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Francisco Sanchez

Cette personne n’est plus à l’EPFL

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Publications associées (49)

Design concepts for the Cherenkov Telescope Array CTA: an advanced facility for ground-based high-energy gamma-ray astronomy

Pablo Roberto Ristori, Christophe Bauer, Francisco Sanchez, Céline Tchernin, Mathieu Ribordy, Steve Couturier, Thomas Günther Bretz, Etienne Antoine Julien Moulin, Bruno Garcia

Ground-based gamma-ray astronomy has had a major breakthrough with the impressive results obtained using systems of imaging atmospheric Cherenkov telescopes. Ground-based gamma-ray astronomy has a huge potential in astrophysics, particle physics and cosmol ...

2011

Assessment of the ITER High-Frequency Magnetic Diagnostic Set

Thomas Maeder, René Chavan, Jonathan Bryan Lister, Jean-Marc Moret, Albert Perez, Gilbert Tonetti, Duccio Testa, Francisco Sanchez, Jérôme Guterl, Matthieu Toussaint

The ITER high-frequency (HF) magnetic diagnostic system has to provide essential measurements of MHD instabilities with |deltaBmeas/BPOL|~1e-4 (~1G) for frequencies up to 2MHz to resolve toroidal mode numbers (n) in the range |n|=10 to |n|=50. A review of ...

2011

Progress on the ITER H&D EC Upper Launcher Steering-Mirror Control System

René Chavan, Timothy Goodman, Jean-Daniel Landis, Robert Bertizzolo, Francisco Sanchez, Frédéric Dolizy, Federico Alberto Alfredo Felici

The ITER Heating and Current Drive Upper Launcher (H&CD EC UL) uses a pneumomechanical steering-mirror assembly (SMA) to steer the RF beams for their deposition in the appropriate location in the plasma to control magnetohydrodynamic activity (neoclassical ...

Institute of Electrical and Electronics Engineers2010

The Magnetic Diagnostic Set for ITER

Thomas Maeder, René Chavan, Jonathan Bryan Lister, Jean-Marc Moret, Albert Perez, Gilbert Tonetti, Yannick Sébastien Fournier, Duccio Testa, Francisco Sanchez, Benoît Schaller, Jérôme Guterl, Matthieu Toussaint

This paper presents the multiple set of requirements for the ITER magnetic diagnostic systems and the current status of the various R&D activities performed by the EU partners. ...

2010

The Magnetic Diagnostic Set for ITER

Thomas Maeder, René Chavan, Jonathan Bryan Lister, Jean-Marc Moret, Albert Perez, Gilbert Tonetti, Duccio Testa, Francisco Sanchez, Jérôme Guterl, Matthieu Toussaint

2010

Design status of the ITER ECRH upper launcher mm-wave system

René Chavan, Jean-Daniel Landis, Robert Bertizzolo, Francisco Sanchez, Frédéric Dolizy, Federico Alberto Alfredo Felici

The purpose of the ITER electron cyclotron resonance heating (ECRH) upper launcher (UL), or antennae will be to provide localised current drive by accurately directing mm-wave beams up to 2MW, out of the four allocated upper port plugs, at chosen rational ...

Elsevier2009

Progress on the ITER ECRH upper launcher steering mirror identification and control

René Chavan, Jean-Daniel Landis, Robert Bertizzolo, Francisco Sanchez, Frédéric Dolizy, Federico Alberto Alfredo Felici

The main objective of the ITER ECRH upper launcher (UL) is to control magnetohydrodynamic activity, in particular neoclassical tearing modes (NTMs), by driving several MW of EC Current near the q = 1, 3/2, 2 flux surfaces, where NTMs are expected to occur. ...

Elsevier2009

Progress on the ITER Electron Cyclotron Heating and Current Drive Upper Launcher Steering Mirror Control System

René Chavan, Timothy Goodman, Jean-Daniel Landis, Robert Bertizzolo, Francisco Sanchez, Frédéric Dolizy, Federico Alberto Alfredo Felici

The ITER ECRH upper launcher (UL) uses a steering mechanism assembly (SMA) to steer the beams in the appropriate location for controlling magnetohydrodynamic (MILD) activity in the plasma (NTMs and sawtooth oscillations). ...

IEEE2009

Progress on the design and manufacturing of the mirrors for the ITER Electron Cyclotron Heating and Current Drive upper launcher

René Chavan, Jean-Daniel Landis, Robert Bertizzolo, Francisco Sanchez

Four of the 16 ITER upper port plugs will be devoted to electron cyclotron resonance heating (ECRH) in order to control the magneto-hydrodynamic (MHD) instabilities. ...

IEEE2009

Overview of the ITER EC upper launcher

René Chavan, Olivier Sauter, Joseph Duron, Robert Bertizzolo, Francisco Sanchez, Frédéric Dolizy, Costanza Zucca

IOP Publishing Ltd2008

Critical design issues of the ITER ECH front steering upper launcher

René Chavan, Joseph Duron, Jean-Daniel Landis, Robert Bertizzolo, Francisco Sanchez, Frédéric Dolizy

2008

Sheath heat transmission factors on TCV

Richard Pitts, Jan Horacek, Francisco Sanchez, János Márki

Despite its importance in determining the calculated surface power flux predicted, for example, by scrape-off layer simulation codes, the sheath heat transmission factor, gamma remains a quantity whose theoretically predicted value has rarely been tested e ...

2007

Design Status of the ITER Upper Port Launcher

René Chavan, Joseph Duron, Jean-Daniel Landis, Robert Bertizzolo, Francisco Sanchez, Frédéric Dolizy, Emanuele Poli

2007

Design of the critical components in the ITER ECH upper launcher steering mechanism

René Chavan, Jean-Daniel Landis, Robert Bertizzolo, Francisco Sanchez

2007

Design and material selection for a pressure controlled bellows actuator for the angular positioning of the steering mirror in the ITER ECRH upper port plug

René Chavan, Jean-Daniel Landis, Robert Bertizzolo, Francisco Sanchez

2007

Design Status of the ITER Upper Port Launcher

René Chavan, Olivier Sauter, Joseph Duron, Jean-Daniel Landis, Robert Bertizzolo, Francisco Sanchez, Frédéric Dolizy, Emanuele Poli

2007

Design status of the ITER ECH upper launcher steering mirror mechanism

René Chavan, Jean-Daniel Landis, Robert Bertizzolo, Francisco Sanchez

The ITER ECRH upper port antenna (or launcher) will be used to drive current locally for stabilising the neoclassical tearing mode (NTM)) by depositing mm-wave power inside of the island which forms on the q=3/2 or 2 rational magnetic flux surfaces and con ...

2007

Design status of ITER ECH upper launcher mirrors

René Chavan, Joseph Duron, Jean-Daniel Landis, Francisco Sanchez

The ITER ECH upper launcher is devoted to directing up to 8 2NM beams per port plug over half of the plasma cross section. A focusing mirror is used to achieve a very narrow deposition profile to stabilize MHD activity such as the neoclassical tearing mode ...

2007

mm-wave Optical System of the ITER Upper Port EC Launcher

René Chavan, Jean-Daniel Landis, Robert Bertizzolo, Francisco Sanchez, Frédéric Dolizy, Emanuele Poli

2007

The ITER ECH FS Launcher design for an optimized Physics Performance

René Chavan, Olivier Sauter, Jean-Daniel Landis, Hartmut Zohm, Robert Bertizzolo, Francisco Sanchez, Frédéric Dolizy, Emanuele Poli

2006

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