Synthetic Diagnostic of Spectra of Charge-Exchange Atoms for Analysis of Influence of the MHD Instability on Fast-Particle Confinement in Spherical Tokamaks …

EO Kiselev, IM Balachenkov, NN Bakharev… - Plasma Physics …, 2023 - Springer
EO Kiselev, IM Balachenkov, NN Bakharev, VI Varfolomeev, AV Voronin, VY Goryainov
Plasma Physics Reports, 2023Springer
Absorbed power of the neutral-injection beam in spherical tokamaks Globus-M/M2 is
estimated numerically. Deceleration of fast particles is simulated by means of the NUBEAM
code. The signal of analyzer of charge-exchange atoms is simulated by means of the
FIDASIM code using the distribution function of fast ions calculated by means of the
NUBEAM code. Comparison of calculated and experimental signals allowed determining
the degree of influence of instabilities on confinement of fast particles along with absorbed …
Abstract
Absorbed power of the neutral-injection beam in spherical tokamaks Globus-M/M2 is estimated numerically. Deceleration of fast particles is simulated by means of the NUBEAM code. The signal of analyzer of charge-exchange atoms is simulated by means of the FIDASIM code using the distribution function of fast ions calculated by means of the NUBEAM code. Comparison of calculated and experimental signals allowed determining the degree of influence of instabilities on confinement of fast particles along with absorbed beam power.
Springer
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