蒸发冷却空调在半封闭房间应用的理论与实验研究

摘要

对在自然对流条件下蒸发冷却空调在开启窗户的半封闭房间内的应用进行了理论分析,分别给出了室内温、湿度与开窗面积的关系式.实验研究了不同开窗面积、开窗朝向、送风口条件下室内的温、湿度情况.结果显示,当室外湿球温度不高于24.6℃时,在自然对流条件下,只要开窗面积和开窗朝向合适,利用直接蒸发冷却空调可以使室内的温湿度达到理想效果；使用方形散流器送风的冷却范围比双层出风口大.%Analyses the application of evaporative cooling air conditioning under the condition of natural convection in a semi-closed room with open windows by theory method, and gives the relational expression between indoor temperature and window size and that between indoor humidity and window size. Experimentally studies the indoor temperature and humidity under the conditions of different window sizes, window orientations and air supply outlets. The results show that when outdoor wet-bulb temperature is not higher than 24.6 ℃ , under natural convection condition, provided the window size and orientation are appropriate, the indoor temperature and humidity can achieve an ideal effect by using evaporative cooling air conditioning; the cooling range using a square diffuser is larger than that using a double outlet.