TJ-II:Impurity transport: Difference between revisions

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The transport of impurities has been studied at [[TJ-II]].
[[File:Ethylene_injection.jpg|300px|thumb|right|CCD image of ethylene injection from the [[TJ-II:Limiter|limiter]] in H<sub>&alpha;</sub> light. The silhouette of the limiter shape is seen at the bottom. In the enlarged image, the glow from three embedded Langmuir probes is visible]]
<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>
 
<ref>[http://www.ipp.mpg.de/eng/for/veranstaltungen/workshops/stellarator_2003/papers/papers_pdf/McCarthy_132_SWS.pdf K.J. McCarthy et al, ''Impurity behaviour during externally induced radial electric fields in the TJ-II stellarator'', Proc. 14<sup>th</sup> International Stellarator Workshop (Greifswald, 2003) P.We14]</ref>
The transport of [[impurities]] has been studied at [[TJ-II]].
<ref>[http://www-naweb.iaea.org/napc/physics/fec/fec2004/datasets/EX_P6-32.html B. Zurro et al, ''Impurity transport and confinement in the TJ-II Stellarator'', Proc. 20<sup>th</sup> Fusion Energy Conf. (Villamoura, 2004) EX/P6-32]</ref>
<ref>K.J. McCarthy et al, ''Impurity behaviour during externally induced radial electric fields in the TJ-II stellarator'', [http://www-fusion.ciemat.es/SW2005/conferences/greifswald03/McCarthy_132_SWS.pdf Proc. 14<sup>th</sup> International Stellarator Workshop (Greifswald, 2003) P.We14]</ref>
<ref>[http://link.aip.org/link/?RSINAK/75/4231/1 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]</ref>
<ref>K.J. McCarthy et al, ''Comparison of Impurity Transport in Different Magnetic Configurations'', [http://www.nifs.ac.jp/itc/itc17/file/PDF_proceedings/I-18.pdf Proc. 17<sup>th</sup> ITC / 16<sup>th</sup> ISHW (Toki, 2007) I-18]</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://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>
== Impurity injection methods ==
<ref>[http://www.nifs.ac.jp/itc/itc17/file/PDF_proceedings/I-18.pdf K.J. McCarthy et al, ''Comparison of Impurity Transport in Different Magnetic Configurations'', Proc. 17<sup>th</sup> ITC / 16<sup>th</sup> ISHW (Toki, 2007) I-18]</ref>
 
* Laser ablation <ref>B. Zurro et al, ''Study of impurity transport injected by laser ablation in the TJ-II'', [http://epsppd.epfl.ch/Montreux/pdf/P5_025.pdf Proc. 29<sup>th</sup> EPS Conf. Plasma Phys. (Montreux, 2002) ECA Vol. '''26B''', P5.025]</ref> <ref>B. Zurro et al, ''Transport Analysis of Impurities Injected by Laser Ablation in the TJ-II Stellarator'', [http://epsppd.epfl.ch/StPetersburg/PDF/P2_079.PDF 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>I. García-Cortés et al, ''Fuelling efficiency of hydrocarbons in TJ-II plasmas'', [[doi:10.1016/j.jnucmat.2004.07.055|J. Nucl. Mat.  '''337-339''' (2005) 441-445]]</ref> <ref>F.L. Tabarés et al, ''Injection of hydrogen and ethylene at the plasma edge of TJ-II: A comparative study'', [http://epsppd.epfl.ch/Tarragona/pdf/P4_008.pdf Proc. 32<sup>nd</sup> EPS Conference on Plasma Phys. (Tarragona, 2005), ECA Vol. '''29C''', P-4.008]</ref>
 
== Analysis methods ==
* [[TJ-II:Bolometry|Bolometric tomography]] <ref>B. Zurro et al, ''Impurity transport and confinement in the TJ-II Stellarator'', [http://www-naweb.iaea.org/napc/physics/fec/fec2004/datasets/EX_P6-32.html Proc. 20<sup>th</sup> Fusion Energy Conf. (Villamoura, 2004) EX/P6-32]</ref> <ref>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'', [[doi:10.1063/1.1787585|Rev. Sci. Instrum. '''75''' (2004) 4231]]</ref>


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

Latest revision as of 18:04, 3 April 2018

CCD image of ethylene injection from the limiter in Hα light. The silhouette of the limiter shape is seen at the bottom. In the enlarged image, the glow from three embedded Langmuir probes is visible

The transport of impurities has been studied at TJ-II. [1] [2]

Impurity injection methods

Analysis methods

References

  1. ↑ 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
  2. ↑ K.J. McCarthy et al, Comparison of Impurity Transport in Different Magnetic Configurations, Proc. 17th ITC / 16th ISHW (Toki, 2007) I-18
  3. ↑ 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
  4. ↑ 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
  5. ↑ I. García-Cortés et al, Fuelling efficiency of hydrocarbons in TJ-II plasmas, J. Nucl. Mat. 337-339 (2005) 441-445
  6. ↑ 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
  7. ↑ B. Zurro et al, Impurity transport and confinement in the TJ-II Stellarator, Proc. 20th Fusion Energy Conf. (Villamoura, 2004) EX/P6-32
  8. ↑ 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
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