NDLI: Structural Analysis of an 18 T Hybrid Canted–Cosine

Content Provider	IEEE Xplore Digital Library
Author	Brouwer, L. Caspi, S. Prestemon, S.
Copyright Year	2002
Abstract	The canted-cosine-theta (CCT) is an advantageous design for high-field superconducting dipoles because of its modular construction and significant reduction in Lorentz-forceinduced conductor stress. This is accomplished by introducing layered structural elements within the coilpack to both position the conductor and prevent the accumulation of Lorentz forces. This paper presents 3-D structural analysis of a CCT dipole consisting of four inner layers of Bi2212 high-temperature superconductor (HTS) and eight outer layers of Nb3Sn. Finite-element calculations in ANSYS are shown for configurations with and without the HTS insert. The effectiveness of using mandrels as an internal structure is demonstrated by local conductor stress components of less than 75 MPa in Bi2212 and less than 100 MPa in Nb3Sn with minimal structure external to the coilpack.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1
Ending Page	4
Page Count	4
File Size	1174005
File Format	PDF
ISSN	10518223
Volume Number	25
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Niobium-tin Stress Conductors Superconducting magnets Finite element analysis High-temperature superconductors Magnetomechanical effects superconducting magnets Accelerator magnets canted-cosine-theta high field canted–cosine–theta
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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