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Transonic plasma flow past an obstacle

Published online by Cambridge University Press:  13 March 2009

P. C. Stangeby  and
J. E. Allen
P. C. Stangeby
Affiliation:
Department of Engineering Science and University College, University of Oxford
J. E. Allen
Affiliation:
Department of Engineering Science and University College, University of Oxford
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Extract

In many plasmas the ions are cold relative to the electrons but have a directed, subsonic velocity (the sonic velocity is (kTe/M)½). The behaviour of this flow around an obstacle is considered and solutions obtained for cylindrical geometry. The results are of direct interest in the interpretation of probe characteristics, especially when relative density measurements are involved, as the effects of the flow are typically of the same order of magnitude as the relative variations expected. Plasma flow past an obstacle may be of interest in other contexts (e.g. the case of dust particles in a gas discharge).

Type
Articles
Information
Journal of Plasma Physics , Volume 6 , Issue 1 , August 1971 , pp. 19 - 32
Copyright
Copyright © Cambridge University Press 1971

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References

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