Effects of Temperature-Dependent Viscosity on Thermally Developing Forced Convection through a Porous Medium

被引：4

作者：

Hooman, K. ^{[1
]}

机构：

[1] Persian Gulf Univ, Dept Mech Engn, Bushehr Engn Fac, Bushehr 75168, Iran

来源：

HEAT TRANSFER RESEARCH | 2005年 / 36卷 / 1-2期

关键词：

D O I：

10.1615/HeatTransRes.v36.i12.150

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Thermally developing laminar flows in ducts with temperature-dependent viscosity variation are analyzed, where the Arrhenius model for the variation of the viscosity with the temperature is made. The Darcy flow model is assumed. The case of isoflux boundaries is treated. For a fluid whose viscosity decreases with temperature, it is found that the effect of the variation is to reduce/increase the Nusselt number for cooled/heated walls.

引用

页码：132 / 140

页数：9

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