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Stefano Coda

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Publications associées (367)

TCV divertor upgrade for alternative magnetic configurations

Patrick Blanchard, Stefano Alberti, René Chavan, Basil Duval, Ambrogio Fasoli, Yves Martin, Jean-Marc Moret, Holger Reimerdes, Stefano Coda, Pierluigi Bruzzone, Marco Wischmeier, Duccio Testa, Benoît Labit, Christian Gabriel Theiler, Matthieu Toussaint, Davide Uglietti, Umar Sheikh, Nicola Vianello

The Swiss Plasma Center (SPC) is planning a divertor upgrade for the TCV tokamak. The upgrade aims at extending the research of conventional and alternative divertor configurations to operational scenarios and divertor regimes of greater relevance for a fu ...

Elsevier2017

A novel plasma position and shape controller for advanced configuration development on the TCV tokamak

Jean-Marc Moret, Stefano Coda, Federico Alberto Alfredo Felici, Himank Anand, Cristian Galperti

A novel plasma position and shape controller has been developed for the highly flexible shaping poloidal-field coil set of the TCV tokamak, to aid in the precise control of advanced configurations such as negative-triangularity plasmas, snowflake and super ...

IOP Publishing Ltd2017

Physics and operation oriented activities in preparation of the JT-60SA tokamak exploitation

Timothy Goodman, Stefano Coda, Marco Wischmeier, Javier García Hernández, Leonardo Pigatto, Kenji Tanaka

The JT-60SA tokamak, being built under the Broader Approach agreement jointly by Europe and Japan, is due to start operation in 2020 and is expected to give substantial contributions to both ITER and DEMO scenario optimisation. A broad set of preparation a ...

IOP Publishing Ltd2017

Neutral beam heating on the TCV tokamak

René Chavan, Basil Duval, Damien Fasel, Ambrogio Fasoli, Pierre Lavanchy, Xavier Llobet, Blaise Marlétaz, Philippe Marmillod, Yves Martin, Albert Perez, Olivier Sauter, Stefano Coda, Ugo Siravo, Alexander Karpushov, Frédéric Dolizy, Matthieu Toussaint, Antoine Pierre Emmanuel Alexis Merle

2017

Electron cyclotron stray radiation detection and machine protection system proposal for JT-60SA

Timothy Goodman, Stefano Coda

2017

Beam duct for the 1 MW neutral beam heating injector on TCV

Basil Duval, Stefano Coda, Ugo Siravo, Alexander Karpushov, Jérémie Dubray, Frédéric Dolizy, Matthieu Toussaint

2017

Overview of the TCV tokamak program: scientific progress and facility upgrades

Patrick Blanchard, Stefano Alberti, Basil Duval, Ambrogio Fasoli, Timothy Goodman, Xavier Llobet, Yves Martin, Jean-Marc Moret, Olivier Sauter, Minh Quang Tran, Henri Weisen, Ivo Furno, Holger Reimerdes, Jean-Philippe Hogge, Stefano Coda, Christian Schlatter, Marco Wischmeier, Jan Horacek, Alexander Karpushov, Laurie Porte, Yanis Andrebe, Yann Camenen, Jonathan Graves, Duccio Testa, Benoît Labit, Rémy Jacquier, Paolo Ricci, Christian Gabriel Theiler, Federico Alberto Alfredo Felici, Fabio Riva, Wouter Vijvers, Josef Kamleitner, Hoang Bao Le, Zhouji Huang, Himank Anand, Falk Hans Braunmüller, Joyeeta Sinha, Claudio Marini, Antoine Pierre Emmanuel Alexis Merle, Federico Nespoli, Oulfa Chellaï, , , , , , , , , , , , , , ,

Hierarchical Model Predictive Control in Fusion Reactors

Jean-Marc Moret, Stefano Coda, Hoang Bao Le

Nuclear fusion still has to pass several milestones on its way to successful energy production, one of them being successful plasma stabilization. The present article presents an innovative control implementation related to plasma control for the generatio ...

Ieee2016

Real Time Hybrid Model Predictive Control for the Current Profile of the Tokamak a Configuration Variable (TCV)

Jean-Marc Moret, Stefano Coda, Hoang Bao Le

Plasma stability is one of the obstacles in the path to the successful operation of fusion devices. Numerical control-oriented codes as it is the case of the widely accepted RZIp may be used within Tokamak simulations. The novelty of this article relies in ...

2016

Design of tangential viewing phase contrast imaging for turbulence measurements in JT-60SA

Stefano Coda, Kenji Tanaka

A tangential viewing phase contrast imaging system is being designed for the JT-60SA tokamak to investigate microturbulence. In order to obtain localized information on the turbulence, a spatial-filtering technique is applied, based on magnetic shearing. T ...

Amer Inst Physics2016

Recent ASDEX Upgrade research in support of ITER and DEMO

Basil Duval, Timothy Goodman, Olivier Sauter, Stefano Coda, Alberto Bottino, Marco Wischmeier, Andrea Scarabosio, Hartmut Zohm, Laurie Porte, Yann Camenen, Thomas Binderup Jensen, Emiliano Fable, Federico Alberto Alfredo Felici, Dávid Wágner, Doohyun Kim, Heinz Mueller, Emanuele Poli, Nicola Vianello, Giovanni Tardini, Donghyun Kim, Alessandro Pau, Otto Asunta, Haomin Sun, Xiao Wang, Gergely Papp, Bernhard Sieglin

Recent experiments on the ASDEX Upgrade tokamak aim at improving the physics base for ITER and DEMO to aid the machine design and prepare efficient operation. Type I edge localized mode (ELM) mitigation using resonant magnetic perturbations (RMPs) has been ...

Iop Publishing Ltd2015

Tokamak equilibrium reconstruction code LIUQE and its real time implementation

Basil Duval, Jean-Marc Moret, Holger Reimerdes, Stefano Coda, Federico Alberto Alfredo Felici, Hoang Bao Le

Equilibrium reconstruction consists in identifying, from experimental measurements, a distribution of the plasma current density that satisfies the pressure balance constraint. The LIUQE code adopts a computationally efficient method to solve this problem, ...

Elsevier2015

Selected highlights of ECH/ECCD physics studies in the TCV tokamak

Basil Duval, Timothy Goodman, Olivier Sauter, Stefano Coda, Federico Alberto Alfredo Felici, Doohyun Kim, Joan Decker, Donghyun Kim

The Tokamak a Configuration Variable, TCV, has used Electron Cyclotron Heating and Current Drive as its only auxiliary heating system for nearly two decades. In addition to basic plasma heating and current profiling, ECH and ECCD under either feedforward o ...

EDP Sciences2015

Suprathermal electron dynamics and MHD instabilities in a tokamak

Stefano Coda, Jonathan Graves, Josef Kamleitner, Joan Decker

The dynamics of suprathermal electrons in the presence of magnetohydrodynamics (MHD) activity and the excitation of MHD modes by suprathermal electrons are studied experimentally to improve the understanding of the interaction of fast particles with MHD in ...

2015

The Science Program of the TCV Tokamak: Exploring Fusion Reactor and Power Plant Concepts

Stefano Coda

TCV is acquiring a new 1 MW neutral beam and 2 MW additional third-harmonic electron cyclotron resonance heating (ECRH) to expand its operational range. Its existing shaping and ECRH launching versatility was amply exploited in an eclectic 2013 campaign. A ...

IOP Publishing Ltd2015

Experimental turbulence studies for gyro-kinetic code validation using advanced microwave diagnostics

Ambrogio Fasoli, Stefano Coda, Laurie Porte, Zhouji Huang

For a comprehensive comparison with theoretical models and advanced numerical turbulence simulations, a large spectrum of fluctuation parameters was measured on the devices ASDEX Upgrade, TCV, and Tore-Supra. Radial profiles of scale-resolved turbulence le ...

IOP Publishing Ltd2015

High density experiments in TCV ohmically heated and L-mode plasmas

Roland Behn, Basil Duval, Timothy Goodman, Antoine Pochelon, Olivier Sauter, Stefano Coda, Alexander Karpushov, Laurie Porte, Benoît Labit

Recent experiments have been performed on the Tokamak a configuration variable (TCV) to investigate the confinement properties of high density plasmas and the mechanism behind the density limit. In a limiter configuration with plasma elongation kappa = 1.3 ...

Iop Publishing Ltd2015

Hard X-ray tomographic spectroscopy in TCV

Philippe Marmillod, Stefano Coda, Silvano Gnesin, Josef Kamleitner

2015

Hard X-ray tomographic spectroscopy in TCV

Philippe Marmillod, Stefano Coda, Silvano Gnesin, Josef Kamleitner

2015

Distributed digital real-time control system for TCV tokamak

Basil Duval, Damien Fasel, Philippe Marmillod, Jean-Marc Moret, Olivier Sauter, Stefano Coda, James Paley, Federico Alberto Alfredo Felici, Hoang Bao Le

A new digital feedback control system (named the SCD "Systeme de Controle Distribue") has been developed, integrated and used successfully to control TCV (Tokamak a Configuration Variable) plasmas. The system is designed to be modular, distributed, and sca ...

Elsevier Science Sa2014

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IOP Publishing Ltd2017