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    Aerodynamic Modeling for Post-Stall Flight Simulation of a Transport Airplane

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    Date
    2019-04-09
    Author
    Abramov, Nikolay;
    Goman, M. (Mikhail G.);
    Khrabrov, A. N. (Alexander N.);
    Soemarwoto, B.
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    Abstract
    The principles of aerodynamic modeling in the extended flight envelope, which is characterized by the development of separated flow, are outlined and illustrated for a generic transport airplane. The importance of different test techniques for generating wind tunnel data and the procedure for blending the obtained experimental data for aerodynamic modeling are discussed. Complementary use of computational fluid dynamics simulations reveals a substantial effect of the Reynolds number on the intensity of aerodynamic autorotation, which is later reflected in the aerodynamic model. Validation criteria for an extended envelope aerodynamic model are discussed, and the important role of professional test pilots with post-stall flying experience in tuning aerodynamic model parameters is emphasized. The paper presents an approach to aerodynamic modeling that was implemented in the project Simulation of Upset Recovery inAviation (2009–2012), funded by the EuropeanUnion under the seventh framework programme. The developed post-stall aerodynamic model of a generic airliner configuration for a wide range of angles of attack, sideslip, and angular rate was successfully validated by a number of professional test pilots on hexapod and centrifuge-based flight simulator platforms.
    Description
    The file attached to this record is the author's final peer reviewed version.
     
    open access article
     
    Citation : Abramov, N., Goman, M.G., Khrabrov, A. N., Soemarwoto, B.I. (2019) Aerodynamic Modeling for Post-Stall Flight Simulation of a Transport Airplane. Journal of Aircraft, 56 (4)
    URI
    http://hdl.handle.net/2086/17617
    DOI
    https://dx.doi.org/10.2514/1.C034790
    ISSN : 0021-8669
    Research Group : Institute of Engineering Sciences (IoES)
    Peer Reviewed : Yes
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