Characteristics of Surface Dielectric Barrier Discharge Based on a Printed Circuit Board

被引：0

作者：

Xu G. ^{[1
,2
]}

Mu H. ^{[1
]}

Lin F. ^{[3
]}

Li L. ^{[2
]}

Zhang G. ^{[1
]}

机构：

[1] State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University, Xi’an

[2] School of Energy and Electrical Engineering, Chang’an University, Xi’an

[3] Guangzhou Power Supply Bureau of Guangdong Power Grid Co., Ltd., Guangzhou

来源：

Gaodianya Jishu/High Voltage Engineering | 2022年 / 48卷 / 09期

基金：

中国国家自然科学基金;

关键词：

discharge pattern; discharge power; discharge uniformity; plasma emission spectra; printed circuit board; surface dielectric barrier discharge;

D O I：

10.13336/j.1003-6520.hve.20212054

中图分类号：

学科分类号：

摘要：

Surface dielectric barrier discharge (SDBD) generating the atmospheric pressure low temperature plasma has broad application prospects in several fields including the biomedicine. In this paper, a SDBD device based on a printed circuit board (PCB) is used and its electrical and optical characteristics including the uniformity, discharge mode and pattern, discharge power together with plasma emission spectra are investigated when the device is driven by a sinusoidal AC power supply. The results show that the discharge intensity and uniformity increase with the raised voltage amplitude and frequency. When the peak-to-peak value of applied voltage is higher than 5.2 kV, the macroscopic stable and uniform discharge will appear. The surface discharge develops into a dispersive discharge inside the grid from the contraction discharge at the three junction points including the fine line edge of the lattice, dielectric material and air. Besides, the discharge intensity during positive half cycle of voltage is stronger than that in the case of negative half cycle, which is mainly caused by the difference of the inhibition of the electric field along the surface by the surface charges in the positive and negative discharges. When the applied voltage amplitude ranges from 5.0 kV to 6.2 kV, due to the enhanced electric field intensity and collision frequency between particles, the energy is injected into the discharge space, and the number of high-energy electrons and the particle kinetic energy are strengthened. As a result, the discharge becomes stronger, which ultimately enables the discharge power of SDBD device, the relative intensity of plasma emission spectra, the vibration and rotation temperature of nitrogen molecules to increase to various degrees with the increasing voltage amplitude. © 2022 Science Press. All rights reserved.

引用

页码：3784 / 3793

页数：9

共 32 条

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