Browse Publications Technical Papers 2006-01-3487

Simulation and Experimental Studies on Combustion and Performance Characteristics for a Turbocharged and Naturally Aspirated Multi-Cylinder Compression Ignition Engine 2006-01-3487

The paper discusses the potential of a conventional light duty indirect injection diesel engine for operation under naturally aspirated and turbocharged conditions. An exhaust gas New Garret air turbocharger with waste-gate control was used for the present investigations. The results of an extensive experimental programme using an 2.4 liter in-line four-cylinder engine are presented to predict the pressure crank angle diagram, brake power output, brake specific energy consumption, delay period, rate of pressure rise, volumetric efficiency, peak cylinder pressure, exhaust gas temperature and coefficient of variation. The paper also presents some numerical results and a comparison between computed and experimental pressure crank angle diagram for turbocharged diesel engine. The overall analysis of the results shows a 17 percent increase in power output, 12 percent increase in volumetric efficiency and 20 percent improvement in brake specific energy consumption compared to base line engine.


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