NDLI: Thermal Analysis of Natural-Convection-Cooled Heat Sinks Using the Volume-Averaging Approach

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Byon, Chan Kim, Sung Jin
Copyright Year	2008
Abstract	In this paper, a compact modeling method for predicting the thermal characteristics of vertical plate fin heat sinks under natural convection is presented. The plate fin heat sink is modeled using the volume-averaging approach. The solutions for velocity and temperature distributions are obtained by solving the averaged governing equations. In order to validate the model proposed in this paper, experimental investigations are performed. The resulting effective heat transfer coefficients of heat sinks are compared with those obtained through the compact modeling. Under comparison, the analytical solutions based on the compact modeling are shown to predict the heat transfer characteristics of plate fin heat sink quite well. Comparisons with other studies are also conducted. Using the validated model, the thermal resistances of heat sinks are obtained. The heat transfer characteristics of the heat sink under natural convection are compared with those of the heat sink subjected to forced convection. And finally, thermal optimization of heat sink is performed.
Starting Page	859
Ending Page	867
Page Count	9
File Format	PDF
ISBN	9780791848715
DOI	10.1115/IMECE2008-67151
e-ISBN	9780791838402
Volume Number	Volume 10: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B, and C
Conference Proceedings	ASME 2008 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2008-10-31
Publisher Place	Boston, Massachusetts, USA
Access Restriction	Subscribed
Subject Keyword	Natural convection Averaging approach Heat sinks Plate fin Optimization Thermal analysis Convection
Content Type	Text
Resource Type	Article

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