Numerical prediction of the performance and emission of downsized two-cylinder diesel engine for range extender considering high boosting, heavy exhaust gas recirculation, and advanced injection timing

•To extend the driving range of electric vehicles, downsized engine was feasible.•Simulation was performed to determine the properties of downsized diesel engine.•NOx emission was measured by applying EGR to downsized diesel engine.•Performance and emissions were evaluated by applying high boosting...

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