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- W2977187848 abstract "Purpose The purpose of this paper is to investigate the heat transfer of laminar and turbulent pulsating Al203/water nanofluid flow in a two-dimensional channel. In the laminar flow range, with increasing Reynolds number (Re), the velocity gradient is increased. Also, the Nusselt number (Nu) is increased, which causes increase in the overall heat transfer rate. Additionally, in the change of flow regime from laminar to turbulent, average thermal flux and pulsation range are increased. Also, the effect of different percentage of Al 2 O 3 /water nanofluid is investigated. The results show that the addition of nanofluids improve thermal performance in channel, but the using of nanofluid causes a pressure drop in the channel. Design/methodology/approach The pulsatile flow and heat transfer in a two-dimensional channel were investigated. Findings The numerical results show that the Al 2 O 3 /Water nanofluid has a significant effect on the thermal properties of the different flows (laminar and turbulent) and the average thermal flux and pulsation ranges are increased in the change of flow regime from laminar to turbulent. Also, the addition of nanofluid improves thermal performance in channels. Originality/value The originality of this work lies in proposing a numerical analysis of heat transfer of pulsating Al 2 O 3 /Water nanofluid flow -with different percentages- in the two-dimensional channel while the flow regime change from laminar to turbulent." @default.
- W2977187848 created "2019-10-03" @default.
- W2977187848 creator A5014310300 @default.
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- W2977187848 date "2019-09-26" @default.
- W2977187848 modified "2023-10-18" @default.
- W2977187848 title "Numerical investigation of heat transfer of laminar and turbulent pulsating Al<sub>2</sub>O<sub>3</sub>/water nanofluid flow" @default.
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- W2977187848 doi "https://doi.org/10.1108/hff-06-2019-0485" @default.
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