Runaway electron deconfinement in SPARC and DIII-D by a passive 3D coil
The operation of a 3D coil—passively driven by the current quench (CQ) loop voltage—for
the deconfinement of runaway electrons (REs) is modeled for disruption scenarios in the …
the deconfinement of runaway electrons (REs) is modeled for disruption scenarios in the …
Role of kinetic instability in runaway-electron avalanches and elevated critical electric fields
The effects of kinetic whistler wave instabilities on the runaway-electron (RE) avalanche is
investigated. With parameters from experiments at the DIII-D National Fusion Facility, we …
investigated. With parameters from experiments at the DIII-D National Fusion Facility, we …
Self-Consistent Simulation of the Excitation of Compressional Alfvén Eigenmodes and Runaway Electron Diffusion in Tokamak Disruptions
C Liu, A Lvovskiy, C Paz-Soldan, SC Jardin… - Physical review …, 2023 - APS
Alfvénic modes in the current quench (CQ) stage of the tokamak disruption have been
observed in experiments. In DIII-D the excitation of these modes is associated with the …
observed in experiments. In DIII-D the excitation of these modes is associated with the …
Runaway electron seed formation at reactor-relevant temperature
C Paz-Soldan, P Aleynikov, EM Hollmann… - Nuclear …, 2020 - iopscience.iop.org
Systematic variation of the pre-disruption core electron temperature (T e) from 1 to 12 keV
using an internal transport barrier scenario reveals a dramatic increase in the production …
using an internal transport barrier scenario reveals a dramatic increase in the production …
Magnetic surface loss and electron runaway
AH Boozer - Plasma Physics and Controlled Fusion, 2019 - iopscience.iop.org
The exponentiation of a small seed of energetic electrons into a strong current of relativistic
electrons during disruptions is a major threat to the ITER mission; the adequacy of the plan …
electrons during disruptions is a major threat to the ITER mission; the adequacy of the plan …
Resonant interaction between runaway electrons and the toroidal magnetic field ripple in TCV
TA Wijkamp, M Hoppe, J Decker, BP Duval… - Nuclear …, 2023 - iopscience.iop.org
This work explains the anomalously high runaway electron (RE) pitch angles inferred in the
flat-top of dedicated Tokamak à Configuration Variable (TCV) experiments. Kinetic …
flat-top of dedicated Tokamak à Configuration Variable (TCV) experiments. Kinetic …
Compressional Alfvén eigenmodes excited by runaway electrons
Compressional Alfvén eigenmodes (CAEs) driven by energetic ions have been observed in
magnetic fusion experiments. In this paper, we show that the modes can also be driven by …
magnetic fusion experiments. In this paper, we show that the modes can also be driven by …
Low-frequency whistler waves in quiescent runaway electron plasmas
In quiescent runaway electron plasmas in the DIII-D tokamak, whistler waves with
frequencies between 90 and 200 MHz are driven unstable in plasmas with appreciable hard …
frequencies between 90 and 200 MHz are driven unstable in plasmas with appreciable hard …
Whistler heat flux instability governed interaction of anisotropic beam electrons in electromagnetic Vlasov simulations
A Paul, D Sharma - Physics of Plasmas, 2023 - pubs.aip.org
The kinetic instability of whistlers in a warm plasma, arising from electron temperature
anisotropy with respect to directions parallel and perpendicular to the magnetizing field, is …
anisotropy with respect to directions parallel and perpendicular to the magnetizing field, is …
Fast dynamics of radiofrequency emission in FTU plasmas with runaway electrons
Abstract Radiofrequency emission in the 0.4–3 GHz range from FTU tokamak in presence of
runaway electrons (REs) has been measured in various plasma regimes. Rapid emission …
runaway electrons (REs) has been measured in various plasma regimes. Rapid emission …