[Stoves] Combustion characteristics of biomass fuels in a fixed bed micro-gasifier cook stove

[Paul Anderson]

Tom and Stovers,

Thanks for that reference and abstract.

I am not going to pay about US$40 to read it, but when someone does, 
please send comments to the Stoves Listserv.   I am particularly 
interested in the
> The two mode operations of combustion processes namely flaming and 
> char mode of the fuels were also studied. 
"Char mode".   Interesting.   Burning char in a TLUD is not good 
practice for cooking, but maybe the laboratory scientists want to learn 
about something that is sub-optimal for cooking and shortens the life of 
the stove.  This is all too common in the "peer reviewed" publications:  
Out of touch with the real-world applications of micro-gasifiers.

But maybe it is not a TLUD????   "fixed bed micro-gasifier stove" might 
be something else?    Or do the researchers choose to ignore body of 
literature with TLUD mentioned??    The list of references (seen at the 
provided link) certainly avoid any document with TLUD in its name, but 
did include the first edition (2011) of Christa Roth's major book.

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 2/18/2017 10:53 PM, Tom Miles wrote:
>
> This is just the abstract but how do these results compare with tests 
> of similar stoves? How would other, or additional, tests that have 
> been mentioned in the last few months change the results or use of the 
> data?
>
> Combustion characteristics of biomass fuels in a fixed bed 
> micro-gasifier cook stove
>
> Sakthivadivel, D. & Iniyan, S. J Mech Sci Technol (2017) 31: 995. 
> doi:10.1007/s12206-017-0152-y
>
> https://link.springer.com/article/10.1007/s12206-017-0152-y
>
>
>     Abstract
>
> This paper deals with the effect of different biomass fuels used in a 
> fixed bed advanced micro-gasifier cook stove’s combustion process. 
> Combustion of different biomass fuels like coconut shells, Prosopis 
> Juliflora and wood pellets were investigated in an advanced cook stove 
> for an air velocity of 3 m/s. The actual testing procedure followed to 
> evaluate full performance characteristics of the stove was as per the 
> world standard protocol WBT 4.2.3, and the results were analyzed in 
> terms of thermal efficiency. The measured variables like bed 
> temperatures, mass loss and exit gas composition were used to estimate 
> the combustion characteristics of each fuel in terms of flame 
> propagation, fuel burning rate and the combustion quality. The two 
> mode operations of combustion processes namely flaming and char mode 
> of the fuels were also studied. The experimental outcomes provide a 
> clear idea on the impact of the different fuel properties on flame 
> propagation, burning rate and indoor air quality. Thus, the flame 
> propagation rates are 0.063, 0.071 and 0.05 mm/s with an average fuel 
> burning rate of 16, 12 and 10 g/min are achieved. Also the thermal 
> efficiency of fixed bed micro-gasifier is found to be about 36.7±1 % 
> for coconut shell, 36±1 % for Prosopis Juliflora and for wood pellets 
> it is about 38.5±1 %.
>
>
>
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