Computations of drag polars for a low-speed Wortmann sailplane airfoil are compared with both wind tunnel and flight test results. Excellent correlation was shown to exist between computations and flight results except when separated flow regimes were encountered. Smoothness of the input coordinates to the PROFILE computer program was found to be essential to obtain accurate comparisons of drag polars or transition location to either the flight or wind tunnel flight results.


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    Titel :

    Comparison of Wortmann Airfoil Computer-Generated Lift and Drag Polars with Flight and Wind Tunnel Results


    Beteiligte:
    A. H. Bowers (Autor:in) / A. G. Sim (Autor:in)

    Erscheinungsdatum :

    1984


    Format / Umfang :

    16 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch