Finite volume solution of heat and moisture transfer through three-dimensional textile materials

Finite volume solution of heat and moisture transfer through three-dimensional textile materials
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通过三维纺织材料进行热量和水分传递的有限体积解决方案

DOI:
10.1016/j.compfluid.2011.11.010
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发表时间:
2012-03
期刊:
Computers & Fluids
影响因子:
--
通讯作者:
C. Ye
C. Ye
中科院分区:
其他
文献类型:
--
作者:
X.D. Hang;W. Sun;C. Ye

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本文基于多组分多相流模型,对三维服装组合体中的热湿传递进行了数值研究,该模型包括热湿对流、热湿传导、热湿扩散以及相变(冷凝/蒸发和纤维吸收)。针布组件使用一类通量型边界条件。为了保持物理守恒,提出了一种结构化六面体网格上的分裂半隐式有限体积法求解非线性对流扩散反应方程组,其中纤维吸收液态水含量的计算与其余计算解耦。四种类型的服装组件进行了研究,并与实验测量进行了比较。
This paper focuses on the numerical study of heat and moisture transfer in three-dimensional clothing assemblies, based on a multi-component and multiphase flow model, which includes heat/moisture convection and conduction/diffusion as well as phase change (in the form of the condensation/evaporation and vapor absorption by fiber). A class of flux type boundary conditions is used for the clothing assemblies. To maintain physical conservations, a splitting semi-implicit finite volume method on a structured hexahedron mesh is proposed for solving the system of nonlinear convection–diffusion–reaction equations, in which the calculation of liquid water content absorbed by fiber is decoupled from the rest of the computation. Four types of clothing assemblies are investigated and comparisons with experimental measurements are also presented.
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