Experimental study on heat transfer and resistance characteristics of high-fin tubes

被引：0
|
作者：
Li, Chang-Sheng
Ma, Hu-Gen
Chen, Wen-Kui
Li, Ke-Qun
Zhang, Chun-Ming
机构：
[1] College of Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
[2] Jiangsu Cuilong Copper Industry, Changshu 215562, China
来源：
Shanghai Ligong Daxue Xuebao/Journal of University of Shanghai for Science and Technology | 2007年 / 29卷 / 05期
关键词：
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摘要：
The heat transfer characteristics of flat-high-fin tubes and corrugated-high-fin tubes are investigated in the wind tunnel. It is found that the heat transfer effect of corrugated-high-fin tubes is 1.2 times better than that of flat-high-fin tubes. The corresponding correlation between Nusselt number and Reynolds number is obtained. The mean deviation of the experimental curve from the calculated one is 5.9% for corrugated-high-fin tubes, and 3.8% for flat-high-fin tubes. Meanwhile, the pressure drop for corrugated-high-fin tubes is 1.1 times as large as that for the flat-high-fin tubes. The corresponding correlation between the friction factors and Reynolds number is also gained. The mean deviation of the experimental curve from the calculated one is 6.5% for corrugated-high-fin tubes, and 4.9% for flat-high-fin tubes.
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页码：507 / 510
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