Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/7161
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dc.contributor.authorSert, İsmail Ozan-
dc.contributor.authorUzol, Nilay Sezer-
dc.contributor.authorKakaç, Sadık-
dc.date.accessioned2021-09-11T15:55:50Z-
dc.date.available2021-09-11T15:55:50Z-
dc.date.issued2013en_US
dc.identifier.issn0947-7411-
dc.identifier.issn1432-1181-
dc.identifier.urihttps://doi.org/10.1007/s00231-013-1184-1-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/7161-
dc.description.abstractIn this study, forced convection heat transfer characteristics of nanofluids are investigated by numerical analysis of incompressible transient laminar flow in a circular duct under step change in wall temperature and wall heat flux. The thermal responses of the system are obtained by solving energy equation under both transient and steady-state conditions for hydro-dynamically fully-developed flow. In the analyses, temperature dependent thermo-physical properties are also considered. In the numerical analysis, Al2O3/water nanofluid is assumed as a homogenous single-phase fluid. For the effective thermal conductivity of nanofluids, Hamilton-Crosser model is used together with a model for Brownian motion in the analysis which takes the effects of temperature and the particle diameter into account. Temperature distributions across the tube for a step jump of wall temperature and also wall heat flux are obtained for various times during the transient calculations at a given location for a constant value of Peclet number and a particle diameter. Variations of thermal conductivity in turn, heat transfer enhancement is obtained at various times as a function of nanoparticle volume fractions, at a given nanoparticle diameter and Peclet number. The results are given under transient and steady-state conditions; steady-state conditions are obtained at larger times and enhancements are found by comparison to the base fluid heat transfer coefficient under the same conditions.en_US
dc.description.sponsorshipThe Scientific and Technological Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [110M057]en_US
dc.description.sponsorshipThis work was supported by The Scientific and Technological Research Council of Turkey (TUBITAK) under grant numbered 110M057.en_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofHeat And Mass Transferen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subject[No Keywords]en_US
dc.titleNumerical Analysis of Transient Laminar Forced Convection of Nanofluids in Circular Ductsen_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Mechanical Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Makine Mühendisliği Bölümütr_TR
dc.identifier.volume49en_US
dc.identifier.issue10en_US
dc.identifier.startpage1405en_US
dc.identifier.endpage1417en_US
dc.identifier.wosWOS:000324247300004en_US
dc.identifier.scopus2-s2.0-84887510294en_US
dc.institutionauthorKakaç, Sadık-
dc.identifier.doi10.1007/s00231-013-1184-1-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ1-
item.openairetypeArticle-
item.languageiso639-1en-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
crisitem.author.dept02.7. Department of Mechanical Engineering-
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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