Anna Teplukhina

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

Jérémie Gérard Laurent, Olivier Sauter, Ambrogio Fasoli, Henri Weisen, Richard Pitts, Jonathan Graves, Stefano Coda, Basil Duval, Timothy Goodman, Yves Martin, Yann Camenen, Jan Horacek, Javier García Hernández, Marco Wischmeier, Jean-Marc Moret, Mikhail Maslov, Patrick Blanchard, Alessandro Pau, David Pfefferlé, Davide Galassi, Federico Alberto Alfredo Felici, Roland Behn, Antonio José Pereira de Figueiredo, Jonathan Marc Philippe Faustin, Liang Yao, Dalziel Joseph Wilson, Cristian Sommariva, Benoît Labit, Hamish William Patten, Samuel Lanthaler, Holger Reimerdes, Laurie Porte, Christian Gabriel Theiler, Alberto Bottino, Marc Gruber, Alexander Karpushov, Emiliano Fable, Ben McMillan, Andrea Scarabosio, Federico Nespoli, Kevin Henricus Annemarie Verhaegh, Antoine Pierre Emmanuel Alexis Merle, Umar Sheikh, Wouter Vijvers, Matteo Fontana, Yanis Andrebe, Cristian Galperti, Haomin Sun, Joan Decker, Cedric Kar-Wai Tsui, Doohyun Kim, Nicola Vianello, Pedro Andres Molina Cabrera, Anna Teplukhina, Thomas Binderup Jensen, Zhouji Huang, Jose Vicente Sanchez Mut, Attila Bencze, Dávid Wágner, Claudio Marini, Himank Anand, Dahye Choi, Hoang Bao Le, Miguel Filipe Silva Füglister, Anton Malygin, Mélanie Preynas, Mateusz Gospodarczyk

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

A new mechanism for increasing density peaking in tokamaks: improvement of the inward particle pinch with edge E x B shearing

Yiming Li, Olivier Sauter, Richard Pitts, Ambrogio Fasoli, Basil Duval, Henri Weisen, Yann Camenen, Jan Horacek, Javier García Hernández, Duccio Testa, Marco Wischmeier, Nicola Vianello, Mikhail Maslov, Patrick Blanchard, Alessandro Pau, Davide Galassi, Federico Alberto Alfredo Felici, Antonio José Pereira de Figueiredo, Cristian Sommariva, Jonathan Graves, Emiliano Fable, Francesca Maria Poli, Antoine Pierre Emmanuel Alexis Merle, Federico Nespoli, Daniele Brunetti, Anna Teplukhina, Hamish William Patten, Samuel Lanthaler, Haomin Sun, Alberto Mariani, Michele Marin

Developing successful tokamak operation scenarios, as well as confident extrapolation of present-day knowledge requires a rigorous understanding of plasma turbulence, which largely determines the quality of the confinement. In particular, accurate particle ...

2019

ELM-induced cold pulse propagation in ASDEX Upgrade

Olivier Sauter, Richard Pitts, Stefano Coda, Basil Duval, Timothy Goodman, Yves Martin, Yann Camenen, Jan Horacek, Javier García Hernández, Duccio Testa, Marco Wischmeier, Jean-Marc Moret, Patrick Blanchard, Alessandro Pau, Federico Alberto Alfredo Felici, Roland Behn, Antonio José Pereira de Figueiredo, Cristian Sommariva, Benoît Labit, Holger Reimerdes, Laurie Porte, Christian Gabriel Theiler, Marc Gruber, Alexander Karpushov, Emiliano Fable, Ben McMillan, Federico Nespoli, Kevin Henricus Annemarie Verhaegh, Antoine Pierre Emmanuel Alexis Merle, Umar Sheikh, Matteo Fontana, Yanis Andrebe, Cristian Galperti, Joan Decker, Dávid Wágner, Cedric Kar-Wai Tsui, Doohyun Kim, Nicola Vianello, Pedro Andres Molina Cabrera, Anna Teplukhina, Thomas Binderup Jensen, Zhouji Huang, Attila Bencze, Claudio Marini, Wouter Vijvers, Himank Anand, Dahye Choi, Hoang Bao Le, Anton Malygin, Mélanie Preynas

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

Recurrence Plots for Dynamic Analysis of Type-I ELMs at JET With a Carbon Wall

In this paper, the dynamic characteristics of type-I edge-localized modes (ELM) time series from the JET tokamak, the world's largest magnetic confinement plasma physics experiment, have been investigated through recurrence plots (RPs). The analysis has be ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2019

Adaptive learning for disruption prediction in non-stationary conditions

Yiming Li, Olivier Sauter, Richard Pitts, Ambrogio Fasoli, Basil Duval, Henri Weisen, Jan Horacek, Javier García Hernández, Duccio Testa, Marco Wischmeier, Nicola Vianello, Mikhail Maslov, Patrick Blanchard, Alessandro Pau, Davide Galassi, Federico Alberto Alfredo Felici, Antonio José Pereira de Figueiredo, Cristian Sommariva, Samuel Lanthaler, Yann Camenen, Jonathan Graves, Emiliano Fable, Francesca Maria Poli, Antoine Pierre Emmanuel Alexis Merle, Federico Nespoli, Daniele Brunetti, Anna Teplukhina, Hamish William Patten, Haomin Sun, Alberto Mariani, Michele Marin

For many years, machine learning tools have proved to be very powerful disruption predictors in tokamaks. On the other hand, the vast majority of the techniques deployed assume that the input data is independent and is sampled from exactly the same probabi ...

IOP Publishing Ltd2019

Overview of the TCV tokamak program: scientific progress and facility upgrades

Olivier Sauter, Ambrogio Fasoli, Basil Duval, Henri Weisen, Timothy Goodman, Jonathan Graves, Stefano Coda, Yves Martin, Jean-Marc Moret, Stefano Alberti, Ivo Furno, Duccio Testa, Minh Quang Tran, Paolo Ricci, Patrick Blanchard, Yann Camenen, Jan Horacek, Holger Reimerdes, Marco Wischmeier, Benoît Labit, Nicola Vianello, Jean-Philippe Hogge, Christian Gabriel Theiler, Federico Nespoli, Alessandro Pau, Federico Alberto Alfredo Felici, Laurie Porte, Alexander Karpushov, Antoine Pierre Emmanuel Alexis Merle, Joan Decker, Xavier Llobet, Fabio Riva, Umar Sheikh, Cristian Galperti, Cedric Kar-Wai Tsui, Christian Schlatter, Kevin Henricus Annemarie Verhaegh, Wouter Vijvers, Anna Teplukhina, Yanis Andrebe, Roberto Maurizio, Zhouji Huang, Rémy Jacquier, Claudio Marini, Mengdi Kong, Hoang Bao Le, Oulfa Chellaï, Himank Anand, Falk Hans Braunmüller, Francesco Carpanese, Josef Kamleitner, Pedro Andres Molina Cabrera, Joyeeta Sinha

IOP Publishing Ltd2017

Control of NTMs and integrated multi-actuator plasma control on TCV

Olivier Sauter, Jean-Marc Moret, Federico Alberto Alfredo Felici, Antoine Pierre Emmanuel Alexis Merle, Cristian Galperti, Mengdi Kong, Anna Teplukhina, Francesco Carpanese, Federico Pesamosca, Anna Ngoc Minh Trang Vu

The control of 2/1 neoclassical tearing modes (NTMs) with electron cyclotron (EC) waves has been studied both experimentally and numerically on TCV. Dynamic evolutions of NTMs along with time-varying deposition locations of the control beam have been studi ...

IOP Publishing Ltd2019

Control of the hydrogen:deuterium isotope mixture using pellets in JET

Yiming Li, Olivier Sauter, Richard Pitts, Ambrogio Fasoli, Basil Duval, Henri Weisen, Yann Camenen, Jan Horacek, Javier García Hernández, Duccio Testa, Marco Wischmeier, Nicola Vianello, Mikhail Maslov, Patrick Blanchard, Alessandro Pau, Davide Galassi, Antonio José Pereira de Figueiredo, Cristian Sommariva, Jonathan Graves, Federico Alberto Alfredo Felici, Emiliano Fable, Francesca Maria Poli, Antoine Pierre Emmanuel Alexis Merle, Federico Nespoli, Daniele Brunetti, Anna Teplukhina, Hamish William Patten, Samuel Lanthaler, Haomin Sun, Alberto Mariani, Michele Marin

Deuterium pellets are injected into an initially pure hydrogen H-mode plasma in order to control the hydrogen: deuterium (H:D) isotope mixture. The pellets are deposited in the outer 20% of the minor radius, similar to that expected in ITER, creating trans ...

IOP Publishing Ltd2019

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

Telmo David Ribeiro Da Costa, Pedro Filipe Varela Saraiva, Olivier Sauter, Stefano Coda, Basil Duval, Timothy Goodman, Patrick Blanchard, Richard Pitts, Yves Martin, Javier García Hernández, Bruno Marchand, Duccio Testa, Jean-Marc Moret, Alessandro Pau, Federico Alberto Alfredo Felici, Roland Behn, Benoît Labit, Jan Horacek, Yann Camenen, Holger Reimerdes, Laurie Porte, Christian Gabriel Theiler, Marco Wischmeier, Marc Gruber, Alexander Karpushov, Antonio José Pereira de Figueiredo, Alberto Bottino, Emiliano Fable, Patrycja Nowak-Sliwinska, Doohyun Kim, Federico Nespoli, Antoine Pierre Emmanuel Alexis Merle, Andrea Scarabosio, Umar Sheikh, Wouter Vijvers, Matteo Fontana, Yanis Andrebe, Cristian Galperti, Haomin Sun, Joan Decker, Zhouji Huang, Ben McMillan, Cedric Kar-Wai Tsui, Diego Carnevale, Janir Nuno Ramos Antunes Da Cruz, Nicola Vianello, Cristian Sommariva, Pedro Andres Molina Cabrera, Anna Teplukhina, Hoang Bao Le, Kevin Henricus Annemarie Verhaegh, Jennifer Kaitlyn Olsen, Jose Vicente Sanchez Mut, Dávid Wágner, Jose Felix Vega Stavro, Lorenzo Anton-Louis Talà, Claudio Marini, Pamela Solange Valdés Undurraga, Wei Zhang, Lenke Horváth, Attila Bencze, Himank Anand, Dahye Choi, Andrea Salmi, Raffaele Tito D'Agnolo, Erwan Fabrice Koch, Hugo Antoine Georges Arnichand, Thomas Binderup Jensen, Allan Svejstrup Nielsen, Michael Oliver Reinke, Pierre Jacquot, Stefano Mattei, Daniel Molina Romero, Ana Susnjara, Anton Malygin, Mélanie Preynas, Thomas Riedl, Mateusz Gospodarczyk, Pascal Morel, Wen Bin Chng

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

Léa Fadil, Olivier Sauter, Ambrogio Fasoli, Stefano Coda, Basil Duval, Henri Weisen, Timothy Goodman, Yves Martin, Stefano Alberti, Yann Camenen, Jan Horacek, Javier García Hernández, Duccio Testa, Marco Wischmeier, Jean-Marc Moret, Ivo Furno, Nicola Vianello, Federico Nespoli, Minh Quang Tran, Patrick Blanchard, Alessandro Pau, Davide Galassi, Benoît Labit, Paolo Ricci, Jean-Philippe Hogge, Jonathan Graves, Holger Reimerdes, Laurie Porte, Christian Gabriel Theiler, Federico Alberto Alfredo Felici, Alexander Karpushov, Antoine Pierre Emmanuel Alexis Merle, Cedric Kar-Wai Tsui, Christian Schlatter, Kevin Henricus Annemarie Verhaegh, Umar Sheikh, Wouter Vijvers, Xavier Llobet, Anna Teplukhina, Matteo Fontana, Yanis Andrebe, Cristian Galperti, Joan Decker, Zhouji Huang, Artur Perek, Marcelo Baquero Ruiz, Alberto Mariani, Matteo Vallar, Justin Richard Ball, Mengdi Kong, Hugo De Oliveira, Claudio Marini, Rémy Jacquier, Pedro Andres Molina Cabrera, Filippo Bagnato, Roberto Maurizio, Oulfa Chellaï, Himank Anand, Mirko Wensing, Francesco Carpanese, Aylwin Iantchenko, Dahye Choi, Federico Pesamosca, Hugo Antoine Georges Arnichand, Arsène Stéphane Tema Biwole, Lorenzo Stipani, Anna Ngoc Minh Trang Vu, Joyeeta Sinha, Nicola Offeddu, Joshua Nathaniel Hawke

IOP Publishing Ltd2019

Anna Teplukhina

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

A new mechanism for increasing density peaking in tokamaks: improvement of the inward particle pinch with edge E x B shearing

ELM-induced cold pulse propagation in ASDEX Upgrade

Recurrence Plots for Dynamic Analysis of Type-I ELMs at JET With a Carbon Wall

Adaptive learning for disruption prediction in non-stationary conditions

Overview of the TCV tokamak program: scientific progress and facility upgrades

Control of NTMs and integrated multi-actuator plasma control on TCV

Control of the hydrogen:deuterium isotope mixture using pellets in JET

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

Control of NTMs and integrated multi-actuator control on TCV

Model-based design, simulation and testing of an electron temperature profile controller on ASDEX-Upgrade

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