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Utilization of displacement ventilation and on-site measurement of thermal environment in an ice arena

机译：在冰场中使用位移通风和热环境的现场测量

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摘要

Thermal environment in ice arenas is significantly different from that in common commercial buildings. Strict dry and cold environment is required near the ice for sports standards, while the spectators in view stands would prefer a comfortable environment. A zoning air conditioning scheme with two alternative displacement air supply systems is proposed for an ice arena, and the on-site measurement is carried out in the present research. Ground displacement ventilation is used in the ice area, while seat displacement ventilation is used for spectators. Results show that the temperature and humidity ratio near the ice vary at the range of 6.8-9.6 degrees C, 2.9-3.1 g/kg respectively in any conditions. In the ice area, the controlling height of air parameters is about 1.25 m with obvious stratification in vertical direction. At the same time, the operating temperature is maintained at about 20 degrees C in the spectator area within thermal comfort range. It is hoped to provide a new idea for the air conditioning terminal in ice arenas, especially for the large space arenas.
机译：冰群中的热环境与普通商业建筑中的冰球有显着差异。在冰附近的体育标准附近需要严格的干燥环境，而观众在观众方面的景观将更喜欢舒适的环境。为冰竞技场提出了具有两个替代位移空气供应系统的分区空调方案，并在本研究中进行现场测量。地面位移通风用于冰面积，而座椅位移通风用于观众。结果表明，冰附近的温度和湿度比在任何条件下分别在6.8-9.6摄氏度，2.9-3.1g / kg的范围内变化。在冰区，空气参数的控制高度约为1.25米，垂直方向明显分层。同时，在热舒适度范围内的观众区域中的操作温度保持在约20摄氏度。希望为冰场中的空调终端提供新的想法，特别是对于大型空间竞技场。

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