The need for an intense source of coherent, millimetre-wavelength radiation to heat a fusion plasma and control its instabilities represents a significant challenge in the development of the ITER experimental fusion reactor. This challenge may now have bee ...

2007

Transport analysis of multi-phase H-mode shot at TCV

Stefano Alberti, Yves Martin, Olivier Sauter, Laurie Porte, Emiliano Fable, Ji Hyun Kim

2007

TRANSPORT ANALYSIS OF MULTI-PHASE H-MODE SHOT AT TCV

Stefano Alberti, Yves Martin, Olivier Sauter, Laurie Porte, Emiliano Fable

2007

Ten Years of Experience in Integrated Control of the Multi-Megawatt

Stefano Alberti, Basil Duval, Damien Fasel, Timothy Goodman, Pierre-François Isoz, Pierre Lavanchy, Jonathan Bryan Lister, Blaise Marlétaz, Philippe Marmillod, Jean-Marc Moret, Jean-Philippe Hogge, Stefano Coda

2007

Current profile tailoring using localized electron cyclotron heating in highly elongated TCV plasmas

Gilles Arnoux, Patrick Blanchard, Stefano Alberti, Timothy Goodman, Antoine Pochelon, Olivier Sauter, Stefano Coda, Andrea Scarabosio, Laurie Porte, Yann Camenen

Radially localized electron cyclotron heating (ECH) at the 2nd harmonic (X2) is used to tailor the current profile through the modification of the temperature, and hence conductivity, profiles. The optimal conditions for current profile broadening are inve ...

IOP Publishing Ltd2007

Critical Issues Associated with the ITER ECH System

Stefano Alberti, René Chavan, Damien Fasel, Olivier Sauter, Costanza Zucca, Ioannis Pagonakis

2007

Analysis of Iterative Phase Retrieval Approach to Optimize Amplitude Measurement Parameters

Stefano Alberti, Jean-Philippe Hogge

2007

Studies of Electron Transport and Current Diffusion in Switched ECCD experiments on TCV

Stefano Alberti, Roland Behn, Timothy Goodman, Olivier Sauter, Emiliano Fable, Costanza Zucca

The aim of the present work is to provide a better insight on the magnetic shear profile modification in the Switched ECCD experiments. Modelling of the plasma current density is carried on by the ASTRA transport code employed in both predictive and interp ...

2006

Third harmonic EC heating of ELMy H-mode in TCV

Stefano Alberti, Yves Martin, Laurie Porte

Ohmic H-mode discharges in the Tokamak Configuration Variable (TCV) have recently been heated for the first time by electron cyclotron (EC) waves at the 3rd harmonic (X3) at full power. New edge localized mode (ELM) behaviour has been found, with larger am ...

2006

Plasma Dynamics with Second and Third Harmonic ECRH on TCV Tokamak

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

2006

The effect of ECRH on the electron velocity distribution function

Gilles Arnoux, Patrick Blanchard, Stefano Alberti, Ambrogio Fasoli, Stefano Coda, Igor Klimanov

Electron cyclotron resonance heating (ECRH) is a mature technology that has progressed constantly over a period of forty years, particularly as a tool in magnetic confinement fusion. As with other heating methods, this technique has seen a steady increase ...

Institute of Physics2006

Shear modulation experiments with ECCD on TCV

Stefano Alberti, Roland Behn, Timothy Goodman, Petri Nikkola

Anomalous electron transport is determined by turbulence, which in turn is affected by magnetic shear. A novel application of electron cyclotron current drive (ECCD), aiming at localized shear modulation, has been applied on the TCV tokamak for experiments ...

IOP Publishing Ltd2006

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