Cell model of biporous medium (membrane)

The hydrodynamic permeability of biporous medium (membrane) modeled by the set of porous particles located in the porous medium with other rheological properties is calculated using the cell method. All known boundary conditions on the cell surface, i.e., the Happel, Kuwabara, Kvashnin, and Cunningham boundary conditions, are considered. Significant limiting cases that lead to new or already known results are studied.