Synthetic Diagnostic of Spectra of Charge-Exchange Atoms for Analysis of Influence of the MHD Instability on Fast-Particle Confinement in Spherical Tokamaks Globus-M/M2,Plasma Physics Reports

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Synthetic Diagnostic of Spectra of Charge-Exchange Atoms for Analysis of Influence of the MHD Instability on Fast-Particle Confinement in Spherical Tokamaks Globus-M/M2
Plasma Physics Reports ( IF 1.1 ) Pub Date : 2024-02-15 , DOI: 10.1134/s1063780x23601621
E. O. Kiselev , I. M. Balachenkov , N. N. Bakharev , V. I. Varfolomeev , A. V. Voronin , V. Yu. Goryainov , V. K. Gusev , N. S. Zhiltsov , O. A. Zenkova , G. S. Kurskiev , A. D. Melnik , V. B. Minaev , I. V. Miroshnikov , M. I. Patrov , Yu. V. Petrov , N. V. Sakharov , O. M. Skrekel , A. Yu. Telnova , E. E. Tkachenko , V. A. Tokarev , E. A. Tukhmeneva , N. A. Khromov , F. V. Chernyshov , P. B. Shchegolev

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.

中文翻译：

电荷交换原子光谱综合诊断分析磁流体不稳定性对球形托卡马克Globus-M/M2快速粒子约束的影响

摘要

对球形托卡马克 Globus-M/M2 中性注入光束的吸收功率进行了数值估计。快速粒子的减速通过 NUBEAM 代码进行模拟。利用NUBEAM代码计算的快离子分布函数，通过FIDASIM代码模拟电荷交换原子分析仪的信号。比较计算信号和实验信号可以确定不稳定性对快速粒子限制以及吸收光束功率的影响程度。

更新日期：2024-02-15

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