The paper describes the development of a transonic blown multi-foil Augmentor-Wing airfoil section that has a thickness/chord (t/c) value of 0.18. In comparison with an unblown single-foil supercritical section of the same overall t/c the new multi-foil section is characterized by an increased drag rise Mach number, increased buffet boundaries, and a reduction in 'effective' drag due to blowing. Potential advantages of the Augmentor-Wing are considered and the testing of three high-speed models in a trisonic pressurized wind tunnel (possessing a two-dimensional transonic insert) is discussed. The data indicate that a very thick wing is feasible since separations toward the rear of the main foil can be controlled both by shroud location and augmentor blowing.


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    Title :

    The transonic multi-foil Augmentor-Wing


    Contributors:

    Conference:

    V/STOL Conference ; 1977 ; Palo Alto, CA, US


    Publication date :

    1977-06-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English


    Keywords :


    The transonic multi-foil Augmentor-Wing

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    The Transonic Multifoil Augmentor Wing

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    Transonic separated solutions for an augmentor wing

    FLORES, JOLEN / VAN DALSEM / WILLIAM R. | AIAA | 1986