中国物理B ›› 2007, Vol. 16 ›› Issue (10): 3016-3021.doi: 10.1088/1009-1963/16/10/033

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Study on the transition from filamentary discharge to diffuse discharge by using a dielectric barrier surface discharge device

李雪辰, 刘志辉, 贾鹏英, 李立春, 尹增谦, 董丽芳   

  1. College of Physics Science {\& Technology, Hebei University, Baoding 071002, China
  • 收稿日期:2006-10-24 修回日期:2007-04-23 出版日期:2007-10-08 发布日期:2007-10-08
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant Nos 10575027 and 10647123), the National Science Foundation of Hebei Province, China (Grant No A2007000134), the Education Department of Hebei Province, China (Grant No 2006106),

Study on the transition from filamentary discharge to diffuse discharge by using a dielectric barrier surface discharge device

Li Xue-Chen(李雪辰)†, Liu Zhi-Hui(刘志辉), Jia Peng-Ying(贾鹏英), Li Li-Chun(李立春), Yin Zeng-Qian(尹增谦), and Dong Li-Fang(董丽芳)   

  1. College of Physics Science & Technology, Hebei University, Baoding 071002, China
  • Received:2006-10-24 Revised:2007-04-23 Online:2007-10-08 Published:2007-10-08
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos 10575027 and 10647123), the National Science Foundation of Hebei Province, China (Grant No A2007000134), the Education Department of Hebei Province, China (Grant No 2006106),

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摘要： Discharge characteristics have been investigated in different gases under different pressures using a dielectric barrier surface discharge device. Electrical measurements and optical emission spectroscopy are used to study the discharge, and the results obtained show that the discharges in atmospheric pressure helium and in low-pressure air are diffuse, while that in high-pressure air is filamentary. With decreasing pressure, the discharge in air can transit from filamentary to diffuse one. The results also indicate that corona discharge around the stripe electrode is important for the diffuse discharge. The spectral intensity of N$_2^+$ (391.4\,nm) relative to N$_{2}$ (337.1\,nm) is measured during the transition from diffuse to filamentary discharge. It is shown that relative spectral intensity increases during the discharge transition. This phenomenon implies that the averaged electron energy in diffuse discharge is higher than that in the filamentary discharge.

关键词: dielectric barrier surface discharge, diffuse discharge, optical emission spectroscopy

Abstract: Discharge characteristics have been investigated in different gases under different pressures using a dielectric barrier surface discharge device. Electrical measurements and optical emission spectroscopy are used to study the discharge, and the results obtained show that the discharges in atmospheric pressure helium and in low-pressure air are diffuse, while that in high-pressure air is filamentary. With decreasing pressure, the discharge in air can transit from filamentary to diffuse one. The results also indicate that corona discharge around the stripe electrode is important for the diffuse discharge. The spectral intensity of N$_2^+$ (391.4 nm) relative to N$_{2}$ (337.1 nm) is measured during the transition from diffuse to filamentary discharge. It is shown that relative spectral intensity increases during the discharge transition. This phenomenon implies that the averaged electron energy in diffuse discharge is higher than that in the filamentary discharge.

Key words: dielectric barrier surface discharge, diffuse discharge, optical emission spectroscopy

中图分类号:  (Glow; corona)

  • 52.80.Hc
51.50.+v (Electrical properties) 52.70.Kz (Optical (ultraviolet, visible, infrared) measurements)