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Direct evidence for thermal mechanism of plasma influence on shock wave propagation
Institution:1. School of Aeronautic Science and Engineering, Beihang University, Beijing, 100191, China;2. University of Stuttgart, Institute of Space Systems, Stuttgart, 70569, Germany;3. School of Space and Environment, Beihang University, Beijing, 100191, China;4. School of Astronautics, Beihang University, Beijing, 100191, China;5. School of Aerospace Engineering, Beijing Institute of Technology, Beijing, 100081, China;1. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui, China;2. General Atomics, San Diego, CA, 92186-5608, USA
Abstract:Shock wave propagation through a glow discharge is studied by a double beam laser Schlieren method. A pulsed discharge is used to separate electron and other plasma related phenomena from thermal effects. The results prove the pure thermal nature of the influence of a plasma on a shock wave.
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