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	1. Heat transfer properties of the numerical human body simulated from the thermal manikin
	Li Jun,Wang Yunyi,Huang Ziwei,Lu Yehu,Zhao Mengmeng
	Textile Science and Technology 05 July 2013
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (0 B)

	Abstract:This paper seeks to predict the heat transfer properties of the numerical manikin. It also aims to establish a simplified clothing model based on computational fluid dynamics (CFD) to predict the temperature in air layers between thermal manikin and clothing under different environments. The field experiments of nude or clothed thermal manikin were conducted in a climatic chamber. The CFD method was employed to build a nude or clothed numerical manikin to simulate the field experiment. The distribution of temperature and the velocity field around the nude human body and heat transfer coefficients were simulated in the optimized numerical climate chamber with a temperature of 20oC and velocity of 0.05m/s. The temperature in air layers entrapped in clothing dressed on the torso of manikin was also predicted under the same environmental condition. The CFD results showed good agreement with that of the nude or the dressed thermal manikin experiment. It demonstrated that CFD could properly predict the heat transfer properties of indoor human and temperature distribution in the air layer between human body and clothing.
	TO cite this article:Li Jun,Wang Yunyi,Huang Ziwei, et al. Heat transfer properties of the numerical human body simulated from the thermal manikin[OL].[ 5 July 2013] http://en.paper.edu.cn/en_releasepaper/content/4550805


	2. Effects of Air Gap Entrapped in Multilayer Fabrics and Moisture on Thermal Protective Performance
	Li Jun,Wang Yunyi,Lu Yehu,Pan Jinhua
	Textile Science and Technology 05 July 2013
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (0 B)

	Abstract:Thermal protection of firefighter protective clothing is greatly influenced by the air gap entrapped and moisture in clothing. In this paper, the effects of air gap size and position on thermal protective performance exposed to 84kW/m2 heat source were investigated. Water was also added to thermal liner to understand the effect of air gap coupled with moisture on thermal protection. It was indicated that the TPP of fabrics system increased with the air gap size. The air gap position also greatly influenced the heat transfer during exposure to flash fire. Moisture added weakened the positive effect of air gap size when the air gap exists far from heat source, and almost eliminated the favorable effect of air gap position. However, when there is no air gap or small air gap between outer shell fabric and moisture barrier, moisture increased the thermal protection performance of multilayer fabrics system. The results obtained suggested that certain air gap entrapped in fabrics system and clothing microclimate could improve thermal protection, and the complicated effect of moisture should also be considered.
	TO cite this article:Li Jun,Wang Yunyi,Lu Yehu, et al. Effects of Air Gap Entrapped in Multilayer Fabrics and Moisture on Thermal Protective Performance[OL].[ 5 July 2013] http://en.paper.edu.cn/en_releasepaper/content/4550802

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