Experimental investigations of dual fuelled two-cylinder diesel engine with biodiesel and natural gas using a novel air-gas mixer
by Brijesh Dager; Ajay Kumar; Ranbir Singh Sharma
International Journal of Energy Technology and Policy (IJETP), Vol. 18, No. 6, 2023

Abstract: In this study, natural gas (NG) and biodiesel were used to investigate the emission, combustion and performance behaviour of a CI engine in twin fuel mode. A mixture of natural gas and air using a newly designed coaxial multi holes air gas mixer has been naturally inducted during intake stroke of the engine as the main fuel whereas diesel/MOME biodiesel is used as pilot fuel to initiate the combustion. The experimental results show that brake thermal efficiency is 1.26% lower, BSEC is 1.17% higher than diesel. Nitrogen oxides are reduced by 4.12% when using DCNG and by 63.07% when using DLF. The level of smoke opacity emission in BCNG is 76% lower than in DLF, but 6.67% higher to DCNG modes at full load. In comparison to other modes of operation, BCNG has a higher value of exhaust gas temperature, and emission.

Online publication date: Wed, 17-Apr-2024

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