广东工业大学学报 ›› 2011, Vol. 28 ›› Issue (3): 1-4.

• 综合研究 •    下一篇

筛网-平板介质阻挡放电的特性及影响因素的研究

  

  1. 1.西北农林科技大学 资源环境学院,陕西 杨凌 712100;2.大连理工大学 静电与特种电源研究所,辽宁 大连 116024
  • 出版日期:2010-10-06 发布日期:2010-10-06
  • 作者简介:屈广周(1981-),男,博士,讲师,主要研究方向为气体放电技术产生等离子体及其应用.
  • 基金资助:

    国家“863”计划资助项目(2008AA06Z308)

A Study of the Discharge Characteristics and Influence Factors -of Mesh-to-plane Dielectric Barrier Discharge

  1. 1. College of Resources and Environment, Northwest A&F University, Yangling 712100, China; 2. Institute of Electrostatics and Special Power, Dalian University of Technology, Dalian 116024, China
  • Online:2010-10-06 Published:2010-10-06

摘要: 通过电压-电流波形图和电压-电压李萨(Lissajous)如图形的测量,研究了空气中筛网-平板电极介质阻挡放电(DBD)的特性.实验考察了阻挡介质材料的种类、厚度以及放电气隙间距对筛网-平板电极DBD功率的影响,比较了筛网-平板、平板-平板和多针-平板3种不同电极结构DBD反应器的放电特性.结果表明:在相同的外加电压条件下,放电空间消耗的功率随介质材料介电常数的增加和厚度的减少而提高;当电源输出功率一定时,随着放电气隙间距的增大,气隙电场强度和放电空间消耗的功率逐渐减少;与其它两种电极结构相比,筛网-平板电极放电相对均匀、稳定. 

关键词: 介质阻挡放电;等离子体;筛网-平板电极;李萨如图形

Abstract: The discharge characteristics of meshtoplane dielectric barrier discharge (DBD) were shown by measurements of their voltage and current waveform, and Lissajous figure. The influence of the dielectric permittivity, the thickness, and the gas gap distance of the barrier on the dissipated power in DBD regime were studied experimentally, The discharge characteristics of three different electrode structures (mesh-to-plane, multi-needle to-plane and plane-to-plane) DBD reactors were compared. The results show that, under the same applied voltage, the dissipated power increases with the increasing of dielectric permittivity and decreasing of thickness of the barrier, but the electric field and dissipated power in DBD regime decreases when the output power of power supply keeps stable and the gas gap distance increases, By contrast, meshtoplane electrode discharge is relatively homogeneous and stable.

Key words: dielectric barrier discharge; plasma; mesh-to-plane electrode; Lissajous figure

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