ANÁLISE DA ÁREA ENVIDRAÇADA E SUA INFLUÊNCIA PARA O CONFORTO TÉRMICO DE AMBIENTES RESIDENCIAIS EM BRASÍLIA – DF

Abstract

Direct solar radiation in buildings glazed openings is one of the major causes of thermal discomfort in hot climates like Brazilian’s. This paper objective is to analyze the glazed opening area influence on the thermal comfort of residential dwellings in the climatic context of Brasília, Federal District of Brazil. The inquiry investigates the parameter influence of the glazed area, orientation, and shading. To this end, it is carried a parametric study by means of thermoenergetic analysis with EnergyPlus aided by Design Builder of a longterm stay residential dwelling. The adaptative comfort model and the degree-hour method are adopted and later the percentage of occupied comfort hours (POC) are calculated, as well as a new indicator named iPOC, which ensembles POC results in classificatory levels, a percentage of hours of confort. The results show an inverse correlation between glazed area and thermal comfort, and also indicate the south and northeast orientation as the highest and lowest POCs, respectively. For better results comprehension it was developed two graphical tools, a diagram, and a matrix, which compile all results in an only gadget that can aid results understanding and help architectural decision making early on in the design.