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

Now showing items 2821-2840 of 3613

    • NASA NPD 2086.1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: POLICY
      a. It is NASA's policy to detect and to correct instances of fraud and corruption in order to maintain operational readiness, recoup lost financial resources, maintain public confidence in NASA procurement and ...

    • NACA-TN-3956 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1957
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The lift and moment responses to penetration of sharp-edged traveling gusts are calculated for wings in incompressible and supersonic tow-dimensional flow, for wide delta and rectangular wings in supersonic flow, and for ...

    • NASA-TN-D-212 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1959
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Sheet specimens of 2024-T3 and 7075-T6 aluminum alloy with a theoretical elastic stress concentration factors KT = 4.0 were subjected to repeated axial loads. The load amplitude was held constant or varied by ...
      Subject(s) : ALUMINUM ALLOYS , AXIAL LOADS , CUMULATIVE DAMAGE , CYCLIC LOADS , FATIGUE TESTS , GUST LOADS , METAL FATIGUE , METAL SHEETS , S-N DIAGRAMS , STATISTICAL ANALYSIS , STRESS ANALYSIS , STRESS CYCLES , TENSILE PROPERTIES ,

    • NACA-TR-1146 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation has been made in the Langley two-dimensional low-turbulence tunnel and in the Langley two-dimensional low-turbulence pressure tunnel of 6- and 10-percent-thick symmetrical circular-arc airfoil sections ...
      Subject(s) : AERODYNAMIC , AIRCRAFT , AIRFOIL , AIRFOILS , BALANCE , BODIES , COEFFICIENTS , DEFLECTION , DISTRIBUTION , EDGES , EFFECT , FORCES , LEADING , LIFT , LOADS , PARTS , PRESSURE , PROFILES , SCALE , SYMMETRICAL , TESTS , TORQUE , TRAILING , TUNNEL , WIND ,

    • NASA NPR 2081.1 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The purpose of this directive is to establish and convey procedures of the National Aeronautics and Space Administration (NASA or "the Agency") Office of Equal Opportunity Programs (OEOP) on:
      a. Processing administrative ...

    • NASA-LLIS-0527 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Two Langley Research Center employees, Brad Leighty and John Franke, received a certificate and cash award for the disclosure of innovation entitled "Sidereal Rate Generator," ...
      Subject(s) : Research & Development ,

    • NASA-LLIS-1380 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      On March 25, 2003, during life cycle testing of the Improved Pilot Operating Valve (IPOV) in Nitrogen Tetroxide (NTO), a pressure transducer catastrophically failed in an explosion and released ...
      Subject(s) : Configuration Management , Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Hardware , Hazardous/Toxic Waste/Materials , NASA Standards , Parts Materials & Processes , Policy & Planning , Procurement Small Business & Industrial Relations , Program and Project Management , Research & Development , Risk Management/Assessment , Safety & Mission Assurance , Spacecraft , Standard , Test & Verification , Test Article , Test Facility ,

    • NACA-TN-4332 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1958
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An analysis of available airplane measurements of vertical gust velocity is presented in order to arrive at a simple description of the frequency and intensity of gust velocities experienced by airplanes in operations. For ...

    • NASA-MEMO-1-16-59 REV L 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1959
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The analysis presented uses the momentum theory as a starting point in developing semiempirical expressions for calculating the effect of propeller thrust and slipstream on the lift and drag characteristics of wing-flap ...

    • NACA-TR-970 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1950
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: On the basis of linearized supersonic-flow theory, generalized equations were derived and calculations made for the lift and damping in roll of a limited series of thin sweptback tapered wings. Results are applicable ...
      Subject(s) : COMPUTATION , CONES , DAMPING , DISTRIBUTION , EDGES , FLOW , LEADING , LIFT , LINEARIZATION , MACH , PRESSURE , ROLL , SUBSONIC , SUPERSONIC , SWEPTBACK , THEORY , THIN , TIPS , TRAILING , WING , WINGS ,

    • NASA-LLIS-0139 

      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 and after landing, there are no means aboard the space shuttle orbiter for detection of hazardous gases. A hazardous gas sensing capability internal to orbiter ...
      Subject(s) : Flight Operations , Ground Operations , Hazardous/Toxic Waste/Materials , Launch Vehicle ,

    • NASA-LLIS-1054 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Shipment of Hardware to KSC Before Qualification Testing
      Subject(s) : Aerospace Safety Advisory Panel , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance , Test & Verification ,

    • NASA-LLIS-5197 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: During the Constellation Program, each Ground Systems element generated its requirements independently. Differences in the terminology used by the different elements caused problems such as the inconsistent handling of ...

    • NASA-TN-D-6905 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1972
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A method of parameter extraction for stability and control derivatives of aircraft from flight test data, implementing maximum likelihood estimation, has been developed and successfully applied to actual lateral flight ...
      Subject(s) : AERODYNAMIC , AIRCRAFT , CHARACTERISTICS , CONTROL , DERIVATIVES , ESTIMATES , FIGHTER , FLIGHT , LATERAL , LIKELIHOOD , MAXIMUM , PERFORMANCE , STABILITY , TESTS ,

    • NASA-LLIS-0761 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      The development of in-flight instrumentation, vehicle health management systems, and sensor systems for control and monitoring should be thoroughly integrated into the requirements generation, ...

    • NASA-TM-4611 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An experimental force and moment study was conducted in the Langley 8-Foot Transonic Pressure Tunnel for a generic store in and near rectangular box cavities contained in a flat-plate configuration at subsonic and transonic ...
      Subject(s) : AIRCRAFT , BOUNDARIES , CAVITIES , DISTRIBUTION , FLAT , FLOW , MACH , MODELS , MOMENTS , NUMBER , PITCHING , PLATES , PRESSURE , SPEED , SUBSONIC , SUPERSONIC , TESTS , TRANSONIC , TUNNEL , VISUALIZATION , WIND ,

    • NACA-TR-713 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1941
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation has been made to determine efficient arrangements for an internal-flow system of an aircraft when such a system operates by itself or in combination with other flow systems. The investigation included a ...
      Subject(s) : AERODYNAMIC , AIR , AIRCRAFT , CONFIGURATIONS , DESIGN , FLOW , INLET , INTAKES , TESTS , TUNNEL , WIND ,

    • NACA-WR-L-377 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1941
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Tests have bee; made to determine the effect of a gap at the flap nose upon the aerodynamic section characteristics of an NACA 0009 airfoil with a plain flap and tab. The results are presented in the form of airfoil and ...
      Subject(s) : AIRFOILS , CHAR , CHARACTERISTICS , CONTROL , EFFECT , ELEVATOR , FLAPS , GAP , GAPS , MOMENTS , NACA , SEALED , SURFACES , TABS , TAPS , TESTS , TUNNEL , WIND , WING ,

    • NASA-LLIS-0903 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      HESSI: The structural qualification test, a sine-burst test on a shaker table, subjected the HESSI spacecraft to a major overtest condition that resulted in significant structural damage to ...
      Subject(s) : Hardware , Launch Vehicle , Lifting Devices , Payloads , Risk Management/Assessment , Safety & Mission Assurance , Spacecraft , Test & Verification , Test Article , Test Facility ,

    • NASA-LLIS-2876 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A lead acid battery used for emergency generator starting burst and spread surfuric acid within close proximity of the generator. Diesel Generators (stand-by use) are located in a room at the ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Facilities , Hazardous/Toxic Waste/Materials , Maintenance , Program Management , Risk Management/Assessment , Safety & Mission Assurance ,