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蒸发冷却空调室外计算参数生成方法研究
杨怡1, 黄翔2, 褚俊杰2, 李红莲3, 杨柳1
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(1.西安建筑科技大学建筑学院;2.西安工程大学城市规划与市政工程学院;3.西安建筑科技大学信息与控制工程学院)
摘要:
介绍了现行规范中夏季室外计算参数和设计日的确定方法,根据蒸发冷却技术适应区,选取四个典型城市,在我国现行规范的方法基础上,形成了以湿球温度为主、干球温度为辅的蒸发冷却用室外设计计算参数;同时提出一种新的典型日确定方法,以台站历史长期观测数据为基准,提取典型城市夏季室外气候日变化特征和趋势,利用逐时系数法计算获得夏季设计日的数据。结果表明:现行规范中的方法与新方法选择的湿球温度值相同,但现行规范的干球温度普遍大于同时发生的干球温度设计值。同时现行规范中的方法不能准确反映各地区夏季室外气候的变化趋势,而本研究提出的逐时系数法得到的设计日数据更符合典型城市的实测数据。
关键词:  蒸发冷却  室外设计计算参数  设计日  逐时系数法
DOI:
投稿时间:2023-04-26  修订日期:2023-07-05   录用日期:2023-08-03
基金项目:国家自然科学基金(51838011)资助项目。
Study on Generating Method of Outdoor Design Parameter for Evaporative Cooling Conditioning
Abstract:
Presents the determination methods of outdoor calculation parameters and design days in summer in the current code. Four typical cities are selected according to the adaptive zones of evaporative cooling technology. Based on the methods of the current code outdoor design calculation parameters for evaporative cooling with wet bulb temperature as the main and dry bulb temperature as the auxiliary are formed. At the same time, a new method for determining typical days is proposed. Based on the historical long-term observation data of stations, the characteristics and trends of outdoor climate diurnal variation in typical cities in summer are extracted, and the data of summer design days are obtained by using the hourly coefficient method. The results show that there is some deviation between the method in the current code and the new method. The method of current code cannot accurately reflect the variation trend of outdoor climate in summer in different regions, but the design day data obtained by the hourly coefficient method proposed in this study are more consistent with the measured data of typical cities.
Key words:  evaporative cooling  outdoor design calculation parameters  design day  hourly coefficient method

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