Numerical investigation on turbulent convective heat transfer of nanofluid flow in a square cross-sectioned duct

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dc.authoridKaya, Metin/0000-0001-8524-6250
dc.contributor.authorSenay, Guelbanu
dc.contributor.authorKaya, Metin
dc.contributor.authorGedik, Engin
dc.contributor.authorKayfeci, Muhammet
dc.date.accessioned2024-09-29T16:03:23Z
dc.date.available2024-09-29T16:03:23Z
dc.date.issued2019
dc.departmentKarabük Üniversitesien_US
dc.description.abstractPurpose The purpose of this study is to numerically investigate the heat transfer enhancement by using two different nanofluids flow throughout the square duct under a constant heat flux (500x10(3) W/m(2)). Design/methodology/approach In numerical computations, ANSYS Fluent code based on the finite volume method was used to solve governing equations by iteratively. Water, Al2O3-water and TiO2-water nanofluids were used for different flow velocities changing 1 m/s to 8 m/s (i.e. Reynolds number varying from 3,000 to 100,000). Findings The results were compared with results published previously in the literature and close agreement was observed especially considering Dittus and Boelter correlation for water. It was found that from the obtained results, increasing flow velocity and volume fractions of nanoparticles has caused to increase Nu number for all cases. Besides, variations of pressure drop, Darcy friction factor are presented graphically and discussed in detail. The results are consistent with a deviation of 1.3 to 15 per cent with the results of other researchers. Originality/value The effects of the Re numbers and volume fractions of nanoparticles (0.01 <= Phi <= 0.04) on the heat transfer and fluid flow characteristics such as average Nu number, pressure drop (Delta P) and Darcy friction factor (f) were investigated.en_US
dc.identifier.doi10.1108/HFF-06-2018-0260
dc.identifier.endpage1447en_US
dc.identifier.issn0961-5539
dc.identifier.issn1758-6585
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-85059504440en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1432en_US
dc.identifier.urihttps://doi.org/10.1108/HFF-06-2018-0260
dc.identifier.urihttps://hdl.handle.net/20.500.14619/6049
dc.identifier.volume29en_US
dc.identifier.wosWOS:000482282000012en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherEmerald Group Publishing Ltden_US
dc.relation.ispartofInternational Journal of Numerical Methods For Heat & Fluid Flowen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCFDen_US
dc.subjectTurbulent flowen_US
dc.subjectForced convectionen_US
dc.subjectNanofluidsen_US
dc.subjectSquare ducten_US
dc.titleNumerical investigation on turbulent convective heat transfer of nanofluid flow in a square cross-sectioned ducten_US
dc.typeArticleen_US

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