论文标题

高热扩散,$ C_P $ NB $ _3 $ SN复合超导电线

Heat Diffusion in high-$C_p$ Nb$_3$Sn Composite Superconducting Wires

论文作者

Barzi, E., Berritta, F., Turrioni, D., Zlobin, A. V.

论文摘要

NB $ _3 $ SN加速器磁铁的主要重点是显着减少或消除其训练。使用新材料和技术来增加$ c_p $ nb $ _3 $ sn磁铁的方法,对于粒子加速器和光源都非常重要。它将提高热稳定性并导致磁铁训练较短,并节省了机器的调试成本。 Hypertech和Bruker-Ost都试图在其电线设计中引入高$ C_P $元素。本文包括对这些高级电线的描述,即与标准线相比,其热扩散属性的有限元模型,并且在可用时,通过模型计算出的最小淬灭能(MQE)与电线上的实际MQE测量结果进行了比较。

A major focus of Nb$_3$Sn accelerator magnets is on significantly reducing or eliminating their training. Demonstration of an approach to increase the $C_p$ of Nb$_3$Sn magnets using new materials and technologies is very important both for particle accelerators and light sources. It would improve thermal stability and lead to much shorter magnet training, with substantial savings in machines' commissioning costs. Both Hypertech and Bruker-OST have attempted to introduce high-$C_p$ elements in their wire design. This paper includes a description of these advanced wires, the finite element model of their heat diffusion properties as compared with the standard wires, and whenever available, a comparison between the minimum quench energy (MQE) calculated by the model and actual MQE measurements on wires.

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