| 组合热膜探头在气体流速测量中的应用 |
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| 引用本文： | 梁一灵,梁国伟,王雨辰. 组合热膜探头在气体流速测量中的应用[J]. 中国计量学院学报, 2007, 18(3): 191-194 |
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| 作者姓名： | 梁一灵 梁国伟 王雨辰 |
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| 作者单位： | 中国计量学院,计量测试工程学院,浙江,杭州,310018 |
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| 摘 要： | 介绍了一种用于测量气体流速的组合热膜探头,并对组合热膜探头的温度特性以及温度补偿性能进行了实验研究.实验结果表明,组合热膜探头在微小流速测量中具有较高的灵敏度,可以弥补毕托管在低速情况下测量误差较大的缺陷,且具有较好的一致性。
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| 关 键 词： | 组合热膜探头 流速测量 温度补偿 一致性 |
| 文章编号： | 1004-1540（2007）03-0191-04 |
| 修稿时间： | 2007-04-06 |
The application of assembled hot-film probe in measuring the velocity of gas flow |
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| LIANG Yi-ling,LIANG Guo-wei,WANG Yu-chen. The application of assembled hot-film probe in measuring the velocity of gas flow[J]. Journal of China Jiliang University, 2007, 18(3): 191-194 |
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| Authors: | LIANG Yi-ling LIANG Guo-wei WANG Yu-chen |
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| Affiliation: | College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou 310018, China |
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| Abstract: | It introduced an assembled hot-film probe applied in measuring the velocity of gas flow, which was based on the principle of heat transfer. A large number of tests on the temperature characteristics of the hotfilm probe and experimental research on the temperature compensation performance have been carried out. The results of the experiments on measuring the velocity of gas flow using this probe have been gained, and the results proved that it is sensitive to measure the low velocity of gas flow using this assembled hot-film probe, which offsets the problem that pitot tube has high errors in measuring low velocity. |
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| Keywords: | assembled hot-film probe velocity measurement temperaturecompensation~ consistency |
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