Vtot 1[V] Total potential drop over unit cell DNa 2.5e-9[m^2/s] Diffusion coefficient, Na DCl 2e-9[m^2/s] Diffusion coefficient, Cl T 298.15[K] Temperature cCl_0 0.5[mol/dm^3] Inlet concentration, Cl cNam 1[mol/dm^3] Membrane charge concentration, Na cClm cNam Membrane charge concentration, Cl sigma_m 1[S/m] Membrane conductivity v_avg 0.005[m/s] Channel average flow Velocity L 0.2[m]/20 Cell length W_ch 1[mm] Channel width W_m 0.25[mm] Membrane width