Spark discharge in conductive liquid with microbubbles

被引：2

作者：

Vetchinin, S. P. ^{[1
]}

Vasilyak, L. M. ^{[1
]}

Pecherkin, V. Ya ^{[1
]}

Panov, V. A. ^{[1
]}

Son, E. E. ^{[1
]}

机构：

[1] Russian Acad Sci, Joint Inst High Temp, Izhorskaya 13,Bldg 2, Moscow 125412, Russia

来源：

XXXI INTERNATIONAL CONFERENCE ON EQUATIONS OF STATE FOR MATTER (ELBRUS 2016) | 2016年 / 774卷

基金：

俄罗斯科学基金会;

关键词：

D O I：

10.1088/1742-6596/774/1/012183

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Pulse electrical breakdown in 15% water solution of Isopropyl alcohol with air microbubbles from a pointed anode has been studied experimentally. It is shown, that the breakdown is always initiated from the bright region near the anode (anode "spot"). Detailed investigation into dynamic current-voltage characteristics and synchronized images reveals that it is thermal instability in the near anode region that causes spark channel initiation and development. The breakdown voltage, spark channel propagation speed and short-circuit current increase when the microbubbles are presented in the solution. The spark channel propagation speed is about 4-12 m/s and grows along with microbubbles concentration.

引用

页数：6

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