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Wouter Vijvers

Cette personne n’est plus à l’EPFL

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Publications associées (31)

Modification of SOL profiles and fluctuations with line-average density and divertor flux expansion in TCV

Holger Reimerdes, Benoît Labit, Christian Gabriel Theiler, Wouter Vijvers, Cedric Kar-Wai Tsui, Kevin Henricus Annemarie Verhaegh, Nicola Vianello

A set of Ohmic density ramp experiments addressing the role of parallel connection length in modifying scrape off layer (SOL) properties has been performed on the TCV tokamak. The parallel connection length has been modified by varying the poloidal flux ex ...

IOP Publishing Ltd2017

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

TCV experiments towards the development of a plasma exhaust solution

Basil Duval, Holger Reimerdes, Benoît Labit, Christian Gabriel Theiler, Wouter Vijvers, Cedric Kar-Wai Tsui, Umar Sheikh, Kevin Henricus Annemarie Verhaegh, Nicola Vianello, Roberto Maurizio

IOP Publishing Ltd2017

Numerical study of potential heat flux mitigation effects in the TCV snowflake divertor

Basil Duval, Holger Reimerdes, Marco Wischmeier, Benoît Labit, Wouter Vijvers

We report on EMC3-Eirene simulations of the plasma and neutral particle transport the TCV boundary layer of a series of snowflake (SF) equilibria characterized by the normalized poloidal flux coordinate rho(x2) of the secondary X-point x(2). We refer to a ...

2016

Enhanced (E)over-right-arrow x (B)over-right-arrow drift effects in the TCV snowflake divertor

Basil Duval, Holger Reimerdes, Benoît Labit, Wouter Vijvers

Measurements of various plasma parameters at the divertor targets of snowflake (SF) and conventional single-null configurations indicate an enhanced effect of the (E) over right arrow x (B) over right arrow drift in the scrape-off layer of plasmas in the S ...

IOP Publishing Ltd2015

Power exhaust in the snowflake divertor for L- and H-mode TCV tokamak plasmas

Basil Duval, Holger Reimerdes, Stefano Coda, Benoît Labit, Wouter Vijvers

The snowflake (SF) divertor is a plasma configuration that may enable tokamak operation at high performance and lower peak heat loads on the plasma-facing components than a standard single-null divertor. This paper reports on the results of experiments per ...

IOP Publishing Ltd2014

First EMC3-Eirene simulations of the TCV snowflake divertor

Basil Duval, Holger Reimerdes, Marco Wischmeier, Benoît Labit, Wouter Vijvers

One of the approaches to solve the heat load problem in a divertor tokamak is the so called 'snowflake' (SF) configuration, a magnetic equilibrium with two nearby x-points and two additional divertor legs. Here we report on the first EMC3-Eirene simulation ...

Institute of Physics2014

Experimental investigation of neon seeding in the snowflake configuration in TCV

Basil Duval, Holger Reimerdes, Marco Wischmeier, Benoît Labit, Wouter Vijvers, Federico Nespoli

Recent TCV experiments have examined the effect of the poloidal field strength in the vicinity of the x-point of diverted configurations on their ability to radiate a large fraction of the exhaust power. A larger region of low poloidal field is a key chara ...

2015

Advanced divertor configurations with large flux expansion

Basil Duval, Holger Reimerdes, Stefano Coda, Mario Ludovico Podesta, Benoît Labit, Wouter Vijvers

Experimental studies of the novel snowflake divertor concept (D. Ryutov, Phys. Plasmas 14 (2007) 064502) performed in the NSTX and TCV tokamaks are reviewed in this paper. The snowflake divertor enables power sharing between divertor strike points, as well ...

Elsevier Science Bv2013

Development of real-time plasma analysis and control algorithms for the TCV tokamak using SIMULINK

Basil Duval, Timothy Goodman, Jean-Marc Moret, Olivier Sauter, Stefano Coda, Lucia Isabel Federspiel, Alessandro Bortolon, Andreas Pitzschke, James Paley, Francesco Piras, Federico Alberto Alfredo Felici, Wouter Vijvers, Hoang Bao Le

One of the key features of the new digital plasma control system installed on the TCV tokamak is the possibility to rapidly design, test and deploy real-time algorithms. With this flexibility the new control system has been used for a large number of new e ...

Elsevier2013

Power distribution in the snowflake divertor in TCV

Basil Duval, Holger Reimerdes, Stefano Coda, Benoît Labit, Wouter Vijvers, Federico Nespoli

TCV experiments demonstrate the basic power exhaust properties of the snowflake (SF) plus and SF minus divertor configurations by measuring the heat fluxes at each of their four divertor legs. The measurements indicate an enhanced transport into the privat ...

Iop Publishing Ltd2013

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Pedro Andres Molina Cabrera

Umar Sheikh

Cristian Galperti

Kevin Henricus Annemarie Verhaegh

IOP Publishing Ltd2017