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Analytical and experimental investigations of the reflection of asymmetric shock waves in steady flows

Published online by Cambridge University Press:  10 July 1999

H. LI ,
A. CHPOUN  and
G. BEN-DOR
H. LI
Affiliation:
Pearlstone Center for Aeronautical Engineering Studies, Department of Mechanical Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel Department of Mechanical and Aerospace Engineering, University of California at Irvine, Irvine, CA, USA
A. CHPOUN
Affiliation:
Laboratoire d'Aérothermique du CNRS, Meudon, France
G. BEN-DOR
Affiliation:
Pearlstone Center for Aeronautical Engineering Studies, Department of Mechanical Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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Abstract

The reflection of asymmetric shock waves in steady flows is studied both theoretically and experimentally. While the analytical model was two-dimensional, three-dimensional edge effects influenced the experiments. In addition to regular and Mach reflection wave configurations, an inverse-Mach reflection wave configuration, which has been observed so far only in unsteady flows (e.g. shock wave reflection over concave surfaces or over double wedges) has been recorded. A hysteresis phenomenon similar to the one that exists in the reflection of symmetric shock waves has been found to also exist in the reflection of asymmetric shock waves. The domains and transition boundaries of the various types of overall reflection wave configurations are analytically predicted.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 390 , 10 July 1999 , pp. 25 - 43
Copyright
© 1999 Cambridge University Press

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