In this work, we recall an isothermal version of the broadly accepted macroscopic continuum model of drying, and we impose flux boundary conditions at two interfaces, i.e., at the interface between the (gas-side) boundary layer and the (medium-side) dry region, as well as the interface between the dry and unsaturated regions which evolves freely during drying. Local relative humidity, local saturation as well as local transport parameters are computed from microscopic pore network simulations. This dataset is then employed to compute fluxes that couple the internal and external mass transfer in the continuum model. Decisive advantages of this approach over the classical method are that the continuity of the mass flux at the drying front and the porous medium surface is ensured and that the continuum model parameters are computed directly from pore network simulations – no need for any empirical correlation. Derivation of the macroscopic parameter functions from the pore network simulations for use in the continuum model raises issues of averaging intervals and treatment of the dataset. Operation of the continuum model is very sensitive upon the moisture transport coefficient in the totally or partially saturated zone of the porous medium. A hybrid method is introduced to control the effect of the sensitivity of the continuum model on the macroscopic parameters. By punctually adjusting the dataset in the high saturation period, the continuum model provides a stronger agreement with pore network simulations, which shows that the underlying transport phenomena are better preserved in the scattered dataset that the new hybrid method provides.

在这项工作中，我们回顾了广泛接受的宏观连续干燥模型的等温形式，并在两个界面（即（气体侧）边界层和（中侧）之间的界面）施加了通量边界条件。干燥区域以及干燥区域与不饱和区域之间的界面，该界面在干燥过程中自由地演变。局部相对湿度，局部饱和度以及局部输运参数是通过微观孔隙网络模拟计算得出的。然后，使用该数据集来计算通量，该通量耦合连续模型中的内部和外部质量传递。与传统方法相比，此方法的决定性优势在于，可以确保干燥前沿和多孔介质表面的质量通量连续，并且可以直接从孔网络模拟中计算出连续模型参数-无需任何经验相关性。从连续网络模型中使用的孔网络模拟中导出宏观参数函数会引起平均间隔和数据集处理的问题。连续模型的操作对多孔介质全部或部分饱和区域中的水分传输系数非常敏感。引入了一种混合方法来控制连续模型的敏感性对宏观参数的影响。通过在高饱和期准时调整数据集，