[Stoves] Understanding what TLUD means.... was Re: stoves and credits again

Paul Anderson psanders at ilstu.edu
Sat Sep 30 16:38:29 CDT 2017


Crispin,

You are just playing with words and causing confusion.   In 2005 when 
"TLUD" was first used for the Champion stove at Aprovecho Stove camp, 
the meaning was clear.   For many years (let's say to about 2012,) only 
me and a few others were using the TLUD name, and it was always as I 
have been defining the stoves and technology.

I seem to remember that your discussions about your Vesto stove included 
an option for gasification similar to what is in the TLUD stoves that I 
showed to you.  But I do not remember you using the "TLUD" name or 
wanting to be associated with TLUD specifications.

But as the TLUD stoves showed their capabilities and gained acceptance, 
various stove makers have found it desirable to be a gasifier stove and 
some people started to use the TLUD name, sometimes even when the use of 
their stove was different from what they were copying.   So we get all 
these variations.

And now you are especially agressive to attach the TLUD name to 
anything  that you declare should or could be top lit with updraft.   
The TLUD name is being attached to those stoves by YOU. The originators 
of most of those stoves are not using any "TLUD" designation.   For some 
of them that are significantly different, why would they even  want to 
be called a TLUD stove?    Again, "TLUD" is no longer an acronym.   It 
is a real name with a meaning.   Even KCJ (which stands for Kenyan 
Ceramic Jiko) refers to a rather specific type of stove, and the 
designation of KCJ should not be applied to any and all stoves that are 
made in  Kenya with ceramics.   Similarly, the designation of TLUD 
should not be applied to any and all stoves (or boyscout fires) that are 
ignited at the top and have upward moving air (which is natural flow of 
heated air).

You are just causing confusion.   I have known you so long ( I believe 
we met in 2002 in Swaziland) and we are certainly solid friends.   
Unfortunately,  I am quite sure that you will continue your misleading 
usage of the TLUD name.   (Please do not do that.) I can only hope that 
your point of view is ignored.  And that you are not called upon to be 
the stove specialist to advise government officials and NGOs regarding 
the various types of micro-gasification.

 From their very beginning, the TLUD stoves have been char-making 
micro-gasifiers with a Migratory Pyrolytic Front (MPF) with dry biomass 
fuel (that has not already been pyrolyzed nor is even fossil coal).   
The true TLUD stoves (original definition) do not need a new name or a 
modified name.

Paul

Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
Email:  psanders at ilstu.edu
Skype:   paultlud    Phone: +1-309-452-7072
Website:  www.drtlud.com

On 9/30/2017 2:00 PM, Crispin Pemberton-Pigott wrote:
>
> Dear Paul
>
>
> >"TLUD" is the combustion processes associated with the Migratory 
> Pyrolytic Front  (MPF). that creates the pyrolytic gases and leaves 
> charcoal behind.  That does not change.  The other features of a 
> "stove device" can be and are diverse.  And that is where we can find 
> all of the variations that you mention.
>
> I disagree at a fundamental level, and gave it some thought today 
> before your message arrived. A TLUD means top lit and updrafting air 
> flow. Nothing more. There are many stoves that operate in this 
> fashion, and as I said before, I was taught this as a way to light 
> low-smoke Boy Scout jamboree fires.
>
My disagreement with  your statements is in the message above.   PSA
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