Sustained diffusive alternating current gliding arc discharge in atmospheric pressure air

被引：54

作者：

Zhu, Jiajian ^{[1
]}

Gao, Jinlong ^{[1
]}

Li, Zhongshan ^{[1
]}

Ehn, Andreas ^{[1
]}

Alden, Marcus ^{[1
]}

Larsson, Anders ^{[2
]}

Kusano, Yukihiro ^{[3
]}

机构：

[1] Lund Univ, Div Combust Phys, S-22100 Lund, Sweden

[2] Swedish Def Res Agcy, SE-16490 Stockholm, Sweden

[3] Tech Univ Denmark, Dept Wind Energy, Sect Composites & Mat Mech, DK-4000 Roskilde, Denmark

来源：

APPLIED PHYSICS LETTERS | 2014年 / 105卷 / 23期

基金：

瑞典研究理事会; 欧洲研究理事会;

关键词：

Air - Atmospheric pressure - Electric arcs - Fighter aircraft - Electric impedance measurement;

D O I：

10.1063/1.4903781

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Rapid transition from glow discharge to thermal arc has been a common problem in generating stable high-power non-thermal plasmas especially at ambient conditions. A sustained diffusive gliding arc discharge was generated in a large volume in atmospheric pressure air, driven by an alternating current (AC) power source. The plasma column extended beyond the water-cooled stainless steel electrodes and was stabilized by matching the flow speed of the turbulent air jet with the rated output power. Comprehensive investigations were performed using high-speed movies measured over the plasma column, synchronized with simultaneously recorded current and voltage waveforms. Dynamic details of the novel non-equilibrium discharge are revealed, which is characterized by a sinusoidal current waveform with amplitude stabilized at around 200 mA intermediate between thermal arc and glow discharge, shedding light to the governing mechanism of the sustained spark-suppressed AC gliding arc discharge. (C) 2014 AIP Publishing LLC.

引用

页数：5

共 22 条

[1] Atmospheric pressure dc corona discharges: operating regimes and potential applications [J].