Performance and entropy production analysis of angle blade turbulators used to increase heat transfer

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dc.authoridfırat, ilker/0000-0003-1835-2285
dc.authoridYILDIRIM, Orhan/0000-0001-8780-1297
dc.authorwosidfırat, ilker/A-4631-2019
dc.authorwosidYILDIRIM, Orhan/AAX-2074-2021
dc.contributor.authorFirat, Ilker
dc.contributor.authorKaragoz, Sendogan
dc.contributor.authorYildirim, Orhan
dc.contributor.authorYilmaz, Mehmet
dc.date.accessioned2024-08-04T20:53:43Z
dc.date.available2024-08-04T20:53:43Z
dc.date.issued2023
dc.departmentİnönü Üniversitesien_US
dc.description.abstractIn this study, the effects on thermal performance and entropy production of new type turbulators with different blade angles and numbers, which are placed in a circular shaped pipe and manufactured in a 3D printer, were investigated experimentally. According to the experiments performed in the Reynolds number (Re) range of 7007-13,982, the Nusselt numbers of the 60 degrees, 70 degrees and 80 degrees fin angle turbulators are, respectively, compared to the supported plain pipe; increased by 82.09%, 98% and 105.83%. Due to the increase in the blade angle, the maximum thermal performance was obtained as 1.542 for the 80 degrees blade angle turbulator for Re = 12,538. The thermal performance factors of the 80 degrees and 70 degrees blade angle turbulators were found to be 1.048 and 1.039 times higher than the 60 degrees blade angle turbulators, respectively. It was determined that the thermal improvement factor of the 80 degrees blade angle turbulator is 1.008 times higher than the 70 degrees blade angle turbulator. In terms of the second law, the maximum entropy production increase of the finned turbulators compared to the supported plain pipe was 153.96% at Re = 8387, in 3 turbulators with 80 degrees fin angles. It has been determined that 1 turbulator model with 60 degrees blade angles is more advantageous compared to the turbulators with 70 degrees and 80 degrees blade angles, since it produces the lowest entropy. In addition, it has been concluded that the most suitable turbulator model in terms of thermal performance is 3 turbulators with 80 degrees blade angles.en_US
dc.identifier.doi10.1007/s10973-023-12253-7
dc.identifier.endpage7828en_US
dc.identifier.issn1388-6150
dc.identifier.issn1588-2926
dc.identifier.issue15en_US
dc.identifier.scopus2-s2.0-85159716742en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage7811en_US
dc.identifier.urihttps://doi.org/10.1007/s10973-023-12253-7
dc.identifier.urihttps://hdl.handle.net/11616/101361
dc.identifier.volume148en_US
dc.identifier.wosWOS:000993013400001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of Thermal Analysis and Calorimetryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectHeat transferen_US
dc.subjectEntropyen_US
dc.subjectTurbulatoren_US
dc.subjectThermal performanceen_US
dc.subjectFriction factoren_US
dc.titlePerformance and entropy production analysis of angle blade turbulators used to increase heat transferen_US
dc.typeArticleen_US

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