Nested dichotomy method for calculation static and dynamic characteristics of lubricating oil film in tilting pad thrust bearing

被引：0
|
作者：
Li X.-Y. [1 ]
Zhao Y. [1 ]
机构：
[1] School of Naval Architecture & Ocean Engineering, Huazhong University of Science & Technology, Wuhan
来源：
Chuan Bo Li Xue/Journal of Ship Mechanics | 2019年 / 23卷 / 02期
关键词：
Hydrodynamic lubricating oil film; Nested dichotomy method; Static and dynamic characteristics; Tilting pads thrust bearing;
D O I：
10.3969/j.issn.1007-7294.2019.02.003
中图分类号：
学科分类号：
摘要：
In the longitudinal vibration characteristic analysis of ship propulsion shafting, the dynamic characteristic of the oil film between the thrust collar and tilting pads is one of significant links for shafting force transmission and the vibration response analysis. The theoretical model of lubricating oil film was established, and based on the finite difference method, nested dichotomy method was brought forward here to numerically solve the oil film dynamic characteristics, and it is concluded how the oil film dynamic characteristic changes with rotating speed, when the shaft load and rotating speed are independent and non-independent respectively. In vibratory test of ship propulsion shafting, the change rule of frequency-response function amplitude at different rotating speed was explained. © 2019, Editorial Board of Journal of Ship Mechanics. All right reserved.
引用
收藏
页码：142 / 151
页数：9
相关论文
共 14 条
  • [1] Schwanecke H., Investigations on the hydrodynamic stiffness and damping of thrust bearing in ship, Transactions of the Institute of Marine Engineers, 91, pp. 68-77, (1979)
  • [2] Vassilopoulos M.L., Methods for computing stiffness and damping properties of main propulsion thrust bearing, International Shipbuilding Progress, 329, 29, pp. 13-31, (1982)
  • [3] Purday H.F.P., Streamline flow: An introduction to the mechanics of viscous flow, film lubrication, the flow of heat by conduction, and heat transfer by convection, (1949)
  • [4] Srikanth D.V., Chaturvedi K.K., Reddy A.C.K., Modelling of large tilting pad thrust bearing stiffness and damping coefficients, Tribology in Industry, 31, 3-4, (2009)
  • [5] Almqvist T., Glavatskikh S.B., Larsson R., THD analysis of tilting pad thrust bearings-comparison between theory and experiments, Journal of Tribology, 122, 2, pp. 412-417, (2015)
  • [6] Zhang G., Zhao Y., Li T., Et al., Propeller excitation of longitudinal vibration characteristics of marine propulsion shafting system, Shock and Vibration, (2014)
  • [7] Wen S., Huang P., Tribological Principle, (2002)
  • [8] Wen S., Yang P., Elastohydrodynamic lubrication, Journal of Tsinghua University: Natural Science, 5, (1993)
  • [9] Li Z., Yuan X., Zhu J., A study of linear and non-linear dynamic performance for tilting-pad thrust bearing, China Mechanical Engineering, 5, (2000)
  • [10] Huang B., Study on three dimensional TEHD, vibration and noise characteristics of thrust bearings, (2013)
12