Publications associées à 13th EU–US Transport Task Force Workshop on transport in fusion plasmas

Generation of a plasma neutron source for Monte Carlo neutron transport calculations in the tokamak JET

Olivier Sauter, Ambrogio Fasoli, Basil Duval, Stefano Coda, Jonathan Graves, Yves Martin, Duccio Testa, Patrick Blanchard, Alessandro Pau, Cristian Sommariva, Henri Weisen, Richard Pitts, Yann Camenen, Jan Horacek, Javier García Hernández, Marco Wischmeier, Nicola Vianello, Mikhail Maslov, Federico Nespoli, Yao Zhou, David Pfefferlé, Davide Galassi, Antonio José Pereira de Figueiredo, Jonathan Marc Philippe Faustin, Liang Yao, Dalziel Joseph Wilson, Hamish William Patten, Samuel Lanthaler, Bernhard Sieglin, Otto Asunta

The connection between plasma physics and neutronics is crucial for the understanding of the operation and performance of modern and future tokamak devices. Neutrons are one of the primary carriers of information on the plasma state and represent the basis ...

2018

Pedestal Structure and Energy Confinement Studies on TCV

Olivier Sauter, Basil Duval, Patrick Blanchard, Benoît Labit, Christian Gabriel Theiler, Antoine Pierre Emmanuel Alexis Merle, Umar Sheikh, Cedric Kar-Wai Tsui

High external gas injection rates are foreseen for future devices to reduce divertor heat loads and this can influence pedestal stability. Fusion yield has been estimated to vary as strongly as

{T}_{e,{\rm{ped}}}^{2}

so an understanding of the underlying ...

2018

Impact of the plasma geometry on divertor power exhaust: experimental evidence from TCV and simulations with SolEdge2D and TOKAM3X

Holger Reimerdes, Christian Gabriel Theiler, Davide Galassi, Cedric Kar-Wai Tsui, Roberto Maurizio

A deep understanding of plasma transport at the edge of magnetically confined fusion plasmas is needed for the handling and control of heat loads on the machine first wall. Experimental observations collected on a number of tokamaks over the last three dec ...

2018

Self-consistent interaction of fast particles and ICRF waves in 3D applications of fusion plasma devices

Jonathan Marc Philippe Faustin

Tokamaks and stellarators are the most promising reactor concepts using the magnetic confinement to contain the plasma fuel. Reactors capable of sustaining deuterium-tritium (D-T) fusion reactions requires the confinement of a very high temperature plasma ...

EPFL2017

Heavy Impurity Confinement in Hybrid Operation Scenario Plasmas with a Rotating 1/1 Continuous Mode

Jonathan Graves, Wilfred Anthony Cooper, David Pfefferlé, Madhusudan Raghunathan

In future tokamaks like ITER with tungsten walls, it is imperative to control tungsten accumulation in the core of operational plasmas, especially since tungsten accumulation can lead to radiative collapse and disruption. We investigate the behaviour of tu ...

IOP Science2017

Flux-tube and global grid-based gyrokinetic simulations of plasma microturbulence and comparisons with experimental TCV measurements

Gabriele Merlo

In magnetic fusion devices, the radial transport of heat and particle largely exceeds predictions based on collisional processes. This is widely understood as a consequence of small-scale turbulence which results from the nonlinear behaviour of so-called m ...

EPFL2016

Experimental Validation of a Filament Transport Model in Turbulent Magnetized Plasmas

Nicola Vianello, Heinz Mueller

In a wide variety of natural and laboratory magnetized plasmas, filaments appear as a result of interchange instability. These convective structures substantially enhance transport in the direction perpendicular to the magnetic field. According to filament ...

Amer Physical Soc2015

Suprathermal ion transport in turbulent magnetized plasmas

Alexandre Dominique Bovet

Suprathermal ions, which have an energy greater than the quasi-Maxwellian background plasma temperature, are present in many laboratory and astrophysical plasmas. In fusion devices, they are generated by the fusion reactions and auxiliary heating. Controll ...

EPFL2015

Turbulence at the boundary of toroidal plasmas with open and closed magnetic flux surfaces

Fabio Avino

The control and confinement of fusion plasmas are currently limited by a lack of understanding of the physical mechanisms behind the evolution of the turbulent transport experienced by particles and energy. In-situ investigations of plasma turbulence in fu ...

EPFL2015

Study of plasma fluctuations in new closed flux-surface configurations of the TORPEX experiment

Ambrogio Fasoli, Ivo Furno, Paolo Ricci, Joaquim Loizu Cisquella, Fabio Avino, Sébastien Jolliet, Annamaria Mosetto

The TORoidal Plasma EXperiment (TORPEX) is a Simple Magnetized Torus (SMT) where open helical magnetic field lines are obtained from the superposition of a small vertical component on the main toroidal field. The SMT configuration features the main driving ...

2013

13th EU–US Transport Task Force Workshop on transport in fusion plasmas

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Generation of a plasma neutron source for Monte Carlo neutron transport calculations in the tokamak JET

Pedestal Structure and Energy Confinement Studies on TCV

Impact of the plasma geometry on divertor power exhaust: experimental evidence from TCV and simulations with SolEdge2D and TOKAM3X

Self-consistent interaction of fast particles and ICRF waves in 3D applications of fusion plasma devices

Heavy Impurity Confinement in Hybrid Operation Scenario Plasmas with a Rotating 1/1 Continuous Mode

Flux-tube and global grid-based gyrokinetic simulations of plasma microturbulence and comparisons with experimental TCV measurements

Experimental Validation of a Filament Transport Model in Turbulent Magnetized Plasmas

Suprathermal ion transport in turbulent magnetized plasmas

Turbulence at the boundary of toroidal plasmas with open and closed magnetic flux surfaces

Study of plasma fluctuations in new closed flux-surface configurations of the TORPEX experiment

Self-consistent interaction of fast particles and ICRF waves in 3D applications of fusion plasma devices

Pedestal Structure and Energy Confinement Studies on TCV

Generation of a plasma neutron source for Monte Carlo neutron transport calculations in the tokamak JET

Flux-tube and global grid-based gyrokinetic simulations of plasma microturbulence and comparisons with experimental TCV measurements

Experimental Validation of a Filament Transport Model in Turbulent Magnetized Plasmas

Impact of the plasma geometry on divertor power exhaust: experimental evidence from TCV and simulations with SolEdge2D and TOKAM3X

Turbulence at the boundary of toroidal plasmas with open and closed magnetic flux surfaces

Heavy Impurity Confinement in Hybrid Operation Scenario Plasmas with a Rotating 1/1 Continuous Mode

Study of plasma fluctuations in new closed flux-surface configurations of the TORPEX experiment

Suprathermal ion transport in turbulent magnetized plasmas