Thermal adaptation model of transition seasons in hot summer and cold winter zone

Based on the national thermal comfort survey database, the thermal comfort of human body in natural ventilation environment in hot summer and cold winter zone is studied, the thermal environment parameters and subjective thermal response of human body in representative cities Shanghai and Wuhan are analysed, the thermal sensation evaluation models and thermal adaptation models of the two cities are established, and the thermal neutral temperature and the acceptable temperature range of human body are obtained. The results show that the upper limit of acceptable temperature of human body in natural ventilation environment is higher in Shanghai and Wuhan, and the upper limit of acceptable temperature for 80% of the people is 30.7 ℃. A thermal adaptation model of natural ventilation environment in hot summer and cold winter zone in transition season is obtained. Through multivariate linear regression analysis, it is found that the indoor air temperature and clothing thermal resistance are the significant factors influencing the human thermal sensation in Shanghai, while the indoor air temperature, relative humidity and clothing thermal resistance are the significant factors in Wuhan, and indoor air temperature is the most significant factor in two cities.