Publications de János Márki | EPFL Graph Search

Infrared Thermography of Divertor ELM Heat Loads on TCV

Edge Localised Mode (ELM)-induced heat loads, in particular divertor heat loads present one of the main challenges in adopting nuclear fusion as an industrial-scale energy source. At present, the type-I ELMy plasma regime is chosen as the most suitable ope ...

EPFL2012

Electron temperature and density profile evolution during the ELM cycle in ohmic and EC-heated H-mode plasmas in TCV

Olivier Sauter, Basil Duval, Laurent Villard, Laurie Porte, Roland Behn, János Márki, Andreas Pitzschke

2012

"Snowflake" H Mode in a Tokamak Plasma

Olivier Sauter, Basil Duval, Stefano Coda, Jean-Marc Moret, Benoît Labit, Francesco Piras, János Márki, Andreas Pitzschke

An edge-localized mode (ELM) H-mode regime, supported by electron cyclotron heating, has been successfully established in a snowflake (second-order null) divertor configuration for the first time in the TCV tokamak. This regime exhibits 2 to 3 times lowe ...

The American Physical Society2010

Snowflake divertor experiments on TCV

Olivier Sauter, Basil Duval, Stefano Coda, Jean-Marc Moret, Benoît Labit, Francesco Piras, János Márki, Andreas Pitzschke

An ELMy H-mode 'snowflake' (SF) divertor is established and studied for the first time in the TCV tokamak. The H-mode access and the edge localized mode (ELM) dynamics are compared with a conventional single-null diverted configuration. The SF configuratio ...

Institute of Physics2010

ELM induced divertor heat loads on TCV

Richard Pitts, Jan Horacek, János Márki

Results are presented for heat loads at the TCV outer divertor target during ELMing H-mode using a fast IR camera. Benefitting from a recent surface cleaning of the entire first wall graphite armour, a comparison of the transient thermal response of freshl ...

Elsevier2009

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

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

2007

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

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

2007

Sheath heat transmission factors on TCV

Richard Pitts, Jan Horacek, Francisco Sanchez, János Márki

Despite its importance in determining the calculated surface power flux predicted, for example, by scrape-off layer simulation codes, the sheath heat transmission factor, gamma remains a quantity whose theoretically predicted value has rarely been tested e ...

2007

Divertor radiation distribution during ELMs in JET

Richard Pitts, János Márki

2007

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

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

2007