期刊
INTERNATIONAL JOURNAL OF BIOMETEOROLOGY
卷 53, 期 5, 页码 415-428出版社
SPRINGER
DOI: 10.1007/s00484-009-0226-3
关键词
Thermal comfort; Outdoor environment; Human; Physical activity; COMFA Model
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC)
This study assessed the performance of the COMFA outdoor thermal comfort model on subjects performing moderate to vigorous physical activity. Field tests were conducted on 27 subjects performing 30 min of steady-state activity (walking, running, and cycling) in an outdoor environment. The predicted COMFA budgets were compared to the actual thermal sensation (ATS) votes provided by participants during each 5-min interval. The results revealed a normal distribution in the subjects' ATS votes, with 82% of votes received in categories 0 (neutral) to +2 (warm). The ATS votes were significantly dependent upon sex, air temperature, short and long-wave radiation, wind speed, and metabolic activity rate. There was a significant positive correlation between the ATS and predicted budgets (Spearman's rho = 0.574, P < 0.01). However, the predicted budgets did not display a normal distribution, and the model produced erroneous estimates of the heat and moisture exchange between the human body and the ambient environment in 6% of the cases.
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