Experimental study of nanofluids flow and heat transfer over a backward-facing step channel

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dc.contributor.author Hilo, Ali Kareem
dc.contributor.author Talib, Abd Rahim Abu
dc.contributor.author Acosta Iborra, Antonio
dc.contributor.author Sultan, Mohammed Thariq Hameed
dc.contributor.author Hamid, Mohd Faisal Abdul
dc.date.accessioned 2021-05-05T07:40:05Z
dc.date.available 2022-07-15T23:00:05Z
dc.date.issued 2020-07-15
dc.identifier.bibliographicCitation Hilo, A. K., Talib, A. R. A., Iborra, A. A., Sultan, M. T. H. & Hamid, M. F. A. (2020). Experimental study of nanofluids flow and heat transfer over a backward-facing step channel. Powder Technology, vol. 372, pp. 497–505.
dc.identifier.issn 0032-5910
dc.identifier.uri http://hdl.handle.net/10016/32531
dc.description.abstract The forced convective heat transfer and friction factor of nanofluidsflow over a backward-facing step (BFS) in achannel with the base wall dissipating a uniform heatflux are experimentally investigated in this paper. Nano-particles such as CuO and MgO dispersed in pure ethylene glycol (EG) with average diameters of 40 nm, and vol-ume concentrations of 0, 1, 3, and 5% are considered as the working nanofluids. The results indicate that the heattransfer rate increases as the volume concentration of nanoparticles increased. The Nusselt number is enhancedup to 11% at 0.05 volume concentration compared to pure EG. The friction factor increases up to approximately 15% at Reynolds number (Re) of 5000 and volume concentrations of 0.01 and 0.03. The maximum value ofthe PEC in a BFS channel is 1.5 for the CuO-EG and 1.2 for the MgO-EG at a volume concentrations of 0.03 and Re=20,000.
dc.format.extent 9
dc.language.iso eng
dc.publisher Elsevier
dc.rights © 2020 Elsevier B.V.
dc.rights Atribución-NoComercial-SinDerivadas 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.other Backward-facing step
dc.subject.other CuO nanoparticles
dc.subject.other Experimental nusselt number
dc.subject.other Forced convection
dc.title Experimental study of nanofluids flow and heat transfer over a backward-facing step channel
dc.type article
dc.subject.eciencia Materiales
dc.identifier.doi https://doi.org/10.1016/j.powtec.2020.06.013
dc.rights.accessRights openAccess
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 497
dc.identifier.publicationlastpage 505
dc.identifier.publicationtitle Powder Technology
dc.identifier.publicationvolume 372
dc.identifier.uxxi AR/0000026774
dc.affiliation.dpto UC3M. Departamento de Ingeniería Térmica y de Fluidos
dc.affiliation.grupoinv UC3M. Grupo de Investigación: Ingeniería de Sistemas Energéticos
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