First Counter-NBI Experiments on the Globus-M Tokamak

N. N. Bakharev; F. V. Chernyshev; V. I. Davydenko; P. R. Goncharov; V. K. Gusev; G. S. Kurskiev; A. D. Melnik; V. B. Minaev; M. I. Mironov; M. I. Patrov; Yu. V. Petrov; N. V. Sakharov; P. B. Shchegolev; A. D. Sladkomedova; A. Yu. Telnova; S. Yu. Tolstyakov; G. V. Zadvitskiy

doi:10.1134/S1063784217120039

First Counter-NBI Experiments on the Globus-M Tokamak

Autores: Bakharev N.N.¹, Chernyshev F.V.¹, Davydenko V.I.², Goncharov P.R.³, Gusev V.K.¹, Kurskiev G.S.¹, Melnik A.D.¹, Minaev V.B.¹, Mironov M.I.¹, Patrov M.I.¹, Petrov Y.V.¹, Sakharov N.V.¹, Shchegolev P.B.¹, Sladkomedova A.D.¹, Telnova A.Y.¹, Tolstyakov S.Y.¹, Zadvitskiy G.V.⁴
Afiliações:
1. Ioffe Institute
2. Budker Institute of Nuclear Physics
3. Peter the Great St. Petersburg Polytechnic University
4. 3IJL UMR 7198
Edição: Volume 62, Nº 12 (2017)
Páginas: 1812-1816
Seção: Plasma
URL: https://ogarev-online.ru/1063-7842/article/view/200353
DOI: https://doi.org/10.1134/S1063784217120039
ID: 200353

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A high-energy counter-NBI has been applied for the first time on the Globus-M spherical tokamak. An ELM-free H-mode has been obtained. However, no significant increase in the ion temperature and plasma energy content compared to ELMy H-mode has been observed. This is due to a high level of the fastion losses. Neither increase in the plasma current nor an increase in plasma-wall distance resulted in an increase in NB heating efficiency as it occurred during the co-NBI experiments.