Shedding Intermittency in a Shock Wave-Laminar Boundary Layer Interaction

Abstract eng:
The interaction between an oblique shock wave and a laminar boundary layer has been studied using Direct Numerical Simulations at M = 2.25 for a shock angle β = 33.1◦ . For these shock conditions, the boundary separates and forms a large recirculation bubble. Unlike in the turbulent case, the vortices created in the shear layer are found not to be uniformly distributed along the spanwise direction because of a strong shedding intermittency.

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