ENTROPY GENERATION ANALYSIS OF FORCED CONVECTION FLOW IN A SEMICIRCULAR MICROCHANNEL WITH TiO2/WATER NANOFLUID

dc.authoridEkiciler, Recep/0000-0003-1367-9465
dc.authoridARSLAN, Kamil/0000-0002-1216-6812
dc.authoridKaya, Huseyin/0000-0003-0575-0161
dc.contributor.authorKaya, H.
dc.contributor.authorEkiciler, R.
dc.contributor.authorArslan, K.
dc.date.accessioned2024-09-29T16:06:24Z
dc.date.available2024-09-29T16:06:24Z
dc.date.issued2019
dc.departmentKarabük Üniversitesien_US
dc.description.abstractIn this study, entropy generation caused by heat transfer and friction of forced convection flow in a semicircular cross-sectioned microchannel with TiO2/water nanofluid was numerically analyzed. The volume concentrations of the nanofluid were taken 1.0%, 2.0%, 3.0%, and 4.0%. Local and total entropy generation due to the heat transfer and friction were calculated for the microchannel. A three-dimensional analysis was simulated under steady-state laminar flow conditions with Reynolds number varying from 100 to 1000. The results of the simulation were obtained using the CFD code. The flow was considered as hydrodynamically fully developed under thermally developing conditions. A uniform heat flux boundary condition was applied at the bottom surface of the microchannel. According to the results of the numerical study, the effect of the nanofluid volume concentration and fluid velocity on entropy generation was evaluated. The findings show that the total and friction values of entropy generation increase with increasing flow velocity, while heat transfer entropy generation values decrease since nanofluids improve the heat transfer capability. Also, the results indicate that an increase in the volume concentration of the nanofluid causes friction entropy generation enhancement while heat transfer entropy generation decreases in all cases.en_US
dc.identifier.doi10.1615/HeatTransRes.2018025888
dc.identifier.endpage348en_US
dc.identifier.issn1064-2285
dc.identifier.issn2162-6561
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-85065014093en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage335en_US
dc.identifier.urihttps://doi.org/10.1615/HeatTransRes.2018025888
dc.identifier.urihttps://hdl.handle.net/20.500.14619/6820
dc.identifier.volume50en_US
dc.identifier.wosWOS:000455854800002en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherBegell House Incen_US
dc.relation.ispartofHeat Transfer Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectforced convectionen_US
dc.subjectlocal entropy generationen_US
dc.subjectnanofluiden_US
dc.subjectmicrochannelen_US
dc.subjectBejan numberen_US
dc.titleENTROPY GENERATION ANALYSIS OF FORCED CONVECTION FLOW IN A SEMICIRCULAR MICROCHANNEL WITH TiO2/WATER NANOFLUIDen_US
dc.typeArticleen_US

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