Study on Mach Stem Shape of the Asymmetric Overall Mach Reflection
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In this paper, the Mach stem shape of the asymmetric overall Mach reflection is studied analytically. Based on the experimental results, we can conclude that the angle difference between two wedges would result in the flow deflection. Then, we assume the Mach stem is ellipse shaped. Afterward, the analytical method is applied to describe the Mach stem shape. Compared to the fine structures using nano-tracer planar laser scattering (NPLS) technique, the analytical results agree well with the experimental results.