Investigation of magnetohydrodymamic interaction in a supersonic air flow at M = 8

The influence of magnetohydrodynamic interaction localized before a model on the position of a shock wave attached to a wedge is experimentally and numerically investigated. The investigation is carried out in an air flow with a Mach number of 8. It is shown that, for a hydromagnetic interaction par...

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Bibliographic Details
Published in:Technical physics 2011-03, Vol.56 (3), p.327-334
Main Authors: Korotaeva, T. A., Fomichev, V. P., Shashkin, A. P., Yadrenkin, M. A.
Format: Article
Language:English
Subjects:
Analysis
Classical and Continuum Physics
Electric properties
Gases and Liquids
Investigations
Ionization
Physics
Physics and Astronomy
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Summary:The influence of magnetohydrodynamic interaction localized before a model on the position of a shock wave attached to a wedge is experimentally and numerically investigated. The investigation is carried out in an air flow with a Mach number of 8. It is shown that, for a hydromagnetic interaction parameter on the order of 0.1, the slope angle of the shock wave can be increased by 10°. Experiments are conducted for the case when the flow is ionized by an electron beam or by a pulsed electric discharge. Good agreement between experimental and numerical results is obtained for both ways of ionization if the Joule heating of the gas is insignificant. The conclusion is drawn that the way of providing a nonequilibrium conductivity of the flow has a minor effect on the position of the oblique shock wave near the wedge with the hydromagnetic interaction parameter being the same.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784211030108