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

XU Pengcheng; TAO Hanzhong; ZHANG Hong

doi:10.11949/j.issn.0438-1157.20140765

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

更新时间：2025-12-10

- Thermal performance of vapor chamber heat pipe with metal felt wick of water or acetone working fluid
- CIESC Journal Issue 2, Pages: 522-529(2015)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20140765
  CLC： B657.5TK172
- Online First：05 February 2015，
  
  Published：05 February 2015
- 稿件说明：
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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, (2): 522-529.
DOI：

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, (2): 522-529. DOI： 10.11949/j.issn.0438-1157.20140765.

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。

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.

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