43 citations · 98 across the 4 of their papers we have counts for
15 papers · 1 filter
The hot-tail runaway seed landscape during the thermal quench in tokamaks
Ida Svenningsson, Ola Embreus, Mathias Hoppe +2
Runaway electron populations seeded from the hot-tail generated by the rapid cooling in plasma-terminating disruptions are a serious concern for next-step tokamak devices such as I…
Validity of models for Dreicer generation of runaway electrons in dynamic scenarios
S. Olasz, O. Embreus, M. Hoppe +6
Runaway electron modelling efforts are motivated by the risk these energetic particles pose to large fusion devices. The sophisticated kinetic models can capture most features of t…
Modelling of runaway electron dynamics during argon-induced disruptions in ASDEX Upgrade and JET
K. Insulander Björk, O. Vallhagen, G. Papp +7
Disruptions in tokamak plasmas may lead to the generation of runaway electrons that have the potential to damage plasma-facing components. Improved understanding of the runaway gen…
Alpha particle driven Alfvénic instabilities in ITER post-disruption plasmas
Andrej Lier, Gergely Papp, Philipp Lauber +3
Fusion-born alpha particles in ITER disruption simulations are investigated as a possible drive of Alfvénic instabilities. The ability of these waves to expel runaway electron (RE)…
Effects of magnetic perturbations and radiation on the runaway avalanche
P. Svensson, O. Embreus, S. L. Newton +3
The electron runaway phenomenon in plasmas depends sensitively on the momentum-space dynamics. However, efficient simulation of the global evolution of systems involving runaway el…
Assessing energy dependence of the transport of relativistic electrons in perturbed magnetic fields with orbit-following simulations
Konsta Särkimäki, Ola Embreus, Eric Nardon +2
Experimental observations, as well as theoretical predictions, indicate that the transport of energetic electrons decreases with energy. This reduction in transport is attributed t…