Experimental determination of cooling performance on heat sinks with cone-jet electrospray mode

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dc.authorid0000-0002-3049-9493en_US
dc.contributor.authorKabakuş, Absüssamed
dc.contributor.authorYakut, Kenan
dc.contributor.authorÖzakın, Ahmet Numan
dc.contributor.authorYakut, Rıdvan
dc.date.accessioned2021-04-29T12:41:06Z
dc.date.available2021-04-29T12:41:06Z
dc.date.issued2021
dc.departmentAÇÜ, Mühendislik Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.descriptionThis study was funded by Ataturk University Coordination Unit of Scientific Research Projects under grant no FBA-2018-6965.en_US
dc.description.abstractIn this study, electrospray cooling characteristics for smooth surface heat sink and finned surface heat sink were investigated. An experimental study was carried out using ethanol for 7 different heat fluxes in the cone-jet mode, in which a stable and continuous droplet diameter is produced. In the experiments, 7 kV voltage, 20 mm nozzle-to-substrate distance, a stainless steel nozzle with 0.61 mm inner diameter (d(i)) and 0.45-0.60 ml/min flow rates were used. Due to that the two flow rate values are very close to each other, no difference in the formation of electrospray was observed, but since the amount of fluid sent to the heat sink is higher, at 0.60 ml/min flow rate, 15-44% better a cooling was achieved under different heat fluxes compared to 0.45 ml/min flow rate. In addition, finned heat sink applied for the first time in electrospray cooling provided approximately 1.3-1.6 times better cooling than smooth surface heat sink. The effect of electrospray dripping on cooling in a finned heat sink is expressed by enhancement ratio (ER). Additionally, the change in fin enhancement ratio (FER), which denotes the enhancement of cooling in finned heat sink in comparison to that in finless heat sink, was scrutinized at different surface temperatures. As a result, as a distinction from the studies on improving heat transfer with electrospray cooling, it was suggested that finned surface heat sinks, which were not used before, can be used as an effective parameter to further enhance the heat transfer.
dc.identifier.citationKabakuş, A., Yakut, K., Özakın, A. N., & Yakut, R. (2021). Experimental determination of cooling performance on heat sinks with cone-jet electrospray mode. Engineering Science and Technology, an International Journal, 24(3), 665-670.en_US
dc.identifier.doi10.1016/j.jestch.2020.11.004
dc.identifier.endpage670en_US
dc.identifier.issue3en_US
dc.identifier.scopusqualityQ1
dc.identifier.startpage665en_US
dc.identifier.urihttps://hdl.handle.net/11494/3185
dc.identifier.volume24en_US
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKabakuş, Absüssamed
dc.language.isoenen_US
dc.publisherElsevier - Division Reed Elsevier India Pvt Ltden_US
dc.relation.ispartofEngineering Science and Technology, an International Journal
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectElectrospray coolingen_US
dc.subjectHeat sinken_US
dc.subjectEnhancement ratioen_US
dc.subjectFin enhancement ratioen_US
dc.subjectCone-jet mode of ethanolen_US
dc.titleExperimental determination of cooling performance on heat sinks with cone-jet electrospray modeen_US
dc.typeArticle

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