Natural convection is a phenomenon in which density differences occur due to temperature differences and these density differences create a flow of fluid due to gravity $($heating reduces density and cooling increases density$).$ If there are two plates with both

In the natural convection

phenomenon, a density difference occurs

due to a temperature difference,

and this density difference creates a

oh the watt tivken theated, density decreases

and when cooled, density increases.

flow of fluid due to gravity.$)$ If

there are two plates with both ends

closed as shown in the picture below

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