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 …

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 …

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 …

The pellet pacing ELM control concept developed at the mid-sized tokamak ASDEX
Upgrade is considered for the larger machines JET and ITER as well. By driving up the ELM …

Pellets injected into type-I ELMy H-mode discharges are known to trigger edge-localized
modes (ELMs). In order to understand the underlying processes the triggering mechanism …

Edge-localized mode (ELM) triggering and pacing in an all-metal wall environment shows
significant differences to a first-wall configuration containing carbon. Here we report on …

The injection of small deuterium pellets at high repetition rates up to 12× the natural edge
localized mode (ELM) frequency has been used to trigger high-frequency ELMs in otherwise …

During the installation of the new ITER-like wall (ILW) at JET, the high frequency pellet
injector has been further improved. The launching system is now capable of delivering …

A newly installed Lithium Granule Injector (LGI) was used to pace edge localized modes
(ELM) in DIII-D. ELM pacing efficiency was studied injecting lithium granules of nominal …

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 …