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An approach to characterize the nanolayer for a nanofluid: Thickness, density and molar mass

2024Journal article Restricted access
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dc.contributor.authorIglesias, T.P.
dc.contributor.authorQueirós, A.
dc.contributor.authorCoelho, M.F.
dc.date.accessioned2024-04-18T14:22:27Z
dc.date.available2024-04-18T14:22:27Z
dc.date.issued2024
dc.description.abstractThe aim of this work is to develop a theoretical approximation to calculate the effective thickness, density and molar mass of the interfacial nanolayer around nanofluid particles. These properties of the nanolayer depend, in general, on temperature, on the nature of the base fluid, the nature of nanoparticles, their geometry and their concentration. The model takes into account all these parameters. This is presented for a general geometry and it is shown that the effective nanolayer molar mass is equal to that of the base fluid. Then, this is particularized for a spherical geometry, which is one of the most usual in literature, and is numerically applied to the aqueous alumina (15 nm) nanofluids at different temperatures and nanoparticle concentrations. The obtained results together with those from the application of the model to some nanofluids from literature, at different temperatures and nanoparticle concentrations, allow providing a general insight into the effective behavior of those nanolayer properties. Finally, it is shown that the model, under its hypothesis, does not support the equation of Pak and Cho except as an approximation.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationT.P. Iglesias, A. Queirós, M.F. Coelho, An approach to characterize the nanolayer for a nanofluid: Thickness, density and molar mass, Journal of Molecular Liquids, Volume 393, 2024, 123537, ISSN 0167-7322, https://doi.org/10.1016/j.molliq.2023.123537.pt_PT
dc.identifier.doi10.1016/j.molliq.2023.123537pt_PT
dc.identifier.issn0167-7322
dc.identifier.urihttp://hdl.handle.net/10400.22/25359
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0167732223023437pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.subjectNanofluidspt_PT
dc.subjectNanolayerpt_PT
dc.subjectTheoretical modelspt_PT
dc.subjectDensitypt_PT
dc.subjectAluminapt_PT
dc.titleAn approach to characterize the nanolayer for a nanofluid: Thickness, density and molar masspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleJournal of Molecular Liquidspt_PT
oaire.citation.volume393pt_PT
person.familyNameQueirós
person.familyNameCoelho
person.givenNameÂngela
person.givenNameMaria de Fátima
person.identifier.ciencia-id3A14-7521-E30E
person.identifier.ciencia-idD612-C5AF-5DBC
person.identifier.orcid0000-0003-1781-090X
person.identifier.orcid0000-0003-3613-8629
person.identifier.ridB-6679-2017
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationb0cec63b-7ae2-41d9-93a9-faae549cd97f
relation.isAuthorOfPublication7955b7e4-c128-4ed7-90b3-ece2831d0538
relation.isAuthorOfPublication.latestForDiscoveryb0cec63b-7ae2-41d9-93a9-faae549cd97f

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