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논문 기본 정보

자료유형
학술대회자료
저자정보
남충우 (자동차부품연구원) 이호길 (자동차부품연구원) 김성철 () 강정호 (자동차부품연구원) 박주창 () 김태민 (이엔드디기술연구소) 최수식 (디젠스기술연구소)
저널정보
한국자동차공학회 한국자동차공학회 추계학술대회 및 전시회 2018년 한국자동차공학회 추계학술대회 및 전시회
발행연도
2018.11
수록면
239 - 243 (5page)

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Methane emission from natural gas engine is difficult to remove from typical three-way and diesel oxidation catalyst after combustion. Therefore, recently trends of aftertreatment with natural gas engines have add methane oxidation catalyst to meet the strengthen of emission regulation. This paper is on the methane emission characteristic of natural gas-diesel dual fuel engine, which are new paradigm fo diesel engine. In this study, the 6.7liters EURO-VI diesel engine was converted to implement the natural gas-diesel dual fuel engine. Also the MOC under development was add to installed meet the strengthened emission regulation. The test conditions compared the diesel operation and the CNG-diesel operation and analyzed the emission characteristics of DOC up stream, DOC down stream and AOC down stream under each condition. Also, MOC was installed in front of DOC to compared the characteristics of emissions that according to the MOC installation. As a result In the CNG-diesel dual fuel operation condition, PM, NOx, and CO2 were reduced compared to diesel operating condition, but CO and THC were increased. Also In the CNG-diesel dual fuel operation condition more than 99% of the THC emission was methane. Meanwhile Even though there has been about 76% of THC reduction due to MOC integration, it still were not meet EURO-6(WHSC) emission standards. Thus a strategy to improve performance and efficiency of MOC catalyst and CNG fuel management system control will be established.

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Abstract
1. 서론
2. 실험 장치 및 방법
3. 결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2019-556-000203756