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FusionBenchmark

SPARC

SPARC aims to operate with deuterium and tritium fuel and become the first fusion device that can produce a net scientific energy gain2.

Quoted verbatim from the IAEA World Survey of Fusion Devices, not paraphrased.
Type
Fusion device
Approach
Tokamak
Fuel
D-T
Country
US
Status
Under construction
Ownership
private

Measurements

6.2 × 10²¹ m⁻³·keV·s Fusion triple product (nTτ_E) planned

shot Projected

20 keV Ion temperature planned

shot Projected

4 × 10²⁰ m⁻³ Plasma density planned

shot Projected

0.77 s Energy confinement time (τ_E) planned

shot Projected

2 Plasma gain (Q_plasma) planned

Denominator: External heating power coupled into the plasma

1.85 m Major radius planned

0.57 m Minor radius planned

8.7 MA Plasma current planned

12.2 T On-axis magnetic field planned