Thermal, electrical and mechanical response in Nb3Sn superconducting coils

被引：11

作者：

Ferracin, P ^{[1
]}

Caspi, S

Chiesa, L

Gourlay, SA

Hafalia, RR

Imbasciati, L

Lietzke, AF

Sabbi, G

Scanlan, RM

机构：

[1] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[2] MIT, Cambridge, MA 02139 USA

[3] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2004年 / 14卷 / 02期

关键词：

quench propagation; stress analysis; superconducting magnets; thermal analysis;

D O I：

10.1109/TASC.2004.829130

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

During a quench, significant temperatures can arise as a magnet's stored energy is dissipated in the normal zone. Temperature gradients during this process give rise to localized strains within the coil. Reactive forces in the magnet structure balance the electromagnetic and thermal forces and maintain on equilibrium. In this paper we present a complete 3D finite element analysis of a racetrack coil. Specifically, the analysis focuses on thermal, electrical and mechanical conditions in a 10 T Nb3Sn coil built and tested as part of LBNL's Subscale Magnet Program. The study attempts to simulate time history of the temperature and voltage rise during quench propagation. The transient thermal stress after the quench is then evaluated and discussed.

引用

页码：361 / 364

页数：4

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