Density fluctuations as an intrinsic mechanism of pressure profile formation

VA Vershkov, DA Shelukhin, GF Subbotin… - Nuclear …, 2015 - iopscience.iop.org
This article provides new insight into previous and new experimental data regarding
behaviour of small-scale density fluctuations in T-10 ohmic and electron cyclotron …

3D structure of density fluctuations in the T-10 tokamak and new approach for current profile estimation

VA Vershkov, MA Buldakov, GF Subbotin… - Nuclear …, 2019 - iopscience.iop.org
The paper is focused on the new systematic measurements of the 3D spatial distributions of
the amplitudes, the radial correlation lengths and the long-range correlations along the …

Scattering theory of strongly refracting microwaves in turbulent inhomogeneous plasma. Applications of the theory to the description of fluctuation reflectometry in …

EZ Gusakov, AY Popov - Physics-Uspekhi, 2021 - iopscience.iop.org
We present the theory of propagation and scattering of strongly refracting microwaves in
turbulent inhomogeneous plasmas. We calculate the scattered signal amplitude in the case …

Turbulence, flows and edge localized mode (ELM) dynamics in limiter H-mode plasmas in TEXTOR

S Soldatov, A Krämer-Flecken, M Kantor… - Plasma physics and …, 2010 - iopscience.iop.org
The turbulence, plasma flow and edge localized mode (ELM) dynamics in the limiter H-
mode TEXTOR plasmas are investigated. Properties of both ambient turbulence within 0< …

Parametrization of reflectometry fluctuation frequency spectra for systematic study of fusion plasma turbulence

Y Sun, R Sabot, G Hornung, S Heuraux… - Review of Scientific …, 2018 - pubs.aip.org
We describe a way to parameterize power spectra extracted from fixed-frequency
reflectometry data, with a view to systematic studies of turbulence properties in tokamak …

Reflectometry at the TRT Facility: Analysis of Physical and Engineering Possibilities

DA Shelukhin, GF Subbotin, VA Vershkov… - Plasma Physics …, 2022 - Springer
Reflectometry is currently considered as one of the promising diagnostics for measuring
parameters of plasma in thermonuclear devices. This diagnostics is characterized by good …

Experimental trends of reflectometry frequency spectra emerging from a systematic analysis of the Tore Supra database

Y Sun, R Sabot, S Heuraux, X Garbet, S Hacquin… - Physics of …, 2019 - pubs.aip.org
One major goal of data science applications is to extract patterns from large datasets. Such a
database approach has been applied, for the first time in fusion science, towards a …

The response of microwave reflectometry under generalized configuration

A Ejiri, T Yamada, Y Adachi… - Plasma Physics and …, 2008 - iopscience.iop.org
The response of microwave reflectometry for various configurations is studied theoretically.
Based on the Kirchhoff integral (ie physical optics), analytic formulae for the measured …

Analysis of errors in the plasma rotation velocity measurement by the method of microwave correlation reflectometry

YV Kovtun, AI Skibenko, EI Skibenko… - … on Physics and …, 2013 - ieeexplore.ieee.org
The investigation of the rotating plasma is of interest for solving a wide range of scientific
and applied problems in the plasma physics. To investigate the multicomponent gas-metal …

[PDF][PDF] Spatial structure of density fluctuations and geodesic acoustic mode in T-10 tokamak

DA Shelukhin, VA Vershkov, AV Khmara - Proc. 22nd IAEA Fusion …, 2008 - pub.iaea.org
Investigation of turbulence properties could reveals the nature of anomalous transport in
tokamak. This paper presents results of systematic investigations of poloidal and toroidal …