Glazed curtain walls: Thermal transmitance calculation

Authors

  • Maureen de Gastines Instituto de Ambiente, Hábitat y Energía (INAHE) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) , Mendoza, Argentina https://orcid.org/0000-0002-0357-9375
  • Andrea Pattini Instituto de Ambiente, Hábitat y Energía (INAHE) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mendoza, Argentina https://orcid.org/0000-0001-6305-1268

DOI:

https://doi.org/10.22320/07190700.2021.11.01.01

Keywords:

façades, glazing, indices, construction systems

Abstract

Glazing is one of the dominant features of modern and contemporary architecture. This envelope design may have a great impact on operational energy demand of buildings. In this work, glazed façade systems available in Argentina are analyzed, with the purpose of determining the associated thermal transmittance ranges, in terms of the profiles’ design, the type of glazing and the size of glass panes. First, by using bidimensional numerical calculation, the impact of several profile design parameters on thermal transmittance is studied, highlighting the relevance of glazing fixing methods, to then calculate the thermal transmittance of the entire facade. The results indicate that the thermal transmittance value of glazed facades, mainly depends on the transmittance of the glass used, and exceeds this by 24% on average.

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Author Biographies

Maureen de Gastines, Instituto de Ambiente, Hábitat y Energía (INAHE) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) , Mendoza, Argentina

PhD in Civil-Environmental Engineering.

Postdoctoral student

Andrea Pattini, Instituto de Ambiente, Hábitat y Energía (INAHE) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mendoza, Argentina

PhD in Light and Vision Guidance.
Principal researcher and director of INAHE

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Published

2021-06-30

How to Cite

de Gastines, M., & Pattini, A. (2021). Glazed curtain walls: Thermal transmitance calculation. Sustainable Habitat, 11(1), 08–19. https://doi.org/10.22320/07190700.2021.11.01.01

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Artículos