水和丙酮工质的金属纤维毡蒸气腔热管的传热性能

doi:10.11949/j.issn.0438-1157.20140765

化工学报 ›› 2015, Vol. 66 ›› Issue (2): 522-529.DOI: 10.11949/j.issn.0438-1157.20140765

水和丙酮工质的金属纤维毡蒸气腔热管的传热性能

徐鹏程^1,2, 陶汉中¹, 张红¹

1 南京工业大学能源学院, 江苏南京 211816;
2 南京科远自动化集团股份有限公司, 江苏南京 211102

收稿日期:2014-05-14 修回日期:2014-11-25 出版日期:2015-02-05 发布日期:2015-02-05
通讯作者: 陶汉中

Thermal performance of vapor chamber heat pipe with metal felt wick of water or acetone working fluid

XU Pengcheng^1,2, TAO Hanzhong¹, ZHANG Hong¹

1 School of Energy, Nanjing Tech University, Nanjing 211816, Jiangsu, China;
2 Nanjing SCIYON Automation Group Co., Ltd., Nanjing 211102, Jiangsu, China

Received:2014-05-14 Revised:2014-11-25 Online:2015-02-05 Published:2015-02-05

摘要/Abstract

摘要：

通过实验研究了金属纤维毡吸液芯蒸气腔热管的传热特性,测试了在单一热源下,不同热通量、风速以及工质种类时蒸气腔热管的启动性能与均温特性,并使用红外热像仪对蒸气腔热管冷凝端拍摄。实验中蒸气腔热管使用的工质分别为水与丙酮。实验结果表明:金属纤维毡蒸气腔热管的启动时间基本在3000 s左右;蒸气腔热管的蒸发端与冷凝端的等温性能良好,其中水工质的冷热端最小温差为1.35℃,因此使用金属纤维毡吸液芯蒸气腔热管可以避免电子器件的局部高温。

关键词: 计算流体力学, 对流, 传热, 蒸汽腔热管, 金属纤维毡, 均温性

Abstract:

The heat transfer characteristics of the vapor chamber heat pipe with metal fiber felt wick were studied by experiments. Under different conditions, the isothermal characteristics and startup performance of the vapor chamber heat pipe using a single heat source were tested. The variables were heat flux, cooling wind speed and working fluid. The condenser section of the vapor chamber heat pipe was filmed by infrared thermography. The working fluid used in the vapor chamber heat pipe was water or acetone. The vapor chamber heat pipe could startup smoothly from ambient temperature at different heating powers, and startup time was about 3000 s. Both evaporator and condenser sections of the vapor chamber heat pipe had good isothermal performance, and the minimum temperature difference of the heat pipe using water as working fluid was 1.35℃. So electronic devices could avoid local high temperature by using the vapor chamber heat pipe with metal fiber felt wick.

Key words: CFD, convection, heat transfer, vapor chamber heat pipe, metal felt wick, temperature uniformity

中图分类号:

徐鹏程, 陶汉中, 张红. 水和丙酮工质的金属纤维毡蒸气腔热管的传热性能[J]. 化工学报, 2015, 66(2): 522-529.

XU Pengcheng, TAO Hanzhong, ZHANG Hong. Thermal performance of vapor chamber heat pipe with metal felt wick of water or acetone working fluid[J]. CIESC Journal, 2015, 66(2): 522-529.

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水和丙酮工质的金属纤维毡蒸气腔热管的传热性能

Thermal performance of vapor chamber heat pipe with metal felt wick of water or acetone working fluid

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