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A Study on the Relationship Between Fuel Characteristics and Autoignition in Gasoline HCCI Engines (2nd Report)~Analysis for Model Fuels of Equivalent Octane Numbers but Having Different Components
Technical Paper
2009-08-0389
Sector:
Event:
JSAE Autumn Conference
Language:
Japanese
Abstract
Toward the commercial production of gasoline HCCI engines, it is important to understand the effect of fuel characteristics on HCCI and SI combustion. The model fuels used in this study have the same octane number but consist of different components. Using these model fuels, the effect of fuel components against two Autoignition phenomena, which are 1) HCCI combustion and 2) knocking in SI combustion, was analyzed with experimental approaches. As a result of the analysis, an experimental equation was proposed for the HCCI timing of the multi-component fuels, and it showed good agreements against gasoline-fueled HCCI timing.