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  • Revista de la Construcción. Journal of Construction
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Window frame thermal performance simulation. Suitable methods according to climate and technology

Author
de Gastines, Maureen; Instituto de Ambiente, Hábitat y Energía (INAHE) – CONICET

Correa, Érica; Instituto de Ambiente, Hábitat y Energía (INAHE) – CONICET

Pattini, Andrea; Instituto de Ambiente, Hábitat y Energía (INAHE) – CONICET

Full text
http://revistadelaconstruccion.uc.cl/index.php/rdlc/article/view/1121
Abstract
DOI: 10.7764/RDLC.17.1.112Within the framework of window labelling system elaboration in Argentina, this article questions the suitability of replicating calculation procedures from other countries with different climatic and technological contexts. This paper analyzes the methodological differences between existing standards for calculating window frame U-factor. It focuses on the impact of the radiation model applied on the frame outside boundary. Simulations were performed on different window frames under three sets of environmental conditions, first using the NFRC blackbody radiation model at the outside boundary, then using the ISO 15099 detailed radiation model. The comparison of the resulting U-factors shows significant differences (up to 12.7%) between both models. The impact of outside boundary radiation model choice increases with the non-planarity of outside frame boundary and decreases at high wind speeds. According to these results, the ISO 15099 detailed radiation model should be used on both sides of the frame, in order to maximise the accuracy of non-planar frames thermal transmittance calculation under any environmental conditions.
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Discipline
Artes, Arquitectura y UrbanismoCiencias Agrarias, Forestales y VeterinariasCiencias Exactas y NaturalesCiencias SocialesDerechoEconomía y AdministraciónFilosofía y HumanidadesIngenieríaMedicinaMultidisciplinarias
Institutions
Universidad de ChileUniversidad Católica de ChileUniversidad de Santiago de ChileUniversidad de ConcepciónUniversidad Austral de ChileUniversidad Católica de ValparaísoUniversidad del Bio BioUniversidad de ValparaísoUniversidad Católica del Nortemore

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