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| Sino-UNIted Spherical Tokamak | |
|---|---|
| Device type | Spherical tokamak |
| Location | Beijing, China |
| Affiliation | Tsinghua University |
| Technical specifications | |
| Major radius | 30 cm (12 in) |
| Minor radius | 23 cm (9.1 in) |
| Magnetic field | 0.15 T (1,500 G) (toroidal) |
| Plasma current | 30 kA |
| History | |
| Year(s) of operation | 2002–present |
| Links | |
| Website | SUNIST Laboratory |
SUNIST (or Sino-UNIted Spherical Tokamak) is a small spherical tokamak in the Department of Engineering Physics of Tsinghua University, Beijing, China.
The main parameters of SUNIST
| Parameter | Symbol | Value |
|---|---|---|
| Major radius | R | 30 cm |
| Minor radius | a | 23 cm |
| Elongation ratio | κ | 1.6 |
| On-axis magnetic field | B0 | 1500 gauss (0.15 T) |
| Typical plasma current | IP | 30 kA |
Current research activities
Alfven wave current drive experiments in spherical tokamak plasmas Alfven wave can generate toroidal plasma current without density limits. This is very favourable for spherical tokamak plasmas, which have very high dielectric constants that makes LHCD or ECCD very hard.
References
- Ying, Wang; Li, Zeng; Yexi, He; Team, SUNIST (2003). "Initial Plasma Startup Test on SUNIST Spherical Tokamak". Plasma Science and Technology. 5 (6): 2017–2022. Bibcode:2003PlST....5.2017W. doi:10.1088/1009-0630/5/6/001. ISSN 1009-0630. S2CID 250762020.
- A Research Program of Spherical Tokamak in China
- Initial Plasma Startup Test on SUNIST Spherical Tokamak
- News about the construction of the SUNIST shperical tokamak (in Chinese)
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