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

Now showing items 2741-2760 of 3613

    • NASA-LLIS-1267 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Starting voltages in excess of 400 volts during orbital arc welding may propagate at significant levels across interfaces into electronics. Some electronic devices may be sensitive to stray ...
      Subject(s) : Aircraft , Computer-Aided Design/Manufacturing/Engineering , EEE parts electrical overstress , Flight Equipment , Ground Equipment , Hardware , Industrial Operations , Parts Materials & Processes , Safety & Mission Assurance , short circuit , sneak circuit , Spacecraft , transient voltages ,

    • NACA-RM-L53B26 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The results of an investigation of the effects of leading-edge chord-extensions and extensible leading-edge flaps on the low-speed aileron characteristics of a 52 degrees sweptback wing with circular-arc airfoil sections ...
      Subject(s) : COMPLETE , CONTROL , CONTROLS , EDGE , FLAP , FLAPS , LATERAL , LEADING , TYPE , WINGS ,

    • NASA NPR 8831.2 REV E 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      This document establishes minimum NASA management of facilities maintenance objectives and standards in support of NASA Policy Directive (NPD) 8831.1, Maintenance and Operations of Institutional ...

    • NASA-TP-2256 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1984
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Flight and wind-tunnel natural laminar flow experiments have been conducted on various lifting and nonlifting surfaces of several airplanes at unit Reynolds numbers between 0.63 x 10 to the 6th power/ft and 3.08 x 10 to ...
      Subject(s) : AIRFRAMES , CONTAMINATION , DETECTION , FLIGHT TESTS , FLOW VISUALIZATION , GENERAL AVIATION AIRCRAFT , LAMINAR BOUNDARY LAYER , LAMINAR FLOW , LIFTING BODIES , REYNOLDS NUMBER , STABILITY , VELOCITY DISTRIBUTION , WIND TUNNEL TESTS ,

    • NASA-LLIS-0313 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The shuttle IUS was not designed to be maintained. Consequently, no electrical connectors were used. During system testing, some components failed. In the process of ...
      Subject(s) : Hardware , Logistics , Parts Materials & Processes ,

    • NASA-LLIS-1623 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Critical components of new aircraft received at the Center were not reviewed for possible GIDEP alerts and NASA Advisories.
      Subject(s) : & Processes , Accident Investigation , Aircraft , Configuration Management , Flight Equipment , Ground Equipment , Materials , Parts ,

    • NASA-LLIS-1044 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Implementation of Structured Surveillance
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Communication Systems , Ground Operations , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance ,

    • NASA/SP-2007-6105 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2007
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Scope and Depth
      The coverage in this handbook is limited to general concepts and generic descriptions of processes, tools, and techniques. It provides information on systems engineering best practices ...

    • NACA-ARR-3L10 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1943
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      An extensive investigation of various hlgh-llft devices has been undertaken by the NACA to furnish in-formation applicable to the aerodynamic design of wihg- flap combinations for ...
      Subject(s) : AIRFOILS , CHAR , DEFLECTIONS , DOUBLE , FLAPS , FOWLER , MOMENTS , NACA , ORDINATES , POSITION , SLOTTED , WING ,

    • NASA-LLIS-0613 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      To meet environmental requirements, a program decision was made to change the Pressure Sensitive Adhesive used in the J-flap of the segment of the Shuttle Reusable Solid ...
      Subject(s) : Environment , Parts Materials & Processes ,

    • NACA-TN-1462 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Von Kármán's equations for thin plates with large deflections are solved for the special cases of rectangular plates having ratios of length to width of 1.5 and 2 and loaded by uniform normal pressure. The boundary ...
      Subject(s) : EQUATIONS - STRESSES PLATES , FLAT - RECTANGULAR , FLAT - STRESSES RECTANGULAR , LOADS - PLATES , PLATES , PLATES - PRESSURE RECTANGULAR , RECTANGULAR , STRESSED SKIN - PLATES ,

    • NASA-LLIS-1553 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Key subordinate project management positions must be truly accountable to the Project Manager. Sub-project managers must be empowered to manage and make decisions pertaining to their element ...
      Subject(s) : Program and Project Management ,

    • NASA-LLIS-1477 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The hiring of safety and mission assurance/engineering personnel, not skilled in minutes taking, to support the Investigation Board provided unsatisfactory results. Subsequent hiring of skilled ...
      Subject(s) : Accident Investigation , Administration/Organization , NASA Standards , Policy & Planning , Safety & Mission Assurance ,

    • NASA-LLIS-0027 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The G02 supply from the ECLSS GO2 servicing console can be utilized to feed oxygen directly into the astronauts' helmets in support of the flight crew breathing test during ...
      Subject(s) : Facilities , Flight Equipment , Flight Operations , Hardware , Hazardous/Toxic Waste/Materials , Launch Process , Personal Protective Equipment , Pressure Vessels , Test & Verification ,

    • NACA-TR-485 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1935
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This report presents the results of tests made in the 7-by 10-foot wind tunnel and in the 20-foot tunnel of the National Advisory Committee for Aeronautics to determine the drag of a number of airplane wheels, wheel fairings, ...
      Subject(s) : AERODYNAMIC , DRAG , EQUIPMENT , FAIRINGS , FULL , GEAR , INTERFERENCE , LANDING , RETRACTABLE , SCALE , TESTS , TUNNEL , WHEELS , WIND ,

    • NACA-RM-E53E28 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A compilation of available information on the problem of support interference at transonic and supersonic speeds is presented. (author)
      Subject(s) : AERODYNAMIC , AFTERBODIES , ANGLE , ATTACK , BASE , BODIES , CONICAL , CYLINDRICAL , FINNED , FOREBODIES , GEOMETRY , INTERFERENCE , MODELS , PRESSURE , PROTUBERANCES , REVOLUTION , SPEED , SUPERSONIC , SUPPORTS , SURFACE , TESTS , TRANSONIC , TUNNEL , TUNNELS , WIND ,

    • NASA-LLIS-3256 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Lasers and targets are useful for visually aligning or leveling two objects over a significant distance.
      Subject(s) : Mission Operations and Ground Support Systems. , Mission Operations and Ground Support Systems.Ground support systems ,

    • NASA-LLIS-0426 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      To prove that electrical connections were properly made, a test of motor control circuits was included after fueling and pressurization of tanks. Had slightly higher pressure been present in ...
      Subject(s) : Hazardous Test , Redudant Protective Elements , Safety , Safety & Mission Assurance , Test & Verification ,

    • NASA-LLIS-0224 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During a hardware performance evaluation, Solid Rocket Motor (SRM) clevis and tang sealing surface diameters were assumed to be stable and were not remeasured during ...
      Subject(s) : Parts Materials & Processes , Test & Verification ,

    • NACA-TN-1175 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      One of the problems for which lifting-line theory has proved inadequate (see reference 1) is that of estimating the hinge-moment parameters of finite-span control surfaces from section data. In reference ...