Stability optimization of energetic particle driven modes in nuclear fusion devices: the FAR3d gyro-fluid code
The development of reduced models provide efficient methods that can be used to perform
short term experimental data analysis or narrow down the parametric range of more …
short term experimental data analysis or narrow down the parametric range of more …
H-mode transition in the TJ-II stellarator plasmas
Since the first H-mode transitions were observed in TJ-II plasmas in 2008, an extensive
experimental effort has been done aiming at better physics understanding of confinement …
experimental effort has been done aiming at better physics understanding of confinement …
2D distributions of potential and density mean-values and oscillations in the ECRH and NBI plasmas at the TJ-II stellarator
AV Melnikov, LG Eliseev, JM Barcala… - Plasma Physics and …, 2022 - iopscience.iop.org
Abstract 2D plasma potential ϕ distribution was measured in the electron cyclotron
resonance heating (ECRH) and neutral beam injection (NBI) plasmas of the TJ-II stellarator …
resonance heating (ECRH) and neutral beam injection (NBI) plasmas of the TJ-II stellarator …
Effect of the neutral beam injector operational regime on the Alfven eigenmode saturation phase in DIII-D plasma
The aim of this study is to analyze the effect of the neutral beam injector (NBI) operation
regime on the saturation phase of the Alfven Eigenmodes (AEs) in DIII-D plasma. The …
regime on the saturation phase of the Alfven Eigenmodes (AEs) in DIII-D plasma. The …
Rational surfaces, flows and radial structure in the TJ-II stellarator
In this work, we report on the results obtained by measuring several turbulent quantities well
inside the plasma edge by means of a Langmuir probe during dynamical rotational …
inside the plasma edge by means of a Langmuir probe during dynamical rotational …
Using rational surfaces to improve pellet fuelling in stellarators
N Panadero, KJ McCarthy, B Pégourié… - Journal of Plasma …, 2023 - cambridge.org
Pellet injection is currently the primary candidate for achieving efficient plasma fuelling, one
of the key issues for steady-state operation in large fusion devices. In this paper, pellet …
of the key issues for steady-state operation in large fusion devices. In this paper, pellet …
The effect of pellet injection on turbulent transport in TJ-II
L García, I García-Cortés, BA Carreras… - Physics of …, 2023 - pubs.aip.org
An improvement in confinement associated with the injection of pellets has been observed
in TJ-II and other devices. By means of a simple model, we study here the modification of …
in TJ-II and other devices. By means of a simple model, we study here the modification of …
Multi-pellet injection into the NBI-heated phase of TJ-II plasmas
KJ McCarthy, I García-Cortés, JA Alonso… - Nuclear …, 2024 - iopscience.iop.org
A pellet-induced enhanced confinement (PiEC) phase, with general characteristics similar to
those reported for the stellarator W7-X, is observed after single pellet injection (> 10 19 H …
those reported for the stellarator W7-X, is observed after single pellet injection (> 10 19 H …
Study of Alfvén eigenmode stability in Quasi-Poloidal Stellarator (QPS) plasma using a Landau closure model
The aim of this study is to analyze the linear stability of Alfvén eigenmodes (AE) in the QPS
device heated by a tangential neutral beam injector (NBI). The analysis is performed using …
device heated by a tangential neutral beam injector (NBI). The analysis is performed using …
Importance of the Rotational Transform for L–H Transitions in the TJ-II Stellarator
We study the effect of the rotational transform profile on the L–H confinement transitions in
the neutral beam-heated plasmas in the TJ-II stellarator. The rotational transform profile in …
the neutral beam-heated plasmas in the TJ-II stellarator. The rotational transform profile in …