rho_s 1180[kg/m^3] Density of solid particles rho_f 1253[kg/m^3] Density of pure fluid eta_f 0.5889[Pa*s] Viscosity of pure fluid phi_max 0.64 Maximum packing phi0 0.35 Average concentration R 0.397[mm] Particle radius RPM 55[1/min] Revolutions per minute c_vel 2*pi*RPM Scaling of velocity u_st (2/9)*(-g_const)*R^2*(rho_s-rho_f)/eta_f Settling velocity D1 0.41*R^2 Model parameter D_phi D2 0.62*R^2 Model parameter D_mu