Now showing items 1661-1680 of 3613

    • NASA-LLIS-0932 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      On January 7, 2001, a large washout was discovered in the vicinity of Facility K7-1205F at the Kennedy Space Center Press Site. Water was flowing from the open end of a ...
      Subject(s) : Configuration Management , Facilities ,
    • NASA-LLIS-1356 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      In early February 2003, JPL and NASDA reported gaps in Level 0 data products received from the Wallops and Alaska ADEOS-II Data Processing Systems. Gaps in the SeaWinds ...
      Subject(s) : Administration/Organization , Ground Equipment , Ground Operations , Launch Process ,
    • NASA-LLIS-6349 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The interaction of rocket exhaust plumes with the external vehicle flowfield has been the source of numerous problems on the Space Shuttle – both on the launch vehicle during ascent and the orbiter during re-entry ...
    • NASA-LLIS-0657 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Conduct a formal Critical Design Review (CDR) of hardware, software, and firmware at the subsystem and system levels. Schedule the review prior to the start of subsystem fabrication and ...
    • NASA NPR 8705.4 W/CHG 2 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2013
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      This NPR establishes baseline criteria that enable a user to define the risk classification level for NASA payloads on human- or nonhuman-rated launch systems or carrier vehicles and the design ...
    • NASA-LLIS-1563 

      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 costs associated ...
      Subject(s) : Logistics , Policy & Planning , Procurement , Program and Project Management , Risk Management/Assessment , Small Business & Industrial Relations ,
    • NASA-LLIS-1424 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The success of a project is greatly impacted by the visibility and advocacy within the NASA community.
      Subject(s) : Advocacy , Communication Systems , Policy & Planning , Program and Project Management , Risk Management/Assessment , Stake holders , Visibility ,
    • NACA-RM-L7G31 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The accelerated development of jet-propelled aircraft during World War II resulted in the creation of motors (turbojet, ram jet, and rocket) capable of propelling airplanes at supersonic speeds. Airplanes ...
      Subject(s) : CONTROLS , DIRECTIONAL , LATERAL , STABILITY , STATIC ,
    • NASA-LLIS-0412 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Because, the interface circuit between the Voyager CCS and Power subsystems was not electrically isolated, spacecraft system noise prevented reliable commanding from CCS to Power. This was ...
      Subject(s) : Electrical Isolations , Spacecraft , Test & Verification ,
    • NASA-LLIS-0209 

      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 Space Shuttle Main Engine (SSME) telemetry system does not show absolute Greenwich Mean Time (GMT), but rather, the number of controller cycles since change in mode. ...
      Subject(s) : Flight Equipment , Flight Operations , Launch Vehicle ,
    • NACA-TN-825 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1941
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The rates of change of rolling-moment, yawing-moment, and lateral-force coefficients with yaw are important factors in the calculation of the--lateral stability of an airplane and, consequently, these ...
    • NASA-TN-D-5857 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1970
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Wind tunnel investigation of static longitudinal and lateral characteristics of light single engine low wing airplane
      Subject(s) : ANGLE , ATTACK , CONTROL , EDGES , NUMBER , REYNOLDS , STABILITY , TESTS , TRAILING , TUNNEL , WIND ,
    • NASA-STD-5009 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2013
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      The purpose of this standard is to establish the nondestructive evaluation (NDE) requirements for any NASA system or component, flight or ground, where fracture control is a requirement. This ...
    • NASA-LLIS-1232 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Elements of the Shuttle systems upgrades portfolio may be delayed or deferred necessitating a need to ensure adequate long-term logistics planning for mature systems.
      Subject(s) : Aerospace Safety Advisory Panel , Financial Management , Hazardous/Toxic Waste/Materials , Logistics ,
    • NACA-TN-1669 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A low-scale wind-tunnel investigation was conducted in both straight and. yawing flow to determine the effects of aspect ratio and sweep (when varied independently) on the static and. yawing stability derivatives for a ...
      Subject(s) : AIRFOILS , ASPECT , CARRIED , CHARACTERISTICS , DAMPING , LAL , MOMENTS , NACA , PITCHING , RATIO , ROLLING , STABILITY , SWEPTBACK , TESTS , TUNNEL , WIND , WINGS , WORK , YAW , YAWED , YAWING ,
    • NACA-RM-L9E24 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1949
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      One of the many low-speed problems associated with the use of highly swept wings is the difficulty in providing adequate lateral control, particularly in the region of maximum lift. Present-day experimental ...
    • NASA-TN-D-4445 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1968
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Noncavitating flow mechanisms in two low area ratio water jet pumps with throat lengths of 7.25 diameters.
      Subject(s) : FLOW DISTRIBUTION , FLOW GEOMETRY , JET PUMPS , NOZZLE DESIGN , NOZZLE FLOW , NOZZLE GEOMETRY , PERFORMANCE TESTS , PRESSURE DISTRIBUTION , STATIC PRESSURE , STREAM FUNCTIONS (FLUIDS) , VELOCITY DISTRIBUTION ,
    • NACA-TM-490 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1928
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This report presents a brief survey of the uses of sheet-metal coverings in conjunction with the inner structure. A method of construction is presented as well as a discussion on the strength of sheet metal.
      Subject(s) : STRESSED SKIN - GIRDERS , STRESSED SKIN - SHEETS - BUCKLING , STRESSED SKIN - STIFFENER COMBINATIONS , THEORIES - BEAMS - WAGNER , WING SPARS - WEBS , THIN ,
    • NASA-LLIS-0072 

      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 debrazing operations of a purge fitting in an orbiter's aft compartment, the debrazing head separated, causing an electrical arc. This arc caused the debrazing head ...
      Subject(s) : Energy , Flight Equipment , Ground Equipment , Ground Operations , Hardware , Parts Materials & Processes ,
    • NACA-TM-3123 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A brief investigation has been made to determine whether the use of annular ledges to promote turbulent momentum exchange will improve the performance of a short, wide-angle diffuser. Results are presented of tests of a ...