| 变截面微小通道传热特性的研究 |
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| 引用本文： | 杨卫华,张靖周,程惠尔.变截面微小通道传热特性的研究[J].工程热物理学报,2005,26(5):832-834. |
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| 作者姓名： | 杨卫华 张靖周 程惠尔 |
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| 作者单位： | 南京航空航天大学动力与能源学院,江苏,南京,210016;上海交通大学机械与动力学院,上海,200030 |
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| 摘 要： | 为研究变截面微小通道的流动和传热特性,设计了9种不同微小尺度的变截面通道。采用实验研究的方法,得出了流体在变截面微小通道中的传热特性以及与常规尺度通道的差异。分别比较了通道的进出口宽度比、通道的高宽比对变截面、微小尺度通道传热特性的影响。根据实验结果,得到了描述水在变截面微小通道中的流动及传热特性的无量纲关联式。
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| 关 键 词： | 微小通道 变截面 传热 试验研究 |
| 文章编号： | 0253-231X(2005)05-0832-03 |
| 修稿时间： | 2005年3月12日 |
STUDY FOR HEAT TRANSFER CHARACTERISTICS OF CHANGEABLE CROSS-SECTION MICRO-CHANNEL |
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| YANG Wei-Hua,ZHANG Jing-Zhou,CHENG Hui-Er.STUDY FOR HEAT TRANSFER CHARACTERISTICS OF CHANGEABLE CROSS-SECTION MICRO-CHANNEL[J].Journal of Engineering Thermophysics,2005,26(5):832-834. |
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| Authors: | YANG Wei-Hua ZHANG Jing-Zhou CHENG Hui-Er |
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| Abstract: | In order to study the heat transfer characteristics of changeable cross-section micro-channels, 9 kinds of the micro-channels with different geometrical dimensions were designed, and the heat transfer characteristics of them and its difference from the conventional channel were all obtained. The influence factors of the aspect and the outlet-inlet width ratio on the heat transfer characteristics in changeable cross-section micro-channels were studied. By the test results, the non-dimensional correlatives for the heat transfer characteristics of the micro-channels were obtained. |
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| Keywords: | micro-channel changeable cross section heat transfer experimental study |
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