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Microstructure of a Spark Discharge in Air in a Point-Plane Gap

被引：25
|
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 Russia Res Ctr Expt Phys, Russian Fed Nucl Ctr, Sarov 607190, Nizhny Novgorod, Russia
来源：
TECHNICAL PHYSICS | 2018年 / 63卷 / 06期
关键词：
SPATIAL STRUCTURE; CURRENT CHANNELS;
D O I：
10.1134/S1063784218060026
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A microchannel structure of a spark discharge initiated in atmospheric-pressure air in a point-plane gap has been discovered by shadow photography. The structure has been observed since the onset of the discharge glow. The evolution of the microstructure over times from several nanoseconds to several tens of nanoseconds has been traced. Specifically, the development of microchannels from the point into the discharge gap, expansion of the microchannels, and their interaction have been observed. A correlation has been found between the microstructure of the spark channel in the discharge gap and its autograph on the surface of the plane electrode.
引用
收藏
页码：801 / 805
页数：5
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