A study of high combustion efficiency and low co emission in a natural gas HCCI engine

Daesu Jun, Norimasa Iida

Research output: Chapter in Book/Report/Conference proceedingConference contribution

24 Citations (Scopus)

Abstract

The operating range is restricted by knocking and misfiring in a homogeneous charge compression ignition (HCCI) engine. In an HCCI engine, the autoignition does not always mean the high combustion efficiency because the operating range to achieve high combustion efficiency is very narrowly restricted by knocking and high THC, CO emissions. In this study, we have investigated the operating conditions to achieve high combustion efficiency and low CO emission in a four-stroke HCCI engine using experimental analysis and elementary reactions calculation. It is shown that the combustion efficiency reaches higher than 90%, and the CO emission can be reduced considerably when the in-cylinder maximum gas temperature is over 1600K.

Original languageEnglish
Title of host publicationSAE Technical Papers
DOIs
Publication statusPublished - 2004
EventFuels and Lubricants Meeting and Exhibition - Toulouse, France
Duration: 2004 Jun 82004 Jun 10

Other

OtherFuels and Lubricants Meeting and Exhibition
CountryFrance
CityToulouse
Period04/6/804/6/10

ASJC Scopus subject areas

  • Automotive Engineering
  • Safety, Risk, Reliability and Quality
  • Pollution
  • Industrial and Manufacturing Engineering

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