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Numerical Heat Transfer, Part A: Applications
An International Journal of Computation and Methodology
Volume 63, 2013 - Issue 5
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Original Articles

Heatlines for Visualization of Heat Transport for Natural Convection within Porous Trapezoidal Enclosures with Various Wall Heating

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Pages 347-372 | Received 06 Jul 2012, Accepted 15 Sep 2012, Published online: 21 Dec 2012
 

Abstract

A detailed study on natural convection heat transfer within porous trapezoidal enclosures has been carried out for two different cases. The effect of linearly heated side walls on flow pattern is investigated in case 1; whereas, the effect of linearly heated left wall and cold right wall is studied in case 2. In both cases, the bottom wall of the cavity is uniformly heated and the upper wall is adiabatic. The results are analyzed for a wide range of parameters such as Rayleigh number, Ra(103 ≤ Ra ≤ 106), Prandtl number, Pr(0.015 ≤Pr ≤ 988.24), and Darcy number, Da(10−5 ≤ Da ≤ 10−3).

Acknowledgments

The authors would like to thank the editor for comments, which improved the quality of this article.

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