High-temperature and thermal radiation affecting human thermal comfort and physiological responses: An experimental study

热舒适性 热的 热辐射 辐射 材料科学 环境科学 建筑工程 工程物理 工程类 气象学 光学 物理 热力学
作者
Mengyuan He,Hong Liu,Zhaosong Fang,Bo He,Baizhan Li
出处
期刊:Journal of building engineering [Elsevier BV]
卷期号:: 108815-108815
标识
DOI:10.1016/j.jobe.2024.108815
摘要

Hot environments with high temperatures and thermal radiation are to be found in heat treating, glass melting workshops, etc., which impacts worker thermal comfort and physiological responses. The motivation of this study was to explore the changes of thermal comfort in a high-temperature and thermal radiation environment. Four experimental cases were designed to simulate high temperatures and thermal radiation. Physiological parameters such as skin temperature, ear cancel temperature, heart rate, and weight loss were investigated. Evaporative heat losses and skin wettedness were calculated by Gagge's two node model or weight loss. The results showed that local and mean skin temperatures increased by approximately 4 °C during the exposure. Thermal sensation vote was positively correlated with WBGT. The dynamic relationship between human heat gain, evaporative heat loss and potential thermal risk was framed as Stage A, Stage B, and possibly Stage C. This study could provide the basic information and theoretical evidence for the thermal comfort and thermal risk in high-temperatures and thermal radiation environment.
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