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논문 기본 정보

자료유형
학술대회자료
저자정보
오승묵 (한국기계연구원) 김정환 (한국기계연구원) 이용규 (한국기계연구원)
저널정보
한국추진공학회 한국추진공학회 학술대회논문집 한국추진공학회 2014년도 제43회 추계학술대회 논문집
발행연도
2014.12
수록면
122 - 125 (4page)

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초록· 키워드

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Combustion and emission characteristics were investigated in LPG engine with hydrogen addition. At λ=1.7 and 2.0, high combustion stability was found with hydrogen even though its change was small at λ=1.0 and 1.3. Stable operation of the engine was presented even at λ=2.0, if the amount of hydrogen gas was near 63% volume fraction (15% of total energy). High in-cylinder temperature due to hydrogen combustion resulted in further heat loss to surroundings. Except for λ=1.0, with larger blending of hydrogen, CO was reduced significantly but it was not the case at the leaner region. Nitric oxides(NOx) was increased slightly with hydrogen at λ=1.0 and 1.3. However, when λ>1.3, its relative amount of emission was low. NOx was continuously decreased with hydrogen. However, at λ=2.0 NOx was lowered to a factor of 100 at λ=1.0. THC emission was significantly increased as air/fuel ratio close to leaner region due to misfire and partial burn.

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ABSTRACT
1. 서론
2. 실험장치
3. 실험결과
4. 결론
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UCI(KEPA) : I410-ECN-0101-2016-572-000947377