[Stoves] Turn down on FA-TLUD and ND comments

[Sujoy Chaudhury]

Dr Paul
You know me.
I have been promoting cooking solutions in West Bengal.
Is there a way we could discuss our learning in promoting your TLUD .
I have sunk all my savings in promoting clean cooking solutions and wish I
had a lead to talk about your product.
Regards
Sujoy Chaudhury
CSS
KOLKATA

On 15 Feb 2019 22:27, "Anderson, Paul" <psanders at ilstu.edu> wrote:

> Stovers,
>
>   At my home (after TLUD Summit), Suddha and I tested the difference of a
> central buff body (block the middle) versus a concentrator hole (block the
> edges when placed on the FABstove TLUD-FA when the power was turned down.
>
>
>
> ABSOLUTELY CLEAR that the concentrator is far far far superior than trying
> to block the center.
>
> Therefore, an easy turn-down with CLEAN combustion is accomplished by
> placing a concentrator over the top of the 100 mm diameter fuel chamber.
> The hole size is proportional to the turn down:  fewer gases need smaller
> hole.  50 mm hole seemed quite reasonable.
>
>
>
> How to place this concentrator onto a functioning FABstove is a
> question.   Options are
>
> 1.  to slide it in after turning down the air supply, or
>
> 2.  turn down air, pull out canister, place on a top, reinsert a
> canister.  Or
>
> 3.  fabricate a closure like on cameras (a diaphragm) – tricky and
> probably not functional because of metal weakness and high heat.
>
> 4.  Other solutions.
>
>
>
> NOTE:   This might only be used with certain cooking, such as wanting a
> slow simmer for a long time.   Using this could lengthen the time of
> operation of the stove to double or more.
>
> This is also good to know for when there is a larger fuel chamber.
>
>
>
> This has NOT been tested / compared regarding ND TLUDs.   There are at
> least two currently important designs.
>
> 1.  The Champion TLUD-ND has a concentrator hole.  A very simple solution.
> Not much further work done on it.
>
>
>
> 2.  The Wonderwerk TLUD-ND by Kirk Harris has the combustion toward the
> edges of the riser by having centrally supported blocking, with several
> great ways to enhance mixing.
>
>
>
> 3.  What is not tried is to alternate from hole to edge or edge to hole
> (and back again, plus fixed-blades etc to get the mixing better.   Might
> not work???   So the tests are to send to edges (block center) after the
> concentrator hole, OR to bring together after having been mixed at the
> edges.
>
>
>
> This might be a good boost for Norm’s larger TLUDs with ND.
>
>
>
> Fair game for anyone to try.  Please tell us your experiences here on the
> Stoves Listserv.
>
>
>
> Paul
>
>
>
> Doc / Dr TLUD / Paul S. Anderson, PhD
>
> Exec. Dir. of Juntos Energy Solutions NFP
>
> Email:  psanders at ilstu.edu       Skype:   paultlud
>
> Phone:  Office: 309-452-7072    Mobile: 309-531-4434
>
> Website:   www.drtlud.com
>
>
>
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