Novel insight and numerical analysis of convective heat transfer enhancement with microencapsulated phase change material slurries: laminar flow in a circular tube with constant heat flux

被引：176

作者：

Hu, XX ^{[1
]}

Zhang, YP ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Bldg Sci, Beijing 100084, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2002年 / 45卷 / 15期

关键词：

microencapsulated phase change material slurries; microcapsule; heat transfer enhancement; energy storage;

D O I：

10.1016/S0017-9310(02)00034-0

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper presents a novel insight for the forced convective heat transfer enhancement of microencapsulated phase change material slurries flowing through a circular tube with constant heat flux. The influence of various factors is analyzed in detail by using an effective specific heat capacity model, validated with the results available in the literature. It is found that the conventional Nusselt number correlations for internal flow of single phase fluids are not suitable for accurately describing the heat transfer enhancement with microencapsulated phase change material suspensions, and a modification is introduced that enables evaluation for the convective heat transfer of internal flows. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：3163 / 3172

页数：10

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