The three-dimensional flow that develops around a finite flapping wing is investigated using a tomographic scanning PIV technique. The acquisition and correlation processes employed to achieve such measurements have been carefully validated. Issues regarding the relevant timescales of the flow and the spanwise space-resolution are addressed. Results obtained on a hovering flapping wing whose plunging phase is described by a rectilinear motion highlight the influence of the free end condition and the formation of the tip vortex on the leading edge vortices behavior, wing/wake interactions, and wake stabilization.


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    Titel :

    Time-resolved scanning tomography PIV measurements around a flapping wing


    Beteiligte:
    David, L. (Autor:in) / Jardin, t. (Autor:in) / Braud, P. (Autor:in) / Farcy, A. (Autor:in)

    Erschienen in:

    Experiments in Fluids ; 52 , 4 ; 857-864


    Erscheinungsdatum :

    2012


    Format / Umfang :

    8 Seiten




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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