A computational study of flow developments over airfoils with backward-facing steps is conducted to explore the possibility of enhancing aerodynamic performance of the airfoils by vortex generation. The study focuses on the effects of the separated flow and subsequent vortex formation generated by the step on pressure distributions around two airfoil profiles. Step location and size are varied to determine their effect on lift, drag, and L/D ratio. A discussion of the effects and trends of the various step configurations on airfoil performance is presented along with the results that may serve as a reference for employing a control criteria to optimize airfoil geometries during flight.


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    Title :

    Aerodynamic characteristics of airfoils with backward-facing step configurations


    Additional title:

    Aerodynamische Kennwerte von Tragflügelprofilen mit rückwärts gerichteten Stufenkonfigurationen


    Contributors:

    Published in:

    Publication date :

    1996


    Size :

    17 Seiten, 13 Bilder, 11 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Aerodynamic Characteristics of Airfoils with Backward-Facing Step Configurations

    Finaish, Fathi / Witherspoon, Stephen | SAE Technical Papers | 1996


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