Turbulenter를 장착한 디젤기관의 연소 및 배기특성에 관한 실험적 연구

An Experimental Study on Combustion and Exbaust Characteristics of Diesel Engine with Turbulenter

The effects of turbulenter on the characteristics of combustion, exhaust emissions and SFC is experimentally investigated by four-cylinder, four-cycle and direct injection diesel engine operating at several loads and speeds. The investigated results as follows. The combustion pressure in cylinder is slightly increased and ignition timing is not effected by turbulenter. The rate of heat release and accumulated quantity of heat release is slightly increased. SFC is decreased 0.15% of totle average, and NOx emission is decreased by maximum value of average 9.84% at 1200 rpm, and totle average of decreasing rate is 8.03% in the range of experimental conditions. But Soot emission is increased by maximum value of average 9.52% at 1600 rpm, and tot1e average of increasing rate is 3.45%.