Mixed convective heating of a moving plate in a parallel duct.

Heating or cooling of a moving surface can be encountered in various manufacturing processes involving the thermal treatment of materials. In this technical note, numerical simulations are employed to render the effects of the relevant physical parameters of the problem considered on the interaction between the shear-driven flow and the buoyant recirculating flow during the heating process of a moving plate. Results indicate that the sheardriven flowfields are strongly affected by the buoyancy force due to an increase of Grashof number. Moreover, a Grashof number increase tends to promote the upstream diffusion effect. Accordingly, the local Nusselt number on the top surface of the moving plate becomes less localized shifting in the upstream direction.