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Appl. Sci. 2016, 6(9), 226; doi:10.3390/app6090226

Comparative Effectiveness of Different Phase Change Materials to Improve Cooling Performance of Heat Sinks for Electronic Devices

1
College of Engineering, United Arab Emirates University, P.O. Box 15551 Al Ain, United Arab Emirates
2
College of Engineering, Lebanese International University, P.O. Box 146404 Beirut, Lebanon
3
College of Engineering, American University of Sharjah, P.O. Box 26666 Sharjah, United Arab Emirates
*
Author to whom correspondence should be addressed.
Academic Editor: Mohammed Mehdi Farid
Received: 16 June 2016 / Revised: 24 July 2016 / Accepted: 2 August 2016 / Published: 26 August 2016
View Full-Text   |   Download PDF [6571 KB, uploaded 26 August 2016]   |  

Abstract

This paper thermo-physically characterizes salt hydrate, paraffin wax and milk fat as phase change materials (PCMs). The three PCMs are compared in terms of improving heat sink (HS) performance for cooling electronic packaging. An experimental study is carried out on commercially available finned HS with and without PCM under natural ventilation (NV) and forced ventilation (FV) at different heat loads (4 W to 10 W). The results indicate that integration of all of the PCMs into the HS improves its cooling performance; however, milk fat lags behind the other two PCMs in terms of cooling produced. A three-dimensional pressure-based conjugate heat transfer model has been developed and validated with experimental results. The model predicts the parametric influence of PCM melting range, thermal conductivity and density on HS thermal management performance. The HS cooling performance improves with increased density and conductivity while it deteriorates with the wider melting range of the PCMs. View Full-Text
Keywords: milk fat; calcium chloride hexahydrate; paraffin wax; phase change material; cooling; electronic packaging milk fat; calcium chloride hexahydrate; paraffin wax; phase change material; cooling; electronic packaging
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Hasan, A.; Hejase, H.; Abdelbaqi, S.; Assi, A.; Hamdan, M.O. Comparative Effectiveness of Different Phase Change Materials to Improve Cooling Performance of Heat Sinks for Electronic Devices. Appl. Sci. 2016, 6, 226.

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