Abstract

The rapid development of the modern city has posed many challenges for the outdoor thermal environment, and maintaining the comfort and safety of the city is a staple for achieving sustainable development. In this article, the relevant data of 7 residential areas in the city of Foshan were collected, and the outdoor thermal environment was simulated. The simulation results show that the average wind speed ratio of the 7 residential areas is small in difference, but the outdoor average daily heat island intensity (8:00-18:00) has a huge discrepancy, and the average outdoor heat island intensity of some residential areas can reach above 2°C per day. The analysis finds that the layout of the buildings’ group affects the site’s shadow rate, thus ulteriorly affecting the thermal environment of the residential areas during the summer. Therefore, increasing Guangdong’s shadow rate during the summer is necessary to reduce the direct radiant heat of the ground, further improving the outdoor thermal environment.

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