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Experimental Advanced Superconducting Tokamak

also EAST

EAST aims to contribute studies of plasma physics, provide a scientific basis for the design and construction of experimental reactors, including ITER, as EAST has shape and equilibrium similar to ITER.

Quoted verbatim from the IAEA World Survey of Fusion Devices, not paraphrased.
Type
Fusion device
Approach
Tokamak
Fuel
D-D
Country
CN
Status
Operating
Ownership
public

Progression

Superseded results are kept rather than overwritten. A later figure that is lower than an earlier one is normal physics, and hiding it would be a form of falsification.

  1. 403 s 2023
  2. 1066 s 2025-01-20
  3. 1000 s

Measurements

1066 s Plasma duration claimed

measured 2025-01-20 · sustained

1.7 m Major radius claimed

0.4 m Minor radius claimed

1 MA Plasma current claimed

3.5 T On-axis magnetic field claimed

1000 s Plasma duration claimed

nominal

403 s Plasma duration superseded

measured 2023 · sustained

9.6 × 10¹⁸ m⁻³·keV·s Fusion triple product (nTτ_E) claimed

measured 2015 · shot 56933

2.1 keV Ion temperature claimed

measured 2015 · shot 56933

8.5 × 10¹⁹ m⁻³ Plasma density claimed

measured 2015 · shot 56933

0.054 s Energy confinement time (τ_E) claimed

measured 2015 · shot 56933