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

Now showing items 3601-3613 of 3613

    • NASA-LLIS-1601 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      During an approved test procedure, an additional effort was undertaken in the hopes of saving time, and expediting a modification. This modification was not approved as part of the test ...
      Subject(s) : Accident Investigation , Flight Equipment , Hardware , Safety & Mission Assurance , Test & Verification ,

    • NACA-TR-751 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1942
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A preliminary study of pitching-moment data on tapered wings indicated that excellent agreement with test data was obtained by locating the quarter-chord point of the average chord on the average quarter-chord point of the ...

    • NACA-WR-L-445 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1941
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Aerodynamic characteristics of a rectangular NACA 23012 airfoil with single and double perforated split flaps have been determined in the NACA 7- by 10-foot wind tunnel. A large range of flap spans and deflections and a ...
      Subject(s) : AIR , AIRFOILS , CHAR , CONTROL , DIVE , DOUBLE , FLAPS , FLOW , MOMENTS , NACA , PERFORATED , SPLIT , WAKES , WING ,

    • NASA-LLIS-0910 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Numerous cost, schedule, technical and programmatic problems due to Prime Contractor's closure of East Coast production facility and program relocation to West Coast. Also, ...
      Subject(s) : Financial Management ,

    • NACA-RM-A7H29 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Various methods have been devised for relieving the excessive control forces experienced in airplanes when maneuvering at high speeds. These methods usually incorporate some form of control-surface balance ...

    • NASA-LLIS-0673 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      DC drive motor over-speed detection using a voltage sensing relay.

    • NACA-TN-3726 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Based on assumptions which have led to the best agreement between theory and test data on inelastic buckling of flat plates, a general set of equilibrium differential equations for the plastic buckling of cylinders has ...

    • NASA-TM-83199 PART 1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1982
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Aircraft noise prediction theoretical methods are given. The prediction of data which affect noise generation and propagation is addressed. These data include the aircraft flight dynamics, the source noise parameters, and ...
      Subject(s) : AIRCRAFT NOISE , ENGINE NOISE , ESTIMATES , FORECASTING , FUEL COMBUSTION , MATHEMATICAL MODELS , NOISE GENERATORS , NOISE PREDICTION (AIRCRAFT) , NOISE PROPAGATION , PREDICTION ANALYSIS TECHNIQUES , TURBOFAN ENGINES , TURBOFANS ,

    • NACA-TR-1050 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The method of superposition of linearized conical flows has been applied to the calculation of the aerodynamic properties, in supersonic flight, of thin flat, swept-back wings at an angle of attack. The wings are assumed ...
      Subject(s) : AERODYNAMIC , CHARTS , COMPUTATIONAL , CONICAL , DISTRIBUTION , DRAG , DYNAMICS , EDGES , EQUATIONS , FLAT , FLOW , FLUID , FORCES , LEADING , LIFT , LINEAR , LOAD , SURFACES , SWEPTBACK , THIN , TIPS , WING , WINGS ,

    • NASA-LLIS-0547 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      On the MIDAS project, thermal analysis for the Shuttle locker payload was performed without the fan in the locked rotor condition (maximum heat dissipation).
      Subject(s) : Hardware , Test & Verification ,

    • NASA-LLIS-1370 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Over the last 9 years, the Shuttle program has flown Global Positioning System (GPS) receivers and Space Integrated GPS/Inertial Navigation System (SIGI) units. The NASA Johnson Space Center ...
      Subject(s) : Administration/Organization , Communication Systems , Computers , External Relations , Flight Equipment , Flight Operations , Independent Verification and Validation , Information Technology/Systems , NASA Standards , Policy & Planning , Procurement , Small Business & Industrial Relations , Research & Development , Risk Management/Assessment , Safety & Mission Assurance , Software , Spacecraft , Standard , Test & Verification ,

    • NACA-TN-3288 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A general theory of the so-called "equations-of-motion" methods for the analysis of linear dynamical systems is developed first. It is then shown that when viewed from this general point of vantage, all of these linear ...

    • NASA-CR-3081 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1979
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Force and surface pressure distributions were measured for the 21% LS(1)-0421 modified airfoil fitted with 20% aileron, 25% slotted flap and 10% slot lip spoiler. All tests were conducted at a Reynolds number of 2.2 x 10 ...
      Subject(s) : AILERONS , AIRFOIL , DISTRIBUTION , DRAG , GAW , LIFT , MOMENTS , PITCHING , PRESSURE , SLOT , SLOTS , SPOILER , SPOILERS , TESTS , TUNNEL , WIND ,