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논문 기본 정보

자료유형
학술저널
저자정보
이태우 (국립환경과학원) 김지영 (국립환경과학원) 박준홍 (국립환경과학원) 전상진 (국립환경과학원) 이종태 (국립환경과학원) 김정수 (국립환경과학원)
저널정보
한국자동차공학회 한국자동차공학회논문집 한국자동차공학회논문집 제22권 제1호
발행연도
2014.1
수록면
148 - 156 (9page)

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초록· 키워드

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The objective of this study is to compare NOx emissions from light duty diesel vehicles measured from on-road tests that conducted under various driving routes and seasonal conditions. We measured real-driving NOx emissions using PEMS, portable emissions measurement system, under the urban, rural and motorway road traffic conditions. On-road tests were repeated at summer, fall and winter season. The accumulated driving distance is more than 1,200 km per each vehicle. Route average NOx emission factors were compared among nine route-season combinations. The emission characteristics of each combinations were investigated using time series mass emission rates and vehicle operation-based emission rates and activities, which is based on U.S. EPA"s MOVES model. Most concerned route-season combination is “urban road condition at summer”, which shows two to eleven times higher NOx emissions than other combinations. The emission rates and activities under low speed operating conditions should be managed in order to reduce urban-summer NOx. From a NOx control strategy perspective, the exhaust gas recirculation, EGR, is observed to be properly operated under wide range of vehicle driving conditions in Euro-5 vehicles, even if the air conditioner turns on. In high power demanding conditions, the effect of overspeeding could be more critical than that of air conditioner activation.

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Abstract
1. 서론
2. 실험내용 및 방법
3. 시험결과 및 검토
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2015-550-001059432