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TECHNICAL PAPERS: Forced Convection

Laminar Heat Transfer in the Entrance Region of Internally Finned Square Ducts

[+] Author and Article Information
V. D. Sakalis, P. M. Hatzikonstantinou

Department of Engineering Science, University of Patras, GR 26110 Patras, Greece

J. Heat Transfer 123(6), 1030-1034 (May 15, 2001) (5 pages) doi:10.1115/1.1404118 History: Received July 24, 2000; Revised May 15, 2001
Copyright © 2001 by ASME
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References

Figures

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Duct of square cross section containing four equal thin symmetrical fins
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Variation of the axial velocity along AA axis for fin height H=0, 0.25, 0.625, and 0.75
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Variation of the friction factor product as a function of fin height H
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Mean Nusselt number variation in the entrance region, at each fin height
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Variation of mean Nusselt number in the developed region as a function of fin height H
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Variation of the ratio Nu/f Re in the developed region, as a function of fin height H
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Temperature distribution along AA axis for axial distances s̄=0.005, 0.05, 0.1 and H=0.25
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The thermal entrance length Lth variation as a function of fin height H

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