Effects of urban square entry layouts on spatial ventilation under different surrounding building conditions
urban square, street entry layout, surrounding building, spatial ventilation, numerical simulation
Effective urban square ventilation is important for the living comfortand health of residents. This research aims to establish some principles of street entry layouts for urban square ventilation optimization. Using computational fluid dynamics (CFD) simulation techniques, two types of street entry squares (two-intersection and four-intersection) were investigated under the effect of surrounding buildings. Three indices—the spatial mean velocity (
) through the street entry and square roof—were calculated to quantify the square ventilation performance. The simulation results indicate that the surrounding buildings could influence the square space ventilation. When the surrounding building conditions change to a building coverage ratio of 0.25, the
entering through the street entry can be reduced by 35%, and the
Tsinghua University Press
Wei You, Wowo Ding. Effects of urban square entry layouts on spatial ventilation under different surrounding building conditions. Building Simulation 2021, 14(02): 377-390.