The interaction of two oblique conical shock waves has been investigated in an axisymmetrical flow. The first one is produced by a conical ring with a sharp leading edge located at the exit of a supersonic nozzle. The second one is generated by a curvilinear cone placed in the test chamber and along the symmetry axis of the nozzle. This flow field is absolutely free of three-dimensional effects. The displacement of the mobile cone leads to an interaction of an oblique shock wave with a diverging curvilinear shock which the strength changes. Recently, the experimental results have shown three different structures of the two shock wave interactions and hysteresis effects between them. A description of these shock wave interactions is obtained by solving numerically the unsteady Euler or Navier-Stokes equations. By comparison with the experimental ones, the results show the important role of viscous effects for a correct description and understanding of these shock interactions.
Comparison of Experimental and Numerical Investigations of Conical Shock Wave Interactions in Steady Flows
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Burtschell, Y, & Zeitoun, DE. "Comparison of Experimental and Numerical Investigations of Conical Shock Wave Interactions in Steady Flows." Proceedings of the ASME 2002 Joint U.S.-European Fluids Engineering Division Conference. Volume 1: Fora, Parts A and B. Montreal, Quebec, Canada. July 14–18, 2002. pp. 1097-1104. ASME. https://doi.org/10.1115/FEDSM2002-31091
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