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

Now showing items 2401-2420 of 3613

    • NASA-LLIS-0294 

      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 rubber seal friction force was being measured in an altitude tank between a plate and an inlet flow duct when the mishap occurred. The failure occurred at an inlet test ...
      Subject(s) : Hardware ,

    • NASA-TN-D-4821 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1968
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Effect of geometry of conical afterbodies on base drag at subsonic and transonic speeds
      Subject(s) : AFTERBODIES , AXISYMMETRIC , BOATTAILS , BODIES , BOUNDARY , CHARTS , CONICAL , DRAG , FLOW , FREE , GEOMETRY , GRAPHS , LAYER , MACH , MODELS , NUMBER , PRESSURE , REYNOLDS , SUBSONIC , TRANSONIC , TUNNEL , WIND ,

    • NASA-LLIS-1235 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      NASA is studying competitive sourcing of the Space Shuttle Program.
      Subject(s) : Aerospace Safety Advisory Panel , Policy & Planning , Procurement Small Business & Industrial Relations , Risk Management/Assessment , Safety & Mission Assurance ,

    • NACA-RM-L8H10 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Estimation of the dynamic flight characteristics of aircraft requires a knowledge of the forces and moments resulting from the angular motions of the airplane. The relationship between the forces and moments ...

    • NACA-RM-L53K30 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The performance of an annular-diffuser-tailpipe combination with an abrupt area expansion was investigated with and without flow controls in the form of suction, injection, and vortex generators. The diffuser bad a ...

    • NASA-TN-D-6124 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Analysis of normal accelerations through center of gravity of aircraft due to landing impacts and ground operations associated with taxi, takeoff, and landing.
      Subject(s) : ACCELERATION (PHYSICS) , DATA ACQUISITION , DECELERATION , IMPACT LOADS , INSTRUMENTS , JET AIRCRAFT , LANDING LOADS , TAXIING , TRANSPORT AIRCRAFT ,

    • NASA-STD-6008 W/CHG 1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2013
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      This standard establishes fastener procurement, receiving inspection, and storage practices for all fasteners used for spaceflight hardware that are procured, received, tested, inventoried, or ...

    • NASA-LLIS-0346 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Although inherited designs were to be used extensively, many Mars Observer spacecraft subsystems were so extensively modified over the 8-plus year development period that their heritage was ...
      Subject(s) : Spacecraft ,

    • NASA-LLIS-2057 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Vapor deposited aluminum (VDA) coating, performed according to specification on the OSTM/ Jason-2 AMR reflector, caused discontinuities that required rework using a modified VDA process. VDA ...
      Subject(s) : Additional Categories.Flight Equipment , Additional Categories.Hardware , Additional Categories.Parts , Materials , & Processes , Additional Categories.Payloads , Additional Categories.Spacecraft , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Manufacturing and Assembly , Systems Engineering and Analysis.Engineering design and project processes and standards ,

    • NASA-LLIS-1090 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      An apparent momentary dropout of the Command Destruct Receiver initiated an abort during the launch of a Pegasus vehicle.
      The lesson offers 10 recommendations (dealing mostly with mission ...
      Subject(s) : Administration/Organization , Aircraft , Air-Traffic Management , Communication Systems , Configuration Management , Flight Equipment , Flight Operations , Human Factors , Launch Process , Logistics , Mishap Reporting , Policy & Planning , Range Operations , Spacecraft ,

    • NASA-LLIS-0082 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      While dynatube leak checks were completed, manifolds were vented to ambient pressure. This allowed thrusters to leak. After the third flow, engineer positioned ullage valve ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Hardware , Parts Materials & Processes , Pressure Vessels ,

    • NACA-RM-A50J26 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1950
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      In an effort to surmount the problems which arise with flight at transonic or supersonic speeds, many unconventional wing plan forms have been proposed. One of these, the delta or triangular wing, has shown ...

    • NASA-LLIS-0716 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Perform thorough testing of all flight deployable appendages, including the design, analysis, fabrication and checkout of the test facility and related hardware; the planning and conducting ...

    • NASA NPR 9010.3 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      This NASA Procedural Requirements (NPR) document provides the financial management requirements for the financial management internal control program.
      APPLICABILITY
      This ...

    • NASA-LLIS-1796 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2007
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A waveguide transfer switch failed five months after the insertion of Mars Reconnaissance Orbiter into Mars orbit. The likely cause was debris-induced RF breakdown that pyrolized a polyimide ...
      Subject(s) : Additional Categories. , Additional Categories.Communication Systems , Additional Categories.Flight Equipment , Additional Categories.Flight Operations , Additional Categories.Hardware , Additional Categories.Risk Management/Assessment , Additional Categories.Spacecraft , Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Orbiting Vehicles , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Missions and Systems Requirements Definition. , Missions and Systems Requirements Definition.Planetary entry and landing concepts , Safety and Mission Assurance. , Safety and Mission Assurance.Reliability , Systems Engineering and Analysis. , Systems Engineering and Analysis.Mission and systems trade studies , Systems Engineering and Analysis.Mission definition and planning ,

    • NASA-TP-3099 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1991
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An experimental investigation was conducted to determine the effect of Reynolds number (separate from boundary layer thickness) and the effect of yaw angle on the pressure distribution in a rectangular-box cavity. The ...
      Subject(s) : ANGLES , BOUNDARY , CAVITIES , DISTRIBUTION , FLOW , GEOMETRY , HIGH , LAYER , MACH , NUMBER , PRESSURE , REYNOLDS , STATIC , SUBSONIC , TESTS , TRANSONIC , TUNNEL , TURBULENT , WIND , YAW ,

    • NASA-LLIS-1507 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Plans, procedures, and policies must be robust enough to withstand the inevitable change in schedules, budgets, and risks.
      Subject(s) : Communication Systems ,

    • NASA-TN-D-103 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1959
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A low-speed wind-tunnel investigation has been made at a Reynolds number of 0.9 X 106 to determine the longitudinal aerodynamic characteristics of a double slotted flap on a wing swept back 35º at the quarter ...
      Subject(s) : AERODYNAMIC , AIRCRAFT , ASPECT , CHARACTERISTICS , COEFFICIENTS , CONFIGURATIONS , DESIGN , DEVICES , FLAPS , FUSELAGES , LIFT , MODELS , NUMBER , RATIO , REYNOLDS , SLOTS , SWEPTBACK , TESTS , TRANSPORT , TUNNEL , WIND , WING , WINGS ,

    • NASA NPD 3713.2 REV I 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      This NASA Policy Directive (NPD) is applicable to NASA Headquarters and Centers, including Component Facilities and Technical and Service Support Centers.

    • NASA-LLIS-1015 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Shift From Design Philosophy for Micrometeoroid Debris Penetration Scenarios to Flight Operations Strategies for Hazard Detection, Assessment, and Control.
      Subject(s) : Aerospace Safety Advisory Panel , Emergency Preparedness , Flight Operations , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance , Spacecraft ,