Journal of the Korean Society of Combustion (한국연소학회지)

The Korean Society of Combustion (한국연소학회)
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Effect of Gasoline-premixing on Combustion and Exhaust Emissions Characteristics in Compression Ignition Engines

압축착화 엔진에서 가솔린 예혼합이 연소 및 배기 특성에 미치는 영향

  • Received : 2010.08.17
  • Accepted : 2010.09.20
  • Published : 2010.12.31
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Abstract

The purpose of the present work is to investigate the effect of gasoline-premixing on a combustion and emissions characteristics in a compression ignition engine. For studying combustion characteristics, a combustion pressure and rate of heat release (ROHR) were measured using a single-cylinder DI compression ignition engine with a common-rail injection system and premixed fuel injection system. In addition, exhaust emissions characteristics were studied using emission analyzers and smoke meter. The experimental results showed that the case of gasoline-premixing had longer ignition delay and lower combustion pressure compared to the cases of diesel direct injection. Furthermore, premixed gasoline-air mixture reduced NOx emissions due to low peak of ROHR.

Keywords

References

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