烟台大学学报（自然科学与工程版）2025，Vol.38Issue(1)：110-117,8.DOI:10.13951/j.cnki.37-1213/n.230801
气动止推轴承非线性特性分析与优化
Analysis and Improvement of Nonlinear Characteristics of Gas Thrust Bearing
耿祥 1应华 1王升科 2王凤云 1谢元豪 2赵林亭2
作者信息
- 1. 烟台大学机电汽车工程学院,山东烟台 264005
- 2. 烟台东德实业有限公司,山东烟台 264006
- 折叠
摘要
Abstract
An approach is presented to cure the problem of insufficient bearing capacity and stability of existing gas thrust bearings assembled on a certain type of fuel cell air compressor.Based on the existing gas bump thrust bear-ings,a gas-dynamic thrust bearing test bench is independently designed and built,and the overall stiffness damping characteristics of thrust bearings with different wave-foil structures are analyzed and studied experimentally and nu-merically combined with ANSYS and MATLAB tools.The results show that the overall stiffness of the bearing will continue to change with the increase of loading force,showing a strong nonlinearity.The thickness of the wave foil has a great influence on its stiffness,the latter increasing with the former.Different materials have different elastic modulus,which also has a great influence on the stiffness of the wave foil.The stiffness characteristics of wave foil are mainly affected by wave height and unit wavelength,and the transition mode between wave and wave has little effect on wave foil stiffness.The simulation model established by ANSYS and the stiffness model obtained by MAT-LAB fitting can appropriately reflect the bearing performance and provide reference for subsequent bearing improve-ment.关键词
止推轴承/波箔式气体动压轴承/非线性特性/ANSYS/MATLABKey words
thrust bearing/gas foil bearing/nonlinear characteristics/ANSYS/MATLAB分类
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耿祥,应华,王升科,王凤云,谢元豪,赵林亭..气动止推轴承非线性特性分析与优化[J].烟台大学学报（自然科学与工程版）,2025,38(1):110-117,8.
