Abstract This paper presents a general review of methods at present available for treating problems of supersonic turbulent separated flows. The essential physical characters of these phenomena are first described in detail, on the example of a step. Then we examine the two theoretical avenues of research most frequently used to treat that kind of problem, viz. on the one hand, the overall methods based on the Chapman-Korst flow model; on the other hand, the integral techniques. The study of the overall methods is centred on the theories calling upon the concept of reattachment angle criterion; it is illustrated by many applications concerning widely different cases. The integral methods are first presented in a general way; we then discuss the problems raised by the resolution of the differential system describing the phenomenon (subcritical or supercritical behaviour of the solution) and several examples are presented. Lastly, we show how insufficient may be the theoretical models making use of the Prandtl boundary layer equations.


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    Title :

    Methodes de calcul des ecoulements turbulents decolles en supersonique


    Contributors:

    Published in:

    Publication date :

    1975-01-01


    Size :

    45 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English