Now showing items 3041-3060 of 3613

    • NACA-RM-A9C21 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1949
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      A coordinated program is being conducted at Ames Aeronautical Laboratory t o provide information throughout an extensive range of Mach and Reynolds numbers on a wing-fuselage combination employing a wing ...
    • NASA-LLIS-0703 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Maintain part junction temperatures during flight below 60°C. (Short-term mission excursions associated with transient mission events are permissible.)
    • NASA-LLIS-1771 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2006
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The potential for separated items to regain contact and damage the spacecraft has posed a significant risk to recent, current, and planned JPL missions, and it may have been a factor in the ...
      Subject(s) : Additional Categories. , Additional Categories.Flight Equipment , Additional Categories.Flight Operations , Additional Categories.Hardware , Additional Categories.Payloads , Additional Categories.Spacecraft , Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Entry Systems , Engineering Design (Phase C/D).Lander Systems , Engineering Design (Phase C/D).Robotics , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Integration and Testing , Missions and Systems Requirements Definition. , Missions and Systems Requirements Definition.Planetary entry and landing concepts , Systems Engineering and Analysis. , Systems Engineering and Analysis.Engineering design and project processes and standards , Systems Engineering and Analysis.Level II/III requirements definition ,
    • NASA-TP-1889 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1981
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An experiment was conducted to determine wing-alone supersonic aerodynamic characteristics at high angles of attack. The wings tested varied in aspect ratio from 0.5 to 4.0 and in taper ratio from 0 to 1.0. The wings were ...
      Subject(s) : AERODYNAMIC , ANGLE , ASPECT , ATTACK , CHARACTERISTICS , DATA , DISTRIBUTION , MACH , NUMBER , PRESSURE , RATIO , SPEED , SUPERSONIC , TABLES , WINGS ,
    • NASA-LLIS-1496 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Orbital Space Plane (OSP) Program did not have effective relationships with the related programs at all working levels. This could have been resolved by a Memorandum of Understanding ...
      Subject(s) : Communication Systems , External Relations , Financial Management , Research & Development , Risk Management/Assessment , Spacecraft , Standard , Test & Verification , Transportation ,
    • NASA-LLIS-0482 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During laboratory system level integration and testing for a GSFC satellite at a contractor's facility, testing was delayed or reordered because of problems with the ...
      Subject(s) : Administration/Organization , Policy & Planning , Test & Verification ,
    • NASA-LLIS-0254 

      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 five liter, glass lined, liquified gas dewar exploded after workers completed a transfer of liquid nitrogen from it. The explosion propelled fragmented glass from both ...
      Subject(s) : Cryogenic Systems , Personal Protective Equipment ,
    • NASA-LLIS-1276 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Problems encountered late in the test cycle on some articles, due to lack of rigorous peer review.
      Subject(s) : Flight Equipment , Hardware , Policy & Planning , Risk Management/Assessment , Software , Spacecraft ,
    • NACA-RM-L53H21 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Considerable interest is shown currently in the aerodynamic characteristics of bodies of revolution at supersonic speeds and special attention is shown to the Reynolds number for transition and to the ...
    • NASA-TR-R-139 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1962
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Induced fluid flow - lift and drag theory of nonplanar lifting surfaces.
      Subject(s) : CURVATURE , DRAG , FLUID FLOW , INDUCED FLUID FLOW , LIFT DEVICES , LIFTING SURFACE , MINIMUM DRAG ,
    • NASA-LLIS-0321 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Data indicates that there have been several deployment failures which were attributable to inadequate design.
      Subject(s) : Hardware , Parts Materials & Processes ,
    • NASA-LLIS-0093 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      An access panel located at the aft end of the orbiter just right of the rudder, broke loose from its attaching hardware and the contamination air plenum. The access panel ...
      Subject(s) : Flight Equipment , Hardware , Launch Vehicle , Lifting Devices ,
    • NASA NPD 7010.1 REV K W/CHG 1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      This NPD applies to NASA Headquarters and Centers, including Component Facilities.
      Nothing in this NPD shall be construed as limiting the Inspector General's responsibility or duty ...
    • NASA-LLIS-1053 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Increased Cannibalization Trends
      Subject(s) : Aerospace Safety Advisory Panel , Logistics , Parts Materials & Processes , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance ,
    • NASA-LLIS-0700 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Use a fracture mechanics formulation to estimate the design fatigue life and reliability of metallic or ceramic structural and mechanical components subject to fluctuating stress. For reusable ...
    • NASA NPD 1440.6 REV H 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY. a. This NPD applies to NASA Headquarters and NASA Centers, including Component Facilities; and to contractors or other entities who create and/or maintain records for, or on behalf of, NASA as specified in ...
    • NACA-MR-L5L11 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1946
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      At the request of the Bureau of Aeronautics, Navy Department, test were conducted in the Langley two-dimensional, low-turbulence tunnels of three 24-inch-chord airfoil models representing ...
      Subject(s) : AIRFOILS , CHAR , DIM , DRAG , F6U , FLAPS , LOW , MOMENTS , NACA , ORDINATES , PRESSURE , SLO , SLOTTED , TESTS , TUNNEL , TURBULENCE , VOUGHT , WIND , WING , WINGS ,
    • NASA-LLIS-1709 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Detailed analysis of spacecraft telemetry shows that Chandra was likely impacted by a micrometeoroid on 15 November 2003. Analysis of subsystem telemetry showed no ill effects on the primary ...
      Subject(s) : Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Crew Survival Systems , Engineering Design (Phase C/D).Environmental Control and Life Support Systems , 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.Mission concepts and life-cycle planning , Program Management. , Program Management: Risk Management , Safety and Mission Assurance. , Safety and Mission Assurance.Early requirements and standards definition , Safety and Mission Assurance.Maintenance , Safety and Mission Assurance.Product Assurance , Safety and Mission Assurance.Reliability , Systems Engineering and Analysis. , Systems Engineering and Analysis.Long term sustainability and maintenance planning ,
    • NASA-LLIS-1481 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Nav Team renamed a lighttime file (LTF) prepared for a previous mission for use on a current mission without changing the file creation time recorded in the file header. This error caused ...
      Subject(s) : Command and Data Subsystem (CDS) , command data integrity , Command File Element , Communication Systems , configuration control , Configuration Management , File Data , File Text Name , File Title , Flight Operations , Ground Equipment , Information Technology/Systems , Policy & Planning , Safety & Mission Assurance , SFDU Field Specification Table , Software , software quality assurance , Spacecraft , spacecraft commanding , SQA ,
    • NASA NPR 9095.1 

      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 requirements for the chartering, and financial management of NASA Working Capital Fund (WCF) business entities. This NPR also provides ...