KSTAR
The main objectives of KSTAR research programme are to research and develop on steady-state superconducting tokamak physics and establishing a scientific and technological base for commercial fusion power plants.
- Operator
- Korea Institute of Fusion Energy
- Type
- Fusion device
- Approach
- Tokamak
- Fuel
- D-D
- Country
- KR
- Status
- Operating
- Ownership
- public
Results
8.6 keV Ion temperature claimed
measured 2024-02 · sustained · high confidence
48 s Plasma duration claimed
measured 2024-02 · sustained · high confidence
102 s Plasma duration disputed
measured 2026-06 · sustained · low confidence
9.6 × 10¹⁸ m⁻³·keV·s Fusion triple product (nTτE) claimed
measured 2014 · shot 7081 · high confidence
2 keV Ion temperature claimed
measured 2014 · shot 7081 · peak · high confidence
0.1 s Energy confinement time (τE) claimed
measured 2014 · shot 7081 · high confidence
Design values
What the machine was built to do, as published. Not results, and never ranked.
| Parameter | Value | Unit | Status | Source |
|---|---|---|---|---|
| Major radius medium confidence | 1.8 m | m | claimed | World Survey of Fusion Devices 2022 independent |
| Minor radius medium confidence | 0.5 m | m | claimed | World Survey of Fusion Devices 2022 independent |
| Plasma current medium confidence | 2 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 | 300 s | s | claimed | World Survey of Fusion Devices 2022 independent |