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dc.creatorE. Barreira
dc.creatorE. Bauer
dc.creatorN. Mustelier
dc.creatorV. P. Freitas
dc.description.abstractEmissivity is one of the parameters that most influence measurements by infraredthermography, as it rules the effective radiation emitted by the surface, regarding the blackbody. For in situ measurements, the surface emissivity is defined using black tape withknown emissivity. The tape is glued over a portion of the surface under study and itstemperature is measured considering the tape emissivity. The surface emissivity is adjustedby equating the temperatures of the tape and of the surface near it. In this work the accuracyof this method was evaluated, by comparison with measurements made with an emissometer.The emissivity of ten different materials commonly used in buildings was assessed ,considering a black tape of well-known emissivity.
dc.relation.ispartofAITA 2015 13th International Workshop on Advanced Infrared Technology & Applications
dc.subjectEngenharia civil, Engenharia civil
dc.subjectCivil engineering, Civil engineering
dc.titleMeasurement of materials emissivity - Influence of the procedure
dc.typeArtigo em Livro de Atas de Conferência Internacional
dc.contributor.uportoFaculdade de Engenharia
dc.subject.fosCiências da engenharia e tecnologias::Engenharia civil
dc.subject.fosEngineering and technology::Civil engineering
Appears in Collections:FEUP - Artigo em Livro de Atas de Conferência Internacional

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