Convective heat transfer enhancement of laminar flow of latent functionally thermal fluid in a circular tube with constant heat flux: internal heat source model and its application

被引：15

作者：

Zhang, YP ^{[1
]}

Hu, XX ^{[1
]}

Hao, Q ^{[1
]}

Wang, X ^{[1
]}

机构：

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

来源：

SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES | 2003年 / 46卷 / 02期

关键词：

latent functionally thermal fluid; heat transfer enhancement; microcapsule; phase change;

D O I：

10.1360/03ye9014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper analyzes the convective heat transfer enhancement mechanism of latent heat functionally thermal fluid. By using the proposed internal heat source model, the influence of each factor affecting the heat transfer enhancement of laminar flow in a circular tube with constant heat flux is analyzed. The main influencing factors and the mechanisms of heat transfer. enhancement are clarified, and the influences of the main factors on the heat transfer enhancement are quantitatively analyzed. A modified Nusselt number for internal flow is introduced to describe more effectively the degree of heat transfer enhancement for latent functionally thermal fluid.

引用

页码：131 / 140

页数：10

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