Gyrokinetic nonlinear isotope effects in tokamak plasmas

J Garcia, T Görler, F Jenko, G Giruzzi - Nuclear Fusion, 2016 - iopscience.iop.org
Previous observations of an isotope dependent energy confinement in magnetically
confined plasmas are still largely unexplained and its interaction with apparently unrelated …

Collisional multispecies drift fluid model

A Poulsen, JJ Rasmussen, M Wiesenberger… - Physics of …, 2020 - pubs.aip.org
Transport in the edge and scrape-off layer mediated by turbulent fluctuations is often studied
using drift fluid models. In this work, we expand previous work on a two-fluid single ion …

[HTML][HTML] TIFF: Gyrofluid Turbulence in Full-f and Full-k

A Kendl - Computer Physics Communications, 2024 - Elsevier
A model and code (“TIFF”) for isothermal gyrofluid computation of quasi-two-dimensional
interchange and drift wave turbulence in magnetized plasmas with arbitrary fluctuation …

Impurity effects on residual zonal flow in deuterium (D)-tritium (T) plasmas

W Guo, L Wang, G Zhuang - Nuclear Fusion, 2017 - iopscience.iop.org
Significant effects of impurities on residual zonal flow (ZF) in deuterium (D)-tritium (T)
plasmas are found. When the gyroradius of impurities is larger (smaller) than that of main …

Effects of plasma resistivity in three-dimensional full-F gyro-fluid turbulence simulations

M Wiesenberger, M Held - arXiv preprint arXiv:2309.10414, 2023 - arxiv.org
A full-F, isothermal, electromagnetic, gyro-fluid model is used to simulate plasma turbulence
in a COMPASS-sized, diverted tokamak. A parameter scan covering three orders of …

[HTML][HTML] GHW: A simulation code for gyrofluid Hasegawa-Wakatani plasma turbulence

A Kendl - Computer Physics Communications, 2025 - Elsevier
GHW is a gyrofluid code for computation of quasi-two-dimensional turbulence with
consistent finite Larmor radius (FLR) effects in magnetized plasmas. The simulation setup …

Effects of plasma resistivity in FELTOR simulations of three-dimensional full-F gyro-fluid turbulence

M Wiesenberger, M Held - Plasma Physics and Controlled Fusion, 2024 - iopscience.iop.org
A full-F, isothermal, electromagnetic, gyro-fluid model is used to simulate plasma turbulence
in a COMPASS-sized, diverted tokamak. A parameter scan covering three orders of …

Isotope effect on filament dynamics in fusion edge plasmas

OHH Meyer, A Kendl - Plasma Physics and Controlled Fusion, 2017 - iopscience.iop.org
The influence of the ion mass on filament propagation in the scrape-off layer of toroidal
magnetised plasmas is analysed for various fusion relevant majority species, like hydrogen …

Isotope effect on blob-statistics in gyrofluid simulations of scrape-off layer turbulence

OHH Meyer, A Kendl - Nuclear Fusion, 2017 - iopscience.iop.org
In this contribution we apply a recently established stochastic model for scrape-off layer
fluctuations to long time series obtained from gyrofluid simulations of fusion edge plasma …

Interchange transport in electron-positron plasmas with ion impurities

A Kendl - Physics of Plasmas, 2018 - pubs.aip.org
Interchange drive and cross-field transport of density filaments in quasi-neutral
inhomogeneously magnetized electron-positron plasmas is shown to be strongly reduced by …