Effect of using graphene/water based nanofluid on heat transfer in heat exchangers with rotating straight inner tube

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dc.authoridKOCA, Tarkan/0000-0002-6881-4153
dc.authorwosidKOCA, Tarkan/ABH-4304-2020
dc.contributor.authorKoca, T.
dc.date.accessioned2024-08-04T20:49:23Z
dc.date.available2024-08-04T20:49:23Z
dc.date.issued2021
dc.departmentİnönü Üniversitesien_US
dc.description.abstractIn this research, the effect of nano fluids including graphite and water on the heat transfer enhancement in heat Exchangers with both straight and rotational inner tube were examined Nanofluids including graphite and water were obtained at 0.01, 0.02 and 0.03 %volume concentrations by means of pure water as a base fluid. The aim of the study is to experimentally investigate and compare the influence of straight inner tube on the performance of a double tube heat exchanger at different flow rates, different capacity ratios (0.25, 0.5, 0.75, 1), different rotation rates (0 RPM, 100 RPM, 150 RPM, 200 RPM, 300 RPM, 500 RPM and 750 RPM) and by using nanofluid including graphite and water volume at values of 0.01, 0.02, 0.03 %. In the experiments the flow is turbulent. In order to determine the heat transfer enhancement, the experimental datas were compared for pure water and nano-fluids. According to the results, Nusselt number, pressure lost efficiency of heat exchanger were gauge. By the results achieved from experiments, correlations for Nusselt number have been reproduce and experimental data have been compared with ones in the literature by drawing graphics. The experiment that provides the best increase in heat transfer is the nanofluid including 0.02% volume concentrations of graphene/water at 500RPM speed.en_US
dc.identifier.doi10.1515/KERN-2020-0039
dc.identifier.endpage63en_US
dc.identifier.issn0932-3902
dc.identifier.issn2195-8580
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85102551875en_US
dc.identifier.scopusqualityQ4en_US
dc.identifier.startpage50en_US
dc.identifier.urihttps://doi.org/10.1515/KERN-2020-0039
dc.identifier.urihttps://hdl.handle.net/11616/99816
dc.identifier.volume86en_US
dc.identifier.wosWOS:000635573400007en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWalter De Gruyter Gmbhen_US
dc.relation.ispartofKerntechniken_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subject[No Keywords]en_US
dc.titleEffect of using graphene/water based nanofluid on heat transfer in heat exchangers with rotating straight inner tubeen_US
dc.typeArticleen_US

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