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

Now showing items 1881-1900 of 3613

    • NACA-TN-3963 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1957
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The low-speed stalling characteristics of a large number of airfoil sections have been correlated with Reynolds number and a single airfoil ordinate near the leading edge as the correlating parameters. The correlation is ...

    • NASA-TN-D-548 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1960
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Measurements of clear-air turbulence by use of airplane-borne instrumentation have been obtained from NASA VGH recorders during research flights of Lockheed U-2 airplanes to altitudes of 75,000 feet over several areas of ...
      Subject(s) : AIRBORNE EQUIPMENT , ALTITUDE , ATMOSPHERIC SOUNDING , ATMOSPHERIC TURBULENCE , CLEAR AIR TURBULENCE , FLOW MEASUREMENT , JAPAN , METEOROLOGICAL PARAMETERS , NORTHERN HEMISPHERE , U-2 AIRCRAFT ,

    • NASA-LLIS-0529 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      On 8-5-83 a fire occurred in Building 1268A. The fire, which ignited on the building roof, caused no personnel injuries and resulted in damage under $5,000. The fire was ...
      Subject(s) : Fire Protection , Industrial Operations ,

    • NASA-STD-8709.22 W/CHG 1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      This standard defines uniform safety, reliability, maintainability, and quality assurance (SRM&QA) and risk management terms to support effective communication within NASA and with its contractors. ...

    • NASA-LLIS-0349 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Early in the flight, Magellan REM temperatures exceeded predictions by over 20 degrees C. for certain spacecraft orientations. This necessitated changes in the mission profile. Subsystem ...
      Subject(s) : Design Fix Verification , Test & Verification ,

    • NASA-LLIS-1397 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A Ka-band return infrastructure was implemented for NASA's Space Network under the GSFC Ka- Band Transition Project (KaTP). Throughout the requirements development, design, implementation, ...
      Subject(s) : Communication Systems , Facilities , Ground Equipment , Ground Operations , Hardware , Independent Verification and Validation , NASA Standards , Parts Materials & Processes , Research & Development , Test & Verification , Test Article , Test Facility ,

    • NACA-TN-4363 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1958
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A simplified method has been devised for determination of the critical height of three-dimensional roughness particles required to promote premature transition of a laminar boundary layer on models of airplanes or airplane ...
      Subject(s) : AIRCRAFT MODELS , BOUNDARY LAYER TRANSITION , FLOW VISUALIZATION , HEIGHT , LAMINAR BOUNDARY LAYER , PARTICLES , SURFACE ROUGHNESS EFFECTS , TURBULENT BOUNDARY LAYER , WIND TUNNEL MODELS ,

    • NASA-MEMO-5-16-59 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1959
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Wind-tunnel measurements were made of the static and dynamic rotary stability derivatives of an airplane model having sweptback wing and tail surfaces. The Mach number range of the tests was from 0.23 to 0.94. The components ...

    • NASA-LLIS-6637 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Project readiness to implement EVM may be constrained by limited Project Office knowledge and understanding of EVM systems and practices. NASA should promulgate an Agency-wide project management approach (i.e., people, ...

    • NASA NPR 3530.1 REV C 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      This document establishes policy, responsibilities, and procedural requirements for pay and compensation at the National Aeronautics and Space Administration (NASA).
      This NASA Procedural ...

    • NASA-LLIS-0141 

      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 10-ton crane at the RTGF is used to lift and position radioisotope thermoelectric generators and ground support equipment. Crane electrical component failure increases ...
      Subject(s) : Facilities , Lifting Devices ,

    • NASA-LLIS-0147 

      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 orbital maneuvering system engine trickle purge system is used to prevent oxidation/corrosion damage to the OMS engine injector ball joints. A 1.0 - 1.5 SCFM GN2 flow ...
      Subject(s) : Flight Equipment , Ground Operations , Hardware ,

    • NASA NPR 2092.1 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE. NASA may receive royalties or other payments as a result of the licensing or assignment of inventions described and claimed in patents and patent applications, or as otherwise provided by law. NASA, in accordance ...

    • NASA-LLIS-3762 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Two Command and Data Simulator (CADS) checkout computers located in the CADS room are attached to dedicated UPSs. During Space Shuttle Main Engine (SSME) validation, the ...
      Subject(s) : Emergency Preparedness , Facilities , Ground Operations , Ground processing and manifesting , Long-term sustainability and maintenance planning , Maintenance ,

    • NASA-LLIS-1056 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The X-33 STA tank was sent from Marshall Space Flight Center (MSFC), Huntsville, Alabama, to NASA Glenn Research Center, Cleveland, Ohio via commercial ground carrier. The ...
      Subject(s) : Flight Equipment , Ground Operations , Hardware , Human Factors , Logistics , Parts Materials & Processes , Safety & Mission Assurance , Spacecraft , Test Article , Transportation ,

    • NASA NPD 9080.1 REV G 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      This directive applies to NASA Headquarters and NASA Centers, including Component Facilities.
      All services, sales, or use of Government goods or resources are covered, with the exception ...

    • NASA-TN-D-7192 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1973
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was conducted to determine the effect of fineness ratio on the drag of circular-arc boattails at subsonic and low supersonic speeds. The boattails had closure ratios of 0.50 and incorporated convergent ...
      Subject(s) : AERODYNAMIC , AFTERBODIES , BOATTAILS , COEFFICIENTS , DRAG , EXHAUST , FINENESS , JET , NOZZLES , RATIO , REDUCTION , TRANSONIC , TUNNELS , WIND ,

    • NASA-LLIS-0763 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      To achieve high overall liquid rocket fueled propulsion system reliability, conduct a comprehensive test program that verifies and validates the liquid rocket engine's operation as it interacts ...

    • NACA-TR-718 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1941
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A pressure-distribution investigation has been conducted in the NACA 4 by 6-foot vertical wind tunnel to determine the air loads on an NACA 23012 airfoil in combination with a 25.66-percent-chord slotted flap and a ...
      Subject(s) : AERODYNAMIC , AIRCRAFT , AIRFOIL , AIRFOILS , ANGLE , ATTACK , CENTER , CHORDS , COEFFICIENTS , DESIGN , DISTRIBUTION , FLAPS , FORCE , GEOMETRY , LOADS , MOMENTS , PITCHING , PRESSURE , PROFILES , SLOTS , SPLIT , STRUCTURES , TESTS , TUNNEL , WIND , WING ,

    • NASA-LLIS-1593 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The on-board attitude determining sensors did not interface well together.
      Subject(s) : Risk Management/Assessment , Software ,