Page 326 - 《振动工程学报》2026年第5期
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1530                               振     动     工     程     学     报                     第 39 卷

              2.28×10 和 4  2.22×10  r/min。其中,当安装的不平衡质               分析的解析-CFD     混合方法    [J]. 机械工程学报,2018,
                              4
              量为   120 mg  时,未观察到明显的次同步振动出现。                        54(11):180-186.
                                                                    LI  Yifei, YIN  Yihui, YANG  Hong, et  al.  Analytic-CFD
              随着所添加的不平衡质量的增大,转子系统的不平
                                                                    combined  method  for  analysis  of  mechanical  properties  of
              衡量降低,次同步振动出现的转速区间减小,振幅减                               externally  pressurized  gas  journal  bearing[J].  Journal  of
              小,多孔质可倾瓦气体轴承-转子系统的稳定性得到                               Mechanical Engineering,2018,54(11):180-186.
                                                                [3]  SAN  ANDRÉS  L, YANG  J, DEVITT  A.  On  tilting  pad
              改善。
                                                                    carbon-graphite  porous  journal  bearings: measurements  of
                    14                                              imbalance response and comparison to predictions of bearing

                       不平衡质量       55 mg   85 mg   120 mg
                    12                                              performance  and  system  dynamic  response[J].  Tribology
                    10                  不平衡质量增大                 [4]  Transactions,2021,64(6):981-995.
                                                                    ZHANG P H. A study on accuracy of porous journal air bear-
                   振幅 / μm  8 6                                     ing[J]. Precision Engineering,2020,66:42-51.


                                                                    究综述
                     4                  17400~22200 r/min       [5]  丁水汀,张向波,杜发荣,等. 石墨多孔介质气体轴承研
                                                                          [J]. 航空学报,2022,43(10):500-517.
                     2                   13200~22800 r/min          DING  Shuiting, ZHANG  Xiangbo, DU  Farong, et  al.  A
                     0                                              review  of  studies  on  carbon-graphite  porous  gas  bearings[J].
                      0     1×10 4  2×10 4  3×10 4  4×10 4          Acta  Aeronautica  et  Astronautica  sinica, 2022, 43( 10) :
                                          −1
                                转速 / (r·min )
                                                                    500-517.
              图 17 不同不平衡质量下竖直方向次同步振动幅值随转速                       [6]  JIN X F,XIA P,LIU Z S,et al. Thermo-hybrid lubrication
                   的变化曲线                                            FSI-CFD model for the static characteristics of hybrid porous
                                                                    tilting pad bearings[J]. Tribology International,2022,167:
              Fig. 17 Variation curves of vertical sub-synchronous vibration
                                                                    107397.
                     amplitude  with  rotational  speed  under  different
                                                                [7]  SAN  ANDRÉS  L, TAO  Y  J, LI  Y  K.  Tilting  pad  journal
                     unbalanced masses
                                                                    bearings: on  bridging  the  hot  gap  between  experimental
                                                                    results  and  model  predictions[J].  Journal  of  Engineering  for
                                                                    Gas Turbines and Power,2015,137(2):022505.
              4    结     论                                      [8]  DELGADO  A, ERTAS  B.  Dynamic  characterization  of  a
                                                                    novel  externally  pressurized  compliantly  damped  gas-lubri-
                  本文建立了多孔质可倾瓦气体轴承-转子系统动                             cated  bearing  with  hermetically  sealed  squeeze  film  damper
                                                                    modules[J].  Journal  of  Engineering  for  Gas  Turbines  and
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                                                                    Power,2019,141(2):021028.
              速时间的影响。利用降速试验,探究了轴承供气压                            [9]  WU Y H,DENG M W,FENG K,et al. Investigations on
              力和转子系统不平衡量对系统动力学响应的影响规                                the nonlinear dynamic characteristics of a rotor supported by
              律。本文的主要结论如下:                                          porous  tilting  pad  bearings[J].  Nonlinear  Dynamics, 2020,
                                                                    100(3):2265-2286.
                  (1)转子的悬浮高度随轴承供气压力的增大而
                                                                [10]  FENG K,WU Y H,LIU W H,et al. Theoretical investiga-
              升高。                                                   tion  on  porous  tilting  pad  bearings  considering  tilting  pad
                  (2)增大轴承的供气压力,可以降低多孔质可倾                            motion and porous material restriction[J]. Precision Engineer-
              瓦气体轴承-转子系统的摩擦力。                                       ing,2018,53:26-37.
                                                                [11]  SAN  ANDRÉS  L, YANG  J, MCGOWAN  R.  Measure-
                  (3)增大轴承供气压力可增大轴承竖直方向的
                                                                    ments  of  static  and  dynamic  load  performance  of  a  102  mm
              刚度、阻尼和临界转速,降低次同步振动的幅值和                                carbon-graphite  porous  surface  tilting-pad  gas  journal
              转速范围,提高转子系统稳定性。                                       bearing[J].  Journal  of  Engineering  for  Gas  Turbines  and
                  (4)减小系统不平衡量可有效降低同步振动幅                             Power,2021,143(11):111017.
                                                                [12]  SAN ANDRÉS L,CABLE T A,ZHENG Y,et al. Assess-
              值,减小次同步振动的幅值和转速范围,提高转子系
                                                                    ment of porous type gas bearings:measurements of bearing
              统稳定性。                                                 performance  and  rotor  vibrations[C]//Proceedings  of  the
                                                                    ASME Turbo Expo 2016:Turbomachinery Technical Confer-
                                                                    ence and Exposition. Volume 7B:Structures and Dynamics.
              参考文献:

                                                                    ASME,2016:V07BT31A031.
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