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窗户是建筑围护结构中对于室外气候变化最为敏感的建筑构件。由于锒嵌材料的绝热能力薄弱和开启部分的不严密,使窗户对居室小气候产生直接而迅速的不利影响。冬季玻璃表面的低温辐射和缝隙渗透冷风,在窗内1至1.5米范围内形成一个降温区,使人感到不适。在持续刮风的日子里,窗缝渗透风量迅速增加,足以引起室温急剧下降(表1)。同时,随着风速的变化,室内温度会产生相应波动。当波动
Windows are the most sensitive building components for outdoor climate change in building envelopes. Due to the poor thermal insulation capability of the iridium-inserted material and the impreciseness of the opening part, the windows have direct and rapid adverse effects on the microclimate of the residence. The low-temperature radiation and gap penetration of cold glass on the winter surface of the glass form a cooling area within the window of 1 to 1.5 meters, causing people to feel uncomfortable. In the continuous windy days, the amount of air seepage through the window seam increased rapidly enough to cause a sharp drop in room temperature (Table 1). At the same time, as the wind speed changes, the indoor temperature will fluctuate accordingly. When fluctuations