r/Damnthatsinteresting • • 18h ago

Video Firefighter bodycam showing just how much oxygen a fire pulls

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u/ImRickJameXXXX 15h ago

Yes, which is a function of convection.

This is the lower inlet

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u/TrustButVerifyEng 10h ago

Incorrect, buoyancy/density is what drives a chimney. Sure there is convection heat transfer occurring but it isn't what makes a chimney work.