한국자동차공학회논문집 (Transactions of the Korean Society of Automotive Engineers)

  • 제21권6호
  • /
  • Pages.117-122
  • /
  • 2013
  • /
  • 1225-6382(pISSN)
  • /
  • 2234-0149(eISSN)
한국자동차공학회 (The Korean Society of Automotive Engineers)
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3리터급 DME 엔진용 LNT 후처리 장치 연구

The Experimental Research of LNT for 3L-DME Engine

  • 장진영 (한국에너지기술연구원 에너지효율연구단) ;
  • 이영재 (한국에너지기술연구원 에너지효율연구단) ;
  • 표영덕 (한국에너지기술연구원 에너지효율연구단) ;
  • 조종표 (한국에너지기술연구원 에너지효율연구단) ;
  • 우영민 (한국에너지기술연구원 에너지효율연구단)
  • Jang, Jinyoung (Energy Efficiency Department, Korea Institute of Energy Research) ;
  • Lee, Youngjae (Energy Efficiency Department, Korea Institute of Energy Research) ;
  • Pyo, Youngduk (Energy Efficiency Department, Korea Institute of Energy Research) ;
  • Cho, Chongpyo (Energy Efficiency Department, Korea Institute of Energy Research) ;
  • Woo, Youngmin (Energy Efficiency Department, Korea Institute of Energy Research)
  • 투고 : 2013.03.21
  • 심사 : 2013.05.23
  • 발행 : 2013.11.01
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초록

This study is aimed to develop LNT(Lean NOx Trap) aftertreatment system for DME engine. Modified DME engine, which was changed from diesel to current DME engine, is used for this research and is equipped with common rail type injector and fuel supplying system. LNT system has reductant injector. DME is also used as reduction agent. For this research, reduction agent injection time width and interval were varied. And also, swirler was used to improve homogeneity of reducing agent in exhaust pipe. The reduction rate of NOx by LNT was increased by longer injection width, short interval and swirler. The maximum diminution of NOx by LNT was over 85%.

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참고문헌

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