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EURO-Ⅳ 대응 대형디젤 후처리 시스템 실용성 평가 및 선행기술개발
김성중(Sung-jung Kim),이천환(Chun-Hwan Lee),서동규(Dong-Kyu Seo),김덕진(Deok-Jin Kim),이춘범(Chun-Beom Lee),임철수(Chul-Soo Yim),류정호(Jung-Ho Ryu),한현식(Hyun-sik Han),이동인(Dong-in Lee) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
When there have been more needs about high efficiency vehicles as the every country's CO2 reduction policies and a dearth of petroleum fuel, the best way to meet that requirements is a vehicle powered by diesel engine. In diesel engine vehicles there are more advantages of fuel efficiency about 20% but somethings to get over problems about the nano-particle and NOx emission.<br/> In this paper, diesel after-treatment systems are evaluated and tested so that optimal technologies are developed for simultaneous PM/NOx reduction of H/D diesel engine to meet the EURO-Ⅳ regulation. For the reduction of PM, two different size hybrid DPF (DOC+catalyzed DPF) are used and for the preceding technique of DeNOx, elementary after-treatment dosing system is made and basically tested. After test, HDPF systems had 85~94% PM reduction rate and reduced nano-particle number to 95%. But sulfate and NOx, another emission factors was also reduced to the regulation of EURO-Ⅳ. From this results, it seems to be possible to meet the EURO-Ⅳ at PM reduction as using that HSPF technology.