E302 Relationship Between Flame Propagation Processes and Igniter Configurations for the Newly Developed Plasma Jet Igniter(SI engine performance)

概要

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In plasma jet ignition, combustion enhancement effects occur toward the plasma jet issuing direction. Therefore, when the igniter is attached to the center of cylindrically shaped combustion chamber, plasma jet should issue toward the round combustion chamber wall. The plasma jet igniter which has an annular circular orifice has been developed. The purpose of this study is to elucidate the relationship between the newly developed plasma jet igniter configuration and the combustion enhancement effects. In this newly developed plasma jet igniter, the wrinkle appears on the flame front and the flame propagates rapidly. The igniter of large cavity volume indicates an effective combustion enhancement for the combustion in the whole combustion chamber. In the early stage of combustion, flame front area has been increased with an increase of annular orifice area. This is because the large plasma jet has been generated.
一般社団法人日本機械学会の論文
2000-10-01