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CLC number: O551
On-line Access: 2024-08-27
Received: 2023-10-17
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Study on the heat transfer of cross flow in vertical upward tubes
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HU Zhi-hua, YANG Yan-hua, ZHOU Fang-de. Study on the heat transfer of cross flow in vertical upward tubes[J]. Journal of Zhejiang University Science A, 2005, 6(10): 1128-1131.
@article{title="Study on the heat transfer of cross flow in vertical upward tubes",
author="HU Zhi-hua, YANG Yan-hua, ZHOU Fang-de",
journal="Journal of Zhejiang University Science A",
volume="6",
number="10",
pages="1128-1131",
year="2005",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.A1128"
}
%0 Journal Article
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%A HU Zhi-hua
%A YANG Yan-hua
%A ZHOU Fang-de
%J Journal of Zhejiang University SCIENCE A
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%D 2005
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2005.A1128
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T1 - Study on the heat transfer of cross flow in vertical upward tubes
A1 - HU Zhi-hua
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A1 - ZHOU Fang-de
J0 - Journal of Zhejiang University Science A
VL - 6
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SP - 1128
EP - 1131
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Y1 - 2005
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2005.A1128
Abstract: A special device was designed to measure temperature difference in this study of heat transfer of water and oil cross flow inside vertical upward tubes. A new heat transfer correlation was obtained for cross flow. The experimental results showed that the dependence of heat transfer on Reynolds is much smaller in a narrow space than that in a wide space. It was found that the heat transfer correlation of cross flow in a narrow space is obviously different from that in a wide space, and that the heat transfer correlation obtained in a wide space may not be applicable to the cross-flow heat transfer in a narrow space. Further, the single-phase heat transfer capability of water cross flow was compared with that of oil cross flow. The experimental results showed that the average heat transfer coefficient of water is about 2~3 times that of oil when they have the same superficial velocity.
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