Publications related to Magnetic confinement fusion

DEMO physics challenges beyond ITER

Olivier Sauter, Emiliano Fable, Hartmut Zohm

For electricity producing tokamak fusion reactors like EU-DEMO, it is prudent to choose a plasma scenario close to the ITER baseline, where the largest amount of experimental evidence is available. Nevertheless, there are some aspects in which ITER and EU- ...

2020

Nitrogen-seeded divertor detachment in TCV L-mode plasmas

Basil Duval, Holger Reimerdes, Benoît Labit, Christian Gabriel Theiler, Cedric Kar-Wai Tsui, Kevin Henricus Annemarie Verhaegh, Roberto Maurizio, Hugo De Oliveira

Most of the detachment experiments done to date on the tokamak a configuration variable (TCV), both in standard and alternative divertor geometries, focused on L-mode integrated core density ramps. In view of extending these studies to high-power, high-con ...

2020

Experimental analysis of suprathermal electrons generated by electron cyclotron waves in tokamak plasmas

Dahye Choi

This thesis focuses on the physics of suprathermal electrons generated by electron cyclotron (EC) waves in tokamak plasmas, which play an important role in the physics of current drive and energetic particle-driven instabilities. The suprathermal electron ...

EPFL2020

X-point potential well formation in diverted tokamaks with unfavorable magnetic field direction

Basil Duval, Holger Reimerdes, Joaquim Loizu Cisquella, Marco Wischmeier, Mirko Wensing

Fluid simulations of the boundary of fusion plasmas predict the formation of an electric potential well in the vicinity of the X-point in detached divertor conditions with Bt in the unfavorable direction for H-mode access. This potential well arises when t ...

2020

An Algorithm for Toroidal Field Harmonics Computation in Arbitrary Magnetic Configurations

Luca Bottura, Enrico Felcini

Toroidal magnetic configurations are widely exploited in industry and scientific research, involving a vast spectrum of applications, such as thermonuclear fusion, particle detectors, SMES systems and medical devices. To properly design and analyse these s ...

2020

Experimental verification of X-point potential well formation in unfavorable magnetic field direction

Basil Duval, Holger Reimerdes, Christian Gabriel Theiler, Joaquim Loizu Cisquella, Sophie Danielle Angelica Gorno, Claudia Colandrea, Marco Wischmeier, Cedric Kar-Wai Tsui, Mirko Wensing, Hugo De Oliveira

Recent TCV experiments confirm the predicted formation of an electric potential well, below the magnetic X-point, in configurations with unfavorable

B_t

field direction (ion

\nabla B

drift away from the divertor), that substantially reshapes the typica ...

2020

Towards integrated control of tokamak plasmas: physics-based control of neoclassical tearing modes in the TCV tokamak

Mengdi Kong

Neoclassical tearing modes (NTMs), magnetic islands located at rational

q

surfaces, are an important class of resistive magnetohydrodynamics (MHD) instabilities in tokamak plasmas, with

q

the safety factor. NTMs are one of the main constraints of the a ...

EPFL2020

Runaway electron synchrotron radiation in a vertically translated plasma

Basil Duval, Joan Decker, Umar Sheikh, Artur Perek, Gergely Papp

Synchrotron radiation observed from runaway electrons (REs) in tokamaks depends upon the position and size of the RE beam, the RE energy and pitch distributions, as well as the location of the observer. We show experimental synchrotron images of a vertical ...

IOP PUBLISHING LTD2020

Results from the Alfven Eigenmode Active Diagnostic during the 2019-2020 JET deuterium campaign

Ambrogio Fasoli, Duccio Testa

This paper presents results of extensive analysis of mode excitation observed during the operation of the Alfven Eigenmode Active Diagnostic (AEAD) in the JET tokamak during the 2019-2020 deuterium campaign. Six of eight toroidally spaced antennas, each wi ...

2020

Current Center Line Integration in the Manufacturing Process of the ITER Toroidal Field Coils

The first ITER & x0027;s European Toroidal Field Coil (TFC) is going to be assembled in 2019. The TFC is composed mainly by the superconducting Winding Pack (WP - manufactured in Europe), and the Coil Cases (TFCC - manufactured in Japan), which provide str ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2020

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DEMO physics challenges beyond ITER

Nitrogen-seeded divertor detachment in TCV L-mode plasmas

Experimental analysis of suprathermal electrons generated by electron cyclotron waves in tokamak plasmas

X-point potential well formation in diverted tokamaks with unfavorable magnetic field direction

An Algorithm for Toroidal Field Harmonics Computation in Arbitrary Magnetic Configurations

Experimental verification of X-point potential well formation in unfavorable magnetic field direction

Towards integrated control of tokamak plasmas: physics-based control of neoclassical tearing modes in the TCV tokamak

Runaway electron synchrotron radiation in a vertically translated plasma

Results from the Alfven Eigenmode Active Diagnostic during the 2019-2020 JET deuterium campaign

Current Center Line Integration in the Manufacturing Process of the ITER Toroidal Field Coils

DEMO physics challenges beyond ITER

X-point potential well formation in diverted tokamaks with unfavorable magnetic field direction

Experimental analysis of suprathermal electrons generated by electron cyclotron waves in tokamak plasmas

An Algorithm for Toroidal Field Harmonics Computation in Arbitrary Magnetic Configurations

Nitrogen-seeded divertor detachment in TCV L-mode plasmas

Towards integrated control of tokamak plasmas: physics-based control of neoclassical tearing modes in the TCV tokamak

Results from the Alfven Eigenmode Active Diagnostic during the 2019-2020 JET deuterium campaign

Experimental verification of X-point potential well formation in unfavorable magnetic field direction

Runaway electron synchrotron radiation in a vertically translated plasma

Current Center Line Integration in the Manufacturing Process of the ITER Toroidal Field Coils