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Proceedings of the 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2019)

ISSN: 2688-7231 (Online)

Investigation on the heat transfer performance of BeO-water nanofluid in an electronic cooling system

Vishnuprasad Selvaraj
Department of Chemical Engineering, NIT Calicut

Bindusai Morri
Department of Chemical Engineering, NIT Calicut

Karthick Senthilkumar
Department of Chemical Engineering, NIT Calicut

Haribabu Krishnan
Department of Chemical Engineering, NIT Calicut

DOI: 10.1615/IHMTC-2019.440
pages 257-262

Abstract

In this work, the heat transfer performance of BeO nanofluid was investigated in a simulated electronic cooling system. A maximum thermal conductivity enhancement of 55% was obtained for 3 vol.% nanofluid at 28 °C. Cooling studies were performed by analysing the effect of nanofluid concentrations (0.25 − 2 vol.%) and flow rates (5 − 10 ml/sec) on the system core temperature, convective heat transfer coefficient, and pressure drop. A maximum increase in the convective heat transfer coefficient of 40% was obtained by 2 vol.% BeO nanofluid at a flow rate of 10 ml/sec with a 15 °C decrease in core temperature compared to cooling using water. An average increase in the pressure drop of 5% was observed by using BeO nanofluid compared to water. The observed results show that the BeO nanofluids with improved thermal properties should be a suitable alternative for conventional coolants, which can be used as an efficient heat transfer fluid in low working volume thermal management applications.

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