Thermal and Mechanical Fields Analysis of Superconducting Magnet and Dewar System for Double-Stator Superconducting Brushless Machines

Zhiyu Qiu, Zhiheng Zhang, Xianglin Li, Yubin Wang and Wei Hua ()
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Zhiyu Qiu: School of Electrical Engineering, Southeast University, Nanjing 210096, China
Zhiheng Zhang: School of Electrical Engineering, Southeast University, Nanjing 210096, China
Xianglin Li: College of Electrical Engineering, Qingdao University, Qingdao 266071, China
Yubin Wang: College of New Energy, China University of Petroleum, Qingdao 266580, China
Wei Hua: School of Electrical Engineering, Southeast University, Nanjing 210096, China

Energies, 2024, vol. 17, issue 23, 1-12

Abstract: The double-stator superconducting brushless machine (DS-SCBM) combines high torque density and excellent static sealing characteristics, as well as advantages in reliability and cost-effectiveness. To ensure the long-term stability of the superconducting magnet and Dewar (SCMD) system, this study evaluates the pressure-bearing capacity and heat leakage from the support frame, selecting appropriate materials and dimensions. Furthermore, a model of the thermal and mechanical fields for the SCMD system is developed using finite element analysis which assesses the impact of various reinforcement structures on the mechanical and thermal properties of the superconducting (SC) magnet. Based on this analysis, the dimensions of the reinforcement structures, Dewars, and vacuum interlayer are optimized. Subsequently, efforts are made to manufacture the designed system and its performance is tested.

Keywords: superconducting (SC); double-stator superconducting brushless machine (DS-SCBM); finite element analysis (FEA); physical field analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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