基于新型变分方法的电热建模：短路条件下的跑道型线圈
Electro-Thermal Modelling by Novel Variational Methods: Racetrack Coil in Short-Circuit
AI总结：
针对超导绕组失超建模需求，本文提出基于变分原理的电热数值方法，并通过 REBCO 跑道型线圈短路基准验证其与有限差分法及解析极限一致。
摘要：
包含超导线材或带材绕组的超导应用设计需要电热失超建模。本文提出一种基于变分原理的可靠数值方法，并将其与我们用 C++ 实现的传统有限差分法进行基准对比。作为基准问题，我们考虑由 REBCO 超导带材制成的跑道型线圈在短路条件下的情形，该短路被近似为在初始时刻出现的直流电压。结果表明，两种模型彼此一致，也与解析极限相符。由于两种模型都考虑了屏蔽电流，它们有望用于磁体（尤其是快速励磁磁体）和电力应用的设计，例如超导电动机或发电机的定子绕组。
英文摘要：
The design of superconducting applications containing windings of superconducting wires or tapes requires electro-thermal quench modelling. In this article, we present a reliable numerical method based on a variational principle and we benchmark it to a conventional finite difference method that we implemented in C++. As benchmark problem, we consider a racetrack coil made of REBCO superconducting tape under short circuit, approximated as a DC voltage that appears at the initial time. Results show that both models agree with each other and analytical limits. Since both models take screening currents into account, they are promising for the design of magnets (especially fast-ramp magnets) and power applications, such as the stator windings of superconducting motors or generators.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
