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

Now showing items 921-940 of 3613

    • NASA NPD 8900.4 REV D 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      This NPD is applicable to NASA Headquarters and NASA Centers, including Component Facilities, and the Jet Propulsion Laboratory (JPL) as specified in the contract.

    • NASA-LLIS-1512 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The QMI furnace required custom-designed Type C Thermocouples (TC) to meet the scientific requirements for the hardware. In implementing the custom requirement set and associated verification ...
      Subject(s) : Independent Verification and Validation , Program and Project Management , Research & Development , Risk Management/Assessment , Spacecraft , Test & Verification ,

    • NASA-LLIS-1801 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      There was a continual struggle for acceptance of Human Engineering, during the evolution of the SLI and OSP programs. The status, visibility, responsibilities, resources, and authority of ...
      Subject(s) : Systems Engineering and Analysis. ,

    • NACA-TR-528 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1936
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This report presents the results of an investigation conducted in the NACA 7 by 10-foot wind tunnel of control surfaces equipped with tabs for reducing the control forces or trimming the aircraft. Two sizes of ordinary ...

    • NASA-TN-D-318 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1960
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation of propeller performance, including in-plane forces and out-of-plane moments, has been made for three propellers operating through a range of thrust-ads angles of attack from O° (horizontal) to 85°. ...
      Subject(s) : AERODYNAMIC , AIR , AIRCRAFT , ANGLE , ATTACK , BLADES , CHARACTERISTICS , FLOW , PROPELLER , PROPELLERS , STOL , TESTS , TUNNEL , WIND ,

    • NASA-CR-3295 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1983
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Analytical design and wind tunnel test evaluations covering the feasibility of applying wing tip extensions, winglets, and active control wing had alleviation to the model B747 are described. Aerodynamic improvement offered ...
      Subject(s) : AERODYNAMIC CONFIGURATIONS , AIRCRAFT CONFIGURATIONS , AIRCRAFT CONTROL , AIRCRAFT DESIGN , BOEING 747 AIRCRAFT , DESIGN ANALYSIS , WIND TUNNEL TESTS , WING TIPS , WINGLETS ,

    • NASA-LLIS-0496 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A defective weld in the combustion chamber of the Mars Global Surveyor main engine resulted in destruction of the engine within the first few seconds of test. Conduct a thorough external and ...
      Subject(s) : Hardware , Test Article ,

    • NASA-LLIS-0268 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Functional testing of the ASTROS Star Tracker Electronic Assembly revealed a hairline crack that appeared to have been caused by lead bending tools used to form the part leads for installation. ...
      Subject(s) : Cracked Components , Parts Materials & Processes ,

    • NASA-TN-D-8133 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1975
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was made in the Langley V/STOL tunnel to determine, by the trailing wing sensor technique, the effectiveness of a large change in span load distribution, a forward-mounted spoiler, and a trailing drag ...
      Subject(s) : AIRCRAFT , CONTROL , FLAPS , FLIGHT , HAZARDS , LOADING , LOW , MODELS , SPEED , SPLINES , SPOILERS , SURFACES , TRANSPORT , TUNNEL , TUNNELS , VORTICES , WIND , WING ,

    • NASA-LLIS-1329 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The Physics of Colloids in Space (PCS) experiment was launched on ISS Flight 6A in April 2001, was activated in EXPRESS Rack 2 on May 31, 2001, and was successfully operated ...
      Subject(s) : Computers , Flight Equipment , Flight Operations , Hardware , Payloads , Safety & Mission Assurance , Software ,

    • NACA-RM-L54L06 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1955
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The experimentally determined effects of wing and tail position on the aerodynamic characteristics of generalized aircraft configurations can be of considerable usefulness to the designer in the estimation ...

    • NACA-TR-D-1374 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1958
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The similarity rules for linearized compressible flow theory (Gothert's rule and its supersonic counterpart) are extended to second order. It is shown that any second-order subsonic flow can be related to "nearly incompressible" ...
      Subject(s) : BODIES OF REVOLUTION , COMPRESSIBLE FLOW , CONES , CYLINDRICAL BODIES , FLOW THEORY , SIMILITUDE LAW , STEADY FLOW , SUBSONIC FLOW , SUPERSONIC FLOW , THREE DIMENSIONAL BODIES ,

    • NASA-TN-D-1057 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1961
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The approach and flare maneuvers for the first 30 flights of the X-15 airplane and the various control problems encountered are discussed. The results afford a relatively good cross section of landing conditions that might ...
      Subject(s) : AERODYNAMIC CHARACTERISTICS , AIRSPEED , ANGLE OF ATTACK , APPROACH , DESCENT , LANDING , LIFT DRAG RATIO , PILOT TRAINING , TOUCHDOWN , WIND TUNNEL TESTS , X-15 AIRCRAFT ,

    • NASA-LLIS-0336 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A uniquely designed external ram air exchanger has been analyzed and performance tested at the NASA Langley Research Center. The heat exchanger is attached externally to ...
      Subject(s) : Aircraft , Hardware ,

    • NASA-LLIS-1916 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Two single event upsets occurred during on-orbit processing of samples which can be attributed to radiation hits on the Pore Formation Mobility Investigation (PFMI) Smart Motors in the thermal ...
      Subject(s) : Engineering Design (Phase C/D). ,

    • NASA-LLIS-1079 

      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 Space Shuttle Main Engine (SSME) Power Setting for Intact Aborts.
      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-STD-4005 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2013
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This standard provides requirements relative to various plasma interactions that can result when a high-voltage system is operated in the Earth's ionosphere and standard practices to eliminate or mitigate such reactions. ...

    • NACA-RM-A8B11 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      A systematic investigation of the control surface characteristics, particularly the hinge moment parameters, of semi span horizontal tail surfaces has been undertaken by the NACA to provide experimental ...

    • NASA-LLIS-0596 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Serious programmatic difficulties arose during the period of performance on the Lewis Mission. These difficulties can be traced to Insufficient Understanding and Agreement ...
      Subject(s) : Administration/Organization , Policy & Planning , Procurement Small Business & Industrial Relations ,

    • NASA-LLIS-1527 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The X-43C Project budget and milestones were established well ahead of detailed cost and schedule analysis. Per Office of Aerospace Technology (OAT) policy at that time, no budget reserves ...
      Subject(s) : Administration/Organization , Financial Management , Policy & Planning , Program and Project Management ,