Browse Publications Technical Papers 2002-01-0416

A Study on Gasoline Fueled Compression Ignition Engine ∼ A Trial of Operation Region Expansion ∼ 2002-01-0416

A fundamental examination was made of gasoline-fueled homogeneous charge compression ignition (HCCI) combustion under various compression ratios, intake temperatures and intake gas compositions. The results revealed the basic combustion characteristics, and the ignition timing and combustion duration were found for every set of conditions. Suitable intake air temperatures were also determined for every operating condition. Internal residual gas was used to raise the mixture temperature in the cylinder. The region of maximum engine speed was expanded without heating the intake air. Minimum and maximum indicated mean effective pressures (IMEP) were found in several engine speed regions under several residual gas rates. Based on the results, a comprehensive interpretation is given of conventional HCCI combustion in 2- and 4-stroke gasoline engines.


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