佛山某文化综合体室外热环境模拟分析

Analysis of Outdoor Thermal Environment for a Cultural Complex in Fbshan

采用ENVI-met对佛山某城市文化综合体的室外热环境进行了数值模拟计算。模拟结果表明:在14:00地块内绿地、水体和遮阳棚可明显降低世纪大街的地表表面温度;空气温度受空气风速和风向的影响较大;天蓬对世纪大街的热环境改善明显,显著降低了平均辐射温度和SET*值,保证世纪大街60%以上区域热环境在最热时段仍处于可接受范围。19:00模拟结果表明,热环境舒适区域覆盖大部分的公共文化体的室外活动区域,为傍晚时分市民活动提供了舒适的空间。对现状建筑设计和景观设计方案提出热环境优化措施,以求构建更加良好的室外热环境。

Outdoor thermal environment of a cultural complex in Foshan is simulated by the Computational Fluid Dynamics model ENVI-met.At14?,00,the surface temperature of the Century Avenue is significantly reduced by the green belt,water and shade.The air speed and wind direction have a great impact on air temperature.The mean radiant temperature and the SET*o f the Century Avenue are significantly reduced by the canopy shade,and ensure thermal environment acceptable region more than60%of the public space at the hottest period.At19'00,most outdoor public space is thermal environment comfort zone,where suitable for people to leisure and recreational activities.In order to build a better thermal environment,optimization measures are proposed to the architectural design and landscape design.