Improvement of performance in a natural-gas fueled homogeneous charge compression ignition engine with supercharged

Takahiro Sako, Shunsaku Nakai, Koji Moriya, Norimasa Iida

Research output: Contribution to journalArticle

3 Citations (Scopus)


A supercharged natural gas compression ignition engine has been tested to confirm the performance as well as the exhaust gas characteristics. The supercharging improved the thermal efficiency through the improvement of the combustion efficiency, the mechanical efficiency, and the cooling loss. The indicated thermal efficiency becomes the highest when in-cylinder temperature is about 1 700 K, due to the improved combustion efficiency and the decrease of cooling loss. The supercharging also reduces the NOx emission. This is because the maximum temperature is kept low while the combustion efficiency is kept high compared with the natural aspiration. The pressure at auto-ignition inceased in case the boost pressure is raised. However, the auto-ignition temperature is the same and 1 000-1 030 K.

Original languageEnglish
Pages (from-to)1955-1960
Number of pages6
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Issue number707
Publication statusPublished - 2005 Jul



  • Boost
  • HCCI
  • Ignition
  • Internal Combustion
  • Natural Gas
  • PCCI
  • Premixed Combustion

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering

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