几何形状对部分微槽气体润滑平行滑块轴承润滑性能的影响

IF 0.6 4区 工程技术 Q4 MECHANICS
Mechanika Pub Date : 2023-06-17 DOI:10.5755/j02.mech.32384
Fuxi Liu, Chunjie Yang, Shanwu Xu, Kang Xie, Dunzhao Xie, Binhui Han, Zhanlong Li
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引用次数: 0

摘要

研究了微沟槽参数和微沟槽截面形状对部分微沟槽气体润滑平行滑块轴承润滑性能的影响。多网格有限元法的求解过程是将有限元法所形成的代数方程依次通过由粗网格向细网格的插值和由细网格向粗网格的约束进行平滑处理。采用多网格有限元法,得到了部分微槽气体润滑平行滑块轴承的压力分布。优化开槽参数,得到不同微槽截面形状下的最大平均压力。结果表明:微沟槽的取向角、微沟槽深度、微沟槽宽度、微沟槽面积密度、微沟槽比例和微沟槽截面形状对部分微沟槽气体润滑平行滑块轴承的动水压力有重要影响。研究结果表明,采用适当的微沟槽参数和微沟槽交叉形状可以明显提高部分微沟槽气体润滑平行滑块轴承的润滑性能。研究结果对部分微槽气体润滑平行滑块轴承的设计具有一定的指导意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Influence of Geometrical Shape on the Lubrication Performance of Partially Micro-Grooved Gas-Lubricated Parallel Slider Bearings
The influence of grooving parameters and micro-groove cross-section shape on the lubrication performance of partially micro-grooved gas-lubricated parallel slider bearings is investigated in the present study. The solution procedure for the multi-grid finite element method is that the algebraic equations formed by the finite element method are in turn smoothed by the interpolation from the coarse grid to the fine grid and the restriction from the fine grid to the coarse grid. By adopting the multi-grid finite element method, the pressure distribution of partially micro-grooved gas-lubricated parallel slider bearings is obtained. The grooving parameters are optimized to obtain the maximum average pressure for different micro-groove cross-section shapes. The results show that the orientation angle of the micro-grooves, depth of the micro-grooves, width of the micro-grooves, area density of the micro-grooves, micro-grooved fraction, and cross-section shape of the micro-grooves have an important influence on the hydrodynamic pressure of partially micro-grooved gas-lubricated parallel slider bearings. The results of this study demonstrate that the lubrication performance of partially micro-grooved gas-lubricated parallel slider bearings can be obviously enhanced by adopting the appropriate grooving parameters and micro-groove cross-shape. The results of this study is beneficial for the design of partially micro-grooved gas-lubricated parallel slider bearings.
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来源期刊
Mechanika
Mechanika 物理-力学
CiteScore
1.30
自引率
0.00%
发文量
50
审稿时长
3 months
期刊介绍: The journal is publishing scientific papers dealing with the following problems: Mechanics of Solid Bodies; Mechanics of Fluids and Gases; Dynamics of Mechanical Systems; Design and Optimization of Mechanical Systems; Mechanical Technologies.
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