| Boiling of HFE—7100 on a Straight Pin Fin |
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| 引用本文： | Z.W.Liu W.W.Lin 等. Boiling of HFE—7100 on a Straight Pin Fin[J]. 热科学学报(英文版), 2001, 10(1): 79-82. DOI: 10.1007/s11630-001-0014-9 |
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| 作者姓名： | Z.W.Liu W.W.Lin 等 |
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| 作者单位： | Department of Chemical Engineering,National Taiwan University,Taipei,Taiwan 106 |
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| 摘 要： | IntroductionSeveral books had summarized inveshgationsanalyzing fins with a consent heat tusfer coefficient(e.g., see Kem and Kraus[']). When boiling occurs on a fin,the heat transfer coefficient along the fin is definitely notconstant. Inveshgated by the Pioneering works of Haleyand Westwatefv and Lai and Hsu['l, fin boiling ProCesshas received extensive attention. ~sl41 and Liaw andYehul reviewed the related lit~. BOth the heattransfer rate from the fin base, as well as the feasibleoper…
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| 关 键 词： | 沸腾液体 热交换 HFE－7100 |
| 收稿时间： | 2003-01-16 |
Boiling of HFE-7100 on a straight pin fin |
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| Z. W. Liu,W. W. Lin,D. J. Lee,J. P. Hsu. Boiling of HFE-7100 on a straight pin fin[J]. Journal of Thermal Science, 2001, 10(1): 79-82. DOI: 10.1007/s11630-001-0014-9 |
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| Authors: | Z. W. Liu W. W. Lin D. J. Lee J. P. Hsu |
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| Affiliation: | (1) Department of Chemical Engineering, National Taiwan University, 106 Taipei, Taiwan |
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| Abstract: | This paper deals with an experimental investigation of pin fin boiling of saturated and subcooled HFE-7100 under atmospheric pressure. Fin base temperature and heat flux data are measured along with the fin tip temperature. The basic features of boiling stability of HFE-7100 boiling on pin fin had been reported for the first time. For a given liquid/heating surface combination there exist upper steady-state (USS) branch and lower steady-state (LSS) branch, and a large, unstable regime located in between. Zones with different stability characteristics are mapped according to boiling on fins with different aspect ratios. Liquid subcooling can largely enhance heat transfer performance. A longer fin can provide a safer operation |
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| Keywords: | fin boiling CFC-substtitute stability. |
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