NASA conducted flight tests to measure the exhaust products from alternative fuels using a DC-8 transport aircraft and a Falcon business jet. An independent analysis of the maximum vortex-induced loads on the Falcon in the DC-8 wake was conducted for pre-flight safety analysis and to define safe trail distances for the flight tests. Static and dynamic vortex-induced aerodynamic loads on the Falcon were predicted at a matrix of locations aft of the DC-8 under flight-test conditions, and the maximum loads were compared with design limit loads to assess aircraft safety. Trajectory simulations for the Falcon during close encounters with the DC-8 wake were made to study the vortex-induced loads during traverses of the DC-8 primary trailing vortex. A parametric study of flight traverses through the trailing vortex was conducted to assess Falcon flight behavior and motion characteristics.


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    Titel :

    Wake-Induced Aerodynamics on a Trailing Aircraft


    Beteiligte:
    M. R. Mendenhall (Autor:in) / D. J. Lesieutre (Autor:in) / M. J. Kelly (Autor:in)

    Erscheinungsdatum :

    2016


    Format / Umfang :

    17 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Wake-Induced Aerodynamics on a Trailing Aircraft

    Mendenhall, Michael R. / Lesieutre, Daniel J. / Kelly, Michael J. | NTRS | 2016


    Trailing Vortex Wake Distortion and its Influence on Aircraft Safety

    Nelson, R. C. / European Mechanics Committee | British Library Conference Proceedings | 2002



    Experimental aerodynamics of mesoscale trailing-edge actuators

    Solovitz, S.A. / Eaton, J.K. | Tema Archiv | 2002


    Aerodynamics of wake vortices.

    BROWN, C. E. | AIAA | 1973