Quote:
Originally Posted by AC_Hacker
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jeff5may, I think the real crux here is that he keeps talking about "still air", and it simply does not exist... not until absolute zero.
Since his imagined model is based on still air, his imagined advantages do not exist either.
-AC
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Ah, come on, AC!
The atoms may be moving within the air molecules but the air substance may be stationary, at zero velocity, for heat transfer purposes.
Natural convection is a gravitionual phenomenon that may cause motion in an otherwise still air mass at differing surface temperatures.