Experimental investigation of convective heat transfer on a flat plate subjected to a transversely synthetic jet

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dc.authoridOzkul, iskender -- 0000-0003-4255-0564; Akdag, Unal -- 0000-0002-1149-7425
dc.contributor.authorAkdağ, Ünal
dc.contributor.authorÇetin, Özden
dc.contributor.authorDemiral, Doğan
dc.contributor.authorÖzkul, İskender
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-29T19:27:28Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-29T19:27:28Z
dc.date.issued2013
dc.departmentMühendislik Fakültesi
dc.description.abstractIn this study, the effect of a synthetic jet on the heat transfer of flow over a flat plate is investigated experimentally. The experimental study is consist of a heater made of copper plate having constant heat flux located in the wind tunnel, and including a synthetic jet actuator injected into the stream by the entrance of plate. The synthetic jet is created by a piston-cylinder mechanism. In the investigations, the Reynolds number in the main stream, the frequency and amplitude of the actuator are changed while the geometry and Prandtl number remain constant for all cases and the effect of these parameters on the convective heat transfer is analyzed. The experiments are carried out at six different frequencies and four different amplitudes. To explain the heat transfer mechanism, the flow visualization is performed by using the smoke-wire method, and the instantaneous flow images are obtained. The experimental results reveal that there is a disruptive effect on the hydrodynamic boundary layer of the synthetic jet actuator. The obtained results are given as dimensionless parameters. It is observed that, the cycle-averaged Nusselt number increases with the increase of both Womersley number (Wo) and dimensionless amplitude (A(o)). (C) 2013 Elsevier Ltd. All rights reserved.
dc.description.sponsorshipScientific and Technological Research Council of Turkey-TUBITAK [112M014]
dc.description.sponsorshipThe authors gratefully acknowledge the financial support for this study from the Scientific and Technological Research Council of Turkey-TUBITAK, (Grant Number: 112M014).
dc.identifier.doi10.1016/j.icheatmasstransfer.2013.08.020
dc.identifier.endpage103en_US
dc.identifier.issn0735-1933
dc.identifier.issn1879-0178
dc.identifier.scopusqualityQ1
dc.identifier.startpage96en_US
dc.identifier.urihttps://doi.org/10.1016/j.icheatmasstransfer.2013.08.020
dc.identifier.urihttps://hdl.handle.net/20.500.12451/5871
dc.identifier.volume49en_US
dc.identifier.wosWOS:000329560500014
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofInternational Communications in Heat and Mass Transfer
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectSynthetic Jet
dc.subjectSurface Cooling
dc.subjectFlat Plate
dc.subjectHeat Transfer Enhancement
dc.titleExperimental investigation of convective heat transfer on a flat plate subjected to a transversely synthetic jet
dc.typeArticle

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