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 …

Overview of JET results for optimising ITER operation

J Mailloux, N Abid, K Abraham, P Abreu… - Nuclear …, 2022 - iopscience.iop.org
The JET programme in 2019–2020 focussed on preparing for the exploitation of JET's
currently unique capabilities, tritium handling and ITER-like wall (ILW: Be first wall and W …

Performance of Wendelstein 7-X stellarator plasmas during the first divertor operation phase

RC Wolf, A Alonso, S Äkäslompolo, J Baldzuhn… - Physics of …, 2019 - pubs.aip.org
Wendelstein 7-X is the first comprehensively optimized stellarator aiming at good
confinement with plasma parameters relevant to a future stellarator power plant. Plasma …

A quasi-isodynamic configuration with good confinement of fast ions at low plasma β

E Sánchez, JL Velasco, I Calvo, S Mulas - Nuclear Fusion, 2023 - iopscience.iop.org
A new quasi-isodynamic (QI) stellarator configuration optimized for the confinement of
energetic ions at low plasma β is obtained. The numerical optimization is carried out using …

Validation of D–T fusion power prediction capability against 2021 JET D–T experiments

HT Kim, F Auriemma, J Ferreira, S Gabriellini… - Nuclear …, 2023 - iopscience.iop.org
JET experiments using the fuel mixture envisaged for fusion power plants, deuterium and
tritium (D–T), provide a unique opportunity to validate existing D–T fusion power prediction …

Overview of interpretive modelling of fusion performance in JET DTE2 discharges with TRANSP

Ž Štancar, KK Kirov, F Auriemma, HT Kim… - Nuclear …, 2023 - iopscience.iop.org
In the paper we present an overview of interpretive modelling of a database of JET-ILW
2021 DT discharges using the TRANSP code. The main aim is to assess our capability of …

RABBIT: Real-time simulation of the NBI fast-ion distribution

M Weiland, R Bilato, R Dux, B Geiger, A Lebschy… - Nuclear …, 2018 - iopscience.iop.org
A novel code is presented, which is capable of computing the NBI fast-ion distribution in real-
time. We discuss the approximations needed to arrive at this goal: a simplified beam …

The DEMO wall load challenge

R Wenninger, R Albanese, R Ambrosino… - Nuclear …, 2017 - iopscience.iop.org
For several reasons the challenge to keep the loads to the first wall within engineering limits
is substantially higher in DEMO compared to ITER. Therefore the pre-conceptual design …

Modeling the complete prevention of disruption-generated runaway electron beam formation with a passive 3D coil in SPARC

RA Tinguely, VA Izzo, DT Garnier, A Sundström… - Nuclear …, 2021 - iopscience.iop.org
The potential formation of multi-mega-ampere beams of relativistic'runaway'electrons (REs)
during sudden terminations of tokamak plasmas poses a significant challenge to the …

Runaway electron deconfinement in SPARC and DIII-D by a passive 3D coil

VA Izzo, I Pusztai, K Särkimäki, A Sundström… - Nuclear …, 2022 - iopscience.iop.org
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 …