高反照率屋顶对城市热岛及空调能耗的影响
梁锦,罗坤,王强,杨续超,樊建人,张峻溪

Effect of high-albedo roofs on urban heat island and air-conditioning energy consumption
Jin LIANG,Kun LUO,Qiang WANG,Xu-chao YANG,Jian-ren FAN,Jun-xi ZHANG
表 2 CTRL(对照组)和ALB3(屋顶反照率为0.85)不同城市区域白天的模拟结果对比
Tab.2 Comparison of simulation results between CTRL (control) and ALB3 (albedo is 0.85) in different urban areas in daytime
城市区域类型 案例名称 t / °C UHII / °C WS10 /(m·s−1 EAC /(W·m−2
CM CTRL 37.60 2.26 2.43 41.48
CM ALB3 37.10 1.93 2.08 39.88
CM ALB3−CTRL −0.50 −0.32 −0.35 −1.61
HR CTRL 37.06 1.72 2.85 19.96
HR ALB3 36.52 1.36 2.45 18.57
HR ALB3−CTRL −0.53 −0.35 −0.40 −1.38
LR CTRL 36.49 1.15 3.03 6.77
LR ALB3 36.07 0.91 2.64 6.14
LR ALB3−CTRL −0.42 −0.24 −0.39 −0.63