Influence of arm angular motion on clothing local thermal insulation

被引：0
|
作者：
Xiao P. [1 ,2 ,3 ]
Zhang Z. [1 ,2 ,3 ]
Zhou Y. [1 ,2 ]
Liu J. [1 ,2 ]
Tang H. [1 ,2 ]
机构：
[1] College of Fashion and Design, Donghua University, Shanghai
[2] Key Laboratory of Clothing Design and Technology, Ministry of Education, Donghua University, Shanghai
[3] Shanghai Institute of Design and Innovation, Tongji University, Shanghai
来源：
Fangzhi Xuebao/Journal of Textile Research | 2020年 / 41卷 / 02期
关键词：
Air gap volume; Arm activity angle; Clothing comfort; Clothing thermal insulation; Contacting area;
D O I：
10.13475/j.fzxb.20190103306
中图分类号：
学科分类号：
摘要：
To investigate the influence of arm angular motion on local air gap distribution and clothing heat transfer performance, a 3-D scanner was utilized to quantify the local air gap volume and contacting area of 12 body segments of a sweating manikin under six arm postures. An index to describe the activity space of human body was established and the clothing local thermal insulation was measured as well. The results show that the protraction angles of arm are significantly positively correlated with contacting area, but negatively correlated with air gap volume. The activity space of human body is dramatically decreased with the increase of arm protraction angle. The local thermal insulation of body segments displays an uneven distribution state, which body segments with bigger air gap volumes and smaller contacting areas show greater effective thermal insulation. The effective thermal insulation of clothing could be predicted by air gap volume and contacting area proportion. Copyright No content may be reproduced or abridged without authorization.
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页码：109 / 114
页数：5
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