Investigation of Spark Discharge Dynamics in an Air-Filled Point-Plane Gap by Shadow Photography

被引：10

作者：

Almazova, K., I ^{[1
]}

Belonogov, A. N. ^{[1
]}

Borovkov, V. V. ^{[1
]}

Gorelov, E., V ^{[1
]}

Morozov, I., V ^{[1
]}

Tren'kin, A. A. ^{[1
]}

Kharitonov, S. Yu ^{[1
]}

机构：

[1] All Russian Res Inst Expt Phys, Russian Fed Nucl Ctr, Sarov 607190, Russia

来源：

TECHNICAL PHYSICS | 2019年 / 64卷 / 01期

关键词：

CURRENT CHANNELS; MICROSTRUCTURE;

D O I：

10.1134/S1063784219010043

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The microchannel structure of a spark discharge in a 1.5-mm-long point-plane gap has been studied by the method of shadow photography. The discharge dynamics (propagation of microchannels from the point into the discharge gap, branching and expansion of the microchannels, formation of a joint front of the spark's shock wave and its motion) has been observed over a time from several nanoseconds to several hundred nanoseconds. Objects of a half-ring shape have been discovered. They have been identified as semispherical shock waves resulting from the formation of microcraters near sites where the microchannels touch the plane electrode.

引用

页码：61 / 63

页数：3

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