대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제28권10호
  • /
  • Pages.1163-1171
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  • 2004
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  • 1226-4881(pISSN)
  • /
  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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점화플러그 삽입 위치에 따른 SI 엔진의 연소특성에 관한 연구

Investigation on Combustion Characteristics According to Spark Plug Protrusion in SI Engine

  • 한영출 (국민대학교 기계ㆍ자동차공학부) ;
  • 김대열 (국민대학교 대학원 자동차공학)
  • 발행 : 2004.10.01
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초록

The variation of spark plug location have one of the effects on combustion characteristics. Several parameters of the effect on combustion characteristics are shape of combustion chamber, the spark plug position, turbulence flow and so on. This paper presents an experimental study according to variation of spark plug protrusion and PDA valve which have effects on characteristics of combustion and emission in single cylinder gasoline engine. Also, this paper emphasized that combustion stabilization was making by way of the reinforcement of the turbulent flow with the PDA valve. A feasibility and necessity of combustion pressure based cylinder spark timing control according to spark plug protrusion has been examined. So, this was obtained COV$\_$imep/ and the mass fraction burned(MFB) and the specific fuel consumption(sfc). Using the results of the test, the effects of the variable spark plug location and PDA valve can be improved fuel consumption and be available for the combustion stability.

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참고문헌

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