Thermal optimization of plate-fin heat sinks with variable fin thickness

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In the present paper, thermal optimization of a plate-fin heat sink with the fin thickness varying in the direction normal to the fluid flow was conducted. The model used for this optimization was based on the volume averaging theory (VAT). It was shown that the thermal resistance of the plate-fin heat sink can be reduced by allowing the fin thickness to increase in the direction normal to the fluid flow. In the case of a water-cooled heat sink, the thermal resistance decreases by as much as 15%. The amount of the reduction increases as the pumping power increases or as the length of the heat sink decreases. (C) 2010 Elsevier Ltd. All rights reserved.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2010-12
Language
English
Article Type
Article
Keywords

MICROCHANNELS

Citation

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, v.53, no.25-26, pp.5988 - 5995

ISSN
0017-9310
DOI
10.1016/j.ijheatmasstransfer.2010.07.052
URI
http://hdl.handle.net/10203/93756
Appears in Collection
ME-Journal Papers(저널논문)
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