Study of plasma confinement in the L-2M stellarator during the formation of an edge transport barrier

Voronov, G. S.; Akulina, D. K.; Batanov, G. M.; Berezhetskiǐ, M. S.; Vasilkov, D. G.; Vafin, I. Yu.; Воронова, Е. В.; Grebenshchikov, S. E.; Grishina, I. A.; Колик, Л. В.; Larionova, N. F.; Logvinenko, V. P.; Malakhov, D. V.; Meshcheryakov, A. I.; Nechaev, Yu. I.; Petrov, A. E.; Sarksyan, K. A.; Saenko, V. V.; Скворцова, Н. Н.; Fedyanin, O.I.; Kharchev, N. K.; Khol'nov, Yu.V.; Shchepetov, S. V.

doi:10.1134/s1063780x10070020

Cited by 2 publications

(2 citation statements)

References 9 publications

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“…The char acteristic width of this zone is also several millimeters. Figure 5 shows the Т е profiles in the separatrix zones of L 2M [5] and ITER [6]. It can be seen that the electron temperature profiles at Т е < 150 eV are similar for both systems.…”

Section: Comparison With the Corresponding Plasma Parameters In Itermentioning

confidence: 75%

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Testing of the spectroscopic method for location of water microleakages in ITER at the L-2M stellarator

et al. 2012

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Results of testing of a possible method for location of water microleakages in the cooling system of the first wall and vacuum chamber of ITER are presented. The method consists in spectroscopic detection of the emission lines of atoms and ions of the Xe additive dissolved in water. These lines are excited when the water with dissolved Xe contacts the plasma. The high electron cyclotron resonance heating (ECRH) power deposited in a relatively small plasma volume in the L 2M stellarator (P = 0.5 MW, V = 0.24 m 3 , and the spe cific heating power ~2 MW/m 3 ) makes it possible to achieve plasma parameters close to those in the edge plasma of ITER for different operating modes, including the H mode with an edge transport barrier. In test experiments, several lines of Xe ions were revealed suitable for detection of xenon in plasma with parameters close to those in the edge plasma of ITER at leakage rates at a level of ~10 -6 Pa m 3 s -1 and spatial resolution of ~0.5 cm.

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Section: Comparison With the Corresponding Plasma Parameters In Itermentioning

confidence: 75%

“…Experiments carried out at the JET tokamak and numerical simulations [5] have shown that the height of the temperature pedestal in ITER should be several keV and the characteristic length on which the tem perature in the SOL decays exponentially should be about 4 mm.…”

Section: Comparison With the Corresponding Plasma Parameters In Itermentioning

confidence: 99%

Testing of the spectroscopic method for location of water microleakages in ITER at the L-2M stellarator

et al. 2012

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Spontaneous and Induced Transient Processes in Plasma of the L-2M Stellarator in High-Power ECR Heating Regime

Vasilkov,

Borzosekov,

Skvortsova

et al. 2024

Plasma Phys. Rep.

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Study of plasma confinement in the L-2M stellarator during the formation of an edge transport barrier

Cited by 2 publications

References 9 publications

Testing of the spectroscopic method for location of water microleakages in ITER at the L-2M stellarator

Testing of the spectroscopic method for location of water microleakages in ITER at the L-2M stellarator

Spontaneous and Induced Transient Processes in Plasma of the L-2M Stellarator in High-Power ECR Heating Regime

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