Steady shock wave reflections in thermochemical nonequilibrium flows |
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| Authors: | Y Burtschell DE Zeitoun G Ben-Dor |
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| Institution: | (1) IUSTI UMR CNRS 6595, Université de Provence, 13453 Marseille Cedex 13, France , FR;(2) Department of Mechanical Engineering, Faculty of Engineering Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel , IL |
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| Abstract: | The shock wave reflection phenomena in hypersonic steady air flows, including thermochemical nonequilibrium effects, are
investigated. The main objectives are to study the influence of these effects on the two shock wave reflections (regular and
Mach reflections), on the Mach stem height and on the hysteresis behavior. The air computations are performed using a multi-block
MUSCL-TVD finite-volume scheme. The computational results with and without thermochemical effects in the air mixture flow
at an upstream Mach number equal to 7 are compared. The comparison reveals a strong dependence of the transition angles, of
the height and location of the Mach stem on the physical modeling of the gas flow.
Received 17 February 2000 / Accepted 30 August 2000 |
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| Keywords: | : Steady shock wave reflection Thermochemical nonequilibrium Mach stem height Finite volume computations |
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