M. Peret
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View article: Predictive turbulence-driven flux model of scrape-off layer widths across confinement regimes in tokamaks
Predictive turbulence-driven flux model of scrape-off layer widths across confinement regimes in tokamaks Open
Reliable scrape-off layer (SOL) profile decay lengths predictions are needed to design and operate future tokamaks. The present manuscript describes a new model based on turbulent transport that is able to predict SOL widths for both L-mod…
View article: Impact of magnetic ripple on neoclassical equilibrium in gyrokinetic simulations
Impact of magnetic ripple on neoclassical equilibrium in gyrokinetic simulations Open
The effect of magnetic field ripple on tokamak plasma without turbulence is studied numerically and augmented with a reduced analytical model that includes neoclassical processes in the presence of non-axisymmetric perturbation and stochas…
View article: Developing high performance RF heating scenarios on the WEST tokamak
Developing high performance RF heating scenarios on the WEST tokamak Open
High power experiments, up to 9.2 MW with LHCD and ICRH, have been carried out in the full tungsten tokamak WEST. Quasi non inductive discharges have been achieved allowing to extend the plasma duration to 53 s with stationary conditions i…
View article: Safety factor impact on the radial electric field in gyrokinetic simulations
Safety factor impact on the radial electric field in gyrokinetic simulations Open
International audience
View article: Interplay between magnetic braking and turbulent stress tensor regarding plasma flow
Interplay between magnetic braking and turbulent stress tensor regarding plasma flow Open
International audience
View article: Synergy of Turbulent Momentum Drive and Magnetic Braking
Synergy of Turbulent Momentum Drive and Magnetic Braking Open
In absence of external torque, plasma rotation in tokamaks results from a balance between collisional magnetic braking and turbulent drive. The outcome of this competition and cooperation is essential to determine the plasma flow. A reduce…
View article: Pushing the physics of edge transport barriers towards the wall: how do boundaryconditions impact confinement transitions in tokamaks?
Pushing the physics of edge transport barriers towards the wall: how do boundaryconditions impact confinement transitions in tokamaks? Open
This work deals with the understanding of transport barrier establishment in the edge of magnetically confined fusion plasmas. To that end, two main axis were explored. First, an experimental characterisation of the rotation profiles by Do…
View article: Developing high performance RF heating scenarios on the WEST tokamak
Developing high performance RF heating scenarios on the WEST tokamak Open
High power experiments, up to 9.2 MW with LHCD and ICRH, have been carried out in the full tungsten tokamak WEST. Quasi non inductive discharges have been achieved allowing to extend the plasma duration to 53s with stationary conditions in…
View article: Formation of the radial electric field profile in the WEST tokamak
Formation of the radial electric field profile in the WEST tokamak Open
Sheared flows are known to reduce turbulent transport by decreasing the correlation length and/or intensity of turbulent structures. The transport barrier that takes place at the edge during improved regimes such as H mode, corresponds to …
View article: A spectral model for interchange transport in tokamak scrape-off layers
A spectral model for interchange transport in tokamak scrape-off layers Open
The intermittent convection of plasma filaments, or blobs , is commonly considered to be responsible of the transport across flux surfaces in scrape-off layer (SOL) of fusion devices. Isolated filament models are generally derived from vor…
View article: Core tungsten transport in WEST long pulse L-mode plasmas
Core tungsten transport in WEST long pulse L-mode plasmas Open
International audience
View article: model of interchange turbulent transport: on the correlation between scrape off layer width and core confinement in tokamaks
model of interchange turbulent transport: on the correlation between scrape off layer width and core confinement in tokamaks Open
Spectral filament paradigm: self consistent prediction of turbulent spectra (, Φ) of flux driven 2D isothermal interchange turbulence Predicts macroscopic transport properties (flux, fluctuations) in scrape-off layer ( SOL width) but …
View article: A spectral filament model for turbulent transport and scrape off layer width in circular geometry
A spectral filament model for turbulent transport and scrape off layer width in circular geometry Open
Radial transport in scrape off layer is commonly attributed to the intermittent convection of plasma filaments. These filaments are observed in experiments, and commonly reproduced by turbulent simulations. These simulations are able to re…
View article: Ramping up RF power and increasing pulse length in the full tungsten environment of WEST
Ramping up RF power and increasing pulse length in the full tungsten environment of WEST Open
International audience
View article: Correlations between gaseous and liquid phase chemistries induced by cold atmospheric plasmas in a physiological buffer
Correlations between gaseous and liquid phase chemistries induced by cold atmospheric plasmas in a physiological buffer Open
Understanding the role of gaseous environment in plasma–liquid interactions is crucial for multiple applications of CAPs.