Physiological thermal response of human body in air conditioning environment

Jian Yiwen, Hou Yuchen and Chang Xiaoyan

2019.09.17

  In an artificial climate room, continuously measures the indoor ambient temperature and the local skin temperatures of six parts of the human bodies in three kinds of air conditioning environments, in which the room temperature decreases from 29 ℃ to 23 ℃, 25 ℃ and 27 ℃ respectively. Meanwhile carries out a subjective questionnaire survey. Studies the variation characteristics of local skin temperature, local thermal sensation and overall thermal sensation in air conditioning environment and their correlations by means of grey correlation analysis. The results show that both skin temperature and thermal sensation vary dynamically, and the decreasing range expands and the stable time prolongs with the decrease of environmental control temperature. There is a significant linear correlation between local skin temperature and local thermal sensation when the control temperature is 23 ℃ and 25 ℃, respectively, and the linear correlation decreases at 27 ℃. Finds that the foot and calf significantly contribute to overall thermal sensation in the air conditioning environment compared with other body parts, and the importance of the influence increases with the increase of the cooling rate of the air conditioning environment.