Experimental investigation of convective heat transfer performance and hydrodynamics of pulsating flow through the rectangular grooved channel

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dc.authoridhttps://orcid.org/0000-0001-5142-3116en_US
dc.authoridhttps://orcid.org/0000-0003-0671-0890en_US
dc.authorscopusid57211920817en_US
dc.authorscopusid7103170408en_US
dc.authorwosidHHN-9054-2022en_US
dc.authorwosidA-1445-2016en_US
dc.contributor.authorZontul, Harun
dc.contributor.authorŞahin, Besir
dc.date.accessioned2023-10-30T10:53:48Z
dc.date.available2023-10-30T10:53:48Z
dc.date.issued2023en_US
dc.departmentFakülteler, Havacılık ve Uzay Bilimleri Fakültesi, Havacılık ve Uzay Mühendisliği Bölümüen_US
dc.description.abstractThis study presents hydrodynamics and heat transfer of steady and pulsating flow in a rectangular grooved channel for the Reynolds number and pulsation frequency ranges of 2x103 ≤ Re ≤ 6.5x103 and 0 ≤ F ≤ 5 (Hz) respectively. The Particle Image Velocimetry (PIV) method is employed for hydrodynamic investigation. Streamlines, velocity vectors, and vorticity contours are drawn to reveal massive flow motions and flow patterns. Flow pulsation significantly empowers the penetration of mainstream into the groove section; however, pulsation frequency has an important effect on this phenomenon. Moreover, Reynolds stress and root mean square of the fluctuations are presented to document turbulence statistics. In the heat transfer experiments, the positive effects of the improvement of the groove mainstream interaction and an increase in the mixing are observed. Heat transfer enhancement and pressure drop trade-off are considered by calculating the thermal performance factor. Pulsating flow remarkably augments the heat transfer from the grooved channel. However, the enhancement ability of the pulsating flow strongly depends on its frequency, F, and the value of the Reynolds number. Pulsating flow is a more effective method in low Reynolds numbers.en_US
dc.identifier.citationZontul, H. ve Şahin, B. (2023). Experimental investigation of convective heat transfer performance and hydrodynamics of pulsating flow through the rectangular grooved channel, Experimental Thermal and Fluid Science,141.en_US
dc.identifier.doihttps://doi.org/10.1016/j.expthermflusci.2022.110796en_US
dc.identifier.endpage21en_US
dc.identifier.issn1879-2286
dc.identifier.scopus2-s2.0-85141999099en_US
dc.identifier.startpage1en_US
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0894177722001923
dc.identifier.urihttps://hdl.handle.net/20.500.13099/181
dc.identifier.volume141en_US
dc.identifier.wosWOS:000892302500001en_US
dc.identifier.wosqualityQ2en_US
dc.institutionauthorZontul, Harun
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.relation.ispartofExperimental Thermal and Fluid Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHeat transferen_US
dc.subjectGrooved channelen_US
dc.subjectPIVen_US
dc.subjectPulsating flowen_US
dc.subjectEconomic and social effectsen_US
dc.subjectHeat convectionen_US
dc.subjectHeat transfer coefficientsen_US
dc.subjectReynolds numberen_US
dc.subjectVelocity measurementen_US
dc.subjectConvective heat transferen_US
dc.subjectExperimental investigationsen_US
dc.subjectGrooved channelen_US
dc.subjectHeat transfer performanceen_US
dc.subjectImage velocimetryen_US
dc.subjectParticle image velocimetryen_US
dc.subjectParticle imagesen_US
dc.subjectPulsating flowen_US
dc.subjectPulsation frequencyen_US
dc.subjectReynold numberen_US
dc.subjectHydrodynamicsen_US
dc.subjecttransfer enhancementnumericalen_US
dc.titleExperimental investigation of convective heat transfer performance and hydrodynamics of pulsating flow through the rectangular grooved channelen_US
dc.typearticleen_US

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