Measurement of ion velocity distribution in plasma jet with dielectric barrier geometry at atmospheric pressure

doi:10.16568/j.0254-6086.201603016

NUCLEAR FUSION AND PLASMA PHYSICS ›› 2016, Vol. 36 ›› Issue (3): 276-281.DOI: 10.16568/j.0254-6086.201603016

• Non-Fusion Plasma Applications • Previous Articles Next Articles

Measurement of ion velocity distribution in plasma jet with dielectric barrier geometry at atmospheric pressure

XIONG Li1, QI Bing2

(1. School of Public Health, Jilin Medical College, Jilin 132000; 2. School of Electrical Engineering, Northeast Dianli University, Jilin 132000)

Received:2014-10-03 Revised:2016-07-10 Online:2016-09-15 Published:2016-09-14

大气压介质阻挡射流放电离子速度分布的测量

熊莉1，齐冰*2

(1. 吉林医药学院公共卫生学院，吉林 132000；2. 东北电力大学电气工程学院，吉林 132000)

作者简介:熊莉(1978-)，女，重庆市人，硕士，讲师，主要从事大气压辉光放电等离子体研究。
基金资助:
国家自然科学基金(11105093)

Abstract

Abstract:

A new method based on fast Fourier transform, is presented to calculate ion velocity distribution by analyzing electromagnetic radiation signal from atmospheric nonequilibrium plasma. This method is based on a dipole model. Results show that the ion velocity distribution deviates from Maxwell distribution over time. The ion velocity and relative ion number fluctuate regularly with time.

Key words: Atmospheric pressure plasma, Dielectric barrier discharge, Ion velocity distribution

摘要：

通过测量大气压介质阻挡放电等离子体辐射信号，建立偶极子辐射模型，利用快速傅立叶变换，计算了大气压介质阻挡放电等离子体中离子速度分布。计算结果表明，速度分布偏离麦克斯韦分布，并且随着放电过程的进行，离子速度及相对离子数进行有规律的变化。

关键词: 大气压等离子体, 介质阻挡放电, 离子速度分布

CLC Number:

O539

XIONG Li1, QI Bing2. Measurement of ion velocity distribution in plasma jet with dielectric barrier geometry at atmospheric pressure[J]. NUCLEAR FUSION AND PLASMA PHYSICS, 2016, 36(3): 276-281.

熊莉1，齐冰*2. 大气压介质阻挡射流放电离子速度分布的测量[J]. 核聚变与等离子体物理, 2016, 36(3): 276-281.

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Measurement of ion velocity distribution in plasma jet with dielectric barrier geometry at atmospheric pressure

大气压介质阻挡射流放电离子速度分布的测量

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