Geodesic Acoustic Mode Temporal Parameters Effect on the LH-Transition Initiation Possibility in TUMAN-3M Tokamak
- Авторлар: Belokurov A.1, Abdullina G.1, Askinazi L.1, Bulanin V.2, Zhubr N.1, Kornev V.1, Krikunov S.1, Lebedev S.1, Petrov A.2, Razumenko D.1, Tukachinsky A.1, Yashin A.2
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Мекемелер:
- Ioffe Physical Technical Institute, Russian Academy of Sciences
- Peter the Great St. Petersburg Polytechnic University
- Шығарылым: Том 45, № 8 (2019)
- Беттер: 783-785
- Бөлім: Article
- URL: https://journals.rcsi.science/1063-7850/article/view/208393
- DOI: https://doi.org/10.1134/S1063785019080066
- ID: 208393
Дәйексөз келтіру
Аннотация
Geodesic acoustic mode (GAM) observations in TUMAN-3M tokamak show that in ohmic discharges with low plasma density GAM have intermittent character; transition to high confinement regime (LH-transition) is usually preceded by a short (up to 5 ms) GAM burst series with distinctive frequency drop, or there exists long (up to 30 ms) GAM burst series evolution with several characteristic timescales and varying amplitude. To determinate the effect of GAM temporal parameters on the possibility of LH-transition initiation numerical modeling of plasma density profile evolution under the effect of GAM burst sequence with varying frequency and amplitude was carried out.
Негізгі сөздер
Авторлар туралы
A. Belokurov
Ioffe Physical Technical Institute, Russian Academy of Sciences
Хат алмасуға жауапты Автор.
Email: belokurov@mail.ioffe.ru
Ресей, St. Petersburg, 194021
G. Abdullina
Ioffe Physical Technical Institute, Russian Academy of Sciences
Email: belokurov@mail.ioffe.ru
Ресей, St. Petersburg, 194021
L. Askinazi
Ioffe Physical Technical Institute, Russian Academy of Sciences
Email: belokurov@mail.ioffe.ru
Ресей, St. Petersburg, 194021
V. Bulanin
Peter the Great St. Petersburg Polytechnic University
Email: belokurov@mail.ioffe.ru
Ресей, St. Petersburg, 195251
N. Zhubr
Ioffe Physical Technical Institute, Russian Academy of Sciences
Email: belokurov@mail.ioffe.ru
Ресей, St. Petersburg, 194021
V. Kornev
Ioffe Physical Technical Institute, Russian Academy of Sciences
Email: belokurov@mail.ioffe.ru
Ресей, St. Petersburg, 194021
S. Krikunov
Ioffe Physical Technical Institute, Russian Academy of Sciences
Email: belokurov@mail.ioffe.ru
Ресей, St. Petersburg, 194021
S. Lebedev
Ioffe Physical Technical Institute, Russian Academy of Sciences
Email: belokurov@mail.ioffe.ru
Ресей, St. Petersburg, 194021
A. Petrov
Peter the Great St. Petersburg Polytechnic University
Email: belokurov@mail.ioffe.ru
Ресей, St. Petersburg, 195251
D. Razumenko
Ioffe Physical Technical Institute, Russian Academy of Sciences
Email: belokurov@mail.ioffe.ru
Ресей, St. Petersburg, 194021
A. Tukachinsky
Ioffe Physical Technical Institute, Russian Academy of Sciences
Email: belokurov@mail.ioffe.ru
Ресей, St. Petersburg, 194021
A. Yashin
Peter the Great St. Petersburg Polytechnic University
Email: belokurov@mail.ioffe.ru
Ресей, St. Petersburg, 195251