Experimental Identification of Dynamic Coefficients of Fluid Film Bearings by Using Electro-Magnetic Actuator
Plantegenet, T. 
ORCID: 0000-0003-0585-3726, Arghir, M. & Mahfoud, J. (2022).
Experimental Identification of Dynamic Coefficients of Fluid Film Bearings by Using Electro-Magnetic Actuator.
Paper presented at the 17th International Symposium on Magnetic Bearings, 18-19 Aug 2022, Rio de Janeiro, Brazil.
Abstract
The present study is focused on the design and use of an ElectroMagnetic Actuator (EMA) for the experimental identification of cylindrical and tilting pad journal bearings rotordynamic coefficients. First, the experimental apparatus is described, then the force-current formulation controlling the EMA is adapted and experimentally validated using the transverse momentum of inertia of the rotor. Finally, an extensive set of experiments is conducted to compute the rotordynamic coefficients of fluid film bearings by resolving a 2 dof system
| Publication Type: | Conference or Workshop Item (Paper) |
|---|---|
| Publisher Keywords: | electro magnetic actuator; Dynamic coefficients; Hydrodynamic bearing; Flexure pivot tilting pad bearing |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Departments: | School of Science & Technology > Engineering |
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