Journal of Textile Research ›› 2022, Vol. 43 ›› Issue (08): 189-196.doi: 10.13475/j.fzxb.20210400108

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Research progress on thermal comfort of infant bedding

JIANG Shu1, LI Jun1,2()   

  1. 1. College of Fashion and Design, Donghua University, Shanghai 200051, China
    2. Key Laboratory of;Clothing Design and Technology, Ministry of Education, Donghua University, Shanghai 200051, China
  • Received:2021-04-01 Revised:2021-07-07 Online:2022-08-15 Published:2022-08-24
  • Contact: LI Jun E-mail:lijun@dhu.edu.cn

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Abstract:

Considering the improvement of the thermal physiological comfort of infants, as well as the establishment of infant bedding thermal comfort evaluation system, this paper reviewed previous researches on the thermal comfort of infant bedding. Based on the analysis of the heat transfer mechanism between the infants and the environment, the influencing factors and test methods for the thermal comfort of the infant bedding were discussed. Besides, the research trend in the field was proposed. Previous researches revealed that the thermal equilibrium of the infants was achieved mainly through the conductive, convective, radiative heat exchange between the surface of the infants and the environment. Moreover, the heat transfer coefficients at the infant skin surface were significantly greater than those of the adults. Excessive thermal protection given by the infant bedding, head covering and prone posture of the infants were likely to cause heat stress for the infants during sleep. Baby thermal manikin was considered as the most ideal device for the research on thermal comfort of infant bedding. In the future, the studies are supposed to focus on the heat and mass transfer process of bedding, numerical simulation on the mechanism of the heat transfer between infants and the environment, and the establishment of the thermoregulation model for infants.

Key words: infant bedding, thermal comfort, heat stress, baby thermal manikin, thermal insulation

CLC Number: 

  • TS941.73

Fig.1

Heat transfer mechanism between infant and environment"

Fig.2

Tucking methods. (a) Loose tucking; (b) Firm tucking"

Tab.1

Typical infant thermal manikin"

来源 制造单位 假人参数 优缺点
文献[6] 隆德大学
(瑞典)		 质量:1 003 g;表面积:0.09 m2;身高:40 cm
材料:聚酯塑料覆盖聚酯泡沫
8区段		 优点:头部与躯干均分为前后2个区段,考虑了传导与对流辐射热传递的差异
缺点:无法测量蒸发热损失
文献[43] 隆德大学
(瑞典)		 质量:5 700 g;表面积:0.311 m2;身高:60 cm
材料:聚酯塑料覆盖聚酯泡沫
8区段		 优点:头部与躯干均分为前后2区段,考虑了传导与对流辐射热传递的差异
缺点:无法测量蒸发热损失
文献[42] 亚眠大学
(法国)		 质量:1 400 g;表面积:0.15 m2
材料:铜制,涂覆亚光黑色
6区段		 优点:可考察各区段干热损失,被较早地用于研究头部覆盖、姿势等因素带来的影响
缺点:区段分割较少;无法测量蒸发热损失
文献[34] 亚眠大学
(法国)		 质量:900 g;表面积:0.086 m2
材料:铜制,涂覆亚光黑色
6区段
可覆盖棉质皮肤衣		 优点:出汗孔多,可测量蒸发热损失
缺点:区段分割较少;棉质皮肤衣影响湿阻测量结果的准确性
文献[45] 文化女子
大学(日本)		 表面积:0.47 m2(含头),0.40 cm2(不含头);身高:84 cm
材料:玻璃纤维外壳、加固塑料
16区段
32个出汗孔,出汗量为2942 184 g/(h·m2)
覆盖棉针织套装与Gore-Tex皮肤衣		 优点:区段划分多,可考察局部散热;Gore-Tex皮肤衣保证水以气态形式散出,提高湿阻测量结果准确性
缺点:没有头部区段,无法测量帽子或全身总热损失;难以模拟低水平出汗

Fig.3

Typical baby thermal manikin. (a) Thermal manikin from Lund University (height 40 cm); (b) Thermal manikin from Lund University (height 60 cm); (c) Thermal manikin from University of Picardie Jules Verne; (d) Sweating thermal manikin from University of Picardie Jules Verne; (e) Sweating thermal manikin from Bunka Gakuen University"

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