11916 2サイクルエンジンにおけるHCCI燃焼の特性に関する研究(OS11 環境に優しいエンジン技術(1),オーガナイズドセッション)

概要

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Homogeneous Charge Compression Ignition (HCCI) combustion has attracted considerable interest in recent years as a new combustion concept for internal combustion engines. The HCCI combustion process has four issues to be resolved: ignition timing control, slower combustion reaction rate (maximum heat release rate), difficulty expanding stable operation to the high load region and avoidance of knocking. In this study, the influence of using double componential fuels (n-heptane and iso-octane) on combustion characteristics of HCCI engine was investigated. As the result, the ignition timing can be controled and the amount of fuel was able to be increased while avoiding the knocking by using a fuel having two components with different ignition characteristics.
2010-03-09