[Stoves] About finding good publications on Stoves

[Cecil Cook]

Dear all,

Surely there are ways to minimize this particular source of variation.For
example, we get a random mixed sample of all the different kind of biomass
used in a particular target community- some of everything they burn or even
a quantitatively structured sample -  of types of biomass and moisture
contents and we use that as our test fuel.  Also, we need to check how well
the Improved Stoves perform in the rainy season when everything gets damp
and the moisture content goes much higher.

The veratility of a stove - namely its capacity to burn a large number of
different types of biomass fuel typesmay be one of the mot valuable
characteristics in a biomass scarce environment or with low income urban
dwellers.

That's my two cents worth,

Cecil sweating in San Marcos Tx and treading water as well

On Fri, May 29, 2015 at 6:16 PM, Frank Shields <franke at cruzio.com> wrote:

> Dear Paul, Crispin, and Stovers,
>
> “finding good publications on stoves” Many good publications for others
> but none for us because we don’t yet have biomass fuels classified into
> relevant classes suitable for us to predict how well a specific stove will
> respond with a specific fuel. Therefore, until this is done, publications
> comparing stoves means -nothing- to us. Perhaps there will be information
> in the articles useful for others.
>
> Crispin writes; "compare the fuel-stove combinations. And that has only
> recently been done”.
>
> It has never been done. We don’t yet know how to do it. Only the three
> interns started working on finding what the characteristcs biomass have
> that might be useful to study.  Then we need to determine the Working Range
> we need for the results and the appropriate test procedure needs to be
> developed to get within that range. We need to develop some ‘spider graph’
> or something to illustrate where the fuel falls into and another telling
> where the ranges the stoves fall into. These are both physical and chemical
> properties.  It is possible and should be keeping us busy for a while.
>
> regards
>
> Frank
> Intern 1
> Intern 2
> Intern 3
>
> Frank Shields
> franke at cruzio.com
>
>
> On May 29, 2015, at 2:01 PM, Crispin Pemberton-Pigott <
> crispinpigott at outlook.com> wrote:
>
> Heh heh, Frank
>
> OK, let me extend it:
>
> "There can be no (useful) comparison between stoves until we compare the fuel-stove
> combinations. And that has only recently been done in a systematic manner.
> This being that a culturally relevant task is being used and the stove is
> claimed to be designed for that task and that fuel and moisture level.
>
> “Useful” = Our PURPOSE of developing better stoves is to improve Real
> World situations hence the critical requirement to include the context of
> use in all comparative testing. Fuels to study need to have the same
> characteristics as site-specific Real World fuels. Using any other in a
> comparison is a waste of time.
>
> >Only four people in the World realize this;
>
> Well…that might be slightly unfair. Every cook who buys and uses a stove
> knows this. It would be more reasonable, if we are going to generalise, to
> say that people who do not use these stoves and who mostly work in offices
> in the Western World, do not realise this.
>
> But generalisations are usually wrong, right?
>
> Regards
> Crispin
>
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