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Henri Weisen

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Related publications (246)

Ubiquity of non-diffusive momentum transport in JET H-modes

Henri Weisen, Yann Camenen, Mikhail Maslov

A broad survey of the experimental database of neutral beam heated baseline H-modes and hybrid scenarios in the JET tokamak has established the ubiquity of non-diffusive momentum transport mechanisms in rotating plasmas. As a result of their presence, the ...

Int Atomic Energy Agency2012

Understanding the core density profile in TCV H-mode plasmas

Olivier Sauter, Henri Weisen, Emiliano Fable, Andreas Pitzschke, Dávid Wágner

Results from a database analysis of H-mode electron density profiles on the Tokamak à Configuration Variable (TCV) under stationary conditions show that the logarithmic electron density gradient increases with collisionality. By contrast, usual observation ...

IOP2012

On The Possibility Of Using A Heavy Ion Beam Probe For Local Poloidal Flux Measurements In A Tokamak

Henri Weisen

This paper examines the possibility of using the principle of conservation of canonical momentum applied to heavy ion beam orbits to obtain an estimate of the local poloidal flux at the position of ionization in a tokamak plasma. The presence of a nonaxisy ...

2011

A scoping study of the application of neutral beam heating on the TCV tokamak

René Chavan, Basil Duval, Olivier Sauter, Henri Weisen, Alexander Karpushov, Emiliano Fable

The TCV tokamak contributes to the physics understanding of fusion plasmas, broadening the parameter range of reactor relevant regimes, by investigations based on an extensive use of the existing main experimental tools: flexible shaping and high power rea ...

Elsevier B.V.2011

Density profile peaking in JET H-mode plasmas: experiments versus linear gyrokinetic predictions

Henri Weisen, Mikhail Maslov

As an independent complement to previous studies (Weisen et al 2005 Nucl. Fusion 45 L1-4, Weisen et al 2006 Plasma Phys. Control. Fusion 48 A457-66, Angioni et al 2007 Nucl. Fusion 47 1326-35), density peaking in the JET tokamak was investigated on the dat ...

IOP Publishing Ltd2009

Particle transport in tokamak plasmas, theory and experiment

Henri Weisen, Emiliano Fable, Mikhail Maslov

The physical processes producing electron particle transport in the core of tokamak plasmas are described. Starting from the gyrokinetic equation, a simple analytical derivation is used as guidance to illustrate the main mechanisms driving turbulent partic ...

Institute of Physics2009

High-resolution multiwire proportional soft x-ray diagnostic measurements on TCV

Antoine Pochelon, Henri Weisen, Igor Klimanov, Andrea Scarabosio, Yann Camenen

2008

Laser-aided plasma diagnostics

Henri Weisen

2008

Chapter 10 - Core transport studies in jet

Henri Weisen

2008

Plasma dynamics with second and third-harmonic ECRH and access to quasi-stationary ELM-free H-mode on TCV

Gilles Arnoux, Patrick Blanchard, Stefano Alberti, Ambrogio Fasoli, Timothy Goodman, Yves Martin, Henri Weisen, Stefano Coda, Andrea Scarabosio, Laurie Porte, Alessandro Bortolon, Mikhail Maslov

Intense electron cyclotron resonance heating (ECRH) and electron cyclotron current drive (ECCD) are employed on the Tokamak a Configuration Variable (TCV) both in second- and third-harmonic X-mode (X2 and X3). The plasma behaviour under such conditions is ...

IOP Publishing Ltd2007

CONTROL OF THE OSCILLATORY REGIME BY LOCAL CURRENT PERTURBATION IN ECCD PLASMAS ON TCV

Timothy Goodman, Xavier Llobet, Philippe Marmillod, Olivier Sauter, Henri Weisen, Stefano Coda

2007

Density profile behavior in JET and extrapolations to ITER

Henri Weisen, Mikhail Maslov

2007

Control of the oscillatrory regime by local current perturbation in ECCD plasmas on TCV

Timothy Goodman, Xavier Llobet, Philippe Marmillod, Olivier Sauter, Henri Weisen, Stefano Coda

2007

Vertical Launch Third Harmonic Electron Cyclotron Resonance Heating of H-mode on TCV and Access to Quasi-Stationary ELM-free H-mode

Gilles Arnoux, Stefano Alberti, Yves Martin, Olivier Sauter, Henri Weisen, Andrea Scarabosio, Laurie Porte, Alessandro Bortolon, Mikhail Maslov

2007

Recent electron cyclotron emission results on TCV

Patrick Blanchard, Basil Duval, Timothy Goodman, Pierre-François Isoz, Xavier Llobet, Philippe Marmillod, Olivier Sauter, Henri Weisen, Stefano Coda, Christian Schlatter, Igor Klimanov, Laurie Porte, Emiliano Fable

Electron cyclotron emission (ECE) diagnostics on Tokamak a Configuration Variable (TCV) allow study of the electron temperature evolution in time with good spatial and temporal resolution at the high field side and low field side at various lines of sight. ...

2007

Particle and impurity transport in the Axial Symmetric Divertor Experiment Upgrade and the Joint European Torus, experimental observations and theoretical understanding

Henri Weisen, Alexey Zabolotskiy, Mikhail Maslov

Experimental observations on core particle and impurity transport from the Axial Symmetric Divertor Experiment Upgrade [O. Gruber, H.-S. Bosch, S. Gunter , Nucl Fusion 39, 1321 (1999)] and the Joint European Torus [J. Pamela, E. R. Solano, and JET EFDA Con ...

2007

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Henri Weisen

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Ubiquity of non-diffusive momentum transport in JET H-modes

Understanding the core density profile in TCV H-mode plasmas

On The Possibility Of Using A Heavy Ion Beam Probe For Local Poloidal Flux Measurements In A Tokamak

A scoping study of the application of neutral beam heating on the TCV tokamak

Density profile peaking in JET H-mode plasmas: experiments versus linear gyrokinetic predictions

Particle transport in tokamak plasmas, theory and experiment

High-resolution multiwire proportional soft x-ray diagnostic measurements on TCV

Laser-aided plasma diagnostics

Chapter 10 - Core transport studies in jet

Plasma dynamics with second and third-harmonic ECRH and access to quasi-stationary ELM-free H-mode on TCV

CONTROL OF THE OSCILLATORY REGIME BY LOCAL CURRENT PERTURBATION IN ECCD PLASMAS ON TCV

Density profile behavior in JET and extrapolations to ITER

Control of the oscillatrory regime by local current perturbation in ECCD plasmas on TCV

Vertical Launch Third Harmonic Electron Cyclotron Resonance Heating of H-mode on TCV and Access to Quasi-Stationary ELM-free H-mode

Recent electron cyclotron emission results on TCV

Particle and impurity transport in the Axial Symmetric Divertor Experiment Upgrade and the Joint European Torus, experimental observations and theoretical understanding

Particle and impurity transport in electron-heated discharges in TCV

A 10-channel far-infrared polarimeter for the TCV tokamak

Particle and Impurity Transport in Electron-Heated Discharges in TCV

Plasma Dynamics with Second and Third Harmonic ECRH on TCV Tokamak