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Stefano Coda

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Publications associées (367)

The effect of MHD noise on the vertical observer in tokamaks

Yves Martin, Jean-Marc Moret, Olivier Sauter, Stefano Coda

2008

Snowflake Divertor Plasmas on TCV

Basil Duval, Jean-Marc Moret, Richard Pitts, Antoine Pochelon, Olivier Sauter, Ivo Furno, Stefano Coda, Costanza Zucca, Francesco Piras, Federico Alberto Alfredo Felici, Attila Bencze

Starting from a standard single null X-point configuration, a second order null divertor (snowflake (SF)) has been successfully created on the Tokamak à Configuration Variable (TCV) tokamak. The magnetic properties of this innovative configuration have bee ...

PPCF2008

Diagnostic Techniques for Measuring Suprathermal Electron Dynamics in Plasmas

Stefano Coda

Plasmas, both in the laboratory and in space, are often not in thermodynamic equilibrium, and the plasma electron distribution function is accordingly non-Maxwellian. Suprathermal electron tails can be generated by external drives, such as rf waves and ele ...

American Institute of Physics2008

Experiments with real-time controlled ECW on the TCV Tokamak

Gilles Arnoux, Stefano Alberti, Basil Duval, Timothy Goodman, Jean-Marc Moret, Stefano Coda, Laurie Porte, Yann Camenen, James Paley

2007

The physics of electron internal transport barriers in the TCV tokamak

Roland Behn, Timothy Goodman, Olivier Sauter, Stefano Coda, Emiliano Fable, Costanza Zucca, Alessandro Marinoni

Electron internal transport barriers (elTBs) are generated in the TCV tokamak with strong electron cyclotron resonance heating in a variety of conditions, ranging from steady-state fully noninductive scenarios to stationary discharges with a finite inducti ...

International Atomic Energy Agency2007

NTM prevention by ICCD control of fast-ion-stabilised sawteeth

Stefano Coda, Jonathan Graves

2007

The impact of triangularity on plasma confinement: TCV experiments vs non-linear gyrokinetic modelling

Stephan Brunner, Antoine Pochelon, Laurent Villard, Stefano Coda, Martin Jucker, Yann Camenen, Jonathan Graves, Alessandro Marinoni, Xavier Lapillonne

2007

Plasma dynamics with second and third-harmonic ECRH and access to quasi-stationary ELM-free H-mode on TCV

Gilles Arnoux, Patrick Blanchard, Stefano Alberti, Ambrogio Fasoli, Timothy Goodman, Yves Martin, Henri Weisen, Stefano Coda, Andrea Scarabosio, Laurie Porte, Alessandro Bortolon, Mikhail Maslov

Intense electron cyclotron resonance heating (ECRH) and electron cyclotron current drive (ECCD) are employed on the Tokamak a Configuration Variable (TCV) both in second- and third-harmonic X-mode (X2 and X3). The plasma behaviour under such conditions is ...

IOP Publishing Ltd2007

CONTROL OF THE OSCILLATORY REGIME BY LOCAL CURRENT PERTURBATION IN ECCD PLASMAS ON TCV

Timothy Goodman, Xavier Llobet, Philippe Marmillod, Olivier Sauter, Henri Weisen, Stefano Coda

2007

Control of the oscillatrory regime by local current perturbation in ECCD plasmas on TCV

Timothy Goodman, Xavier Llobet, Philippe Marmillod, Olivier Sauter, Henri Weisen, Stefano Coda

2007

Modification of sawtooth oscillations with ICRF waves in the JET tokamak

Stefano Coda, Jonathan Graves

2007

A Vertical ECE Diagnostic for TCV

Stefano Alberti, René Chavan, Stefano Coda, Laurie Porte, Robert Bertizzolo

2007

Electron Bernstein wave heating of over-dense H-mode plasmas in the TCV tokamak via O-X-B double mode conversion

Basil Duval, Timothy Goodman, Yves Martin, Jean-Marc Moret, Antoine Pochelon, Stefano Coda, Igor Klimanov, Laurie Porte, Loïc Curchod, Yann Camenen

This paper reports on the first demonstration of electron Bernsteinwave heating (EBWH) by double mode conversion from ordinary (O-) to Bernstein (B-) via the extraordinary (X-) mode in an over-dense tokamak plasma, using low field side launch, achieved in ...

International Atomic Energy Agency2007

Neoclassical tearing mode stability at low rotation and implications for ITER

Stefano Coda

2007

The impact of triangularity on plasma confinement: TCV experiments vs non-linear gyrokinetic modelling

Stephan Brunner, Antoine Pochelon, Laurent Villard, Stefano Coda, Martin Jucker, Yann Camenen, Jonathan Graves, Alessandro Marinoni, Xavier Lapillonne

2007

Physics insight from plasma shaping experiments in the TCV tokamak

Stephan Brunner, Stefano Alberti, Roland Behn, Basil Duval, Ambrogio Fasoli, Timothy Goodman, Antoine Pochelon, Ivo Furno, Holger Reimerdes, Stefano Coda, Alberto Bottino, Andrea Scarabosio, Yann Camenen, Jonathan Graves, Alessandro Bortolon, Alessandro Marinoni

2007

Optimising Central Electron Bernstein Wave Deposition via O-X-B Double Mode Conversion in the TCV Tokamak

Roland Behn, Timothy Goodman, Antoine Pochelon, Stefano Coda, Laurie Porte, Loïc Curchod, Ilya Pavlov

2007

Real time control of the plasma current and elongation in tokamaks using ECRH actuators

Stefano Coda, James Paley

Real time control of the plasma elongation and plasma current using electron cyclotron resonance heating (ECRH) actuators has been demonstrated on TCV. Tokamak plasmas may be elongated by off-axis ECRH. The associated flattening of the current density prof ...

Plasma Phys. Control. Fusion2007

The Effect of MHD Noise on the Vertical Observer in Tokamaks

Yves Martin, Jean-Marc Moret, Olivier Sauter, Stefano Coda

2007

Steady-state, fully bootstrap-sustained discharges in the TCV tokamak

Timothy Goodman, Olivier Sauter, Stefano Coda

2007

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