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Journal of Zhejiang University SCIENCE A 2005 Vol.6 No.100 P.23~28

http://doi.org/10.1631/jzus.2005.AS0023


Optimal design of the separate type heat pipe heat exchanger


Author(s):  YU Zi-tao, HU Ya-cai, CEN Ke-fa

Affiliation(s):  School of Mechanics and Energy Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   yuzitao@cmee.zju.edu.cn

Key Words:  Separate type heat pipe heat exchanger, Optimal design, ε, -NTU (effectiveness-Number of Transfer Units)


YU Zi-tao, HU Ya-cai, CEN Ke-fa. Optimal design of the separate type heat pipe heat exchanger[J]. Journal of Zhejiang University Science A, 2005, 6(100): 23~28.

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author="YU Zi-tao, HU Ya-cai, CEN Ke-fa",
journal="Journal of Zhejiang University Science A",
volume="6",
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pages="23~28",
year="2005",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.AS0023"
}

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%A CEN Ke-fa
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2005.AS0023

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T1 - Optimal design of the separate type heat pipe heat exchanger
A1 - YU Zi-tao
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J0 - Journal of Zhejiang University Science A
VL - 6
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2005.AS0023


Abstract: 
separate type heat pipe heat exchangers are often used for large-scale heat exchanging. The arrangement of such a heat exchanger conveniently allows heat input to and output from the heat exchanger at remote locations. The traditional method of designing an ordinary HPHE (heat pipe heat exchanger) is commonly applied in the separate type exchanger design, but the calculations have to be carried out separately, which makes it very complicated. In this work, the ε;-NTU (effectiveness-Number of Transfer Units) method was applied for optimization analysis of single- or multi-level separate type heat pipe heat exchangers. An optimizing formula for single-level separate type heat pipe heat exchangers was obtained. The optimizing principles of effectiveness-NTU and heat transfer rate by the equal distribution method for multi-level separate type heat pipe heat exchanger are presented. The design of separate type heat pipe heat exchangers by the optimizing method is more convenient and faster than by the traditional method.

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Reference

[1] Chen, J., 1996. Segmental design

[2] Flavio, D., 1991. Application and Development of Heat Pipe Technology. Guangxi Normal University Press, Nanning, Guangxi (in Chinese).

[3] Jin, M.C., Chen, Y.G., 1986. Heat Pipe and Heat Pipe Exchangers. Chongqing University Press, Chongqing (in Chinese).

[4] Tu, C.J., 1989. Gravity Heat Pipe Heat Exchanger and Its Application to Exhausted Heat Utilization. Zhejiang University Press, Hangzhou (in Chinese).

[5] Yang, S.M., Tao, W.Q., 1998. Heat Transfer (Edition 3). Higher Education Press, Beijing (in Chinese).

[6] Zhuang, J., Xu, T.M., Shi, S.C., 1989. Heat Pipe and Heat Pipe Exchangers. Shanghai Jiaotong University Press, Shanghai (in Chinese).

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