The second law analysis in fundamental convective heat transfer problems

被引：173

作者：

Mahmud, S ^{[1
]}

Fraser, RA ^{[1
]}

机构：

[1] Univ Waterloo, Dept Mech Engn, Waterloo, ON N2L 3G1, Canada

来源：

INTERNATIONAL JOURNAL OF THERMAL SCIENCES | 2003年 / 42卷 / 02期

关键词：

Bejan number; entropy generation number; irreversibility distribution ratio;

D O I：

10.1016/S1290-0729(02)00017-0

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Second law characteristics of heat transfer and fluid flow due to forced convection of steady-laminar flow of incompressible fluid inside channel with circular cross-section and channel made of two parallel plates is analyzed. Different problems are discussed with their entropy generation profiles and beat transfer irreversibility characteristics. In each case, analytical expression for entropy generation number (N-S) and Bejan number (Be) are derived in dimensionless form using velocity and temperature profiles. (C) 2002 Editions scientifiques et medicales Elsevier SAS. All rights reserved.

引用

页码：177 / 186

页数：10

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