Study on a Novel High-pressure Micro discharge Configuration

JIANG Chao1; WANG You-qing1

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Study on a Novel High-pressure Micro discharge Configuration

更新时间：2025-05-17

- Study on a Novel High-pressure Micro discharge Configuration
- High VoltageApparatus Issue 5, (2005)
- 作者机构：
  
  1.   华中科技大学激光技术国家重点实验室
  2.   华中科技大学激光技术国家重点实验室湖北武汉430074
  3.   湖北师范学院物理系
  4.   湖北黄石435002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN103
- Published：2005
- 稿件说明：
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[1]江超,王又青.新颖的高气压微放电结构的研究[J].高压电器,2005(05):19-22.

JIANG Chao1, WANG You-qing1. Study on a Novel High-pressure Micro discharge Configuration[J]. High voltageapparatus, 2005, (5).
[1]江超,王又青.新颖的高气压微放电结构的研究[J].高压电器,2005(05):19-22. DOI：

JIANG Chao1, WANG You-qing1. Study on a Novel High-pressure Micro discharge Configuration[J]. High voltageapparatus, 2005, (5). DOI：

摘要

介绍了微空心阴极放电（MHCD）的特点

根据MHCD的基本结构给出了一种“平面阴极-微空心阳极”放电结构

并在该基础上设计了一种新的放电结构:它的阳极为“金属针

”它的阴极由“平面阴极-微空心阳极放电”构成

整个系统构成一个“针-孔”自持的辉光放电。主要进行了空气放电实验

单个“平面阴极-微空心阳极放电”能够在大气压下产生稳定的直流辉光放电

多个“平面阴极-微空心阳极放电”能够在高气压下稳定地并联运行

而不需要个体镇流电阻

它们的伏安特性曲线在整个放电区域都具有正的微分电阻特性。“针-孔”自持的辉光放电也能够在高气压下产生大体积辉光放电空气等离子体

等离子体的电子密度估计在1011～1012cm-3之间

测得的伏安特性曲线在整个放电区域也具有正的微分电阻特性。它产生的高气压大体积高电流密度辉光放电等离子体

能够应用于工业上的多种等离子体加工中

也能够用作Pseudospark高压开关的触发设备。

Abstract

The characteristic of a microhollow cathode discharge（MHCD） is introduced.A "plane cathode microhollow anode"（PCMA） discharge device is designed on the basic configuration of MHCD.A new discharge device is also designed

and its anode is metal needle

and its cathode is PCMA

which is composed of a "needle-hole" sustained glow discharge.The discharge experiment is carried through in the air

and the high-pressure stable direct current glow discharge is formed in single PCMA

and multi-PCMA can operate stably in parallel at high-pressure without individual ballast resistors.The DC voltage-current characteristics of these discharges show a positive slope

which has positive differential resistance coefficient."Needle-hole" sustained glow discharge can also operate at high pressure to form large-volume high-current density glow discharge plasmas

and the electron density is estimated between 1011～1012 cm-3 in the discharge plasmas

and its volt-ampere characteristic also has a positive slope in the whole discharge area.These high-pressure large-volume high-current-density plasmas can be used in the multi-plasma-process in industry

and can also be used as the trigger circuit of Pseudospark switch-devices.

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