河北大学学报(自然科学版) ›› 2016, Vol. 36 ›› Issue (1): 17-20.DOI: 10.3969/j.issn.1000-1565.2016.01.004

• • 上一篇    下一篇

亮暗点蜂窝斑图中等离子参量的光谱测量

王谦,张浩,董丽芳,冯建宇,魏领燕   

  • 收稿日期:2015-07-14 出版日期:2016-01-25 发布日期:2016-01-25
  • 通讯作者: 董丽芳(1963—),女,河北保定人,河北大学教授,博士生导师,主要从事光学诊断与等离子体物理方面的研究.E-mail:donglf @hbu.edu.cn
  • 作者简介:王谦(1989—),女,河北石家庄人,河北大学在读硕士研究生. E-mail:wqywzwq214215@163.com
  • 基金资助:
    国家自然科学基金资助项目(11175054);河北省科技厅重点项目(11967135D);河北省教育厅重点项目(ZD2010140)

Measurement of plasma parameters in bright and dark dot honeycomb pattern

WANG Qian,ZHANG Hao,DONG Lifang,FENG Jianyu,WEI Lingyan   

  1. College of Physics Science and Technology, Hebei University, Baoding 071002, China
  • Received:2015-07-14 Online:2016-01-25 Published:2016-01-25

摘要: 在纯空气或者空气-氩气混合气体介质阻挡放电装置中,观察到由中心点、顶点和连线组成的亮暗点蜂窝斑图.3套结构呈现出了不同的亮暗状态,表明它们的等离子状态和参数可能不同.本工作利用发射光谱法,研究了其分子振动温度和转动温度随氩气体积分数的变化情况.结果表明:在同一条件下,分子振动温度由低到高依次为中心点、顶点、连线,而转动温度则几乎相同.随着氩气体积分数的增加,3套结构的分子振动温度都呈下降趋势,转动温度则变化不大.

关键词: 介质阻挡放电, 亮暗点蜂窝斑图, 分子振动温度, 分子转动温度

Abstract: The bright and dark dot honeycomb pattern composed of center spot,vertex and spot of the line can be observed in a dielectric barrier discharge(DBD)device filled with air or its mixture with argon.The brightness of the three sets of structures is different.It indicates that the parameters and the states of the plasma may be different.The molecular vibrational temperatures and the rotational temperatures of the three sets of structures are measured by using optical emission spectra under different argon concentration.The results show that the sequence of the molecular vibrational temperatures from the highest to the lowest is the spot of the line,the vertex,the center spot.The rotational temperatures of them remain constant.The vibrational temperatures of the three sets of structures decrease with the rising of the argon concentration while the rotational temperature changes little.

Key words: dielectric barrier discharge, bright and dark dot honeycomb pattern, molecular vibrational temperature, rotational temperature

中图分类号: