Method for turbocharging and supercharging 2-stroke engines, applied to an opposed-piston new concept for hybrid powertrains

José Ramón Serrano Cruz, J. Javier López, Héctor Climent and Alejandro Gómez-Vilanova

Applied Energy, 2023, vol. 351, issue C, No S0306261923012795

Abstract: The internal combustion engine's (ICE) electrification calls to question ICE concepts nowadays, leading to new engine architectures conceived to operate as series hybrids. This is the case of the unit analyzed in this work; a 2-stroke, spark-ignited, rod-less opposed-piston engine (2S-ROPE). Previous results revealed some efficiency and maximum power drawbacks, which motivated the development of the supercharged or turbocharged engine version. Supercharging the engine results in a straightforward task; however, turbocharging the engine reveals serious stability problems due to the thermo-fluid-dynamic coupling between the intake and exhaust lines.

Keywords: Hybrid powertrains; 2-stroke; Rod-less opposed-piston; Turbocharged; Thermo-fluid-dynamic coupling; Efficiency (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1016/j.apenergy.2023.121915

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