An experimental and theoretical investigation on the effects of adding hybrid nanoparticles on heat transfer efficiency and pumping power of an oil-based nanofluid as a coolant fluid

Meisam Asadi, Amin Asadi, Sadegh Aberoumand

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

66 Citationer (Scopus)
325 Downloads (Pure)

Abstrakt

The present work aims to study heat transfer performance and pumping power of MgO–MWCNT/ thermal oil hybrid nanofluid. Using a KD2 Pro thermal analyzer, the thermal conductivity of the samples has been measured. The results showed an increasing trend for the thermal conductivity of the nanofluid by increasing the mass concentration and temperature, in which the maximum enhancement of thermal conductivity was approximately 65%. Predicting the thermal conductivity of the nanofluid, a highly accurate correlation in terms of solid concentration and temperature has been proposed. Moreover, the heat transfer efficiency and pumping power in all the studied range of solid concentrations and temperatures have been theoretically investigated, based on the experimental data of dynamic viscosity and thermal conductivity, for both the internal laminar and turbulent flow regimes. It was observed that the studied nanofluid is highly efficient in heat transfer applications as a coolant fluid in both the laminar and turbulent flow regimes, although it causes a certain penalty in the pumping power.

OriginalsprogEngelsk
TidsskriftInternational Journal of Refrigeration
Vol/bind89
Sider (fra-til)83-92
Antal sider10
ISSN0140-7007
DOI
StatusUdgivet - maj 2018

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