Drift of ablated material after pellet injection in a tokamak

O Vallhagen, I Pusztai, P Helander… - Journal of Plasma …, 2023 - cambridge.org
Pellet injection is used for fuelling and controlling discharges in tokamaks, and it is foreseen
in ITER. During pellet injection, a movement of the ablated material towards the low-field …

[KIRJA][B] Magnetic fluctuations in gyrokinetic simulations of tokamak scrape-off layer turbulence

NR Mandell - 2021 - search.proquest.com
Understanding turbulent transport physics in the tokamak edge and scrape-off layer (SOL) is
critical to develo** a successful fusion reactor. The dynamics in these regions plays a key …

Impact of electromagnetic effects on macroscopic dynamics of blobs in hot low-β edge plasma of fusion devices

AA Stepanenko - Physics of Plasmas, 2020 - pubs.aip.org
The impact of electromagnetic effects on macroscopic dynamics of blobs in hot low-β (⁠ β<
me/mi⁠) edge plasma of fusion devices is analyzed. The physical model governing filament …

On Ohm's law in reduced plasma fluid models

BD Dudson, SL Newton, JT Omotani… - Plasma Physics and …, 2021 - iopscience.iop.org
Drift-reduced MHD models are widely used to study magnetised plasma phenomena, in
particular for magnetically confined fusion applications, as well as in solar and astrophysical …

Effect of electromagnetic wave reflection from conducting surfaces on blob dynamics in the tokamak scrape-off layer

AA Stepanenko - Physics of Plasmas, 2023 - pubs.aip.org
Electromagnetic dynamics of blobs in hot scrape-off-layer plasmas of the tokamak are
affected by excitation of the Alfvén waves and their subsequent propagation to the machine …

[HTML][HTML] Turbulent broadening of electron heat-flux width in electromagnetic gyrokinetic simulations of a helical scrape-off layer model

NR Mandell, GW Hammett, A Hakim… - Physics of Plasmas, 2022 - pubs.aip.org
We demonstrate that cross field transport in the scrape-off layer (SOL) can be moderately
increased by electromagnetic effects in high-beta regimes, resulting in broadening of the …

Non-trace full-F gyro-fluid interchange impurity advection

E Reiter, M Wiesenberger, M Held… - Journal of Plasma …, 2023 - cambridge.org
A full-F isothermal gyro-fluid model and code (which is based on the full distribution function
F compared to only small fluctuations) is extended to handle self-consistent coupling of …

Estimation of Filamentary Transport Parameters at the Edge of Tokamak MEPhIST-0

AA Stepanenko, SA Krat - Physics of Atomic Nuclei, 2024 - Springer
The parameters of the convective filamentary transport in the edge region of the small
spherical tokamak MEPhIST-0 are estimated. To describe dynamics of the installation …

Cumulative impact of electromagnetic effects and inhomogeneous temperature distribution on dynamics of plasma filaments at the tokamak edge

AA Stepanenko - Plasma Physics Reports, 2021 - Springer
The cumulative impact of the inhomogeneous distribution of the plasma temperature and
electromagnetic effects on dynamics of plasma filaments in the hot edge plasma of a …

Impact of Generalized Sheath Boundary Conditions on Dynamics of Plasma Filaments at the Tokamak Edge

AA Stepanenko - Plasma Physics Reports, 2022 - Springer
The impact of generalized sheath boundary conditions, taking into account the sheath
perturbations driven by the Alfvén waves, on the propagation of plasma filaments at the …