AVALIAÇÃO TÉRMICA DE AMBIENTES VENTILADOS NATURALMENTE
Keywords:
Thermal comfort, Measurement method, Natural ventilation, Thermal performanceAbstract
Expenditures on electricity in buildings are increasing, caused, among other factors, by the architectural design, which in many cases does not consider the climatic situation of the site, resulting in inefficient buildings dependent on artificial air conditioning systems, increasing energy consumption. The research aimed to analyze the thermal performance of naturally ventilated residential buildings, located in the same climatic region, with different types of windows. Data were obtained and recorded with the aid of an anemometer connected to a computer. Four methodological steps were carried out: choice of buildings to carry out the measurements; measurement calendar; anemometer selection; and the criteria for evaluating the regulations. The measurements determined that the air temperatures in House 2 (multi-family building, with opening without permanent ventilation) were higher than in House 1 (single-family building, with opening for permanent ventilation). The results obtained for moisture in the 4 measurements carried out remained within the established limit. The air velocity did not reach the established minimum for comfort in any measurement. The results confirm the Brazilian norm on the use of openings that allow permanent ventilation, especially for environments that are closed all day and, due to a lack of air renewal, end up having their temperature elevated.
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