[Stoves] venturi system -ratios of air and gas?

[ajheggie at gmail.com]

[Default] On Sat, 9 Jan 2016 08:48:50 +0200,Philip Lloyd
<plloyd at mweb.co.za> wrote:

>When you get to a stoichiometric flame, all the combustion takes
>place at the blue cone - the almost invisible "flame" above it is mainly hot
>gas radiating; minimal combustion takes place there.


Good point which I hadn't considered.

My high school definition of a flame was that it was "an area of
combining gases" so this paler visible effect is in fact outside the
flame?

Andrew