Effect of Parallel Magnetic Field on Physical and Chemical Characteristics of the Pulsed Needle-plate Dielectric Barrier Discharge

被引：0
|
作者：
Jiang, Nan [1 ]
Sun, Yun [1 ]
Peng, Bangfa [1 ]
Qian, Yufen [1 ]
Li, Jie [1 ]
Shang, Kefeng [1 ]
Lu, Na [1 ]
Wu, Yan [1 ]
机构：
[1] School of Electrical Engineering, Dalian University of Technology, Liaoning Province, Dalian,116024, China
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2023年 / 43卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Atmospheric pressure - Dielectric devices - Dielectric materials - Flow control - Magnetic fields - Magnetoplasma - Needles - Ozone - Permanent magnets;
D O I：
10.13334/j.0258-8013.pcsee.212415
中图分类号：
学科分类号：
摘要：
In this paper, in order to generate dielectric barrier discharge (DBD) plasma with high intensity at atmospheric pressure, a permanent magnet is used to generate a magnetic field parallel to the direction of the electric field to enhance the physical and chemical activity of plasma induced by nanosecond pulsed needle-plate dielectric barrier discharge (DBD). The influence rule and mechanism of the parallel magnetic field on plasma under different pulse parameters are explored. The dynamic evolution characteristics of parallel magnetic field-assisted pulsed needle-plate DBD plasma are studied. The influences of pulse peak voltage, pulse rising time, and pulse falling time on the characteristics of magnetic field-assisted pulsed needle-plate DBD are investigated in terms of electrical measurement, optical diagnosis, and ozone generation properties. The experimental results show that a parallel magnetic field can affect the characteristics of needle-plate DBD plasma by magnetizing electrons. The intensities of spatial streamer discharge and dielectric surface streamer discharge in needle-plate DBD are both promoted by applying the parallel magnetic field. The influence of a parallel magnetic field on discharge intensity and ozone production is enhanced under different pulse voltage parameters, especially under a short rising time of pulse voltage. ©2023 Chin.Soc.for Elec.Eng.
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页码：1231 / 1240
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