常用外窗及幕墙热工性能参数(共6页).doc

精选优质文档-倾情为你奉上附录D 常用外窗及幕墙热工性能参数D.0.1 常用外窗的传热系数和遮阳系数见表D.0.1。表D.0.1 常用外窗的传热系数和遮阳系数窗框材质窗户类型空气层厚度（mm）玻璃厚度(mm)窗框窗洞面积比（%）传热系数K(W/m2.K)遮阳系数钢、铝单框单层玻璃单层玻璃5/615206.40.93双层窗1001405/63.50.70单框中空玻璃65/64.2/4.10.8495/64.0/3.90.78125/63.7/3.60.75单框Low-E中空玻璃65/63.4/3.30.4895/63.0/3.10.45125/62.8/2.70.43隔热型材单框中空玻璃65/63.6/3.550.8495/63.5/3.450.78125/63.4/3.30.75隔热型材单框