Investigation of Oil Sources in the Combustion Chamber of Direct Injection Gasoline Engines

Marcus Gohl; Gerhard Matz; Ann-Christin Preuss; Stefan Pischinger; Marco Günther; Thomas Ebert

doi:10.4271/2018-01-1811

To reduce hydrocarbon and particle emissions as well as irregular combustion phenomena, the identification and quantification of possible oil sources in the combustion chamber of the direct injection gasoline engine are of main interest. The aim of this research activity is to fundamentally investigate the formation of locally increased lubricating oil concentration in the combustion chamber. For this purpose, the oil sources are considered separately from each other and divided into two groups - piston/compression ring and lubricating film on the liner. The associated oil emissions and their influence on the engine combustion process are the core of the investigations.

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Investigation of Oil Sources in the Combustion Chamber of Direct Injection Gasoline Engines 2018-01-1811

SAE MOBILUS