h_coil 15[cm] Length of the coil r_coil 10[cm] Inner coil radius R_coil 13[cm] Outer coil radius T_in 400[degC] Initial billet temperature N_coil 10000 Number of coil turns u_trans 4[cm/s] Billet translational velocity T_amb 20[degC] Ambient temperature emissivity 0.5 Billet surface emissivity dx_part 0[m] Displacement (x) dy_part 0[m] Displacement (y) rot_part 0 Rotation f0 50[Hz] AC current frequency