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外窗的能耗在现代建筑中占有相当大的比重,遮阳是减少外窗太阳辐射所引起的空调负荷的有效措施。本文首先综合介绍了市场上的外遮阳产品;而后使用清华大学开发的建筑能耗模拟软件DeST-c,模拟分析了外窗综合遮阳系数对建筑物不同朝向能耗的影响,计算结果表明南向遮阳系数的改变对能耗的影响最大,且活动式遮阳的效果远好于固定式遮阳;最后模拟计算了水平机翼型遮阳板的宽度对建筑能耗的影响,得出了各朝向合适的板宽。
Outside the window of energy consumption in modern architecture occupies a large proportion of shade is to reduce the window radiation caused by solar radiation caused by the effective measures of air conditioning. This paper firstly introduces the external sun-shading products on the market and then uses the building energy consumption simulation software DeST-c developed by Tsinghua University to simulate and analyze the influence of the integrated shade coefficient of exterior windows on the energy consumption of different orientations of buildings. The calculation results show that the southward The change of shading coefficient has the greatest impact on energy consumption, and the effect of movable sun shading is much better than that of fixed sun shading. Finally, the influence of horizontal wing shading width on building energy consumption is simulated, Wide board.