A wind-tunnel study was undertaken to directly compare the measured flutter boundaries of two dynamically similar aeroelastic models which had the same planform, maximum thickness-to-chord ratio, and as nearly identical stiffness and mass distributions as possible, with one wing having a supercritical airfoil and the other a conventional airfoil. The considerations and problems associated with flutter testing supercritical wing models at or near design lift coefficients are discussed, and the measured transonic boundaries of the two wings are compared with boundaries calculated with a subsonic lifting surface theory. (Author)


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    Title :

    Comparison of Supercritical and Conventional Wing Flutter Characteristics


    Contributors:
    M. G. Farmer (author) / P. W. Hanson (author) / E. C. Wynne (author)

    Publication date :

    1976


    Size :

    9 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Comparison of supercritical and conventional wing flutter characteristics

    Farmer, M. G. / Hanson, P. W. / Wynne, E. C. | NTRS | 1976





    Supercritical Wing Flutter

    J. A. McGrew / J. P. Giesing / R. M. Pearson et al. | NTIS | 1978