Experimental Study on Characteristics of Coaxial Cylinder Dielectric Barrier Discharge with High-frequency AC Actuation

被引：0
|
作者：
Chen Q. [1 ]
Che X. [1 ]
Chen C. [1 ]
Nie W. [1 ]
Tong Y. [1 ]
Zhou S. [1 ]
机构：
[1] Department of Aerospace Science and Technology, Space Engineering University, Beijing
来源：
Gaodianya Jishu/High Voltage Engineering | 2020年 / 46卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Coaxial cylinder dielectric barrier discharge; Discharge characteristics; High-frequency AC; Lissajous figure; Plasma;
D O I：
10.13336/j.1003-6520.hve.20190750
中图分类号：
学科分类号：
摘要：
Coaxial cylinder dielectric barrier discharge is one of the major approaches for plasma-assisted combustion, and it is important to reveal its basic discharge characteristics for optimizing control strategy. Consequently, with high-frequency AC actuation, the characteristics of coaxial cylinder dielectric barrier discharge, including breakdown voltage, discharge image, Lissajous figure, and discharge power, were experimentally studied by changing gas type, gas flow, and power output parameters. The results demonstrate that the curve of breakdown voltage is in a "V" shape with increase of frequency, during which an optimal frequency responding to the lowest breakdown voltage exists. Compared with the effect of frequency, the effect of gas flow on breakdown voltage is not obvious. When the gas flow equals 0, the power consumption increases linearly with frequency and voltage rising, respectively, and the power growth rate varies with voltage faster than with frequency. Moreover, when there is an incoming flow, with the effect of "blow off" and influence on charge distribution, the linearity of power curves varied with frequency and voltage will both decrease. And with increase of gas flow, the discharge intensity will be enhanced and weaken alternately, which results in a "M"-type curve with overall decreasing trend in power consumption. In addition, CH particles are generated under the discharge of methane, and the CH* emission intensity rises linearly with increase of voltage. © 2020, High Voltage Engineering Editorial Department of CEPRI. All right reserved.
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页码：3715 / 3723
页数：8
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