DISPERSION AND STABILITY OF MOVING STRIATIONS

被引：35

作者：

GARSCADDEN, A

BLETZINGER, P

SIMONEN, TC

机构：

[1] Aerospace Research Laboratories, Wright-Patterson Air Force Base, Dayton, OH

[2] Institut für Plasmaphysik, Garching, München

[3] Plasma Physics Laboratory, Princeton University, Princeton, NJ

来源：

PHYSICS OF FLUIDS | 1969年 / 12卷 / 09期

关键词：

D O I：

10.1063/1.1692748

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Experiments are reported on the waves of ionization which can be excited in the low- and medium-pressure discharge in argon, neon, and a mercury-argon mixture. The glow to arc transition and the change from a forward wave to a backward wave of ionization were studied in detail using a space-time display which immediately reveals the dispersion of the waves. Evidence is also presented for the transition from a convective to an absolute instability. A comparison is made with the Pekarek-Krejci theory of moving striations and using Derfler's stability criteria, calculations are presented to show that this theory predicts both forward and backward waves which can be stable, convectively unstable, or absolutely unstable.

引用

页码：1833 / +

页数：1

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