Comprehensive Screening of Plasma-Facing Materials for Nuclear Fusion

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Efficiency is a key factor for high-power gyrotrons, particularly in future fusion power plants, where a large number of gyrotron units will be required for plasma heating. A single-stage depressed collector enhances efficiency from approximately 35% to 50 ...

Edge Localised Modes (ELMs) induced fast-ion losses have been characterised in the energy, E, and pitch, λ = v ∥ / v , space using a unique Fast Ion Loss Detector (FILD) on the tokamak à configuration variable. The FILD is equipped with a 128 Avalanche Pho ...

The heat flux mitigation during the thermal quench (TQ) by the shattered pellet injection (SPI) is one of the major elements of disruption mitigation strategy for ITER. It's efficiency greatly depends on the SPI and the target plasma parameters, and is ult ...

We present a convergence study of the gyromoment (GM) approach, which is based on projecting the gyrokinetic distribution function onto a Hermite–Laguerre polynomial basis, focused on the cyclone base case (CBC) (Lin et al., Phys. Rev. Lett., vol. 83, no. ...

Collisionality is one of the key parameters in determining turbulent transport in the plasma edge, regulating phenomena such as 'shoulder formation', separation of scale lengths in the scrape-off layer (SOL), turbulence damping and zonal flow dynamics. Und ...

We report in the present article on the successful observation using noise analysis of the lateral oscillation of one fuel rod by +/- 2.5 mm around nominal at 0.1 Hz frequency, using an mm(3) miniature neutron scintillator at the rod level, and a BGO gamma ...

The goal of this thesis is to explore the "neglected" third dimension of layered materials, by studying the interlayer charge dynamics through dc conductivity, optical spectroscopy and ab-initio calculations. This project was designed to respond to the gro ...

Comprehensive Screening of Plasma-Facing Materials for Nuclear Fusion

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Effects of reflected electrons on the efficiency of high-power gyrotrons

First measurements of velocity-space resolved intra-ELM fast-ion losses on the TCV tokamak

Plasmoid drift and first wall heat deposition during ITER H-mode dual-SPIs in JOREK simulations

Gyrokinetic moment-based simulations of the Dimits shift

Impact of collisionality on turbulence in the edge of tokamak plasma using 3D global simulations

Local and high distance neutron and gamma measurements of fuel rods oscillation experiments

Electrons leave the flatland: out-of-plane charge dynamics in layered materials