Rhf 0.2[mm] Inner radius, hollow fiber Lm 0.08[mm] Thickness, membrane Lpc 0.42[mm] Width, concentric permeate channel H 21[mm] Length, fiber D 1e-9[m^2/s] Diffusion constant, liquid phases Dm 1e-9[m^2/s] Diffusion constant, membrane K 0.7 Partition coefficient c0_dia 1[mol/liter] Inlet concentration, dialysate c0_per c0_dia*0.1 Inlet concentration, permeate c0_mem 0[mol/liter] Initial concentration, membrane Uave_dia 0.5[mm/s] Average velocity, dialysate Uave_per 0.8[mm/s] Average velocity, permeate