Laminar Flow and Heat Transfer of Herschel-Bulkley Fluids in a Rectangular Duct; Finite-Element Analysis

被引：0

作者：

Sayed-Ahmed, M. E. ^{[1
]}

Saif-Elyazal, A. ^{[1
]}

Iskander, L. ^{[2
]}

机构：

[1] Fayoum Univ, Fac Engn, Dept Engn Math & Phys, Al Fayyum 63111, Egypt

[2] Cairo Univ, Fac Engn, Dept Engn Math & Phys, Giza 12163, Egypt

来源：

JOURNAL OF APPLIED SCIENCE AND ENGINEERING | 2009年 / 12卷 / 01期

关键词：

Numerical Analysis; Non-Newtonian Fluids; Heat Transfer; Rectangular Duct;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Laminar fully developed flow and heat transfer of Herschel-Bulkley fluids through rectangular duct is investigated numerically. The non-linear momentum and energy equations are solved numerically using finite-element approximations. We consider two cases of thermal boundary conditions H1 and T thermal boundary conditions. The velocity, temperature profiles, product of friction factor-Reynolds number and Nusselt number for H1 and T thermal boundary conditions are computed for various values of the physical parameters of the Herschel-Bulkley fluids and aspect ratio of the duct. The present results have been compared with the known solution for Newtonian and power-law fluids and are found to be in good agreement.

引用

页码：99 / 107

页数：9

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