| 热膜测量超音掺混流氦浓度的研究 |
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| 引用本文： | 陈能坤 Full.,RP.热膜测量超音掺混流氦浓度的研究[J].北京航空航天大学学报,1996,22(6):677-681. |
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| 作者姓名： | 陈能坤 Full. RP |
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| 作者单位： | 北京航空航天大学动力系，美国弗吉尼亚理工学院与州立大学 |
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| 摘 要： | 在时燃烧喷氦的冷流试验中，利用吸气式热膜浓度感头，直接测量局部混气的热膜电压，由此根据静交准可获得超音速流通掺混层氦气深度这种局部混气深度测量方法不需要取样及气体分析，实验表明，这种吸气式热膜深度感头测量的相关参数具有良好的精度。
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| 关 键 词： | 超音速流动 掺混 浓度 热膜浓度感尖 |
STUDY OF MEASURING HELIUM CONCENTRATION IN SUPERSONIC MIXING FLOW BY HOT FILM |
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| Chen Nengkun.STUDY OF MEASURING HELIUM CONCENTRATION IN SUPERSONIC MIXING FLOW BY HOT FILM[J].Journal of Beijing University of Aeronautics and Astronautics,1996,22(6):677-681. |
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| Authors: | Chen Nengkun |
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| Abstract: | An experimental investigation has been carried out in supersonic mixing cold flow for supersonic combustion.An aspirating hot film probe was used directly to measure local hot film voltage of air helium mixture,according to static calibration curve helium concentration of supersonic mixing layers can be obtained without taking the sample and gas analysis.Test of the aspirating probe shows that measurement accuracy is good enough and it is an advanced method for studying concentration fields of supersonic mixing flow. |
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| Keywords: | supersonic flow mixing concentration hot film concentration probe |
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