Assessing the Performance of SME and RME Biodiesels through Combustion Simulation for PCCI-DI Constant Speed Engine
Keywords:
HCCI, PCCI, Simulation, Emission reduction, Bio-Diesel, Diesel-RKAbstract
The environmental effect of engine exhaust causing environmental pollution has triggered stringent pollution norms. The two ways of achieving the ever-tightening pollution norms are by combustion improvement on the side engine or the use of after-treatment devices after the emissions are already formed inside the engine. NOx and PM emissions are the two engine emitants that form the engine exhaust apart from CO and HC. To limit these emissions, combustion improvement is proposed. This can be one using different fuels, different combustion methodologies and use of higher pressures for fuel injection for better atomization or the external after-treatment devices. This paper studies two aspects of emission alterations through simulation. The first is the use of SME & RME types of bio-fuels and the use of PCCI combustion approach for the emission improvement. The PCCI approach is used as the HCCI is difficult to control. The assessment is done on the constant speed genset engine as the current research is mainly focused on the vehicle engines alone. Diesel-RK simulation software is used for the pre-injection approach for the PCCI and the bio-fuels of SME & RME. The results shows significant reduction up to 85% can be achieved in particulate matter with use of biodiesels. The overall NOx reduction can be achieved with use of B100 SME. However, the B100 RME gives NOx reduction only at higher loads. With biodiesel, the overall engine efficiency deteriorates. This deterioration is significant at lower loads.
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Copyright (c) 2023 Hemant A. Kinikar, Amarsingh B. Kanase-Patil , Sukrut S. Thipse , Tushar A. Jadhav
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