Table 1

Performances comparison of the two designs.

Nominal values Solenoid Toroid
Energy (kJ) 950 950
External diameter (cm) 33 58
Height (cm) 38 36
Cryostat volume (dm3) 32 94
B// max (T) 10.8 10.3
BT max (T) 5.1 1.6
IOPERATING (A) 380 500
IOPERATING/ICRITICAL (Fujikura) 30% 35%
IOPERATING/ICRITICAL (SuperOx) 37.5% 66%
Jconductor max (A/mm2) 700 915
Hoop stress (MPa) 484 450
Inductance (H) 13.3 7.8
Volume of conductor (dm3) 7.24 5.72
Specific energy (kJ/kg) 19.4 24

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