使用显式-隐式混合算法高效计算 ReBCO 无绝缘薄饼线圈电磁场的修正 J 模型

IF 1.8 3区工程技术 Q3 PHYSICS, APPLIED

Cryogenics Pub Date : 2024-05-31 DOI:10.1016/j.cryogenics.2024.103863

Yunkai Tang , Donghui Liu , Shouhong Shan , Dongke Li , Xiaohui Lin , Shuiliang Zhen , Chao Zhang , Huadong Yong

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引用次数: 0

摘要

稀土（Re）Ba2Cu3O7-x（ReBCO）无绝缘（NI）线圈因其优异的电磁和热性能而受到广泛关注。然而，无绝缘线圈中匝间分流的存在导致数值模拟的复杂性增加。本文提出了一种改进的 J 模型，并设计了相应的显隐混合算法来计算 NI 线圈。数值结果与实验数据和电路模型十分吻合。同时还提出了同质化模型来模拟背景磁体中的大规模 NI 线圈。改进后的 J 模型具有良好的精度和快速的计算速度，也可用于高效求解绝缘线圈的电磁场。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A modified J model for efficiently calculating the electromagnetic fields of ReBCO no-insulation pancake coils using an explicit–implicit hybrid algorithm

Rare-earth (Re)Ba₂Cu₃O_7−x (ReBCO) no-insulation (NI) coil is widely concerned due to its excellent electromagnetic and thermal properties. However, the presence of the turn-to-turn shunts in NI coils leads to that complexity of numerical simulation is increased. In this paper, a modified J model is proposed and the corresponding explicit–implicit hybrid algorithm is designed to calculate NI coils. The numerical results are in good agreement with the experimental data and the circuit model. The homogenization model is also proposed to simulate the large-scale NI coils in the background magnets. The modified J model has good accuracy and fast calculation speed, which can also be used to solve electromagnetic fields of insulation coils efficiently.

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来源期刊

Cryogenics 物理-热力学

CiteScore

3.80

自引率

9.50%

发文量

审稿时长

2.1 months

期刊介绍： Cryogenics is the world''s leading journal focusing on all aspects of cryoengineering and cryogenics. Papers published in Cryogenics cover a wide variety of subjects in low temperature engineering and research. Among the areas covered are: - Applications of superconductivity: magnets, electronics, devices - Superconductors and their properties - Properties of materials: metals, alloys, composites, polymers, insulations - New applications of cryogenic technology to processes, devices, machinery - Refrigeration and liquefaction technology - Thermodynamics - Fluid properties and fluid mechanics - Heat transfer - Thermometry and measurement science - Cryogenics in medicine - Cryoelectronics