Semi-analytical solution of nanofluid flow with convective and radiative heat transfer

Razavi, SE; Adibi, T; Ahmed, SF; Saha, SC

Semi-analytical solution of nanofluid flow with convective and radiative heat transfer

Razavi, SE Adibi, T Ahmed, SF Saha, SC

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Publisher:: WORLD SCIENTIFIC PUBL CO PTE LTD
Publication Type:: Journal Article
Citation:: International Journal of Modern Physics B, 2024
Issue Date:: 2024-01-01

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Field	Value	Language
dc.contributor.author	Razavi, SE
dc.contributor.author	Adibi, T
dc.contributor.author	Ahmed, SF
dc.contributor.author	Saha, SC
dc.date.accessioned	2024-03-24T02:46:52Z
dc.date.available	2024-03-24T02:46:52Z
dc.date.issued	2024-01-01
dc.identifier.citation	International Journal of Modern Physics B, 2024
dc.identifier.issn	0217-9792
dc.identifier.issn	1793-6578
dc.identifier.uri	http://hdl.handle.net/10453/177035
dc.description.abstract	The application of nanofluids has exploded in recent decades to improve the local number, mean Nusselt number, and rate of heat transfer. However, boundary layer equations of nanofluid across a flat plate with radiation have not been studied, and therefore this paper studies them mathematically for the first time. For water-based copper and aluminum oxide nanofluids, a similarity solution is presented in this study, and the subsequent system of the ordinary differential equation (ODE) is numerically solved by the Runge-Kutta method in MATLAB. Two different hydraulic boundary conditions are used in the simulations. In the first, the flow across a moving plate and the direction of the flow are analyzed, while in the second, the flow over a nonlinearly moving plate in a still fluid is investigated. The nanoparticle's boundary layer thickness is found less than the thermal and hydraulics boundary layers. The local Nusselt number and friction factor of both the nanofluids are calculated and compared with the base fluid. The results demonstrate that the friction coefficient is high and the Nusselt number is low for nanoparticles with a high volume fraction. It also revealed that the friction factor for water-aluminum oxide is 16% greater than that for the water-CuO whereas the local Nusselt number for water-aluminum oxide is only 5% more than that for the water-CuO.
dc.language	English
dc.publisher	WORLD SCIENTIFIC PUBL CO PTE LTD
dc.relation.ispartof	International Journal of Modern Physics B
dc.relation.isbasedon	10.1142/S0217979224503454
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	01 Mathematical Sciences, 02 Physical Sciences
dc.subject.classification	General Physics
dc.subject.classification	49 Mathematical sciences
dc.subject.classification	51 Physical sciences
dc.title	Semi-analytical solution of nanofluid flow with convective and radiative heat transfer
dc.type	Journal Article
utslib.for	01 Mathematical Sciences
utslib.for	02 Physical Sciences
pubs.organisational-group	University of Technology Sydney
pubs.organisational-group	University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	University of Technology Sydney/Faculty of Engineering and Information Technology/School of Mechanical and Mechatronic Engineering
utslib.copyright.status	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2024-03-24T02:46:51Z
pubs.publication-status	Published

Abstract:

The application of nanofluids has exploded in recent decades to improve the local number, mean Nusselt number, and rate of heat transfer. However, boundary layer equations of nanofluid across a flat plate with radiation have not been studied, and therefore this paper studies them mathematically for the first time. For water-based copper and aluminum oxide nanofluids, a similarity solution is presented in this study, and the subsequent system of the ordinary differential equation (ODE) is numerically solved by the Runge-Kutta method in MATLAB. Two different hydraulic boundary conditions are used in the simulations. In the first, the flow across a moving plate and the direction of the flow are analyzed, while in the second, the flow over a nonlinearly moving plate in a still fluid is investigated. The nanoparticle's boundary layer thickness is found less than the thermal and hydraulics boundary layers. The local Nusselt number and friction factor of both the nanofluids are calculated and compared with the base fluid. The results demonstrate that the friction coefficient is high and the Nusselt number is low for nanoparticles with a high volume fraction. It also revealed that the friction factor for water-aluminum oxide is 16% greater than that for the water-CuO whereas the local Nusselt number for water-aluminum oxide is only 5% more than that for the water-CuO.

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http://hdl.handle.net/10453/177035