On the performance of gas-lubricated bearing-rotor system in microengine

15th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications

物理学;能源学

Wang, Xiaoli^1

Beijing Institute of Technology, Beijing, China^1

关键词: Bearing systems;    Comprehensive analysis;    Dynamic characteristics;    Dynamics modeling;    Lubricated bearings;    Lubrication models;    Micro-bearings;    Viscous friction;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/660/1/012089/pdf
DOI  :  10.1088/1742-6596/660/1/012089

来源: IOP

【 摘 要 】

This paper reports a comprehensive analysis of the performance for gas-lubricated bearing-rotor system in silicon microengine. The generalized lubrication model and dynamics model are developed and the effects of micro fabrication defects, temperature and viscous friction force on both steady-state and dynamic characteristics of bearing system are investigated. The results can serve as a useful tool for the design of silicon microbearing- rotor systems.