2015•Applied SuperconductivityRequires access
Superconducting Magnets
J.R. Hull, M.N. Wilson, L. Bottura, L. Rossi, Michael A. Green, Y. Iwasa, Seungyong Hahn, J.L. Duchateau, S.S. Kalsi
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Abstract
This chapter discusses several general comments on superconducting magnets and presents the details of how levitation is implemented in a superconducting bearing. It reviews the main features of superconducting magnets used for particle accelerators and colliders. Magnet design, mechanical structure, training behavior, stability and protection of the magnets used for present and past accelerators are also discussed. The chapter contains superconducting detector magnets for particle physics. It outlines general remarks on magnetic resonance (NMR) and magnetic resonance imaging (MRI), their unique field requirements, both spatial and temporal, and types of superconducting coils that constitute NMR and medical diagnostic MRI magnets. The chapter describes high-temperature superconductor (HTS) applications. The need for superconducting magnets in large fusion devices was already recognized in the middle of the 1970s, associated with several development programs for the conductor and the coils. The most emblematic project is now International Thermonuclear Experimental Reactor (ITER).