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Richard Pitts

Cette personne n’est plus à l’EPFL

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Publications associées (269)

Langmuir probe measurements of particle and heat fluxes at the JET MkII-HD divertor targets

Richard Pitts

2007

Divertor radiation distribution during ELMs in JET

Richard Pitts, János Márki

2007

Turbulent transport in the TCV SOL

Richard Pitts, Jan Horacek, Jonathan Graves

From probe measurements in the far SOL of TCV it is demonstrated that while the particle density profile becomes increasingly broader with increasing line averaged density, the radial variation of the fluctuation statistics remains the same. Excellent agre ...

2007

Mechanisms Affecting Radial Electric Field in the Tokamak SOL

Richard Pitts

2007

Time-dependent modelling of ELMing H-mode at TCV with SOLPS5

Roland Behn, Richard Pitts, Jan Horacek, János Márki, Barbora Bruant Gulejová

2007

Fluctuations and transport in the TCV scrape-off layer

Richard Pitts, Jan Horacek

Fluctuations and particle transport in the scrape-off layer of TCV plasmas have been investigated by probe measurements and direct comparison with two-dimensional interchange turbulence simulations at the outer midplane. The experiments demonstrate that wi ...

IOP Publishing Ltd2007

ELM-wall interaction on JET and ITER

Richard Pitts

Significant interaction of ELM filaments with the vessel wall is now observed on JET by several diagnostics. To interpret the experimental data, a model of ELM-filament evolution was developed, with the radial velocity taken from experiment and the decay o ...

2007

Progress in ITER-relevant exhaust physics at JET

Richard Pitts

2007

Convective transport by filamentary structures in scrape-off layer plasmas

Richard Pitts, Jan Horacek

2007

Radiation distributions in TCV

Richard Pitts, Marco Wischmeier, Jan Horacek, Barbora Bruant Gulejová

Total radiative powers measured by foil bolometer and AXUV camera systems are compared to SOLPS5 simulations in low and high density deuterium and helium diverted discharges on the TCV tokamak. For low density the match between simulation and measurements ...

2007

Bulk Plasma Rotation in the TCV Tokamak in the Absence of External Momentum Input

Basil Duval, Richard Pitts, Antoine Pochelon, Andrea Scarabosio, Alexander Karpushov, Alessandro Bortolon

2007

On the statistics of ELM filaments measured by fast low field side wall

Richard Pitts, Attila Bencze

2007

Chapter 4: Power and particle control

Richard Pitts

Progress, since the ITER Physics Basis publication (ITER Physics Basis Editors et al 1999 Nucl. Fusion 39 2137-2664), in understanding the processes that will determine the properties of the plasma edge and its interaction with material elements in ITER is ...

IOP Publishing Ltd2007

Infra Red thermography of ELM-divertor target interactions on TCV

Richard Pitts, János Márki

2007

On the statistics of ELM filaments measured by fast low field side wall Langmuir probes on TCV

Richard Pitts, Attila Bencze

2007

A possible role of radial electric field in driving parallel ion flow in scrape-off layer of divertor tokamaks

Richard Pitts, Marco Wischmeier, Heinz Mueller

The radial electric field in known to be one of the drivers of parallel ion flow in the SOL. It contributes to the ion Pfirsch-Schluter flow and also determines the 'return parallel flow' that can arise to compensate poloidal E x B drift. It was establishe ...

IOP Publishing Ltd2007

SOLPS5 modelling of the type III ELMing H-mode on TCV

Roland Behn, Richard Pitts, Marco Wischmeier, Jan Horacek, János Márki, Barbora Bruant Gulejová

Although ohmic H-modes have long been produced on TCV and the effects of ELMs at the divertor target studied in some detail, no attempt has yet been made to model the scrape-off layer (SOL) in these plasmas. This paper describes details of the first such e ...

2007

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