Experimental Study on the Periodic Characteristics of Microsecond Pulsed Gliding Arc Discharge at Atmospheric Pressure

被引:0
|
作者
Li Z. [1 ,2 ]
Zhang C. [2 ,3 ]
Zhang S. [2 ]
Gao Y. [2 ]
Chen G. [1 ]
Shao T. [2 ,3 ]
机构
[1] School of Electrical Engineering, Zhengzhou University, Zhengzhou
[2] Key Laboratory of Power Electronics and Electric Drive, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing
[3] University of Chinese Academy of Sciences, Beijing
来源
Gaodianya Jishu/High Voltage Engineering | 2019年 / 45卷 / 05期
基金
中国国家自然科学基金;
关键词
Atmospheric-pressure discharge; Gliding arc discharge; Gliding cycle; Non-equilibrium plasma; Pulse repetition frequency;
D O I
10.13336/j.1003-6520.hve.20181205026
中图分类号
学科分类号
摘要
Glidingarc discharges can produce periodic non-equilibrium low-temperature plasma at atmospheric pressure. However, the periodicity of the gliding arcsin pulsed discharge is affected by the discharge parameters and the gas flow.In this paper, the microsecond pulse power supply is used to excite the gliding arc dischargewith knife electrodes. The periodic characteristics of the pulse gliding arc are experimentally studied by changing the gas flow rate and the pulse repetition frequency (PRF). The results show that with the increase of gas flow, the average velocity of the gliding arcs gradually increases. When the flow rateis less than 4.6 m/s, the airflow is in laminar state and the gliding arc exhibits a periodic mode. The maximum height of the gliding arc increases when the flow rate increases. When the flow rate is 5.0~8.0 m/s, the air current is in the state of transition from laminar to turbulent flow and the gliding arc discharge transitions from periodic to non-periodic mode and the corresponding maximum height of the gliding arc is reduced. When the flow rate is fixed at 5.0 m/s, the gliding period gradually changes from the non-periodic discharge to the periodic discharge when the PRF increases, and the maximum height of the gliding arcs also increases. Therefore, a stable airflow field and high PRF are beneficial to the periodic development of the gliding arcs. © 2019, High Voltage Engineering Editorial Department of CEPRI. All right reserved.
引用
收藏
页码:1468 / 1475
页数:7
相关论文
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