Effects of dual-spark ignition system with two different piston bowl shapes on combustion and efficiency in a single-cylinder engine
Jeongwoo Lee,
Sanghyun Chu,
Insuk Ko
et al.
Abstract:In this study, a dual-spark ignition system was systemically evaluated in a single-cylinder engine. Since the test engine was originally based on the diesel engine, two sparks were located symmetrically on the left and right, with the diesel injector in the middle of the engine head. At first, the effect of dual-spark ignition on the combustion process was compared with the single-spark (only right used) condition under 1600 rpm/gIMEP 0.7 MPa. Also, varying excessive air ratios were evaluated for the two condi… Show more
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