Recent Orbiter wind tunnel data and flight data have been used to evaluate boundary-layer transition induced by discrete-roughness elements on the Orbiter windward surface. Orbiter flow field calculations have been used to compute transition parameter and disturbance parameters for correlating the results and comparing the trends. Existing transition correlations have been modified and applied to the Orbiter. These correlations provide a means to predict transition on the Orbiter given a known isolated roughness element. Furthermore, these data and data reduction methods provide information and guidance for the prediction of transition due to discrete-roughness elements on future winged reentry vehicles.


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    Title :

    Isolated Roughness Induced Boundary-Layer Transition: Shuttle Orbiter Ground Tests and Flight Experience


    Contributors:
    S. A. Bouslog (author) / J. J. Bertin (author) / S. A. Beery (author) / J. M. Caram (author)

    Publication date :

    1997


    Size :

    22 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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