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Non-thermal approach in plasma aerodynamics

Authors: A. Klimov; V. Bityurin; Yu. Serov;

Non-thermal approach in plasma aerodynamics

Abstract

Comparison of theoretical and experimental results in the field of plasma aerodynamics is considered in this work. Three main groups of experimental results are analyzed here, namely results, obtained in: • Plasma- shock tube experiment, [1-7], • Plasma- aerodynamic experiment, [2, 4, 5, 8, 9], • Plasma- ballistic experiment, [2, 4, 5, 14], Importance of the study and analysis of the following experimental results are discussed in this work: • Dependence of shock wave velocity in plasma VX(V0) on incident shock wave velocity in a gas without plasma V05 [1], • Plasma activation in pulse discharge. Optimal parameters of pulse discharge [1,2] • Role of chemical impurities in discharge plasma, [4], • SW propagation through radial thermal non- homogeneity [5]. • Amplification and dissipation of acoustic waves in pulse discharge plasma [6,7] • And others. According author's opinion namely these results prove importance of consideration of non-thermal mechanism in non-equilibrium weakly ionized plasma. This non-thermal mechanism is responsible for anomalous flow around body and anomalous SW structure in cold plasma. Agreements and disagreements between simulation results based on traditional thermal approach and experimental results obtained in plasma aerodynamic and plasma ballistic experiments are discussed in this work: • Gas heating in an electrical discharge created on aerodynamic model in supersonic flow, [8], • Dependence of drag decrease on electrode polarity and type of discharge, [9], • Supersonic flow around dielectric and metal spherical model in a plasma, [4], • Supersonic flow around body in a dusty and aerosol plasma. • Anomalous electric discharge behavior in a gas flow. Non-equilibrium plasma mechanism based on physics of non-stationar y plasma structures in electrical discharge could explain most of these experimental results.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
16
Average
Top 10%
Average
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