First Observations of Alfvén Cascades on the Globus-M2 Tokamak and Their Application for Minimal Safety Factor Value Analysis
I M Balachenkov
1, 2
,
YU. V. PETROV
1
,
V K Gusev
1
,
N N Bakharev
1
,
V V Bulanin
1, 2
,
V.I. Varfolomeev
1
,
N S Zhiltsov
1, 2
,
E O Kiselev
1, 2
,
G S Kurskiev
1
,
V B Minaev
1
,
M I Patrov
1
,
A. V. Petrov
2
,
A M Ponomarenko
2
,
N.V. Sakharov
1
,
A Yu Telnova
1
,
V. A. Tokarev
1
,
N A Khromov
1
,
P B Shchegolev
1
,
A Yu Yashin
1, 2
Тип публикации: Journal Article
Дата публикации: 2020-12-01
scimago Q3
wos Q4
БС2
SJR: 0.215
CiteScore: 1.1
Impact factor: 0.9
ISSN: 10637850, 10906533, 17267471
Physics and Astronomy (miscellaneous)
Краткое описание
On the spherical tokamak Globus-M2 in discharges with toroidal magnetic field of 0.7 T by means of magnetic probes and a number of other diagnostics during neutral beam injection at the current ramp up stage, magnetic field oscillations in the range of 100–300 kHz having their frequency increasing in time, had been observed. Eigenmodes with wavenumbers n = 1–3 and m = 2–4 were being registered. These oscillations were identified as Alfvén cascades. By means of multi-channel fluctuation reflectometer, observed eigenmodes were found to be localized near the magnetic shear reversal radius. Application of MHD-spectroscopy technique allowed us to determine safety factor temporal evolution and experimental values are in well agreement with modelling results, provided by ASTRA transport code.
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Balachenkov I. M. et al. First Observations of Alfvén Cascades on the Globus-M2 Tokamak and Their Application for Minimal Safety Factor Value Analysis // Technical Physics Letters. 2020. Vol. 46. No. 12. pp. 1157-1161.
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Balachenkov I. M., PETROV Y. V., Gusev V. K., Bakharev N. N., Bulanin V. V., Varfolomeev V., Zhiltsov N. S., Kiselev E. O., Kurskiev G. S., Minaev V. B., Patrov M. I., Petrov A. V., Ponomarenko A. M., Sakharov N., Telnova A. Yu., Tokarev V. A., Khromov N. A., Shchegolev P. B., Yashin A. Yu. First Observations of Alfvén Cascades on the Globus-M2 Tokamak and Their Application for Minimal Safety Factor Value Analysis // Technical Physics Letters. 2020. Vol. 46. No. 12. pp. 1157-1161.
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TY - JOUR
DO - 10.1134/s1063785020120032
UR - https://doi.org/10.1134/s1063785020120032
TI - First Observations of Alfvén Cascades on the Globus-M2 Tokamak and Their Application for Minimal Safety Factor Value Analysis
T2 - Technical Physics Letters
AU - Balachenkov, I M
AU - PETROV, YU. V.
AU - Gusev, V K
AU - Bakharev, N N
AU - Bulanin, V V
AU - Varfolomeev, V.I.
AU - Zhiltsov, N S
AU - Kiselev, E O
AU - Kurskiev, G S
AU - Minaev, V B
AU - Patrov, M I
AU - Petrov, A. V.
AU - Ponomarenko, A M
AU - Sakharov, N.V.
AU - Telnova, A Yu
AU - Tokarev, V. A.
AU - Khromov, N A
AU - Shchegolev, P B
AU - Yashin, A Yu
PY - 2020
DA - 2020/12/01
PB - Pleiades Publishing
SP - 1157-1161
IS - 12
VL - 46
SN - 1063-7850
SN - 1090-6533
SN - 1726-7471
ER -
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@article{2020_Balachenkov,
author = {I M Balachenkov and YU. V. PETROV and V K Gusev and N N Bakharev and V V Bulanin and V.I. Varfolomeev and N S Zhiltsov and E O Kiselev and G S Kurskiev and V B Minaev and M I Patrov and A. V. Petrov and A M Ponomarenko and N.V. Sakharov and A Yu Telnova and V. A. Tokarev and N A Khromov and P B Shchegolev and A Yu Yashin},
title = {First Observations of Alfvén Cascades on the Globus-M2 Tokamak and Their Application for Minimal Safety Factor Value Analysis},
journal = {Technical Physics Letters},
year = {2020},
volume = {46},
publisher = {Pleiades Publishing},
month = {dec},
url = {https://doi.org/10.1134/s1063785020120032},
number = {12},
pages = {1157--1161},
doi = {10.1134/s1063785020120032}
}
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Balachenkov, I. M., et al. “First Observations of Alfvén Cascades on the Globus-M2 Tokamak and Their Application for Minimal Safety Factor Value Analysis.” Technical Physics Letters, vol. 46, no. 12, Dec. 2020, pp. 1157-1161. https://doi.org/10.1134/s1063785020120032.