Buoyancy effects in a wall jet over a heated horizontal plate

What is it about?

A fluid jet spreads over a horizontal solid surface hotter than the ambient. Buoyancy forces acts on the jet and modifies its flow properties until it reaches a self-similar structure far from the jet exit. This self-similar solution is described and checked in this work.

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Why is it important?

Buoyancy driven flows are relevant in several technological applications and natural phenomena. The self-similar solution allows a better understanding of these flows and facilitates heat transfer and skin friction computations.