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레이저 유도 백열법을 이용한 단기통 커먼레일 디젤 엔진 배기에서의 PM 크기 계측에 관한 연구
전홍식(Hongsik Chun),김희준(Huijun Kim),류훈철(Hoonchul Ryu),박종일(Jongil Park),한재원(Jaewon Hahn),전광민(Kwang Min Chun) 한국자동차공학회 2006 한국 자동차공학회논문집 Vol.14 No.3
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%.
LⅡ를 이용한 디젤 엔진 배기에서의 PM 일차 입자 크기 계측에 관한 연구
전홍식(Hongsik Chun),박종일(Jongil Park),김희준(Huijun Kim),류훈철(Hoonchul Ryu),한재원(Jaewon Hahn),전광민(Kwang Min Chun) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.11_1
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 traction and size. In this study, the Simple TIRE-LⅡ(Simple Time Resolved-LⅡ) method was applied to diesel engine exhaust for measuring PM primary particle size. The panicle size data from LⅡ technique were calibrated using 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%.