EB shear suppression of turbulence and zonal flow relaxation in collisionless toroidal plasmas

TS Hahm, GJ Choi - Reviews of Modern Plasma Physics, 2024 - Springer
Theoretical progress in understanding E× B shear suppression of turbulence and zonal flow
relaxation in collisionless toroidal plasma is reviewed. Dependence on the magnetic field …

Turbulence spreading induced vortex flow generation in a magnetic island

ES Yoon, TS Hahm, GJ Choi, YW Cho… - Nuclear …, 2024 - iopscience.iop.org
We derive a self-consistent relation between turbulence spreading flux and vortex flow
acceleration for time-stationary turbulence inside a magnetic island (MI) by extending the …

Summary of presentations reported in EXperiment confinement (EX-C) session at the 29th IAEA fusion energy conference

M Xu, C Meng, GZ Hao - Nuclear Fusion, 2024 - iopscience.iop.org
This is a summary paper of the research activities presented in the magnetic fusion
EXperiment Confinement (EX-C) session at the 29th International Atomic Energy Agency …

Leveraging turbulence data with physics informed neural networks

MJ Choi - arXiv preprint arXiv:2412.20130, 2024 - arxiv.org
Physics informed neural network (PINN) can enhance the value of turbulence diagnostics
data in fusion experiments. For example, it can predict a missing field in a physical system …