纤维表面Zeta电位对多孔纤维材料透湿性能的影响

考虑双电层效应对多孔纤维材料热湿传递的影响,根据双电层的Poisson-Boltzmann方程和液体运动的Navier-Stokes方程建立模拟多孔纤维材料热湿传递过程的数学模型,并给定初始条件和边界条件,数值计算了多孔纤维材料热湿传递过程中温度和电解液体积百分比的分布。和实验结果的对比表明该数学模型能很好的反映多孔纤维材料热湿传递过程,也显示出双电层效应对多孔纤维材料热湿传递过程存在影响。

Effects of Zeta Potential on the Liquid Moisture Permeability in Porous Fibrous Media

Based on the Poisson Boltzmann equation for electric double layer and Navier Stokes equation for the flow of liquid, a mathematical model to simulate the complex coupled heat and moisture transfer in porous fibrous media with consideration of the effects of electric double layer is presented. With specification of initial and boundary conditions, the distributions of the temperature and liquid water content in the porous fibrous media were numerically computed. The comparison with a series of experimental measurements, which shows the superiority of this model in resolving the coupled heat and liquid moisture transfer in porous fibrous media, illustrates that the heat and moisture transfer process is influenced by the electric double layer.