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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.

Operator
Institute of Plasma Physics, Chinese Academy of Sciences
Type
Fusion device
Approach
Tokamak
Fuel
D-D
Country
CN
Status
Operating
Ownership
public

Progression

  1. 403 s 2023
  2. 1,066 s 2025-01-20
  3. 1,000 s

Results

1,066 s Plasma duration claimed

measured 2025-01-20 · sustained · high confidence

403 s Plasma duration superseded

measured 2023 · sustained · high confidence

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

measured 2015 · shot 56933 · high confidence

2.1 keV Ion temperature claimed

measured 2015 · shot 56933 · peak · high confidence

8.5 × 10¹⁹ m⁻³ Plasma density claimed

measured 2015 · shot 56933 · high confidence

0.054 s Energy confinement time (τE) claimed

measured 2015 · shot 56933 · high confidence

Design values

What the machine was built to do, as published. Not results, and never ranked.

Design values for Experimental Advanced Superconducting Tokamak
ParameterValueUnit StatusSource
Major radius medium confidence 1.7 m m claimed World Survey of Fusion Devices 2022 independent
Minor radius medium confidence 0.4 m m claimed World Survey of Fusion Devices 2022 independent
Plasma current medium confidence 1 MA MA claimed World Survey of Fusion Devices 2022 independent
On-axis magnetic field medium confidence 3.5 T T claimed World Survey of Fusion Devices 2022 independent
Plasma duration (nominal) medium confidence 1,000 s s claimed World Survey of Fusion Devices 2022 independent