Aspects of the upstream region in a plasma jet with dielectric barrier discharge configurations

doi:10.1088/1674-1056/21/4/045204

中国物理B ›› 2012, Vol. 21 ›› Issue (4): 45204-045204.doi: 10.1088/1674-1056/21/4/045204

• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇下一篇

李雪辰,贾鹏英,袁宁,常媛媛

收稿日期:2011-07-26 修回日期:2011-08-25 出版日期:2012-02-29 发布日期:2012-02-29
通讯作者: 李雪辰,xcli@mail.hbu.edu.cn E-mail:xcli@mail.hbu.edu.cn

Aspects of the upstream region in a plasma jet with dielectric barrier discharge configurations

Li Xue-Chen(李雪辰)^†, Jia Peng-Ying(贾鹏英), Yuan-Ning(袁宁), and Chang Yuan-Yuan(常媛媛)

College of Physics Science & Technology, Hebei University, Baoding 071002, China

Received:2011-07-26 Revised:2011-08-25 Online:2012-02-29 Published:2012-02-29
Contact: Li Xue-Chen,xcli@mail.hbu.edu.cn E-mail:xcli@mail.hbu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 10805013 and 51077035), the Natural Science Foundation of Hebei Province, China (Grant Nos. A2009000149 and A2011201132), the Key Project of Chinese Ministry of Education, China (Grant No. 210014), the Science Funds of Hebei Education Department for Outstanding Youth (Grant No. Y2011120), and the Hebei University Funds for Distinguished Young Scientists.

摘要/Abstract

Abstract: A plasma column with a length of about 65 cm is generated in the upstream region of a plasma jet using dielectric barrier discharge configurations. The effects of experimental parameters such as the amplitude of the applied voltage and the driving frequency are investigated in aspects of the plasma column by the optical method. Results show that both the plasma length and the propagating velocity, as well as the discharge current, increase with the increase in the applied voltage or its frequency. The discharge mechanism is analysed qualitatively based on streamer theory, where photo-ionization is important. Furthermore, optical emission spectroscopy is used to investigate the electric field intensity of the upstream region.

Key words: dielectric barrier discharge, plasma jet, upstream region, optical emission spectroscopy

中图分类号: (Other gas discharges)

52.80.Tn

52.80.Hc (Glow; corona) 52.80.Mg (Arcs; sparks; lightning; atmospheric electricity)

李雪辰,贾鹏英,袁宁,常媛媛. [J]. 中国物理B, 2012, 21(4): 45204-045204.

Li Xue-Chen(李雪辰), Jia Peng-Ying(贾鹏英), Yuan-Ning(袁宁), and Chang Yuan-Yuan(常媛媛) . Aspects of the upstream region in a plasma jet with dielectric barrier discharge configurations[J]. Chin. Phys. B, 2012, 21(4): 45204-045204.

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Aspects of the upstream region in a plasma jet with dielectric barrier discharge configurations

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