AbstractThe interaction between a shock wave and a boundary layer often leads to extremely detrimental effects, especially if the shock is strong enough to separate the boundary layer. When this happens, there occurs a rapid growth of the dissipative region along with a dramatic intensifying of turbulent fluctuations with the frequent occurrence of buffeting. In the present review some fundamental properties of the interaction are first considered for a two-dimensional, adiabatic flow developing on a flat surface. The following features are first examined: upstream interaction length, incipient shock-induced separation and evolution of the boundary layer properties during the interaction process. Supersonic and transonic flows are both considered. In a second part, the means envisaged to control shock/boundary layer interactions are presented, with emphasis on the physics of phenomena involved in this process. Control methods can be classified into two categories: those acting on the boundary layer properties before it enters the shock region (e.g. wall cooling, wall mass transfer, upstream blowing) and those having a local action in the shock foot region itself (e.g. suction or injection, boundary layer removal, passive control). The most appropriate technique depends on the specific application under consideration. Finally, some calculation methods are briefly presented, most of them being restricted to laminar interactions.


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    Title :

    Shock wave/turbulent boundary layer interaction and its control


    Contributors:

    Published in:

    Publication date :

    1985-06-17


    Size :

    72 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





    Asymmetric crossing shock wave-turbulent boundary layer interaction

    Knight, Doyle / Garrison, T / Settles, G et al. | AIAA | 1995



    Asymmetric Crossing-Shock-Wave/Turbulent-Boundary-Layer Interaction

    Doyle D. Knight / T. J. Garrison / G. S. Settlest et al. | AIAA | 1995