Characterization of Natural Ventilation for Planning and Sustainable Projects

The Case of Tangará da Serra – MT

Abstract

This study explores wind patterns in Tangará da Serra/MT to be used in urban planning and architectural design strategies. It focuses on characterizing wind conditions in wet and dry seasons, examining changes in wind direction and speed throughout the day. Wind speed and direction data are obtained from an anemometer from the UNEMAT campus, resulting in the creation of wind roses that illustrate the prevailing wind directions and speeds. In the dry season, high-speed east and northeast winds in the afternoon and early night present challenges, being hot, dry and carrying pollutants. Effective wind-blocking measures are essential to addressing these issues. On the other hand, cooler and moist winds from the southeast are suitable for sanitary ventilation. During the rainy season, winds are slower from mainly north and northeast directions in the afternoon and early at night. This presents opportunities for moisture regulation, better thermal comfort, and control of microorganism proliferation. Recommendations include the implementation of barriers to block dry season winds from the east, preserving tree vegetation, reinforcing open areas and higher buildings in appropriate parts of the city.