Discharge Images of a Dielectric-Barrier-Free Atmospheric-Pressure Microplasma Controlled by an External Ballast Capacitor

被引：3
|
作者：
Ha, Chang-Seung [1 ]
Kim, Dong-Hyun [1 ]
Lee, Hae June [1 ]
Lee, Ho-Jun [1 ]
机构：
[1] Pusan Natl Univ, Dept Elect Engn, Pusan 609735, South Korea
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 2011年 / 39卷 / 11期
基金：
新加坡国家研究基金会;
关键词：
Atmospheric-pressure plasma; capacitors;
D O I：
10.1109/TPS.2011.2161596
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
A direct-current pulse-driven dielectric-free atmospheric-pressure microplasma controlled by an external capacitor is developed. Discharge images show that the electrical energy stored in the ballast capacitor controls effectively the discharge energy per pulse in air, He, and Ar gas flows. The effect of the ballast capacitance on the discharge from 22 pF to 10 nF is presented. This configuration provides a wide and stable microplasma operational regime, i.e., from a glow to a near-arc discharge.
引用
收藏
页码：2378 / 2379
页数：2
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