A wind-tunnel flutter test on a supercritical wing model is described. Objectives of the test were to investigate the transonic dip and to enable comparison with calculated flutter characteristics in which a quasi-three dimensional transonic theory was used. The beginning of a transonic dip was measured and a satisfactory agreement with theory could be found. An additional flutter instability in the bottom of the transonic dip could be correlated with the loose of transition strip effectivity at low Reynolds numbers.


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    Title :

    A Wind Tunnel Study of the Flutter Characteristics of a Supercritical Wing


    Contributors:
    R. Houwink (author) / A. N. Kraan (author) / R. J. Zwaan (author)

    Publication date :

    1981


    Size :

    10 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Wind-Tunnel Study of the Flutter Characteristics of a Supercritical Wing

    R. Houwink / A. N. Kraan / R. J. Zwaan | AIAA | 1982


    Supercritical Wing Flutter

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