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Numerical study on the effect of oil removal from aero-engine bearing chamber and improvement
文献类型:会议
作者:Lyu, Yaguo[1]  Zhao, Jingyu[2]  Liu, Zhenxia[3]  Ren, Guozhe[4]  
机构:[1]School of Power and Energy, Northwestern Polytechnical University, Xi'an, China
[2]School of Power and Energy, Northwestern Polytechnical University, Xi'an, China
[3]School of Power and Energy, Northwestern Polytechnical University, Xi'an, China
[4]School of Power and Energy, Northwestern Polytechnical University, Xi'an, China
年:2016
会议名称:71st Society of Tribologists and Lubrication Engineers Annual Meeting and Exhibition 2016
页码范围:197-200
会议地点:Las Vegas, NV, United states
会议开始日期:2016-05-15
会议结束日期:2016-05-19
收录情况:EI(20170603323671)  
所属部门:动力与能源学院
人气指数:743
浏览次数:739
语言:外文
摘要:
Effective oil removal from the scavenge is essential to improve the oil distribution in the bearing chamber and avoid excessive heat generation, especially under the high rotation speed. In this paper, based on an simplified bearing chamber, two oil-return structures for scavenge offtakes (ramp sump and eccentricity sump) are designed and improved, the oil-gas two-phase flow model with Volume of Fluid (VOF) is proposed, and characteristics of two-phase flow field and oil-return efficiency from t ...More
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