外墙反射隔热在夏热冬冷地区节能建筑中的适用性

Applicability of exterior walls reflective thermal insulation to energy efficient buildings in hot summer and cold winter zone

通过分析夏热冬冷地区重庆、武汉、上海3个典型城市室外综合温度与太阳辐射吸收系数的关系,得出建筑物各朝向外墙反射隔热对全年能耗的影响;采用DOE-2软件计算了外墙反射隔热的节能效果,讨论了反射隔热措施对弥补轻型节能外墙热惰性不足的作用。

Analyses the relations between the outdoor solar temperature and the solar radiation absorption coefficient in the three typical cities of Chongqing, Wuhan and Shanghai in hot summer and cold winter zone, obtains the influence of reflective thermal insulation of exterior walls of respective direction on the annual energy consumption of the building. Applies the DOE-2 software to simulation of the energy saving effect of exterior walls reflective thermal insulation, and discusses the function of this insulating measure to compensate the insufficient thermal inertial of lightweight energy efficient exterior walls.