Comparing spontaneous and pellet-triggered ELMs via non-linear extended MHD simulations
Injecting frozen deuterium pellets into an ELMy H-mode plasma is a well established
scheme for triggering edge localized modes (ELMs) before they naturally occur. This paper …
scheme for triggering edge localized modes (ELMs) before they naturally occur. This paper …
Transition from no-ELM response to pellet ELM triggering during pedestal build-up—insights from extended MHD simulations
Pellet edge localized mode (ELM) triggering is a well-established scheme for decreasing the
time between two successive ELM crashes below its natural value. Reliable ELM pacing has …
time between two successive ELM crashes below its natural value. Reliable ELM pacing has …
ELM pace making and mitigation by pellet injection in ASDEX Upgrade
PT Lang, GD Conway, T Eich, L Fattorini… - Nuclear …, 2004 - iopscience.iop.org
In ASDEX Upgrade, experimental efforts aim to establish pace making and mitigation of type-
I edge localized modes (ELMs) in high confinement mode (H-mode) discharges. Injection of …
I edge localized modes (ELMs) in high confinement mode (H-mode) discharges. Injection of …
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 …
Investigation of pellet-triggered MHD events in ASDEX Upgrade and JET
PT Lang, K Lackner, M Maraschek, B Alper… - Nuclear …, 2008 - iopscience.iop.org
To get a deeper insight into the MHD activity triggered by pellets we extended our previous
analyses of standard type-I ELMs to pellets injected into discharge phases of the following …
analyses of standard type-I ELMs to pellets injected into discharge phases of the following …
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 …
Non-linear magnetohydrodynamic simulations of edge localised mode triggering via vertical position oscillations in ITER
Magnetic triggering of edge localized modes (ELMs) in Ohmic H-mode plasmas was first
reported in the TCV tokamak (Degeling et al 2003 Plasma Phys. Control. Fusion 45 1637) …
reported in the TCV tokamak (Degeling et al 2003 Plasma Phys. Control. Fusion 45 1637) …
Insights into type‐I edge localized modes and edge localized mode control from JOREK non‐linear magneto‐hydrodynamic simulations
Edge localized modes (ELMs) are repetitive instabilities driven by the large pressure
gradients and current densities in the edge of H‐mode plasmas. Type‐I ELMs lead to a fast …
gradients and current densities in the edge of H‐mode plasmas. Type‐I ELMs lead to a fast …
Non-linear extended MHD simulations of type-I edge localised mode cycles in ASDEX Upgrade and their underlying triggering mechanism
A triggering mechanism responsible for the explosive onset of edge localised modes (ELMs)
in fusion plasmas is identified by performing, for the first time, non-linear …
in fusion plasmas is identified by performing, for the first time, non-linear …
Solitary magnetic perturbations at the ELM onset
Tokamak H-mode plasmas frequently exhibit edge-localized modes (ELMs). ELMs allow
maintaining sufficient plasma purity and thus enable stationary H-mode. On the other hand …
maintaining sufficient plasma purity and thus enable stationary H-mode. On the other hand …