Entropy generation analysis of thermally developing forced convection in fluid-saturated porous medium

Entropy generation for thermally developing forced convection in a porous medium bounded by two isothermal parallel plates is investigated analytically on the basis of the Darcy flow model where the viscous dissipation effects had also been taken into account. A parametric study showed that decreasi...

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Bibliographic Details
Published in:Applied mathematics and mechanics 2008-02, Vol.29 (2), p.229-237
Main Authors: Hooman, K., Ejlali, A., Hooman, F.
Format: Article
Language:English
Subjects:
Applications of Mathematics
Classical Mechanics
Dissipation
Entropy
Fluid- and Aerodynamics
Forced convection
Mathematical analysis
Mathematical Modeling and Industrial Mathematics
Mathematical models
Mathematics
Mathematics and Statistics
Parallel plates
Partial Differential Equations
Visualization
Walls
力学实验
多孔媒介
对流现象
平均信息量
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Summary:Entropy generation for thermally developing forced convection in a porous medium bounded by two isothermal parallel plates is investigated analytically on the basis of the Darcy flow model where the viscous dissipation effects had also been taken into account. A parametric study showed that decreasing the group parameter and the Peclet number increases the entropy generation while for the Brinkman number the converse is true. Heatline visualization technique is applied with an emphasis on the Br 〈 0 case where there is somewhere that heat transfer changes direction at some streamwise location to the wall instead of its original direction, i.e., from the wall.
ISSN:0253-4827
1573-2754
DOI:10.1007/s10483-008-0210-1