Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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A Study on Measurements of PM Size in a Single Cylinder Common-rail Diesel Engine Exhaust using LII Method

레이저 유도 백열법을 이용한 단기통 커먼레일 디젤 엔진 배기에서의 PM 크기 계측에 관한 연구

  • Chun, Hong-Sik (Graduated School of Department of Mechanical Engineering, Yonsei University) ;
  • Kim, Hui-Jun (Graduated School of Department of Mechanical Engineering, Yonsei University) ;
  • Ryu, Hoon-Chul (Graduated School of Department of Mechanical Engineering, Yonsei University) ;
  • Park, Jong-Il (Graduated School of Department of Mechanical Engineering, Yonsei University) ;
  • Hahn, Jae-Won (Department of Mechanical Engineering, Yonsei University) ;
  • Chun, Kwang-Min (Department of Mechanical Engineering, Yonsei University)
  • 전홍식 (연세대학교 기계공학과 대학원) ;
  • 김희준 (연세대학교 기계공학과 대학원) ;
  • 류훈철 (연세대학교 기계공학과 대학원) ;
  • 박종일 (연세대학교 기계공학과 대학원) ;
  • 한재원 (연세대학교 기계공학부) ;
  • 전광민 (연세대학교 기계공학부)
  • Published : 2006.05.01
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Abstract

Recently particulate matter(PM) emission regulations are becoming more strict for diesel engines. There is increasing interest for measuring not only concentration but also size of the particles. Laser-induced incandescence (LII) has emerged as a promising technique for measuring particle volume fraction and size. In this study, the Simple Time Resolved-LII method was applied to exhaust of Ethylene diffusion flame and diesel engine exhaust for measuring soot and PM size. The particle size data from LII technique were calibrated using Field Emission Scanning Electron Microscope(FE-SEM) and Transmission Electron Microscope(TEM) photographs. In diesel engine experiments for particle size measurement, results from LII measurement are in a good agreement with those from TEM photograph, and difference between two measurements was less than 16%.

Keywords

References

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