TJ-II:Transport and magnetic configuration: Difference between revisions

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A significant part of the research effort at TJ-II is dedicated to the study of the interaction between transport and the (flexible) magnetic configuration.
A significant part of the research effort at TJ-II is dedicated to the study of the interaction between transport and the (flexible) magnetic configuration.
<ref>[http://dx.doi.org/10.1088/0741-3335/41/12B/307 C. Alejaldre et al, ''Confinement studies in the TJ-II stellarator'', Plasma Phys. Control. Fusion '''41''' (1999) B109]</ref>
<ref>[http://dx.doi.org/10.1088/0741-3335/41/12B/307 C. Alejaldre et al, ''Confinement studies in the TJ-II stellarator'', Plasma Phys. Control. Fusion '''41''' (1999) B109]</ref>
<ref>[http://dx.doi.org/10.1088/0741-3335/44/12B/322 E. Ascasíbar et al, ''Confinement and stability on the TJ-II stellarator'', Plasma Phys. Control. Fusion '''44''' (2002) B307-B322]</ref>
<ref>[http://dx.doi.org/10.1088/0741-3335/45/3/304 M.A. Ochando et al, ''Emissivity toroidal asymmetries induced by ECRH driven convective fluxes in the TJ-II stellarator'', Plasma Phys. Control. Fusion '''45''' (2003) 221-231]</ref>
<ref>[http://dx.doi.org/10.1088/0741-3335/45/3/304 M.A. Ochando et al, ''Emissivity toroidal asymmetries induced by ECRH driven convective fluxes in the TJ-II stellarator'', Plasma Phys. Control. Fusion '''45''' (2003) 221-231]</ref>
<ref>[http://dx.doi.org/10.1088/0029-5515/44/5/008 D. López-Bruna et al, ''Effects of ohmic current in the TJ-II stellarator'', Nucl. Fusion '''44''', 5 (2004) 645-654]</ref>
<ref>[http://dx.doi.org/10.1088/0029-5515/45/10/S22 C. Hidalgo et al, ''Overview of TJ-II experiments'', Nucl. Fusion '''45''' (2005) S266-S275]</ref>
<ref>[http://dx.doi.org/10.1088/0029-5515/45/10/S22 C. Hidalgo et al, ''Overview of TJ-II experiments'', Nucl. Fusion '''45''' (2005) S266-S275]</ref>
<ref>[http://dx.doi.org/10.1088/0029-5515/45/4/009 E. Ascasíbar et al, ''Magnetic configuration and plasma parameter dependence of the energy confinement time in ECR heated plasmas from the TJ-II stellarator'', Nucl. Fusion '''45''' (2005) 276-284]</ref>
<ref>[http://dx.doi.org/10.1088/0029-5515/45/4/009 E. Ascasíbar et al, ''Magnetic configuration and plasma parameter dependence of the energy confinement time in ECR heated plasmas from the TJ-II stellarator'', Nucl. Fusion '''45''' (2005) 276-284]</ref>
<ref>[http://dx.doi.org/10.1209/0295-5075/82/65002 D. López-Bruna et al, ''Tracking magnetic resonances in the effective electron heat diffusivity of ECH plasmas of the TJ-II Heliac'', EuroPhysics Letters '''82''' (2008) 65002]</ref>
 
The following issues contribute to the influence of the configuration on confinement:
* Rational surfaces (the iota profile) <ref>[http://dx.doi.org/10.1088/0029-5515/44/5/008 D. López-Bruna et al, ''Effects of ohmic current in the TJ-II stellarator'', Nucl. Fusion '''44''', 5 (2004) 645-654]</ref> <ref>[http://dx.doi.org/10.1209/0295-5075/82/65002 D. López-Bruna et al, ''Tracking magnetic resonances in the effective electron heat diffusivity of ECH plasmas of the TJ-II Heliac'', EuroPhysics Letters '''82''' (2008) 65002]</ref>
* [[Magnetic shear]]
* [[Magnetic well]] <ref>[http://dx.doi.org/10.1088/0741-3335/44/12B/322 E. Ascasíbar et al, ''Confinement and stability on the TJ-II stellarator'', Plasma Phys. Control. Fusion '''44''' (2002) B307-B322]</ref>
 


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

Revision as of 19:59, 23 August 2009

A significant part of the research effort at TJ-II is dedicated to the study of the interaction between transport and the (flexible) magnetic configuration. [1] [2] [3] [4]

The following issues contribute to the influence of the configuration on confinement:


References

  1. ↑ C. Alejaldre et al, Confinement studies in the TJ-II stellarator, Plasma Phys. Control. Fusion 41 (1999) B109
  2. ↑ M.A. Ochando et al, Emissivity toroidal asymmetries induced by ECRH driven convective fluxes in the TJ-II stellarator, Plasma Phys. Control. Fusion 45 (2003) 221-231
  3. ↑ C. Hidalgo et al, Overview of TJ-II experiments, Nucl. Fusion 45 (2005) S266-S275
  4. ↑ E. Ascasíbar et al, Magnetic configuration and plasma parameter dependence of the energy confinement time in ECR heated plasmas from the TJ-II stellarator, Nucl. Fusion 45 (2005) 276-284
  5. ↑ D. López-Bruna et al, Effects of ohmic current in the TJ-II stellarator, Nucl. Fusion 44, 5 (2004) 645-654
  6. ↑ D. López-Bruna et al, Tracking magnetic resonances in the effective electron heat diffusivity of ECH plasmas of the TJ-II Heliac, EuroPhysics Letters 82 (2008) 65002
  7. ↑ E. Ascasíbar et al, Confinement and stability on the TJ-II stellarator, Plasma Phys. Control. Fusion 44 (2002) B307-B322
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