2D EM Design and Innovative Winding Technique for a 4 T High Curvature Superconducting Dipole in Block Coil Configuration for Next Generation Ion Gantries

As part of major European collaborations focused on the study of newly developed superconducting magnets for ion therapy, Istituto Nazionale di Fisica Nucleare (INFN) is directly involved through the Superconducting Ion Gantry (SIG) project. In ion therapy, rotating gantry systems are critical to be...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2024-08, Vol.34 (5), p.1-5
Main Authors: Gagno, A., Farinon, S., Bianchi, E., Carloni, A. G., Cereseto, R., De Matteis, E., Felcini, E., Levi, F., Mariotto, S., Musenich, R., Pampaloni, A., Prioli, M., Pullia, M., Rossi, L., Sorbi, M., Sorti, S., Statera, M., Valente, R. U.
Format: Article
Language:English
Subjects:
Accelerator magnets
coil winding
Coils (windings)
Conductors
Configurations
Cross-sections
Curvature
Dipoles
Finite element analysis
Gantry cranes
Ions
magnets for medical system
Mathematical analysis
Shape
Superconducting coils
Superconducting magnets
Superconductivity
Winding
Windings
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Summary:As part of major European collaborations focused on the study of newly developed superconducting magnets for ion therapy, Istituto Nazionale di Fisica Nucleare (INFN) is directly involved through the Superconducting Ion Gantry (SIG) project. In ion therapy, rotating gantry systems are critical to better preserve healthy tissues during treatments, but they are typically huge and heavy structures: a superconducting version of them would lead to lighter and more viable solutions. SIG aims to design, in collaboration with Centro Nazionale di Adroterapia Oncologica (CNAO) and Conseil Européen pour la recherché Nucléaire (CERN), the main superconducting magnets for a 430 MeV/u carbon ion gantry. The main purpose of the project is to study the bending dipoles of this system: they are expected to have a curvature of 1.65 m, aperture of 80 mm, magnetic field of 4 T, ramp rates up to 0.4 T/s and Nb-Ti coils. Among the goal of SIG is the construction of a 30-degree demonstrator to prove the feasibility of these magnets. The plan is to design cos \theta magnets, but we are currently working on an alternative strategy with cross section in block coil configuration. These parameters are very challenging and this solution could make it easier to achieve the required goals. In this work the optimized cross section and a novel winding technique for high curvature block coil magnets are presented.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2023.3335181