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Abstract <p>The results of studying plasma in the Globus-M2 spherical tokamak are presented in the scenario with injection of one neutral beam with energy of 46 keV and power of 0.925 MW in the stage of current ramp-up in the toroidal magnetic field of 0.95 T. In the experiment, the ion temperature as high as 4 keV, which had been reached previously only in the scenario involving sequential heating of plasma by two sources of high-energy atoms. The development of sawtooth oscillations leads to twofold decreases in the ion temperature and energy confinement time.</p>

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Plasma Heating and Current Drive Using Injection of High-Energy Deuterium Beam in Early Discharge Stage in the GLOBUS-M2 Tokamak at Toroidal Magnetic Field of 0.95 T

  • 期刊论文

  • 发表日期：

    2025年11月1日

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  • A. Yu. Telnova,
  • G. S. Kurskiev,
  • I. V. Miroshnikov,
  • P. B. Shchegolev,
  • N. N. Bakharev,
  • V. K. Gusev,
  • N. S. Zhiltsov,
  • E. O. Kiselev,
  • V. B. Minaev,
  • Yu. V. Petrov,
  • N. V. Sakharov,
  • O. M. Skrekel,
  • S. Yu. Tolstyakov,
  • E. E. Tkachenko,
  • E. A. Tukhmeneva,
  • K. D. Shulyatiev

摘要

Abstract

The results of studying plasma in the Globus-M2 spherical tokamak are presented in the scenario with injection of one neutral beam with energy of 46 keV and power of 0.925 MW in the stage of current ramp-up in the toroidal magnetic field of 0.95 T. In the experiment, the ion temperature as high as 4 keV, which had been reached previously only in the scenario involving sequential heating of plasma by two sources of high-energy atoms. The development of sawtooth oscillations leads to twofold decreases in the ion temperature and energy confinement time.