[Stoves] TLUD Design Bachelor Theisis

Todd Albi todd.r.albi at gmail.com
Tue Sep 18 12:27:05 CDT 2018


Paul:

Interesting, your responses to # 3 & 5.  We all are aware TLUD's can be
re-fueled while burning, by lifting pot.  If you meant *without lifting pot
with* *some* *TLUD's *your assumption is somewhat more accurate, however
there are numerous TLUD's commercially available with both additional side
feeds and inclined side feeds available to re-fuel stove while burning
without lifting pot.  Sold one Yesterday.   Here are 2 videos below of such
commercially available TLUD's we offer and there are others.  We sell
several models that can be fed fuel with out removing pot while burning.

<goog_1415057626>
 https://www.youtube.com/watch?time_continue=61&v=sacsVGb1Qg0
<https://www.youtube.com/watch?time_continue=61&v=sacsVGb1Qg0>

https://www.youtube.com/watch?time_continue=10&v=pII6wdKyuV0

We have a 1 meter tall fan TLUD that is very stable and extremely powerful,
however do to safety issues with ignition we did not continue unit to
production.  It was stable as a platform for cooking and during operation.
Complete and even combustion of fuel in a tall cylinder were the
problematic variables.  We experienced erratic combustion and it required
precise top lighting that we ultimately decided was too problematic for
general population.

Todd Albi, SilverFire

On Tue, Sep 18, 2018 at 9:44 AM, Anderson, Paul <psanders at ilstu.edu> wrote:

> Dear Hans-Christian,
>
> Thanks for writing.   Because it is a general request, I sending this
> reply to TLUD stove developers who are on the Stoves Listserv (which you
> could consider joining).   Others have some answers that are beyond my
> knowledge, and they can write to you directly (maybe with copy to the
> Stoves Listserv to which you are not yet subscribed).
>
> See reply below
> > -----Original Message-----
> > From: Hans-Christian Schomburg <hans-christian.schomburg at st.ovgu.de>
> > Sent: Tuesday, September 18, 2018 9:16 AM
> > To: Anderson, Paul <psanders at ilstu.edu>
> > Subject: TLUD Design Bachelor Theisis
> >
> > Dear Dr. Anderson,
> >
> > In reference to your paper “Construction Plans for the “Champion-2008”
> > TLUD Gasifier Cookstove”, I am writing you this email regarding some
> > questions. My name is Hans-Christian Schomburg and I am studying
> > Mechanical Engineering (Bachelor) at Otto von Guericke-University,
> > Magdeburg. Part of my Bachelor thesis contains research and design of a
> > TLUD. I would be very glad, if you could help me concerning my questions.
>
> It is wonderful to have the younger generation becoming involved.   Please
> continue your efforts.
> >
> > 1. Is it possible burning the char in a separate pyrolysis?
> That wording is not clear.  In a separate STOVE, yes.   Use one for
> charcoal burning.   But it would not be a continuation of pyrolysis, which
> is a separate process that ends when the batch has been pyrolyzed and the
> char is produced.
>
> > Especially can you use
> > it as a staple for starting pyrolysis?
> Yes, you can put the hot char on top of another batch of fuel in a TLUD
> stove.
>
> > 2. Do numbers exist regarding the energy output and the amount of people,
> > the stove is designed for?
> Not really.   The cooking habits and needs are so highly different between
> cultures and between types of cooking (soup, frying, simmering long time,
> etc.)
>
> > 3. Do you know a stove design for refilling an already burning stove?
> Not as a stove.   A much larger char maker by Gordon West and  friends in
> New Mexico, USA, is functional, but too expensive to be a stove.
>
> > 4. Does the pyrolysis chamber has to stand perpendicular to the ground?
> Have
> > testings been done in different angles?
> Inclined TLUDs are not "normal".   Tried but not seen as successful for
> further development.
>
> > 5. Does the height above ground level have significant influence towards
> the
> > pyrolysis? Is there a maximum height, at which it stays clean?
> For stove sizes, 60 cm is tall.   Could be a full meter, but becomes less
> stable.   Main impact comes from the size of the riser above the
> concentrator.
>
> > 6. Is there a way of regulating the pyrolysis, apart from using a fan?
> Many ways to limit the entry of the primary air.   See Troika in Uganda
> and the cone-plug on Champion TLUDs in India.
>
> You have much reading to do about the prior work with TLUD stoves.
>
> Doc
>
> 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
>
> >
> >
> > Thanks in advance for your answers,
> >
> > Sincerely,
> > Hans-Christian Schomburg
>
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