Electron temperature and density of non-thermal atmospheric pressure argon plasma jet by convective wave packet model

被引：20

作者：

Sornsakdanuphap, Jirapong ^{[1
]}

Suanpoot, Pradoong ^{[2
]}

Hong, Young June ^{[1
]}

Ghimire, Bhagirath ^{[1
]}

Cho, Guangsup ^{[1
]}

Uhm, Han Sup ^{[1
]}

Kim, Doyoung ^{[1
]}

Kim, Yun Ji ^{[3
]}

Choi, Eun Ha ^{[1
]}

机构：

[1] Kwangwoon Univ, Dept Elect & Biol Phys, Plasma Bioscience Res Ctr, Charged Particle Beam & Plasma Lab, Seoul 01899, South Korea

[2] Maejo Univ, Phrae Campus,17 Moo 3, Rongkwang Dist 54140, Phrae Province, Thailand

[3] Korea Food Res Inst, Seongnam 13539, South Korea

来源：

JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2017年 / 70卷 / 11期

基金：

新加坡国家研究基金会;

关键词：

Plasma ambipolar diffusion; Convective wave packet model; Electron temperature and electron density in non-thermal atmospheric pressure plasma; INACTIVATION;

D O I：

10.3938/jkps.70.979

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The propagation velocities (u(g) ) of argon plasma jet are obtained by intensified charge coupled device (ICCD) camera images at fixed gate width time of 5 ns. The propagation velocities in upstream and downstream regions are in the order of 10(4) - 10(5) m/s. The plasma ambipolar diffusion velocities are measured to be in the order of 10 - 10(2) m/s. Plasma jet discharges are generated by sinusoidal power supply in varying voltages from 2 to 4 kV at repetition frequency of about 40 kHz. By employing convective wave packet model, the electron temperature (T-e ) inside plasma bullet for argon non-thermal atmospheric pressure plasma jet is estimated to be about 1.18 eV. Also, the electron density (n(e) ) is found to be 8.0 x 10(14) - 2.5 x 10(15) cm(-3).

引用

页码：979 / 989

页数：11

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