Design Studies, Magnetic Calculations and Structural Assessment For the DTT Central Solenoid
- Resource Type
- Periodical
- Authors
- Giannini, L.; Muzzi, L.; Zenobio, A.D.; Anemona, A.; Romanelli, G.; Zoboli, L.; De Marzi, G.; De Baggis, F.; Turtu, S.; Corte, A.d.
- Source
- IEEE Transactions on Applied Superconductivity IEEE Trans. Appl. Supercond. Applied Superconductivity, IEEE Transactions on. 31(5):1-5 Aug, 2021
- Subject
- Fields, Waves and Electromagnetics
Engineered Materials, Dielectrics and Plasmas
Magnetic flux
Superconducting magnets
Plasmas
Magnetomechanical effects
Stress
Solenoids
Layout
finite element analysis
fusion reactors
tokamak devices
- Language
- ISSN
- 1051-8223
1558-2515
2378-7074
The “Divertor Tokamak Test facility” (DTT) is an experimental fusion reactor being built in Frascati (IT) in the framework of the European Fusion Roadmap. The DTT Central Solenoid operates in a pulsed regime to generate the magnetic flux needed to induce the plasma current and is therefore subjected to burdensome load conditions. In DTT, this magnet will consist of a stack of six layer-wound independently energized modules, wound with Nb 3 Sn Cable-in-Conduit Conductors. Different layout solutions have been studied to improve the performance of the CS in terms of magnetic flux density and structural integrity. The design presented is the result of the “Design Explorer” algorithm that has been specifically developed for this purpose. This code investigates all possible configurations to find the optimum conductor geometry and winding solution by considering measurable physical quantities to maximize the magnetic flux density while maintaining mechanical stresses at an acceptable level. This manuscript includes the electromagnetic calculation related to the heterogeneous plasma scenarios of the machine, the static structural and the fatigue life assessment and the full set of in-depth analyses performed for the qualification of the main components of the CS structure.