A Workshop at University of Wisconsin, Madison, WI, USA
November 15-17, 2010
(Monday 8:00 AM to Wednesday 1:30 PM)
(including discussion) MONDAY: Research Room 1025, Engineering Centers Building, 1550 Engineering Dr. Time Category Speaker, Institution Title (and proposed chairs, tbc) RMPs and the Edge:Chair: Richard Buttery 8:10 Invited Oliver Schmitz (FZJ, Germany) Magnetic topology and plasma edge transport during RMP ELM control - status and puzzles 8:45 Contributed Francesco Volpe UW Madison Magnetic Barriers and their possible role in ELM control by resonant magnetic perturbations at DIII-D (on behalf of J. Kessler) 9:05 Contributed Francesco Piras - CRPP Switz "Snowflake" H mode in Tokamak Plasmas 9:25 Contributed Vladimir Svidzinski FAR TECH, Inc. USA Edge parallel current drive in Tokamaks as a tool to stabilize plasma boundary 9:45 COFFEE RMPs and 3-D:
Chair: Francesco Volpe10:15 Invited K. Watanabe (NIFS, Japan) LHD experiments relevant to Tokamak MHD control 10:50 Contributed Lorenzo Frassinetti KTH Sweden Plasma braking due to resonant magnetic perturbations in EXTRAP T2R 11:10 Contributed Francois Waelbroeck U.Texas Austin USA RMP driven transport in the pedestal 11:30 Invited Chris Hegna (UW-Madison, USA) 3D Ballooning Stability with RMPs 12:05 Photo 12:15 LUNCH 3-D Effects on Stability:
Chair: John Sarff13:35 Invited Anthony. Cooper (EPFL, Switzerland) MHD equilibrium and stability of tokamaks and RFPs with 3D helical cores 14:10 Contributed Alan Turnbull GA San Diego USA On the Relation Between 3-D Equilibrium and Stability 14:30 Contributed A. Sanpei, KIT, Japan Initial results from 3-D MHD simulation studies for low-A RFP 14:50 Contributed Brett Chapman UW-Madison USA Helical structures and improved confinement in the MST RFP 15:10 COFFEE 3-D Plasmas:
Chair: Francois Waelbroeck15:40 Invited Sadao Masamune (Kyoto Inst. Tech., Japan) 3D self-organization in RFPs with connections to stellarator MHD 16:15 Contributed John Schmitt UW-Madison USA Measurement, Reconstruction and Modeling of Equilibrium Currents in the HSX Stellarator 16:35 Invited Paolo Piovesan (RFX, Italy) 3D flows in helical RFP equilibria 17:10 Contributed John Finn LANL USA Optimization Studies for Pulsed Poloidal Current Drive TUESDAY: Research Room 1025, Engineering Centers Building, 1550 Engineering Dr.
RWM Physics:Chair: Jerry Navratil8:20 Invited Jack Berkery (Columbia Univ., USA) Comparison of RWM Theory and Experiment 8:55 Contributed Matthew Lanctot LLNL USA Ideal MHD and Kinetic Effects on 3D tokamak equilibria 9:15 Contributed Michio Okabayashi PPPL USA The off-axis fishbone driven RWM 9:35 Contributed Carlos Paz Soldan UW-Madison USA Stabilization of the line-tied resistive wall mode by a rotating conducting wall 9:55 COFFEE Jim Callen A Critique: Some Residual Tokamak NTV Torque Isses TUESDAY (contd) NTV mini-session:Chair: Andrew Cole 10:25 Invited Andrew Cole (UW-Madison) Neoclassical Toroidal Viscosity - Progress, Puzzles and Challenges 11:00 Contributed Youwen Sun FZ Juelich Germany Modeling of the Neoclassical Toroidal Plasma Viscosity in Tokamaks 11:20 Contributed James Callen UW-Madison USA Effects of 3D Magnetic Perturbations on Toroidal Plasmas 11:40 Contributed Jong-Kyu Park, PPPL USA Analytic NTV calculations across the regimes and benchmark with FORTEC-3D drift-kinetic code simulation 12:00 Discussion PANEL DISCUSSION ON NTV 12:20 LUNCH RWM control I: Overview and feedback
Chair: Michio Okabayashi13:40 Invited Manabu Takechi (JAEA, Japan) RWM Stabilization with Active Control Coils 14:15 Contributed Jeremy Hanson Columbia/ORISE USA Feedback control of resistive wall mode stability using neutral beam injection heating. 14:35 Contributed Andrew "Steve" Richardson LANL USA Control of ideal and resistive magnetohydrodynamic modes in reversed field pinches with a resistive wall 14:55 Contributed Lidia Piron - IGI Padova Italy Magnetic feedback optimization by including the dynamic response of the wall in RFX mod and DIII-D 15:15 COFFEE RWM control II: Advanced feedback and stability
Chair: Jim Drake15:45 Invited Jon Menard (PPPL, USA) Role of plasma edge in global stability and control 16:20 Contributed David Maurer Columbia USA New HBT EP Multimode MHD Control System and Future Experimental Plans 16:40 Contributed Erik Olofsson KTH Sweden MIMO system identification of external plasma response for EXTRAP T2R 17:00 Contributed Yongkyoon In FAR TECH, Inc. USA Magnetic feedback strategy near no wall stability limit 17:20 Contributed Steve Sabbagh Columbia USA State space controller feedback WEDNESDAY: Research Room 1025, Engineering Centers Building, 1550 Engineering Dr. Now same location as Tues Disruptions, ITPA and Tearing:
Chair: Rob La Haye8:20 Contributed Allen Boozer Columbia USA Enhanced stability of neoclassical tearing modes from external magnetic perturbations 8:40 Invited John Wesley (GA, USA) Disruption Mitigation Challenges for ITER and Beyond 9:15 Contributed Sergey Mirnov TRINITI Russia Disruption Mitigation by Injection of Massive Be and Li Pellets 9:35 Invited Val Izzo (UCSD, USA) Theory and Modeling of Disruptions 10:10 Contributed Shifan Mao UW-Madison USA Statistical Survey of Mode Locking at DIII-D 10:30 Contributed Edward Strait GA San Diego USA Update on ITPA activities 10:50 COFFEE Tearing Physics and Control:
Chair: Sadao Masamume11:20 Invited Francesco Volpe (UW-Madison, USA) Control of disruptive Locked Modes by Magnetic Perturbations and ECCD 11:55 Contributed Federico Felici CRPP/EPFL Switzerland Real-time control of tearing modes and current density profile on TCV 12:15 Contributed Enzo Lazzaro from IFP-CNR Milan New Aspects Of The Identification Of Magnetic Islands From ECE Signals And ControlBy ECCD (REMOTE) 12:35 Contributed Richard Buttery GA San Diego US Error Field Thresholds in H-mode Plasmas 12:55 Contributed Robert La Haye GA San Diego USA Modification of Sawteeth by Applied m/n=1/1 Fields Revisited 13:15 Committee & Closing Including next meeting, and review of MHD WS organization Robert La Haye GA San Diego USA 16th MHD Control Workshop in 2011