Energy Efficient Biomass Gassifier Stove for Domestic Purpose

Khadija Sultan, Munir Ahmad


Pakistan is facing issues with respect to sustainable energy and increasing of greenhouse gases, therefore, there is needed to take holistic approach to reduce energy crisis through the solution of renewable energy by natural resource management in the future. That is why this work has been carried out to develop and evaluate the performance of energy efficient biomass gasifier stove for domestic purposes as well as to compare its performance with improved cooking stove using locally available biomass fuels like wood chips. A biomass gasifier stove was developed and evaluated on wood chips fuel at National Agriculture Research Center (NARC), Islamabad. The design improvement of the stove focused on the following areas: provision of insulation around the chamber to reduce conduction heat loss across the walls of the chamber, incorporation of pot supporter as to minimize the smoke by direct contact to the fire and provision of sizable and adjustable air inlet to ensure the availability of sufficient air for the complete combustion of the fuel wood. The results obtained from this study showed that the gasifer wood stove has a maximum thermal efficiency of 30% as compared the thermal efficiency of improved stove of 18 %. Similarly, with a higher the useful heat energy output per kg of wood used was 1239.60 kJ/ kg than the useful heat energy output per kg of wood used by improved stove was 144.43 kJ/ kg. So, the performance of gasifier stove much better than improved stove.

Keywords: Energy, Biomass, Gasifier Stove, Cooking Stove and Gasifer Wood Stove

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ISSN (Paper)2224-3232 ISSN (Online)2225-0573

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