TJ-II:Limiter: Difference between revisions

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<ref>[http://dx.doi.org/10.1016/S0022-3115(98)00829-0 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]</ref>
<ref>[http://dx.doi.org/10.1016/S0022-3115(98)00829-0 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]</ref>
The limiters are fitted with Langmuir probes and gas injection ports.
The limiters are fitted with Langmuir probes and gas injection ports.
<ref>[http://dx.doi.org/10.1016/S0022-3115(00)00525-0 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]</ref>
<ref>[http://dx.doi.org/10.1016/j.jnucmat.2004.07.055 I. García-Cortés et al, ''Fuelling efficiency of hydrocarbons in TJ-II plasmas'', J. Nucl. Mat.  '''337-339''' (2005) 441-445]</ref>
<ref>[http://dx.doi.org/10.1016/j.jnucmat.2004.07.055 I. García-Cortés et al, ''Fuelling efficiency of hydrocarbons in TJ-II plasmas'', J. Nucl. Mat.  '''337-339''' (2005) 441-445]</ref>
<ref>[http://dx.doi.org/10.1016/j.jnucmat.2007.01.061 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]</ref>
<ref>[http://dx.doi.org/10.1016/j.jnucmat.2007.01.061 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]</ref>

Revision as of 12:35, 30 August 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]

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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