现代轻质建筑热容较小,窗墙比较大,冬季在利用透射太阳辐射采暖的同时易造成室内温度波动过大.本文提出将定形相变蓄能板安装在建筑内隔墙表面,以增加建筑热容,减小室温波动.采用经实验验证程序,模拟分析了相变板热物性、表面换热系数和用量对冬季室内温度波动的影响,给出了北京地区相变内隔墙房间的设计原则.
参考文献
[1] | Zhang YP;Ding HH;Wang X;Yang R;Lin KP .Influence of additives on thermal conductivity of shape-stabilized phase change material[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2006(11):1692-1702. |
[2] | Kunping Lin;Yinping Zhang;Xu Xu;Hongfa Di;Rui Yang;Penghua Qin .Experimental study of under-floor electric heating system with shape-stabilized PCM plates[J].Energy and buildings,2005(3):215-220. |
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