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

Now showing items 1921-1940 of 3613

    • NACA-TN-3283 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The problem of determining the total forces, moments, and stability derivatives for a slender body performing slow maneuvers in a compressible fluid is treated within the assumptions of slender-body theory. General expressions ...
      Subject(s) : AERODYNAMIC , BODIES , COMPRESSIBLE , CROSS , DERIVATIVES , EQUATIONS , FLUIDS , FORCES , GEOMETRY , MANEUVERS , MOMENTS , MOTION , SECTIONS , SLENDER , STABILITY ,

    • NASA-CR-165720 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1981
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The properties were measured during static, slow rolling, and high-speed tests, and comparisons were made between data as acquired on indoor drum dynamometers and on an outdoor test track. In addition, mechanical properties ...
      Subject(s) : AIRCRAFT TIRES , DYNAMIC TESTS , MECHANICAL PROPERTIES , STATIC TESTS ,

    • NASA-LLIS-0537 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      O-ring manufactured on MIDAS for vacuum seal was made with butt joint instead of 45° angle joint.
      Subject(s) : Parts Materials & Processes ,

    • NASA-LLIS-0295 

      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 the shuttle STS-4 mission, an orbiter (OV-102) hydraulic pump failed. A post flight examination discovered an aluminum particle wedged into one of the high pressure ...
      Subject(s) : Hardware , Industrial Operations , Parts Materials & Processes ,

    • NASA-LLIS-1237 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Current policy for classification of mishaps, and hence mishap investigation procedures is done by dollar value of loss or injury severity.
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance ,

    • NACA-RM-L8H12 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Investigations of the lateral stability of sweepback wings have shown that except at low angels of attack, the lateral-stability parameters are primarily dependent on the stalling characteristics of the ...

    • NASA-LLIS-0347 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      When a contractor was absorbed by a second contractor early during the performance of the Mars Observer contract, the new contractor's management implemented methods that were not consistent ...
      Subject(s) : Administration/Organization ,

    • NASA-LLIS-2076 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      In 2009, as construction of the International Space Station (ISS) approached completion, and the programs Multilateral Coordination Board (MCB) reflected on the process, they thought it would ...
      Subject(s) : Additional Categories.Flight Operations , Additional Categories.Ground Operations , Additional Categories.Hardware , Additional Categories.Payloads , Additional Categories.Program and Project Management ,

    • NASA-LLIS-1091 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During pre-operations for the 5A US Lab Closed Hatch Environmental Control & Life Support System/Thermal Control System (ECLSS/TCS) testing, a water separator fault occurred ...
      Subject(s) : Configuration Management , Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Hardware , Industrial Operations , Launch Process , Parts Materials & Processes , Policy & Planning , Range Operations , Research & Development , Risk Management/Assessment , Safety & Mission Assurance , Test & Verification , Test Article , Test Facility ,

    • NASA NPD 2081.1 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      This Directive is applicable to NASA Headquarters and NASA Centers, including Component Facilities.

    • NASA-LLIS-3636 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The Microwave Scanning Beam Landing System (MSBLS) contract, originally controlled by Johnson Space Center (JSC), was split across NASA centers. The Kennedy Space Center (KSC) has operation and maintenance (O&M) responsibility ...
      Subject(s) : 0.Vehicle concepts , 1.Acquisition / procurement strategy and planning , 1.Engineering design and project processes and standards , 1.Ground Equipment , 1.Ground Operations , 1.Ground support systems , 1.Launch Systems , Center distribution of programs and management activities , Cross Agency coordination ,

    • NASA NPD 8900.1 REV G W/CHG 1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      This NASA Policy Directive (NPD) applies to NASA Headquarters and Centers, including Component Facilities.

    • NASA-LLIS-0717 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      The Fizeau interferometer is the most commonly used interferometer for testing optical components and systems used aboard spaceborne or space-related instrumentation. This guideline provides ...

    • NACA-ARR-4B03 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1944
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Several series of compression tests have been made on panels with Z-section stiffeners formed from flat sheet (see fig.1) to show the importance of relative dimensions in determining the strength of ...
      Subject(s) : ALCOA , ALLOY , ALLOYS , ALUMINUM , COMBINATIONS , COMPRESSIVE , COUNTRSUNK , RIVETS , SHEET , SHEETS , SKIN , STIFFENER , STRENGTH , STRESSED ,

    • NASA-TP-3110 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1991
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An experimental investigation was conducted to measure the forces, moments, and pressure distributions on the generic store separating from a rectangular box cavity contained in a flat plate surface at supersonic speeds. ...
      Subject(s) : CAVITIES , DISTRIBUTION , EXTERNAL , FLAT , FLOW , FREE , MACH , MEASUREMENT , MOMENTS , NUMBER , OILS , PHOTOGRAPHS , PLATES , PRESSURE , REYNOLDS , SEPARATION , SPEED , STORE , SUPERSONIC , VAPORS ,

    • NASA-LLIS-1509 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Orbital Space Plane (OSP) Program started up the learning curve early by creating the Acquisition Management Office (AMO) specifically for developing the acquisition strategy, Request For ...
      Subject(s) : Procurement Small Business & Industrial Relations ,

    • NASA-TN-D-209 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1960
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An analysis has been made of results obtained in a systematic research program concerned with the effects of wing sweep, aspect ratio, taper ratio, and dihedral on the rolling moment due to sideslip of wing-fuselage ...
      Subject(s) : ASPECT , BODY , COMPRESSIBILITY , CONFIGURATIONS , GEOMETRY , MACH , MOMENTS , NUMBER , RATIO , ROLLING , SIDESLIP , SPEED , SUBSONIC , SWEPT , TESTS , TRANSONIC , TUNNEL , WIND , WING , WINGS ,

    • NASA-CR-2440 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1974
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Equations and tables are presented for the viscosity and thermal conductivity coefficients of gaseous and liquid oxygen at temperatures between 80 K and 400 K for pressures up to 200 atm. and at temperatures between 80 K ...
      Subject(s) : COEFFICIENTS , GASES , HIGH PRESSURE , LIQUIDS , OXYGEN , THERMAL CONDUCTIVITY , VISCOSITY ,

    • NACA-RM-A50C13 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1950
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The location of air inlets on the sides of the fuselages of jet-propelled aircraft has received special emphasis recently because of the necessity of housing radar and armament in the fuselage noses, ...

    • NASA-LLIS-0493 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1989
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A fatal accident involving the Ames/EFRF T-37B Jet Trainer (NASA 807) occurred east of California City, CA. at approximately 1:15 P.M. (PST) on November 8, 1982. NASA pilot ...
      Subject(s) : Aircraft , Human Factors , Safety & Mission Assurance ,