| 加固型热线及流速测量 |
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| 引用本文： | 陈安世,周劲.加固型热线及流速测量[J].北京理工大学学报,1996,16(4):385-388. |
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| 作者姓名： | 陈安世 周劲 |
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| 作者单位： | [1]北京理工大学机电工程系 [2]华北工学院 |
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| 摘 要： | 提出一种加固型的热线式流速传感器，它由一根较的绝缘棒和在其上的铂丝组成；并给出了与该结构相适应的新的计算流速经验公式，风洞实验证明，对于加固后的热线流速传感器，亲折计算公式比Ｋｉｎｇ氏公式有较高的计算精度。
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| 关 键 词： | 风速仪 热线式风速仪 流速测量 传感器 |
Reinforced Hot Wire and Flow Velocity Measurement |
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| Chen Anshi,Zu Jing.Reinforced Hot Wire and Flow Velocity Measurement[J].Journal of Beijing Institute of Technology(Natural Science Edition),1996,16(4):385-388. |
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| Authors: | Chen Anshi Zu Jing |
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| Abstract: | Reinforced hot wire probes are described.The new probe is a cylincal rod on which a platinum wire is fixed. A new equation Which relates the probe output and flow velocity is presented. Experiments in the wind tunnel show that the new equation resultS in a better measurement than is given by King's law.The measurement error is decreased from 0.65m/s(by King's law) to 0.14m/s in the range of 0-20m/s. |
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| Keywords: | hot wire flow velocity measurement anemometer |
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