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Shock structure near a wall in pure inert gas and in binary inert-gas mixtures

Published online by Cambridge University Press:  20 April 2006

B. Schmidt ,
F. Seiler  and
M. Wörner
B. Schmidt
Affiliation:
Institut für Strömungslehre und Strömungsmaschinen, Universität Karlsruhe, F.R.G.
F. Seiler
Affiliation:
Institut für Strömungslehre und Strömungsmaschinen, Universität Karlsruhe, F.R.G.
M. Wörner
Affiliation:
Institut für Strömungslehre und Strömungsmaschinen, Universität Karlsruhe, F.R.G.
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Abstract

The shock-wave structure close to a wall in pure argon and binary mixtures of noble gases (argon–helium, xenon–helium) is investigated experimentally and numerically in the shock-wave Mach-number range 2·24 ≤ Ms ≤ 9.21. Measured and calculated density profiles are compared, and some conclusions are drawn about the accommodation at the wall and the intermolecular force potential.

For binary gas mixtures only a few results are presented. Weak argon signals of the electron-beam-luminescence method on the experimental side and the computer time needed for the numerical simulation allowed the treatment of a few parameter combinations only.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 143 , June 1984 , pp. 305 - 326
Copyright
© 1984 Cambridge University Press

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