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Free Convective Heat Transfer in a Closed Gap between Concentric Semi-Hemispheres

dc.contributor.authorBaïri, Abderrahmane
dc.contributor.authorAlilat, Nacim
dc.contributor.authorMartín Garín, Alexander
dc.contributor.authorAdeyeye, Kemi
dc.contributor.authorMillán García, José Antonio
dc.contributor.authorRoseiro, Luis
dc.date.accessioned2021-12-01T12:28:09Z
dc.date.available2021-12-01T12:28:09Z
dc.date.issued2021-11-09
dc.identifier.citationEnergies 14(22) : (2021) // Article ID 7479es_ES
dc.identifier.issn1996-1073
dc.identifier.urihttp://hdl.handle.net/10810/54253
dc.description.abstractFree convective heat transfer in the closed gap between concentric semi-hemispheres is quantified by means of a numerical approach based on the volume control method using the SIMPLE algorithm. The average Nusselt number is determined for several configurations obtained by varying the cavity’s aspect ratio between 0.15 and 1.5, while the Rayleigh number varies within the 5.33 × 103–4.50 × 108 range. The results show that the correlations available in the literature dealing with concentric whole spheres cannot be used for the configuration treated here. The new correlation between the Nusselt and Rayleigh numbers proposed in this work can be applied in various engineering sectors, such as in the electronic packaging considered in this present work, buildings, and architecture.es_ES
dc.language.isoenges_ES
dc.publisherMDPIes_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/
dc.subjectnatural convectiones_ES
dc.subjectelectronic packaginges_ES
dc.subjectnumerical approaches_ES
dc.subjectconcentric semi-hemisphereses_ES
dc.subjectbuildingses_ES
dc.subjectarchitecturees_ES
dc.titleFree Convective Heat Transfer in a Closed Gap between Concentric Semi-Hemisphereses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.date.updated2021-11-25T16:00:26Z
dc.rights.holder2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).es_ES
dc.relation.publisherversionhttps://www.mdpi.com/1996-1073/14/22/7479/htmes_ES
dc.identifier.doi10.3390/en14227479
dc.departamentoesArquitectura
dc.departamentoesIngeniería Energética
dc.departamentoeuArkitektura
dc.departamentoeuEnergia Ingenieritza


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2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Except where otherwise noted, this item's license is described as 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).