This study aimed to propose climatic zones in the Brazilian semiarid region using
multivariate statistical techniques and to characterize these zones for energy efficiency …

Solar chimney is currently used to enhance natural ventilation of buildings. In the present
study, a cylindrical solar chimney-with a variable diameter-installed in a cubic room is used …

Regarding to the previous studies, researchers are experimenting with and demonstrating
the effect of these engineering elements on the thermal efficiency of the solar chimney. The …

Natural ventilation is considered as an effective way to improve ventilation and thermal
comfort and reduce energy consumption in residential buildings. In this sense, natural …

In the proposed work combination of systems have been introduced that works on
renewable energy. The function of the introduced system is to produce ventilation, cooling or …