The procedure and essential factor for design energy saving door and window has been described from following aspects : coefficient of building size, window / wall ratio, temperature retention, air tightness, thermal insulation and environmental protection. 从建筑体形系数、窗墙比(WWR)、保温性、气密性、隔热性和环保性等方面阐述节能门窗的设计程序和要素。
On the basis of calcuation of net heating quantity through different windows in different regions, the window wall area ratio should be determined by the net heating quantity. 通过对不同地点、不同类型窗净得热量的计算分析,指出窗户的面积窗墙比(WWR)应根据窗户的净得热量计算结果而定。
This article makes introduction from several aspects, e.g. bulk factor control, effective environment excavation, and window & wall area ratio control etc. 文章从控制体型系数,有效挖掘环境及控制窗墙面积比等方面进行了论述。