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Comparison of the heat transfer characteristics of molten salt, liquid sodium and supercritical CO2 in bayonet tubes of solar tower receivers

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dc.affiliation.dptoUC3M. Departamento de Ingeniería Térmica y de Fluidoses
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Ingeniería de Sistemas Energéticoses
dc.contributor.authorPérez Álvarez, Rafael
dc.contributor.authorMarugán Cruz, Carolina
dc.contributor.authorSantana Santana, Domingo José
dc.contributor.authorAcosta Iborra, Antonio
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.date.accessioned2021-04-23T10:20:46Z
dc.date.available2021-04-23T10:20:46Z
dc.date.issued2019-07-25
dc.description.abstractThe solar tower receivers tend to experience rupture problems due to the high thermal gradients and the corrosion produced by the working fluid, typically solar salt. In this work we have developed a series of CFD simulations to study a new receiver design composed of bayonet tubes aimed to reduce the overheating the receiver in the most thermally demanded area. These simulations evaluate the thermal behavior of the tubes for different working fluids, i.e. molten salt, liquid sodium and supercritical CO2. The simulations show that, for all the working fluids analyzed, it is possible to reduce the high temperatures of the tube thanks to the asymmetries created when the bayonet tube has an eccentric configuration. Besides, the greatest reduction of temperature in bayonet tubes is achieved when the working fluid is liquid sodium due to its higher thermal conductivity.en
dc.description.sponsorshipThe authors would like to thank the financial support provided by the Spanish government through the project ENE2015-69486-R (MINECO / FEDER, UE).en
dc.format.extent8
dc.identifier.bibliographicCitationPérez-Álvarez, R., Marugán-Cruz, C., Santana-Santana, D. & Acosta-Iborra, A. (2019). Comparison of the heat transfer characteristics of molten salt, liquid sodium and supercritical CO2 in bayonet tubes of solar tower receivers. AIP Conference Proceedings, 2126(1), 080005.en
dc.identifier.doihttps://doi.org/10.1063/1.5117600
dc.identifier.issn0094-243X
dc.identifier.publicationfirstpage080005-1es
dc.identifier.publicationissue1
dc.identifier.publicationlastpage080005-8
dc.identifier.publicationtitleAIP Conference Proceedingsen
dc.identifier.publicationvolume2126
dc.identifier.urihttps://hdl.handle.net/10016/32472
dc.identifier.uxxiCC/0000028305
dc.language.isoeng
dc.publisherAmerican Institute of Physics (AIP)en
dc.relation.eventdate2–5 October 2018en
dc.relation.eventplaceCasablanca, Moroccoen
dc.relation.eventtitleSolarPACES 2018: International Conference on Concentrating Solar Power and Chemical Energy Systemsen
dc.relation.projectIDGobierno de España. ENE2015-69486-R
dc.rights© 2019 Author(s).en
dc.rights.accessRightsopen access
dc.subject.ecienciaEnergías Renovableses
dc.titleComparison of the heat transfer characteristics of molten salt, liquid sodium and supercritical CO2 in bayonet tubes of solar tower receiversen
dc.typeconference paper*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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