This study focuses on Active Flow Control methods used in conjunction with airplane high-lift systems. The project is motivated by the simplified high-lift system, which offers enhanced airplane performance compared to conventional high-lift systems. Computational simulations are used to guide the implementation of preferred flow control methods, which require a fluidic supply. It is first demonstrated that flow control applied to a high-lift configuration that consists of simple hinge flaps is capable of attaining the performance of the conventional high-lift counterpart. A set of flow control techniques has been subsequently considered to identify promising candidates, where the central requirement is that the mass flow for actuation has to be within available resources onboard. The flow control methods are based on constant blowing, fluidic oscillators, and traverse actuation. The simulations indicate that the traverse actuation offers a substantial reduction in required mass flow, and it is especially effective when the frequency of actuation is consistent with the characteristic time scale of the flow.


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    Title :

    Development of an Active Flow Control Technique for an Airplane High-Lift Configuration


    Contributors:
    A. Shmilovich (author) / Y. Yadlin (author) / E. D. Dickey (author) / P. M. Hartwich (author) / A. Khodadoust (author)

    Publication date :

    2017


    Size :

    29 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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