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

Now showing items 221-240 of 3613

    • NACA-RM-L7J15 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The increased attention to supersonic aircraft and missile design over the past few years has greatly accelerated the need for basic super-sonic aerodynamic information. Theoretical work has increasingly ...

    • NASA-TN-D-8252 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1976
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A test program was conducted at the Langley aircraft landing loads and traction facility to evaluate the friction characteristics of 20 x 4.4, type, aircraft tires constructed with experimental cut-resistant, tread rubber ...
      Subject(s) : AIRCRAFT TIRES , CONCENTRATION (COMPOSITION) , FRICTION , STANDARDS , SYNTHETIC RUBBERS , WEAR ,

    • NASA-LLIS-0302 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      After a wiring modification to the Galileo Computer Data System (CDS) wiring harness, a wire pulled out of a crimped contact barrel that was too large for the wire.
      When crimped contacts ...
      Subject(s) : Parts Materials & Processes , Test & Verification ,

    • NASA NPD 2092.1 REV B 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Applicability
      This Directive is applicable to NASA Headquarters and NASA Centers, including Component Facilities and Technical and Service Support Centers.
      This Directive applies to any invention ...

    • NASA-LLIS-1717 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2006
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Floor level procedures need to be unequivocal when steps are to be performed in sequence and as specified in procedural documentation.
      Subject(s) : Additional Categories. , Additional Categories.Configuration Management , Additional Categories.Energy , Additional Categories.Facilities , Additional Categories.Industrial Operations , Additional Categories.Policy & Planning , Manufacturing and Assembly , Program Management.Communications between different offices and contractor personnel ,

    • NASA-LLIS-1033 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Deep Space 1 (DS1) was a cost-capped, schedule-driven, technology validation project, designed to flight validate 12 advanced technologies that represented major breakthroughs over state-of-the-art ...
      Subject(s) : Autonomous Navigation , External Relations , Flight Qualification , Management and Planning , Payloads , Policy & Planning , Procurement Small Business & Industrial Relations , Risk Management/Assessment , Safety & Mission Assurance , Technology Plan , Technology Readiness Level ,

    • NASA NPR 8590.1 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      This NASA Procedural Requirements (NPR) describes the responsibilities and requirements by which NASA will formulate and execute the Environmental Compliance and Restoration (ECR) Program and ...

    • NASA-LLIS-6342 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Protuberances and cavities can have a significant impact on both the structural and thermal loads of a spacecraft. The outer mold line (OML) of future spacecraft should be as clean as possible, and all protuberances and ...

    • NASA-LLIS-0662 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Enhance system, subsystem, and component reliability by providing an uninterruptable power supply (UPS) system.

    • NACA-RM-A51A16 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The X-3 airplane, designed as a supersonic research airplane incorporating Such features as a thin low-aspect—ratio wing and a large fuselage, might be expected to present stability problems in ...

    • NASA-LLIS-1567 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A number of times, the Advanced Air Transportation Technologies (AATT) Project was directed to add, delete, and/or change the project focus of research, not only on existing agreed-to ATM ...
      Subject(s) : Aircraft , Air-Traffic Management , Risk Management/Assessment , Safety & Mission Assurance ,

    • NASA-LLIS-1428 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A mishap has brought to light the importance of properly designed vent, drain, and relief lines. Even though these lines are directly open to the atmosphere, the potential for over pressurization ...
      Subject(s) : Accident Investigation , Facilities , Hardware , Human Factors , Mishap Reporting , Pressure Vessels , Safety & Mission Assurance ,

    • NASA-LLIS-5256 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The largest fire in the recorded history of Los Angeles County, the August 2009 Station Fire burned to within one meter of the JPL perimeter and closed the Laboratory. Due to planning and ...

    • NACA-RM-A51D02 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      A systematic investigation has been undertaken at the Ames Aeronautical Laboratory to determine the effects of plan form on the control-effectiveness and the hinge-moment parameters of horizontal tails ...

    • NACA-WR-L-662 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1943
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      At the request of the Army air Forces, Material Command, tests were made in the two-dimensional low-turbulence pressure tunnel and the two-dimensional low-turbulence tunnel of two models submitted by the ...
      Subject(s) : AILERONS , AIRFOILS , BALANCED , CHAR , CONSOLIDATED , DEFLECTION , DIM , DRAG , FLAPS , LOW , MOMENTS , NACA , PRESS , PRESSURE , SLOTTED , SPLIT , TESTS , TUNNEL , TURBULENCE , WIND , WING , WINGS ,

    • NASA-LLIS-0418 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Since Galileo used inherited Voyager transponders, the mission also inherited the problem that an uplink carrier suppression that is optimal for command purposes tends to degrade X-band ...
      Subject(s) : Communication Link , Communication Systems , Signal Degradation , Spacecraft Commanding , Test & Verification , Tracking Loop Filter ,

    • NASA-LLIS-0213 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Although the MSFC data bases contain the time histories of most of the pertinent flight dynamic and trajectory variables for each launch, cumulative data for the variables ...
      Subject(s) : Flight Operations , Launch Process ,

    • NASA-TN-D-6222 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Effect of engine position and high-lift devices on aerodynamic characteristics of an external-flow jet-flap STOL model.
      Subject(s) : AERODYNAMIC , AIRCRAFT , BLOWN , CHARACTERISTICS , CHARTS , DESIGN , DEVICES , ENGINE , ENGINES , EXTERNALLY , FLAPS , GRAPHS , JET , LIFT , SHORT , TAKEOFF , TURBOFAN ,

    • NACA-TN-925 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1944
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The distribution of lift over the span of a wing in uniform motion is determined, according to the Prandtl theory of the lifting line, as the solution of a singular integro-differential equation the ...
      Subject(s) : AIRFOILS , ANGLE , ATTACK , DISTRIBUTION , EQUATINS , INTERGRAL , LEAST , LIFT , PRANDTL , SPAN , SQUARES , THEORIES , WING ,

    • NASA-LLIS-1238 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Lack of requirement for inclusion of human factors expertise on MIBs as a matter of policy.
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Human Factors , Human Resources & Education , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance ,