Plasma surrogate modelling using Fourier neural operators

V Gopakumar, S Pamela, L Zanisi, Z Li, A Gray… - Nuclear …, 2024 - iopscience.iop.org
Predicting plasma evolution within a Tokamak reactor is crucial to realizing the goal of
sustainable fusion. Capabilities in forecasting the spatio-temporal evolution of plasma …

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 …

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) …

Magnetic flutter effect on validated edge turbulence simulations

K Zhang, W Zholobenko, A Stegmeir, K Eder… - Nuclear …, 2024 - iopscience.iop.org
Small magnetic fluctuations (B1/B0∼ 10− 4) are intrinsically present in a magnetic
confinement plasma due to turbulent currents. While the perpendicular transport of particles …

Fourier neural operator for plasma modelling

V Gopakumar, S Pamela, L Zanisi, Z Li… - arXiv preprint arXiv …, 2023 - arxiv.org
Predicting plasma evolution within a Tokamak is crucial to building a sustainable fusion
reactor. Whether in the simulation space or within the experimental domain, the capability to …

[HTML][HTML] Filamentary transport in global edge-SOL simulations of ASDEX Upgrade

W Zholobenko, J Pfennig, A Stegmeir, T Body… - Nuclear Materials and …, 2023 - Elsevier
The understanding and the predictive capability for turbulence in the plasma edge and
scrape-off layer (SOL) are crucial for the development of magnetic confinement fusion …

Why (Still) Studying Turbulence in Fluids and Plasmas?

T Alberti, R Benzi, V Carbone - Perspectives of Earth and …, 2023 - Wiley Online Library
Turbulence, a captivating and intricate phenomenon, continues to attract researchers across
diverse scientific disciplines. Despite considerable efforts, turbulence remains a fascinating …

Effect of He Plasma Exposure on Recrystallization Behaviour and Mechanical Properties of Exposed W Surfaces—An EBSD and Nanoindentation Study

D Bhattacharyya, M Thompson, C Hoang, P Koshy… - Metals, 2023 - mdpi.com
Highlights (i) EBSD, nanoindentation and AFM have been used to understand the post-
plasma exposure recrystallization behaviour of W.(ii) These techniques have shown that …

Millimeter-wave high-wavenumber scattering diagnostic developments on EAST and NSTX-U

P Sun, X Liu, Y Ren, G Xu, R Chen, J Qian… - Review of Scientific …, 2024 - pubs.aip.org
A pioneering 4-channel, high-k poloidal, millimeter-wave collective scattering system has
been successfully developed for the Experimental Advanced Superconducting Tokamak …

A stochastic model of edge-localized modes in magnetically confined plasmas

E Kim, R Hollerbach - Philosophical Transactions of the …, 2023 - royalsocietypublishing.org
Magnetically confined plasmas are far from equilibrium and pose considerable challenges
in statistical analysis. We discuss a non-perturbative statistical method, namely a time …