Fast Ionization Wave Development in Atmospheric-Pressure Air

被引:27
|
作者
Starikovskiy, Andrey [1 ]
机构
[1] Princeton Univ, Dept Mech & Aerosp Engn, Princeton, NJ 08544 USA
关键词
Fast ionization wave; nonequilibrium plasma; pulsed picosecond discharge;
D O I
10.1109/TPS.2011.2160738
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
Pulsed-discharge development in a point-to-plane geometry is investigated with subnanosecond temporal resolution. A short high-voltage pulse with a duration of 400 ps and peak voltage U = 224 kV was applied to a discharge gap of 1-30 mm. The discharge propagated in atmospheric-pressure air. Ultrahigh overvoltage (5-50 times) generates runaway electrons in the front of ionization wave and increases the plasma channel diameter and velocity of ionization wave propagation. Formation of homogeneous atmospheric-pressure nonequilibrium plasma has been demonstrated.
引用
收藏
页码:2602 / 2603
页数:2
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