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

Now showing items 381-400 of 3613

    • NASA NPR 3435.1 REV B 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      The NASA Performance Management System for the Senior Executive Service (SES) encourages excellence in performance; facilitates the accurate evaluation of performance based on results; provides ...

    • NASA-LLIS-1026 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Consolidation of Flight Operations Research at DFRC was put on Hold by Congressional Mandates and has Caused Workforce/Morale Problems.
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Aircraft , Flight Operations , Human Resources & Education , Policy & Planning ,

    • NASA-LLIS-0652 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Design primary and secondary structural components to accommodate loads which include steadystate, transient dynamic, and vibro-acoustic contributions at liftoff.

    • NASA-LLIS-0861 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The upper rudder of the 747SP aircraft was removed from the aircraft tail. The rudder was lowered lengthwise in the vertical position to a flat bed. The rudder was rotated ...
      Subject(s) : Aircraft , Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Lifting Devices ,

    • NASA-LLIS-1558 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract: 
      A senior individual with experience in many space flight projects, including several X-vehicles, has observed that the aerospace industry has changed and there are many indirect ...
      Subject(s) : Financial Management , Procurement , Program and Project Management , Risk Management/Assessment , Small Business & Industrial Relations ,

    • NASA-LLIS-1429 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A mishap where a cooling tower fan blade failed, has brought to light two important features of systems that contain rotating fans.
      Subject(s) : Accident Investigation , Facilities , Ground Equipment , Hardware , Safety & Mission Assurance ,

    • NACA-RM-E57E06 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1957
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Predicting the pressure on a blunt annular base surrounding a propulsive jet has proven to be a stubborn problem. In the 6 years it has received attention, a completely general and consistently successful ...

    • NASA-LLIS-0405 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Unlike explicit commands, stepping or incremental commands, however, simply cause the device to move by the commanded increment from its current position to the new position. If the current ...
      Subject(s) : Flight Equipment , Software , Spacecraft ,

    • NASA-LLIS-0204 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During a test run on a model in a wind tunnel, several components of a wooden test rig could not withstand the loads on them with the tunnel at maximum speed. Stress ...
      Subject(s) : Test & Verification , Test Article , Test Facility ,

    • NACA-TN-776 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1940
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: As part of a general investigation by the NACA of factors that affect the spin, the use of the aileron as an aid to recovery from the spin was studied. Tests of 10 different models, covering a wide range of mass distribution, ...

    • NASA-TN-D-5392 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1969
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Pressure distributions for blunt body wind tunnel models at supersonic speeds and angles of attack from 0 to 15 degrees
      Subject(s) : AERODYNAMIC , ANGLE , ATTACK , BALLISTICS , BLUNT , BODIES , CYLINDRICAL , DATA , DISTRIBUTION , HEATING , MODELS , PRESSURE , REENTRY , REVOLUTION , SPEED , SUPERSONIC , TABLES , TUNNEL , VEHICLES , WIND ,

    • NASA-LLIS-1227 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A manufacturing engineer found that sixteen fasteners were not installed on Flight Wing 1 (Solar Array Assembly) two (2) days prior to shipment. Investigation revealed ...
      Subject(s) : Computer-Aided Design/Manufacturing/Engineering , Configuration Management , Flight Equipment , Ground Equipment , Hardware , Parts Materials & Processes , Policy & Planning , Procurement Small Business & Industrial Relations , Risk Management/Assessment , Safety & Mission Assurance , Software , Test & Verification ,

    • NASA-LLIS-0715 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Use near field antenna measurement facilities for determination of far field antenna patterns of large aperture, high frequency antennas (For the purposes of this Guideline, "large aperture, ...

    • NASA-TN-D-3879 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1967
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Axial-load fatigue crack propagation tests on duplex annealed titanium alloy specimens having various widths.
      Subject(s) : ANNEALING , AXIAL LOADS , CRACK PROPAGATION , DUPLEXERS , FATIGUE (MATERIALS) , FATIGUE TEST , FATIGUE TESTS , TITANIUM ALLOY , TITANIUM ALLOYS ,

    • NASA-LLIS-2316 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Maintaining an engineering requirements management database is especially challenging when there are multiple, geographically dispersed, project participants, but JPL has been successful in ...
      Subject(s) : Communications between different offices and contractor personnel , Configuration and data management , Configuration control and data management , Early requirements and standards definition , Engineering design and project processes and standards , Level II/III requirements definition , Procurement , Small Business & Industrial Relations , Spacecraft , Spacecraft and Spacecraft Instruments ,

    • NACA ARR 3K04 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1943
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      One of the important requirements in the design of thin-metal columns for aircraft is the determination of the critical compressive stress at which local instability occurs. Local instability of a column ...
      Subject(s) : ALUMINUM SECTIONS-ALCOA 24ST , CHANNELS , CHARTS-STRESSES , COLUMNS , ALUMINUM-ALLOY-ALCOA 24ST-STRENGTH , COLUMNS-STRENGTH , LOADS-COLUMNS , MOMENT DISTRIBUTION , TUBING RECTANGULAR-STRESSES ,

    • NASA-LLIS-0067 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A thermal protection system (TPS) technician had an access platform retracted and secured to gain access to the top side of OV-102 left wing. Upon completion of his work, ...
      Subject(s) : Facilities , Flight Equipment , Ground Equipment , Ground Operations , Hardware ,

    • NACA-RM-A54F18 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Commercial and military needs for long-range airplanes Capable of relatively high subsonic speeds have stimulated much research aimed toward the development of suitable airframe configurations. Indications ...

    • NASA-LLIS-0998 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Postflight discovery of a wrench and an equipment name plate in the forward skirt of one STS-79 Solid Rocket Booster (SRB) has heightened concern for the overall integrity ...
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Ground Operations , Human Resources & Education , Packaging Handling Storage , Safety & Mission Assurance ,

    • NASA-LLIS-5203 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Design verification methods chosen early in a program's life cycle allow the group responsible for implementing those methods to contribute to the selection process.
      Subject(s) : Additional Categories.Test & Verification , Integration and Testing , Program Management. , Program Management.Communications between different offices and contractor personnel ,