Fluid simulations of the boundary of fusion plasmas predict the formation of an electric potential well in the vicinity of the X-point in detached divertor conditions with Bt in the unfavorable direction for H-mode access. This potential well arises when t ...

IOP Publishing Ltd2020

SOLPS-ITER simulations of the TCV divertor upgrade

Basil Duval, Holger Reimerdes, Marco Wischmeier, Christian Gabriel Theiler, Kevin Henricus Annemarie Verhaegh, Mirko Wensing, Davide Galassi, Artur Perek

The effect of the upcoming TCV divertor upgrade on the distribution of neutrals and the onset of detachment is studied using 2D transport code simulations. The divertor upgrade is centered around the installation of a gas baffle to form a divertor chamber ...

2019

Novel inferences of ionisation and recombination for particle/power balance during detached discharges using deuterium Balmer line spectroscopy

Basil Duval, Kevin Henricus Annemarie Verhaegh, Mirko Wensing

The physics of divertor detachment is determined by divertor power, particle and momentum balance. This work provides a novel analysis technique of the Balmer line series to obtain a full particle/power balance measurement of the divertor. This supplies ne ...

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

Conduction-based model of the Scrape-Off Layer power sharing between inner and outer divertor in diverted low-density tokamak plasmas

Basil Duval, Holger Reimerdes, Marco Wischmeier, Benoît Labit, Christian Gabriel Theiler, Hugo De Oliveira, Wouter Vijvers, Cedric Kar-Wai Tsui, Umar Sheikh, Kevin Henricus Annemarie Verhaegh, Nicola Vianello, Roberto Maurizio, Mirko Wensing

A simple analytic model for the repartition of the Scrape-Off Layer (SOL) exhaust power between the inner and outer divertors in a diverted low-density tokamak plasma is introduced. Electron heat conduction is assumed to dominate the heat transport, from t ...

Elsevier2019

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

Reaction-diffusion modeling of hydrogen transport and surface effects in application to single-crystalline Be

Mirko Wensing

2018

Production and integration of the ATLAS Insertable B-Layer

Mathieu Benoit, Jan Weingarten, Michael Strauss, Andreas Alexander Maier, Matevz Cerv, Andrew Daniel Bonnar Clark, Maria Elena Stramaglia, Mirko Wensing, Yong Yang, Matthias Weber

2018

SOL transport and detachment in alternative divertor configurations in TCV L-and H-mode plasmas

Basil Duval, Holger Reimerdes, Benoît Labit, Christian Gabriel Theiler, Hugo De Oliveira, Wouter Vijvers, Curdin Tobias Wüthrich, Cedric Kar-Wai Tsui, Umar Sheikh, Kevin Henricus Annemarie Verhaegh, Nicola Vianello, Roberto Maurizio, Mirko Wensing, Davide Galassi, Artur Perek

2018

SOLPS simulation of TCV divertor leg length studies

Mirko Wensing

This contribution uses TCV experiments with varying divertor configurations to investigate the particle- and heat cross-field transport within the scrape-off layer, which greatly determines the peak heat flux on the plasma-facing components. The proximity ...

2018

Identification of the primary processes that lead to the drop in divertor target ion current at detachment in TCV

Kevin Henricus Annemarie Verhaegh, Mirko Wensing

Using SOLPS-ITER, we model a TCV conventional divertor discharge density ramp to understand the role of various processes in the loss of target ion current. We find that recombination is not a strong contributor to the rollover of the target ion current at ...

2018

The multi-spectral imaging diagnostic

Basil Duval, Yanis Andrebe, Christian Gabriel Theiler, Kevin Henricus Annemarie Verhaegh, Mirko Wensing

The Multi-Spectral Imaging system is a new diagnostic that captures simultaneous spectrally filtered images from a common line of sight while maintaining a large etendue and high throughput. Imaging several atomic line intensities simultaneously may enable ...

2018

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Nicola Vianello

Antonio José Pereira de Figueiredo