This paper describes recent research in integrated aerodynamic-performance design optimization applied to a supersonic transport wing. The subsonic and supersonic aerodynamics are modeled with linear theory and the aircraft performance is evaluated by using a complete mission analysis. The goal of the optimization problem is to either maximize the aircraft range or minimize the take-off gross weight while constraining the total fuel load and approach speed. A major difficulty encountered during this study was the inability to obtain accurate derivatives of the aerodynamic models with respect to the planform shape. This work addresses this problem and provides one solution for the derivative difficulties. Additional optimization studies reveal the impact of camber design on the global optimization problem. In these studies, the plan-form optimization is first conducted on a flat plate wing and camber optimization is performed on the resulting planform. These results are compared with those obtained through use of a parametric description for the mean camber surface and simultaneous design of the planform and camber surface.


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    Title :

    Aerodynamic-Performance Planform and Camber Optimization of a Supersonic Transport Wing


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Aerospace Technology Conference and Exposition ; 1993



    Publication date :

    1993-09-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





    Aerodynamic-Performance Planform and Camber Optimization of a Supersonic Transport Wing

    Unger, E. R. / Coen, P. G. / SAE | British Library Conference Proceedings | 1993


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