Thermal performance of Fe3O4/water nanofluid flow in a newly designed dimpled tube under the influence of non-uniform magnetic field

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dc.authoridARSLAN, Kamil/0000-0002-1216-6812
dc.authoridTekir, Mutlu/0000-0003-2289-7034
dc.contributor.authorAltunay, Fethi Murat
dc.contributor.authorPazarliog, Hayati Kadir
dc.contributor.authorGuerdal, Mehmet
dc.contributor.authorTekir, Mutlu
dc.contributor.authorArslan, Kamil
dc.contributor.authorGedik, Engin
dc.date.accessioned2024-09-29T15:57:22Z
dc.date.available2024-09-29T15:57:22Z
dc.date.issued2022
dc.departmentKarabük Üniversitesien_US
dc.description.abstractThe effects of alternating and constant magnetic fields on heat transfer characteristics of nanofluid flow in a dimpled tube have not been investigated either numerically or experimentally. In this context, the hydrothermal performance of Fe3O4/water (1.0 vol%) ferronanofluid flow in the dimpled tube (P/d = 3.75 and 11.25) has been examined under laminar flow regime (1131 <= Re <= 2102) in this experimental study. While the magnitudes of magnetic fields are 0.16 T, the alternating magnetic field is utilized with square wave type at frequencies of 1, 2, 5 Hz. It is concluded that the dimpled tube causes up to 78.4% increase in Nusselt number compared to the smooth tube, while up to 118.9% increase in Darcy friction factor. The constant magnetic field enhances the Nusselt number up to 4.04% compared to the absence of a magnetic field using ferronanofluid as a working fluid. Higher frequencies of the alternating magnetic field results in higher thermal performance. Alternating magnetic field effect with f = 5 Hz offers 37.3% Nusselt number enhancement compared to the constant magnetic field effect in all tube geometries. It was also seen that P/d = 11.25 gives the highest Performance Evaluation Criteria while the magnetic field effect decreases it in all tube geometries.en_US
dc.description.sponsorshipCoordinatorship of Resarch Projects in Karabuk University [KB?BAP-FDK-2020-2333]en_US
dc.description.sponsorshipAcknowledgements Thanks for the support of the Coordinatorship of Resarch Projects in Karabuk University (Funding No. KB?BAP-FDK-2020-2333) .en_US
dc.identifier.doi10.1016/j.ijthermalsci.2022.107651
dc.identifier.issn1290-0729
dc.identifier.issn1778-4166
dc.identifier.scopus2-s2.0-85129853433en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.ijthermalsci.2022.107651
dc.identifier.urihttps://hdl.handle.net/20.500.14619/4770
dc.identifier.volume179en_US
dc.identifier.wosWOS:000800358600004en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier France-Editions Scientifiques Medicales Elsevieren_US
dc.relation.ispartofInternational Journal of Thermal Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAlternating magnetic fielden_US
dc.subjectConstant magnetic fielden_US
dc.subjectFerronanofluiden_US
dc.subjectForced convectionen_US
dc.subjectDimpled tubeen_US
dc.titleThermal performance of Fe3O4/water nanofluid flow in a newly designed dimpled tube under the influence of non-uniform magnetic fielden_US
dc.typeArticleen_US

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