Effect of heaters' clearance on mixed convection cooling performance in a dicretely heated horizontal duct

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dc.authoridBirinci, Soner/0000-0002-6668-5490
dc.authoridSARPER, BUGRA/0000-0001-7554-6575
dc.authoridAYDIN, ORHAN/0000-0002-2492-8212
dc.contributor.authorBirinci, Soner
dc.contributor.authorSaglam, Mehmet
dc.contributor.authorSarper, Bugra
dc.contributor.authorAydin, Orhan
dc.date.accessioned2025-03-17T12:27:07Z
dc.date.available2025-03-17T12:27:07Z
dc.date.issued2021
dc.departmentTarsus Üniversitesi
dc.description.abstractIn this paper, effect of the heaters' clearance on mixed convective cooling performance in a discretely heated horizontal duct is examined. Tests are carried out for a constant value of the modified Grashof number (Gr*(Dh) = 1.15 x 10(7)), and for Reynolds numbers (Re-Dh) between 792 and 3,962. In the analysis, surface to surface radiation and wall conduction are coupled with convective heat transfer. Experiments involve measurements of surface temperatures and air velocity while ANSYS Fluent is used to conduct numerical simulations. Variations of the local surface temperatures, hot spot temperature, global conductance (C) and effective Nusselt number (Nu(eff)) with Reynolds number (Re-Dh) are presented. Finally, it is disclosed that up to 10.77% reduction in the hot spot temperature and an improvement of up to 20.84% in the system's global conductance can be achieved with an increase in the clearance.
dc.identifier.doi10.1016/j.ijthermalsci.2021.106859
dc.identifier.issn1290-0729
dc.identifier.issn1778-4166
dc.identifier.scopus2-s2.0-85100424985
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.ijthermalsci.2021.106859
dc.identifier.urihttps://hdl.handle.net/20.500.13099/2086
dc.identifier.volume163
dc.identifier.wosWOS:000620819700004
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier France-Editions Scientifiques Medicales Elsevier
dc.relation.ispartofInternational Journal of Thermal Sciences
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250316
dc.subjectMixed convection
dc.subjectHorizontal duct
dc.subjectClearance
dc.subjectGlobal conductance
dc.subjectEffective Nusselt number
dc.titleEffect of heaters' clearance on mixed convection cooling performance in a dicretely heated horizontal duct
dc.typeArticle

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