TY - JOUR
T1 - Analysis of novel eddy current damper for multi-ring permanent magnet thrust bearing
AU - Deshwal, Dhruv
AU - Bekinal, Siddappa I.
AU - Doddamani, Mrityunjay
N1 - Funding Information:
Authors acknowledge the support provided by Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal and ME Department of National Institute of Technology Karnataka, Surathkal for carrying out the research work.
Publisher Copyright:
© 2021, Electromagnetics Academy. All rights reserved.
PY - 2021
Y1 - 2021
N2 - —This paper deals with analyzing a novel eddy current damper for an axially magnetized multi-ring permanent magnet thrust bearing (MPMTB). Initially, the bearing is optimized for maximum axial force by selecting three general parameters (air gap, outer diameter of stator, and length) using a generalized optimization procedure. Then, the axial force of an optimized bearing is validated with the mathematical model results. Finally, the novel and conventional eddy current dampers (ECDs) for an optimized MPMTB are analyzed for damping forces and coefficients using three-dimensional (3D) finite element transient analysis in ANSYS. Based on the analysis results, the proposed novel structure could be selected to replace the conventional one for providing damping to MPMTB effectively without affecting the radial air gap between the rotor and stator rings.
AB - —This paper deals with analyzing a novel eddy current damper for an axially magnetized multi-ring permanent magnet thrust bearing (MPMTB). Initially, the bearing is optimized for maximum axial force by selecting three general parameters (air gap, outer diameter of stator, and length) using a generalized optimization procedure. Then, the axial force of an optimized bearing is validated with the mathematical model results. Finally, the novel and conventional eddy current dampers (ECDs) for an optimized MPMTB are analyzed for damping forces and coefficients using three-dimensional (3D) finite element transient analysis in ANSYS. Based on the analysis results, the proposed novel structure could be selected to replace the conventional one for providing damping to MPMTB effectively without affecting the radial air gap between the rotor and stator rings.
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U2 - 10.2528/PIERM21070107
DO - 10.2528/PIERM21070107
M3 - Article
AN - SCOPUS:85112763921
SN - 1937-8726
VL - 104
SP - 13
EP - 22
JO - Progress In Electromagnetics Research M
JF - Progress In Electromagnetics Research M
ER -