Intrinsic Non-Resonant Error Field Amplitude in SPARC

Computational Investigation of NTV Torque and Rotation Braking | Logan et al., arXiv:2601.12469

12.2 T
Toroidal Field B0
431.80
Central Rotation (rad/s)
0.984
Rotation Reduction Factor
1.69e-4
Max Correctable EF (B/B0)
0.019
Rotation Margin

Rotation Profile vs NREF Amplitude

Rotation Margin vs NREF Amplitude

NTV Torque Peak vs NREF

Collisionality Dependence

Key Parameters

ParameterValue
Major radius R01.85 m
Minor radius a0.57 m
Plasma current Ip8.7 MA
q953.4
Central ne3.1e20 m^-3
Central Te21.0 keV
NBI Power25 MW
NREF scan range1e-5 to 1e-3