1–12 von 12 Ergebnissen
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    In-Flight Subsonic Lift and Drag Characteristics Unique to Blunt-Based Lifting Reentry Vehicles

    Saltzman, Edwin J. / Wang, K. Charles / Iliff, Kenneth W. | NTRS | 2007
    Lift and drag measurements have been analyzed for subsonic flight conditions for seven blunt-based reentry-type vehicles. Five of the ...
    Verlag: NASA National Aeronautics and Space Administration

    Nitric Oxide PLIF Measurements in the Hypersonic Materials Environmental Test System (HYMETS)

    Jennifer Inman / Brett Bathel / Craig Johansen et al. | NTRS
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Instrumentation And Photography

    Real Solutions for Environmental Challenges Facing Aviation

    Fay Collier | NTRS
    - Simultaneous reduction of noise, NOX, and fuel burn at vehicle level - Develop key technologies envisioned for advanced vehicle concepts - Advance TRL ...
    Verlag: NASA National Aeronautics and Space Administration

    In Situ Fabrication and Repair (ISFR) Technologies; New Challenges for Exploration

    Bassler, Julie A. / Bodiford, Melanie P. / Hammond, Monica S. et al. | NTRS | 2006
    NASA's human exploration initiative poses great opportunity and great risk for manned missions to the Moon and Mars. Engineers and ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Lunar And Planetary Science And Exploration

    Effects of Endwall Geometry and Stacking on Two-Stage Supersonic Turbine Performance

    Dorney, Daniel J. / Griffin, Lisa W. / Huber, Frank W. et al. | NTRS | 2002
    gas. These aggressive designs can lead to strong secondary flows and airfoil flow separation. In many cases the secondary and separated flows ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Propulsion And Power

    Design of a Mach-15 Total-Enthalpy Nozzle with Non-Uniform Inflow Using Rotational MOC

    Gaffney, Richard L., Jr. | NTRS | 2005
    the density and Mach number vary radially at the exit due to the non-uniformities of the inflow, the MOC procedure produces exit flow that is ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics

    Analysis and Design of Rotors at Ultra-Low Reynolds Numbers

    Kunz, Peter J. / Strawn, Roger C. | NTRS | 2003
    reasonable agreement both in the global thrust and power required, but the spanwise distributions of these quantities exhibit significant deviations ...
    Verlag: NASA National Aeronautics and Space Administration

    Investigation of Transonic Reynolds Number Scaling on a Twin-Engine Transport

    Curtin, M. M. / Bogue, D. R. / Om, D. et al. | NTRS | 2002
    This paper discusses Reynolds number scaling for aerodynamic parameters including force and wing pressure measurements. A full-span model ...
    Verlag: NASA National Aeronautics and Space Administration

    Thrust Augmentation with Mixer/Ejector Systems

    Presz, Walter M., Jr. / Reynolds, Gary / Hunter, Craig | NTRS | 2002
    ambient. This paper presents new information on thrust performance predictions, and thrust augmentation capabilities of mixer/ejectors. Results ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Propulsion And Power

    Investigation of Reynolds Number Effects on a Generic Fighter Configuration in the National Transonic Facility

    Tomek, W. G. / Hall, R. M. / Wahls, R. A. et al. | NTRS | 2002
    NASA Langley Research Center and McDonnell Douglas. The primary purpose of the test was to assess Reynolds number scale effects on a thin-wing ...
    Verlag: NASA National Aeronautics and Space Administration

    Wind Tunnel Force Balance Characterization for Hypersonic Research Applications: A Case Study in Split-Plot Experiments

    Keith (Chris) Lynn / Sean A Commo | NTRS
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Instrumentation And Photography

    Application of Circulation Control Technology to Airframe Noise Reduction

    Ahuja, K. K. / Sankar, L. N. / Englar, R. J. et al. | NTRS | 2003
    first year s work on the use of steady blowing was described in two AIAA papers presented at the 2001 AIAA Aerospace Sciences Meeting in Reno ...
    Verlag: NASA National Aeronautics and Space Administration