The performance of an array of staggered and nonstaggered cooling fins is compared, looking not only into the traditional objective of maximum heat transfer flux, but also to obtain it with the minimum flow resistance. Three different models were studied to obtain the ratio between the heat removed and the energy spent for the coolant flow going through the cooling fins. The study is done numerically using the computational fluid dynamic software FLUENT. The results show the advantages of the staggered model compared to the standard model since for a given incoming velocity, the use of a staggered heat sink always leads to a maximization of the heat transfer flux. The significant positive difference in the thermal performance of the staggered model permits the reduction of the incoming velocity with the consequent reduction in the pressure drop, and power consumption. The authors consider this research as a quite interesting approach as compared to other research where the flow resistance has not been taken into account.
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e-mail: octavio@elis.rug.ac.be
e-mail: Erik.Dick@.rug.ac.be
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September 2003
Technical Papers
Comparison Between the Standard and Staggered Layout for Cooling Fins in Forced Convection Cooling
Octavio Leon,
e-mail: octavio@elis.rug.ac.be
Octavio Leon
Department of Electronics and Information Systems, Ghent University, Sint Pietersnieuwstraat 41, 9000 Ghent, Belgium
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Gilbert De Mey,
Gilbert De Mey
Department of Electronics and Information Systems, Ghent University, Sint Pietersnieuwstraat 41, 9000 Ghent, Belgium
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Erik Dick,
e-mail: Erik.Dick@.rug.ac.be
Erik Dick
Department of Flow, Heat, and Combustion, Ghent University, Sint Pietersnieuwstraat 41, 9000 Ghent, Belgium
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Jan Vierendeels
Jan Vierendeels
Department of Flow, Heat, and Combustion, Ghent University, Sint Pietersnieuwstraat 41, 9000 Ghent, Belgium
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Octavio Leon
Department of Electronics and Information Systems, Ghent University, Sint Pietersnieuwstraat 41, 9000 Ghent, Belgium
e-mail: octavio@elis.rug.ac.be
Gilbert De Mey
Department of Electronics and Information Systems, Ghent University, Sint Pietersnieuwstraat 41, 9000 Ghent, Belgium
Erik Dick
Department of Flow, Heat, and Combustion, Ghent University, Sint Pietersnieuwstraat 41, 9000 Ghent, Belgium
e-mail: Erik.Dick@.rug.ac.be
Jan Vierendeels
Department of Flow, Heat, and Combustion, Ghent University, Sint Pietersnieuwstraat 41, 9000 Ghent, Belgium
Contributed by the Electronic and Photonic Packaging Division for publication in the JOURNAL OF ELECTRONIC PACKAGING. Manuscript received October 2002. Associate Editor: B. Courtois.
J. Electron. Packag. Sep 2003, 125(3): 442-446 (5 pages)
Published Online: September 17, 2003
Article history
Received:
October 1, 2002
Online:
September 17, 2003
Citation
Leon, O., De Mey, G., Dick, E., and Vierendeels, J. (September 17, 2003). "Comparison Between the Standard and Staggered Layout for Cooling Fins in Forced Convection Cooling ." ASME. J. Electron. Packag. September 2003; 125(3): 442–446. https://doi.org/10.1115/1.1602709
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