Upgrade of the neutral beam heating system on the TCV tokamak–second high energy neutral beam

AN Karpushov, F Bagnato, M Baquero-Ruiz… - Fusion Engineering and …, 2023 - Elsevier
The TCV tokamak continues to leverage its unique shaping capabilities, flexible heating
systems and modern control system to provide a stepladder approach for extrapolations of …

Effect of triangularity on plasma turbulence and the SOL-width scaling in L-mode diverted tokamak configurations

K Lim, M Giacomin, P Ricci, A Coelho… - Plasma Physics and …, 2023 - iopscience.iop.org
The effect of triangularity on tokamak boundary plasma turbulence is investigated using
global, flux-driven, three-dimensional, two-fluid simulations. The simulations show that …

X-point and divertor filament dynamics from gas puff imaging on TCV

C Wüthrich, C Theiler, N Offeddu, D Galassi… - Nuclear …, 2022 - iopscience.iop.org
A new gas puff imaging diagnostic has been installed on the TCV tokamak, providing two-
dimensional insights into scrape-off-layer (SOL) turbulence dynamics above, at and below …

Tracking blobs in the turbulent edge plasma of a tokamak fusion device

W Han, RA Pietersen, R Villamor-Lora, M Beveridge… - Scientific Reports, 2022 - nature.com
The analysis of turbulence in plasmas is fundamental in fusion research. Despite extensive
progress in theoretical modeling in the past 15 years, we still lack a complete and consistent …

Investigating the impact of the molecular charge-exchange rate on detached SOLPS-ITER simulations

K Verhaegh, AC Williams, D Moulton… - Nuclear …, 2023 - iopscience.iop.org
Plasma-molecular interactions generate molecular ions which react with the plasma and
contribute to detachment through molecular activated recombination (MAR), reducing the …

Dependence of divertor turbulence on plasma density and current in TCV

C Wüthrich, C Theiler, DS Oliveira, Y Wang… - Nuclear …, 2024 - iopscience.iop.org
To reliably predict the distribution of heat and particle fluxes at the target plates of tokamaks,
a comprehensive understanding of turbulence throughout the entire Scrape-Off-Layer (SOL) …

Dependence of scrape-off layer profiles and turbulence on gas fuelling in high density H-mode regimes in TCV

A Stagni, N Vianello, CK Tsui, C Colandrea… - Nuclear …, 2022 - iopscience.iop.org
A set of high density, highly shaped H-mode discharges has been performed in the TCV
tokamak with the aim of assessing the effects of increasing divertor neutral recycling on the …

[HTML][HTML] Towards practical reinforcement learning for tokamak magnetic control

BD Tracey, A Michi, Y Chervonyi, I Davies… - Fusion Engineering and …, 2024 - Elsevier
Reinforcement learning (RL) has shown promising results for real-time control systems,
including the domain of plasma magnetic control. However, there are still significant …

Resonant interaction between runaway electrons and the toroidal magnetic field ripple in TCV

TA Wijkamp, M Hoppe, J Decker, BP Duval… - Nuclear …, 2023 - iopscience.iop.org
This work explains the anomalously high runaway electron (RE) pitch angles inferred in the
flat-top of dedicated Tokamak à Configuration Variable (TCV) experiments. Kinetic …

Performance assessment of a tightly baffled, long-legged divertor configuration in TCV with SOLPS-ITER

G Sun, H Reimerdes, C Theiler, BP Duval… - Nuclear …, 2023 - iopscience.iop.org
Numerical simulations explore a possible tightly baffled, long-legged divertor (TBLLD)
concept in a future upgrade of the tokamak à configuration variable (TCV). The SOLPS-ITER …