Dynamic Characteristics of the Discharge in Short-gap with Dielectric-covered Electrodes

ZHENG Dian-chun

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Dynamic Characteristics of the Discharge in Short-gap with Dielectric-covered Electrodes

更新时间：2026-07-10

- Dynamic Characteristics of the Discharge in Short-gap with Dielectric-covered Electrodes
- Vol. 16, Issue 5, Pages: 47-51(2011)
- 作者机构：
  
  基于一维流体模型,数值模拟了电极覆盖短气隙脉冲放电形成的原因和性质,并定性分析了外施电压幅值、频率以及气体间隙等外部参数对电极覆盖短气隙放电的影响.仿真结果显示,当放电间隙较小时,由于介质表面积累电荷增加,使反向电场增强,从而带电粒子数增多,即外施电压的每半个周期内,形成的放电脉冲数量越多.外施电压的幅值、频率的变化不仅影响放电电流的幅值,同时也影响一个半个周期内的放电脉冲个数.另外,介质层厚度及介电常数的变化对放电电流的幅值及脉冲个数影响不大
- 作者简介：
- 基金信息：
- DOI：
  CLC： O461
- Published：2011
- 稿件说明：
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ZHENG Dian-chun. Dynamic Characteristics of the Discharge in Short-gap with Dielectric-covered Electrodes[J]. 2011, 16(5): 47-51.
DOI：

ZHENG Dian-chun. Dynamic Characteristics of the Discharge in Short-gap with Dielectric-covered Electrodes[J]. 2011, 16(5): 47-51. DOI：

摘要

基于一维流体模型

数值模拟了电极覆盖短气隙脉冲放电形成的原因和性质

并定性分析了外施电压幅值、频率以及气体间隙等外部参数对电极覆盖短气隙放电的影响.仿真结果显示

当放电间隙较小时

由于介质表面积累电荷增加

使反向电场增强

从而带电粒子数增多

即外施电压的每半个周期内

形成的放电脉冲数量越多.外施电压的幅值、频率的变化不仅影响放电电流的幅值

同时也影响一个半个周期内的放电脉冲个数.另外

介质层厚度及介电常数的变化对放电电流的幅值及脉冲个数影响不大.

Abstract

In this paper

the reasons and the nature of air-gap discharge under the insulation structure is numerically investigated on the basis of one-dimensional fluid model.The influence of the applied voltage amplitude

frequency

as well as dielectric layer characteristics on the insulation structure is discussed and analyzed.The simulation results show that

in the case of smaller gap distance

multiple current pulses can be formed in each half cycle of the applied voltage because of the increase of surf...

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Related Institution

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