Design, development and testing of small downdraft gasifiers for domestic cookstoves

Kailasnath B. Sutar, Sangeeta Kohli and M.R. Ravi

Energy, 2017, vol. 124, issue C, 447-460

Abstract: The design methodology available in the literature for downdraft gasifiers of large capacity (∼40–600 kWth) is not directly applicable to very small sized gasifiers. In the present work, design and development of small downdraft gasifiers of 4 kWth and 2.5 kWth nominal capacities, for domestic cookstove application, have been carried out by non-linear extrapolation of data in literature for large gasifiers. The prototypes thus developed were found to give maximum gasification efficiency close to 80%. Extensive experimentation was conducted in the laboratory to study the effect of two operating parameters, viz., gasification air flow rate and the fuel particle size, on the performance of these gasifiers. The performance parameters studied included calorific value of the gas, gasification efficiency, air-biomass ratio and the hearth load.

Keywords: Biomass; Gasification; Downdraft; Cookstove; Design methodology (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:124:y:2017:i:c:p:447-460

DOI: 10.1016/j.energy.2017.02.076

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