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Blow-by 가스가 수소기관의 역화발생에 미치는 영향
김윤영(Y.Y.Kim),이창욱(C.W.Lee),이종태(J.T.Lee) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.6_1
Backfire limit equivalence ratio in hydrogen fueled engine with external mixture was investigated under changing of the amount of blow-by gas. As the results, it was found that the state of mixure in piston secondland and ring groove has effect on backfire occurrence, backfire limit equivalence ratio was extended by increasing the amount of blow-by gas.<br/>
볼트 결합부가 있는 구조물의 유한요소 모델링 및 실험적 검증
김진곤(J.G.Kim),김윤영(Y.Y.Kim),최석환(S.H.Choi),김병권(B.K.Kim) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.11_1
A reliable and practical finite element modelling technique to estimate the behavior of complex structures with bolted joints is important for engineers in the industry. Accordingly, we have examined several simplified modelling techniques which do not require the use of special elements such as a gap element. The dynamic and static experiments have confirmed that the technique to model the bolted joints with solid and rigid elements gives most satisfactory results.<br/>