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7439788 
Meetings & Symposia 
Using personalized fan to shorten the recovery process of thermal comfort and lift work concentration after moderate level of exercise 
Ju, X; Ju, Y; Cao, B; Chen, C; Deng, Y 
2020 
International Society of Indoor Air Quality and Climate 
16th Conference of the International Society of Indoor Air Quality and Climate: Creative and Smart Solutions for Better Built Environments, Indoor Air 2020 
English 
Human bodies continuously build up new thermal balance due to the changes of their activity type, emotion and thermal history, etc. A very limited number of literatures focused on metabolic rate, and far fewer among them discussed impacts of metabolic rate changes on thermal comfort in transient spaces or circumstances. By conducting a series of well-controlled laboratory experiments with an ambient temperature of 28℃ where subjects ride spin bicycles to simulate moderate exercise, we found: a) the recovery process of thermal comfort after moderate exercise was longer than that of heart rate or metabolic rate; b) personal-controlled desk fan had a positive effect on shortening the recovery process after exercise; c) a 'sensation bounce' phenomenon was observed from several subjects; d) the work concentration increased after moderate level of exercise with fan cooling. © 2020 16th Conference of the International Society of Indoor Air Quality and Climate: Creative and Smart Solutions for Better Built Environments, Indoor Air 2020. All rights reserved. 
Cooling fan; Dynamic thermal comfort; Moderate physical exercise; Transient space; Work productivity