Study on the Heat Conduction of Phase-Change Material Microcapsules

被引：0

作者：

Gangtao Zhao ^{[1
]}

Xiaohui Xu ^{[2
]}

Lin Qiu ^{[3
]}

Xinghua Zheng ^{[3
]}

Dawei Tang ^{[3
]}

机构：

[1] Dept. of Pharmacology, General Hospital of Beijing Military Command, Chinese People's Liberation Army, CN

[2] 95824 Troop of Chinese People's Liberation Army, CN

[3] Institute of Engineering Thermophysics, Chinese Academy of Sciences

来源：

Journal of Thermal Science | 2013年 / 22卷 / 03期

基金：

中国国家自然科学基金;

关键词：

3ω-method; Effective thermal conductivity; Phase-change material microcapsules;

D O I：

暂无

中图分类号：

TK124 [传热学];

学科分类号：

摘要：

The 3ω approach was used to measure the effective thermal conductivity of phase-change material microcapsules (PCMMs) based on urea formaldehyde and sliced paraffin. The effective thermal conductivities of PCMMs with different densities were measured within the phase-change temperature range. The relationships between effective thermal conductivity, density and temperature were analysed. The effective thermal conductivity reached peak values within the phase-change temperature range and the temperature peak value was consistent with the peak value of the phase-change temperature. The effective thermal conductivity increased with increasing density due to the decreased porosity of samples and their increased solid-phase conduction.

引用

页码：257 / 260

页数：4

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