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EGR 쿨러 파울링 억제를 위한 금속폼 촉매 필터 적용
이정민(Jeongmin Lee),이성오(Seongoh Lee),박만호(Manho Park) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
Effects of metal foam EGR filters on EGR cooler effectiveness enhancement by suppressing EGR cooler fouling has been studied. EGR system of the test engine contains a metal foil type EGR catalyst for reducing HC in front of two EGR coolers. In this study, metal foam EGR filters, catalyzed for passive regeneration, replace the EGR catalyst to suppress cooler fouling more effectively. In the results, EGR filters improve the cooler effectiveness by suppressing cooler fouling and give stable pressure drop of EGR system through 30hr steady state engine operation.