Radial Distribution Measurements of Geodesic Acoustic Mode and Quasi-Coherent Mode Using Heavy Ion Beam Probe in T-10 Tokamak Ohmic Plasmas
https://doi.org/10.56304/S2079562922050049
Abstract
Radial distributions of electric potential and plasma density oscillations have been measured in the T-10 tokamak ohmic plasma. Radial distributions of amplitude and frequency of the geodesic acoustic mode are plotted according to the data on the fluctuations of the electric potential of the plasma, and radial distributions of amplitude and frequency of the quasi-coherent mode are plotted according to the data on the fluctuations of the plasma density. Quasi-coherent mode corresponds to a major part of the turbulent flow of particles, geodesic acoustic mode as a high-frequency branch of zonal flows is involved in the regulation of turbulence, which makes these objects very important for plasma physics. The paper presents the results obtained in different operating modes of the T-10 tokamak.
About the Authors
Y. M. Ammosov
National Research Centre “Kurchatov Institute”;
Moscow Institute of Physics and Technology (NRU)
Russian Federation
Russian Federation
Moscow, 123182;
Dolgoprudny, Moscow oblast, 141701
F. O. Khabanov
National Research Centre “Kurchatov Institute”
Russian Federation
Russian Federation
Moscow, 123182
M. A. Drabinskiy
National Research Centre “Kurchatov Institute”
Russian Federation
Russian Federation
Moscow, 123182
A. V. Melnikov
National Research Centre “Kurchatov Institute”;
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
Moscow, 123182;
Moscow, 115409
L. G. Eliseev
National Research Centre “Kurchatov Institute”
Russian Federation
Russian Federation
Moscow, 123182
N. K. Kharchev
National Research Centre “Kurchatov Institute”;
Prokhorov General Physics Institute of the Russian Academy of Sciences
Russian Federation
Russian Federation
Moscow, 123182;
Moscow, 119991
S. E. Lysenko
National Research Centre “Kurchatov Institute”
Russian Federation
Russian Federation
Moscow, 123182
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Review
For citations:
Ammosov Y.M., Khabanov F.O., Drabinskiy M.A., Melnikov A.V., Eliseev L.G., Kharchev N.K., Lysenko S.E. Radial Distribution Measurements of Geodesic Acoustic Mode and Quasi-Coherent Mode Using Heavy Ion Beam Probe in T-10 Tokamak Ohmic Plasmas. Nuclear Physics and Engineering. 2023;14(3):278-283. (In Russ.) https://doi.org/10.56304/S2079562922050049
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