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首页> 外文期刊>Journal of fiber bioengineering and informatics >A Model of Heat and Moisture Transfer through Parallel Pore Textiles
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A Model of Heat and Moisture Transfer through Parallel Pore Textiles

机译：平行孔纺织品的热湿传递模型

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摘要

Textile is certainly a complex multi-pore structure, which can be described as parallel pore structure or pellets accumulation pore structure. The heat and moisture transfer through textile is affected by its structure. Based on the parallel pore structure of textile and a system of human-textile-environment, this paper reports a model of heat and moisture transfer through parallel pore textiles. It is a system of coupled ordinary differential equations on temperature, water vapor pressure and water vapor mass flux through textile and condensation on the surface of textile. By solving the coupled ordinary differential equations, three formulae are acquired to describe temperature, water vapor pressure from human skin surface to environment and water vapor transfer through textile respectively. Then we obtain the numerical solution of temperature and the rate of condensation by finite difference method (FDM). Numerical simulation is achieved for down and polyester material in order to verify the validity of methods. The numerical results are well matched with the experimental data on the "Walter" Manikin.
机译：纺织品肯定是复杂的多孔结构，可以描述为平行孔结构或颗粒堆积孔结构。通过纺织品的热量和水分传递受其结构的影响。基于纺织品的平行孔结构和人-纺织-环境系统，本文报告了通过平行孔隙的纺织品传热和水分传递的模型。它是一个通过温度，水蒸气压力和水蒸气通过纺织品的通量以及纺织品表面凝结的常微分方程的耦合系统。通过求解耦合的常微分方程，获得了三个公式来分别描述温度，从人的皮肤表面到环境的水蒸气压力以及水蒸气通过纺织品的传递。然后通过有限差分法（FDM）获得了温度和冷凝速率的数值解。对羽绒和聚酯材料进行了数值模拟，以验证方法的有效性。数值结果与“ Walter”人体模型上的实验数据很好地匹配。

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