Browse Publications Technical Papers 2015-01-1951
2015-09-01

Flame Propagation Characteristics of Premixed Hydrocarbon Fuels at Elevated Pressures 2015-01-1951

For recent high efficiency engine with high compression ratio and highly boosted technology, combustion occurs at resultant more elevated pressure condition, as compared to conventional engine, which is known to decrease laminar burning velocity and cause flame instability. Flame instability could play an important role in combustion performance, and so far many theoretical and experimental studies have been devoted to the relevant matters. In this study, effects of flame instabilities on the combustion properties, such as the topography of flame surface and the variation in flame speed, have been experimentally examined using a dual constant volume combustion chamber in consideration of elevated pressure combustion in state-of-art IC engine.

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