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중, 소형 디젤 차량에서 플라즈마와 후 분사를 통한 PM, NOx 동시 저감에 관한 실험적 연구
김종우(Jongwoo Kim),윤준섭(Junsup Yun),심우찬(Wochan Shim) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Due to the global warming problem, diesel engine is becoming a one of the most promising solutions for light-duty vehicles in the world. Compared to spark-ignition engines, diesel engines generally have lower unburned hydrocarbon and carbon monoxide, but they also produce still higher levels of NO x and smoke emissions even though using a common-rail injection system. To reduce the diesel emissions, DOC and DPF system have been developed to comply with tighten diesel emission regulations. This paper describes the NOx and smoke emission characteristics of current diesel vehicle with a post injection and plasma aftertreatment system in a transient driving mode. Emissions tests were performed according to New European Driving Cycle mode. Results from these tests show that NOx and smoke emissions with post injection and plasma treatment system is much lower than that without the system in the NEDC mode.