Research on the Calculation of Critical Breakdown Field Strength of High Temperature Gas Mixtures

LI Shixin

doi:10.13296/j.1001-1609.hva.2018.08.014

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Research on the Calculation of Critical Breakdown Field Strength of High Temperature Gas Mixtures

更新时间：2025-04-26

- Research on the Calculation of Critical Breakdown Field Strength of High Temperature Gas Mixtures
- High VoltageApparatus Vol. 54, Issue 8, Pages: 91-97(2018)
- 作者机构：
  
  环境保护部核与辐射安全中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.08.014
  CLC： TM561.3
- Published：2018
- 稿件说明：
移动端阅览
[1]李世欣.高温混合气体临界击穿场强的计算研究[J].高压电器,2018,54(08):91-97.

LI Shixin. Research on the Calculation of Critical Breakdown Field Strength of High Temperature Gas Mixtures[J]. High voltageapparatus, 2018, 54(8): 91-97.
[1]李世欣.高温混合气体临界击穿场强的计算研究[J].高压电器,2018,54(08):91-97. DOI： 10.13296/j.1001-1609.hva.2018.08.014.

LI Shixin. Research on the Calculation of Critical Breakdown Field Strength of High Temperature Gas Mixtures[J]. High voltageapparatus, 2018, 54(8): 91-97. DOI： 10.13296/j.1001-1609.hva.2018.08.014.

摘要

针对高温混合气体临界击穿场强的计算问题

首先对所采用的零维模型进行了介绍

在此基础之上

对纯空气、空气与PA6蒸气的混合气体、空气与POM蒸气的混合气体在内的不同组分气体介质的临界击穿场强进行了计算

并对计算结果进行了理论上的分析。所涉及到的内容主要包括高温体粒子组分的获取

玻尔兹曼方程的近似求解和电子能量分布函数（EEDF）的计算

碰撞截面数据的选择

电子碰撞电离系数和吸附系数的计算。其中重点在于对波尔兹曼输运方程的近似求解和分析不同气体介质对临界击穿场强的影响。

Abstract

Aiming at the calculation of the critical breakdown field strength of high-temperature gas mixtures

the zero-dimensional model adopted in this paper is introduced at first. Based on the zero-dimensional model

the critical breakdown field strength of gas mixtures with different components

including the pure gas

the mixture of air & PA6 vapor and the air & POM vapor are calculated. The results are analyzed theoretically. The main contents include the acquisition of particle composition under high temperature

the approximate solution of Boltzmann equation

the calculation of electron energy distribution function（EEDF）

the selection of collision cross section data and the calculation of ionization coefficient and adsorption coefficient. The emphasis is on the approximate solution of the Boltzmann transport equation and the analysis of the effect of different gas media on the critical breakdown field strength.

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