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논문 기본 정보

자료유형
학술대회자료
저자정보
김영재 (케피코) 전상열 (케피코) 김용하 (케피코) 류승현 (케피코) 이동현 (케피코) 최관희 (고려대학교) 박심수 (고려대학교)
저널정보
한국자동차공학회 한국자동차공학회 추계학술대회 및 전시회 2011년 한국자동차공학회 학술대회 및 전시회
발행연도
2011.11
수록면
440 - 446 (7page)

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초록· 키워드

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Recently, the alternative to reduce CO₂ and improve fuel efficiency owing to rising oil price and green house gas emission regulation is GDI vehicle that is expected to be a dominant technology for quite a long time. However, unlike PFI engine GDI engine that sprays fuel inside of cylinder emits soot like diesel engine as all you know. We called it is PM. (Particular matter) PM of less than 2.5μm which is very, very tiny material leads to fatal consequences in human body by accumulating at lungs without filtering through respiratory system. Therefore, particle emission will be added for European automobile emission regulation in 2014. The disputed result is currently 4.5mg/km for particle mass and 6<SUP>*</SUP>10<SUP>11</SUP>#/km for particle number in case of EURO Ⅵ diesel vehicle. In case of EURO Ⅵ gasoline vehicle, particle mass is 4.5mg/km and particle number is under the discussion stage. In this study, present level of 1.6L GDI vehicle is measured and is figured out correlation between PM and PN through engine test. A cause of PM and PN formation is divided into several types of reason; however, this paper describes the optimization of engine control parameter without hardware change like combustion chamber, cylinder shape, injector type and injection target position. Same amount of CO₂, reduction of existing exhaust gas and 87% PN in contradistinction to the base in NEDC mode test is attained. As a result, 60% level of provisional PN limit is accomplished and this result will contribute to vehicle cost reduction by decreasing after-treatment cost. Based on this study, if it is expanded to different displacement vehicles, a standard of vehicle development to satisfy PN limit will be prepared.

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1. 서론
2. 실험장치 및 실험방법
3. 실험결과 및 고찰
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2013-556-001412882