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作 者:汪宁 左宇航 徐嘉俐 章一帆 Wang Ning;Zuo Yuhang;Xu Jiali;Zhang Yifan
机构地区:[1]中国电建集团华东勘测设计研究院有限公司,浙江省杭州市311122
出 处:《洁净与空调技术》2024年第4期7-13,共7页Contamination Control & Air-Conditioning Technology
摘 要:五星级酒店客房内空调风口形式设计和选择对人员活动区的热舒适至关重要,为对比分析传统普通百叶送风口和新型条形送风口的差异,建立客房内空气流动数值模型,基于CFD模拟计算相同条件两种送风口形式下室内的温度场和流场,并优化研究条形风口的夏季送风角度。结果表明,条形送风口下人员活动区风速约0.2 m/s~0.3 m/s,温度约21.3℃~23.6℃,温度标准偏差为0.553℃,在试验范围内有效吹风温度全部在-1.7~+1.1限值内,空气分布特性指标为100%,温度场和流场相对普通百叶风口下更均匀,热舒适度更高。同时,优化结果表明条形风口在30°送风角度下,人员活动区的平均温度为20.8℃,最大流速为0.4 m/s,温度和速度相对0°和60°送风角度下均较低,热舒适性更高。The design and selection of air outlet forms in the guest rooms of five-star hotels play a crucial role in the thermal comfort of the personnel activity area.In order to compare and analyze the differences between the traditional ordinary louver air outlet and the new strip air outlet,a numerical model of air flow in the guest room is established.Based on CFD simulation,the indoor temperature field and flow field under the two air outlet forms under the same conditions are calculated.The study optimize the summer air delivery angle of the strip air outlet.The results show that under the strip air outlet,the wind speed in the personnel activity area is about 0.2 to 0.3 m/s,and the temperature is about 21.3 to 23.6℃.The temperature standard deviation is 0.553℃.The effective draft temperature in the test range is all within the limit of-1.7 to+1.1℃,and the air diffusion performance index is 100%.The temperature field and flow field are more uniform and had higher thermal comfort under the strip air outlet compared to the traditional ordinary louver air outlet.At the same time,the optimization results show that under a 30°air delivery angle of the strip air outlet,the average temperature in the personnel activity area is 20.8℃,and the maximum flow rate is 0.4 m/s.The temperature and velocity are relatively low compared to those at 0°and 60°air delivery angles,and have higher thermal comfort.
关 键 词:普通百叶 条形风口 数值模拟 热舒适度 结构优化
分 类 号:TU831[建筑科学—供热、供燃气、通风及空调工程]
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