Magnetohydrodynamic (MHD) mixed convection and entropy generation in a C-shaped cavity filled by an electrically conducting fluid are investigated numerically using the finite volume method SIMPLE algorithm. In this work, we focus on effect of magnetic field characteristics flow, heat transfer for various values Richardson number (Ri = 0.1, 1 10), Hartmann (0 ≤ Ha 200), tilting angle (α); rangi...