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국내 최대 기계 및 로봇 연구정보
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    국내학술지 제목 게시판 내용
    제목(국문) 엔진 수트 측정 센서 표면에서의 흡착 오염 저감을 위한 실험적 연구(I)
    제목(영문) An Experimental Study for the Minimization of Soot Adsorption on the Optical Surface of an Engine Soot Detector (I)
    저자 김학열 (Hak-Yal Kim ,한국과학기술연구원 트라이볼로지 연구센터 ) ▷공저자네트워크등록하기
    공호성 (Hosung Kong ,한국과학기술연구원 트라이볼로지 연구센터 ) ▷공저자네트워크등록하기
    한흥구 (Hung-Gu Han ,한국과학기술연구원 트라이볼로지 연구센터 ) ▷공저자네트워크등록하기
    윤의성 (Eui-Sung Yoon ,한국과학기술연구원 트라이볼로지 연구센터, esyoon@kist.re.kr ) ▷공저자네트워크등록하기
    초록 The adsorption of soot particles onto a sensor surface of the engine soot detector posses a critical problem in the measurement. In order to prevent the optical rod surface from soot contamination, various functional coatings and flow-induced cleaning were applied to the surface in this work. For surface coatings, various materials of self-assembled monolayers (SAM) such as OTS (octadecyltrichlorosilane), PFDTES(perfluorodecyl-triethoxysilane) and PFDTMS(perfluorodecyltrimethoxysilane) were coated on the optical rod surface, which have different characteristics in both hydrophobicity and oleophobicity. These coatings were tested with soot content varying from 0% to 3 wt% and oil temperature from 20 to 70℃. Test results showed that surface coatings were not effective for preventing the adsorption of soot particles on the surface of optical rod. It was thought that these coatings provided the surface with additional attractive surface forces. However, it was found that adsorption of soot particles onto a sensor surface was minimized by flow-induced cleaning. This effect was tested with varying the flow velocity.
    keyword engine soot, soot detector, surface coating, adsorption, flow-induced cleaning
    저널명 윤활학회지 ▷관련저널보기
    VOL 20
    PAGE 343-349
    발표년도 2004
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