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

Now showing items 2341-2360 of 3613

    • NASA-TM-85760 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1984
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Wind-tunnel tests of a model of an advanced canard configuration designed for general aviation were conducted in the Langley 30- by 60-Foot Tunnel. The objective of the tests was to determine the aerodynamic stability and ...

    • NACA-TR-1020 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation of forced-convection heat transfer and associated pressure drops was conducted with air flowing through smooth tubes for an over-all range of surface temperature from 535° to 3050° R, inlet-air ...
      Subject(s) : AIR , COEFFICIENT , COEFFICIENTS , FLOW , FRICTION , HEAT , HIGH , INLET , INTAKES , MEASUREMENT , PIPE , PIPES , RESISTANCE , SUBSONIC , SURFACE , TEMPERATURE , TRANSFER , TUBES ,

    • NASA-LLIS-0156 

      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 MLP vehicle hydraulic power-up, trapped pressure between check valve A77943 and supply valve A77900 could occur if the supply valve is not open. When pressure is ...
      Subject(s) : Hardware ,

    • NACA-RM-L57E02 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1957
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Numerous experiments have been made to determine the supersonic aerodynamic characteristics of low-aspect-ratio delta wings at low and moderate angles of attack (for example, refs. 1 to 5). Relatively few ...

    • NASA-LLIS-1179 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During the first test firing of a flight laser, after an electronic card repair, it was noticed that there was no visible laser light observed in a television screen used ...
      Subject(s) : Spacecraft , Test & Verification ,

    • NASA-LLIS-0422 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Following a Viking Orbiter pyrotechnic-actuated event, debris was viewed by the star tracker as numerous bright objects, initiating a command to change the spacecraft roll position. During ...
      Subject(s) : Attitude Control , Energetic Materials - Explosive/Propellant/Pyrotechnic , Flight Operations , Science Viewing , Spacecraft ,

    • NASA-LLIS-0808 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Magnetic Particle Testing can be used on all ferromagnetic materials to locate surface and subsurface discontinuities such as cracks, laps, seams, and inclusions.

    • NASA NPR 3800.1 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) establishes the responsibilities and procedures for various employee benefits and work/life programs for which the Agency has been delegated discretionary ...

    • NASA-LLIS-0007 

      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 two successive missions of the shuttle orbiter OV-99, a television monitor secured by a bracket that was bonded to the wall of the crew module, became detached from ...
      Subject(s) : Flight Equipment , Flight Operations , Hardware , Launch Vehicle , Parts Materials & Processes , Pressure Vessels ,

    • NACA-TR-959 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1959
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: With the assumptions that Berthelot's equation of state accounts for molecular size and intermolecular force effects, and that changes in the vibrational heat capacities are given by a Planck term, expressions are developed ...
      Subject(s) : ANALYSIS , ATMOSPHERE , CONSTANTS , DIATOMIC , DIMENSIONAL , EFFECTS , EQUATIONS , FLOW , FORCES , FREE , GAS , GASES , INTERMOLECULAR , LEVEL , MATHEMATICS , OBLIQUE , ONE , PRESSURE , SEA , SHOCK , STATE , TEMPERATURE , THEORY , WAVES ,

    • NASA-LLIS-0940 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      An engineering technician was standing on a temporary platform located between the guardrails of the 3rd floor and the exterior surface of the test section plenum. The ...
      Subject(s) : Administration/Organization , Environment , Facilities , Ground Equipment , Ground Operations , Hardware , Human Resources & Education , Occupational Health , Safety & Mission Assurance , Test Facility ,

    • NASA-LLIS-2839 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Reduced torque output of the orbiter's electromechanical actuators has been a problem for the Shuttle Program. It has resulted in unplanned work to test, remove, and refurbish the actuators. ...
      Subject(s) : Engineering design and project processes and stndards , Entry Systems , Ground Operations , Ground processing and manifesting , Launch Vehicle , Long term sustainability and maintenance planning , Orbiting Vehicles , Review systems and boards , Spacecraft ,

    • NACA-TN-4174 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1957
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was conducted in the Langley high-speed 7- by 10-foot tunnel to determine the effects of variations In taper ratio within the range of 0.3 to 1.0 on the static lateral stability characteristics at high ...

    • NASA-LLIS-0219 

      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 high pressure steam valve ruptured in the basement of the building, releasing steam that damaged walls and floor tiles. The mishap was caused by dynamic loading to the ...
      Subject(s) : Facilities , Parts Materials & Processes , Pressure Vessels ,

    • NASA-CR-1706 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1970
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Modifications to reduce fan-compressor noise level of DC-8 aircraft - Part 2.
      Subject(s) : ACOUSTIC MEASUREMENT , AERODYNAMIC CONFIGURATIONS , DC 8 AIRCRAFT , JET AIRCRAFT NOISE , NOISE REDUCTION , TURBOFAN ENGINES ,

    • NASA-TN-D-6826 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1972
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Longitudinal and lateral stability data were obtained with the model out of and in ground effect over a moving ground plane for a range of model angles of attack and sideslip at various thrust coefficients. These data were ...
      Subject(s) : AERODYNAMIC , AERODYNAMICS , AIRCRAFT , CHARACTERISTICS , CONFIGURATIONS , EFFECT , GROUND , MODELS , STABILITY , TESTS , TUNNEL , WIND ,

    • NACA-TN-1051 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1946
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      In recent years the need for more rational means of design and analysis of connections has been emphasized by the exacting requirements of modern airplane construction. The methods of joint-analysis are ...

    • NASA-LLIS-0555 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During an Extravehicular activity training exercise involving pressurized operations in a Extravehicular Mobility Unit, the subject suffered symptoms of high concentrations ...

    • NACA-TR-919 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The sources of error that may enter into the measurement of airspeed by pitot-static methods are reviewed in detail together with methods of flight calibration of airspeed installations. Special attention is given to the ...

    • NASA-LLIS-1621 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Dryden Aerospike Rocket Test Director's Discretionary Fund (DDF) project conducted flight research of an aerospike rocket nozzle design using high power amateur rockets. The standard ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Flight Operations , Payloads , Pressure Vessels , Safety & Mission Assurance , Spacecraft ,