eps_p 0.6 Porosity a 10[um] Average pore radius eta 1e-3[Pa*s] Dynamic viscosity eps_w 80.2*epsilon0_const Electric permittivity zeta -0.1[V] Zeta potential p1 0.01*1.013e5[Pa] Inlet pressure k_p eps_p*a^2/(8*eta) Prefactor, flow-velocity pressure term k_V eps_p*eps_w*zeta/eta Prefactor, flow-velocity electroosmotic term kappa 3.5e-4[S/m] Electric conductivity V1 50[V] Anode potential sigma 0.2[mm] Concentration-profile peak width x_m 3[mm] Concentration-profile peak position D 1e-9[m^2/s] Diffusion coefficient T 298[K] Temperature z 1 Tracer ion charge number