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

Now showing items 1361-1380 of 3613

    • NACA-RM-H56H03 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1957
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The static and dynamic longitudinal stability characteristics and derivatives, as determined from flight pulse data, for two wing configurations of a 45° swept-wing fighter-type airplane capable of ...

    • NASA-LLIS-3759 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Thousands of electrical connectors are used on the Space Shuttle Orbiter to allow quick connection and disconnection of electrical circuits for maintenance, modification, inspection, or ...
      Subject(s) : DDT/E , Ground Operations , Ground processing and manifesting , Ground support systems , Impact of human factors on systems requirements and designs , Lander Systems , Launch Systems , Level II/III requirements definition , Logistics and maintenance , Long term sustainability and maintenance planning , Vehicle concepts ,

    • NASA-LLIS-0429 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      In the process of reflow soldering flat pack leads to printed circuit boards during the Voyager program, it was discovered that a high phosphorous content in the plating process for the Kovar ...
      Subject(s) : Hardware , Industrial Operations , Parts Materials & Processes ,

    • NASA-LLIS-0227 

      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 500 HP service air compressor stayed engaged after a stop command was issued from the central control dispatcher after a test run. The motor came to an abrupt halt and ...
      Subject(s) : Hardware , Industrial Operations ,

    • NASA-TN-D-6205 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Pressure measurements of flow induced cavity resonance and effects of resonance suppressing devices

    • NACA-TN-1193 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Recent flight tests and tests in the Langley free-flight tunnel indicated a discrepancy between the observed and calculated conditions for dynamic lateral stability. It was suggested that the discrepancy ...

    • NASA-LLIS-1286 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Due to circumstances involving human resources and hiring issues, that prevented the Project from assigning a Civil Servant Deputy, a Contractor was placed in the position ...
      Subject(s) : Administration/Organization , Policy & Planning ,

    • NACA-RM-L51C30 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      As part of a general study at the Langley 19-foot pressure tunnel to determine the effect a horizontal tail on the longitudinal stability characteristics of swept wings, a low-speed investigation has been ...

    • NASA-TN-D-6964 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1972
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation to determine the effects of pavement surface condition on the cornering forces developed by a group of 6.50x13 automobile tires of different tread design was conducted at the Langley aircraft landing loads ...
      Subject(s) : LOADS (FORCES) , PERFORMANCE TESTS , STRESS ANALYSIS , SURFACE ROUGHNESS , TEST EQUIPMENT , TIRES , TRACTION , VEHICLE WHEELS ,

    • NASA-LLIS-0010 

      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 shuttle orbiter General Purpose Computer (GPC) at Input Output Port (IOP) No.2 was voted out of a set with other computers. The computers were exchanged and the computer ...
      Subject(s) : Computers , Ground Operations , Hardware ,

    • NASA-LLIS-0929 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The root cause of the Mars Climate Orbiter (MCO) mission failure was identified as cumulative navigation errors. These errors resulted, in part, from operational procedures and software that ...
      Subject(s) : Aircraft , Flight Equipment , Flight Operations , Formal Review , Ground Equipment , Launch Process , Payloads , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance , Spacecraft ,

    • NACA-TR-253 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1927
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This report gives the pressure distribution and resistance found by theory and experiment for simple quadrics fixed in an infinite uniform stream of practically incompressible fluid. The experimental values pertain to air ...
      Subject(s) : AIR , CHARACTERISTICS , CIRCULAR , COMPARISON , COMPUTATION , CYLINDERS , DISTRIBUTION , DRAG , ELLIPTICAL , EXPERIMENTATION , FLOW , FLUIDS , FORMULAS , INCOMPRESSIBLE , MATHEMATICS , OBLATE , PRESSURE , PROLATE , RESISTANCE , SPHERES , SPHEROIDS , THEORIES , WATER ,

    • NASA NPD 8900.3 REV H 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      This NPD applies to NASA Headquarters and NASA Centers, including Component Facilities, and to the Jet Propulsion Laboratory (JPL) to the extent specified in its contract.

    • NASA-LLIS-0649 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Identify potential critical items early in projects for Ground Support Equipment (GSE) as an input to hardware and software design activities. Perform Failure Modes and Effects Analysis (FMEA) ...

    • NASA-LLIS-1555 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Most all projects in today»s environment invariably require the cooperation and support of multiple organizations both in development and acceptance of project deliverables (including ...
      Subject(s) : Policy & Planning , Program and Project Management , Research & Development ,

    • NASA-LLIS-1414 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A "Fly-off" type of procurement using a relatively small Source Evaluation Board (SEB) can minimize the time to assess, award, and implement a contract. However, in order to minimize the ...
      Subject(s) : expert ex-official , Fly-off procurement , Procurement Small Business & Industrial Relations , Program and Project Management , Risk Management/Assessment , SEB , timely & efficient ,

    • NACA-RM-E51H13 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An experimental investigation of the aerodynamic characteristics of a slender, square-based body of revolution was conducted at a Mach number of 3.12 for angles of attack from 0 degree to 10 degrees and for Reynolds numbers ...
      Subject(s) : AERODYNAMIC , BODIES , FLOW , LAMINAR , LOADS , SUPERSONIC , TURBULENT ,

    • NASA-LLIS-0943 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      An employee placed wadded paper towels soaked with linseed oil inside their vehicle on the floorboard pending later disposal. The paper towels ignited and caused a fire ...
      Subject(s) : Disposal , Fire Protection , Ground Operations , Hazardous/Toxic Waste/Materials , Industrial Operations , Packaging Handling Storage , Risk Management/Assessment , Safety & Mission Assurance ,

    • NASA-LLIS-4620 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      In the course of the NASA on-site management of the construction of the Ares I Mobile Launcher (ML) at Kennedy Space Center (KSC), the change orders were numerous and tended to be technically ...
      Subject(s) : Program Management .Acquisition / procurement strategy and planning , Program Management.Business processes , Program Management.Configuration and data management ,

    • NASA-LLIS-0329 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Loss of Challenger.
      Subject(s) : Flight Equipment , Hardware , Parts Materials & Processes , Safety & Mission Assurance , Test & Verification ,