Thermal Performance Optimization of Double and Triple Glazing Systems for Slovenian Climate Conditions

Glazing elements are an important part of the thermal envelope of a building. Therefore, good thermal performance of glazing elements can improve indoor comfort and reduce annual maintenance costs and CO<sub>2</sub> (carbon dioxide) emissions by reducing heat loss. Reducing heat loss thr...

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Autor principal:	Anita Prapotnik Brdnik
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	heating demand cooling demand thermal transmittance solar heat gain double glazing triple glazing Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/470adc83ff48405495ddd3f1295fbf27
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spelling	oai:doaj.org-article:470adc83ff48405495ddd3f1295fbf272021-11-11T19:33:36ZThermal Performance Optimization of Double and Triple Glazing Systems for Slovenian Climate Conditions10.3390/su1321118572071-1050https://doaj.org/article/470adc83ff48405495ddd3f1295fbf272021-10-01T00:00:00Zhttps://www.mdpi.com/2071-1050/13/21/11857https://doaj.org/toc/2071-1050Glazing elements are an important part of the thermal envelope of a building. Therefore, good thermal performance of glazing elements can improve indoor comfort and reduce annual maintenance costs and CO<sub>2</sub> (carbon dioxide) emissions by reducing heat loss. Reducing heat loss through glazing elements during the heating season can be achieved by combining low thermal transmittance with high solar heat gain. Using standardized calculation methods and measured climate data for three Slovenian locations representing typical continental, mountainous and Mediterranean climates, this study predicts the best combination of optical properties (emissivity, transmittance and reflectance) of glass panes in double and triple glazing systems that contribute to minimal heat loss. It was found that for the double glazing system, the minimum heating and cooling demand for buildings with low solar gains or high solar gains and applied shading is achieved by an inner pane with high transmittance without low-emissivity coating, and an outer pane with low-emissivity coating with minimum possible emissivity. In Maribor and Portorož climatic zones, the panes with low emissivity coating should be used as inner panes in buildings with high solar gains. For triple glazing, the minimum heating and cooling requirements are achieved with two or three panes with low emissivity. For buildings with low solar gains, an emissivity of the coating of 0.03 is preferable, but for buildings with high solar gains, lower emissivity values should be used.Anita Prapotnik BrdnikMDPI AGarticleheating demandcooling demandthermal transmittancesolar heat gaindouble glazingtriple glazingEnvironmental effects of industries and plantsTD194-195Renewable energy sourcesTJ807-830Environmental sciencesGE1-350ENSustainability, Vol 13, Iss 11857, p 11857 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	heating demand cooling demand thermal transmittance solar heat gain double glazing triple glazing Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350
spellingShingle	heating demand cooling demand thermal transmittance solar heat gain double glazing triple glazing Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350 Anita Prapotnik Brdnik Thermal Performance Optimization of Double and Triple Glazing Systems for Slovenian Climate Conditions
description	Glazing elements are an important part of the thermal envelope of a building. Therefore, good thermal performance of glazing elements can improve indoor comfort and reduce annual maintenance costs and CO<sub>2</sub> (carbon dioxide) emissions by reducing heat loss. Reducing heat loss through glazing elements during the heating season can be achieved by combining low thermal transmittance with high solar heat gain. Using standardized calculation methods and measured climate data for three Slovenian locations representing typical continental, mountainous and Mediterranean climates, this study predicts the best combination of optical properties (emissivity, transmittance and reflectance) of glass panes in double and triple glazing systems that contribute to minimal heat loss. It was found that for the double glazing system, the minimum heating and cooling demand for buildings with low solar gains or high solar gains and applied shading is achieved by an inner pane with high transmittance without low-emissivity coating, and an outer pane with low-emissivity coating with minimum possible emissivity. In Maribor and Portorož climatic zones, the panes with low emissivity coating should be used as inner panes in buildings with high solar gains. For triple glazing, the minimum heating and cooling requirements are achieved with two or three panes with low emissivity. For buildings with low solar gains, an emissivity of the coating of 0.03 is preferable, but for buildings with high solar gains, lower emissivity values should be used.
format	article
author	Anita Prapotnik Brdnik
author_facet	Anita Prapotnik Brdnik
author_sort	Anita Prapotnik Brdnik
title	Thermal Performance Optimization of Double and Triple Glazing Systems for Slovenian Climate Conditions
title_short	Thermal Performance Optimization of Double and Triple Glazing Systems for Slovenian Climate Conditions
title_full	Thermal Performance Optimization of Double and Triple Glazing Systems for Slovenian Climate Conditions
title_fullStr	Thermal Performance Optimization of Double and Triple Glazing Systems for Slovenian Climate Conditions
title_full_unstemmed	Thermal Performance Optimization of Double and Triple Glazing Systems for Slovenian Climate Conditions
title_sort	thermal performance optimization of double and triple glazing systems for slovenian climate conditions
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/470adc83ff48405495ddd3f1295fbf27
work_keys_str_mv	AT anitaprapotnikbrdnik thermalperformanceoptimizationofdoubleandtripleglazingsystemsforslovenianclimateconditions
_version_	1718431462143819776

Thermal Performance Optimization of Double and Triple Glazing Systems for Slovenian Climate Conditions

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