| Title of Device | TJ-II |
|---|---|
| Organization | CIEMAT |
| Location | Madrid (SPAIN) |
| A. Device concept and components | |
| Concept | Stellarator (Heliac) |
| Vacuum vessel: -- Plasma facing material: | Stainless steeel AISI 316L (Boronised wall) |
| Divertor/limiter facing material | Graphite limiters |
| Working Gas | Hydrogen, helium |
| Boundary configuration: | Limiter |
| Toroidal magnetic field (on axis), B (T): | 1 |
| Remarks | Currently looking for island divertor configurations |
| B. Plasma geometry | |
| Major radius, R(m): | 1.5 [1] |
| Minor radius, a(m): | 0.22 [1] |
| Plasma volume (m3): | 1.1 [2] |
| Remarks: | Strongly non-axisymmetric device. Bean shaped plasma cross section |
| C. Plasma parameters (maximum values) | |
| Central ion temperature, Ti (keV): | 0.1 [3] |
| Central electron temperature, Te (keV): | 2 [4] |
| Line averaged plasma density, <n> (1020 m-3): | 0.1 [5] |
| Central electron density, n (1020 m-3): | - |
| Plasma current, I (MA): | 0.001 [6] |
| Discharge pulse duration (s): | 0.3 [7] |
| Plasma beta, <β> (%): | 0.2 |
| Stored energy, (MJ): | 0.001 [7] |
| Energy confinement time, τE (s): | 0.005 [7] |
| Remarks: | - |
| D. Plasma heating and current drive (device values) | |
| Ohmic heating, (MW): | - |
| NBI heating, (MW): | 2 (2 injectors, 1 MW each; 40 KV, 25 A) [8] |
| RF heating: -IC: (MW): | - |
| RF heating: -EC: (MW): | 0.6 (2 gyrotrons, 0.3 kW each; 2nd harmonic, X mode, 53.2 GHz) [9] |
| RF heating: -LH: (MW): | - |
| E. Reactor relevant plasma performance parameters | |
| Triple fusion product, ( 1020 keV s m-3): | - |
| QDT factor (if available): | - |
| F. Input information | |
| Date of entry | 4-Apr-2003 |
| Data was entered by: | Enrique Ascasiba |
Reference: