Modelling of vertical displacement events in tokamaks: status and challenges ahead
In this paper, we revisit the physics of mitigated and unmitigated Vertical Displacement
Events (VDEs) and present a summary of present modelling efforts and code capabilities …
Events (VDEs) and present a summary of present modelling efforts and code capabilities …
Energy deposition and melt deformation on the ITER first wall due to disruptions and vertical displacement events
An analysis workflow has been developed to assess energy deposition and material
damage for ITER vertical displacement events (VDEs) and major disruptions (MD). This …
damage for ITER vertical displacement events (VDEs) and major disruptions (MD). This …
[HTML][HTML] Multi-region approach to free-boundary three-dimensional tokamak equilibria and resistive wall instabilities
Free-boundary 3D tokamak equilibria and resistive wall instabilities are calculated using a
new resistive wall model in the two-fluid M3D-C1 code. In this model, the resistive wall and …
new resistive wall model in the two-fluid M3D-C1 code. In this model, the resistive wall and …
Vertical forces during vertical displacement events in an ITER plasma and the role of halo currents
CF Clauser, SC Jardin, NM Ferraro - Nuclear Fusion, 2019 - iopscience.iop.org
Vertical displacement events (VDEs) can occur in elongated tokamaks causing large
currents to flow in the vessel and other adjacent metallic structures. To better understand the …
currents to flow in the vessel and other adjacent metallic structures. To better understand the …
Disruption mitigation by injection of small quantities of noble gas in ASDEX Upgrade
G Pautasso, M Bernert, M Dibon, B Duval… - Plasma Physics and …, 2016 - iopscience.iop.org
The most recent experiments of disruption mitigation by massive gas injection in ASDEX
Upgrade have concentrated on small—relatively to the past—quantities of noble gas …
Upgrade have concentrated on small—relatively to the past—quantities of noble gas …
Experiments and non-linear MHD simulations of hot vertical displacement events in ASDEX-Upgrade
Hot vertical displacement events (VDEs) are one of the worst case scenarios for high-current
tokamaks as they are associated with large heat loads and electro-magnetic forces. Non …
tokamaks as they are associated with large heat loads and electro-magnetic forces. Non …
Integrated tokamak modeling: when physics informs engineering and research planning
FM Poli - Physics of Plasmas, 2018 - pubs.aip.org
Modeling tokamaks enables a deeper understanding of how to run and control our
experiments and how to design stable and reliable reactors. We model tokamaks to …
experiments and how to design stable and reliable reactors. We model tokamaks to …
Effects of asymmetries in computations of forced vertical displacement events
CR Sovinec, KJ Bunkers - Plasma Physics and Controlled Fusion, 2019 - iopscience.iop.org
Visco-resistive magnetohydrodynamic (MHD) computations with the NIMROD code (Sovinec
CR et al 2004 J. Comput. Phys. 195 355) are applied to a model tokamak configuration that …
CR et al 2004 J. Comput. Phys. 195 355) are applied to a model tokamak configuration that …
[HTML][HTML] Reassessing energy deposition for the ITER 5 MA vertical displacement event with an improved DINA model
The beryllium (Be) main chamber wall interaction during a 5 MA/1.8 T upward, unmitigated
VDE scenario, first analysed in [J. Coburn et al., Phys. Scr. T171 (2020) 014076] for ITER …
VDE scenario, first analysed in [J. Coburn et al., Phys. Scr. T171 (2020) 014076] for ITER …
Electromagnetic disruption analysis in IGNITOR
F Villone, G Ramogida, G Rubinacci - Fusion Engineering and Design, 2015 - Elsevier
The present paper reports a detailed analysis of disruptions in the IGNITOR tokamak. Two
different numerical models are used (one axisymmetric, the other three-dimensional), in …
different numerical models are used (one axisymmetric, the other three-dimensional), in …