On the interaction of oblique shocks and laminar mixing layer

Abstract eng:
This paper examines the interaction of a mixing layer separating two supersonic streams with an oblique shock approaching from the faster stream with an incident angle sufficiently small for the resulting post-shock flow to remain everywhere supersonic. The interaction region, including the shape of the resulting curved shock, is described by integrating the Euler equations in the post-shock region formulated in characteristic form subject to the Rankine-Hugoniot jump conditions at the shock front, thereby accounting for the influence of the post-shock flow in the computation of the shock curvature. The results are used to investigate the accuracy of Whitham’s rule for computing the shape of the shock wave in these scenarios.

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