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Effect of fillets on heat transfer in a rheocast aluminium heatsink
Jönköping University, Sweden.
Jönköping University, Sweden.
Jönköping University, Sweden.
RISE - Research Institutes of Sweden. Jönköping University, Sweden.ORCID iD: 0000-0002-7095-1907
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2016 (English)In: 2016 17th International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems (EuroSimE), 2016, article id 7463320Conference paper, Published paper (Refereed)
Abstract [en]

The effect of fillets formed between the base and plate fins of rheocast aluminium heatsinks on the thermal resistance of the heatsinks has been quantified by simulation. Simulation methodology, including sequential optimization has been developed in order to determine hotspot distributions where the fillets have the maximum effect. Combination of different fillet dimensions with various base thickness levels and aluminium alloys having inhomogeneous thermal conductivity have been investigated. For the studied cases, the effect of fillets on heatsink thermal resistance differs from negligible to 6%. The results would guide thermal designers on contribution of fillets to the heat transfer in multi-fin heatsinks for natural convection.

Place, publisher, year, edition, pages
2016. article id 7463320
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Metallurgy and Metallic Materials
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URN: urn:nbn:se:ri:diva-32926DOI: 10.1109/EuroSimE.2016.7463320ISBN: 978-1-5090-2106-2 (electronic)OAI: oai:DiVA.org:ri-32926DiVA, id: diva2:1169775
Conference
17th International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems (EuroSimE 2016), April 18-20, 2016, Montpellier, France
Available from: 2017-12-29 Created: 2017-12-29 Last updated: 2019-06-20Bibliographically approved

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Leisner, Peter

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