Damping System for an Optimized Rotation Magnetized Direction Permanent Magnet Thrust Bearing

Document Type

Article

Publication Title

Progress In Electromagnetics Research C

Abstract

An eddy current damper for an optimized rotation magnetized direction (RMD) permanent magnet thrust bearing (PMTB) was analyzed in this paper. Initially, the optimization of critical design variables was performed for a particular bearing volume for maximum force as well as stiffness. Then, generalized curve fit equations were established to obtain a correlation between different geometrical parameters concerning the outer diameter and air gap. Furthermore, the axial force of the optimized RMD configuration calculated using a mathematical model was validated using the results of FEA in ANSYS. Finally, finite element simulation was performed to evaluate the damping forces generated by an eddy current damper (ECD) for an optimized thrust bearing. Analysis has shown that eddy current dampers can improve system damping.

First Page

15

Last Page

30

DOI

10.2528/PIERC22121404

Publication Date

1-1-2023

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