Publications associées à Ion temperature fluctuations in ELMy H-mode of the X3 EC-heated plasmas on TCV

Optimization of X-mode electron cyclotron current drive in high-electron-temperature plasma in the EAST tokamak

A discharge with electron temperature up to 14 keV has been achieved in EAST. Analysis of the electron cyclotron current drive (ECCD) efficiency at high electron temperature under EAST parameters is presented using C3PO/LUKE code. Simulation results show t ...

IOP Publishing Ltd2023

A model of non-Maxwellian electron distribution function for the analysis of ECE data in JET discharges

Javier García Hernández, Mikhail Maslov, Samuele Mazzi

Recent experiments performed in JET at high level of plasma heating, in preparation of, and during the DT campaign have shown significant discrepancies between electron temperature measurements by Thomson Scattering (TS) and Electron Cyclotron Emission (EC ...

E D P SCIENCES2023

Experimental and numerical investigations of electron transport enhancement by electron-cyclotron plasma-wave interaction in tokamaks

Stefano Coda, Laurent Villard, Laurie Porte, Joan Decker, Giovanni Di Giannatale, Aylwin Iantchenko, Jean Arthur Cazabonne

Energy transfer from electron-cyclotron (EC) waves to the plasma is being routinely used in tokamaks to heat and drive current through the electron channel. Technical applications such as magnetohydrodynamic mode mitigation require power deposition with a ...

IOP Publishing Ltd2023

Developments on actuator management, plasma state reconstruction, and control on ASDEX Upgrade

Olivier Sauter, Federico Alberto Alfredo Felici, Mengdi Kong, Simon Van Mulders, Bernhard Sieglin

In present day tokamaks, the role of the control research is to support the physics experiments and to prepare technologies for future devices such as ITER and DEMO. This paper presents the developments done under the MST1 program collaboration on ASDEX Up ...

ELSEVIER SCIENCE SA2021

Physics and applications of three-ion ICRF scenarios for fusion research

Henri Weisen, Javier García Hernández, Mikhail Maslov, Samuele Mazzi

This paper summarizes the physical principles behind the novel three-ion scenarios using radio frequency waves in the ion cyclotron range of frequencies (ICRF). We discuss how to transform mode conversion electron heating into a new flexible ICRF technique ...

AMER INST PHYSICS2021

Application of Thomson scattering to helicon plasma sources

Ivo Furno, Patrick Blanchard, Alan Howling, Yanis Andrebe, Rémy Jacquier, Riccardo Agnello, Alban Sublet

The possibility of performing electron density and temperature measurements in a high power helicon plasma is a crucial issue in the framework of the AWAKE (Advanced WAKefield Experiment) project, which demonstrates acceleration of particles using GeV m(-1 ...

2020

Effects of collisionality and T e /T i on fluctuations in positive and negative δ tokamak plasmas

Olivier Sauter, Ambrogio Fasoli, Stefano Coda, Stephan Brunner, Laurie Porte, Gabriele Merlo, Matteo Fontana, Ajay Chandrarajan Jayalekshmi

The effects of negative triangularity () on confinement and fluctuations in plasmas covering a large range of parameters were investigated on the tokamak à configuration variable (TCV). The conditions explored in this paper include discharges where neutral ...

2019

An improved hybrid electron model for global gyrokinetic simulations using the ORB5 PIC code

Laurent Villard, Stephan Brunner, Emmanuel Lanti, Noé Thomas Elie Ohana, Aaron Lewis Scheinberg

Gyrokinetic simulations are extensively used as a tool to describe various phenomena in magnetically confined plasmas. Among others, turbulent transport induced by drift-wave type instabilities such as Ion Temperature Gradient (ITG), Trapped Electron Mode ...

2017

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Ion temperature fluctuations in ELMy H-mode of the X3 EC-heated plasmas on TCV

Characterization of transversely confined electron beam-generated plasma using two-dimensional particle-in-cell simulations

Optimization of X-mode electron cyclotron current drive in high-electron-temperature plasma in the EAST tokamak

A model of non-Maxwellian electron distribution function for the analysis of ECE data in JET discharges

Experimental and numerical investigations of electron transport enhancement by electron-cyclotron plasma-wave interaction in tokamaks

Developments on actuator management, plasma state reconstruction, and control on ASDEX Upgrade

Physics and applications of three-ion ICRF scenarios for fusion research

Application of Thomson scattering to helicon plasma sources

Effects of collisionality and T e /T i on fluctuations in positive and negative δ tokamak plasmas

Neutral atom dynamics and plasma turbulence in the tokamak periphery

An improved hybrid electron model for global gyrokinetic simulations using the ORB5 PIC code

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Chattez avec Graph Search

Characterization of transversely confined electron beam-generated plasma using two-dimensional particle-in-cell simulations

Optimization of X-mode electron cyclotron current drive in high-electron-temperature plasma in the EAST tokamak

A model of non-Maxwellian electron distribution function for the analysis of ECE data in JET discharges

Application of Thomson scattering to helicon plasma sources

Experimental and numerical investigations of electron transport enhancement by electron-cyclotron plasma-wave interaction in tokamaks

Physics and applications of three-ion ICRF scenarios for fusion research

Developments on actuator management, plasma state reconstruction, and control on ASDEX Upgrade

An improved hybrid electron model for global gyrokinetic simulations using the ORB5 PIC code

Effects of collisionality and T e /T i on fluctuations in positive and negative δ tokamak plasmas

Neutral atom dynamics and plasma turbulence in the tokamak periphery