Open Access

Effect of Injection Timing and EGR on the Diverse Attributes of Diesel Engine Powered with Juliflora Methyl Ester Blend

Satish Kumar, satishkumarqiscollege@gmail.com
Department of Automobile Engineering, Malnad College of Engineering, Hassan, KA, India
Department of Mechanical Engineering, QIS College of Engineering and Technology, Ongole, AP, India A. N. Basavaraju, Department of Automobile Engineering, Malnad College of Engineering, Hassan, KA, India V. Dhana Raju Department of Mechanical Engineering, Lakireddy Bali Reddy College of Engineering, Mylavaram, AP, India

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Abstract

The study examines the efficacy of using a 20% blend of juliflora methyl ester (JFME20) as a diesel fuel alternative, focusing on injection timings of 19°, 23°, and 27° bTDC. At 27° bTDC, JFME20 exhibited a 4.53% increase in brake thermal efficiency (BTE) compared to standard conditions. Emission reductions at full load were notable: smoke decreased by 8%, hydrocarbons (HC) by 17.3%, and carbon monoxide (CO) by 25.45%. However, nitrogen oxide (NOx) emissions increased, necessitating additional mitigation strategies. To address this, exhaust gas recirculation (EGR) was implemented at 10% and 20% with JFME20 at 27° bTDC, resulting in substantial NOx reductions by 16.74% and 33%, respectively, compared to JFME20 without EGR. These findings underscore that JFME20 enhances thermal efficiency, reduces CO, HC, and smoke emissions, and highlights the necessity of managing NOx emissions. EGR emerges as a vital technique for optimizing the environmental performance of biofuels in diesel engines, balancing efficiency and emission control. This study demonstrates the potential of JFME20 as a viable diesel substitute, with EGR playing a critical role in mitigating its environmental impact.

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Reference

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