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

Now showing items 1081-1100 of 3613

    • NASA-LLIS-0326 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Spacelab did not have standard utility interfaces at each rack, thus each experimenter or the integration organization had to provide design and routing for each required ...
      Subject(s) : Flight Equipment , Hardware , Logistics , Payloads , Spacecraft ,

    • NASA-TN-D-552 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1960
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A series of unbraked (freely rolling) taxi tests were conducted at the Langley landing-loads track with a 32 x 8.8, type 7, 22-ply-rating ribbed-tread aircraft tire to obtain data on tire retardation forces developed during ...
      Subject(s) : ACCELERATION (PHYSICS) , AERODYNAMIC COEFFICIENTS , AERODYNAMIC DRAG , AIRCRAFT TIRES , JET AIRCRAFT , RETARDING , RUNWAYS , SLUSH , TAKEOFF , WATER ,

    • NASA-LLIS-5477 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: When fuel cell power plants (FCPs) were developed for the Space Shuttle, KSC had minimal capability to repair them. As a result, even FCPs needing only minor repairs had to be returned to the vendor for repair. In the ...
      Subject(s) : Acquisition / procurement strategy and planning , Cryogenic Systems , Engineering design and project processes and standards , Ground processing and manifesting , Ground support systems , Human factors planning , Launch Vehicle , Parts , Materials , & Processes , Power , Requirements critical to costing and cost credibility ,

    • NASA-LLIS-1060 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      International Space Station (ISS) Computer Hardware Upgrades.
      Subject(s) : Aerospace Safety Advisory Panel , Hardware , Information Technology/Systems , Policy & Planning , Research & Development , Risk Management/Assessment , Safety & Mission Assurance , Software , Spacecraft , Test & Verification ,

    • NACA-RM-A7I30 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      For the development of a satisfactory air-induction system of an aircraft, several aerodynamic criteria must be evaluated in conjunction with those involving structural design and installation. ...

    • NASA-LLIS-0674 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Well made, clamped, and temperature stabilized circular O-rings should be used in the design of reliable, reusable and long life seals in vacuum sealing applications.

    • NASA-LLIS-1716 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Power cables in tight power cabinets are susceptible to damage from penetrating fasteners.
      Subject(s) : Additional Categories. , Additional Categories.Configuration Management , Additional Categories.Energy , Additional Categories.Facilities , Additional Categories.Personal Protective Equipment , Additional Categories.Risk Management/Assessment , Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Power , Manufacturing and Assembly , Safety and Mission Assurance. , Safety and Mission Assurance.Maintenance , Safety and Mission Assurance.Quality ,

    • NASA-LLIS-1486 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Formal, archival documentation of the original investigation and the subsequent tests and analyses conducted to resolve the problem of the cracks found in the flowliners at the gimbal joint ...
      Subject(s) : Program and Project Management ,

    • NASA NPR 9260.1 

      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 the financial management requirements for handling the accounting for NASA Unfunded Liabilities, Unearned Revenues, Other Liabilities, ...

    • NASA NPR 3335.1 REV H 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      a. NASA's Competitive Placement Plan
      (1) This NPR provides the procedures and requirements of NASA's Competitive Placement Plan. This NPR shall be used in conjunction with ...

    • NACA-RM-L8D06 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      As a part of the general investigation of the landing characteristics of wings for transonic and supersonic airplanes, tests have been made in the Langley full-scale tunnel to determine the aerodynamic ...

    • NASA-STD-8739.1 REV A W/CHG 2 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This standard prescribes NASA's technical requirements, procedures, and documentation requirements for polymeric applications for electrical and electronic assemblies.
      Purpose
      This publication sets ...

    • NASA-LLIS-0439 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A rotating prism motor aboard the TOPEX spacecraft experienced a sudden in-flight failure due to the use of perfluoropolyalkyether (PFPE) based lubricant on titanium bearings. Pure titanium ...
      Subject(s) : Hardware , Parts Materials & Processes ,

    • NACA-TN-1291 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      In order to provide fundamental design data the National Advisory Committee for Aeronautics has undertaken the expedient of publishing collections of data obtained in specific investigations and, whenever ...
      Subject(s) : AIRFOILS , CHAR , CLARK , ELEVATORS , END , HINGE , HORIZONTAL , LIFT , LIFTING , MOMENTS , NACA , ORDINATES , ORDINATS , PLATES , SURFACE , SURFACES , TAIL , THEORIES ,

    • NASA-TN-D-7099 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1972
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation has been conducted to determine the effects of wing camber and twist on the longitudinal aerodynamic characteristics of a wingbody configuration. Three wings were used each having the same planform (aspect ...
      Subject(s) : AERODYNAMIC , AIRCRAFT , CAMBER , COEFFICIENTS , CONFIGURATIONS , PERFORMANCE , PLANFORMS , SPEED , STABILITY , SUBSONIC , SWEPTBACK , WING , WINGS ,

    • NASA-LLIS-1256 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Prior to selecting a project to be funded, we rank each project against an AHP model that was based on the values of the program. We placed a 5 maximum user limitation on ...
      Subject(s) : Software ,

    • NACA-RM-L52C11 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1952
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      As part of a broad program to investigate the low-speed aerodynamic characteristics of sweptback wings, the static longitudinal stability characteristics of a 450 sweptback wing of aspect ratio ...

    • NASA-TN-D-8151 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1976
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The fundamentals of fluid sealing, including seal operating regimes, are discussed and the general fluid-flow equations for fluid sealing are developed. Seal performance parameters such as leakage and power loss are ...
      Subject(s) : BOUNDARY LAYERS , FLUIDS , FRICTION , LAMINAR FLOW , LEAKAGE , LUBRICATION , PERFORMANCE , SEALS (STOPPERS) , SURFACE DISTORTION , TURBULENT FLOW , WEAR ,

    • NASA-LLIS-1071 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Effects of Radiation Exposure on ISS Expedition Crews.
      Subject(s) : Aerospace Safety Advisory Panel , Flight Operations , Medical , Occupational Health , Risk Management/Assessment , Safety & Mission Assurance ,

    • NASA NPR 8530.1 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      Consistent with responsible environmental stewardship as defined in the NASA 2003 Strategic Plan, NASA's Environmental Management Policy Directive (NPD) 8500.1, and consistent with the requirements ...