Now showing items 2181-2200 of 3613

    • NASA-LLIS-0447 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      At the Loral Vought Systems in Dallas, Texas prior logbook test data history was evaluated as part of a normal failure investigation. During this review a trend in data ...
      Subject(s) : Hardware , Parts Materials & Processes , Safety & Mission Assurance ,
    • NACA-TR-460 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1933
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation of a large group of related airfoils was made in the NACA variable-density wind tunnel at a large value of the Reynolds number. The tests were made to provide data that may be directly employed for a ...
    • NASA-LLIS-0016 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1991
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      When the shuttle orbiter main propulsion system oxygen manifold was pressurized to obtain gas samples, oxygen line to engine No. 3 also pressurized. The prevalves to all ...
      Subject(s) : Aircraft , Cryogenic Systems , Energetic Materials - Explosive/Propellant/Pyrotechnic , Flight Equipment , Flight Operation , Ground Equipment , Ground Operations , Hardware , Launch Vehicle , Parts Materials & Processes , Pressure Vessels , Spacecraft ,
    • NASA-STD-5006 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This standard establishes the processing and quality assurance requirements for manual, automatic, machine, and semiautomatic fusion welding for space flight applications and special test equipment used for testing flight ...
      Subject(s) : arc welding (AC) , high energy density welding (HEDW) , nondestructive evaluation (NDE) , procedure qualification record (PQR) , resistance welding (RW) , solid state welding (SSW) , welder performance qualification (WPQ) , welder procedure specification (WPS) ,
    • NASA-LLIS-0949 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      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 ,
    • NACA-TR-116 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1923
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The report gives, rather briefly, in part one an introduction to hydrodynamics which is designed to give those who have not yet been actively concerned with this science such a grasp of the theoretical underlying principles ...
      Subject(s) : AERODYNAMICS , AIRCRAFT , AIRSHIPS , COMPUTATIONAL , CONDITION , DISTRIBUTION , DYNAMICS , FLOW , FLUID , FORCES , HYDRODYNAMICS , INTERFERENCE , JOUKOWSKI , KUTTA , LOADS , PRESSURE , PROPELLERS , THEOREMS , TUNNELS , WALL , WALLS , WIND , WINGS ,
    • NASA-CR-1677 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Evaluation of vapor chamber /heat pipe/ radiator for Brayton cycle space power system.
      Subject(s) : BRAYTON CYCLE , COOLING FINS , HEAT PIPES , HEAT TRANSFER , LIFE (DURABILITY) , NUCLEAR POWER REACTORS , PERFORMANCE TESTS , SPACECRAFT RADIATORS , SYSTEMS ANALYSIS ,
    • NASA-LLIS-0230 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Requirements for the operational era was introduced into the system in early 1985. The foundation for the system, operations and maintenance requirements and specifications ...
      Subject(s) : Configuration Management , Ground Operations ,
    • NASA-LLIS-0564 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      An electrical mishap occurred on January 30, 1997, at the Water Deluge Pumping Substation 202 at the Cryogenic Transfer Area at the Stennis Space Center (SSC). Electrical ...
    • NASA-LLIS-1314 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The Program cost and responsibilities were split 50/50 between the Government and the Contractor. This arrangement reflected the interest that each party had; the Government ...
      Subject(s) : Risk Management/Assessment ,
    • NASA NASA-MEMO-10-3-58 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1958
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: To aid in assessing effects of cross-sectional shape on body aerodynamics, the forces and moments have been measured for bodies with circular, elliptic, square, and triangular cross sections at Mach numbers 1.98 and 3.88. ...
    • NASA-LLIS-1263 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      While testing at Mach 0.8 in the 16-ft Transonic Tunnel, a full-scale F-15 inlet model separated from the sting. The model traveled downstream and impacted the catch screen ...
      Subject(s) : Test Facility ,
    • NASA NPD 1000.5 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      This NPD is applicable to NASA Headquarters and NASA Centers, including Component Facilities and Technical and Service Support Centers. This language applies to JPL, other contractors, ...
    • NASA-LLIS-1386 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The use of ErgoMasterTM software requires precise photos of operation being analyzed in order to attain accurate results.
      Subject(s) : Human Factors ,
    • NACA-TR-793 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1944
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An experimental investigation concerned primarily with the extension of test data on the drag of revolving disks, cylinders, and streamline rods to high Mach numbers and Reynolds numbers is presented.
      Subject(s) : CYLINDERS , DISKS , DRAG , HIGH REYNOLDS NUMBER , MACH NUMBER , REVOLVING , RODS ,
    • NASA/SP-2010-576 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Scope and Depth
      This handbook provides guidance for conducting risk-informed decision making in the context of NASA risk management (RM), with a focus on the types of direction-setting key decisions ...
    • NASA NPD 9050.1 REV B W/CHG 1-2 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      a. This NPD is applicable to NASA Headquarters and NASA Centers, including Component Facilities, and Technical and Service Supports Centers.
      b. In this NPR, all mandatory actions ...
    • NASA-CR-61365 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An analysis was made to determine the effects of Mach number and Reynolds number on the local and total crossflow drag characteristics of ogive-cylinders and ogive-cylinder-frustum-cylinders at angles of the MSFC 14 in TWT ...
      Subject(s) : AERODYNAMIC , ANGLE , ATTACK , CHARTS , DRAG , FORCES , GRAPHS , MACH , NUMBER , OGIVES , REYNOLDS ,
    • NACA-RM-L52K19 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1952
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTON
      The bulk of available design data for supersonic aircraft and missiles lies. in the speed range up to a Mach number of roughly 2. A considerable increase has recently occurred in contemplated design speeds, ...
    • NACA-TN-1947 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1949
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The introduction of a gas or a vapor into an air stream for Purposes of heating or cooling the air stream may be easily accomplished by the use of a high-velocity jet directed perpendicularly to the air ...
      Subject(s) : AIR , FLOW , JETS , NUMBER , ORIFICES , REYNOLDS ,