A practical plate-fin heat sink model
Resource
APPLIED THERMAL ENGINEERING, 31(5), 984-992
Journal
Applied Thermal Engineering
Pages
984-992
Date Issued
2011
Date
2011
Author(s)
Abstract
This study develops a practical model to predict the hydraulic and thermal performance of a plate-fin heat sink. This all-in-one asymptotic model was developed for a wide range of Reynolds numbers, including laminar, transition, and turbulent flows as Re<5000. It can predict pressure drops with an accuracy within -13.87% to 8.4%. This asymptotic model interprets the heat-transfer behavior of transition flow to within -14% to 12% of error range when Reynolds number ranges from 2000 to 4000. Furthermore, this study achieves optimization in geometry with the present model. While the pressure drop is fixed at 10 mmAq, and the fin height is fixed at 24 mm, optimal values for fin spacing, base thickness, base width, base length, and fin thickness are provided. © 2010 Elsevier Ltd. All rights reserved.
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Type
journal article
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