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

Amarsh Jalaik, Supreeth D. Kumar, Gireesha R. Chalageri, Siddappa Iranna Bekinal, Mrityunjay Doddamani, Shivamurthy R. Chandranna

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)15-30
Number of pages16
JournalProgress In Electromagnetics Research C
Volume130
DOIs
Publication statusPublished - 2023

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials

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