4.7 Article

Hybrid forced-buoyancy convection in a channel with a backward facing step

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Summary: This study investigates typical problems of internal non-isothermal flow using a simplified geometrical model of a forward-facing step in an elongated duct. The sensitivity of the system to thermal buoyancy is explored by varying the Rayleigh number over a large interval and assuming different bottom boundary conditions. Different flow patterning behaviors, thermal plume generation phenomena, and heat exchange intensity at the walls are revealed in the (Ri, Ra) space.

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