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이두순(D.S.Lee),김원규(W.K.Kim),오대윤(D.Y.Oh),최재권(J.K.Choi) 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.5_1
We developed a new measuring equipment which makes it possible to perform on-line measurements with the merits of its simplicity and the time-saving characteristics. By using the newly developed measurement system, the amount of aeration is directly measured on several parameters, i. e., engine speed, oil quantity, oil deterioration, oil temperature and viscosity, etc. It showed that oil aeration is strongly related to the gas movements in crankcase and the residence time of circulating oil in oil pan. In addition, in order to clarify the mechanism of aeration and to quantify the degree of aeration, a modelling analysis to predict aeration was performed, and as a guiding parameter, Aeration Index was defined. Finally, the parameter was compared with the actual amount of aeration, and it was confirmed that they gave a good correlation with each other.<br/>