Numerical studies on plasma bullet propagation and its inhibition in helium plasma jet at atmospheric pressure

Fucheng Liu, W. Yan, Dezhen Wang
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Abstract

Summary form only given. Over the past years cold atmospheric pressure plasma jets (CAPPJ) have received considerable attention due to their unique capabilities and considerable application potentials in various industrial and scientific applications. It has been demonstrated by several research groups that CAPPJs are not continuous jets but discrete fast-moving plasma bullets with supersonic velocities in the order of104–105m/s. However, possible mechanisms responsible for the creation and propagation of plasma bullets still remain essentially open. Presently two explanations for this phenomenon exist. One is the ionization wave model, and the other is the streamer-like model based on photo-ionization.
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大气压下氦等离子体射流中等离子体子弹传播及其抑制的数值研究
只提供摘要形式。近年来,冷大气压等离子体射流(CAPPJ)以其独特的性能和巨大的应用潜力在各种工业和科学应用中受到了广泛的关注。几个研究小组已经证明,CAPPJs不是连续的射流,而是以104 - 105m/s的超音速速度离散快速移动的等离子体子弹。然而,产生和传播等离子体子弹的可能机制基本上仍然是开放的。目前对这一现象有两种解释。一种是电离波模型,另一种是基于光电离的类流模型。
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