| 高频感应等离子体风洞的光谱诊断 |
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| 引用本文： | 张秀杰,林烈,吴彬.高频感应等离子体风洞的光谱诊断[J].空气动力学学报,2001,19(1):123-127. |
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| 作者姓名： | 张秀杰 林烈 吴彬 |
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| 作者单位： | 中国科学院力学研究所, |
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| 摘 要： | 建立高频应等离子体风洞在国内是近几年的事情，因此对风洞内等离子体参数的认也刚刚开始，本文论述了利用氩光谱的相对强度法测量高频感应洞的等离子体温度及其分布的原理和装置，并给出了实验结果。
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| 关 键 词： | 等离子体风洞 等离子体光谱诊断 局部热力学平衡 高频感应 |
| 文章编号： | 0258-1825(2001)01-0123-05 |
| 修稿时间： | 2000年1月20日 |
The spectral measurement in an inductively coupled plasma wind tunnel |
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| ZHANG Xiu jie,LIN Lie,WU Bin.The spectral measurement in an inductively coupled plasma wind tunnel[J].Acta Aerodynamica Sinica,2001,19(1):123-127. |
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| Authors: | ZHANG Xiu jie LIN Lie WU Bin |
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| Abstract: | An inductively coupled plasma wind tunnel was built in our laboratory. The temperature of plasma and its distribution were measured with an Optical Spectra Analyzer. The experiment was conducted for a oscillator frequency of 4.0 MHz, input power of 30 kW. The relative intensities of atomic argon lines (ArI750.4nm and ArI751.5nm) were used to get the plasma temperature and its distribution. The experimental apparatus and instrumentation for measurements were shown in this paper. The local thermal equilibrium (LTE) in the plasma of wind tunnel was discussed. |
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| Keywords: | plasma wind tunnel optical diagnostic of plasma local thermal equilibrium |
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