4.7 Article

An investigation on the lubrication characteristics of floating ring bearing with consideration of multi-coupling factors

期刊

出版社

ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ymssp.2021.108086

关键词

Floating ring bearings; Lubrication performances; Dynamic coefficients; Clearance ratio; Vertical load

资金

  1. Research Project of State Key Laboratory of Mechanical System and Vibration [MSV202110]
  2. Project National United Engineering Laboratory for Advanced Bearing Tribology, Henan University of Science and Technology [202101]
  3. Open Fund of State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (LSL2012)
  4. Fundamental Science on Vibration, Shock AMP
  5. Noise Laboratory [VSN202001]
  6. China Postdoctoral Science Foundation [2019M650257]
  7. Fundamental Research Funds for the Central Universities [JB210422, JB190411]

向作者/读者索取更多资源

The paper investigates the static and dynamic lubrication parameters of the floating ring bearing (FRB) by proposing modified lubrication models and utilizing multiscale methods to enhance calculation accuracy and efficiency. The study analyzes the influence of various factors on lubrication performances and concludes that the clearance ratio affects the inner oil film while the vertical load influences the bearing's lubrication performances. These conclusions are applicable to similar floating ring bearings.
The paper investigates the static and dynamic lubrication parameters of the floating ring bearing (FRB). Modified lubrication models considering the effects of various coupling factors are proposed. Multiscale methods are exploited to enhance the accuracy and efficiency of the calculation. The simulation procedures are developed to analyze the lubrication performances. Theoretical results agree well with the references. Influences of clearance ratio, vertical load and rotating speed on the static lubrication parameters and the dynamic lubrication parameters of the inner oil film and the outer oil film are investigated systematically. Changing rules of the lubrication parameters are summarized and concluded. The clearance ratio has influences on the lubrication performances of the inner film while has no influences on the outer film. The vertical load has influences on the lubrication performances of the bearing. The conclusions are applicable to such floating ring bearing with the similar structures.

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