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dc.creatorMartínez Echeverri, Álvaroes_ES
dc.creatorAstrain Ulibarrena, Davides_ES
dc.creatorRodríguez García, Antonioes_ES
dc.identifier.issn1359-4311 (Print)
dc.identifier.issn1873-5606 (Electronic)
dc.description.abstractHighly promoted by the European Union Climate and Energy Package for 2020, solar collectors stand out as the most promising alternative to meet water heating demands. One of the most limiting problems in these systems involves the overheating of the working fluid, resulting in rapid fluid degradation, scaling and premature component failure. This paper presents the computational design of a zero-power-consumption system that combines thermoelectric-self-cooling technology and thermosyphon effect to dissipate the excess heat from a real solar-collector installation. Thermoelectric self-cooling is a novel thermoelectric application proven to enhance the heat dissipation of any hot spot without electricity consumption. The simplest design outperforms currently-used static and dynamic dissipaters for overheating protection in solar collectors, since it increases the global heat transfer coefficient of a static dissipater by 75 % and requires no electricity. Likewise, the final design presents a global heat transfer coefficient of 15.23 W/(m2K), 155 % higher than that provided by static dissipaters, forming a reliable, robust and autonomous system that stands out as a promising alternative to prevent the overheating of solar collectors.en
dc.description.sponsorshipThe authors are indebted both to the Spanish Ministry of Economy and Competitiveness and the European Regional Development Fund for the economic support to this work, included in the DPI2011-24287 research project.en
dc.relation.ispartofApplied Thermal Engineering 73 (2014) 1103-1112en
dc.rights© 2014 Elsevier Ltd. The manuscript version is made available under the CC BY-NC-ND 4.0 license.en
dc.subjectThermoelectric self-coolingen
dc.subjectSolar collectoren
dc.subjectComputational modelen
dc.titleZero-power-consumption thermoelectric system to prevent overheating in solar collectorsen
dc.typeArtículo / Artikuluaes
dc.contributor.departmentUniversidad Pública de Navarra. Departamento de Ingeniería Mecánica, Energética y de Materialeses_ES
dc.contributor.departmentNafarroako Unibertsitate Publikoa. Mekanika, Energetika eta Materialen Ingeniaritza Sailaeu
dc.rights.accessRightsAcceso abierto / Sarbide irekiaes
dc.type.versionVersión aceptada / Onetsi den bertsioaes

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© 2014 Elsevier Ltd. The manuscript version is made available under the CC BY-NC-ND 4.0 license.
Except where otherwise noted, this item's license is described as © 2014 Elsevier Ltd. The manuscript version is made available under the CC BY-NC-ND 4.0 license.