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提出在现有的被动式太阳能集热墙的空气夹层中悬挂涂有选择性吸收涂层的百叶窗帘,组成新型结构的百叶型集热墙。利用可对比热箱实验平台,测试研究百叶型集热墙的集热性能,分析对比不同角度叶片对室内温度的影响。实验结果显示,在室内无热源情况下,叶片角度设置在45°时的集热效果最好,装有百叶型集热墙的房间的平均温度最高比普通房间高出12.6℃,能显著提高室内环境温度,改善室内热环境,降低室内热负荷。
It is proposed to hang the blinds coated with the selective absorption coating in the air interlayer of the existing passive solar thermal collector wall and form a new type of louvered thermal collector wall. By using the comparative hot box experimental platform, the heat collecting performance of the louver collector wall was tested and analyzed, and the influence of different angles on the indoor temperature was analyzed. The experimental results show that the best heat collection efficiency is achieved when the blade angle is set at 45 ° in the absence of heat source in the room. The average temperature of the room with louvered heat collecting wall is 12.6 ° C higher than that of the normal room, which can significantly improve indoor Ambient temperature, improve indoor thermal environment, reduce indoor heat load.