NDLI: Characterization of swaged mixed metal heat sinks

Content Provider	IEEE Xplore Digital Library
Author	Zaghlol, A. Leonard, W. Culham, R.
Copyright Year	2003
Description	Author affiliation: R-Theta Inc., Ontario, Ont., Canada (Zaghlol, A.)
Abstract	The present experimental study investigates the thermal performance of four heatsink combinations based on the forced convection heat transfer mode. The four designs consist of an all aluminum, all copper, copper baseplate/aluminum fin and aluminum baseplate/copper fin heatsink. Each heat sink combination was tested in pairs of heatsinks placed within a vertical wind tunnel of Plexiglas walls such that the fins were positioned vertically and parallel to the airflow inside the tunnel. A block heater providing 800 watts and covering 60% of the baseplate was placed in between two identical heat sinks. Experiments were performed for an approach velocity ranging from 2 m/s to 8 m/s. The average rise in temperature of eight measured locations was used to calculate the thermal resistance. The all copper heatsink provided the lowest thermal resistance while the all aluminum heatsink returned the highest value. The experiments show that there is marginal improvement of 3% in the performance of the copper-base/aluminum-fin heatsink due to the higher conductivity of the copper base. The experiments show that the thermal performance can be improved by up to 14% by increasing the thermal conductivity of the fin material, as in the case of the aluminum-base/copper-fin heatsink.
Starting Page	1037
Ending Page	1042
File Size	380963
Page Count	6
File Format	PDF
ISBN	0780377680
DOI	10.1109/APEC.2003.1179344
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-02-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heat sinks Copper Aluminum Thermal resistance Thermal conductivity Heat transfer Temperature measurement Resistance heating Thermal force Testing
Content Type	Text
Resource Type	Article

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