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TJ-K: Difference between revisions
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TJ-IU was taken into operation in 1994, and was operated at relatively high magnetic field (0.5 T) and heating power (200 kW of ECRH heating), and corresponding relatively high values of the plasma parameters (electron density: 5 × 10<sup>18</sup> m<sup>-3</sup>). | TJ-IU was taken into operation in 1994, and was operated at relatively high magnetic field (0.5 T) and heating power (200 kW of ECRH heating), and corresponding relatively high values of the plasma parameters (electron density: 5 × 10<sup>18</sup> m<sup>-3</sup>). | ||
In 1999, TJ-K was transferred to Kiel, Germany, and in 2005 to the [http://www. | In 1999, TJ-K was transferred to Kiel, Germany (hence the 'K'), and in 2005 to the [http://www.igvp.uni-stuttgart.de/forschung/plasmadynamik-und-diagnostik.en.html IGVP institute] in Stuttgart, Germany. | ||
In its reincarnation as TJ-K, the device is operated at low magnetic field (about 0.07 T) and heating (1-6 kW of ECRH heating), and corresponding relatively low values of the plasma parameters (electron density: 5 × 10<sup>17</sup> m<sup>-3</sup>; electron temperature: 10 eV; ion temperature: 1 eV). | In its reincarnation as TJ-K, the device is operated at low magnetic field (about 0.07 T) and heating (1-6 kW of ECRH heating), and corresponding relatively low values of the plasma parameters (electron density: 5 × 10<sup>17</sup> m<sup>-3</sup>; electron temperature: 10 eV; ion temperature: 1 eV). | ||
== Diagnostics == | |||
''Passive diagnostics'' | |||
* Bolometry | |||
* Fast camera | |||
* Magnetics | |||
* Spectroscopy | |||
''Active diagnostics'' | |||
* Interferometry | |||
* Langmuir/Mach Probes | |||
* Laser-induced fluorescence | |||
== Current status == | == Current status == | ||
[[File:TJ-K_Langmuir.png|500px|thumb|right|Dense Langmuir probe arrays. The outer port array (OPA, photograph on the left) is installed at the outer port O2 and O3, the top port array (TPA, photograph on the right) is successively installed at the top ports T5, T2 and T4.<ref>[[doi:10.1088/0741-3335/55/1/015003|G Birkenmeier, M. Ramisch, G. Fuchert, A. Köhn, B. Nold and U. Stroth, ''Spatial structure of drift-wave turbulence and transport in a stellarator'', Plasma Phys. Control. Fusion '''55''' (2013) 015003]]</ref>]] | [[File:TJ-K_Langmuir.png|500px|thumb|right|Dense Langmuir probe arrays. The outer port array (OPA, photograph on the left) is installed at the outer port O2 and O3, the top port array (TPA, photograph on the right) is successively installed at the top ports T5, T2 and T4.<ref>[[doi:10.1088/0741-3335/55/1/015003|G. Birkenmeier, M. Ramisch, G. Fuchert, A. Köhn, B. Nold and U. Stroth, ''Spatial structure of drift-wave turbulence and transport in a stellarator'', Plasma Phys. Control. Fusion '''55''' (2013) 015003]]</ref>]] | ||
Some research results can be found in the cited papers. | Some research results can be found in the cited papers. | ||