한국자동차공학회논문집 (Transactions of the Korean Society of Automotive Engineers)

  • 제12권1호
  • /
  • Pages.48-54
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  • 2004
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  • 1225-6382(pISSN)
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  • 2234-0149(eISSN)
한국자동차공학회 (The Korean Society of Automotive Engineers)
권호 표지

가솔린 균일 예혼합 압축 착화 디젤기관의 연소 및 배기 특성에 미치는 운전조건의 영향

Effect of Operation Condition on the Characteristics of Combustion and Exhaust Emissions in a Gasoline Fueled HCCI Diesel Engine

  • 발행 : 2004.01.01
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초록

The purpose of this work is to investigate the effect of premixing condition on the combustion and exhaust emission characteristics in a HCCI diesel engine. To from homogeneous charge before intake manifold, the premixed gasoline fuel is injected into a premixed tank by fuel injection system and the premixed gasoline fuel is ignited by direct injected diesel fuel. Experimental result shows the NOx and soot emissions are decreased linearly with the increase of premixed ratio. In the case of intake air temperature $20^{\circ}C$ with light load, the specific fuel consumptions are increased with the rise of premixed ratio and HC and CO emissions are also increased. But the intake air heating can improve the specific fuel consumption at light load condition because increased air temperature promotes the combustion of premixed mixture. In the case of high intake air temperature with high load condition, premixed fuel is auto-ignited before diesel combustion and soot emission is increased.

키워드

참고문헌

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