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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.3 P.410-415

http://doi.org/10.1631/jzus.A071342


Theoretical and experimental research on heat transfer performance of the semi-open heat pipe


Author(s):  Hua ZHU, Bo ZHUANG, Jin-jun TAN, Rong-hua HONG

Affiliation(s):  Institute of Thermal Science and Power Systems, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   zhuhua@zju.edu.cn, hrh@zju.edu.cn

Key Words:  Semi-open heat pipe, Heat transfer performance, Closed heat pipe, First transitional point


Hua ZHU, Bo ZHUANG, Jin-jun TAN, Rong-hua HONG. Theoretical and experimental research on heat transfer performance of the semi-open heat pipe[J]. Journal of Zhejiang University Science A, 2008, 9(3): 410-415.

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author="Hua ZHU, Bo ZHUANG, Jin-jun TAN, Rong-hua HONG",
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pages="410-415",
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publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A071342"
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%T Theoretical and experimental research on heat transfer performance of the semi-open heat pipe
%A Hua ZHU
%A Bo ZHUANG
%A Jin-jun TAN
%A Rong-hua HONG
%J Journal of Zhejiang University SCIENCE A
%V 9
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%P 410-415
%@ 1673-565X
%D 2008
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A071342

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T1 - Theoretical and experimental research on heat transfer performance of the semi-open heat pipe
A1 - Hua ZHU
A1 - Bo ZHUANG
A1 - Jin-jun TAN
A1 - Rong-hua HONG
J0 - Journal of Zhejiang University Science A
VL - 9
IS - 3
SP - 410
EP - 415
%@ 1673-565X
Y1 - 2008
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A071342


Abstract: 
This paper focuses on the heat transfer performance of semi-open heat pipe which is a new type of heat pipe. After analyzing its condensation heat transfer mechanisms theoretically, several semi-open heat pipes in different length ratios and upper hole diameters are studied experimentally and compared with the same dimensions closed heat pipes. Experimental results show that the heat transfer performance of semi-open heat pipe becomes better by increasing heat transfer rate. At the first transitional point, the heat transfer performance of semi-open heat pipe approaches the level of the closed heat pipe. It is suitable to choose upper small hole about 1 mm in diameter and length ratio larger than 0.6 for the semi-open heat pipe.

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

Reference

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