THERMAL SCIENCE

International Scientific Journal

EXPERIMENTAL ANALYSIS OF PARALLEL PLATE AND CROSSCUT PIN FIN HEAT SINKS FOR ELECTRONIC COOLING APPLICATIONS

ABSTRACT
Experimental investigation of parallel plate fin and the crosscut pin fin heat sinks where the heating element placed asymmetrically is performed. Theoretical calculations were done and compared with the experimental results. A comparative study was made based on their efficiencies, heat transfer coefficient, and the thermal performance. From the experimental results it was found that the average heat transfer coefficient of parallel plate fins is higher than that of crosscut pin fins with many perforations. However the performance efficiency of both the crosscut pin fins and parallel plate fins is similar. A hybrid approach was employed to significantly optimize the distance between the fan and heat sink for parallel plate and crosscut pin fins. Parallel plate heat sink with an average heat transfer coefficient of 46 W/m²K placed at an optimum fan distance of 40-60 mm is selected as the suitable choice for the micro-electronic cooling when the heating element is placed asymmetrically.
KEYWORDS
PAPER SUBMITTED: 2008-11-21
PAPER REVISED: 2009-06-04
PAPER ACCEPTED: 2009-07-19
DOI REFERENCE: https://doi.org/10.2298/TSCI1001147S
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2010, VOLUME 14, ISSUE 1, PAGES [147 - 156]
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