TJ-II:Limiter: Difference between revisions

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<ref>[http://dx.doi.org/10.1088/0741-3335/46/1/018 C. Hidalgo et al, ''Improved confinement regimes induced by limiter biasing in the TJ-II stellarator'', Plasma Phys. Control. Fusion '''46''' (2004) 287-297]</ref>
<ref>[http://dx.doi.org/10.1088/0741-3335/46/1/018 C. Hidalgo et al, ''Improved confinement regimes induced by limiter biasing in the TJ-II stellarator'', Plasma Phys. Control. Fusion '''46''' (2004) 287-297]</ref>


[[File:TJ-II_limiter.png|600px|thumb|center|TJ-II Limiter and plasma]]
Currently (2010) an upgrade is being prepared, consisting of liquid lithium limiters.


[[File:TJ-II_Limiter_photo.jpg|400px|thumb|center|TJ-II Limiter: photograph taken from [[TJ-II:Ports|port B8TANG]] (the location of the [[TJ-II:Fast camera|fast camera]])]]
[[File:TJ-II_limiter.png|400px|thumb|right|TJ-II Limiter and plasma]]
 
[[File:TJ-II_Limiter_photo.jpg|300px|thumb|left|TJ-II Limiter: photograph taken from [[TJ-II:Ports|port B8TANG]] (the location of the [[TJ-II:Fast camera|fast camera]])]]




== References ==
== References ==
<references />
<references />

Revision as of 21:00, 18 October 2010

TJ-II has two mobile limiters, located in sectors A3 and C3 (25.5º and 205.5º), with a toroidal separation of 180º. [1] The limiters are fitted with Langmuir probes and gas injection ports. [2] [3] [4] A biasing voltage can be applied. [5]

Currently (2010) an upgrade is being prepared, consisting of liquid lithium limiters.

TJ-II Limiter and plasma
TJ-II Limiter: photograph taken from port B8TANG (the location of the fast camera)


References

  1. ↑ E. de la Cal et al, The diagnosed mobile limiters of the TJ-II stellarator for plasma boundary studies, J. Nucl. Mat. 266-269 (1999) 485
  2. ↑ E. de la Cal, B. Brañas, F.L. Tabarés, D. Tafalla, A.L. Fraguas, M.A. Pedrosa, V. Tribaldos, E. Ascasibar, J. Herranz, I. Pastor and TJ-II Team, Plasma boundary and SOL studies of ECH-plasmas in TJ-II stellarator with diagnosed mobile poloidal limiters, Journal of Nuclear Materials, 290-293 (2001) 579-583
  3. ↑ I. García-Cortés et al, Fuelling efficiency of hydrocarbons in TJ-II plasmas, J. Nucl. Mat. 337-339 (2005) 441-445
  4. ↑ E. de la Cal et al, Hydrogen recycling and puffing at a poloidal limiter of TJ-II, J. Nucl. Mat. 363-365 (2007) 764-769
  5. ↑ C. Hidalgo et al, Improved confinement regimes induced by limiter biasing in the TJ-II stellarator, Plasma Phys. Control. Fusion 46 (2004) 287-297
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