Simulation of capacitively coupled high-pressure glow discharge in He-O<sub>2</sub>

Peng Qingjun; Sima Wenxia; Yang Qing; Yuan Tao; Liu Xinghua; Zou Lifeng; Li Yusen

doi:10.3788/HPLPB20122412.2841

Volume 24 Issue 12

Nov. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(12): 2841-2847

Li ChaoLong, Shi Haiquan, Liu Zhengfang, et al. Simulation calculation of intense beam transporting in dipole magnet field[J]. High Power Laser and Particle Beams, 2012, 24: 2718-2722. doi: 10.3788/HPLPB20122411.2718

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Peng Qingjun, Sima Wenxia, Yang Qing, et al. Simulation of capacitively coupled high-pressure glow discharge in He-O₂[J]. High Power Laser and Particle Beams, 2012, 24: 2841-2847. doi: 10.3788/HPLPB20122412.2841

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Simulation of capacitively coupled high-pressure glow discharge in He-O₂

doi: 10.3788/HPLPB20122412.2841

1.
State Key Laboratory of Power Transmission Equipment &System Security and New Technology,Chongqing University,Chongqing 400030,China;
2.
Production Technology Department of Yunnan Power Grid Corporation,Kunming 650011,China;
3.
The Second Artillery Officer School,Qingzhou 262500,China

Received Date: 2012-02-21
Rev Recd Date: 2012-07-10
Publish Date: 2012-11-05

Abstract

Abstract

The one-dimensional fluid mechanics model of plasma was employed to investigate capacitively coupled discharge in hybrid gas of Helium-oxygen. The relationship between applied voltage and discharge current with gaps of 1.6 mm, 2.4 mm, 3.2 mm was discussed and compared with the experimental data. The simulation results are in good agreement with the experimental voltage versus current curve. It is found that the charge-to-mass ratio of positive ions has certain effect on ions distribution in the process of the capacitively coupled high-pressure glow discharge. The distribution of the positive ion and negative ion of oxygen reaches its peak values at two terminal areas of the main plasma region.
- hydrodynamic model,
- capacitively coupled glow discharge,
- particle number density,
- space charge density distribution

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Simulation of capacitively coupled high-pressure glow discharge in He-O₂

doi: 10.3788/HPLPB20122412.2841

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Simulation of capacitively coupled high-pressure glow discharge in He-O₂