Thermochemical Nonequilibrium 2D Modeling of Nitrogen Inductively Coupled Plasma Flow

YU Minghao; Yusuke TAKAHASHI; Hisashi KIHARA; Ken-ichi ABE; Kazuhiko YAMADA; Takashi ABE; Satoshi MIYATANI

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Thermochemical Nonequilibrium 2D Modeling of Nitrogen Inductively Coupled Plasma Flow

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Two-dimensional(2D) numerical simulations of thermochemical nonequilibrium inductively coupled plasma(ICP) flows inside a 10-kW inductively coupled plasma wind tunnel(ICPWT) were carried out with nitrogen as the working gas.Compressible axisymmetric NavierStokes(N-S) equations coupled with magnetic vector potential equations were solved.A fourtemperature model including an improved electron-vibration relaxation time was used to model the internal energy exchange between electron and heavy particles.The third-order accuracy electron transport properties(3rd AETP) were applied to the simulations.A hybrid chemical kinetic model was adopted to model the chemical nonequilibrium process.The flow characteristics such as thermal nonequilibrium,inductive discharge,effects of Lorentz force were made clear through the present study.It was clarified that the thermal nonequilibrium model played an important role in properly predicting the temperature field.The prediction accuracy can be improved by applying the 3rd AETP to the simulation for this ICPWT.

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《等离子体科学和技术：英文版》 |2015年第9期|749-760|共12页
作者
YU Minghao; Yusuke TAKAHASHI; Hisashi KIHARA; Ken-ichi ABE; Kazuhiko YAMADA; Takashi ABE; Satoshi MIYATANI;
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作者单位

Department of Aeronautics and Astronautics;

Kyushu University;

Division of Mechanical and Space Engineering;

Hokkaido University;

Institute of Space and Astronautical Science;

Japan Aerospace Exploration Agency;

Department of Aeronautics and Astronautics;

The University of Tokyo;

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原文格式 PDF
正文语种 chi
中图分类原子发射光谱分析法;航天器空气动力学;
关键词
热化学非平衡; 二维模型; 等离子体流; Navier-Stokes; 氮气; 电感耦合等离子体; 化学动力学模型; 废水处理站;

Thermochemical Nonequilibrium 2D Modeling of Nitrogen Inductively Coupled Plasma Flow

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