Sophia FATIHI, Valerian CROITORESCU, Elhoussaine OUABIDA, Hassan MHARZI


The internal combustion engines represent the main power source for vehicles and for different machineries, including electricity generators. Even if the strict regulations are punishing the engines and claims their retirement, they will continue to be used on vehicles, especially for the hybrid ones and also for the machineries for where other solutions cannot be efficient. This paper addresses the scraper rings behavior using finite element modeling and analysis and their lifetime using numerical predictions. This study includes modeling different piston scraper rings shapes and approaching materials depending on the fuel used, gasoline or diesel. The lubrication performances are considered, together with the possibility to use different materials for manufacturing the scraper rings.

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