Neo-Canonical Profiles of the Electron Density and Temperature of the Plasma in the Hot Ion Mode at the Globus-M2 Tokamak
JETP letters(2024)
Abstract
It is shown that the radial profile of the electron temperature in the Globus-M2 spherical tokamak is related to the radial profile of the electron density by a power law T_e(ρ ) = const 1ptn_e(ρ )^1.65 . An analytical model of the density attractor, assuming the dependence of n_e on the specific poloidal volume v , previously tested on the TCV and JET tokamaks with a large aspect ratio, holds on the spherical tokamak, and the approximation of 162 experimental profiles has resulted in n_e(ρ )v(ρ )^1.06 = const . The proposed model makes it possible to calculate the spatial distribution T_e(ρ ) and n_e(ρ ) according to a known magnetic configuration.
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