SIMILITUDE AND THERMAL PERFORMANCE ON NON-CONVENTIONAL ROOFS

AUTOR(ES)

Sampaio, Carlos A. de P., Terezo, Rodrigo F., Rosa, Talitha O., Burigo, Mariana C., Andrade, Leonardo de B.

FONTE

Eng. Agríc.

DATA DE PUBLICAÇÃO

2018-01

RESUMO

ABSTRACT The objectives of this study were to evaluate the thermal comfort and the similitude between prototypes and reduced models, using non-conventional coverage with green roof and expanded clay aggregate, supported on wood frame structure. For this, were determined the Black Globe Temperature and Humidity Index (BGHI), the Human Discomfort Index (HDI), Effective Temperature (ET), Air Temperature (Tair) and Radiant Thermal Load (RTL), from March 2013 to December 2014. The results showed that there were no statistical differences to 5% significance in predicting heat indices between the prototypes and models. Observing all indexes simultaneously, it was observed that January was the month what led to the worst heat conditions, while June and July showed the worst cold conditions. It can be concluded that the use of reduced models is possible (1:2) compared to the prototype (1:1), with green roofs and expanded clay as covering element, for the prediction of thermal indexes, minimizing construction costs and use of spaces.

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