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New coloured coatings to enhance silica sand absorbance for direct particle solar receiver applications
dc.contributor.author | Gimeno Furió, Alexandra | |
dc.contributor.author | Hernandez, Leonor | |
dc.contributor.author | Martinez Cuenca, Raul | |
dc.contributor.author | Mondragon, Rosa | |
dc.contributor.author | VELA GASULLA, ANTONIO FABIAN | |
dc.contributor.author | Cabedo, Luis | |
dc.contributor.author | Barreneche, Camila | |
dc.contributor.author | Iacob, Mihail | |
dc.date.accessioned | 2020-04-03T22:20:05Z | |
dc.date.available | 2020-04-03T22:20:05Z | |
dc.date.issued | 2020-06-30 | |
dc.identifier.citation | GIMENO-FURIO, A., et al. New coloured coatings to enhance silica sand absorbance for direct particle solar receiver applications. Renewable Energy, 2020, vol. 152 | ca_CA |
dc.identifier.issn | 0960-1481 | |
dc.identifier.issn | 1879-0682 | |
dc.identifier.uri | http://hdl.handle.net/10234/187309 | |
dc.description.abstract | New systems using solid particles for solar energy capturing, heat transfer and thermal energy storage have been proposed and analysed in direct particle solar receivers. In this work, black coloured silica sand was investigated as a possible solid particle for such combined systems. Two different methods based on a carbon coating approach were implemented to black colour the initial material to improve their solar absorption characteristics. The morphology of the raw and coloured sands was analysed by scanning electron microscopy (SEM), particle size characterisation and porosity measurements. The coating of the black-coloured silica sands was evaluated by thermogravimetry. Solar absorption was characterised in a double-beam UV-VIS spectrophotometer combined with an integrating sphere, and with enhancements of approximately 100%, found for both coloured sands. The thermal storage and heat transfer capabilities of the initial and coated sands were measured at different temperatures. Some improvements in the specific heat capacity and reductions in thermal conductivity due to porosity changes were observed. | ca_CA |
dc.format.extent | 16 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Elsevier | ca_CA |
dc.relation.isPartOf | Renewable Energy, 2020, vol. 152 | ca_CA |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.subject | solar energy | ca_CA |
dc.subject | nanoparticles | ca_CA |
dc.subject | silica sand | ca_CA |
dc.subject | absorption | ca_CA |
dc.title | New coloured coatings to enhance silica sand absorbance for direct particle solar receiver applications | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | https://doi.org/10.1016/j.renene.2020.01.053 | |
dc.relation.projectID | This work has been partially funded by the Spanish governmentENE2015-64117-C5-2-R (MINECO/FEDER). The authors would liketo thank the Catalan Government for the quality accreditation givento their research group DIOPMA (2017 SGR118). LH and AGF ac-knowledges thefinancial support from the Generalitat Valenciana(Project: PROMETEU/2019/079) and from Pla de Promoci odelaInvestigaci oal’UJI (Project: UJI-B2016-47). The research waspartially supported by EU COST Action CA15119 Nanouptake“Overcoming Barriers to Nanofluids Market Uptake”. CB and MJacknowledges EU COST Action CA15119 for their STMS grants. | ca_CA |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | ca_CA |
dc.relation.publisherVersion | https://www.sciencedirect.com/science/article/pii/S0960148120300586 | ca_CA |
dc.date.embargoEndDate | 2022-06-30 | |
dc.type.version | info:eu-repo/semantics/acceptedVersion | ca_CA |
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