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针对不同国家的专家学者对室外空气计算参数认识和计算确定方法的不同,在对比分析各国规范关于室外空气计算参数确定方法的基础上,以天津气象站30 a气象观测资料为依据,分别按照不同国家的确定方法对天津市的室外空气计算参数进行比较分析.计算结果表明:各国室外空气计算参数的形式和统计年限有所差异,中国基于固定不保证时长的规范与英美等国基于浮动不保证率的确定方法不同,地域气候条件是影响室外空气计算参数确定方法的关键因素;英美等发达国家关于室外空气计算参数的确定方法并不优于中国现行的规范标准.
According to the difference of understanding and calculation of outdoor air calculation parameters by experts and scholars in different countries, based on the comparative analysis of the methods of determining the calculation parameters of outdoor air in various countries and the meteorological observation data of 30 days of Tianjin weather station, The calculation of the outdoor air parameters in Tianjin is comparatively analyzed.The results show that the forms and statistical years of outdoor air calculation parameters are different in different countries, The determination of the rate is different, the regional climate conditions are the key factors that affect the method of determining the outdoor air calculation parameters. The determination methods of the outdoor air calculation parameters in developed countries such as Britain, the United States and the United States are not superior to China’s current normative standards.