1–6 Jul 2025
Omni Boston Hotel at the Seaport
US/Eastern timezone

Sat-Mo-Po.03-03: Mechanical 3D Modelling of the EDIPO2 Magnet

5 Jul 2025, 09:30
1h 45m
Ensemble Ballroom, Level 2

Ensemble Ballroom, Level 2

Speaker

Xabier Sarasola (EPFL-SPC)

Description

The magnet at the core of the EDIPO2 test facility aims at generating a 15 T background field within a 144×144 mm² aperture and maintaining a field homogeneity length of 900 mm (assuming a 1% drop of the field). Its design features two pairs of flat racetrack coils: one pair (vertical coils) located above and below the aperture, and another pair (side coils) located on its sides. All coils are wound using the same flat two-stage Nb₃Sn cable. The advantage of the proposed magnet layout is its simplicity compared to flared-end designs. Even though this flat-racetrack-coil design requires a larger cross-section of superconductor to generate the same magnetic field, it eliminates 3D transitions at the coil ends, simplifying both manufacturing and assembly. In the proposed design, the coils are assembled in a steel housing. The final assembly of coils and yoke is enclosed inside a 30-mm-thick stainless-steel shell. Independent axial support is provided by large end plates and three pairs of longitudinal rods. Significant lateral and axial preload is applied to the vertical coils, which generate most of the magnetic field in the aperture. However, no preload is applied to the side coils. The mechanical design of the magnet will be justified with 3D finite element models to evaluate the mechanical stress and strain in the coils and the magnet structural components.

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