[Stoves] Version 2.0 of TLUD history is available

[Cookswell Jikos]

Very well said Julian!

As far as I know of not a single Kenyan university offers even a vocational
level charcoal making or a cookstove making course despite it being a
multi-million dollar intra-regional (and potentially renewable) energy
industry.

Perhaps the relevant organizations would consider designing curriculum for
Universities in regions dependant on biomass energy for cooking and then
funding scholarships for the same.

Until then, I thank you all on the biomass stoveslist for all of your
interesting input. Always something new to learn here.


Admin: Is there a way to easily search past correspondence by topic?

Kind regards,

Teddy



*Cookswell Jikos*
www.cookswell.co.ke
www.facebook.com/CookswellJikos
www.kenyacharcoal.blogspot.com
Mobile: +254 700 380 009
Mobile: +254 700 905 913
P.O. Box 1433, Nairobi 00606, Kenya

Save trees - think twice before printing.






On Thu, Feb 18, 2016 at 5:26 PM, Julien Winter <winter.julien at gmail.com>
wrote:

> Hi Paul;
>
> Thanks for your thorough account on the development of TLUD cookstoves.
> It is well illustrated and rich in information.
>
> For me (as an outsider soil scientist joining in), what stands out in the
> history of TLUD cookstove development, and biomass cookstove development in
> general is the disconnect between two communities (1) the practical
> cookstove developers, on the one hand, and (2) the combustions scientists
> and engineers on the other side.
>
> What were ostensibly "TLUDs" existed in several research laboratories
> since the 1940s.  After the oil crisis in 1973, there was a big increase in
> research interest in biomass energy.  TLUDs were laboratory models of
> moving grate gasifiers.  An influential paper appeared in 1984:
> Stubington, JF; Fenton, H.  1984. Combustion Characteristics of Dried and
> Pelletized Bagasse.  Combustion Science and Technology  37: 285-299   DOI:
> 10.1080/00102208408923758
>
> After that, forced draft TLUD research took off in the academic world and
> the 70+ papers (in English) have been published.
>
> Unfortunately, nobody in the world of practical stove development was
> reading those papers, either because they didn't have access through
> paywalls, and/or because they lacked the scientific training to understand
> them.
>
> In the academic world (asside from health-oriented research on emissions,
> and sociology), there has been almost no reaseach specifically on biomass
> cookstoves and their mechanism of combustion.  Only recently has this
> strated to change with graduate students working on TLUD stoves:
>
> Huangfu, Y; Li, H; Chen, X; Xue, C; Chen C; Liu, G.    2014.  Effects of
> moisture content in fuel on thermal performance and emission of biomass
> semi-gasified cookstove. Energy for Sustainable Development 21: 60–65
> Varunkumar, S; Rajan, NKS;  Mukunda, HS.  2011b. Single particle and
> packed bed combustion in modern gasifier stoves—density effects.
> Combustion Science and Technology  183: 1147-1163.
> Varunkumar, S; Rajan, NKS; Mukunda, HS.  2011a.  Experimental and
> computational studies on a gasifier based stove. Energy Conversion and
> Management 53: 135–141
> Varunkumar, S; Rajan, NKS; Mukunda, HS.  2013.  Universal flame
> propagation behaviour in packed bed of biomass.  Combustion Science and
> Technology, DOI:10.1080/00102202.2013.782297
>
> Fortunately, the combustion scientists are beginning to take an interest,
> because  issues in Global ecology are becoming acute.  More graduate
> students are appearing.
>
> What I think we need more of is help for the practical cookstove
> developers.  There needs to be scientific capacity-building, access through
> the academic paywalls, and access to basic measurement equipment.  There
> needs to be strong system of mentoring around the World so that these two
> communities — practicioners and scientists — become better connected and
> work together.
>
> All the best,
> Julien
>
> --
> Julien Winter
> Cobourg, ON, CANADA
>
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