Fluid mechanical characteristics of microwave discharge jet plasmas at atmospheric gas pressure

被引：1
|
作者：
Takamura S. [1 ]
Saito S. [1 ]
Kushida G. [1 ]
Kando M. [2 ]
Ohno N. [3 ]
机构：
[1] Faculty of Engineering, Aichi Institute of Technology, Yagusa, Toyota 470-0392, 1247, Yachigusa
[2] Research Institute of Electronic Engineering, Shizuoka University, Hamamatsu 432-8011, 3-5-1, Johoku
[3] Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Furo-cho
来源：
IEEJ Transactions on Fundamentals and Materials | 2010年 / 130卷 / 05期
关键词：
Atmospheric pressure plasma; Buoyancy effect; Flickering; Fluid mechanical property; Kelvin-Helmholtz instability; Shear flow;
D O I：
10.1541/ieejfms.130.493
中图分类号：
学科分类号：
摘要：
Fluid mechanical properties of microwave discharge jet for argon and helium plasmas at atmospheric gas pressure is investigated. Kelvin-Helmholtz (K-H) instability due to shear flow of working gas with surrounding air is seen to reflect on the plasma structure. Pulsation phenomenon for helium plasma jet is found not to have a counterpart in gas fluid behavior. Flickering phenomenon is shared in both jet diffusion flame and plasma jet. Ascending flow due to buoyancy effect and convection surrounding air to be followed by vortex formation originated from K-H instability would be the physical mechanism for the flickering. © 2010 The Institute of Electrical Engineers of Japan.
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页码：493 / 500
页数：7
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