Now showing items 261-280 of 3613

    • NASA-LLIS-0848 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Enhance the Ground Support Equipment (GSE) and Facility Equipment Maintenance Program by adoption of a maintenance practice that provides maintenance and test criteria for electrical circuit ...
    • NASA-LLIS-0050 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1991
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Premature shutdown of the main and vernier engines occurred as a result of an electrical malfunction in the vehicle's power bus, specifically a short circuit to ground. A ...
      Subject(s) : Configuration Management , Flight Equipment , Flight Operations , Hardware , Launch Process , Launch Vehicle , Parts Materials & Processes ,
    • NACA-TR-737 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1942
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The solution of Von Karman's fundamental equations for large deflections of plates is presented for the case of a simply supported rectangular plate under combined edge compression and lateral loading. Numerical solutions ...
      Subject(s) : ANALYSIS (MATHEMATICS) , BENDING , COMPRESSION LOADS , CRITICAL LOADING , DEFLECTION , DEFORMATION , EDGE LOADING , EQUATIONS , FLAT PLATES , RECTANGULAR PLATES , THIN PLATES , VON KARMAN EQUATION , WIDTH ,
    • NASA-LLIS-0987 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Marshall Space Flight Center (MSFC) was responsible for the development of the Chandra X-ray Observatory, successfully launched in July, 1999. Chandra is the third of ...
      Subject(s) : Administration/Organization , Flight Operations , Ground Operations , Logistics , Policy & Planning , Research & Development , Risk Management/Assessment ,
    • NASA-LLIS-1233 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Apollo-era ground infrastructure for the Space Shuttle Program requires revitalization.
      Subject(s) : Aerospace Safety Advisory Panel , Facilities , Financial Management , Logistics , Policy & Planning ,
    • NASA-LLIS-0597 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During the critical initial on orbit operations and checkout phase, ground station personnel did not monitor the Lewis spacecraft continuously for anomalies. This was ...
      Subject(s) : Administration/Organization , Ground Operations , Policy & Planning ,
    • NASA-LLIS-1469 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Late establishment of an independent database server for use by the Accident Investigation Board prevented maximum utilization of the data storage and searching features by board members and ...
      Subject(s) : Accident Investigation , Administration/Organization , NASA Standards , Policy & Planning , Safety & Mission Assurance ,
    • NASA-LLIS-0877 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      On May 28, 1993, a NASA astronaut suffered frostbite on eight fingers during manned thermal-vacuum (MTV) testing in Chamber B, Building 32, at JSC. This test was the second ...
      Subject(s) : Configuration Management , Emergency Preparedness , Flight Operations , Ground Operations , Industrial Operations , Payloads , Personal Protective Equipment , Policy & Planning , Range Operations , Research & Development , Risk Management/Assessment , Safety & Mission Assurance , Spacecraft , Test & Verification , Test Article , Test Facility ,
    • NACA-RM-L9F10 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1949
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      It has been indicated from recent research on wing plan forms suitable for moderate supersonic flight that the 1aw-speed longitudinal stability problems of the triangular plan-form wing appear to be less ...
    • NACA-TN-2080 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1950
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The National Advisory Committee for Aeronautics is conducting an extensive investigation of the lift and control effectiveness of various flaps and control surfaces on wings having plan forms suitable for ...
      Subject(s) : AIRFOILS , ASPECT , CHARACTERISTICS , DRAG , FLAPS , HINGE , LOW , MOMENTS , MPH , NACA , PITCHING , POSITION , RATIO , SMALL , TESTS , TUNNEL , WIND , WING , WINGS ,
    • NASA NPD 1050.1 REV I 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      This NPD applies to NASA Headquarters and NASA Centers, including Component Facilities.
    • NASA-TM-X-2313 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Wind tunnel tests of propellor driven, deflected slipstream, short takeoff aircraft model to determine longitudinal and lateral-directional stability when in ground effect
      Subject(s) : AERODYNAMIC , AERODYNAMICS , AIRCRAFT , CHARACTERISTICS , EFFECT , GROUND , MODELS , SHORT , STABILITY , TAKEOFF , TESTS , TUNNEL , WIND ,
    • NASA NPR 3713.3 W/CHG 1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      a. This NPR establishes Agency-wide procedural requirements under which NASA employees and contractors shall report allegations of harassing conduct and sets forth the managers' and supervisors' ...
    • NACA-TM-0999 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1941
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The stresses in circular frames of constant bending stiffnesses, as encountered in thin-wall shells, are investigated from the point of view of finite depth of sectional area of frame. The solution is carried out for four ...
    • NASA-LLIS-1014 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Lack of Schedule Slack in ISS Program Causing Potential Decrease in Prelaunch Ground Testing.
      Subject(s) : Aerospace Safety Advisory Panel , Ground Operations , Policy & Planning , Risk Management/Assessment , Test & Verification ,
    • NASA-LLIS-5004 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A hazard was created when the forward dome of the liquid hydrogen (LH2) tank of the Ares I Upper Stage was pressurized to 5 psi to support the weight of the people who needed to work on it during ground processing.
    • NASA-LLIS-0812 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Leak testing is a nondestructive test method that provides the capability to detect and measure the amount of liquid or gas escaping from a sealed pressure system and to locate the individual ...
    • NACA-TR-496 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1935
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The aerodynamic forces on an oscillating airfoil or airfoil-aileron combination of three independent degrees of freedom have been determined. The problem resolves itself into the solution of certain definite integrals, ...
      Subject(s) : AERODYNAMIC , AILERONS , AIRFOILS , ANALYSIS , BESSEL , CONDITION , CONFIGURATIONS , DIFFERENTIAL , EQUATIONS , FLUTTER , FORCES , FUNCTIONS , JOUKOWSKI , KUTTA , MATHEMATICS , MOTION , OSCILLATIONS , STABILITY , THEORIES , WING ,
    • NASA-LLIS-0021 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1991
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During various shuttle orbiter missions, several anomalies occurred which were subsequently attributed to particle contamination within limit switches. In three such ...
      Subject(s) : Flight Equipment , Flight Operations , Hardware , Launch Vehicle , Parts Materials & Processes , Spacecraft , Test & Verification , Test Article ,
    • NASA-LLIS-0954 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The Challenger (Space Shuttle Flight #51L) accident triggered a detailed review of all of the joints in the Solid Rocket Motor. Analyses showed a potential weakness and ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Launch Vehicle ,