Laboratory Modeling of the Plasma Layer at Hypersonic Flight

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Laboratory Modeling of the Plasma Layer at Hypersonic Flight

Shashurin, A. / Zhuang, T. / Teel, G. / Keidar, M. / Kundrapu, M. / Loverich, J. / Beilis, I. I. / Raitses, Y.

A simple approach to modeling the plasma layer similar to that appearing in the vicinity of a hypersonic vehicle is demonstrated in a laboratory experiment. This approach is based on the use of a hypersonic jet from a cathodic arc plasma. Another critical element of this laboratory experiment is a blunt body made from a fairly thin foil of refractory material. In experiments, this blunt body is heated by the plasma jet to a temperature sufficiently high to ensure evaporation of surface deposits produced by the metallic plasma jet. This process mimics reflection of gas flow from the hypersonic vehicle in a real flight. Two-dimensional distributions of the hypersonic plasma flow around the blunt body were measured using electrostatic Langmuir probes. Measured plasma density was typically $10^{12} {cm}^{- 3}$ , which is close to the values measured for real hypersonic flight. The demonstrated laboratory experiment can be used to validate numerical codes for simulating hypersonic flight and to conduct ground-based tests for efficiency validation of various radio communication blackout mitigation techniques.

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Document information

Title :

Laboratory Modeling of the Plasma Layer at Hypersonic Flight

Contributors:

Shashurin, A. (author) / Zhuang, T. (author) / Teel, G. (author) / Keidar, M. (author) / Kundrapu, M. (author) / Loverich, J. (author) / Beilis, I. I. (author) / Raitses, Y. (author)

Published in:

Journal of Spacecraft and Rockets ; 51 , 3 ; 838-846

Publication date :

2014-04-09

Size :

9 pages

ISSN :

0022-4650 , 1533-6794

DOI :

https://doi.org/10.2514/1.A32771

Type of media :

Article (Journal)