R_in 51.63[mm] "Radius of inflow pipe" R_LE 65[mm] "Radial position of impeller blade leading-edge" R_TE 139[mm] "Radial position of impeller blade trailing-edge" W_b 23[mm] "Impeller blade width" R_op 230[mm] "Radial position of outflow pipe" d_op 22[mm] "Diameter of outflow pipes" r_b 113.52[mm] "Local radius of impeller blade profile" r_LE 3[mm] "Local radius of impeller blade leading-edge" r_p 5.25[mm] "Local radius of impeller inflow fillet" T_b 6[mm] "Impeller blade thickness" delta_theta 91[deg] "Blade wrap angle"