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

Now showing items 701-720 of 3613

    • NASA-LLIS-1006 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Certification of Block II SSME Testing at 109% for Intact Abort Scenarios.
      Subject(s) : Aerospace Safety Advisory Panel , Policy & Planning , Safety & Mission Assurance , Spacecraft , Test & Verification ,

    • NACA-TN-2676 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1952
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The principles involved in the operation of several types of stall-warning devices are described and conditions under which difficulty may be experienced are pointed out. In the discussion, stall-warning devices are grouped ...

    • NASA NPD 1385.2 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 Technical and Service Support Centers.

    • NASA-LLIS-0634 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Due to a transient effect, the Wide-Field Infrared Explorer (WIRE) telescope aperture cover was unintentionally ejected when the WIRE pyro electronics box was first powered. The cryogen ...
      Subject(s) : Flight Equipment , Ground Equipment , Hardware , Mishap Reporting , Policy & Planning , Spacecraft , Test & Verification ,

    • NASA-LLIS-1466 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Difficulties with the single software tool selected to support the Columbia accident investigation point to a need for a functional requirements analysis by a team experienced in the IT ...
      Subject(s) : Accident Investigation , Administration/Organization , Computers , Configuration Management , Information Technology/Systems , NASA Standards , Policy & Planning , Safety & Mission Assurance , Security ,

    • NASA-LLIS-0863 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A fire occurred in a modular building, #T-046, at the NASA Ames Research Center at Moffett Field (Mountain View), California. The building was about three months old, ...
      Subject(s) : Administration/Organization , Emergency Preparedness , Environment , Facilities , Fire Protection , Occupational ,

    • NASA-TM-78650 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1978
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Low speed wind tunnel tests were conducted to evaluate the effects on performance of modifying a 23 percent thick low speed airfoil. The airfoil contour was altered to reduce the upper-surface adverse pressure gradient and ...
      Subject(s) : AERODYNAMIC , AIRFOILS , CHARACTERISTICS , DESIGN , DISTRIBUTION , LOW , NUMBER , PRESSURE , REYNOLDS , SPEED , STRUCTURAL , TESTS , THICKNESS , TUNNEL , TUNNELS , WIND ,

    • NACA-RM-A54H26 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      As a result of the current interest in the application of retractable spoiler ailerons as lateral controls on high-speed aircraft, a considerable number of tests have been made using various types of spoiler ...

    • NASA-LLIS-5836 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A NASA contractor was engaged in setting pilings using a hydraulic vibratory driver / extractor(HVDE) and a lattice boom mobile crane atop a barge in the Indian River north of Titusville, Florida. Several pilings had already ...
      Subject(s) : Additional Categories.Ground Equipment , Additional Categories.Ground Operations , Additional Categories.Hardware , Additional Categories.Lifting Devices , Additional Categories.Mishap Reporting ,

    • NASA-LLIS-0389 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      During a switch between Voyager radio receivers, a failure occurred due to a short circuit traced to a screw contacting components insufficiently coated by the solithane conformal coating. ...
      Subject(s) : Spacecraft ,

    • NASA-LLIS-0193 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The mishap occurred in the air drive section of a research wind tunnel. During an evening research run, a six foot stepladder was drawn into the wooden drive blades of the ...

    • NACA-TN-663 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1938
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was made to determine the aerodynamic characteristics of tapered and rectangular wings with partial-span plain flaps. Two Clark Y airfoils equipped with center section and with tip-section flaps were tested. ...

    • NASA-LLIS-1213 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The trunnion covers used to support Extra-vehicular activity (EVA) were reportedly altered late in the flow of STS-88 preparations. The modification included the addition ...
      Subject(s) : Facilities , Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Hardware , Independent Verification and Validation , Industrial Operations , Parts Materials & Processes , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance , Software , Spacecraft , Test & Verification , Test Article , Test Facility ,

    • NASA-LLIS-0688 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Implement a strategy for Electrical, Electronic, and Electromechanical (EEE) Parts failure analysis in which the analysis resources employed are optimized. Provide all engineers involved with ...

    • NASA-LLIS-0049 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1991
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The remote manual arming and firing valves are in the "on" position when perpendicular to the water lines, which is not the industry norm for hydraulic systems. This ...
      Subject(s) : Configuration Management , Fire Protection , Ground Equipment , Ground Operations , Hardware , Industrial Operations ,

    • NACA-TR-636 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1938
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The problem of the skin-stringer combinations used as axially loaded panels or as covers for box beams is considered from the point of view of the practical stress analyst. By a simple substitution the problem is reduced ...
      Subject(s) : AIRCRAFT STRUCTURES , AXIAL COMPRESSION LOADS , BEAMS (SUPPORTS) , DEFORMATION , FLANGES , FORMULAS , NUMERICAL ANALYSIS , RIBS (SUPPORTS) , SHEAR STRESS , STRESS ANALYSIS , STRESSED-SKIN STRUCTURES , STRINGERS , WINGS ,

    • NASA-LLIS-0986 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      High voltage linemen were on very tight time constraints and were attempting to measure the voltage in a 15kV fuse cabinet. They were going to measure the voltage from ...
      Subject(s) : Configuration Management , Energy , Facilities , Fire Protection , Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Human Factors , Human Resources & Education , Industrial Operations , Lifting Devices , Packaging Handling Storage , Personal Protective Equipment , Pressure Vessels , Risk Management/Assessment , Safety & Mission Assurance , Test & Verification , Test Article , Test Facility , Training Equipment ,

    • NASA-STD-2805 REV FY2014 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2013
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      NASA-STD-2805 FY 2014 defines the minimum Agency hardware interoperability technical specifications. The specifications apply to all end user computing devices participating in the NASA ...

    • NASA-LLIS-0595 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The Lewis implementation had a flawed attitude control system (ACS) design and simulation deriving from technically invalid application of a design from an earlier mission. ...
      Subject(s) : Administration/Organization , Hardware , Policy & Planning ,

    • NASA-LLIS-1439 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Because of the need for rapid staff up, NASA should identify in advance basic personnel requirements for support to the NASA Task Force.
      Subject(s) : Accident Investigation , Administration/Organization , Human Resources & Education , NASA Standards , Policy & Planning , Safety & Mission Assurance ,