Theoretical and experimental research on the effect of bi-directional misalignment on the static and dynamic characteristics of a novel bearing

被引:60
|
作者
Xie, Zhongliang [1 ,2 ]
Jiao, Jian [1 ]
Zhao, Bin [3 ]
Zhang, Jianbo [4 ]
Xu, Fangcheng [5 ]
机构
[1] Northwestern Polytech Univ, Dept Engn Mech, Xian 710072, Peoples R China
[2] Northwestern Polytech Univ, Res & Dev Inst, Shenzhen 518057, Peoples R China
[3] Harbin Engn Univ, Harbin 150001, Peoples R China
[4] AECC Hunan Aviat Powerplant Res Inst, Zhuzhou 412002, Peoples R China
[5] Dalian Univ Technol, Sch Control Sci & Engn, Dalian 116024, Peoples R China
基金
中国国家自然科学基金;
关键词
Water-lubricated bearing; Bidirectional misalignment effect; Mixed lubrication regime; Dynamic performances; LOAD;
D O I
10.1016/j.ymssp.2023.111041
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Misalignment effects have significant impacts on the behaviors of water-lubricated bearings of ships. This work focuses on the influences of bidirectional misalignment effects. The new lubrication models with bidirectional misalignment effects are established. The investigation on the comparison among bidirectional misalignment effect, single-direction misalignment effect as well as alignment effect is launched. The variation laws and trends of static performances and dynamic characteristics under four groups of misalignment effects are clarified. The vibration signals are compared. The reliability and reality of the present algorithm is validated by the comparison between calculation results and experimental data. The research presents novel analysis methods for the further exploration of misalignment effect and provides the important instructions for the practical applications.
引用
收藏
页数:29
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