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当前位置：电气工程与自动化 > 2025年 4卷 (4)期

Open Access Article

Journal of Electrical Engineering and Automation. 2025; 4: (4) ; 38-45 ; DOI: 10.12208/j.jeea.20250108.

Study on a double c-shaped superconducting induction heating device based on rotating copper ring
基于旋转铜环的双C型超导感应加热装置研究

作者： 杨海思 *, 张文峰

南京邮电大学江苏南京

*通讯作者：杨海思,单位：南京邮电大学江苏南京；

发布时间: 2025-04-10 总浏览量: 82

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摘要

与加热效率低于40%的传统感应加热技术相比，高温超导感应加热技术的加热效率高、市场竞争优势大，本文在已有高温超导感应加热装置的研究基础上提出了一种基于旋转铜环的双C型超导感应加热装置。高导电性的铜环在通电的超导线圈产生的直流磁场中旋转并切割磁感线，利用铜环中涡流效应致热并经气隙传导至铝锭，从而完成对铝锭的加热。该文使用有限元软件COMSOL对装置进行建模，通过设置边界层网格、绝热边界条件，对模型进行了磁-热多物理场耦合仿真和转矩计算，并且研究了铜环转速、厚度对其磁场分布、涡流密度分布的影响。研究证实旋转铜环结构的设计使涡流损耗提升了33.2%，为高温超导感应加热设备的优化设计和性能提升提供了理论支持和参考依据。

关键词： 感应加热；高温超导；电磁热耦合；多物理场耦合

Abstract

Compared to traditional induction heating technologies with efficiencies below 40%, high-temperature superconducting (HTS) induction heating technology demonstrates superior heating efficiency and significant market competitiveness. Building upon existing research on HTS induction heating devices, this paper proposes a double-C-shaped superconducting induction heating device based on a rotating copper ring. A highly conductive copper ring rotates within the DC magnetic field generated by energized superconducting coils, cutting magnetic flux lines. This induces eddy currents within the copper ring, generating heat which is then transferred across an air gap to heat aluminum ingots. Finite element modeling of the device were performed using COMSOL Multiphysics software. Employing boundary layer meshing and adiabatic boundary conditions, magneto-thermal multiphysics coupling simulations and torque calculations were conducted. The study specifically investigated the influence of copper ring rotational speed and thickness on magnetic field distribution and eddy current density distribution within the ring. The research confirms that the rotating copper ring design increases eddy current losses by 33.2%. These findings provide theoretical support and a reference framework for the optimized design and performance enhancement of high-temperature superconducting induction heating equipment.

Key words： Induction heating; High temperature superconductivity; Electromagnetic thermal coupling; Multiphysics coupling

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引用本文

杨海思, 张文峰, 基于旋转铜环的双C型超导感应加热装置研究[J]. 电气工程与自动化, 2025; 4: (4) : 38-45.

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