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针对7个室内布局基本相同的房间进行了夜间通风的实验研究,分析了不同天气状况、不同建筑朝向、不同阳台门开启度及不同控制方案条件下,夜间通风对学生公寓的降温效果。实验结果表明:阴天室内夜间温度降幅最大可达0.5℃,晴天降幅最大可达0.6℃;换气次数越大、通风时间越长,夜间通风的降温效果越明显;在夏季多阴雨天气的重庆地区,大力推广夜间通风降温技术,且使空调系统与夜间通风合理地联合运行,有利于实现建筑节能。
Experimental study on nighttime ventilation in seven indoor rooms with the same basic layout was carried out. The cooling effect of night ventilation on student apartments was analyzed under different weather conditions, different building orientation, different degrees of balcony door opening and different control schemes. The experimental results show that the nighttime temperature drop can reach as high as 0.5 ℃ in cloudy days and 0.6 ℃ in sunny days; the longer the ventilation times, the longer the ventilation time, the more obvious the cooling effect in nighttime ventilation; Regions, vigorously promote night ventilation and cooling technology, and make the air conditioning system and night ventilation reasonable operation, is conducive to the realization of building energy efficiency.