Summary
This paper presents a conceptual hybrid magnet design combining Nb₃Sn superconductors in low-field regions (<16 T) with high-temperature superconductors (HTS) in high-field regions (16–20 T) to achieve 20 T dipole performance for future particle colliders. The rectangular block-coil architecture allows field-based conductor separation within coil layers, though large transverse stresses necessitate dedicated stress-management solutions. The work explores multiple conductor options and addresses engineering feasibility constraints for this ambitious accelerator application.
UK applicability
Not applicable. This is a high-energy physics engineering study with no connection to agriculture, soil health, nutrition, or food systems.
Key measures
Magnetic field strength (20 T target in bore); stress distribution and management in coils; conductor performance specifications for Nb₃Sn and HTS (Bi2212, REBCO) materials
Outcomes reported
The study presents a conceptual design for a 20 T hybrid Nb₃Sn–HTS block-coil dipole magnet that achieves the target field strength in the bore with operational margin. The design addresses stress-management challenges arising from large transverse forces on conductor turns in the high-field region.
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