A physical mechanism of nonthermal plasma effect on shock wave

S. P. Kuo; Steven S. Kuo

doi:10.1063/1.1829295

A physical mechanism of nonthermal plasma effect on shock wave

S. P. Kuo, Steven S. Kuo

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

An electric discharge is applied to generate a plasma spike in front of a wedge. Use of this plasma spike to modify the shock wave structure in a supersonic flow over the wedge is then studied. It is shown that the plasma spike can effectively deflect the incoming flow before the flow reaches the wedge; consequently, the shock structure in the interaction region is modified from an oblique to a curved shape. Moreover, the shock becomes detached as the strength of the plasma spike exceeds a critical level.

Original language	English (US)
Article number	012315
Pages (from-to)	1-5
Number of pages	5
Journal	Physics of Plasmas
Volume	12
Issue number	1
DOIs	https://doi.org/10.1063/1.1829295
State	Published - 2005

ASJC Scopus subject areas

Condensed Matter Physics

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10.1063/1.1829295

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abstract = "An electric discharge is applied to generate a plasma spike in front of a wedge. Use of this plasma spike to modify the shock wave structure in a supersonic flow over the wedge is then studied. It is shown that the plasma spike can effectively deflect the incoming flow before the flow reaches the wedge; consequently, the shock structure in the interaction region is modified from an oblique to a curved shape. Moreover, the shock becomes detached as the strength of the plasma spike exceeds a critical level.",

author = "Kuo, {S. P.} and Kuo, {Steven S.}",

note = "Funding Information: This work was supported by Air Force Office of Scientific Research (AFOSR) under Grant Nos. AFOSR-F49620-01-1-0392 and AFOSR-FA9550-04-1-0352.",

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PY - 2005

Y1 - 2005

N2 - An electric discharge is applied to generate a plasma spike in front of a wedge. Use of this plasma spike to modify the shock wave structure in a supersonic flow over the wedge is then studied. It is shown that the plasma spike can effectively deflect the incoming flow before the flow reaches the wedge; consequently, the shock structure in the interaction region is modified from an oblique to a curved shape. Moreover, the shock becomes detached as the strength of the plasma spike exceeds a critical level.

AB - An electric discharge is applied to generate a plasma spike in front of a wedge. Use of this plasma spike to modify the shock wave structure in a supersonic flow over the wedge is then studied. It is shown that the plasma spike can effectively deflect the incoming flow before the flow reaches the wedge; consequently, the shock structure in the interaction region is modified from an oblique to a curved shape. Moreover, the shock becomes detached as the strength of the plasma spike exceeds a critical level.

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A physical mechanism of nonthermal plasma effect on shock wave

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