Experimental investigation of oil accumulation in second land of internal combustion engines

Date

2005-01-01

Author

İÇÖZ, TUNÇ
Dursunkaya, Zafer

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Blowback of engine oil suspended in combustion gases, when the gas flows from the piston second land back into the combustion chamber is believed to contribute to oil consumption and hydrocarbon emissions in internal combustion engines. Oil accumulation in the region between top and second compression rings is a factor that influences this phenomenon. The effects of individual parameters, such as oil film thickness and viscosity, however have still not been understood. The present study was aimed at constructing an experimental setup to study the effect of oil film thickness on oil accumulation in the second land of internal combustion engines. Due to the inherent difficulties of experimentation on production engines, a modeled piston-cylinder assembly was constructed. Total oil accumulation in the modeled second land after a single piston stroke was measured and compared to oil consumption in operating engines. [DOI: 10.1115/1.1805011]

Subject Keywords

Fuel Technology, Mechanical Engineering, Energy Engineering and Power Technology, Nuclear Energy and Engineering, Aerospace Engineering

URI

https://hdl.handle.net/11511/48897

Collections

Department of Mechanical Engineering, Article