Daylight comfort and energy performance for non-residential building in extreme hot dry climate
The effects of daylight in interior spaces have a significant influence on the environment of the building, but even more, on the well-being of the user. The objective of this study was to analyze natural lighting and compliance with the range of 300 lux that NOM-025-STPS-2008 establishes as optimal...
Gorde:
| Egile Nagusiak: | , , |
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| Formatua: | Online |
| Hizkuntza: | spa |
| Argitaratua: |
Universidad Autónoma de Baja California
2021
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| Sarrera elektronikoa: | https://recit.uabc.mx/index.php/revista/article/view/71 |
| Etiketak: |
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| Gaia: | The effects of daylight in interior spaces have a significant influence on the environment of the building, but even more, on the well-being of the user. The objective of this study was to analyze natural lighting and compliance with the range of 300 lux that NOM-025-STPS-2008 establishes as optimal, the same as international standards consider as a minimum. An environmental and energy diagnosis was carried out using the Design Builder simulator, a private sector office located in an extreme dry hot climate was analyzed, five different sky scenarios were studied: one day with cloudy sky and four representative days with clear skies. The analysis to identify natural lighting was determined from the Daylight Factor expressed in lux. Lighting quality deficiencies or excesses were established from the results of the base case, in addition, another nine scenarios were simulated with different glazing systems to analyze the effects on heat gains. The properties of the material that allow a better thermal and light behavior are those with the lowest coefficient for solar heat gains and the highest coefficient for visible thermal light. The best glazing system is found with a double ultra-clear glass, by keeping the lighting only 5% lower than the base case and decreasing the heat gains per glazing by 18%. The best thermo-energetic condition was with a simple turquoise-blue tinted glass, since despite reducing the lighting by 25%, it allowed to comply with the Mexican standard and reduce heat gains by 55%. It is necessary to continue the study and modify the window-floor and window-wall ratio, as well as the shape and location of the opening to establish whether single tinted glass is better than double glazing systems. |
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