Design of CCT6: A Large Aperture, Nb3Sn Dipole Magnet for HTS Insert Testing

被引：11

作者：

Brouwer, L. ^{[1
]}

Juchno, M. ^{[1
]}

Arbelaez, D. ^{[1
]}

Ferracin, P. ^{[1
]}

Vallone, G. ^{[1
]}

机构：

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

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2022年 / 32卷 / 06期

关键词：

Accelerator magnets; canted-cosine-theta; superconducting magnets;

D O I：

10.1109/TASC.2022.3151723

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：

We present the design of a four-layer, Canted Cosine Theta (CCT) Nb3Sn dipole magnet as part of the general R&D program for high field superconducting magnets supported by the US Magnet Development Program (US-MDP). Future testing with High-Temperature Superconducting (HTS) inserts in a hybrid configuration motivates the design's large clear aperture of 120 mm and target operating dipole field of 12 T at 4.2 K. First, we present a graded magnetic design utilizing existing Nb3Sn cables which results in 30% operating current margin at the target field. We then share results from a 2D mechanical analysis which makes use of an idealized external structure to provide initial guidance for design studies. This mechanical analysis is extended to demonstrate compatibility of the CCT6 design with a mechanical support structure, based on key and bladder technology, currently considered for use within multiple US-MDP high-field magnet programs.

引用

页数：5

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