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2023-02-16
Damping System for an Optimized Rotation Magnetized Direction Permanent Magnet Thrust Bearing
By
Progress In Electromagnetics Research C, Vol. 130, 15-30, 2023
Abstract
An eddy current damper for an optimized rotation magnetized direction (RMD) permanent magnet thrust bearing (PMTB) was analyzed in this paper. Initially, 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 airgap. Furthermore, the axial force of the optimized RMD configuration calculated using 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.
Citation
Amarsh Jalaik, Supreeth Dinesh Kumar, Gireesha R. Chalageri, Siddappa Iranna Bekinal, Mrityunjay Doddamani, and Shivamurthy Rokkad Chandranna, "Damping System for an Optimized Rotation Magnetized Direction Permanent Magnet Thrust Bearing," Progress In Electromagnetics Research C, Vol. 130, 15-30, 2023.
doi:10.2528/PIERC22121404
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