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Numerical simulation of the formation of return reflected shock wave in semi-closed channel with gas-permeable highly porous barriers
Mironov S. G.
1, Poplavskaya T. V.
1, Kirilovskiy S. V.
1, Tsyryulnikov I. S.
1
1Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
Email: mironov@itam.nsc.ru, popla@itam.nsc.ru, kirilov@itam.nsc.ru, tsivan@itam.nsc.ru
The article presents the results of a numerical study of the interaction of a shock wave (Mach number M=1.39) formed at the entrance to a semi-closed cylindrical channel with highly porous gas-permeable barriers located within it. Barriers with a non-uniform spatial structure preventing the formation of a return reflected shock wave near the channel entrance are considered. A method for controlling the formation of shock waves in the return flow of the exhaust duct of a pulsed wind tunnel is proposed. Keywords: shock waves, semi-closed channel, gas-permeable highly porous barriers, control method, numerical simulation.
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