Internal transport barrier in tokamak and helical plasmas

K Ida, T Fujita - Plasma Physics and Controlled Fusion, 2018 - iopscience.iop.org
The differences and similarities between the internal transport barriers (ITBs) of tokamak and
helical plasmas are reviewed. By comparing the characteristics of the ITBs in tokamak and …

Nonlinear evolution and control of neo-classical tearing mode in reversed magnetic shear tokamak plasmas

W Zheng-Xiong, L Tong, W Lai - Reviews of Modern Plasma Physics, 2022 - Springer
The reversed magnetic shear (RMS) configuration is believed to be one of the most
promising advanced scenarios to achieve steady-state operation in the future large-scale …

Advanced scenarios for ITER operation

ACC Sips - Plasma physics and controlled fusion, 2005 - iopscience.iop.org
In thermonuclear fusion research using magnetic confinement, the tokamak is the leading
candidate for achieving the conditions required for a reactor. An international experiment …

A control-oriented model of the current profile in tokamak plasma

E Witrant, E Joffrin, S Brémond, G Giruzzi… - Plasma Physics and …, 2007 - iopscience.iop.org
This paper proposes a control-oriented approach to the tokamak plasma current profile
dynamics. It is established based on a consistent set of simplified relationships, in particular …

Turbulence stabilization in tokamak plasmas with high population of fast ions

D Kim, SJ Park, GJ Choi, YW Cho, J Kang, H Han… - Nuclear …, 2023 - iopscience.iop.org
This letter provides a new physical insight into the fast ion effects on turbulence in plasmas
having a high fast ion fraction and peaked fast ion density profile. We elucidate turbulence …

Real-time control of the q-profile in JET for steady state advanced tokamak operation

D Moreau, F Crisanti, X Litaudon, D Mazon… - Nuclear …, 2003 - iopscience.iop.org
In order to simultaneously control the current and pressure profiles in high performance
tokamak plasmas with internal transport barriers (ITB), a multi-variable model-based …

Electron cyclotron emission radiometer upgrade on the Joint European Torus (JET) tokamak

E Luna, J Sánchez, V Tribaldos… - Review of Scientific …, 2004 - pubs.aip.org
The capabilities of the Joint European Torus (JET) electron cyclotron emission (ECE)
diagnostics have recently been extended with an upgrading of the heterodyne radiometer …

Numerical Simulations of the Radio-Frequency–driven Toroidal Current in Tokamaks

Y Peysson, J Decker - Fusion Science and Technology, 2014 - Taylor & Francis
Radio-frequency (rf) waves are a powerful tool for improving the performance and stability of
tokamak plasmas through heating and current drive mechanisms, allowing current density …

Overview of physics basis for ITER

V Mukhovatov, M Shimada… - Plasma physics and …, 2003 - iopscience.iop.org
ITER will be the first magnetic confinement device with burning DT plasma and fusion power
of about 0.5 GW. Parameters of ITER plasma have been predicted using methodologies …

Internal transport barriers: critical physics issues?

X Litaudon - Plasma physics and controlled fusion, 2006 - iopscience.iop.org
Plasmas regimes with improved core energy confinement properties, ie with internal
transport barriers (ITB), provide a possible route towards simultaneous high fusion …