偏冷环境下不同身体质量指数人群热舒适对比研究
Comparative study on thermal comfort of people with different body mass index in colder environment
摘要：
传统的热舒适标准未考虑我国持续增长的超重或肥胖人群对热舒适的需求,这可能对人体舒适度和建筑节能产生重要影响。本文探讨了不同身体质量指数(BMI)人群在偏冷环境下的主观反应和生理反应的差异。结果显示:高BMI人群的平均皮肤温度显著低于低BMI人群,且随着温度的下降而下降;在偏冷环境下,高BMI人群的代谢率比低BMI人群低,尽管没有显著性差异,但会导致比低BMI人群具有更高的热不满意百分比;在预测热感觉时需要对不同BMI人群分别进行预测。
Abstract：
The traditional thermal comfort standards do not consider the demand for thermal comfort of the growing overweight or obese population in China, which may have an important impact on human comfort and building energy saving. This paper investigates the differences in subjective and physiological responses of people with different body mass index (BMI) in the colder environment. The results show that the average skin temperature of people with high BMI is significantly lower than that of people with low BMI, and decreases with the decrease of temperature. The metabolic rate of people with high BMI is lower than that of people with low BMI in the colder environment, although there is no significant difference, it would lead to a higher percentage of thermal dissatisfaction than people with low BMI. When predicting thermal sensation, it is necessary to predict the thermal sensation of different BMI people, respectively.
Keywords:colder environment; body mass index (BMI); thermal comfort; thermal sensation; subjective response; physiological response