Potential of thermal and mixing stratification for reducing pressure-rise rates in HCCI engines

Kenji Shigetoyo, Mari Nagae, Akane Yoshida, Norimasa Iida

研究成果: Paper査読

抄録

The purpose of this study is to investigate the potential use of in-cylinder thermal and mixing stratification for reducing the pressure-rise rates in HCCI engines by going through numerical analysis with multi-zones modeling. The computations are conducted using both a standard single-zone and the custom multi-zone version of the Senkin application of the CHEMKIN II kinetics rate code, and kinetic mechanisms for Di-Methyl Ether (DME). The objective of calculation with the multi-zones model is to examine the mechanism of thermal and mixing stratified charge to reduce an excessive pressure-rise rates. The mechanism of reducing the pressure-rise rates in the thermal and mixing stratified charge is proved with 2-zones and 5-zones model. It is found that thermal and mixing stratification have the effect of reducing the pressure-rise rates (extended combustion duration) and have potential for extending the upper load limit in HCCI engines.

本文言語English
ページ281-288
ページ数8
出版ステータスPublished - 2008 12月 1
イベント7th International Conference on Modeling and Diagnostics for Advanced Engine Systems, COMODIA 2008 - Sapporo, Japan
継続期間: 2008 7月 282008 7月 31

Other

Other7th International Conference on Modeling and Diagnostics for Advanced Engine Systems, COMODIA 2008
国/地域Japan
CitySapporo
Period08/7/2808/7/31

ASJC Scopus subject areas

  • 自動車工学
  • 制御およびシステム工学
  • モデリングとシミュレーション

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