Window frame thermal performance simulation. Suitable methods according to climate and technology

Abstract Within 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...

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Autores principales:	de Gastines,Maureen, Correa,Érica, Pattini,Andrea
Lenguaje:	English
Publicado:	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile 2018
Materias:	fenestration THERM U-factor numerical calculation labelling environmental conditions radiation model
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2018000100112
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spelling	oai:scielo:S0718-915X20180001001122018-08-22Window frame thermal performance simulation. Suitable methods according to climate and technologyde Gastines,MaureenCorrea,ÉricaPattini,Andrea fenestration THERM U-factor numerical calculation labelling environmental conditions radiation model Abstract Within 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.info:eu-repo/semantics/openAccessEscuela de Construcción Civil, Pontificia Universidad Católica de ChileRevista de la construcción v.17 n.1 20182018-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2018000100112en10.7764/rdlc.17.1.112
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	fenestration THERM U-factor numerical calculation labelling environmental conditions radiation model
spellingShingle	fenestration THERM U-factor numerical calculation labelling environmental conditions radiation model de Gastines,Maureen Correa,Érica Pattini,Andrea Window frame thermal performance simulation. Suitable methods according to climate and technology
description	Abstract Within 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.
author	de Gastines,Maureen Correa,Érica Pattini,Andrea
author_facet	de Gastines,Maureen Correa,Érica Pattini,Andrea
author_sort	de Gastines,Maureen
title	Window frame thermal performance simulation. Suitable methods according to climate and technology
title_short	Window frame thermal performance simulation. Suitable methods according to climate and technology
title_full	Window frame thermal performance simulation. Suitable methods according to climate and technology
title_fullStr	Window frame thermal performance simulation. Suitable methods according to climate and technology
title_full_unstemmed	Window frame thermal performance simulation. Suitable methods according to climate and technology
title_sort	window frame thermal performance simulation. suitable methods according to climate and technology
publisher	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2018000100112
work_keys_str_mv	AT degastinesmaureen windowframethermalperformancesimulationsuitablemethodsaccordingtoclimateandtechnology AT correaerica windowframethermalperformancesimulationsuitablemethodsaccordingtoclimateandtechnology AT pattiniandrea windowframethermalperformancesimulationsuitablemethodsaccordingtoclimateandtechnology
_version_	1714206289413799936

Window frame thermal performance simulation. Suitable methods according to climate and technology

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