Recent progress in the interaction between energetic particles and tearing modes
H Cai, D Li - National Science Review, 2022 - academic.oup.com
The dynamics of energetic particles and tearing modes and the interactions between them
are of great significance for magnetically confined fusion plasmas. In this review, we focus …
are of great significance for magnetically confined fusion plasmas. In this review, we focus …
Velocity-space sensitivity and inversions of synthetic ion cyclotron emission
BS Schmidt, M Salewski, BCG Reman, RO Dendy… - Physics of …, 2023 - pubs.aip.org
This paper introduces a new model to find the velocity-space location of energetic ions
generating ion cyclotron emission (ICE) in plasmas. ICE is thought to be generated due to …
generating ion cyclotron emission (ICE) in plasmas. ICE is thought to be generated due to …
Alfvén eigenmode classification based on ECE diagnostics at DIII-D using deep recurrent neural networks
Modern tokamaks have achieved significant fusion production, but further progress towards
steady-state operation has been stymied by a host of kinetic and MHD instabilities. Control …
steady-state operation has been stymied by a host of kinetic and MHD instabilities. Control …
Exploring data-driven models for spatiotemporally local classification of Alfvén eigenmodes
Alfvén eigenmodes (AEs) are an important and complex class of plasma dynamics
commonly observed in tokamaks and other plasma devices. In this work, we manually …
commonly observed in tokamaks and other plasma devices. In this work, we manually …
A new FILDSIM model for improved velocity-space sensitivity modelling and reconstructions
BS Schmidt, J Poley-Sanjuán… - Plasma Physics and …, 2024 - iopscience.iop.org
We present a new version of the FILDSIM code (Galdon-Quíroga et al 2018 Plasma Phys.
Control. Fusion60 105005), which significantly refines the modelling of the fast-ion loss …
Control. Fusion60 105005), which significantly refines the modelling of the fast-ion loss …
Anisotropic regularization for inversion of fast-ion loss detector measurements
BS Schmidt, JS Jørgensen, J Rueda-Rueda… - Nuclear …, 2024 - iopscience.iop.org
We introduce an anisotropic regularization framework for the reconstruction of distribution
functions from measurements, utilizing an approach that applies distinct regularization …
functions from measurements, utilizing an approach that applies distinct regularization …
Fast-ion velocity-space tomography using slowing-down regularization in EAST plasmas with co-and counter-current neutral beam injection
B Madsen, J Huang, M Salewski… - Plasma Physics and …, 2020 - iopscience.iop.org
We demonstrate 2D reconstructions of the fast-ion velocity distribution from two-view fast-ion
D-alpha (FIDA) measurements at the EAST tokamak. By expressing the distribution in a …
D-alpha (FIDA) measurements at the EAST tokamak. By expressing the distribution in a …
Tomographic reconstructions of the fast-ion phase space using imaging neutral particle analyser measurements
J Rueda-Rueda, M Garcia-Munoz… - Plasma Physics and …, 2024 - iopscience.iop.org
In this paper we demonstrate how the inversion, in energy and major radius (E, R)
coordinates, of imaging neutral particle analyser (INPA) measurements can be used to …
coordinates, of imaging neutral particle analyser (INPA) measurements can be used to …
Fast-ion orbit sensitivity of neutron emission spectroscopy diagnostics
Fast ions in fusion plasmas often leave characteristic signatures in the plasma neutron
emission. Measurements of this emission are subject to the phase-space sensitivity of the …
emission. Measurements of this emission are subject to the phase-space sensitivity of the …
Determining 1D fast-ion velocity distribution functions from ion cyclotron emission data using deep neural networks
BS Schmidt, M Salewski, B Reman… - Review of Scientific …, 2021 - pubs.aip.org
The relationship between simulated ion cyclotron emission (ICE) signals s and the
corresponding 1D velocity distribution function fv⊥ of the fast ions triggering the ICE is …
corresponding 1D velocity distribution function fv⊥ of the fast ions triggering the ICE is …