Thermal Perception and Physiological Responses under Different Protection States in Indoor Crowded Spaces during the COVID-19 Pandemic in Summer

被引:5
|
作者
Liu, Tao [1 ]
Shan, Xiaofang [1 ,2 ]
Deng, Qinli [1 ,2 ]
Zhou, Zeng [3 ]
Yang, Guang [4 ]
Wang, Jue [4 ]
Ren, Zhigang [1 ,2 ]
机构
[1] Wuhan Univ Technol, Sch Civil Engn & Architecture, Wuhan 430070, Peoples R China
[2] Wuhan Univ Technol, Sanya Sci & Educ Innovat Pk, Sanya 572024, Peoples R China
[3] Wuhan Univ, Sch Urban Design, Wuhan 430072, Peoples R China
[4] Liaoning Tech Univ, Sch Civil Engn, Fuxin 123000, Peoples R China
基金
中国国家自然科学基金;
关键词
thermal comfort; wrist skin temperature; pulse rate; different protection states; indoor crowded spaces; BODY SKIN TEMPERATURES; COMFORT PREDICTION; HEART-RATE; MASKS;
D O I
10.3390/su14095477
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Currently, people in crowded indoor spaces are required to wear a variety of personal protective equipment to curb the spread of COVID-19. This study aimed to investigate the effects of wearing four types of personal protective equipment (unprotected, wearing masks, wearing face shield and wearing medical protective clothing) on human thermal perception and physiological responses in indoor crowded spaces in summer. The experiment was conducted in a climate chamber designed to simulate the indoor crowded spaces. Environmental parameters of climate chamber (air temperature, relative humidity and wind speed), physiological parameters of subjects (wrist skin temperature and pulse rate), and subjective perceptions (thermal sensation and thermal comfort) were collected during the experiment. The experimental results showed that medical protective clothing has the most obvious blocking effect on heat exchange between human and environment. Thermal sensation in state 4 (wearing medical protective clothing) was significantly (p < 0.05) higher than that in other states. The study of physiological parameters showed that the wrist skin temperature and pulse rate under different protection states increased with the increase of room temperature. Through regression analysis, the thermal sensation estimation model of protective personnel in indoor crowded spaces based on wrist skin temperature and pulse rate was established. The adjusted R-2 and RMSE of all models were above 82% and less than 1, indicating that the established thermal sensation model had a good prediction effect.
引用
收藏
页数:15
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