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Cooling of high heat flux flat surface with nanofluid assisted convective loop: Experimental assessment

Arya, A., Shahmiry, S., Nikkhah, V. and Sarafraz, M.M. 2017, Cooling of high heat flux flat surface with nanofluid assisted convective loop: Experimental assessment, Archive of Mechanical Engineering, vol. 64, no. 4, pp. 519-531, doi: 10.1515/meceng-2017-0030.

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Title Cooling of high heat flux flat surface with nanofluid assisted convective loop: Experimental assessment
Author(s) Arya, A.
Shahmiry, S.
Nikkhah, V.
Sarafraz, M.M.ORCID iD for Sarafraz, M.M. orcid.org/0000-0002-6347-0216
Journal name Archive of Mechanical Engineering
Volume number 64
Issue number 4
Start page 519
End page 531
Total pages 13
Publisher Versita
Place of publication Warsaw, Poland
Publication date 2017
ISSN 0004-0738
2300-1895
Keyword(s) Science & Technology
Technology
Engineering, Mechanical
Engineering
ZnO nanoparticle
pressure drop
heat transfer coefficient
friction factor
THERMAL PERFORMANCE
WORKING
CPU
THERMOSIPHON
ALUMINA
WATER
EFFICIENCY
COOLER
GLYCOL
FLUIDS
Summary Experimental investigation was conducted on the thermal performance and pressure drop of a convective cooling loop working with ZnO aqueous nanofluids. The loop was used to cool a flat heater connected to an AC autotransformer. Influence of different operating parameters, such as fluid flow rate and mass concentration of nanofluid on surface temperature of heater, pressure drop, friction factor and overall heat transfer coefficient was investigated and briefly discussed. Results of this study showed that, despite a penalty for pressure drop, ZnO/water nanofluid was a promising coolant for cooling the micro-electronic devices and chipsets. It was also found that there is an optimum for concentration of nanofluid so that the heat transfer coefficient is maximum, which was wt. % = 0.3 for ZnO/water used in this research. In addition, presence of nanoparticles enhanced the friction factor and pressure drop as well; however, it is not very significant in comparison with those of registered for the base fluid.
Language eng
DOI 10.1515/meceng-2017-0030
Indigenous content off
HERDC Research category C1.1 Refereed article in a scholarly journal
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30142853

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.