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

Now showing items 3441-3460 of 3613

    • NASA-LLIS-1162 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Potential Common Mode Failure Potential for Hydraulic Lines in Close Proximity to Each Other
      Subject(s) : Aerospace Safety Advisory Panel , Flight Operations , Risk Management/Assessment , Spacecraft ,

    • NASA-LLIS-5877 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An employee at the Property Disposal Facility decided to remove two magnets attached to a core element identified as scrap metal. The magnets collided together severing a portion of the right thumb at the first joint.

    • NASA-LLIS-0778 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Each flight project provides requirements for defining and implementing a contamination control program applicable to the hardware for the program. The program consists first in defining the ...

    • NASA-LLIS-1610 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A senior individual with decades of experience on many space flight projects, including several Xvehicle programs, has made the observation that the engineering data is consistently reduced ...
      Subject(s) : Policy & Planning , Program and Project Management , Risk Management/Assessment , Safety & Mission Assurance ,

    • NACA-TR-823 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1945
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An analysis has been made of available data on vee tail surfaces. Previously published theoretical studies of vee tails have been extended to include the control effectiveness and control forces in addition to the stability. ...
      Subject(s) : AERODYNAMIC , AIRCRAFT , CHARACTERISTICS , CONTROL , DESIGN , SPIN , STABILITY ,

    • NASA-STD-6001 REV B 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      The purpose of this Standard is to establish National Aeronautics and Space Administration (NASA) program requirements for evaluation, testing, and selection of materials to preclude unsafe ...

    • NASA-LLIS-0920 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During the construction of a Mod and Rehab project an unforeseen field condition was encountered when an abandoned piece of ductwork insulated with asbestos was found. ...

    • NACA-TN-3814 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A wind-tunnel investigation has been made at low speed to determine the effects of vertical fins placed ahead of the vertical tail on the directional stability and damping-in-yaw characteristics of a swept-wing model under ...
      Subject(s) : AIRPLANES , COMBINATIONS , DAMPING , DERIVATIVES , DIRECTIONAL , DYNAMIC , FUSELAGE , LATERAL , STABILITY , STATIC , TAIL , WING ,

    • NASA-TM-X-3316 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1975
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The elastic fracture toughness of the three steels is shown to not decrease significantly with decreasing temperature from room temperature to about 244 K (-20 F.). The elastic fracture toughness of the three steels increased ...
      Subject(s) : CHARPY IMPACT TEST , CRACKING (FRACTURING) , DUCTILITY , FATIGUE (MATERIALS) , FRACTURE STRENGTH , IMPACT LOADS , PRESSURE VESSELS , STEELS , STRESS ANALYSIS , TABLES (DATA) , TEMPERATURE EFFECTS ,

    • NASA-LLIS-2917 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The ARES I-X did not apply individual wire harness identification sleeves on the electrical wiring. Wire IDs were used in the Space Shuttle Program and were an important part of the Orbiter ...
      Subject(s) : Acquisition / procurement strategy and planning , Engineering design and project processes and standards , Ground processing and manifesting ,

    • NACA-TR-1135 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This report, which is a revision and extension of NACA-TN-1428, presents a compilation of equations, tables, and charts useful in the analysis of high-speed flow of a compressible fluid. The equations provide relations for ...
      Subject(s) : AIR , CHARTS , COMPRESSIBLE , DATA , DIMENSIONAL , EQUATIONS , EXPANSION , FLOW , GAS , GRAPHS , MACH , MEYER , NORMAL , NUMBER , OBLIQUE , ONE , PRANDTL , RATIOS , SHOCK , SUBSONIC , SUPERSONIC , TABLES , WAVES ,

    • NASA-LLIS-0517 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During a drop test at the NASA Plum Tree Island Test Facility, a model was severely damaged due to failure of its parachute recovery system. The failure of the recovery ...
      Subject(s) : Aircraft , Range Operations , Test Article ,

    • NASA-LLIS-1373 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      DFRC had a dozen large diameter (20"+/-) fire water sectional valves located in large vaults around the flight line. The requirement was to backfill these vaults with ...
      Subject(s) : Facilities ,

    • NACA-TN-3793 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Tests were made at a mean inlet Mach number of 0.2 with area suction applied to conical diffusers with expansion angles of 30 degrees and 50 degrees and exit to inlet area ratios of 2. Air-flow separation was eliminated ...
      Subject(s) : BOUNDARY-LAYER CHARACTERISTICS - INTERNAL AERODYNAMICS , BOUNDARY-LAYER CONTROL - INTERNAL AERODYNAMICS , DIFFUSERS , SUBSONIC ,

    • NASA-NGR-17-002-043 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1968
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Systematic wind tunnel investigations of vortex breakdown have been conducted on sharp-edged delta and modified delta wings with sweep angles from 45° to 85° at Reynolds numbers of about 1 x 106, ...

    • NASA-LLIS-0130 

      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 units contain a vacuum pump driven by 1/2 HP electric motor, a shutoff valve, a vacuum break valve and an oil trap tank. The -1 and -2 units consist of GFE previously ...
      Subject(s) : Ground Equipment , Hardware ,

    • NASA-LLIS-1133 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Compromising of the current Data Encryption Standard (DES)
      Subject(s) : Aerospace Safety Advisory Panel , Computers , Flight Operations , Security , Spacecraft ,

    • NASA-LLIS-2496 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      On two simultaneous sounding rocket missions, science instrument high voltage power supplies experienced in-flight failure. A subsequent investigation discovered that the OHMITE Maxi-Mox ...
      Subject(s) : Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Crew Survival Systems , Engineering Design (Phase C/D).Launch Systems , Engineering Design (Phase C/D).Orbiting Vehicles , Engineering Design (Phase C/D).Power , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instuments , Safety and Mission Assurance. , Safety and Mission Assurance.Advanced planning of safety systems , Safety and Mission Assurance.Early requirements and standards definition , Safety and Mission Assurance.Reliability , Systems Engineering and Analysis. , Systems Engineering and Analysis.Engineering design and project processes and standards , Systems Engineering and Analysis.Mission and systems trade studies ,

    • NACA-TR-781 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1944
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This report outlines the flight conditions that are usually critical in determining the design of components of an airplane which affect its stability and control characteristics. The wind-tunnel tests necessary to determine ...

    • NASA-LLIS-0754 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Contamination of space optical systems is controlled through the use of proper design techniques, selection of proper materials, hardware/component precleaning, and maintenance of cleanliness ...