A generalized wind-tunnel model, with canard and wing planform typical of highly maneuverable aircraft, was tested. The addition of a canard above the wing chord plane, for the configuration with leading-edge flaps undeflected, produced substantially higher total configuration lift coefficients before buffet onset than the configuration with the canard off and leading-edge flaps undeflected. The wing buffet intensity was substantially lower for the canard-wing configuration than the wing-alone configuration. The low-canard configuration generally displayed the poorest buffet characteristics. Deflecting the wing leading-edge flaps substantially improved the wing buffet characteristics for canard-off configurations. The addition of the high canard did not appear to substantially improve the wing buffet characteristics of the wing with leading-edge flaps deflected. (Author)


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    Title :

    Effect of Canard Position and Wing Leading-Edge Flap Deflection on Wing Buffet at Transonic Speeds


    Contributors:

    Publication date :

    1974


    Size :

    92 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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