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고속도로 주행 시 연료차단 기능을 활용한 CO₂ 배출량 감축에 대한 실험적 연구
고광호(Kwangho Ko),정승현(Seunghyun Jeong),유인균(Inkyoon Yoo),이수형(Soohyung Lee),김제원(Jewon Kim) 한국자동차공학회 2010 한국 자동차공학회논문집 Vol.18 No.1
The fuel is not injected when the driver doesn't push acceleration pedal of a vehicle with engine speed higher than about 1,500rpm above mid vehicle speed range. This is called “fuel-cut function” and almost every modern vehicle is equipped with this function. This is activated on downhill part of a highway most often. Therefore the vehicleexhausted CO₂ can be zero in this downhill part if the driver could recognize this part of highway. We compared the vehicle-exhausted CO₂ emission when using fuel-cut function with the CO₂ mass when without using this function in this study. We found that the CO₂ emission reduced with fuel-cut function and measured the reduction rate of vehicleexhausted CO₂ mass with this test results. The exhausted CO₂ mass of a passenger car(2,000㏄ engine volume) is reduced by 4% with this function used. This CO₂ reduction effect can be achieved if the downhill part of a highway is painted with a specific color. And this road painting can be included in the highway road rehabilitation policy.
연료분사정보 표시장치를 통한 자동차 연비향상 효과에 대한 실험적 연구
고광호(Kwangho Ko) 한국자동차공학회 2010 한국 자동차공학회논문집 Vol.18 No.4
The reduction rate of fuel consumption by showing the fuel injection data for driver was measured in this study. The fuel injection data are composed of injection period, real time fuel economy and average fuel economy. The fuel consumption was measured by processing the voltage signal of injector and driven distance by GPS sensor. The fuel consumption was reduced by driving more carefully, i.e driving more steady without sudden acceleration and deceleration watching these fuel injection data. The reduction rate was up to 37% and the rate increased as the driver is customed to this driving pattern.