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비틀림 진동 계산 및 측정을 통해 고찰한 선박용 2행정 저속엔진 Crankshaft 파단 현상
문정하(Joung-Ha Moon),김정렬(Jeong-Ryul Kim) 한국소음진동공학회 2014 한국소음진동공학회 학술대회논문집 Vol.2014 No.4
In the past two stroke low speed diesel engine were widely used for marine propulsion. these engine have many merit for example, higher thermal efficiency and durability. however, shaft vibration problem was continuously rise up due to large power of two stroke low speed diesel engine. specially, the initial stage engine revolution counter & stress has acculated. For that reason, sometimes occurred crankshaft crack accident. In this study, regarding the initial stage engine, trying to analyze what is cause the crack phenomenon using by latest torsional vibration calculation program & measurement equipment.
이민우(Min-Woo Lee),문정하(Joung-Ha Moon),김정환(Jeong-Hwan Kim),이현식(Hyun-Sik Lee),김전하(Jeon-Ha Kim),이영호(Young-Ho Lee) 한국유체기계학회 2007 유체기계 연구개발 발표회 논문집 Vol.- No.-
in this study, improvement endurance of N₂ generator, depend on finite element method and vibration test standard KR type approval because of ship in navigation, occurrence destruction ship's spare part reason of high risk vibration influence.