驻马店65断桥_平开窗_平开窗设计效果图

当采用8+12+8时：R=0.3111m2•K/W   K=3.2148W/(m2•K) 

  空气层厚度9mm时的传热系数是6mm的93．13％；12mm时是6mm的87．13%。 

When using 8 + 12 + 8: R = 0.3111 m2, K/W K = 3.2148 W/(m2), K

9 mm air layer thickness at the time of the heat transfer coefficient is 6 mm 93. 13%; 12 is 6 mm, 87 mm. 13%.

驻马店65断桥_平开窗_平开窗设计效果图

驻马店65断桥_平开窗_平开窗设计效果图

驻马店65断桥_平开窗_平开窗设计效果图

 由上见，要降低窗的传热系数，采取增大空气层的效果明显。但试验结果表明，空气层不大于20mm时，传热热绝缘系数随空气层厚度增大而增加，超过２０mm以后，随空气层厚度增加热绝缘系数反而递增。   4.型材对节能保温性能的影响 

By see, want to reduce the heat transfer coefficient of the window, to increase the effect of the air layer. But the test results show that the air layer is not more than 20 mm, the heat transfer coefficient increases with the thickness of the air layer insulation, after more than 20 mm, with the increase of thickness of air layer heat insulation coefficient increasing instead. 4. Material affect the performance of energy-saving heat preservation

驻马店65断桥_平开窗_平开窗设计效果图

驻马店65断桥_平开窗_平开窗设计效果图

澳门65断桥_平开窗_平开窗设计效果

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