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TJ-II:Plasma Wall Interaction: Difference between revisions
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The walls can be coated by various materials, using a set of 4 evaporation ovens: two fixed and two mounted on retractable manipulators. | The walls can be coated by various materials, using a set of 4 evaporation ovens: two fixed and two mounted on retractable manipulators. | ||
TJ-II | In the course of time, TJ-II has been operated with the following types of wall: | ||
* Metal wall <ref>[http://dx.doi.org/10.1088/0741-3335/43/8/302 F.L. Tabarés et al, Plasma Phys. Control. Fusion '''43''' (2001) 1023-1037 ]</ref> | * Metal wall <ref>[http://dx.doi.org/10.1088/0741-3335/43/8/302 F.L. Tabarés et al, Plasma Phys. Control. Fusion '''43''' (2001) 1023-1037 ]</ref> | ||
* Boron-coated wall <ref>[http://dx.doi.org/10.1016/S0042-207X(02)00211-7 D. Tafalla and F.L. Tabarés, Vacuum '''67''', Issues 3-4 (2002) 393-397]</ref> (starting 2002) | * Boron-coated wall <ref>[http://dx.doi.org/10.1016/S0042-207X(02)00211-7 D. Tafalla and F.L. Tabarés, Vacuum '''67''', Issues 3-4 (2002) 393-397]</ref> (starting 2002) | ||
* Lithium-coated wall <ref>[http://dx.doi.org/10.1088/0741-3335/50/12/124051 F.L. Tabarés at al, Plasma Phys. Control. Fusion '''50''' (2008) 124051]</ref> <ref>[http://dx.doi.org/10.1016/j.jnucmat.2009.01.224 J. Sánchez et al, Journal of Nuclear Materials '''390-391''' (2009) 852-857]</ref> (starting 2007) | * Lithium-coated wall <ref>[http://dx.doi.org/10.1088/0741-3335/50/12/124051 F.L. Tabarés at al, Plasma Phys. Control. Fusion '''50''' (2008) 124051]</ref> <ref>[http://dx.doi.org/10.1016/j.jnucmat.2009.01.224 J. Sánchez et al, Journal of Nuclear Materials '''390-391''' (2009) 852-857]</ref> (starting 2007) | ||
TJ-II was the first stellarator to be operated with Lithium-coated walls. | |||
The lithium coating has led to much improved density control. | |||
== References == | == References == | ||
<references /> | <references /> | ||