期刊
JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING
卷 8, 期 2, 页码 563-569出版社
ARCHITECTURAL INST JAPAN
DOI: 10.3130/jaabe.8.563
关键词
convective heat transfer coefficient; human body, outdoor environment
资金
- Yeungnam University
This study was conducted to determine the convective heat transfer rates (alpha(c)) of each part of the human body and of the whole body when a human is In a standing or sedentary Posture in all outdoor environment. A wind tunnel was used to reproduce the side wind in all outdoor environment, and a naked thermal manikin was used to control the detailed thermal characteristics of the human body. Accurate radiation analysis was alpha(c)s of the whole body and of each part employed to evaluate the radiation effect of the thermal manikin. The alpha(c)s of the body increased along with the wind velocity in the standing and sedentary postures. In the standing position, the alpha(c)s of the head, feet, and hands, the terminuses of the human body, were about 20-30% higher than the average alpha(c) of the whole body. In the sedentary position, the alpha(c)s of the head, hands, and arms, the terminuses Of the human body, were about 20% higher than the average alpha(c) of the whole body. The alpha(c)s in tills Study were lower than those obtained From the climate chamber. Meanwhile, they were similar to Or slightly higher than those from the results in wind tunnels.
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