Please use this identifier to cite or link to this item: http://ddms.usim.edu.my:80/jspui/handle/123456789/8301
Title: Laboratory Modeling of the Plasma Layer at Hypersonic Flight
Authors: A., Shashurin,
T., Zhuang,
G., Teel,
M., Keidar,
M., Kundrapu,
J., Loverich,
I. I., Beilis,
Y., Raitses,
Keywords: Arc Cathode Spots
Ion Flux
Anode Vacuum-Arc
Issue Date: 1-Jan-2014
Publisher: Amer Inst Aeronautics Astronautics
Abstract: 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.
URI: http://ddms.usim.edu.my/handle/123456789/8301
ISSN: 0022-4650
Appears in Collections:Journal of Spacecraft And Rockets

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