Physics of runaway electrons in tokamaks
BN Breizman, P Aleynikov, EM Hollmann… - Nuclear …, 2019 - iopscience.iop.org
Of all electrons, runaway electrons have long been recognized in the fusion community as a
distinctive population. They now attract special attention as a part of ITER mission …
distinctive population. They now attract special attention as a part of ITER mission …
[HTML][HTML] A generalised formulation of G-continuous Bezier elements applied to non-linear MHD simulations
The international tokamak ITER is progressing towards assembly completion and first-
plasma operation, which will be a physics and engineering challenge for the fusion …
plasma operation, which will be a physics and engineering challenge for the fusion …
[HTML][HTML] Space dependent, full orbit effects on runaway electron dynamics in tokamak plasmas
The dynamics of RE (runaway electrons) in fusion plasmas span a wide range of temporal
scales, from the fast gyro-motion,∼ 10− 11 s, to the observational time scales,∼ 10− 2→ 1 s …
scales, from the fast gyro-motion,∼ 10− 11 s, to the observational time scales,∼ 10− 2→ 1 s …
Runaway electron dynamics in tokamak plasmas with high impurity content
JR Martín-Solís, A Loarte, M Lehnen - Physics of Plasmas, 2015 - pubs.aip.org
The dynamics of high energy runaway electrons is analyzed for plasmas with high impurity
content. It is shown that modified collision terms are required in order to account for the …
content. It is shown that modified collision terms are required in order to account for the …
Numerical simulation of runaway electrons: 3-D effects on synchrotron radiation and impurity-based runaway current dissipation
Numerical simulations of runaway electrons (REs) with a particular emphasis on orbit
dependent effects in 3-D magnetic fields are presented. The simulations were performed …
dependent effects in 3-D magnetic fields are presented. The simulations were performed …
Neural-Parareal: Self-Improving Acceleration of Fusion MHD Simulations Using Time-Parallelisation and Neural Operators
The fusion research facility ITER is currently being assembled to demonstrate that fusion can
be used for industrial energy production, while several other programmes across the world …
be used for industrial energy production, while several other programmes across the world …
On the measurement of the threshold electric field for runaway electron generation in the Frascati Tokamak Upgrade
Z Popovic, B Esposito, JR Martín-Solís, W Bin… - Physics of …, 2016 - pubs.aip.org
Experiments have been carried out to evaluate the threshold electric field for runaway
generation during the flat-top phase of ohmic discharges in the Frascati Tokamak Upgrade …
generation during the flat-top phase of ohmic discharges in the Frascati Tokamak Upgrade …
Neural-Parareal: Dynamically Training Neural Operators as Coarse Solvers for Time-Parallelisation of Fusion MHD Simulations
The fusion research facility ITER is currently being assembled to demonstrate that fusion can
be used for industrial energy production, while several other programmes across the world …
be used for industrial energy production, while several other programmes across the world …
Deconfinement of runaway electrons by local vertical magnetic field perturbation
Runaway electron (RE) deconfinement and subsequent suppression is of prime importance
for successful long-term operation of any tokamak. In this work, to deconfine and mitigate …
for successful long-term operation of any tokamak. In this work, to deconfine and mitigate …
Self-consistent modeling of electron runaway in tokamak disruptions
O Linder - 2022 - mediatum.ub.tum.de
In this dissertation we investigate plasma terminating disruptions, which threaten the
integrity of reactor-relevant tokamaks. With a coupled 1.5 D transport framework, I model the …
integrity of reactor-relevant tokamaks. With a coupled 1.5 D transport framework, I model the …