Chinese Journal of Ship Research, Volume. 16, Issue 6, 201(2021)
Dynamic and tribological coupling analysis of journal bearing based on dynamic substructure
Figures & Tables(17)
![[in Chinese]](/Images/icon/loading.gif){kind=icon}
Table 1. Main parameters of bearing wear test bed
View tableView in ArticleTable 1. Main parameters of bearing wear test bed
参数 数值 参数 数值 轴承宽度b/mm 29 油孔位置/(°) 45 轴颈直径/mm 52.68 油孔直径/mm 4 径向（半径）间隙c/μm 250 进油温度/℃ 55 支撑轴瓦1（半径）间隙c1/μm 50 进油压力/bar 9 支撑轴瓦2（半径）间隙c2/μm 50 轴颈表面粗糙度/μm 0.4 润滑油牌号 10W-30 轴瓦表面粗糙度/μm 0.5
Table 2. Finite element model and condensed model of main parts
View tableView in ArticleTable 2. Finite element model and condensed model of main parts
零部件 有限元模型 缩减模型 偏心轴 支撑轴承座 连杆
Table 3. Comparison of modal frequency between finite element models and condensed model of eccentric shaft
View tableView in ArticleTable 3. Comparison of modal frequency between finite element models and condensed model of eccentric shaft
阶数 频率/Hz 误差/% 振型 有限元模型 缩减模型 1 1 708.5 1 710.5 0.117 YZ 面内弯曲模态 2 1 718.7 1 721.7 0.175 XZ 面内弯曲模态 3 4 021.6 4 020.4 −0.030 扭转模态 4 4 332.6 4 344.5 0.275 YZ 面内弯曲模态 5 4 360.8 4 362.9 0.048 XZ 面内弯曲模态
Table 4. Comparison of modal frequency between finite element model and condensed model of connecting rod
View tableView in ArticleTable 4. Comparison of modal frequency between finite element model and condensed model of connecting rod
阶数 频率/Hz 误差/% 振型 有限元模型 缩减模型 1 963.5 963.23 −0.03 XZ 面内弯曲模态 2 1 213.6 1 212.4 −0.10 扭转模态 3 1 558.6 1 554.6 −0.26 YZ 面内弯曲模态 4 1 816.4 1 814.4 −0.11 小端局部模态 5 2 644.1 2 645.1 0.038 扭转模态
Table 5. Main test parameters of bearing wear test bed
View tableView in ArticleTable 5. Main test parameters of bearing wear test bed
传感器 信号类型 被测对象 位移传感器 位移 轴心轨迹 扭矩仪 扭矩 摩擦功耗 温度传感器 温度 瓦背温度 压力传感器 压力 供油压力
Table 6. EHD calculation results of diffrent bearings of the test bed
View tableView in ArticleTable 6. EHD calculation results of diffrent bearings of the test bed
轴承号 性能参数 pmax /MPa hmin /μm λ γ/% Wm /W 1 2.87 20.87 32.61 0 241.74 2 16.51 8.07 12.61 0 318.92 3 106.78 1.38 2.03 1.42 486.89 4 16.49 8.07 12.61 0 319.03 5 2.68 20.89 32.64 0 248.67
Tools
Get Citation
Copy Citation Text
Xin YANG, Genxiang GU, Sicong SUN, Jianming ZHOU, Saili LI. Dynamic and tribological coupling analysis of journal bearing based on dynamic substructure[J]. Chinese Journal of Ship Research, 2021, 16(6): 201
Paper Information
Category: Marine Machinery, Electrical Equipment and Automation
Received: Jan. 14, 2021
Accepted: --
Published Online: Mar. 28, 2025
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20