Pavel Yu. Georgievskiy , Vladimir A. Levin , Oleg G. Sutyrin

DOI Number XXX-YYY-ZZZ

Conference Number HiSST 2018_18401076

Interaction of free shocks waves and bow shocks ahead of blunt bodies with elliptical gas bubbles is studied numerically using two-dimensional axisymmetrical Euler’s equations. Two distinct flow types — internal and external shock refraction patterns — are observed depending on flow parameters for both light and heavy bubble cases. For each case, shock focusing and cumulation process features and their effect on local force loads on the body are shown to depend on shock Mach number, bubble gas density and, most significantly, on bubble shape.

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In Categories: High-Speed Aerodynamics and Aerothermodynamics, HiSST 2018, Hypersonic Aerodynamics
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