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dc.contributor.authorÇalışkan, Sinan
dc.contributor.authorBaşkaya, Şenol
dc.contributor.authorÇalışır, Temel
dc.date.accessioned2019-05-10T09:38:52Z
dc.date.available2019-05-10T09:38:52Z
dc.date.issued2014
dc.identifier.citationCaliskan, S., Baskaya, S., Calisir, T. (2014). Experimental and numerical investigation of geometry effects on multiple impinging air jets. International Journal of Heat and Mass Transfer, 75, 685-703.en_US
dc.identifier.issn0017-9310
dc.identifier.urihttps://doi.org/10.1016/j.ijheatmasstransfer.2014.04.005
dc.identifier.urihttps://hdl.handle.net/11491/520
dc.description.abstractThe effect of jet geometry on the flow and the heat transfer characteristics was investigated experimentally and numerically for elliptic and rectangular impinging jet arrays. Detailed heat transfer measurements over a smooth surface by elliptic and rectangular impinging jet arrays were obtained using thermal infrared camera. Velocity measurements were performed with a Laser-Doppler Anemometry (LDA) system. The aspect ratios (AR) of elliptic and rectangular jets for 1.0, 2.0 and 0.5, jet Reynolds numbers ranging from 2000 to 10,000, and jet-to-target spacings ranging from 2 to 10 were considered to investigate impingement heat transfer performance. The Nusselt numbers for the elliptic jets in the impingement regions were larger than that for a circular jet. This may be caused by the large entrainment rate and large scale coherent structure of the elliptic jet. Best heat transfer performance was obtained with the elliptic jet arrangements. Correlations have been developed for the average Nusselt numbers for elliptic and rectangular jet geometries. Additionally, simulations have been performed and velocity distributions were obtained. Axial, radial velocity distributions and turbulent kinetic energy distributions have been calculated. © 2014 Elsevier Ltd. All rights reserved.en_US
dc.language.isoeng
dc.publisherElsevier Ltden_US
dc.relation.isversionof10.1016/j.ijheatmasstransfer.2014.04.005en_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCFDen_US
dc.subjectLocal Heat Transferen_US
dc.subjectMultiple Impinging Jetsen_US
dc.subjectShape of The Nozzleen_US
dc.titleExperimental and numerical investigation of geometry effects on multiple impinging air jetsen_US
dc.typearticleen_US
dc.relation.journalInternational Journal of Heat and Mass Transferen_US
dc.departmentHitit Üniversitesi, Mühendislik Fakültesi, Makine Mühendisliği Bölümüen_US
dc.authorid0000-0002-7753-0355en_US
dc.identifier.volume75en_US
dc.identifier.startpage685en_US
dc.identifier.endpage703en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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