Davide Galassi

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Publications associées (177)

Numerical study of divertor detachment in TCV H-mode scenarios

Holger Reimerdes, Christian Gabriel Theiler, Davide Galassi, Filippo Bagnato, Sophie Danielle Angelica Gorno

The effect of divertor closure and nitrogen seeding on the detachment process has been studied by performing 2D numerical simulations of tokamak a configuration variable (TCV) H-mode divertor scenarios with the SOLEDGE3X-EIRENE edge plasma transport code. ...

Iop Publishing Ltd2023

Validation of edge turbulence codes against the TCV-X21 diverted L-mode reference case

Paolo Ricci, Holger Reimerdes, Christian Gabriel Theiler, Nicola Vianello, Davide Galassi, Cedric Kar-Wai Tsui, Hugo De Oliveira, Maurizio Giacomin, Sophie Danielle Angelica Gorno, Eric Serre

Self-consistent full-size turbulent-transport simulations of the divertor and scrape-off-layer (SOL) of existing tokamaks have recently become feasible. This enables the direct comparison of turbulence simulations against experimental measurements. In this ...

IOP Publishing Ltd2022

X-point and divertor filament dynamics from gas puff imaging on TCV

Basil Duval, Christian Gabriel Theiler, Olivier Claude Martin Février, Davide Galassi, Curdin Tobias Wüthrich, Nicola Offeddu

A new gas puff imaging diagnostic has been installed on the TCV tokamak, providing two-dimensional insights into scrape-off-layer (SOL) turbulence dynamics above, at and below the magnetic X-point. A detailed study in L-mode, attached, lower single-null di ...

IOP Publishing Ltd2022

Implementation of multi-component Zhdanov closure in SOLEDGE3X

Davide Galassi, Madhusudan Raghunathan, Eric Serre

The multi-component fluid closure derived by Zhdanov (2002 Transport Processes in Multicomponent Plasma (London: Taylor and Francis)) is implemented in the fluid code SOLEDGE3X-EIRENE to deal with arbitrary edge plasma composition. The closure assumes no d ...

2022

Validation of edge turbulence codes in a magnetic X-point scenario in TORPEX

Ambrogio Fasoli, Ivo Furno, Maurizio Giacomin, Paolo Ricci, Christian Gabriel Theiler, Marcelo Baquero Ruiz, Nicola Vianello, Davide Galassi, Hugo De Oliveira, Fabian Manke

American Institute of Physics (AIP)2022

Overview of the TCV tokamak experimental programme

Olivier Sauter, Ambrogio Fasoli, Basil Duval, Timothy Goodman, Jonathan Graves, Yves Martin, Jean-Marc Moret, Stefano Alberti, Ivo Furno, Duccio Testa

The tokamak a configuration variable (TCV) continues to leverage its unique shaping capabilities, flexible heating systems and modern control system to address critical issues in preparation for ITER and a fusion power plant. For the 2019-20 campaign its c ...

IOP Publishing Ltd2022

Overview of JET results for optimising ITER operation

Olivier Sauter, Ambrogio Fasoli, Jonathan Graves, Duccio Testa, Patrick Blanchard, Alessandro Pau, Federico Alberto Alfredo Felici, Cristian Sommariva, Umar Sheikh, Henri Weisen

The JET 2019-2020 scientific and technological programme exploited the results of years of concerted scientific and engineering work, including the ITER-like wall (ILW: Be wall and W divertor) installed in 2010, improved diagnostic capabilities now fully a ...

IOP Publishing Ltd2022

The GBS code for the self-consistent simulation of plasma turbulence and kinetic neutral dynamics in the tokamak boundary

Paolo Ricci, Emmanuel Lanti, Nicolas Richart, Gilles Fourestey, Louis Nicolas Stenger, Davide Mancini, Davide Galassi, Maurizio Giacomin, André Calado Coroado

A new version of GBS (Ricci et al. (2012) [27]; Halpern et al. J. Comput. Phys. 315 (2016) 388-408; Paruta et al. (2018) [11]) is described. GBS is a three-dimensional, fluxdriven, global, two-fluid turbulence code developed for the self-consistent simulat ...

2022

Cross-field and parallel dynamics of SOL filaments in TCV

Basil Duval, Christian Gabriel Theiler, Davide Galassi, Curdin Tobias Wüthrich, Nicola Offeddu

Using recently installed scrape-off layer diagnostics on the tokamak a configuration variable, we characterise the poloidal and parallel properties of turbulent filaments. We access both attached and detached divertor conditions across a wide range of core ...

IOP Publishing Ltd2022

Parallel convection and E × B drifts in the TCV snowflake divertor and their effects on target heat-fluxes

Basil Duval, Holger Reimerdes, Joaquim Loizu Cisquella, Roberto Maurizio, Davide Galassi, Cedric Kar-Wai Tsui, Mirko Wensing

Parallel convection and E × B drifts act together to redistribute heat between the strike-points mechanisms is enhanced near the secondary X-point and is shown to dominate over heat in the low field side snowflake minus (LFS SF−). The cumulative heat conve ...

IOP Publishing Ltd2021

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The GBS code for the self-consistent simulation of plasma turbulence and kinetic neutral dynamics in the tokamak boundary

Paolo Ricci, Emmanuel Lanti, Nicolas Richart, Gilles Fourestey, Louis Nicolas Stenger, Davide Mancini, Davide Galassi, Maurizio Giacomin, André Calado Coroado

2022