Plasma performance and operational space without ELMs in DIII-D
C Paz-Soldan, DIII-D Team - Plasma Physics and Controlled …, 2021 - iopscience.iop.org
Abstract A database of DIII-D plasmas without edge-localized modes (ELMs) compares the
operating space and plasma performance of stationary no-ELM regimes found in …
operating space and plasma performance of stationary no-ELM regimes found in …
Non-linear MHD investigations of high-confinement regimes without type-I ELMs in ASDEX Upgrade and JT-60SA
Large edge localised modes (ELMs) would cause an unacceptable reduction of material
lifetime in future large tokamaks due to the significant amount of energy expelled from the …
lifetime in future large tokamaks due to the significant amount of energy expelled from the …
[HTML][HTML] Predictive nonlinear MHD simulations of quiescent H-mode plasma in the HL-3 tokamak
In this article, we investigate the edge localized mode (ELM)-free quiescent H (QH)-mode
regime in the HL-3 tokamak via nonlinear MHD simulations. HL-3 (previously known as HL …
regime in the HL-3 tokamak via nonlinear MHD simulations. HL-3 (previously known as HL …
[HTML][HTML] Sparsified time-dependent Fourier neural operators for fusion simulations
This paper presents a sparsified Fourier neural operator for coupled time-dependent partial
differential equations (ST-FNO) as an efficient machine learning surrogate for fluid and …
differential equations (ST-FNO) as an efficient machine learning surrogate for fluid and …
Comparison of MHD stability properties between QH-mode and ELMy H-mode plasmas by considering plasma rotation and ion diamagnetic drift effects
N Aiba, X Chen, TH Osborne, KH Burrell - Nuclear Fusion, 2023 - iopscience.iop.org
Magnetohydrodynamic (MHD) stability at tokamak edge pedestal in a quiescent H-mode
(QH-mode) and type-I ELMy H-mode plasmas in DIII-D experiment was analyzed by …
(QH-mode) and type-I ELMy H-mode plasmas in DIII-D experiment was analyzed by …
Edge harmonic oscillations in plasmas with a separatrix and the effect of edge magnetic shear
This work presents an extension of exfernal mode theory, where the effects of edge
magnetic shear and plasma separatrix are investigated and applied to edge harmonic …
magnetic shear and plasma separatrix are investigated and applied to edge harmonic …
[HTML][HTML] Modeling of saturated external MHD instabilities in tokamaks: A comparison of 3D free boundary equilibria and nonlinear stability calculations
3D free boundary equilibrium computations have recently been used to model external kinks
and edge harmonic oscillations (EHOs), comparing with linear MHD stability codes, and …
and edge harmonic oscillations (EHOs), comparing with linear MHD stability codes, and …
MHD simulations of formation, sustainment and loss of quiescent H-mode in the all-tungsten ASDEX Upgrade
Periodic edge localized modes (ELMs) are the non-linear consequences of pressure-
gradient-driven ballooning modes and current-driven peeling modes becoming unstable in …
gradient-driven ballooning modes and current-driven peeling modes becoming unstable in …
Plasmoid-mediated reconnection during nonlinear peeling–ballooning edge-localized modes
Plasmoid-mediated reconnection is investigated for nonlinear peeling–ballooning edge-
localized modes (PB ELMs). The formation of current sheets and the transition to 3D current …
localized modes (PB ELMs). The formation of current sheets and the transition to 3D current …
Stabilization of kink/peeling modes by coupled rotation and ion diamagnetic drift effects in quiescent H-mode plasmas in DIII-D and JT-60U
N Aiba, X Chen, K Kamiya, M Honda… - Nuclear …, 2021 - iopscience.iop.org
Magnetohydrodynamic stability at the edge pedestal in several quiescent H-mode (QH-
mode) plasmas in DIII-D and JT-60U experiments was analyzed by considering plasma …
mode) plasmas in DIII-D and JT-60U experiments was analyzed by considering plasma …