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在夏热冬冷地区实际气候条件下搭建双层皮幕墙(DSF)实验系统,使用室内外太阳总辐射及散射辐射的测量装置,实验研究DSF的光学特性参数。并对计算百叶遮阳双层皮幕墙光学特性参数的两种主要方法——界面能量平衡法和射线追踪法进行实验验证与比较。结果表明:射线追踪法计算出百叶遮阳双层皮幕墙光学特性参数更接近实验结果,可准确模拟百叶遮阳双层皮幕墙辐射传递过程。
In the hot summer and cold winter area under the actual climatic conditions to build double skin curtain wall (DSF) experimental system, the use of indoor and outdoor solar radiation and scattered radiation measuring device, experimental study of optical parameters of DSF. Two main methods for calculating the optical parameters of the double-skin venetian blind with blinds were experimentally verified and compared by interface energy balance method and ray tracing method. The results show that the ray tracing method can be used to calculate the optical parameters of the double skinned curtain wall closer to the experimental results, which can accurately simulate the radiation transmission process of double skin curtain wall.