Thermal characteristics of a resurfaced condenser and evaporator closed two-phase thermosyphon

被引：84
作者：
Rahimi, Masoud [1 ]
Asgary, Kayvan [1 ]
Jesri, Simin [2 ]
机构：
[1] Razi Univ, Dept Chem Engn, CFD Res Ctr, Kermanshah, Iran
[2] Iranian Natl Gas Co Kermanshah Prov, Kermanshah, Iran
来源：
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER | 2010年 / 37卷 / 06期
关键词：
Energy recovery; Thermosyphon; Heat transfer; Performance; Resurfacing; HEAT-TRANSFER CHARACTERISTICS; NANOFLUIDS; SURFACE; FLUX; FLOW;
D O I：
10.1016/j.icheatmasstransfer.2010.02.006
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper reports a study on the effect of the condenser and evaporator resurfacing on overall performance of a 1 m height closed two-phase thermosyphon. Water was used as working fluid with a fill ratio and operating pressure was 0.75 and 160 mbar, respectively. The thermosyphon performances for plain and modified thermosyphon were studied at 44 power inputs from 43 W to 668 W. The results show that by making the evaporator more hydrophilic and the condenser more hydrophobic, it will be possible to increase the average thermal performance by15.27% and decrease the thermal resistance by 2.35 times compared with the plain one. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：703 / 710
页数：8
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