Optimal 2D flapping wing kinematics and wing shape are obtained based on well-established unsteady flow characteristics to maximize the mean lift. Flow characteristics, e.g., creation and evolution (strength and position) of the attached leading and trailing edge vortex, vortex shedding and subsequent wake capture, Kramer’s and transient effects, are modeled via the potential flow analyses performed on a finite set of cross flow planes. The stabilizing axial flow across the helical vortex is computed by considering the variation in span-wise vortex properties and centrifugal forces due to wing rotation. Post detachment, vortex decay is captured in the wake. The consequent variation in pressure around the wing chord is used to compute the mean lift per cycle.


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    Title :

    Bioinspired Mechanism Synthesis for Flapping Flight with Unsteady Flow Effects


    Contributors:


    Publication date :

    2015


    Size :

    10 Seiten





    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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