Theoretical study of heat transfer enhancement in pipe with porous body

被引：2

作者：

Gong, W.P. ^{[1
]}

Han, J.T. ^{[1
]}

Cheng, F. ^{[1
]}

机构：

[1] Dep. of Power Eng., Shandong Univ., Jinan 250061, China

来源：

Journal of Hydrodynamics | 2001年 / 13卷 / 01期

关键词：

Computer simulation - Dispersions - Mathematical models - Pipe flow - Porosity - Porous materials;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A theoretical investigation on the fluid flow and heat transfer in a pipe with porous body of high porosity twisted by metal wire was carried out. A theoretical model of a circular pipe with porous matrix attached at the channel wall and extended inward the centerline was set up. Through analyzing the flow in the porous matrix by the Brinkman-extended-Darcy equation and through including the effect of dispersion by adding the dispersion coefficient into the energy equation, the theoretical solutions of velocity distribution and temperature fields were obtained. Finally the effect of the properties of the porous matrix on the flow and heat transfer in the porous body was studied, which indicates that dispersion can really enhance the heat transfer in pipe.

引用

页码：111 / 116

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