Journal of Hebei University(Natural Science Edition) >

2023 , Vol. 43 >Issue 1: 35 - 39

DOI: https://doi.org/10.3969/j.issn.1000-1565.2023.01.006

Optical and electrical characteristics of a pin-to-plate dielectric barrier discharge

  • ZHANG Wenxin ,
  • WANG Weiwei ,
  • LIU Feng ,
  • FAN Zhihui ,
  • WANG Jingquan ,
  • ZHANG Jinan
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  • Hebei Computational Optical Imaging and Photoelectric Detection Technology Innovation Center, Hebei International Joint Research Center for Computational Optical Imaging and Intelligent Sensing, School of Mathematics and Physics, Hebei University of Engineering, Handan 056038, China

Received date: 2022-02-11

  Online published: 2023-02-22

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Abstract

In this work, a pin-to-plate dielectric barrier discharge device was designed. Air and argon mixture is used as working gas at atmospheric pressure. The variation of optical and electrical characteristics under the two conditions of mixed gas flow and gas non-flow is studied. The vibrational temperature(Tv)of nitrogen molecules is calculated by Boltzmann method and the excited electron temperature(Texc)is calculated by spectral line relative intensity ratio method. The experimental results show that the input power(P)and Tv increase with the increase of the applied valtage(Ua), while Texc decreases with the increase of Ua. When Ua is certain, in the gas flow, P increases, Texc decreases, and Tv remains unchanged. The inelastic collision between high-energy electrons and working gas is qualitatively explained. The results are of great significance to the intensive study of atmospheric pressure plasma dynamics.

Key words： dielectric barrier discharge; plasma; optical and electrical characteristics

Cite this article

ZHANG Wenxin , WANG Weiwei , LIU Feng , FAN Zhihui , WANG Jingquan , ZHANG Jinan . Optical and electrical characteristics of a pin-to-plate dielectric barrier discharge[J]. Journal of Hebei University(Natural Science Edition), 2023 , 43(1) : 35 -39 . DOI: 10.3969/j.issn.1000-1565.2023.01.006

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