Proceedings of the Korean Society of Tribologists and Lubrication Engineers Conference (한국윤활학회:학술대회논문집)

Korean Tribology Society (한국트라이볼로지학회)
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Experimental Study of Diluted Engine Oil Characteristics by Diesel Fuel

경유가 혼입된 엔진오일의 특성에 관한 실험적 연구

  • 김한구 (쌍용자동차 기술연구소) ;
  • 박태식 (쌍용자동차 기술연구소) ;
  • 김청균 (홍익대학교 트라이볼로지 연구센터)
  • Published : 2004.11.01
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Abstract

An experimental study was conducted to evaluate characteristic variation of diluted engine oil by diesel fuel and its effects on engine components. Especially, engine oil was made to have $15\%$ fuel content. To predict existing diesel fuel content in engine oil after test was used the viscosity calibration curve. About $54\%$ percent of diesel fuel in diluted engine oil was distillated by various paths related to reciprocating motion of piston and the rest diesel fuel plays an important role for decreasing engine oil viscosity. Test results show that lowered engine ell viscosity by diesel fuel dilution become a reason of increasing engine elements wear, Therefore, this caused the quantity of blow-by gas to increase and main gallery pressure to decrease.

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