[Stoves] SSNB4 T-LUD reported by Kevin

[Paul S. Anderson]

Daniel,

Thanks for the clarification.  And we are so glad that you are well into
gasifiers and stoves!!

You and Kevin share the same last name.  Are you relatives, and do you work
together?

Paul

-- 
Paul S. Anderson, Ph.D., Geography professor - Emeritus
Telephone:  USA-309-452-7072 (residence and office)
Internet site:  www.ilstu.edu/~psanders
For my gasifier stoves info, go to:
http://bioenergylists.org/contributors#Paul_Anderson


Quoting Daniel Chisholm <dmc at danielchisholm.com>:

> Paul Anderson wrote:
>
> [snip]
>
>> A larger T-LUD has been made by Alex English (about 2000, I think).
>> But I have
>> not heard of any shooting flames 8 feet high.
>
> FWIW, it wasn't operating as a T-LUD in the posted picture, it was
> operating in updraft mode there.  I threw it together as an experimental
> gasifier rig (it's a 12" diameter stainless cylinder, with an open top,
> and a 4" diameter air-in or gas-out port at the bottom, and some crude
> grating provisions).
>
>
>> You reported that the event lasted about 15 minutes, which is rather 
>> short for
>> people to "gather 'round the fire for warmth and fellowship," but 
>> about right
>> for a "flaming spectacular."
>
>
> In the picture that was posted, we were running in a "let's be silly and
> make a big fire" mode.  Air was admitted into the bottom with a
> gas-powered leafblower.  SV was (way!) too high, a lot of fuel pellets
> were being ejected out the top.
>
> Earlier that evening we ran it at lower air feed rates (up to the onset
> of bed fluidization, which was really neat to observe) in T-LUD mode.
> While not as spectacular for the assembled guests, it was much more
> interesting to me, in that you could distinctly see the separate gas
> generation and gas burning zones, with nonburning gas in between.
> Setting a lid on the top with a ~1.5" outlet hole produced a nice gas
> jet that supported a stable flame that burned reasonably cleanly.
>
> For some reason though the "flaming spectacular" mode of operation
> proved more interesting to my guests ....? ;-)
>
>
>> I hope you will encourage you T-LUD maker friend to contact us.  I am
>> sure he or
>> she has more stories to tell.  Also, I am curious about how he/she 
>> got started
>> with T-LUDs.  (In my former life as a geography professor, one topic of
>> interest was the spread of innovations.  Now I have that interest concerning
>> the spread of gasifiers and other stove technologies.)
>
> I got started via the gasification list (and this one to a lesser
> extent) a few months ago.  Am interested in burning local cedar sawmill
> waste (in chip form), both in a wood boiler furnace application and also
> in a (~5-50kW) gasifier-engine-generator application.  In a more serious
> mode, I've run the test rig with a 50cfm bathroom fan, throttled to
> produce outputs on the order of a few Nm^3 per hour.  As a simple
> stratified charge downdraft gasifier, this produces a far-too-low S.V.,
> which really shows (quite a sooty gas).
>
>
> --
> - Daniel
> Fredericton, NB  Canada
>
>
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