| Issue |
MATEC Web Conf.
Volume 80, 2016
NUMIFORM 2016: The 12th International Conference on Numerical Methods in Industrial Forming Processes
|
|
|---|---|---|
| Article Number | 12003 | |
| Number of page(s) | 7 | |
| Section | MS12: Computational Fluid Dynamics in Material Forming Processes | |
| DOI | https://doi.org/10.1051/matecconf/20168012003 | |
| Published online | 24 October 2016 | |
Sensitivity analysis of size effect on the performance of hydrostatic bearing
College of Mechanical Engineering and Applied Electrics Technology, Beijing University of Technology, Beijing 100124, China
a Corresponding author: djchen@bjut.edu.cn
For size effect on solid-liquid interface of hydrostatic bearing oil film gap flow in two-dimension, fluid dynamic method is applied to investigate the influence of size effect on bearing capacity, dynamic stiffness and other performances. With the consideration of size effect, Reynolds equation is modified by adopting velocity slip boundary condition into Reynolds equation. The sensitivity factors are used to make a quantitative and qualitative analysis. Numerical simulation results show that size effect will affect bearing performances to a certain degree and the effect curve of size effect on bearing performances are given. The four maximum oil film pressures reduce with the increase of slip length. The maximum sensitivity of bearing capacity is 81.94%.
© The Authors, published by EDP Sciences, 2016
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