Non-linear theory of fluctuation reflectometry

EZ Gusakov, AY Popov - Plasma physics and controlled fusion, 2002 - iopscience.iop.org
The transition from linear to non-linear regime of fluctuation reflectometry is followed within a
one-dimensional WKB model. The general case of statistically inhomogeneous turbulence …

Review of recent experiments on the T-10 tokamak with all metal wall

VA Vershkov, DV Sarychev, GE Notkin… - Nuclear …, 2017 - iopscience.iop.org
Transition to an all-metal wall was realized on T-10 by replacement of graphite limiters with
tungsten ones. Light impurity levels remained high and W accumulation in the plasma core …

Magnetic field pitch angle and perpendicular velocity measurements from multi-point time-delay estimation of poloidal correlation reflectometry

D Prisiazhniuk, A Krämer-Flecken… - Plasma physics and …, 2017 - iopscience.iop.org
In fusion machines, turbulent eddies are expected to be aligned with the direction of the
magnetic field lines and to propagate in the perpendicular direction. Time delay …

Radial correlation reflectometry at oblique probing wave incidence (linear scattering theory predictions)

E Gusakov, M Irzak, A Popov - Plasma Physics and Controlled …, 2014 - iopscience.iop.org
Turbulence radial correlation length measurements by making use of Doppler reflectometry
are analysed in this paper assuming the linear (in density perturbation amplitude) regime of …

Two-dimensional non-linear theory of radial correlation reflectometry

EZ Gusakov, AY Popov - Plasma physics and controlled fusion, 2004 - iopscience.iop.org
As a result of the two-dimensional consideration, a general analytic approach to the non-
linear regime of fluctuation reflectometry allowing determination of its spectral and …

Two-dimensional linear theory of radial correlation reflectometry diagnostics

EZ Gusakov, BO Yakovlev - Plasma physics and controlled …, 2002 - iopscience.iop.org
The two-dimensional linear theory of radial correlation reflectometry applicable for the case
of low turbulence level, when the probing line is observable in the spectrum of reflected …

MHD activity and formation of the electron internal transport barrier in the T-10 tokamak

KA Razumova, VV Alikaev… - Plasma physics and …, 2000 - iopscience.iop.org
The plasma stability and confinement have been investigated through control of the safety
factor profile q (r) by the electron cyclotron current drive in the T-10 tokamak. The regimes …

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 …

Radial structure of quasi-coherent mode in ohmic plasma of the T-10 tokamak

MA Drabinskiy, LG Eliseev, PO Khabanov… - Journal of Physics …, 2019 - iopscience.iop.org
The paper presents the recent results from the quasi-coherent (QC) mode studies performed
in the ohmic plasma of the T-10 tokamak (R= 1.5 m. a= 0.3 m, B 0= 2.2 T, I pl= 230 kA, and …

Investigation of geodesic acoustic modes and related zonal flows at TEXTOR

A Krämer-Flecken, S Soldatov, D Reiser… - Plasma physics and …, 2008 - iopscience.iop.org
This paper attempts to give an overview on the study of the geodesic acoustic mode (GAM)
and the related velocity oscillation of the zonal flow (ZF) at TEXTOR. The reported results are …