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遮阳板和内缩窗是我国南方建筑较常采用的一种遮阳形式,为研究这两种遮阳结构对建筑外窗太阳辐射的影响,计算了建筑东、南、西、北外墙上,采用遮阳板的内缩窗的太阳辐射能量。对太阳直射辐射采用投影相加法计算遮阳板和内缩墙面对建筑外窗的遮挡。计算表明:遮阳板和内缩窗可以明显减弱东、南、西侧外墙上窗户的太阳辐射,对北侧外墙窗户的遮阳作用较小。
In order to study the influence of the two kinds of shading structures on the solar radiation of the outer windows of the building, the sun visors and the retracted windows are used as a form of sunshade in southern China. Sun visors retract the solar radiation energy. The direct sun radiation using projection sum method to calculate the sun visor and retract the wall on the building outside the window block. The calculation shows that sun visors and retraction windows can significantly reduce the solar radiation on the windows on the east, south and west facades and have less sunshade effect on the north side windows.