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TECHNICAL PAPERS: Natural and Mixed Convection

Natural Convection Heat Transfer From a Cylinder With High Conductivity Permeable Fins

[+] Author and Article Information
Bassam A/K Abu-Hijleh

Department of Mechanical and Manufacturing Engineering, RMIT University, Bundoora East Campus, PO Box 71, Bundoora 3083, Victoria, Australiae-mail: Bassam.Abu-Hijleh@RMIT.edu.au

J. Heat Transfer 125(2), 282-288 (Mar 21, 2003) (7 pages) doi:10.1115/1.1532013 History: Received March 22, 2002; Revised October 08, 2002; Online March 21, 2003
Copyright © 2003 by ASME
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References

Figures

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Schematic of the problem, showing a case with non-uniform fin distribution
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Schematic of the computational grid in the physical (left) and computational (right) domains, showing a case with uniform fin distribution
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Comparison of the local Nusselt number for the case of a cylinder without fins
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Change in the normalized Nusselt number of the permeable fins (solid lines) and solid fins (broken lines), at RaD=103
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Change in the normalized Nusselt number of the permeable fins (solid lines) and solid fins (broken lines), at RaD=104
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Change in the normalized Nusselt number of the permeable fins (solid lines) and solid fins (broken lines), at RaD=105
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Change in the normalized Nusselt number of the permeable fins (solid lines) and solid fins (broken lines), at RaD=106
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Streamlines (right) and isotherms (left) for the case RaD=104 and H=2.00 for different number of permeable fins
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Velocity vector plot for the case of RaD=104,H=2.00, and Nf=11 (constant length vectors are use, i.e., vector’s length does not represent the magnitude of the velocity vector)
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Variation of the local Nusselt number for different number of permeable fins at RaD=104 and H=2.00
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Change in the ratio of the normalized permeable to solid fins Nusselt number at RaD=103 (top) and RaD=106 (bottom)

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