Open fires allows heat to travel into the room.
How do Wood stoves work as they are closed? Doesn’t the heat just go up?
In: Physics
Three basic types of heat transfer are: Radiant, conduction, convection.
Open fires heat mainly by radiant heat, meaning heat is given off in the surrounding area of the flame. (Convection heat transfer, too, which is direct or near direct flame impingement and/or above of the flame, but you’d have to stick your hand in or above the flame to feel the heat)
Wood stoves use all three types of heat transfer, especially conduction. They are mainly made of iron which very adaptive to heat transfer to heat the air and nearby objects in a space, like a room.
This photo shows the three, so just imagine the fire poking rod is the entire wood stove heating up…. https://maxinsulation.us/wp-content/uploads/2014/09/Heat-Transfer.jpg
So, wood stoves are highly more efficient for amount of wood burned.
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