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CFD Modeling of the Cooling Performance of Pin Fin Heat Sinks Under Bypass Flow Conditions
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.ORCID iD: 0000-0001-6139-4400
University of Gävle.
2001 (English)In: Proceedings of IPACK’01 The Pacific Rim/ASME International Electronic Packaging Technical Conference and Exhibition July 8-13, 2001, Kauai, Hawaii, USA, ASME Press, 2001, Paper no IPACK2001-15674- p.Conference paper, Published paper (Refereed)
Abstract [en]

Three-dimensional CFD models of circular pin fin heat sinksin bypass flow have been developed. The numerical modelshave been validated against experimental data presented earlierby the authors. A parametric study has been performed wherethe inlet velocity, the fin height, the fin-to-fin distance and thepin orientation was varied. For all cases, the duct flow area washeld constant. The flow was turbulent, the Reynolds numbervaried between 6 100 and 15 300. For turbulence modeling theChen-Kim k-ε model was used. Results are presented for theheat transfer coefficient, and the pressure drop, as well as theinfluence of flow bypass, and the leakage from the interfinregion to the bypass regions of the domain. The inlet velocity,the fin height, and the fin-to-fin distance all showed a stronginfluence on the heat transfer coefficient and the pressure drop.

Place, publisher, year, edition, pages
ASME Press, 2001. Paper no IPACK2001-15674- p.
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-63399OAI: oai:DiVA.org:kth-63399DiVA: diva2:482157
Conference
IPACK’01 The Pacific Rim/ASME International Electronic Packaging Technical Conference and Exhibition July 8-13, 2001, Kauai, Hawaii, USA
Note
NR 20140805Available from: 2012-01-23 Created: 2012-01-23Bibliographically approved

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Jonsson, Hans

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