The influence of spanwise turbulence on airplane dynamic behavior is determined. Calculations are based on data collected from test flights with the NASA B-57 research aircraft. The approach is to first compute aerodynamic forces and moments due to a spanwise distribution of angle of attack and airspeed. Secondly, these quantities are incorporated into the equations of motion. Simulation of flights done with the effects of spanwise turbulence included are compared to simulations without any spanwise turbulence. The findings of the study are that the moments developed by turbulence along the span are significant and that more realistic flight simulation can be achieved by including the spanwise turbulence terms.


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    Title :

    Analysis of aerodynamic coefficients using gradient data: Spanwise turbulence effects on airplane response


    Contributors:
    Ringnes, E. A. (author) / Frost, W. (author)

    Publication date :

    1986-02-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English