Experimental research on effect of copper metal foam proportion on paraffin wax melting and heat transfer mechanism under high cell density

被引：0

作者：

Zhu M. ^{[1
]}

Wang Z. ^{[1
]}

Sun X. ^{[1
]}

Zhou X. ^{[2
]}

机构：

[1] Shanghai Key Laboratory of Multiphase Flow and Heat Transfer in Power Engineering, School of Energy and Power Engineering, University of Shanghai for Sciences and Technology, Shanghai

[2] School of Mechanical and Energy Engineering, Tongji University, Shanghai

来源：

Huagong Jinzhan/Chemical Industry and Engineering Progress | 2022年 / 41卷 / 06期

关键词：

copper metal foam; integrated heat transfer coefficient; natural convection intensity; phase change heat storage; phase change materials;

D O I：

10.16085/j.issn.1000-6613.2021-1412

中图分类号：

学科分类号：

摘要：

Using paraffin wax and copper metal foam, copper metal foam composite phase change materials were prepared in this study. The effect of the copper metal foam proportion on heat transfer enhancement in the melting process of PCMs was analyzed using visualization heat storage experimental equipment. The integrated heat transfer coefficient of the copper metal foam composite PCMs was obtained. The experimental results showed that when the copper metal foam proportion was 0, 0.43%, 1.29% and 2.15%, the integrated heat transfer coefficient of the composite phase change material first decreased and then increased, which was 1.26W/(m·K), 1.18W/(m·K), 1.44W/(m·K) and 1.88W/(m·K), respectively. Thus, with the increase of copper metal foam proportion, the melting time of composite phase change materials increased first and then decreased. In addition, as the proportion of copper metal foam increased from 0.43% to 2.15%, the proportion of heat conduction in the heat transfer mechanism rosefrom 17.26% to 86.01% and the proportion of natural convection dropped from 82.74% to 13.99%. © 2022, Chemical Industry Press Co., Ltd.. All rights reserved.

引用

页码：3203 / 3211

页数：8

共 21 条

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