介质阻挡放电中点线超四边形发光斑图研究

刘莹; 董丽芳; 牛雪姣

doi:10.3788/fgxb20143510.1210

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介质阻挡放电中点线超四边形发光斑图研究

器件制备及器件物理 | 更新时间：2020-08-12

- 介质阻挡放电中点线超四边形发光斑图研究
- Study on Dot-line Square Superlattice Luminous Pattern in Dielectric Barrier Discharge
- 发光学报 2014年35卷第10期页码：1210-1214
- 作者机构：
  
  河北大学物理科学与技术学院,河北保定,071002
- 作者简介：
- 基金信息：
  
  国家自然科学基金（11375051，11175054）;河北省教育厅项目（LJRC011）资助
- DOI：10.3788/fgxb20143510.1210
  中图分类号： O461.2
- 收稿日期：2014-07-12，
  
  修回日期：2014-07-30，
  
  纸质出版日期：2014-10-03
- 稿件说明：
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刘莹, 董丽芳, 牛雪姣. 介质阻挡放电中点线超四边形发光斑图研究[J]. 发光学报, 2014,35(10): 1210-1214

LIU Ying, DONG Li-fang, NIU Xue-jiao. Study on Dot-line Square Superlattice Luminous Pattern in Dielectric Barrier Discharge[J]. Chinese Journal of Luminescence, 2014,35(10): 1210-1214
刘莹, 董丽芳, 牛雪姣. 介质阻挡放电中点线超四边形发光斑图研究[J]. 发光学报, 2014,35(10): 1210-1214 DOI： 10.3788/fgxb20143510.1210.

LIU Ying, DONG Li-fang, NIU Xue-jiao. Study on Dot-line Square Superlattice Luminous Pattern in Dielectric Barrier Discharge[J]. Chinese Journal of Luminescence, 2014,35(10): 1210-1214 DOI： 10.3788/fgxb20143510.1210.

摘要

采用光电倍增管和光谱仪，研究了介质阻挡放电中点线超四边形发光斑图的时空结构和等离子参数。通过对斑图中放电丝光信号的采集和分析可知：点线超四边形斑图是由四套不同的子结构相互嵌套而成，在每半个电压周期内依次为小点四边形、大点连线、大点晕和位于大点中心的小点四边形。其中前三套子结构在电压上升沿放电，最后一套在电压下降沿放电。利用发射光谱法，采集了氮分子（N

）第二正带系（

）发射谱线，并计算得到了点线超四边形斑图中不同子结构的分子振动温度。结果表明：小点、大点连线和大点的分子振动温度几乎相同。讨论了介质表面的壁电荷分布对点线超四边形斑图的形成及其时空动力学行为的影响。

Abstract

The spatio-temporal structures and plasma parameters of the dot-line square superlattice luminous pattern are investigated by using photomultiplier and spectrograph. Optical signals from the discharge filaments show that the dot-line square superlattice pattern is an interleaving of four different transient sub-lattices

three of them occur at the rising edge and one of them at the falling edge in each half voltage-cycle. And the discharge sequence is followed as the small-dot square sub-lattice

the big-dot line sub-lattice

big-dot halo sublattice and the small-dot square sub-lattice located in the center of each big-dot. The emission spectra of the N

second positive band (

) are collected and used to calculate the molecular vibration temperatures of the four transient sub-lattices in this pattern. Measurements show that different sub-lattices almost have the same molecular vibration temperature. The influence of the wall charge distribution on the formation process and the spatio-temporal dynamics of the dot-line square superlattice pattern are discussed. It is found that wall charges deposited on the dielectric surface have a great influence on discharge process.

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references

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