Urban Planning Elements affect Thermal Environment from Solar Radiation in Subtropics

Abstract: Urban planning elements are crucial factors affecting the absorption and storage of heat from solar radiation in ground surfaces. This study examined the influence of heat storage capacity and urban planning methods on environmental hotspots. We examined the campus of National Taipei University of Technology (NTUT), including urban planning elements such as the building structures, road pavement materials, water bodies, and vegetation. The study was divided into measurement and simulation. The study results indicate that: The thermal properties of urban planning elements exert significant influence on the heat storage of urban sites. The arrangement of building clusters and the mutual exchange of energy among them causes stagnant wind fields and heat storage. The evapotranspiration from water bodies and grass creates high moist enthalpy, which is difficult to dissipate.

Keywords: heat storage capacity, environmental hotspot, computational fluid dynamics, urban planning element, urban heat storage

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