HC2-1: Potential of Thermal and Mixing Stratification for Reducing Pressure-rise rates in HCCI Engines(HC: HCCI Combustion,General Session Papers)

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概要

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• 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.

• 一般社団法人日本機械学会の論文
• 2008-07-28

著者

• Nagae Mari

  Iida Laboratory Department Of System Design Engineering Keio University

• Shigetoyo Kenji

  Iida Laboratory, Department of System Design Engineering, Keio University

• Yoshida Akane

  Iida Laboratory, Department of System Design Engineering, Keio University

• Iida Norimasa

  Iida Laboratory, Department of System Design Engineering, Keio University

• Iida Norimasa

  Iida Laboratory Department Of System Design Engineering Keio University

• Yoshida Akane

  Iida Laboratory Department Of System Design Engineering Keio University

• Shigetoyo Kenji

  Iida Laboratory Department Of System Design Engineering Keio University

関連論文

• HC2-1: Potential of Thermal and Mixing Stratification for Reducing Pressure-rise rates in HCCI Engines(HC: HCCI Combustion,General Session Papers)

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