Preliminary estimates of aerodynamic parameters of an advanced fighter aircraft were obtained from flight data of different values of the angle of attack from 8 to 54 deg. The data were analyzed by a stepwise regression with the ordinary least squares technique. The estimated stability and control derivatives are plotted against the angle of attack and compared with wind tunnel measurement and previous flight results. Also included is the data compatibility check of measured data. The effect of various input forms on the estimates is demonstrated in two examples using simulated data.


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    Title :

    Aerodynamic Parameters of an Advanced Fighter Aircraft Estimated from Flight Data. Preliminary Results


    Contributors:
    V. Klein (author) / K. P. Breneman (author) / T. P. Ratvasky (author)

    Publication date :

    1989


    Size :

    59 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English