Reflection and backscattering of microwaves under doubling of the plasma density and displacement of the gyroresonance region during electron cyclotron resonance heating of plasma in the l-2M stellarator
- 作者: Batanov G.1, Borzosekov V.1, Vasilkov D.1,2, Kolik L.1, Konchekov E.1,3, Malakhov D.1,2,3, Vafin I.1, Petrov A.1,3, Sarksyan K.1, Sakharov A.1, Stepakhin V.1,3, Kharchev N.1
-
隶属关系:
- Prokhorov General Physics Institute
- Bauman Moscow State Technical University
- Pirogov Russian National Research Medical University
- 期: 卷 42, 编号 8 (2016)
- 页面: 734-742
- 栏目: Oscillations and Waves in Plasma
- URL: https://journals.rcsi.science/1063-780X/article/view/185891
- DOI: https://doi.org/10.1134/S1063780X1608002X
- ID: 185891
如何引用文章
详细
Reflection and backscattering of high-power (400 kW) gyrotron radiation creating and heating plasma at the second harmonic of the electronic cyclotron frequency in the L-2M stellarator have been investigated experimentally. The effect of the displacement of the gyroresonance region from the axis of the plasma column under doubling of the plasma density on the processes of reflection and backscattering of microwave radiation has been examined. A near doubling of short-wavelength (k⊥ ≈ 30 cm–1) turbulent density fluctuations squared is observed. The change in the energy confinement time under variations of plasma parameters and characteristics of short-wavelength turbulence is discussed. A discrepancy between the measured values of the reflection coefficient from the electron cyclotron resonance heating region and predictions of the one-dimensional model is revealed.
作者简介
G. Batanov
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, ul. Vavilova 38, Moscow, 119991
V. Borzosekov
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, ul. Vavilova 38, Moscow, 119991
D. Vasilkov
Prokhorov General Physics Institute; Bauman Moscow State Technical University
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, ul. Vavilova 38, Moscow, 119991; Vtoraya Baumanskaya ul. 5, Moscow, 105005
L. Kolik
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, ul. Vavilova 38, Moscow, 119991
E. Konchekov
Prokhorov General Physics Institute; Pirogov Russian National Research Medical University
编辑信件的主要联系方式.
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, ul. Vavilova 38, Moscow, 119991; ul. Ostrovityanova 1, Moscow, 117997
D. Malakhov
Prokhorov General Physics Institute; Bauman Moscow State Technical University; Pirogov Russian National Research Medical University
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, ul. Vavilova 38, Moscow, 119991; Vtoraya Baumanskaya ul. 5, Moscow, 105005; ul. Ostrovityanova 1, Moscow, 117997
I. Vafin
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, ul. Vavilova 38, Moscow, 119991
A. Petrov
Prokhorov General Physics Institute; Pirogov Russian National Research Medical University
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, ul. Vavilova 38, Moscow, 119991; ul. Ostrovityanova 1, Moscow, 117997
K. Sarksyan
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, ul. Vavilova 38, Moscow, 119991
A. Sakharov
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, ul. Vavilova 38, Moscow, 119991
V. Stepakhin
Prokhorov General Physics Institute; Pirogov Russian National Research Medical University
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, ul. Vavilova 38, Moscow, 119991; ul. Ostrovityanova 1, Moscow, 117997
N. Kharchev
Prokhorov General Physics Institute
Email: konchekov@fpl.gpi.ru
俄罗斯联邦, ul. Vavilova 38, Moscow, 119991