1–13 von 13 Ergebnissen
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    Turbulence Mitigation for Aircraft in Urban Environments

    S. Watkins | NTIS | 2018
    response. The PI successfully completed flight trails in wind tunnels and in atmospheric turbulence. Their mitigation system reduced aircraft roll ...
    Schlagwörter: Atmospheric turbulence , Turbulence detection and rejection systems

    Swept-Wing Ice Accretion Characterization and Aerodynamics

    Broeren, Andy P. / Potapczuk, Mark G. / Riley, James T. et al. | NTRS | 2013
    range in the ONERA F1 pressurized wind tunnel and in a smaller-scale atmospheric wind tunnel. Concurrent research will be conducted to explore ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Design, Testing And Performance

    Ice Growth Measurements from Image Data to Support Ice-Crystal and Mixed-Phase Accretion Testing

    Struk, Peter, M / Lynch, Christopher, J. | NTRS | 2012
    This paper describes the imaging techniques as well as the analysis methods used to measure the ice thickness and growth rate in support of ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Air Transportation And Safety

    Aircraft Engine Technology for Green Aviation to Reduce Fuel Burn

    Hughes, Christopher E. / VanZante, Dale E. / Heidmann, James D. | NTRS | 2013
    The NASA Fundamental Aeronautics Program Subsonic Fixed Wing Project and Integrated Systems Research Program Environmentally Responsible ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Propulsion And Power

    Ice Crystal Icing Research at NASA

    Flegel, Ashlie B. | NTRS | 2017
    crystals entering a propulsion system's core flowpath and accreting ice resulting in events such as uncommanded loss of thrust (rollback), engine ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Air Transportation And Safety

    Aerodynamic Characterization of a Thin, High-Performance Airfoil for Use in Ground Fluids Testing

    Broeren, Andy P. / Lee, Sam / Clark, Catherine | NTRS | 2013
    The FAA has worked with Transport Canada and others to develop allowance times for aircraft operating in ice-pellet precipitation. Wind ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Design, Testing And Performance

    Emerging Community Noise Reduction Approaches

    Envia, Edmane | NTRS | 2012
    described herein is on meeting the aggressive near- and mid-term national goals for reducing aircraft noise emissions, which NASA internal studies ...
    Verlag: NASA National Aeronautics and Space Administration

    Development of 3-D Ice Accretion Measurement Method

    Lee, Sam / Broeren, Andy P. / Addy, Harold E., Jr. et al. | NTRS | 2012
    A research plan is currently being implemented by NASA to develop and validate the use of a commercial laser scanner to record and archive ...
    Verlag: NASA National Aeronautics and Space Administration

    Scaling of Lift Degradation Due to Anti-Icing Fluids Based Upon the Aerodynamic Acceptance Test

    Broeren, Andy P. / Riley, James T. | NTRS | 2012
    In recent years, the FAA has worked with Transport Canada, National Research Council Canada (NRC) and APS Aviation, Inc. to develop ...
    Verlag: NASA National Aeronautics and Space Administration

    Common Probe Design Study and Follow-On Activities

    H. H. Hwang | NTIS | 2019
    feasibility of a common aeroshell design for atmospheric probe missions at Venus, Jupiter, Saturn, Uranus, and Neptune. The study involved 4 NASA ...
    Schlagwörter: Atmospheric sounding

    Experimental Methods in Reduced-gravity Soldering Research

    Pettegrew, Richard D. / Struk, Peter M. / Watson, John K. et al. | NTRS | 2002
    monitor both the atmospheric and acceleration environments. The contingent of test operators was selected to include both highly skilled ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Space Processing

    ER-2 High Altitude Solar Cell Calibration Flights

    M. G. Myers / M. F. Piszczor | NTIS | 2015
    the 2014 Space Photovoltaic Research and Technology (SPRAT) Conference in Cleveland, OH shortly following these first flights. At the 2015 ...
    Schlagwörter: Space Technology , High altitude environments

    Orbital Atomic Oxygen Effects on Materials: An Overview of MSFC Experiments on the STS-46 EOIM-3

    R. C. Linton / J. A. Vaughn / M. M. Finckenor et al. | NTIS | 1995
    materials. Marshall Space Flight Center contributed several passive exposure trays of material specimens, uniform stress and static stress material ...
    Verlag: National Aeronautics and Space Administration, Huntsville, AL. George C. Marshall Space Flight Center
    Schlagwörter: Space Technology , Aerospace environments , Atmospheric effects , Space shuttle missions , Space transportation system flights , Space shuttle orbiters