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PCV결빙 방지 플라스틱 흡기매니폴드 개발에 관한 연구
김민기(Minki Kim),나찬가람(Chankaram Na),김형욱(Hyungwook Kim),황윤성(Yoonseong Hwang),서경근(Kyungkeun Seo) 한국자동차공학회 2019 한국자동차공학회 학술대회 및 전시회 Vol.2019 No.11
There have been dramatic changes in powertrain development trend with the rising demands for eco-friendly technology. However the needs for high efficiency internal combustion engine including hybrid engine are still high. At the same time, global automotive industry is facing unprecedented strengthened requirements when it comes to air pollution, climate changes and government regulations. Recently PCV icing problem of intake manifold was reported in extremely cold area by climate change. Intake manifold where PCV outlet is installed is one of key parts to influence the engine performances and PCV icing problem can’t be solved with the conventional design. This study will focus on the development of anti-icing plastic intake manifold. CAE simulation and experiments were implemented to evaluate design validity. Finally endoscopic visualization method was used to examine the behavior of PCV icing in intake manifold.