Influence of Runaway Electrons on the Formation Time of Nanosecond Discharge

被引：8
|
作者：
Kozhevnikov, Vasily Yu. [1 ,2 ]
Kozyrev, Andrey V. [1 ,2 ]
Semeniuk, Natalia S. [1 ,2 ]
Kokovin, Alexander O. [1 ,2 ]
机构：
[1] Tomsk State Univ, Dept Plasma Phys, Fac Phys, Tomsk 634050, Russia
[2] Russian Acad Sci, Inst High Current Elect, Siberian Branch, Tomsk 634055, Russia
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 2018年 / 46卷 / 10期
关键词：
Electric breakdown; plasma simulation; BEAMS; GENERATION; PRESSURE; EQUATION; GASES;
D O I：
10.1109/TPS.2018.2866777
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：
In this paper, we present the theoretical results of a self-consistent kinetic simulation, clarifying the influence of runaway electron flows on a delay time of the switching stage of a nanosecond discharge. The simulation is based on an accurate numerical solution of the Boltzmann kinetic equation, with model collision integrals that take into account elastic and ionization collisions of the electrons with neutral atoms. As an example, the breakdown of a cylindrical gap is investigated with respect to the variations of the voltage rise time value. The current and voltage time profiles, power spectrum, and current of high-energy electrons, as well as the electron distribution function, are calculated accordingly. Our numerical solution agrees with the existent experimental data.
引用
收藏
页码：3468 / 3472
页数：5
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