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

Now showing items 1201-1220 of 3613

    • NASA-LLIS-0369 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During a walk-through of the Galileo Spacecraft System fault protection implementation a possible "deadly embrace" in the flight software was uncovered. A deadly embrace ...
      Subject(s) : Software , Test & Verification ,

    • NASA-LLIS-2038 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Following vibration test and bakeout of the OSTM Advanced Microwave Radiometer (AMR) Reflector Structure Assembly (RSA), it was discovered that thermal stress had caused delamination in the ...
      Subject(s) : 1.Flight Equipment , 1.Hardware , 1.Parts , Materials & Processes , 1.Payloads , 1.Quality , 1.Reliability , 1.Review systems and boards , 1.Spacecraft , 1.Spacecraft and Spacecraft Instruments , 1.Test & Verification ,

    • NASA-LLIS-1076 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Line-Replaceable Unit (LRU) Restoration and Upgrading.
      Subject(s) : Aerospace Safety Advisory Panel , Logistics , Parts Materials & Processes , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance ,

    • NACA-RM-A8I29 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      A research program was conducted in the Ames 16-foot high-speed wind tunnel which, in conjunction with work in an Ames 7- by 10-foot wind tunnel, continued the investigation of NACA submerged inlets developed ...
      Subject(s) : BODIES , DUCTED , INLETS , SIDE , SUBMERGED ,

    • NASA-LLIS-0603 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Several JPL flight projects obtained low cost, commercial quality, hybrid DC-DC power converters from a single vendor that proved unsuitable in some intended applications. Hybrid power supplies ...
      Subject(s) : Parts Materials & Processes , Parts Procurement , Test & Verification ,

    • NASA-LLIS-1764 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2006
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      CFMA is an ongoing NASA activity that was initiated following the March 2000 HESSI spacecraft overtest incident that severely damaged the spacecraft. CFMA is a comprehensive assessment of ...
      Subject(s) : Additional Categories.Facilities , Additional Categories.Flight Equipment , Additional Categories.Flight Operations , Additional Categories.Ground Equipment , Additional Categories.Ground Operations , Additional Categories.Hardware , Additional Categories.Payloads , Additional Categories.Risk Management/Assessment , Additional Categories.Safety & Mission Assurance , Additional Categories.Spacecraft , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Integration and Testing , Mission Operations and Ground Support Systems.Logistics and maintenance , Program Management. , Program Management.Cross Agency coordination , Program Management.Risk management , Safety and Mission Assurance.Advanced planning of safety systems , Safety and Mission Assurance.Maintenance , Safety and Mission Assurance.Product Assurance , Safety and Mission Assurance.Reliability , Systems Engineering and Analysis.Planning of requirements verification processes ,

    • NASA-TP-1785 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1980
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The local and general buckling behavior of graphite/polyimide sandwich panels simply supported along all four edges and loaded in uniaxial edgewise compression were investigated. Material properties of sandwich panel ...
      Subject(s) : COMPOSITES , COMPRESSION , DATA , GRAPHITE , HIGH , HONEYCOMB , LOADS , POLYIMIDE , SANDWICH , STABILITY , STRUCTURAL , STRUCTURES , TABLES , TEMPERATURE , TESTS ,

    • NASA-LLIS-1492 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      In November of 2003, the NASA Engineering and Safety Center (NESC) performed an Independent Technical Assessment of the Code Y CALIPSO satellite Proteus propulsion bus (ref. NESC Final Report ...
      Subject(s) : Flight Equipment , Ground Operations , NASA Standards , Program and Project Management , Range Operations , Risk Management/Assessment , Safety & Mission Assurance , Spacecraft ,

    • NASA-LLIS-0455 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1991
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A flight life support system battery leaked when a vendor substituted the certified material with a substitute in the manufacturing of the relief valves and the electrolyte ...
      Subject(s) : Parts Materials & Processes , Safety & Mission Assurance ,

    • NASA-LLIS-0300 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Two aircraft maintenance personnel were preparing a test run on engine No.2 of a NASA turboprop aircraft at Ellington Field. During the bleeding of air from the engine ...

    • NASA-TN-D-7739 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1974
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A theoretical investigation was conducted to determine the importance of the lateral acceleration (beta) derivatives in the extraction of lateral-directional stability derivatives for swept wing airplanes at high angles ...
      Subject(s) : ACCELERATION , ACQUISITION , AERODYNAMIC , ANALYSIS , ANGLE , ATTACK , COEFFICIENTS , DATA , DERIVATIVES , DIRECTIONAL , ERROR , LATERAL , NUMERICAL , PHYSICS , STABILITY ,

    • NASA-LLIS-1271 

      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 partnering of new safety initiative projects that focus on workforce risk reduction, collateral damage reduction, or increasing maintainability of human error in Shuttle ...
      Subject(s) : Administration/Organization , Financial Management , Flight Operations , Ground Operations , Human Factors , Policy & Planning , Procurement Small Business & Industrial Relations , Risk Management/Assessment , Safety & Mission Assurance ,

    • NACA-RM-L53F09 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A systematic research program is being conducted in the Langley high-speed 7- by 10-foot tunnel to determine the aerodynamic characteristics in pitch and sideslip of a series of wing plan forms at high subsonic speeds. ...

    • NASA NPR 8621.1 REV B W/CHG 7 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2013
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      a. The purpose of this NASA Procedural Requirements (NPR) is to provide requirements to report, investigate, and document mishaps, close calls, and previously unidentified serious workplace ...

    • NASA/TP-1998-208705 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The history of Laminar Flow Control (LFC) from the 1930s through the 1990s is reviewed and the current status of the technology is assessed. Early studies related to the natural laminar boundary-layer flow physics, ...
      Subject(s) : BOUNDARY LAYER CONTROL , FLIGHT TESTS , FLOW CHARACTERISTICS , FLOW MEASUREMENT , FLOW STABILITY , GENERAL OVERVIEWS , HISTORIES , LAMINAR BOUNDARY LAYER , LAMINAR FLOW , SUCTION , THERMAL BOUNDARY LAYER , WIND TUNNEL TESTS ,

    • NASA-LLIS-0039 

      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 mass SPEC is used to leak check the SSME heat exchanger (HEX) coil, to evacuate the MPS fuel vacuum jacketed (VJ) lines and for external leak checks using the hand-held ...
      Subject(s) : Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Hardware , Launch Process , Launch Vehicle , Parts Materials & Processes ,

    • NASA-STD-2821 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      This standard establishes requirements and responsibilities related to NASA audio and video resources for Internet Protocol delivery. It contains requirements for audio and video codecs, bitrates ...

    • NASA-LLIS-1048 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Certification of the Super Light Weight Tank (SLWT)
      Subject(s) : Aerospace Safety Advisory Panel , Cryogenic Systems , Ground Operations , Parts Materials & Processes , Policy & Planning , Pressure Vessels , Risk Management/Assessment , Safety & Mission Assurance , Test & Verification ,

    • NASA-LLIS-0696 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      A spectral (frequency domain) technique is used to estimate the design fatigue life and reliability of structural and mechanical components subject to randomly varying stress.

    • NACA-WR-L-449 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1941
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation has been made in the NACA 7- by 10- foot wind tunnel of a large-chord NACE 23021 airfoil with a 15-percent-chord and a 25-percent-chord balanced split flap of 01ark Y profile, to determine the aerodynamic ...
      Subject(s) : AIRFOILS , BALANCED , CHAR , CLARK , FLAPS , FOWLER , MOMENTS , NACA , ORDINATES , SLOTTED , SPLIT , WING ,