Analysis of the highest energy confinement in tokamaks based on thermodynamic approach

We analyze the highest energy confinement in tokamak plasmas based on thermodynamic approach (plasma self-organization). The energy transport coefficients in the saturated confinement regimes are calculated from experiments in the T-10 tokamak. Using these coefficients, we estimate the maximal energ...

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Bibliographic Details
Published in:Plasma physics and controlled fusion 2022-12, Vol.64 (12), p.125007
Main Authors: Razumova, K A, Kasyanova, N V, Andreev, V F, Lysenko, S E
Format: Article
Language:English
Subjects:
energy confinement
plasma self-organization
thermal diffusivity coefficient
thermodynamic approach
tokamak
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Summary:We analyze the highest energy confinement in tokamak plasmas based on thermodynamic approach (plasma self-organization). The energy transport coefficients in the saturated confinement regimes are calculated from experiments in the T-10 tokamak. Using these coefficients, we estimate the maximal energy confinement for JET, ASDEX Upgrade, JT-60U, DIII-D and KSTAR tokamaks. Calculated energy confinement is in a good agreement with measured ones. Obtained results allow us to predict the maximal energy confinement in newly constructed machines up to a fusion reactor. The energy confinement for two basic scenarios for ITER is accessed.
ISSN:0741-3335
1361-6587
DOI:10.1088/1361-6587/ac999c