Iluminación natural en aulas: análisis predictivo dinámico del rendimiento lumínico-energético en clima soleados
AUTOR(ES)
Monteoliva, Juan Manuel, Pattini, Andrea
FONTE
Ambient. constr.
DATA DE PUBLICAÇÃO
2013-12
RESUMO
In towns like Mendoza (Argentina), where sunny, clear skies predominate, solar radiation provides high values of luminous efficacy. This allows minimizing, and sometimes eliminating, the consumption of electricity in indoor spaces during daylight hours. The goal of this study is to analyze and compare the autonomy of daylight and electricity consumption in classrooms, traditionally built and bioclimatic, in the city of Mendoza. The methodology was divided into the following stages: physical and photometric survey of real classrooms, weather data settings, and simulation and analysis of dynamic daylight metrics and electricity consumption for lighting. The results clearly showed increased autonomy of daylighting (15%) in spaces with bioclimatic design compared with traditional classrooms; an additional 3% by using time zone UTC-4 (currently not applicable in Argentina, as the official one is UTC-3); and, finally, 30% savings through using new technologies for the on/off control of artificial lighting. These results will hopefully contribute to a greater awareness of the benefits of energy-efficient school buildings, as well of the importance of daylighting as a factor in energy savings, health and comfort.
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