门窗玻璃的热工性能对建筑能耗的影响  

Effect of Thermal Properties of Glass Window and Door on Building Energy Consumption

作　　者：罗淑湘[1] 许威[1] 李俊领[1] 

机构地区：[1]北京建筑技术发展有限责任公司,北京100039

出　　处：《建筑节能》2009年第11期42-46,共5页BUILDING ENERGY EFFICIENCY

基　　金：国家科技支撑计划项目建筑节能关键技术研究与示范(2006BAJ01A03)

摘　　要：利用DeST-c软件,通过大量的模拟分析,探讨了不同气候区门窗玻璃的热工性能参数即传热系数(U)和太阳得热系数(SHGC)对建筑能耗的影响。结果表明:从节能方面考虑,对于严寒地区(哈尔滨),应降低K值,增加SHGC值。对于夏热冬暖地区(广州),应降低SHGC值。对于夏热冬冷地区(上海)和温和地区(重庆),应降低K值和SHGC值。而对于寒冷地区(北京),当窗墙比较大时,应降低K值和SHGC值;当窗墙比较小时,应降低K值,增加SHGC值。门窗玻璃的SHGC值全年固定不变对建筑节能不利。理想的门窗玻璃SHGC值应能随季节变化进行相应调整。The effect of the thermal properties （heat transfer coefficient U and solar heat gain coefficient SHGC） on building energy consumption of glas. window and door in different climate zones was simulated by DeST-e software. The study shows that in order to save energy, the U- value of glass window and door should be reduced and the SHGC value should be increased in chilly zone （Harbin）. The SHGC value should be reduced in hot summer and warm winter zone （Guangzhou）. In hot summer and cold winter zone （Shanghai） and warm zone （Chongqing）, the U and SHGC value should be reduced. In cold zone（Beijing）, u：hen the area ratio of window to wall orea is bigger, the U and SHGC value should be reduced. When the area ratio of window to wall area is smaller, the I/value should be reduced and SHGC value should be increased. It is negative while the SHGC value of glass window and door is cconstant all year. The ideal SHGC value of glass window and door should be adjusted with the season changing.

关 键 词：玻璃 传热系数(K值) 太阳得热系数(SHGC值) 气候区 建筑能耗 

分 类 号：TU532.56[建筑科学—建筑技术科学] TB32[一般工业技术—材料科学与工程]