Determination of the Alfvén Oscillation Location in the TUMAN-3M Tokamak Plasma
- Authors: Abdullina G.I.1, Askinazi L.G.1, Belokurov A.A.1, Zhubr N.A.1, Kornev V.A.1, Krikunov S.V.1, Lebedev S.V.1, Razumenko D.V.1, Tukachinsky A.S.1
-
Affiliations:
- Ioffe Institute
- Issue: Vol 44, No 2 (2018)
- Pages: 108-111
- Section: Article
- URL: https://journals.rcsi.science/1063-7850/article/view/207216
- DOI: https://doi.org/10.1134/S1063785018020025
- ID: 207216
Cite item
Abstract
The Alfvén oscillations have been studied in ohmically heated deuterium discharges with LH-transition in the TUMAN-3M tokamak in order to clarify their location in a plasma column. The Alfvén oscillation location was determined by comparison of the oscillation frequency measured with magnetic probes and that calculated from local density assuming the typical dispersion relation for Alfvén waves f = (2π)−1k||vA, where vA is the Alfvén velocity and k|| is the the parallel wave number in the direction of the magnetic field. It was found that they are localized in central part of plasma column inside r/a < 0.5 region. Candidate sets of mode numbers have been determined.
About the authors
G. I. Abdullina
Ioffe Institute
Author for correspondence.
Email: Abdullina@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
L. G. Askinazi
Ioffe Institute
Email: Abdullina@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
A. A. Belokurov
Ioffe Institute
Email: Abdullina@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
N. A. Zhubr
Ioffe Institute
Email: Abdullina@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
V. A. Kornev
Ioffe Institute
Email: Abdullina@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
S. V. Krikunov
Ioffe Institute
Email: Abdullina@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
S. V. Lebedev
Ioffe Institute
Email: Abdullina@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
D. V. Razumenko
Ioffe Institute
Email: Abdullina@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
A. S. Tukachinsky
Ioffe Institute
Email: Abdullina@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021