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阐述了气候变化背景下用于确定室外计算干球温度的气象数据统计时长的方法。基于确定统计时长的两个基本原则,根据标准差方法和最优气候均态模型,分别确定室外计算干球温度最小统计时长和气象要素最优平均数,通过两者的对比选取室外计算干球温度统计时长。以天津为例进行分析,结果表明,天津地区基于ASHRAE方法的累积发生频率为0.4%,1.0%和2.0%干球温度的统计时长应取15年,累积发生频率为99.0%和99.6%干球温度的统计时长应取10年;基于中国方法的供暖室外计算温度、冬季空调室外计算温度和夏季空调室外计算干球温度的统计时长分别应取13,10和15年。
The method to determine the statistic duration of meteorological data used to determine the dry bulb temperature of outdoor calculation under the background of climate change is expounded. Based on two basic principles of determining the statistical duration, the minimum statistical dry bulb temperature and the average meteorological factor of the outdoor bulb were calculated respectively according to the standard deviation method and the optimal climate mean model. Temperature statistics duration. Taking Tianjin as an example, the statistic results show that the statistic duration based on the ASHRAE method of cumulative incidence of 0.4%, 1.0% and 2.0% of the dry-bulb temperatures in Tianjin should be 15 years, with the cumulative frequency of 99.0% and 99.6% The statistic duration of temperature should be 10 years. The statistic duration of heating calculation based on Chinese method, outdoor calculation temperature in winter air-conditioning and dry-bulb temperature calculation in summer outdoor air-conditioning should be 13, 10 and 15 years respectively.