Canted-Cosine-Theta Magnet (CCT)-A Concept for High Field Accelerator Magnets

被引：70

作者：

Caspi, S. ^{[1
]}

Borgnolutti, F. ^{[1
]}

Brouwer, L. ^{[1
]}

Cheng, D. ^{[1
]}

Dietderich, D. R. ^{[1
]}

Felice, H. ^{[1
]}

Godeke, A. ^{[1
]}

Hafalia, R. ^{[1
]}

Martchevskii, M. ^{[1
]}

Prestemon, S. ^{[1
]}

Rochepault, E. ^{[1
]}

Swenson, C. ^{[1
]}

Wang, X. ^{[1
]}

机构：

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

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2014年 / 24卷 / 03期

基金：

美国国家科学基金会;

关键词：

Accelerator magnets; Canted-Cosine-Theta magnet; CCT; high field; superconducting dipole; DIPOLE MAGNET;

D O I：

10.1109/TASC.2013.2284722

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：

Canted-Cosine-Theta (CCT) magnet is an accelerator magnet that superposes fields of nested and tilted solenoids that are oppositely canted. The current distribution of any canted layer generates a pure harmonic field as well as a solenoid field that can be cancelled with a similar but oppositely canted layer. The concept places windings within mandrel's ribs and spars that simultaneously intercept and guide Lorentz forces of each turn to prevent stress accumulation. With respect to other designs, the need for pre-stress in this concept is reduced by an order of magnitude making it highly compatible with the use of strain sensitive superconductors such as Nb3Sn or HTS. Intercepting large Lorentz forces is of particular interest in magnets with large bores and high field accelerator magnets like the one foreseen in the future high energy upgrade of the LHC. This paper describes the CCT concept and reports on the construction of CCTI a "proof of principle" dipole.

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