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Received: 2004-11-19

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Journal of Zhejiang University SCIENCE A 2005 Vol.6 No.10 P.1128~1131

10.1631/jzus.2005.A1128


Study on the heat transfer of cross flow in vertical upward tubes


Author(s):  HU Zhi-hua, YANG Yan-hua, ZHOU Fang-de

Affiliation(s):  School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China; more

Corresponding email(s):   hzh@sjtu.edu.cn

Key Words:  Heat transfer, Cross flow, Upward


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.

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author="HU Zhi-hua, YANG Yan-hua, ZHOU Fang-de",
journal="Journal of Zhejiang University Science A",
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number="10",
pages="1128~1131",
year="2005",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.A1128"
}

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%DOI 10.1631/jzus.2005.A1128

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T1 - Study on the heat transfer of cross flow in vertical upward tubes
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J0 - Journal of Zhejiang University Science A
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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.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Giedt, W.H., 1949. Investigation of variation of point unit-heat transfer coefficient around cylinder normal to an air steam. Trans. ASME, 71:375-381.

[2] Holman, J.P., 1997. Heat Transfer. 8th Edition. McGraw-Hill Company, New York.

[3] Knudsen, J.D., Katz, D.L., 1958. Fluid Dynamics and Heat Transfer. McGraw-Hill Company, New York.

[4] Yang, S.M., Tao, W.Q., 1998. Heat Transfer. Higher Education Press, Beijing (in Chinese).

[5] Zhukauskas, A., 1987. Advances in Heat Transfer. Academic Press, London.

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