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에탄올 혼합율이 가솔린 엔진의 배기와 성능에 미치는 영향
박홍일(Hongil Park),오승우(Seungwoo Oh),박권하(Kweonha park) 한국자동차공학회 2004 한국자동차공학회 지부 학술대회 논문집 Vol.- No.-
Rapid growth of automobile industry has become a major reason for energy consumption and environmental pollution around a large city seriously.<br/> Saving energy greatly effects on the countries that do not have energy sources, so saving energy and varying energy source are demanded.<br/> In this study, the effect of ethanol mixing rate on exhaust emissions, fuel consumption rate and engine torque is tested in a gasoline engine without any retrofit Mixing rate is varied from 0% to 85% and engine speed and torque are also varied. The result show ethanol mixing rate of 10 to 15% is considered as a suitable range in order to use the fuel without any retrofit Maximum torque is decreased with mixing rate increase, but the torque shows similar value is the range of 10 to 15% The values of CO, HC emission and fuel consumption are similar or slightly increased except the range of 10 to 15%.