地台式空气分布装置的模拟与实验研究
摘要：针对高大空间建筑的空调负荷特性和室内环境需求，仅营造人员活动区热湿环境的就地空调方案较为节能舒适。介绍了地台式空气分布装置的研发、实验测试和模拟分析。该装置送风气流均匀，侧送气流能形成温度适宜、稳定均匀的地面“空气湖”,顶送气流能形成贴幕墙的竖向“空气帘”,同时能营造出良好的竖向温度分层。装置设计美观、安装检修方便，适用于高大空间的室内环境控制。
关键词：地台式空气分布装置高大空间空气湖空气帘温度分层
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Experimental and numerical analysis on a floor-type air distribution device
Abstract: For the tall and large space, due to the characteristics of air conditioning load and indoor environment requirements, the most energy efficient way to create indoor environment is to provide the thermal comfort environment only in personnel activity area and ignore the environmental control of non-personnel activity area. Based on this purpose, the floor-type air distribution device is developed. Experimental test and simulation analysis of the device are carried out. The result shows that the air supply of the device is uniform. For the side air supply, a stable and uniform ground “air lake” with appropriate temperature can be formed. For the top air supply, it can form a vertical “air curtain” attached to the curtain wall, which creates a good vertical temperature stratification. The device has the advantages of good looking, convenient installation and maintenance, which make it suitable for indoor environment control of large space.
Keywords: floor-type air distribution device; large space; air lake; air curtain; temperature stratification;
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