated with distributed systems and verified on the ground instead of erected on-orbit, has reduced technical risk and made the ...

    • NASA-LLIS-1184 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1991
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      On August 12, 1991, starting at approximately 3:58 a.m. EDT, two of the three fuel cells installed on Orbiter Atlantis, OV104, were possibly damaged when inadvertently ...
      Subject(s) : Configuration Management , Cryogenic Systems , Energetic Materials - Explosive/Propellant/Pyrotechnic , Energy , Flight Equipment , Ground Equipment , Ground Operations , Hardware , Human Factors , Launch Process , Logistics , Mishap Reporting , Packaging Handling Storage , Test & Verification , Test Article ,

    • NASA-LLIS-6496 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: For EVM to apply timely and effective corrective action to minimize cost overruns, it must be fully integrated with the project management systems that supply up-to-date budget, schedule, and cost data. EVM pilot exercises ...

    • NACA-TN-640 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1938
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: As part of the wing-fuselage interference investigation in progress in the N.A.C.A. variable density wind tunnel, the effects of various split-flap arrangements applied to wing-fuselage combinations were determined. Split ...

    • NASA-LLIS-0804 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Use preplanned contamination budgeting for each manufacturing/assembly, testing, shipping, launch, and flight operation and meticulously test optical systems using witness samples throughout ...

    • NACA-TN-1451 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Experimental data on the variation of the point unit thermal conductance in the entrance section of a circular tube are presented for 16 different flow conditions of the entering air. Results are compared with values ...
      Subject(s) : AIR , BENDS , BOUNDARY , CIRCULAR , EFFECT , EXCHANGERS , EXHAUST , FLOW , HEAT , HEATERS , LAYER , PIPE , PIPES , SCREENS , TRANSMISSION , TUBES , TURBULENT ,

    • NACA-TR-273 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1928
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This report deals with the autorotational characteristics of certain differing wing systems as determined from wind tunnel tests made at the Langley Memorial Aeronautical Laboratory. The investigation was confined to ...

    • NASA-LLIS-0012 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1991
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During post ascent shutdown of an orbiter OV-102 Auxiliary Power Unit (APU) on shuttle mission STS-2, the unit increased in temperature. Flight data indicated stoppage of ...
      Subject(s) : Configuration Management , Flight Equipment , Hardware , Launch Vehicle , Parts Materials & Processes , Spacecraft ,

    • NASA-LLIS-0945 

      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 tightly capped bottle containing dilute aqua regia chemical waste was stored in a fume hood. Evolved gases resulted in a pressure build-up causing the bottle to explode. ...
      Subject(s) : Disposal , Facilities , Hazardous/Toxic Waste/Materials , Occupational Health , Packaging Handling Storage , Personal Protective Equipment ,

    • NACA-TN-4390 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1958
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation has been made to determine the effects of frequency and amplitude on the yawing derivatives of triangular, swept, and uswept wings. Some data were also obtained for a triangular-wing-fuselage combination ...

    • NASA-LLIS-1251 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Early on Saturday, April 21, 2001, a pipe in the secondary water system failed in the basement of Building 8 at the NASA Goddard Space Flight Center. The primary asset ...
      Subject(s) : Administration/Organization ,

    • NASA-TN-D-36 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1959
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Airspeed, altitude, and acceleration data obtained with an NASA (formerly NACA) VGH recorder installed in a four-engine turboprop transport operating over the Eastern United States were evaluated to determine the magnitude ...
      Subject(s) : ACCELERATION (PHYSICS) , AIRCRAFT MANEUVERS , AIRSPEED , CRUISING FLIGHT , GUST LOADS , GUSTS , STATISTICAL DISTRIBUTIONS , TRANSPORT AIRCRAFT , TURBOPROP AIRCRAFT ,

    • NASA-LLIS-0560 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A scan platform anomaly occurred shortly before Galileo's encounter with the asteroid Ida. Because the Galileo architecture did not provide for revolving, short-term storage of downlink data, ...
      Subject(s) : System Design , Transient Event Recording ,

    • NASA-LLIS-1391 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Systemic management and technical failures led to the catastrophic rupture of a test system. 3 lessons are published regarding this specific incident; this lesson addresses problems with the ...
      Subject(s) : Configuration Management , Energetic Materials - Explosive/Propellant/Pyrotechnic , Energy , Facilities , Ground Equipment , Ground Operations , Hardware , Industrial Operations , Parts Materials & Processes , Policy & Planning , Pressure Vessels , Program and Project Management , Risk Management/Assessment , Safety & Mission Assurance , Test & Verification , Test Facility ,

    • NACA-RM-L54K18 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1955
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The performances of two annular diffuser designs applicable to turbojet afterburner installations were investigated to determine the effectiveness of injection and suction boundary-layer controls. The outer shell was ...