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[디젤엔진부문] 디젤 입자상물질 측정을 위한 마이크로 희석터널시스템내 주요인자별 특성해석
신동길(D.G.Shin),이진욱(J.W.Lee),정용일(Y.I.Jeong),김해룡(H.R.Kim) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1999 No.11_1
A dilution tunnel is a system to measure weight of particulate matter(PM), simulating real conditions of exhaust gas emission to ambient air in engine bench. We made prototype micro dilution tunnel system with model system which is existing commercial products. Parameter characteristic analysis in micro dilution tunnel system and 0- 13 mode test of engine experiments were catrried out in a heavy duty diesel engine which emit much particulate matter. In parametric experiments, we found that the effects of MFC control are important more than those of sampling probe direction, filter holder, and dilution chamber. In engine mode test, measured PM weight showed only some difference between prototype system and commercial system, and a good repeatability in each test