Investigation on Delonix regina biodiesel blends on diesel engine with 1-butanol-diesel blends to test engine performance, combustion and emission characteristics

Year 2025, Volume: 11 Issue: 1, 170 - 180, 31.01.2025

Sumathy Muniamuthu K. Sunil Kumar , S. Deepa Muniyandi Elangovan Amit Verma , Mahesh M. Sonekar

Abstract

The need for automobiles is rapidly increasing all over the world. The biofuel requirement has also increased due to the need to avoid the nonpolluted atmosphere and improve performance. This work, with its innovative use of nonedible Delonox regina blends with limited proportions of butanol alcohols has practical implications for the automotive industry. The novelty of this research lies in the investigation of 1-butanol additives on Delox regina blends with the lowest proportions followed by 5%,12%, and 14% as a best-boosting ignitor. This limited butanol proportions proved that the engine’s thermodynamic performance was better when fuelled with Delonox regina blends and subjected to different loads. The results obtained from the Delonox regina blends and diesel in terms of performance, owing to combustion and owing to emissions for every stage, are compared with diesel. Higher thermal efficiency is obtained for the blend D90DR05B05, and the least BSFC is also attained for the blend D90DR05B05 than diesel, But the emissions are very low for the blend DR 100 followed by CO emissions, which is 34.5% superior to diesel. CO2 emissions are 14.5% decreased for the blend D70DR16B14 than diesel, HC emissions for blend DR100 are less than 42.5%, and NOx emissions for blend DR100 are less than 23.53% compared to diesel.

Keywords

Brake Thermal Efficiency, Energy, Delonix Regina Blends, Specific Fuel Consumption

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