Numerical Investigation of Magnetohydrodynamic Forced Convection and Entropy Production of Ferrofluid Around a Confined Cylinder Using Wire Magnetic Sources

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dc.authoridhttps://orcid.org/0000-0001-5142-3116en_US
dc.authoridhttps://orcid.org/0000-0003-4764-747Xen_US
dc.authoridhttps://orcid.org/0000-0003-0671-0890en_US
dc.authorscopusid57211920817en_US
dc.authorscopusid57221233576en_US
dc.authorscopusid57200081427en_US
dc.authorscopusid7103170408en_US
dc.authorwosidHHN-9054-2022en_US
dc.authorwosidAAC-2309-2019en_US
dc.authorwosidA-1445-2016en_US
dc.authorwosidT-1416-2018en_US
dc.contributor.authorTumse, Sergen
dc.contributor.authorZontul, Hakan
dc.contributor.authorHamzah, Hudhaifa
dc.contributor.authorSahin, Besir
dc.date.accessioned2023-11-22T10:29:03Z
dc.date.available2023-11-22T10:29:03Z
dc.date.issued2022en_US
dc.departmentFakülteler, Havacılık ve Uzay Bilimleri Fakültesi, Havacılık ve Uzay Mühendisliği Bölümüen_US
dc.description.abstractThe current study numerically explored the hydrothermal flow and entropy generation properties of ferrofluid (water and Fe3O4) on a cylindrical body in the rectangular channel subjected to the non-uniform magnetic field going through current carrying wires. The effect of various parameters, such as ferrofluid volume fraction, phi the strength of the non-uniform magnetic field, Ha, and Reynolds number, Re, on the flow characteristics, and forced convection heat transfer, is investigated using finite-volume-based Ansys Fluent 20. Obtained results demonstrate that the applied magnetic field shortens the length of recirculating wake downstream of the cylinder at Re = 25 and makes unsteady flow with alternate vortex shedding as time-independent steady flow for Hartmann numbers greater than Ha >= 6 at Re = 100. At Re = 50, the total drag coefficient, C-D, gets higher by almost 20% when Ha increases from Ha = 0 to Ha = 6 and subsequently grows by 61% at Ha = 10. The findings show that the average Nusselt number, Nu(avg), demonstrates monotonic behavior with the Ha and it augments when the strength of the non-uniform magnetic field increases. The Nu(avg) improvement is in the vicinity of 11.71% at Ha = 10 and 23.26% at Ha = 18 for Re = 25. The maximum value of entropy generation reduces, S-L, when the non-uniform magnetic field is applied. Moreover, increasing the Hartmann number, Ha influences the high levels region of entropy production by relatively extending this zone towards the downstream of the channel and covering more area around the cylinder. According to the outcomes of numerical simulation, there is an increase in Nu(avg) with 3.98% and 3.88% for Ha = 2 and 18, respectively, when the ferrofluid volume fraction rises from phi = 0% to phi = 4% at Re = 25. Finally, the optimum thermal performance criterion, xi, is obtained at Re = 150 for Ha = 0 and phi = 4%.en_US
dc.identifier.citationTumse, S., Zontul, H., Hamzah, H. ve Şahin, B. (2022). Numerical Investigation of Magnetohydrodynamic Forced Convection and Entropy Production of Ferrofluid Around a Confined Cylinder Using Wire Magnetic Sources. Arabian Journal for Science and Engineering.en_US
dc.identifier.doihttps://doi.org/10.1007/s13369-022-07470-5en_US
dc.identifier.endpage11620en_US
dc.identifier.issn2191-4281
dc.identifier.issue48en_US
dc.identifier.scopus2-s2.0-85143645719en_US
dc.identifier.startpage11591en_US
dc.identifier.uri10.1007/s13369-022-07470-5
dc.identifier.urihttps://hdl.handle.net/20.500.13099/182
dc.identifier.wosWOS:000898453000004en_US
dc.identifier.wosqualityQ2en_US
dc.institutionauthorZontul, Hakan
dc.language.isoengen_US
dc.publisherSpringeren_US
dc.relation.ispartofArabian Journal for Science and Engineeringen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectConfined cylinderen_US
dc.subjectEntropy generationen_US
dc.subjectForced convectionen_US
dc.subjectNon-uniform magnetic fielden_US
dc.subjectNusselt numberen_US
dc.titleNumerical Investigation of Magnetohydrodynamic Forced Convection and Entropy Production of Ferrofluid Around a Confined Cylinder Using Wire Magnetic Sourcesen_US
dc.typearticleen_US

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