Skip to main content

Search

Show all results for

Home

Person

Alexander Karpushov

About
Privacy
Disclaimer

Copyright © 2026 EPFL, all rights reserved

Graph Chatbot

Related publications (87)

TCV heating and divertor upgrades

Stefano Alberti, Basil Duval, Ambrogio Fasoli, Jean-Marc Moret, Holger Reimerdes, Alexander Karpushov, Christian Gabriel Theiler, Matthieu Toussaint, Marcelo Baquero Ruiz, Dario Vaccaro

The operational range and the reactor relevance of the TCV experiments are being enhanced by two sets of major upgrades. The first includes the installation of neutral beam injection (NBI) and new electron cyclotron (EC) auxiliary heating sources, to reach ...

IOP Publishing Ltd2020

Beam duct for the 1 MW neutral beam injector on TCV

Basil Duval, Yves Martin, Stefano Coda, Alexander Karpushov, Frédéric Dolizy, Matthieu Toussaint, Roberto Maurizio

The 1MW power of the neutral beam injector (NBI) enters the plasma of the Tokamak a Configuration Variable (TCV) through a duct. The original beam propagation model predicted a maximal heat flux on the internal faces of the duct below 350 kW/m(2), leading ...

2020

Progress toward divertor detachment on TCV within H-mode operating parameters

Basil Duval, Holger Reimerdes, Alexander Karpushov, Benoît Labit, Christian Gabriel Theiler, Wouter Vijvers, Antoine Pierre Emmanuel Alexis Merle, Curdin Tobias Wüthrich, Cedric Kar-Wai Tsui, Umar Sheikh, Kevin Henricus Annemarie Verhaegh, Roberto Maurizio, Artur Perek

Recent experiments on Tokamak à Configuration Variable have made significant progress toward partial detachment of the outer divertor in neutral beam heated H-mode plasmas in conventional and alternative divertor configurations. The heating power required ...

2019

Investigation of the role of electron temperature gradient modes in electron heat transport in TCV plasmas

Stephan Brunner, Olivier Sauter, Alexander Karpushov, Laurie Porte, Claudio Marini, Alberto Mariani

Electron-scale micro-turbulence driven by the electron temperature gradient (ETG) instability has recently been shown to impact the electron heat transport in tokamaks. Given the relevance of these mechanisms for ITER scenarios, a new study has been carrie ...

IOP Publishing Ltd2019

Extension of the operating space of high-beta(N) fully non-inductive scenarios on TCV using neutral beam injection

Timothy Goodman, Olivier Sauter, Alexander Karpushov, Duccio Testa, Javier García Hernández, Antoine Pierre Emmanuel Alexis Merle, Leonardo Pigatto, Mengdi Kong, Matteo Vallar

The fully non-inductive sustainment of high normalized beta plasmas (beta(N)) is a crucial challenge for the steady-state operation of a tokamak reactor. In order to assess the difficulties facing such scenarios, steady-state regimes have been explored on ...

IOP Publishing Ltd2019

Dependence on plasma shape and plasma fueling for small edge-localized mode regimes in TCV and ASDEX Upgrade

Patrick Blanchard, Basil Duval, Timothy Goodman, Jean-Marc Moret, Olivier Sauter, Holger Reimerdes, Stefano Coda, Marco Wischmeier, Jan Horacek, Alexander Karpushov, Laurie Porte, Yanis Andrebe, Yann Camenen, Thomas Binderup Jensen, Duccio Testa, Benoît Labit, Frédéric Dolizy, Emiliano Fable, Javier García Hernández, Ben McMillan, Christian Gabriel Theiler, Federico Alberto Alfredo Felici, Fang Liu, Hugo De Oliveira, Daniele Brunetti, Zhouji Huang, Claudio Marini, Jonathan Marc Philippe Faustin, Antoine Pierre Emmanuel Alexis Merle, Federico Nespoli, Anna Teplukhina, Leonardo Pigatto, Joan Decker, Cedric Kar-Wai Tsui, Pedro Andres Molina Cabrera, Umar Sheikh, Alberto Mariani, Emanuele Poli, Cristian Galperti, Kevin Henricus Annemarie Verhaegh, , , , , , , , , , , , , , , , , ,

A Variable Structure Control Scheme Proposal for the Tokamak a Configuration Variable

Patrick Blanchard, 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, Anna Teplukhina, , , , , , , , , , , , , ,

ELM-induced cold pulse propagation in ASDEX Upgrade

Patrick Blanchard, Roland Behn, Basil Duval, Timothy Goodman, Yves Martin, Jean-Marc Moret, Richard Pitts, Olivier Sauter, Holger Reimerdes, Stefano Coda, Marco Wischmeier, Jan Horacek, Alexander Karpushov, Laurie Porte, Yanis Andrebe, Yann Camenen, Thomas Binderup Jensen, Duccio Testa, Benoît Labit, Emiliano Fable, Javier García Hernández, Ben McMillan, Marc Gruber, Christian Gabriel Theiler, Federico Alberto Alfredo Felici, Dávid Wágner, Attila Bencze, Doohyun Kim, Wouter Vijvers, Hoang Bao Le, Zhouji Huang, Himank Anand, Claudio Marini, Antoine Pierre Emmanuel Alexis Merle, Federico Nespoli, Heinz Mueller, Anna Teplukhina, Joan Decker, Cedric Kar-Wai Tsui, Pedro Andres Molina Cabrera, Matteo Fontana, , , , , , , , , , , ,

A locked mode indicator for disruption prediction on JET and ASDEX upgrade

Patrick Blanchard, Roland Behn, Basil Duval, Ambrogio Fasoli, Timothy Goodman, Yves Martin, Jean-Marc Moret, Richard Pitts, Olivier Sauter, Henri Weisen, Holger Reimerdes, Stefano Coda, Alberto Bottino, Marco Wischmeier, Jan Horacek, Andrea Scarabosio, Hartmut Zohm, Alexander Karpushov, Laurie Porte, Yanis Andrebe, Yann Camenen, Jonathan Graves, Thomas Binderup Jensen, Benoît Labit, Emiliano Fable, Mikhail Maslov, Javier García Hernández, David Pfefferlé, Ben McMillan, Marc Gruber, Christian Gabriel Theiler, Federico Alberto Alfredo Felici, Miguel Filipe Silva Füglister, Dávid Wágner, Attila Bencze, Doohyun Kim, Wouter Vijvers, Hoang Bao Le, Zhouji Huang, Himank Anand, Claudio Marini, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Status, scientific results and technical improvements of the NBH on TCV tokamak

Basil Duval, Ambrogio Fasoli, Timothy Goodman, Stefano Coda, Alexander Karpushov, Duccio Testa, Benoît Labit, Javier García Hernández, Rémy Jacquier, Cristian Galperti, Nicola Vianello, Roberto Maurizio, Matteo Vallar

The TCV tokamak contributes to physics understanding in fusion reactor research by a wide set of experimental tools, like flexible shaping and high power ECRH. A 1MW, 25 keV deuterium heating neutral beam (NB) has been installed in 2015 and it was operated ...

2019

Validation of the ICRF antenna coupling code RAPLICASOL against TOPICA and experiments

Patrick Blanchard, Roland Behn, Basil Duval, Timothy Goodman, Pierre Jacquot, Bruno Marchand, Yves Martin, Pascal Morel, Jean-Marc Moret, Richard Pitts, Olivier Sauter, Holger Reimerdes, Stefano Coda, Alberto Bottino, Marco Wischmeier, Jan Horacek, Andrea Scarabosio, Hartmut Zohm, Alexander Karpushov, Laurie Porte, Yanis Andrebe, Yann Camenen, Thomas Binderup Jensen, Duccio Testa, Telmo David Ribeiro Da Costa, Benoît Labit, Emiliano Fable, Patrycja Nowak-Sliwinska, Javier García Hernández, Ben McMillan, Marc Gruber, Christian Gabriel Theiler, Federico Alberto Alfredo Felici, Jose Felix Vega Stavro, Lenke Horváth, Dávid Wágner, Attila Bencze, Thomas Riedl, Lorenzo Anton-Louis Talà, Diego Carnevale, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Physics research on the TCV tokamak facility: from conventional to alternative scenarios and beyond

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, Javier García Hernández, Rémy Jacquier, Paolo Ricci, Christian Gabriel Theiler, Federico Alberto Alfredo Felici, Hugo De Oliveira, Wouter Vijvers, Zhouji Huang, Himank Anand, Joyeeta Sinha, Claudio Marini, Antoine Pierre Emmanuel Alexis Merle, Federico Nespoli, Oulfa Chellaï, Anna Teplukhina, , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Sliding Surface Based Schemes for the Tokamak a Configuration Variable

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, Bernard Schneider, Duccio Testa, Benoît Labit, Rémy Jacquier, Paolo Ricci, Christian Gabriel Theiler, Federico Alberto Alfredo Felici, Miguel Filipe Silva Füglister, 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, , , , , , , , , , , , , , , , , , ,

Spectroscopic characterisation of H2 and D2 helicon plasmas generated by a resonant antenna for neutral beam applications in fusion

Philippe Frédérique Bruno Guittienne, Basil Duval, Alan Howling, Ivo Furno, Alexander Karpushov, Gennady Plyushchev, Rémy Jacquier, Claudio Marini, Kevin Henricus Annemarie Verhaegh, Riccardo Agnello

A new generation of neutral beam systems will be required in future fusion reactors, such as DEMO, able to deliver high power (up to 50 MW) with high (800 keV or higher) neutral energy. Only negative ion beams may be able to attain this performance, which ...

IOP Publishing Ltd2017

Overview of progress in European medium sized tokamaks towards an integrated plasma-edge/wall solution

Patrick Blanchard, Roland Behn, Basil Duval, Timothy Goodman, Yves Martin, Jean-Marc Moret, Richard Pitts, Olivier Sauter, Holger Reimerdes, Stefano Coda, Marco Wischmeier, Jan Horacek, Alexander Karpushov, Laurie Porte, Yanis Andrebe, Yann Camenen, Thomas Binderup Jensen, Duccio Testa, Benoît Labit, Emiliano Fable, Javier García Hernández, Ben McMillan, Marc Gruber, Christian Gabriel Theiler, Federico Alberto Alfredo Felici, Dávid Wágner, Attila Bencze, Doohyun Kim, Wouter Vijvers, Hoang Bao Le, Zhouji Huang, Himank Anand, Claudio Marini, Antoine Pierre Emmanuel Alexis Merle, Federico Nespoli, Heinz Mueller, Anna Teplukhina, Joan Decker, Cedric Kar-Wai Tsui, Umar Sheikh, Cristian Galperti, , , , , , , , ,

Fast-ion transport in low density L-mode plasmas at TCV using FIDA spectroscopy and the TRANSP code

Basil Duval, Olivier Sauter, Alexander Karpushov, Yanis Andrebe, Duccio Testa, Claudio Marini

Experiments with the new neutral beam injection source of TCV have been performed with high fast-ion fractions (>20%) that exhibit a clear reduction of the loop voltage and a clear increase of the plasma pressure in on- and off-axis heating configurations. ...

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, , , , , , , , , , , , , , ,

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

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

Commissioning of the heating neutral beam injector on the TCV tokamak

Damien Fasel, Blaise Marlétaz, Philippe Marmillod, Albert Perez, Ugo Siravo, Alexander Karpushov, Yanis Andrebe, Jérémie Dubray

2017

Page 2 of 5

Nicola Vianello

Antonio José Pereira de Figueiredo

Aylwin Iantchenko

Roberto Maurizio

Francesco Carpanese

Giovanni Tardini

Lorenzo Stipani

Federico Pesamosca

Filippo Bagnato

Bernhard Sieglin

IOP Publishing Ltd2019

Francesco Sciortino

Cedric Kar-Wai Tsui

Cristian Galperti

Kevin Henricus Annemarie Verhaegh

Nicola Vianello

Roberto Maurizio

Francesco Carpanese

Bernhard Sieglin

Fusion power is the most significant prospects in the long-term future of energy in the sense that it composes a potentially clean, cheap, and unlimited power source that would substitute the widespread traditional nonrenewable energies, reducing the geogr ...

2019

Cristian Galperti

Kevin Henricus Annemarie Verhaegh

Nicola Vianello

Antonio José Pereira de Figueiredo

Giovanni Tardini

Cristian Sommariva

Bernhard Sieglin

In ASDEX Upgrade, the propagation of cold pulses induced by type-I edge localized modes (ELMs) is studied using electron cyclotron emission measurements, in a dataset of plasmas with moderate triangularity. It is found that the edge safety factor or the pl ...

2019

Dalziel Joseph Wilson

Jonathan Marc Philippe Faustin

Antoine Pierre Emmanuel Alexis Merle

Federico Nespoli

Anna Teplukhina

Hamish William Patten

Jose Vicente Sanchez Mut

Cedric Kar-Wai Tsui

Pedro Andres Molina Cabrera

Cristian Galperti

Kevin Henricus Annemarie Verhaegh

Nicola Vianello

Antonio José Pereira de Figueiredo

Samuel Lanthaler

Giovanni Tardini

Cristian Sommariva

Bernhard Sieglin

The aim of this paper is to present a signal processing algorithm that, applied to the raw Locked Mode signal, allows us to obtain a disruption indicator in principle exploitable on different tokamaks. A common definition of such an indicator for different ...

2019

Pamela Solange Valdés Undurraga

Michael Oliver Reinke

Antoine Pierre Emmanuel Alexis Merle

Federico Nespoli

Allan Svejstrup Nielsen

Anna Teplukhina

Janir Nuno Ramos Antunes Da Cruz

Jose Vicente Sanchez Mut

Cedric Kar-Wai Tsui

Pedro Andres Molina Cabrera

Cristian Galperti

Kevin Henricus Annemarie Verhaegh

Daniel Molina Romero

Nicola Vianello

Antonio José Pereira de Figueiredo

Giovanni Tardini

Raffaele Tito D'Agnolo

Erwan Fabrice Koch

Jennifer Kaitlyn Olsen

Cristian Sommariva

Bernhard Sieglin

In this paper we validate the finite element code RAPLICASOL, which models radiofrequency wave propagation in edge plasmas near ICRF antennas, against calculations with the TOPICA code. We compare the output of both codes for the ASDEX Upgrade 2-strap ante ...

IOP Publishing Ltd2019

Leonardo Pigatto

Cedric Kar-Wai Tsui

Pedro Andres Molina Cabrera

Alberto Mariani

Cristian Galperti

Kevin Henricus Annemarie Verhaegh

Marcelo Baquero Ruiz

Nicola Vianello

Aylwin Iantchenko

Roberto Maurizio

Francesco Carpanese

Justin Richard Ball

Lorenzo Stipani

Federico Pesamosca

Anna Ngoc Minh Trang Vu

Filippo Bagnato

Arsène Stéphane Tema Biwole

IOP Publishing Ltd2019

Federico Nespoli

Anna Teplukhina

Francesco Sciortino

Cedric Kar-Wai Tsui

Pedro Andres Molina Cabrera

Cristian Galperti

Kevin Henricus Annemarie Verhaegh

Nicola Vianello

Roberto Maurizio

Francesco Carpanese

Bernhard Sieglin

Fusion power may be seen as the energy of the future in the sense that it composes a potentially clean, cheap and unlimited power source that would reduce the worldwide dependency on non-renewable energies. Nevertheless, while nowadays the fusion reaction ...

IEEE2018

Kevin Henricus Annemarie Verhaegh

Nicola Vianello

Antonio José Pereira de Figueiredo

Giovanni Tardini

Cristian Sommariva

Bernhard Sieglin

Integrating the plasma core performance with an edge and scrape-off layer (SOL) that leads to tolerable heat and particle loads on the wall is a major challenge. The new European medium size tokamak task force (EU-MST) coordinates research on ASDEX Upgrade ...

IOP Publishing Ltd2017

Anna Teplukhina

Francesco Sciortino

Cedric Kar-Wai Tsui

Pedro Andres Molina Cabrera

Cristian Galperti

Kevin Henricus Annemarie Verhaegh

Nicola Vianello

Roberto Maurizio

Francesco Carpanese

Bernhard Sieglin

IOP Publishing Ltd2017