Overview of initial negative triangularity plasma studies on the ASDEX Upgrade tokamak

T Happel, T Pütterich, D Told, M Dunne… - Nuclear …, 2022 - iopscience.iop.org
An overview of results of negative triangularity (NT) studies from the ASDEX Upgrade
tokamak (AUG) is given. Moderate values of the triangularity in the range of δ average≈ …

Survey of the H-mode power threshold and transition physics studies in ASDEX Upgrade

F Ryter, SK Rathgeber, LB Orte, M Bernert… - Nuclear …, 2013 - iopscience.iop.org
An overview of the H-mode threshold power in ASDEX Upgrade which addresses the impact
of the tungsten versus graphite wall, the dependences upon plasma current and density, as …

[HTML][HTML] Deep convolutional neural networks for multi-scale time-series classification and application to tokamak disruption prediction using raw, high temporal …

RM Churchill, B Tobias, Y Zhu, DIII-D team - Physics of Plasmas, 2020 - pubs.aip.org
In this paper, we discuss recent advances in deep convolutional neural networks (CNNs) for
sequence learning, which allow identifying long-range, multi-scale phenomena in long …

Multiscale interaction between a large scale magnetic island and small scale turbulence

MJ Choi, J Kim, JM Kwon, HK Park, Y In, W Lee… - Nuclear …, 2017 - iopscience.iop.org
Multiscale interaction between the magnetic island and turbulence has been demonstrated
through simultaneous two-dimensional measurements of turbulence and temperature and …

I-mode studies at ASDEX Upgrade: LI and IH transitions, pedestal and confinement properties

F Ryter, R Fischer, JC Fuchs, T Happel… - Nuclear …, 2016 - iopscience.iop.org
The I-mode is a plasma regime obtained when the usual LH power threshold is high, eg with
unfavourable ion $\nabla B $ direction. It is characterised by the development of a …

Overview of physics studies on ASDEX Upgrade

H Meyer, C Angioni, CG Albert, N Arden… - Nuclear …, 2019 - iopscience.iop.org
Abstract The ASDEX Upgrade (AUG) programme, jointly run with the EUROfusion MST1
task force, continues to significantly enhance the physics base of ITER and DEMO. Here, the …

High frequency magnetic fluctuations correlated with the inter-ELM pedestal evolution in ASDEX Upgrade

FM Laggner, E Wolfrum, M Cavedon… - Plasma Physics and …, 2016 - iopscience.iop.org
In order to understand the mechanisms that determine the structure of the high confinement
mode (H-mode) pedestal, the evolution of the plasma edge electron density and …

Validation of a full-plasma integrated modeling approach on ASDEX Upgrade

T Luda, C Angioni, MG Dunne, E Fable… - Nuclear …, 2021 - iopscience.iop.org
In this work we present the extensive validation of a refined version of the integrated model
based on engineering parameters (IMEP) introduced in reference (Luda et al 2020 Nucl …

Multi-device studies of pedestal physics and confinement in the I-mode regime

AE Hubbard, T Osborne, F Ryter, M Austin… - Nuclear …, 2016 - iopscience.iop.org
This paper describes joint ITPA studies of the I-mode regime, which features an edge
thermal barrier together with L-mode-like particle and impurity transport and no edge …

Gyrokinetic study of ASDEX Upgrade inter-ELM pedestal profile evolution

DR Hatch, D Told, F Jenko, H Doerk, MG Dunne… - Nuclear …, 2015 - iopscience.iop.org
The gyrokinetic G ENE code is used to study the inter-ELM H-mode pedestal profile
evolution for an ASDEX Upgrade discharge. Density gradient driven trapped electron modes …