Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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An Experimental Study on the Measurement of Soot Contamination in a Diesel Engine Oil

디젤 엔진오일 내 Soot 함량 증가에 따른 오염도 측정에 관한 실험적 고찰

  • 공호성 (한국과학기술연구원 트라이볼로지 연구센터) ;
  • 조성용 (한국과학기술연구원 트라이볼로지 연구센터) ;
  • 윤의성 (한국과학기술연구원 트라이볼로지 연구센터) ;
  • 한흥구 (한국과학기술연구원 트라이볼로지 연구센터) ;
  • 정동윤 (육군사관학교 무기공학과)
  • Published : 2003.10.01
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Abstract

New method and device for the on-line measurement of soot concentration in a diesel engine oil are proposed, where the measurement principle is based mainly on attenuated internal total reflection. The detector were evaluated in various ranges of contaminated oils by carbon black particles. It was found that the proposed detector could be well used to monitor the oil deterioration due to soot contamination. Operational range of the detector was found from 0 to 5 mass percentage of soot content. Test results with water and fuel dilution showed that these effects were not remarkable. However, adsorption of carbon black particles onto the measurement surface was considered to be a critical problem of the detector. Effects of particle deposition on the interface was experimentally evaluated with the oil temperature and flow turbulence and discussed throughout this work.

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References

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