Impact of a pulsed supersonic deuterium gas jet on the ELM behaviour in ASDEX Upgrade

PT Lang, J Neuhauser, J Bucalossi… - Plasma physics and …, 2005 - iopscience.iop.org
The possibility for pacing of type-I edge localized modes (ELMs) in H-mode plasmas by
intermittent gas injection was investigated in ASDEX Upgrade as a possible alternative to …

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 …

Investigations on the ELM cycle by local 3D perturbation experiments

PT Lang, K Gal, J Hobirk, S Kalvin… - Plasma physics and …, 2006 - iopscience.iop.org
An experimental study is performed to investigate the underlying physics of ELM triggering
by imposing local perturbations at the plasma edge. Deuterium is injected during type-I …

ELM frequency control by continuous small pellet injection in ASDEX Upgrade

PT Lang, J Neuhauser, LD Horton, T Eich… - Nuclear …, 2003 - iopscience.iop.org
Injection of cryogenic deuterium pellets has been successfully applied in ASDEX Upgrade
for external edge localized mode (ELM) frequency control in type-I ELMy H-mode discharge …

A pellet launcher tool optimized for the control of edge localized modes in ASDEX Upgrade H-mode plasmas

PT Lang, P Cierpka, J Harhausen, M Kaufmann… - Fusion engineering and …, 2007 - Elsevier
A main challenge for fusion research oriented pellet launcher systems is the control of the
plasma edge region, especially of the possibly dangerous edge localized modes (ELMs) …

Effects of type-I edge-localized modes on transport in ASDEX Upgrade

W Suttrop, O Gehre, JC Fuchs… - Plasma physics and …, 1998 - iopscience.iop.org
Particle and energy losses due to type-I edge-localized modes (ELMs) and the effect of H-
mode pedestal parameters on global confinement are studied for H-Mode discharges in …

ITER-relevant H-mode physics at ASDEX Upgrade

LD Horton, GD Conway, AW Degeling… - Plasma physics and …, 2004 - iopscience.iop.org
A variety of techniques are being tested on ASDEX Upgrade for avoiding or reducing the
divertor energy load caused by ELMs. Quiescent H-mode operation has been improved by …

Energy and particle losses during type-I ELMy H-mode in ASDEX Upgrade

H Urano, W Suttrop, LD Horton… - Plasma physics and …, 2003 - iopscience.iop.org
Characteristics of edge-localized mode (ELM) energy and particle losses in type-I ELMy H-
mode plasmas on ASDEX Upgrade are investigated by a large data set with as much as …

Frequency control of type-I ELMs by magnetic triggering in ASDEX Upgrade

PT Lang, AW Degeling, JB Lister… - Plasma physics and …, 2004 - iopscience.iop.org
Magnetic triggering of edge localized modes (ELMs) was reported first from TCV in ohmic
plasmas showing type-III ELMs. This method, showing successful locking of the ELM …

Preliminary results of ELMy H-mode experiments on the HL-2A tokamak

XR Duan, JQ Dong, LW Yan, XT Ding, QW Yang… - Nuclear …, 2010 - iopscience.iop.org
Typical ELMy H-mode discharges have been achieved on the HL-2A tokamak with
combined auxiliary heating of NBI and ECRH. The minimum power required is about 1.1 …