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Improvement of the indicated thermal efficiency on CNG SI engine~Study of the engine performance with open- combustion chamber compared with pre-combustion chamber
Published October 13, 1999 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Autumn Conference
The performance of open-combustion chamber with the same hardware of engine was investigated varying combustion chamber form aiming to clarify the performance of pre-combustion chamber. The engine performance and combustion characteristics of a lean region was understood paying attention to the high compression ratio, supercharging, and EGR. As a result, the characteristic of open-combustion chamber of a lean region and the domination of pre- combustion chamber were clarified.