Two prototype office buildings with low internal gains were simulated using DOE2 software to evaluate its energy consumption in different urban microclimates. Weather data from two weather stations were used: in Rio de Janeiro – Santos Dumont local airport and Antônio Carlos Jobim International Airport – and in Florianópolis – Hercílio Luz International Airport and LABSOLAR at Federal University of Santa Catarina. One prototype was designed to be more sensitive to the external environment and the other, less sensitive. The weather files of 3 stations did not have solar radiation data. Solar radiation was estimated from cloud cover based in a different model than that used by DOE 2.1-E that was calibrated with satellite data. This paper presents the comparison of the results of total building electric energy consumption for the two different climatic data files in each city. It presents also the differences in some weather data variables, dry bulb temperature, solar radiation and wind speed, found in each city. Site characteristics, such as urban occupation or location into the city, are factors that affected simulation results. Also, building components characteristics modify consumption according to the site where the prototype is simulated.
Urban climate and its influence on energy consumption a case study in two brazilian cities
Building Simulation, 7, 2001, Rio de Janeiro, Brazil, p. 167-174