Preliminary experimental study on static loading characteristics of multi-decked protuberant foil thrust bearing

DOI Web Site 被引用文献2件 参考文献29件
  • LAI Tianwei
    State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
  • CHEN Shuangtao
    State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
  • MA Bin
    State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
  • LIU Liqiang
    Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences
  • HOU Yu
    State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University

書誌事項

公開日
2016
DOI
  • 10.1299/jamdsm.2016jamdsm0008
公開者
一般社団法人 日本機械学会

説明

In the fluid film lubrication of high speed turbomachinery, bearing performance plays a significant role in the dynamics of the rotor-bearing system. In this paper, a novel foil thrust bearing using multi-decked protuberant foils as supporting structure is developed and tested. Experimental bearing test rig using gas-driven high speed turbo-expander is set up to evaluate static loading characteristics of the bearing. Static stiffness, friction torque, nominal bearing clearance and axial vibration amplitude are discussed in the transient processes. Static loading characteristic of the bearing is evaluated based on the relationship between displacement and loading force. Test results indicate that this simply configured thrust bearing has a good prospect in high speed hydrodynamic lubrication.

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