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

页码：703 / 710

页数：8

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