TRANSIENT HEAT TRANSFER IN PIPES WITH TIME PERIODICALLY CHANGING BOUNDARY CONDITION

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dc.contributor.authorAltun, Aziz Hakan
dc.contributor.authorAteş, Ali
dc.contributor.authorAtmaca, Ulaş
dc.contributor.authorKoçak, Saim
dc.contributor.authorBilir, Şefik
dc.date.accessioned2020-03-26T20:11:37Z
dc.date.available2020-03-26T20:11:37Z
dc.date.issued2018
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractTransient heat transfer in thermal entrance region of pipes with time periodically changing surface temperature is investigated. The problem is handled in a two-regional pipe for laminar, hydrodynamically developed flow by involving fluid axial conduction. The solution is made numerically by a finite-difference method. A parametric study is done to analyse the effects of Peclet number and angular frequency on heat transfer characteristics. The results show that, considerable amount of heat is diffused back towards the upstream region by axial fluid conduction, which causes preheating the fluid prior to the heated downstream region. The heat transfer characteristics, in all axial positions, including the preheated upstream and the fully developed region, are seen to change periodically in time, similar to the periodic change of the surface temperature in the downstream region.en_US
dc.identifier.endpage49en_US
dc.identifier.issn1300-3615en_US
dc.identifier.issue2en_US
dc.identifier.startpage39en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12395/37098
dc.identifier.volume38en_US
dc.identifier.wosWOS:000459361300004en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isotren_US
dc.publisherTURKISH SOC THERMAL SCIENCES TECHNOLOGYen_US
dc.relation.ispartofISI BILIMI VE TEKNIGI DERGISI-JOURNAL OF THERMAL SCIENCE AND TECHNOLOGYen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectFluid axial conductionen_US
dc.subjectTime periodically changing boundary conductionen_US
dc.subjectTransient heat transferen_US
dc.subjectLaminar flow heat transfer in pipeen_US
dc.titleTRANSIENT HEAT TRANSFER IN PIPES WITH TIME PERIODICALLY CHANGING BOUNDARY CONDITIONen_US
dc.typeArticleen_US

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