Strategies for Improving Outdoor Wind Environment in Residential Areas in Lanzhou Based on CFD Simulation
Based on the use of computational fluid dynamics(CFD)simulation methods,the outdoor wind environment of the Zhonghai Heshanjun residential area in Lanzhou was investigated.By establishing a numerical model,the distribution of wind fields and the variation patterns of wind speed under different seasonal and wind speed conditions were analyzed.The results indicate that there are significant areas of low wind speed within the residential area,with substantial proportions of wind shadow zones in summer and areas with wind speeds below 1 m/s in winter.To address these issues,optimization strategies are proposed in terms of building layout,the creation of open spaces and ventilation corridors,and the angles between buildings and the prevailing wind direction.These strategies aim to reduce the areas of low wind speed,enhance air circulation,and improve the comfort and quality of the residential environment,which will provide a scientific basis for improving the wind environment of residential areas in Lanzhou,promoting the development of livable cities.
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