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Study of Turbulence in the Globus-M Tokamak Plasma during the Transition to the ELM-free H-mode
Plasma Physics Reports ( IF 0.9 ) Pub Date : 2020-07-27 , DOI: 10.1134/s1063780x20070107 A. Yu. Yashin , V. V. Bulanin , A. V. Petrov , V. K. Gusev , G. S. Kurskiev , V. B. Minaev , M. I. Patrov , Yu. V. Petrov
中文翻译:
向无ELM H模式过渡期间Globus-M托卡马克等离子体中的湍流研究
更新日期:2020-07-27
Plasma Physics Reports ( IF 0.9 ) Pub Date : 2020-07-27 , DOI: 10.1134/s1063780x20070107 A. Yu. Yashin , V. V. Bulanin , A. V. Petrov , V. K. Gusev , G. S. Kurskiev , V. B. Minaev , M. I. Patrov , Yu. V. Petrov
Abstract
Here we report the results of the turbulence study in the high-confinement mode (H-mode) with and without edge localized modes (ELMs). The study was performed by the Doppler backscattering (DBS) method on the Globus-M tokamak. Two types of ELMs were observed in the Globus-M tokamak during NBI heating and accordingly, two different transitions to transient ELM-free modes were discovered. It was demonstrated that the transition from the H-mode with ELMs accompanied by small sawtooth oscillations to the ELM-free H-mode is characterized by the drop of the turbulence amplitude near the periphery while the transition in the case of ELMs is accompanied by large sawtooth oscillations, which occur without suppression of peripheral turbulence.中文翻译:
向无ELM H模式过渡期间Globus-M托卡马克等离子体中的湍流研究