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

Now showing items 461-480 of 3613

    • NASA-LLIS-1122 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Validation of Flight Software for X-34 and L-1011 Carrier Aircraft Flight Separation
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Aircraft , Computers , Policy & Planning , Risk Management/Assessment , Software , Spacecraft , Test & Verification ,

    • NASA NPR 8705.2 REV B W/CHG 4 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      NASA's policy is to protect the health and safety of humans involved in or exposed to space activities, specifically the public, crew, passengers, and ground personnel. This policy is implemented ...

    • NASA-STD-(I)-0007 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      The purpose of this Interim Standard is to establish the format and content of twodimensional (2D) drawings and three-dimensional (3D) models so that rework of these products by collaborating ...

    • NASA-LLIS-0747 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The construction cost estimate for the project was equivalent to the project authority and as a result some work that was suspect of needing to be replaced was not included ...
      Subject(s) : Administration/Organization , Facilities , Financial Management ,

    • NACA-TR-646 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1939
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Simultaneous air-flow photographs and pressure-distribution measurements were made of the NACA 4412 airfoil at high speeds to determine the physical nature of the compressibility burble. The tests were conducted in the ...

    • NASA-LLIS-1858 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Vendor-supplied materials data sheets that cannot be relied upon, or do not cover materials properties throughout the ranges of extreme environmental conditions found in spaceflight, are a ...
      Subject(s) : Additional Categories.Flight Equipment , Additional Categories.Ground Equipment , Additional Categories.Hardware , Additional Categories.Parts , Materials , & Processes , Additional Categories.Payloads , Additional Categories.Safety & Mission Assurance , Additional Categories.Spacecraft , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Mission Operations and Ground Support Systems.Ground support systems , Mission Operations and Ground Support Systems.Launch support systems , Program Management.Configuration and data management , Safety and Mission Assurance.Reliability , Systems Engineering and Analysis.Engineering design and project processes and standards ,

    • NASA-LLIS-0835 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Programmatic provisions for ease of maintenance greatly enhance hardware and software system operational effectiveness for both in-space and ground support systems.

    • NACA-ARR-L4I16 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1944
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A method is presented for predicting from basic airplane characteristics the elevator deflection required to maintain optimum landing attitude. Charts for evaluating the components of the equation for the elevator deflection ...

    • NASA-TN-D-3375 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1966
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Longitudinal aerodynamic data on large-scale semispan V/STOL tilt-wing configuration having single propeller with left and right hand rotation
      Subject(s) : AERODYNAMIC , AERODYNAMICS , AIRCRAFT , ATTITUDE , CHARACTERISTICS , CONTROL , DRIVE , FLAPPING , FLAPS , INCLINATION , PROPELLER , PROPELLERS , ROTATION , SLOTS , STOL , SURFACES , TILT , TUNNEL , TUNNELS , WIND , WING , WINGS ,

    • NACA-TN-3344 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The effect of a strong, negative pressure gradient upon the local rate of heat transfer through a laminar boundary layer on the isothermal surface of an electrically heated, cylindrical body of revolution with a hemispherical ...

    • NASA-CR-172425 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1985
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A computer program entitled PAIN (an acronymn for Propeller Aircraft Interior Noise) has been developed to permit calculation of the sound levels in a model of a cabin of a ...

    • NASA-LLIS-0501 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      On or about January, 1993, the LOX/LN2 System (an Oxygen Clean Environment) of the LaRC 7" High Temperature TUNNEL Was leak checked using K-Bottle nitrogen. At ...
      Subject(s) : Facilities , Industrial Operations , Test Facility ,

    • NASA-LLIS-0287 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Following rework of the Magellan Power Control Unit (PCU), an engineer performed an after-hours test of the unit without quality assurance assistance or adequate test procedures. Reverse ...
      Subject(s) : Safety & Mission Assurance , Subsystem Test , Test & Verification ,

    • NASA-LLIS-1324 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Due to the scheduling impact, based on the Microgravity Science Glove Box (MSG) payload rack requiring on-line to off-line support by the payload provider, there was a ...
      Subject(s) : Ground Equipment , Ground Operations , Human Factors , Risk Management/Assessment ,

    • NACA-RM-L8K12 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1949
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The use of sweptback wings on high-speed airplanes introduces several stability and control problems in the low-speed range. Two of these problems are unstable pitching moments and loss of lateral control ...

    • NACA-TM-952 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1940
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The following standards give the standardized forms for two throttling devices, standard nozzles and standard orifices, and enable them to be used in circular pipes without calibration. The definition of the standards are ...

    • NASA-LLIS-0047 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1991
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The primary cause of the mishap was an activation (closing) of the fire pump mercoid pressure switch which prematurely started the fire pump. This produced transient ...
      Subject(s) : Facilities , Fire Protection , Ground Equipment , Ground Operations , Hardware ,

    • NACA-TN-3866 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Fatigue tests were performed on notched and unnotched sheet specimens made of 2024-T3 and 7075-T6 aluminum alloys and of SAE 4130 steel. The steel was tested in two conditions: normalized and heat-treated to a tensile ...

    • NASA-LLIS-0351 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      During confidence testing of the MBB Galileo Ten Newton (N) Engine at MBB in November 1988, rapid increases in combustion chamber temperature ("hot starts") were sometimes observed immediately ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Research & Development , Supplier Testing , Test & Verification ,

    • NASA-LLIS-0149 

      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 SSME vertical installer is used to position the engine for mounting on or removal from the orbiter. During SSME vertical installer operations, it was discovered that ...
      Subject(s) : Ground Operations , Hardware ,