AC Rotating Gliding Arc Discharge at Atmospheric Pressure and Its Application for Dry Reforming of Methane

被引：0

作者：

Wang S. ^{[1
]}

Lu N. ^{[1
]}

Shang K. ^{[1
]}

Jiang N. ^{[1
]}

Li J. ^{[1
]}

Wu Y. ^{[1
]}

机构：

[1] School of Electrical Engineering, Dalian University of Technology, Dalian

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：

AC; Characteristic of discharge; Dry reforming of methane; Plasma; Rotating gliding arc;

D O I：

10.13336/j.1003-6520.hve.20190321007

中图分类号：

学科分类号：

摘要：

The rotating gliding arc discharge plasma has high energy density and good chemical selectivity, so it exhibits good application prospect in dry reforming of methane. The characteristics of AC rotating gliding arc discharge driven by tangential air flow were analyzed and dry reforming of methane was studied in the experiment. The results show that the AC rotating gliding arc discharge program can be divided into the Breakdown Gliding (B-G) Mode and Steady Arc Gliding (A-G) Mode according to the characteristics of current. The FFT transformation of the electrical signal reveals that the waveforms of current and voltage are distorted seriously in B-G mode, and the power of B-G mode is less than that of A-G mode. With the steady gliding of the arc, the voltage rise and the power consumption of the gliding arc continuously increase. In the dry reforming of methane experiment, the effect of reforming is affected by the CH4 content, discharge voltage, and gas flow rate. When the CH4 content increases to 40%, the energy efficiency of the dry reforming of methane is 3.58 mmol/kJ. Increasing the voltage can enhance the conversion rate of reactants, but the energy efficiency decreases. The faster gas flow rate shortens the residence time of reactants, thereby inhibiting the effect of dry reforming of methane. © 2019, High Voltage Engineering Editorial Department of CEPRI. All right reserved.

引用

页码：1451 / 1460

页数：9

共 26 条

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