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레이저 유도 백열법을 이용한 에틸렌 화염 배기에서의 Soot 입자 크기 계측에 관한 연구
전홍식(Hong Sik Chun),류훈철(Hoon Chul Ryu),박종일(Jong Il Park),엄규섭(Gyu Sub Eom),한재원(Jae Won Hahn),전광민(Kwang Min Chun) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
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, Simple time resolved LII (TIRE-LII) method was applied to the simulated exhaust of Ethylene diffusion flame as a preliminary test for measuring diesel exhaust PM emissions. The particle size results from LII technique were calibrated via field emission scanning electron microscope (FE-SEM) photograph. The inaccuracy of particle sizes between LII measurement and FE-SEM photograph was within 4.3%.