Experimental study on the heat transfer enhancement in a rectangular channel with curved winglets

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dc.contributor.authorBerber, Adnan
dc.contributor.authorGurdal, Mehmet
dc.contributor.authorYetimoglu, Muhammed
dc.date.accessioned2024-02-23T14:20:16Z
dc.date.available2024-02-23T14:20:16Z
dc.date.issued2022
dc.departmentNEÜen_US
dc.description.abstractEffects of the curved winglet vortex generator inserts (CWVGs) on the forced convection heat transfer, friction factor, and performance evaluation criteria (PEC) interior flow were experimentally examined in this work. The CWVGs manufactured in CNC from aluminum 6061 material were used as the expanded finned surface with different attack angles (alpha) of 0 degrees, 30 degrees, and 60 degrees. In the study, air was used as the fluid. The experiments were realized in the Reynolds number ranging from 6000 to 20000. The results showed that the CWVG insert in a rectangular channel ensured significantly higher Nusselt number than that of the channel without the insert through friction factor that was also increased. The Nusselt number and friction factor increased with the increase in the attack angle (alpha) of CWVG insert. The heat transfer enhancement by the CWVGs with attack angle of 0 degrees, 30 degrees, and 60 degrees ensured higher than that of the plain tube in the range of 217.39-291.30%, 260.86-465.21%, and 278.26-476.08%, respectively. The friction factors in the inner rectangular channel produced by the CWVGs with attack angle of 0 degrees, 30 degrees and 60 degrees, were about 8.93-10.33, 10.66-14.16, and 14.96-19.13 times above the plain tube, respectively. The performance evaluation criteria (PEC) for CWVGs with attack angle of 0 degrees, 30 degrees, and 60 degrees were in the range of 1.22-1.78, 1.28-1.86, and 1.32-1.89, respectively.en_US
dc.identifier.doi10.1080/08916152.2021.1951897
dc.identifier.endpage817en_US
dc.identifier.issn0891-6152
dc.identifier.issn1521-0480
dc.identifier.issue6en_US
dc.identifier.scopus2-s2.0-85110751602en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage797en_US
dc.identifier.urihttps://doi.org/10.1080/08916152.2021.1951897
dc.identifier.urihttps://hdl.handle.net/20.500.12452/13098
dc.identifier.volume35en_US
dc.identifier.wosWOS:000673102100001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherTaylor & Francis Incen_US
dc.relation.ispartofExperimental Heat Transferen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectWingleten_US
dc.subjectHeat Transferen_US
dc.subjectTurbulenten_US
dc.subjectAirflowen_US
dc.subjectRectangular Channelen_US
dc.titleExperimental study on the heat transfer enhancement in a rectangular channel with curved wingletsen_US
dc.typeArticleen_US

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