Pedestal Physics Working Session, Cadarache, 3-5 April 2006

Agenda

Monday, 3 April 9:30-18:00.

9:30-9:50 Welcome and Introduction (A. Bécoulet, D. Coster, V. Parail);

I - Physics of L-H transition and ETB (chair: Y Martin)

9:50 Y. Andrew “L-H transition: overview of JET results”;

10:20 Y. Martin “L-H transition in TCV”;

10:50 A. Loarte “Plasma fuelling in JET ELMy H-mode: role of neutral dynamics and edge particle transport”;

11:20 - 11:40 Coffee break

11:40 W, Suttrop, “Edge pedestal studies in improved H-modes and small ELM regimes in AUG”

12:10 E.J. Kim “Role of zonal flows and magnetic fields in turbulence regulation and the formation of transport barriers”;

12:40 - 14:00 Lunch break

14:00 M. Tokar “A model for L-H bifurcation, characteristics of ETB and ELMs”;

14:30 P. Guzdar “Zonal flows and their stability: the role they play in L-H transitions and density limit”;

15:00 T. Kurki-Suonio “ASCOT simulations of edge physics issues”;

15:30 D. Kalupin “Predictive modelling of L-H transition”;

16:00 - 16:20 Coffee break

16:20 P. Ghendrih “Pedestal width and turbulence spreading”;

16:50 C. Konz “Linear edge stability and toroidal rotation”;

17:20 P. Tamain “Thermal stability of plasma with gas puffing”;

17:50-18:10 Discussion.

Tuesday, 4 April 9:00-18:00.

II - MHD stability of ETB, ELM mitigation. (Chair: G. Huysmans)

9:00 B. Unterberg “Impact of stochastic magnetic field on ELMs in TEXTOR”;

9:30 E. Nardon “ELM mitigation by ergodic magnetic field”;

10:00 V. Parail “Role of ripple and ergodic magnetic field in ELM mitigation”;

10:30 P. Monier Garbet “Impurities, pedestal and type-III ELMs in JET”;

11:00 - 11:20 Coffee break

11:20-12:00 P. da Silva Aresta Belo “Impurity transport through the ETB: experimental observation and predictive modelling”;

12:00 S. Wiesen “Modelling of neutral penetration through the SOL”;

12:30 - 13:50 Lunch break

13:50 J. Hogan “Semi-empirical ELM models”;

14:20 P. Beyer “Turbulence simulation of transport barrier relaxations in tokamak edge plasmas”;

III - Diagnostics needed for ETB and ELMs study. (Chair: Th Loarer)

14:50 M. Beurskens “Summary of findings on diagnostic requirements. Creating an optimal edge profiles from experimental data”;

15:20 E. De La Luna “Where we are now, and what will we have when EP2 diagnostics are installed in JET”;

15:50 E. Solano “Effect of equilibrium reconstruction on pedestal measurements”;

16:20 - 16:40 Coffee Break

16:40 R. Behn “Edge profiles during H-mode in TCV”;

17:10 Y. Andrews “Measurements of edge ion temperature and plasma rotation in JET”;

17:40 S. Hacquin “Reflectometry profile measurements”;

Wednesday, 5 April 9:00-12:30.

IV – Discussions . (ChairV. Parail)

9:00 - 10:00 Physics of L-H transition (Chairman :Ph Ghendrih);

10:00 - 10:55 MHD stability of ETB, ELM mitigation (Chairman: M Bécoulet);

10:55 - 11:15 Coffee Break

11:15 - 12:10 Diagnostics needed for ETB and ELMs study (Chairman: M Beurskens);

12:10 - 13:00 Integrated modelling of L-H transition and ELMy H-mode: what do we have and what do we need (D. Coster).