Browse Publications Technical Papers 2007-01-0215
2007-04-16

Full-Load HCCI Operation with Variable Valve Actuation System in a Heavy-Duty Diesel Engine 2007-01-0215

Full-load HCCI operation with extremely low emissions was demonstrated. Experiments were performed on a 1.8L single cylinder heavy-duty diesel engine equipped with variable valve actuation system. Extensive study was made for the effects of EGR ratio, intake manifold temperature, air-fuel ratio and intake valve close timing on HCCI operation. With appropriate selection of the above variables, operation range was extended up to 2.0MPa of IMEP with diesel fuel. NOx emission was extremely low (0.01g/kWh) with retaining low smoke level (0.1BSU).

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