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Wondering if this falls in the category of convection as a mode of heat transfer? Yes. You are discussing heat transfer due to air traveling through a crack in a wall. Any heat transfer due to a moving fluid is convective heat transfer. If there is wind, then it is further categorized as forced convection. If there is no wind, just bouyancy ...


My guess, if the source of heat is in the centre of the room, is a mixture of radiation directly to the walls, plus convection of the air to the walls. When the heat gets to the walls, it's conduction through the walls, unless there are holes, cracks or vents in the walls, when it's convection of air through the walls. Warm air moves outwards, from the ...

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