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Numerical solutions of unsteady laminar free convection from an incompressible viscous fluid pas a body with curved surfaces is presented in this study. Such immersed-body flows are commonly encountered in engineering studies e.g in aerodynamics (airplanes, rockets, and projectiles), hydrodynamics (ships, submarines, torpedoes) among many others. The dimensionless governing equations of the flow that are unsteady and non-linear are solved by an efficient, accurate and stable finite differences scheme of Crank-Nicolson type. The velocity and temperature fields have been studied by varying the...