TJ-II:Impurity transport: Difference between revisions
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== Impurity injection methods == | == Impurity injection methods == | ||
[[File:Ethylene_injection.jpg|200px|thumb|right|CCD image of ethylene injection from the [[TJ-II:Limiter|limiter]] in H<sub>α</sub> light. The limiter shape is seen at the bottom]] | |||
* Laser ablation <ref>[http://epsppd.epfl.ch/Montreux/pdf/P5_025.pdf B. Zurro et al, ''Study of impurity transport injected by laser ablation in the TJ-II'', Proc. 29<sup>th</sup> EPS Conf. Plasma Phys. (Montreux, 2002) ECA Vol. '''26B''', P5.025]</ref> <ref>[http://epsppd.epfl.ch/StPetersburg/PDF/P2_079.PDF B. Zurro et al, ''Transport Analysis of Impurities Injected by Laser Ablation in the TJ-II Stellarator'', Proc. 30<sup>th</sup> EPS Conf. Plasma Phys. (St. Petersburg, 2003) ECA Vol. '''27A''', P-2.79]</ref> | * Laser ablation <ref>[http://epsppd.epfl.ch/Montreux/pdf/P5_025.pdf B. Zurro et al, ''Study of impurity transport injected by laser ablation in the TJ-II'', Proc. 29<sup>th</sup> EPS Conf. Plasma Phys. (Montreux, 2002) ECA Vol. '''26B''', P5.025]</ref> <ref>[http://epsppd.epfl.ch/StPetersburg/PDF/P2_079.PDF B. Zurro et al, ''Transport Analysis of Impurities Injected by Laser Ablation in the TJ-II Stellarator'', Proc. 30<sup>th</sup> EPS Conf. Plasma Phys. (St. Petersburg, 2003) ECA Vol. '''27A''', P-2.79]</ref> | ||
* Injection via the [[TJ-II:Limiter|limiter]] <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://epsppd.epfl.ch/Tarragona/pdf/P4_008.pdf F.L. Tabarés et al, ''Injection of hydrogen and ethylene at the plasma edge of TJ-II: A comparative study'', Proc. 32<sup>nd</sup> EPS Conference on Plasma Phys. (Tarragona, 2005), ECA Vol. '''29C''', P-4.008]</ref> | * Injection via the [[TJ-II:Limiter|limiter]] <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://epsppd.epfl.ch/Tarragona/pdf/P4_008.pdf F.L. Tabarés et al, ''Injection of hydrogen and ethylene at the plasma edge of TJ-II: A comparative study'', Proc. 32<sup>nd</sup> EPS Conference on Plasma Phys. (Tarragona, 2005), ECA Vol. '''29C''', P-4.008]</ref> | ||
Revision as of 15:50, 4 September 2009
The transport of impurities has been studied at TJ-II. [1] [2]
Impurity injection methods
CCD image of ethylene injection from the limiter in Hα light. The limiter shape is seen at the bottom
Analysis methods
References
- ↑ K.J. McCarthy et al, Impurity behaviour during externally induced radial electric fields in the TJ-II stellarator, Proc. 14th International Stellarator Workshop (Greifswald, 2003) P.We14
- ↑ K.J. McCarthy et al, Comparison of Impurity Transport in Different Magnetic Configurations, Proc. 17th ITC / 16th ISHW (Toki, 2007) I-18
- ↑ B. Zurro et al, Study of impurity transport injected by laser ablation in the TJ-II, Proc. 29th EPS Conf. Plasma Phys. (Montreux, 2002) ECA Vol. 26B, P5.025
- ↑ B. Zurro et al, Transport Analysis of Impurities Injected by Laser Ablation in the TJ-II Stellarator, Proc. 30th EPS Conf. Plasma Phys. (St. Petersburg, 2003) ECA Vol. 27A, P-2.79
- ↑ I. García-Cortés et al, Fuelling efficiency of hydrocarbons in TJ-II plasmas, J. Nucl. Mat. 337-339 (2005) 441-445
- ↑ F.L. Tabarés et al, Injection of hydrogen and ethylene at the plasma edge of TJ-II: A comparative study, Proc. 32nd EPS Conference on Plasma Phys. (Tarragona, 2005), ECA Vol. 29C, P-4.008
- ↑ B. Zurro et al, Impurity transport and confinement in the TJ-II Stellarator, Proc. 20th Fusion Energy Conf. (Villamoura, 2004) EX/P6-32
- ↑ B. Zurro et al, Method to deduce local impurity transport quantities from the evolution of tomographically reconstructed bolometer signals during tracer injection at TJ-II, Rev. Sci. Instrum. 75 (2004) 4231