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Paolo Bosshard

Publications associées (14)

Upgrade of the diagnostic neutral beam injector for the TCV tokamak

Basil Duval, Alexander Karpushov, Henri Weisen, Albert Perez, Paolo Bosshard

A diagnostic neutral beam injector (DNBI) [CRPP report LRP 710/01, CRPP-EPFL, 200 1; EPS Conf. Comr. Fusion Plasma Phys., 25A (2001) 365] has been installed on tokamak A configuration variable (TCV) [Plasma Phys. Control Fusion, 36 (1994) 13277; Plasma Phy ...
2003

An overview of results from the TCV tokamak

Olivier Sauter, Ambrogio Fasoli, Basil Duval, Stefano Coda, Timothy Goodman, Yves Martin, Jean-Marc Moret, Stefano Alberti, Ivo Furno, Minh Quang Tran, Patrick Blanchard, Holger Reimerdes, Jean-Philippe Hogge, René Chavan, Laurie Porte, Alexander Karpushov, Damien Fasel, Xavier Llobet, Yanis Andrebe, Pierre Lavanchy, Ugo Siravo, Pierre Etienne, Henri Weisen, Jonathan Bryan Lister, Richard Pitts, Antoine Pochelon, Yann Camenen, Kurt Appert, Jan Horacek, Marco Wischmeier, Philippe Marmillod, Gilbert Tonetti, Albert Perez, Andrea Scarabosio, Gilles Arnoux, Blaise Marlétaz, Pierre-François Isoz, Igor Klimanov, Jean-Claude Magnin, Andrei Martynov, Petri Nikkola, Adriano Manini, Paolo Bosshard, Jean-Yves Favez, Edgar Scavino

The Tokamak Configuration Variable (TCV) tokamak (R = 0.88 m, a < 0.25 m, B < 1.54 T) programme is based on flexible plasma shaping and heating for studies of confinement, transport, control and power exhaust. Recent advances in fully sustained off-axis el ...
2003

Recent results from the electron cyclotron heated plasmas in Tokamak à Configuration Variable (TCV)

Olivier Sauter, Ambrogio Fasoli, Basil Duval, Stefano Coda, Timothy Goodman, Yves Martin, Jean-Marc Moret, Stefano Alberti, Ivo Furno, Minh Quang Tran, Patrick Blanchard, Holger Reimerdes, Jean-Philippe Hogge, René Chavan, Laurie Porte, Alexander Karpushov, Damien Fasel, Xavier Llobet, Yanis Andrebe, Pierre Lavanchy, Ugo Siravo, Pierre Etienne, Henri Weisen, Jonathan Bryan Lister, Richard Pitts, Antoine Pochelon, Yann Camenen, Kurt Appert, Jan Horacek, Roland Behn, Marco Wischmeier, Philippe Marmillod, Gilbert Tonetti, Albert Perez, Andrea Scarabosio, Gilles Arnoux, Blaise Marlétaz, Pierre-François Isoz, Igor Klimanov, Jean-Claude Magnin, Andrei Martynov, Petri Nikkola, Adriano Manini, Paolo Bosshard, Jean-Yves Favez, Edgar Scavino

The recent results from the electron cyclotron heated plasmas in Tokamak a configuration Variable (TCV) was discussed. Results on H-mode and highly elongated plasmas using the newly completed third harmonic (X3) system and achieving up to 100% absorption w ...
2003

Accessibility and properties of ELMy H-mode and ITB plasmas in TCV

Olivier Sauter, Ambrogio Fasoli, Basil Duval, Stefano Coda, Timothy Goodman, Yves Martin, Laurent Villard, Jean-Marc Moret, Stefano Alberti, Minh Quang Tran, Patrick Blanchard, Jean-Philippe Hogge, René Chavan, Laurie Porte, Alexander Karpushov, Damien Fasel, Xavier Llobet, Yanis Andrebe, Ugo Siravo, Henri Weisen, Jonathan Bryan Lister, Richard Pitts, Antoine Pochelon, Yann Camenen, Kurt Appert, Jan Horacek, Roland Behn, Marco Wischmeier, Alberto Bottino, Philippe Marmillod, Gilbert Tonetti, Albert Perez, Andrea Scarabosio, Gilles Arnoux, Blaise Marlétaz, Pierre-François Isoz, Igor Klimanov, Andrei Martynov, Petri Nikkola, Paolo Bosshard, Jean-Yves Favez, Edgar Scavino

This paper presents experimental results on the accessibility and the properties of plasmas with improved confinement in TCV. First, the H-mode threshold power is measured in Ohmic plasmas. Above an Ohmic threshold density, the threshold power increases wi ...
2003

Recent results from the electron cyclotron heated plasmas in Tokamak à Configuration Variable (TCV)

Olivier Sauter, Ambrogio Fasoli, Basil Duval, Stefano Coda, Timothy Goodman, Yves Martin, Jean-Marc Moret, Stefano Alberti, Ivo Furno, Minh Quang Tran, Patrick Blanchard, Holger Reimerdes, Jean-Philippe Hogge, René Chavan, Laurie Porte, Alexander Karpushov, Damien Fasel, Xavier Llobet, Yanis Andrebe, Pierre Lavanchy, Ugo Siravo, Pierre Etienne, Henri Weisen, Jonathan Bryan Lister, Richard Pitts, Antoine Pochelon, Yann Camenen, Kurt Appert, Jan Horacek, Roland Behn, Marco Wischmeier, Philippe Marmillod, Gilbert Tonetti, Albert Perez, Andrea Scarabosio, Gilles Arnoux, Blaise Marlétaz, Pierre-François Isoz, Igor Klimanov, Jean-Claude Magnin, Andrei Martynov, Petri Nikkola, Adriano Manini, Paolo Bosshard, Jean-Yves Favez, Edgar Scavino

In noninductively driven discharges, 0.9 MW second harmonic (X2) off-axis co-electron cyclotron current drive deposition is combined with 0.45 MW X2 central heating to create an electron internal transport barrier (eITB) in steady plasma conditions resulti ...
2003

Shape dependence of sawtooth inversion radii and profile peaking factors in TCV L mode plasmas

Olivier Sauter, Basil Duval, Stefano Coda, Timothy Goodman, Yves Martin, Jean-Marc Moret, Stefano Alberti, Ivo Furno, Minh Quang Tran, Patrick Blanchard, Holger Reimerdes, Jean-Philippe Hogge, Xavier Llobet, Henri Weisen, Jonathan Bryan Lister, Richard Pitts, Antoine Pochelon, Kurt Appert, Roland Behn, Gilbert Tonetti, Andrei Martynov, Petri Nikkola, Adriano Manini, Paolo Bosshard, Edgar Scavino

Sawtooth inversion radii and profile peaking factors of a large variety of ohmic and ECH heated L mode plasmas, including, elongations up to 2.6 and triangularities between -0.5 and 0.75, have been investigated in the TCV tokamak. In ohmic plasmas, normali ...
2002

ECH physics and new operational regimes on TCV

Olivier Sauter, Ambrogio Fasoli, Basil Duval, Stefano Coda, Timothy Goodman, Yves Martin, Jean-Marc Moret, Stefano Alberti, Minh Quang Tran, Patrick Blanchard, Jean-Philippe Hogge, René Chavan, Laurie Porte, Alexander Karpushov, Damien Fasel, Xavier Llobet, Yanis Andrebe, Ugo Siravo, Henri Weisen, Jonathan Bryan Lister, Richard Pitts, Antoine Pochelon, Yann Camenen, Kurt Appert, Jan Horacek, Roland Behn, Marco Wischmeier, Philippe Marmillod, Gilbert Tonetti, Albert Perez, Andrea Scarabosio, Gilles Arnoux, Blaise Marlétaz, Pierre-François Isoz, Igor Klimanov, Jean-Claude Magnin, Andrei Martynov, Petri Nikkola, Adriano Manini, Paolo Bosshard, Jean-Yves Favez, Edgar Scavino

The physics of tokamak plasmas, in which electrons are heated by electron cyclotron heating (ECH) and whose current is driven by electron cyclotron current drive (ECCD), is investigated in this paper together with applications on tokamak A configuration va ...
2002

Stability and energy confinement of highly elongated plasmas in TCV

Olivier Sauter, Basil Duval, Stefano Coda, Timothy Goodman, Yves Martin, Jean-Marc Moret, Stefano Alberti, Ivo Furno, Minh Quang Tran, Patrick Blanchard, Holger Reimerdes, Jean-Philippe Hogge, René Chavan, Damien Fasel, Xavier Llobet, Pierre Lavanchy, Henri Weisen, Jonathan Bryan Lister, Richard Pitts, Antoine Pochelon, Kurt Appert, Roland Behn, Philippe Marmillod, Gilbert Tonetti, Albert Perez, Andrea Scarabosio, Blaise Marlétaz, Pierre-François Isoz, Igor Klimanov, Jean-Claude Magnin, Andrei Martynov, Petri Nikkola, Adriano Manini, Paolo Bosshard, Jean-Yves Favez, Edgar Scavino

The operating space of the TCV tokamak has been extended to higher elongation, kappa = 2.8, and higher normalized current, I-N = I-p/aB = 3.6MA/mT, than were previously attainable. This has been achieved by optimizing the parameters of the vertical positio ...
2001

Overview of TCV results

Olivier Sauter, Basil Duval, Stefano Coda, Timothy Goodman, Yves Martin, Jean-Marc Moret, Stefano Alberti, Ivo Furno, Minh Quang Tran, Patrick Blanchard, Holger Reimerdes, Jean-Philippe Hogge, René Chavan, Damien Fasel, Xavier Llobet, Pierre Lavanchy, Henri Weisen, Jonathan Bryan Lister, Richard Pitts, Antoine Pochelon, Kurt Appert, Roland Behn, Philippe Marmillod, Gilbert Tonetti, Albert Perez, Blaise Marlétaz, Pierre-François Isoz, Jean-Claude Magnin, Andrei Martynov, Petri Nikkola, Adriano Manini, Paolo Bosshard, Jean-Yves Favez, Edgar Scavino

The TCV tokamak (R = 0.88 in, a < 0.25 in, BT < 1.54 T) is equipped with six 0.5 MW gyrotron sources operating at 82.7 GHz for second harmonic X mode ECH. By distributing the ECCD current sources over the discharge cross section, fully driven stationary pl ...
2001

Steady-state fully noninductive operation with electron cyclotron current drive and current profile control in the tokamak a configuration variable (TCV)

Olivier Sauter, Basil Duval, Stefano Coda, Timothy Goodman, Yves Martin, Jean-Marc Moret, Stefano Alberti, Ivo Furno, Minh Quang Tran, Patrick Blanchard, Holger Reimerdes, Jean-Philippe Hogge, René Chavan, Damien Fasel, Xavier Llobet, Pierre Lavanchy, Henri Weisen, Jonathan Bryan Lister, Richard Pitts, Antoine Pochelon, Kurt Appert, Roland Behn, Philippe Marmillod, Gilbert Tonetti, Albert Perez, Blaise Marlétaz, Pierre-François Isoz, Jean-Claude Magnin, Andrei Martynov, Petri Nikkola, Adriano Manini, Paolo Bosshard, Jean-Yves Favez, Edgar Scavino

Fully noninductive, steady-state electron cyclotron current drive (ECCD) has been demonstrated for the first time in experiments carried out in the tokamak a configuration variable (TCV) [O. Sauter , Phys. Rev. Lett. 84, 3322 (2000)]. By appropriately dist ...
2001

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