[Stoves] Flame center go down into the combustion chamber

[Muhammad Nurhuda]

Dear Julien and all,

The combustion mechanism in our stove is based on the assumption: the
pressures in combustion or gasification zones are lower than ambient
pressure. By reducing the flow of primary air, or even completely close the
primary air,  apart of secondary air will be utilized to gasify the fuel.
That creates flame which seems pulled down toward fuels in lower burning
chamber. In case of natural draft, we design the burning chamber in such
geometrical shapes, that the secondary air is directed toward the fuels.

We have sent a sample of pellet stove in 2013 to Approvecho for test. You
may ask probably the stove is still there.

Regards
M. Nurhuda
On Mar 10, 2016 10:10 AM, "Julien Winter" <winter.julien at gmail.com> wrote:

> Dear Muhammad Nurhuda;
>
> Your forced and natural draft UB stoves are very interesting.  One of
> these days, I wonder if you could share with the "Stoves" list a brief
> document describing how they were developed, and what you learned in the
> process.
>
> Cheers,
> Julien.
>
> --
> Julien Winter
> Cobourg, ON, CANADA
>
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