[Stoves] Fwd: RE: Explaination of downdraft in TLUD updraft stoves ---was--Re: Mis-information

[alex english]

Kirk,
A powerful  forced air venturi could absolutely pull down on the gasses as
you have drawn.  He has quite a swirl in that Nova Video. That tall flame
is starved for O2 in the center. If there is any mass separation of the
gasses by gravity or centrifuge the C02 is heaviest then O2,  then N2 and
CO. Could they be differentially heated??  I see glowing embers at the
edges. The so called flame cap does not extend to the outer edges. It would
be very O2 rich there and relatively cold. Some of that could easily end up
reacting lower down.

Alex
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