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Effects of inlet velocity profiles of hybrid nanofluid flow on mixed convection through a backward facing step channel under partial magnetic field

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dc.contributor.author Geridönmez, B. Pekmen
dc.contributor.author Öztop, Hakan F.
dc.date.accessioned 2021-08-13T12:47:45Z
dc.date.available 2021-08-13T12:47:45Z
dc.date.issued 2021-01-01
dc.identifier.issn 0301-0104
dc.identifier.uri https://doi.org/10.1016/j.chemphys.2020.111010
dc.identifier.uri http://hdl.handle.net/20.500.12485/769
dc.description.abstract In this paper, mixed convection flow of a hybrid nanofluid is numerically studied in a backward facing step channel in the presence of a uniform partial magnetic field. Four different inlet velocity profiles are also taken into account. Stream function-vorticity formulation of governing dimensionless equations is adopted. The radial basis function pseudo spectral method for spatial derivatives and the backward-Euler method for time derivatives are implemented on nonuniform grids for numerical simulation of the problem. The influence of Hartmann number (between 0 and 50), Richardson number (between 0.01 and 100), the center of partial magnetic field (between 1 and 3) and the solid nanoparticle concentrations (between 0.01 and 0.04) are numerically examined. The results reveal that the smallest convective heat transfer is achieved in the step-centered partial magnetic field. The increase in magnetite nanoparticles has a significant influence on convective heat transfer, particularly, in case of sinusoidal velocity profile. en_US
dc.language.iso en en_US
dc.publisher ELSEVIER en_US
dc.subject Partial magnetic field en_US
dc.subject Mixed convection en_US
dc.subject Radial basis functions en_US
dc.subject Hybrid nanofluid en_US
dc.subject Backward facing step en_US
dc.title Effects of inlet velocity profiles of hybrid nanofluid flow on mixed convection through a backward facing step channel under partial magnetic field en_US
dc.type Article en_US
dc.relation.journal CHEMICAL PHYSICS en_US
dc.identifier.volume 580 en_US


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