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Study on Miller Cycle Gas Engine for Power Generation-3rd Report: Effect of Egr on the Late Intake-Valve Closing Miller Cycle
Published May 21, 1997 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Spring Conference
The previous study applied successfully the Late Intake-Valve Closing (LIVC) Miller cycle to a turbocharged 324 kW gas engine with three-way catalyst. The experimental results demonstrated promising engine performance, which substantially improves the thermal efficiency with low NOx emission. This part of the study focuses on the improvement of knocking limit of the LIVC Miller cycle by applying the EGR method. The study investigated basic characteristics of the EGR and its effect on the performance of gas engines extensively. The EGR ratio of 20% successfully improved the thermal efficiency by as much as 1.0 percentage point with exhaust temperature reduced by about 80K.