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

Now showing items 1321-1340 of 3613

    • NASA-TR-R-274 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1967
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Experimentally determined local flow properties and drag coefficients for family of blunt bodies at Mach numbers from 2.49 to 4.63
      Subject(s) : AERODYNAMIC , AFTERBODIES , BLUNT , BODIES , BODY , CHARACTERISTICS , COEFFICIENT , COEFFICIENTS , DRAG , FLOW , MACH , MEASUREMENT , NUMBER , SUPERSONIC ,

    • NACA-TR-1263 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This report presents the results of an investigation conducted in the Langley 300 mph 7- by 10-foot wind tunnel for the purpose of determining the aerodynamic characteristics of a model wing-propeller combination, and of ...
      Subject(s) : AERODYNAMIC , AIRCRAFT , ANGLE , ATTACK , CHARACTERISTICS , CONFIGURATIONS , DYNAMIC , FLIGHT , LANDING , LIFT , LOADING , MOMENTS , PERFORMANCE , PITCHING , PRESSURE , PROPELLER , PROPELLERS , SLIPSTREAMS , TAKEOFF , TESTS , THRUST , TUNNEL , WIND , WING , WINGS ,

    • NASA-TN-D-523 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1960
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation has been made in the Mach 3.5 blowdown jet of the Langley High-Temperature Fluid Mechanics Section of the flow in a rectangular cavity in a flat plate. The results indicate that a critical value of the ...
      Subject(s) : BLOWDOWN , BOUNDARY , CAVITIES , CHARACTERISTICS , DISTRIBUTION , FLAT , FLOW , LAYER , PHOTOGRAPHY , PLATES , PRESSURE , SCHLIEREN , SPAN , SUPERSONIC , TESTS , TUNNEL , TUNNELS , TURBULENT , WIND , WING ,

    • NACA-TN-2948 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Flight tests were made with a typical light airplane to investigate possibilities for obtaining reliable control at low flight speeds. It was found that satisfactory lateral control occurred consistently, even under ...

    • NASA-TR-CR-114289 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Sensitivity analysis of advance propeller configurations designed for general aviation aircraft of 1980 time period.
      Subject(s) : COMPUTER PROGRAMS , COST ANALYSIS , GENERAL AVIATION AIRCRAFT , NOISE (SOUND) , PERFORMANCE PREDICTION , PROPELLERS , SENSITIVITY , WEIGHT (MASS) ,

    • NASA-LLIS-0466 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During the visual receiving inspection process of the fourth stage Altair IIIA motor for a 1984 launch from the Wallops Flight Facility, a delamination was found in the ...
      Subject(s) : Hardware , Launch Vehicle , Logistics , Packaging Handling Storage ,

    • NASA-LLIS-0275 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Over the years, numerous incidents of failed solder joints have occurred to electronic equipment at JPL and contractor facilities. The problem was traced to thermal cycling of conformal ...
      Subject(s) : Environment , Flight Equipment , Hardware , Industrial Operations , Parts Materials & Processes ,

    • NASA-TP-1306 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1979
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Two identification methods, the equation error method and the output error method, are used to estimate stability and control parameter values from flight data for a low-wing, single-engine, general aviation airplane. The ...
      Subject(s) : AERODYNAMIC , AIRCRAFT , ANALYSIS , CHARACTERISTICS , CONTROL , EQUATIONS , ESTIMATES , FLIGHT , LEAST , LIGHT , LIKELIHOOD , MAXIMUM , METHOD , MONITORING , MOTION , PARAMETERIZATION , REGRESSION , SQUARES , STABILITY , SURFACES ,

    • NASA-LLIS-1306 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The signed Memorandum of Understanding (MOU) was needed repeatedly throughout the mission development process. The mission had a complete and timely MOU in place far in ...
      Subject(s) : Administration/Organization ,

    • NACA-RM-L55J25 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The National Advisory Committee for Aeronautics is conducting wind-tunnel investigations to determine the aerodynamic characteristics of airplane models with various arrangements of the component parts. ...

    • NACA-ARR-L5C24 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1945
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Tests have been made to study the effectiveness of small pressure differences, such as exist between the inside of airplane ducts and the external airplane surfaces suitable for duct exits, in removing the duct boundary ...

    • NASA NPR 5101.33 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      This NPR provides internal guidance for Agencywide advocacy roles:
      a. The NASA Procurement Ombudsman.
      b. Competition and Commercial Item Advocacy.
      c. Value Engineering (VE). ...

    • NASA-TN-D-2280 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1964
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Heat transfer and average friction coefficients for hydrogen and helium flowing in tungsten tube.
      Subject(s) : COEFFICIENT OF FRICTION , FRICTION , FRICTION COEFFICIENT , HEAT TRANSFER , HELIUM , HYDROGEN , SURFACE TEMPERATURE , TUNGSTEN ,

    • NASA-LLIS-0368 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Galileo: The spare Galileo high gain antenna was damaged during modal, acoustic, and pyro shock testing, resulting in the revocation of the flight qualification of the spare. Be cautious of ...
      Subject(s) : Environment , Hardware , Test & Verification ,

    • NASA-LLIS-2036 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Tunable Laser Spectrometer (TLS) are sensitive to optical standing wave contamination that can be ameliorated by making small adjustments in instrument alignment after system integration. ...
      Subject(s) : 1.Flight Equipment , 1.Hardware , 1.Payloads , 1.Planning of requirements verification processes , 1.Risk Management/Assessment , 1.Spacecraft and Spacecraft Instruments , 1.Test & Verification , 1.Test Article ,

    • NASA-LLIS-1075 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Implementation of logistics functions under the Space Flight Operations Contract (SFOC)
      Subject(s) : Aerospace Safety Advisory Panel , Logistics , Parts Materials & Processes , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance ,

    • NACA-RM-A8H30 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      A systematic investigation of the control-surface characteristics, particularly the hinge-moment parameters, of horizontal-tail surfaces has been undertaken by the NACA to provide experimental results for ...

    • NASA-LLIS-0718 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)

    • NASA-LLIS-1534 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Dryden Aerospike Rocket Test Director's Discretionary Fund (DDF) project conducted flight research of an aerospike rocket nozzle design using high power amateur rockets. The standard ...
      Subject(s) : Accident Investigation , Aircraft , Flight Operations , Payloads , Range Operations , Safety & Mission Assurance , spacecraft ,

    • NASA-TP-1652 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1980
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Experimental values of shock shapes (angles of attack of 0 deg and 10 deg) and static aerodynamic coefficients (angles of attack of -4 deg to 12 deg for sharp and spherically blunted cones having cone half angles of 30 ...
      Subject(s) : AERODYNAMIC , AEROSPACE , ANALYSIS , ANGLE , ATTACK , BLUNT , BODIES , COEFFICIENTS , CONES , CONFIGURATIONS , ENGINEERING , GALILEO , HEAT , HYPERSONICS , MACH , NOSE , NUMBER , NUMERICAL , PERFORMANCE , PREDICTION , PROJECT , SHOCK , SPACECRAFT , SPECIFIC , WAVES ,