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TECHNICAL PAPERS: Forced Convection

Thermal Optimization of a Circular-Sectored Finned Tube Using a Porous Medium Approach

[+] Author and Article Information
Sung Jin Kim, Jae Wook Yoo, Seok Pil Jang

Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Taejon, 305-701, Korea

J. Heat Transfer 124(6), 1026-1033 (Dec 03, 2002) (8 pages) doi:10.1115/1.1495517 History: Received November 30, 2001; Revised May 14, 2002; Online December 03, 2002
Copyright © 2002 by ASME
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References

Figures

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Schematic view of the configurations of interest: (a) a tube with circular-sectored fins; (b) equivalent porous medium.
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Comparison of the velocity profile obtained from the porous medium approach with the exact solution
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Comparison of temperature profiles obtained from the porous medium approach with numerical solutions
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Comparison of the approximated Da and Nul with the exact results
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Effect of α on velocity profiles
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Effect of α on temperature profiles
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Effect of C on temperature profiles
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Comparison of overall Nusselt number obtained from the porous medium approach with those presented by Sparrow and Haji-Sheikh
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Contour map of the overall Nusselt number
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Contour map of Rflow(°C/W)
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Contour map of Rfin(°C/W)
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Contour map of Rtotal(°C/W)

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