Shock train and pseudo-shock phenomena in supersonic internal flows |
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Authors: | Kazuyasu Matsuo |
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Affiliation: | (1) Department of Mechanical Systems and Environmental Engineering, Faculty of Environmental Engineering, University of Kitakyushu, Hibikino, Wakamatsu, 808-0135 Kitakyushu, Japan |
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Abstract: | When a normal shock wave interacts with a boundary layer along a wall surface in supersonic internal flows and the shock is strong enough to separate the boundary layer, the shock is bifurcated and a series of shocks called "shock train" is formed. The flow is decelerated from supersonic to subsonic through the whole interaction region that is referred to as "pseudo-shock". In the present paper some characteristics of the shock train and pseudo-shock and some examples of the pseudo-shocks in some flow devices are described. |
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Keywords: | shock wave shock train pseudo-shock supersonic flow internal flow |
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