Measures the indoor environmental parameters such as air temperature, mean radiant temperature, relative humidity and air velocity, and investigates the thermal sensation of subjects by questionnaires. Establishes the relationship between the thermal sensation and the indoor operative temperature. In summer, people have higher tolerance of higher temperature than PMV predicted. In winter, people adapt to colder environment, and would feel discomfort if the indoor temperature is higher, and their actual thermal sensation voting value is greater than PMV predicted. Because of the differences in heating conditions, people long living in the southern parts of China have better adaptability to cold environment than those living in the northern parts.%测试了空气温度、平均辐射温度、相对湿度、风速等环境参数,采用问卷的形式调查了受试者的主观热感觉,建立了热感觉与室内操作温度的对应关系.在夏季,人们对偏热环境的耐受力强于PMV预测结果；在冬季,人体对于偏冷环境具有适应性,若室内温度偏高,人会感觉不适,实际热感觉高于PMV预测值；由于供暖条件的差异,长期生活在我国南方的人冬季对于偏冷环境的适应性要强于北方人.
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