논문 : Spray type과 Soot type 입자발생기별 나노입자 개수농도분포 측정특성 비교
분야
자연과학 > 화학
저자
김민식 ( M. S Kim ) , 권지원 ( J. W Kwon ) , 정명철 ( M. C. Kwon ) , 이진욱 ( J. W. Lee )
발행기관
한국분무공학회
간행물정보
한국분무공학회지(구 한국액체미립화학회지) 2012년, 제17권 제4호, 185~191페이지(총7페이지)
파일형식
51301263.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    Particulate matters(PM) that is generated by most diesel engine is regulated by the mass concentration measured by the conventional method it had been. Recently, Europe PMP (Particle Measurement Program) decided to start the regulation of vehicle`s nano-sized particle number (PN) from the year of 2011 because of nano-particle`s higher degree of harm to the human body. So firstly, the standard level of PN emission is introduced in the Euro 5/6 emissions regulation with a limit of 6x1011 per km for light duty vehicle. Also KPMP(Korea Particle Measurement Program) was organized to copy quickly international technical trend. In this paper, it was investigated the nano-sized PN measurement characteristics for different particle generators between spray type and soot type. And the difference ratio between particle generators, the characteristic of PN concentration, counting efficiency and linearity was analyzed. Then, we make conclusions as followed. When particle diameter is increased, counting efficiency of two generators is decreased. Also Secondary calibration method is more higher 3% than Primary calibration method. Finally, SOF which is included in soot particles is not totally removed so it have great influence on test result of counting efficiency and linearity.
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