Thermally developing forced convection in a channel occupied by a porous medium saturated by a non-Newtonian fluid

被引：25
作者：
Nield, DA
Kuznetsov, A
机构：
[1] N Carolina State Univ, Dept Mech & Aerosp Engn, Raleigh, NC 27695 USA
[2] Univ Auckland, Dept Engn Sci, Auckland 1, New Zealand
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2005年 / 48卷 / 06期
关键词：
D O I：
10.1016/j.ijheatmasstransfer.2004.09.040
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The classical Graetz methodology is applied to investigate the thermal development of forced convection in a parallel plate channel filled by a saturated porous medium, with walls held at constant temperature, for the case of a non-Newtonian fluid of power-law type. A Brinkman-Forchheimer model is used for the momentum equation. The analysis for the case of small modified Darcy number leads to expressions for the local Nusselt number and average Nusselt number as functions of the dimensionless longitudinal coordinate, the power-law index, a modified Darcy number, and a modified Reynolds-Forchheimer number (with the last three parameters being involved via a boundary-layer thickness). (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1214 / 1218
页数：5
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