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Accelerated aging tests for solar absorber coatings

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dc.contributor.authorCunha Diamantino, Teresa
dc.contributor.authorGonçalves, Rita
dc.contributor.authorPáscoa, Soraia
dc.contributor.authorAlves, Isabel Nascimento
dc.contributor.authorChambino, Teresa
dc.contributor.authorFerreira, Cristina
dc.contributor.authorCarvalho, Maria João
dc.date.accessioned2019-01-23T15:00:21Z
dc.date.available2019-01-23T15:00:21Z
dc.date.issued2018
dc.description.abstractABSTRACT: The need of a higher role of solar energy within the energy mix in the coming decades obliges the systems to increase their performance and reliability. It is demanded that the solar absorbers, as the key component of solar thermal systems, should be low cost with high efficiency for extended lifetimes under different kinds of environments. Commercially, there are two different types of solutions as selective solar absorbers coatings: coatings obtained by physical vapor deposition (PVD) and by paint coatings (PC). These coatings present different physical and chemical characteristics. Therefore, it is important to know how these coatings degrade over time in different environments. Results obtained with two different PVD coatings and three PC, under different accelerated aging tests, are presented. The aging tests performed included different environmental stress corrosion conditions: temperature, humidity, chlorides, sulphur dioxide and nitrogen oxides. Cyclic variation of corrosion promoting gases (sulfur dioxide and nitrogen dioxide), higher humidity, salt spraying and drying seem to be an aging test that reflects the different environments where the solar thermal collectors are exposed. In addition to the contaminants, drying / wetting cycles also play an important role in degradation mechanisms of absorber coatings.pt_PT
dc.description.versioninfo:eu-repo/semantics/acceptedVersionpt_PT
dc.identifier.citationDiamantino, T.C.; Gonçalves, R.; Páscoa, S... [et.al.] - Accelerated aging tests for solar absorber coatings. In: EuroSun 2018 : 12th International Conference on Solar Energy for Buildings and Industry. Rapperswil, Switzerland, 10-13 September, 2018, 11 p.pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.9/3110
dc.language.isoengpt_PT
dc.relationFCOMP-01-0124-FEDER-027507pt_PT
dc.relationFCT RECI/EMS-ENE/0170/2012pt_PT
dc.relationPOCI-01-0145-FEDER-016709pt_PT
dc.relationFCT PTDC/EMS-ENE/0578/2014pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectSolar thermal systemspt_PT
dc.subjectSolar absorver surfacespt_PT
dc.subjectAging testspt_PT
dc.titleAccelerated aging tests for solar absorber coatingspt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceRapperswil, Switzerlandpt_PT
oaire.citation.titleEuroSun 2018 : 12th International Conference on Solar Energy for Buildings and Industrypt_PT
person.familyNameCunha Diamantino
person.familyNameGonçalves
person.familyNamePáscoa
person.familyNameFerreira
person.familyNameCarvalho
person.givenNameTeresa
person.givenNameRita
person.givenNameSoraia
person.givenNameCristina
person.givenNameMaria João
person.identifier.ciencia-idA81C-1FE7-1D42
person.identifier.ciencia-id5D16-10AA-AF4E
person.identifier.ciencia-idAB12-0E87-100E
person.identifier.orcid0000-0002-0481-0460
person.identifier.orcid0000-0003-2425-0234
person.identifier.orcid0000-0002-2015-4547
person.identifier.orcid0000-0002-3710-241X
person.identifier.orcid0000-0001-8763-4847
person.identifier.ridG-5063-2017
person.identifier.ridL-4158-2014
person.identifier.scopus-author-id7201413995
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublication706d0686-58f1-440b-a903-6f57130b962c
relation.isAuthorOfPublication49a17c87-166e-472a-b561-259c4b547c99
relation.isAuthorOfPublication78006590-edd5-4da3-a584-d4909c65e8b7
relation.isAuthorOfPublication288c3eee-b9e1-4b77-85c0-15ace0898b5d
relation.isAuthorOfPublication612ce7fe-326e-4d96-be54-3b1aa9e64e71
relation.isAuthorOfPublication.latestForDiscovery78006590-edd5-4da3-a584-d4909c65e8b7

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