A drift-kinetic analytical model for scrape-off layer plasma dynamics at arbitrary collisionality
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Plasma Physics"
DOI: 10.1017/s002237781700085x
Abstract: A drift-kinetic model to describe the plasma dynamics in the scrape-off layer region of tokamak devices at arbitrary collisionality is derived. Our formulation is based on a gyroaveraged Lagrangian description of the charged particle motion,… read more here.
Keywords: drift kinetic; plasma; plasma dynamics; scrape layer ... See more keywords
A conservative scheme of drift kinetic electrons for gyrokinetic simulation of kinetic-MHD processes in toroidal plasmas
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.4995455
Abstract: A conservative scheme of drift kinetic electrons for gyrokinetic simulations of kinetic-magnetohydrodynamic processes in toroidal plasmas has been formulated and verified. Both vector potential and electron perturbed distribution function are decomposed into adiabatic part with… read more here.
Keywords: drift kinetic; kinetic electrons; scheme drift; electrons gyrokinetic ... See more keywords
Drift kinetic electrostatic simulations of the edge localized mode heat pulse
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Plasmas"
DOI: 10.1063/5.0230913
Abstract: In the present work, electrostatic drift kinetic simulations of parallel plasma transport within the tokamak scrape-off layer (SOL) are conducted using the COGENT code. The SOL configuration is represented in one-dimensional slab geometry, incorporating a… read more here.
Keywords: kinetic electrostatic; heat; simulations edge; drift kinetic ... See more keywords
A geometric Particle-In-Cell discretization of the drift-kinetic and fully kinetic Vlasov–Maxwell equations
Sign Up to like & getrecommendations! Published in 2025 at "Plasma Physics and Controlled Fusion"
DOI: 10.1088/1361-6587/adc832
Abstract: In this paper, we extend the geometric particle in cell framework on dual grids to a gauge-free drift-kinetic (DK) Vlasov–Maxwell model and its coupling with the fully kinetic (FK) model. We derive a discrete action… read more here.
Keywords: particle cell; kinetic vlasov; geometric particle; fully kinetic ... See more keywords
Drift kinetic effects on plasma response in high beta spherical tokamak experiments
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DOI: 10.1088/1741-4326/aa8e08
Abstract: High $$\beta$$ plasma response to the rotating n=1 external magnetic perturbations is numerically studied and compared with National Spherical Torus eXperiment (NSTX). The hybrid magnetohydrodynamic(MHD)-kinetic modeling shows the drift kinetic effects are important to resolve… read more here.
Keywords: drift kinetic; plasma; plasma response; kinetic effects ... See more keywords
Global modelling of tungsten impurity transport based on the drift-kinetic equation
Sign Up to like & getrecommendations! Published in 2019 at "Nuclear Fusion"
DOI: 10.1088/1741-4326/ab5462
Abstract: A global kinetic simulation model of collisional impurity transport is developed for evaluating the radial particle flux of tungsten impurity in the edge region of a tokamak plasma. Here, the plasma including the impurity and… read more here.
Keywords: drift kinetic; impurity transport; impurity; kinetic equation ... See more keywords