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  • 标题:Research on the force of radial bearing of a nuclear main pump rotor system by database method
  • 本地全文:下载
  • 作者:Y P Cen ; Y P Cen ; H B Chen
  • 期刊名称:IOP Conference Series: Earth and Environmental Science
  • 印刷版ISSN:1755-1307
  • 电子版ISSN:1755-1315
  • 出版年度:2019
  • 卷号:237
  • 期号:3
  • 页码:032134
  • DOI:10.1088/1755-1315/237/3/032134
  • 出版社:IOP Publishing
  • 摘要:This paper discusses the method of solving the radial sliding bearing force of a nuclear main pump rotor system using the pre-built database. For a sliding bearing with a certain size, the Reynolds equation can be decomposed and be equivalent of the problem of solving the liquid film pressure in both pure rotation and pure extrusion states. A database for solving the bearing force is established by pre-calculating the liquid film pressure of the radial sliding bearing under these two states with different eccentricities. By comparing with three analytical models, the bearing forces obtained by this method are closer to the results obtained by the finite difference method. And compared with the finite difference method, the method is much faster.
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