18th Workshop on MHD Stability Control

MHD Control for Steady State Burning Plasmas

A Workshop at Santa Fe, New Mexico hosted by the Los Alamos National Laboratory November 18-20, 2013
[...following the 55th Annual Meeting of the APS Division of Plasma Physics November 11-15, 2013, Denver, Colorado]


November 18-20, 2013

Download PDF (Updated Nov 18th)


8:00-8:45 Registration
8:45-8:50 Welcome and announcements
Session 1 Chair: G. Navratil Steady state burning plasma control
8:50-9:25 J. Ferron Tokamak control issues for steady-state burning plasma operation
9:25-9:45 M. Boyer Nonlinear Control and Real-time Optimization of the Burn Condition in ITER
9:45-10:05 J. Hanson RWM control in low-q tokamak discharges
10:05-10:25 Y. Park Resistive wall mode active control physics design for KSTAR
10:25-10:55 Coffee break
10:55-11:30 G. Manduchi Integrated magnetic plasma control: lessons learned from RFX-mod MHD Control
11:30-11:50 J. Barton Physics-model-based Safety Factor Profile and Internal Energy Control in AT-Scenarios
11:50-12:10 N. Logan Kink-Resonance of NTV Torque: Optimizing the Poloidal Spectrum
12:05-1:30 Lunch
Session 2 Chair: J. Finn Resistive wall mode physics
1:30-2:05 J. Menard Kinetic effects on the ideal-wall limit and the resistive wall mode
2:05-2:25 J. Levesque Optical measurements of kink modes, and plasma shaping and ferritic wall effects in HBT-EP
2:25-2:45 F. Turco Progress on MARS-K validation for high performance plasmas
2:45-3:05 J. Berkery Resistive Wall Mode Stability in NSTX and Benchmarked Kinetic Physics Calculations with MISK
3:05-3:35 Coffee break
Session 3 Chair: M. Lanctot Resistive wall mode control
3:35-4:10 B. Park Strategy on MHD control for steady-state operation in KSTAR
4:10-4:30 D. Brennan Control of rotating plasmas with a resistive wall and complex gain
4:30-4:50 S. Sabbagh Resistive wall mode and plasma rotation control for disruption avoidance in NSTX
4:50-5:25 L. Marrelli Low-q tokamak operations in RFX-mod
Banquet (included in registration fee) preceded by open bar.
Banquet speaker: Vincenzo Cirigliano, LANL: Matter, antimatter and surviving the big bang


Session 4 Chair: F. Volpe Steady state burning plasma control and 3D fields
8:00-8:35 K. Watanabe Operation scenario of a helical reactor based on the high beta LHD and its MHD-related issues
8:35-8:55 D. Maurer Disruption avoidance using stellarator fields on CTH
8:55-9:15 M. Lanctot Effect of 3D Fields on the Edge Harmonic Oscillation in Quiescent H-mode Plasmas
9:15-9:50 T. Pedersen Control of topology and edge heat flows in steady-state plasmas on W7-X
9:50-10:20 Coffee Break
Session 5 Chair: M. Okabayashi Energetic particles and 3D MHD stability
10:20-10:55 E. Frederickson Feedback Control of Energetic Particle Driven Modes
10:55-11:15 F. Orain Non-linear MHD simulations of ELMs and their interaction with RMPs
11:15-11:35 J. King 3D structure and evolution of a resonant magnetic perturbation
11:35-12:10 S. Yamamoto Control of energetic-ion-driven MHD instability in low shear helical plasmas
12:10-1:30 Lunch and group picture
Session 6 Chair: R. La Haye Tearing mode stability and control
1:30-2:05 E. Kolemen Neoclassical tearing mode control and stabilization in steady state burning plasma
2:05-2:25 E. Olofsson Array magnetics signal processing: beyond FFT and SVD
2:25-2:45 Z. Wang The Use of DCON for Computation of Outer Region Matching Data for Singular MHD Modes in Axisymmetric Toroidal Plasmas
2:45-3:05 J. King NIMROD modeling of instabilities and control
3:05-3:25 L. Frassinetti Tearing mode locking and unlocking to an error field in EXTRAP T2R
3:25-4:05 Coffee Break
4:05-4:40 G. Canal Fast seeding of NTMs by sawtooth crashes and implications on their preemption
4:40-5:00 M. Okabayashi NTM locking and disruption avoidance by mode-rotation control by magnetic feedback
5:00-5:20 L. Lin Measurements of tearing mode dynamics with laser-based polarimetry-interferometry diagnostic in toroidal plasmas


Session 7 Chair: D. Maurer Mode locking and special topics
8:00-8:35 G. Pautasso Disruption avoidance and mitigation in ASDEX Upgrade: Tearing mode stabilisation, mode locking with magnetic perturbations and application to study toroidal asymmetry of mode-lock disruption mitigation by massive gas injection
8:35-8:55 L. Delgado Internal kink modes in Ohmic and LHCD plasmas in Alcator C-Mod
8:55-9:15 K. Kim Study on neoclassical transport and kinetic stability in perturbed tokamaks with particle simulation
9:15-9:35 R. Nebel Helical Current Drive in Tokamaks and a Plasma-based DC-DC Electrical Transformer
9:35-10:10 D. Shiraki Error Field Detection and Mode Locking Avoidance by the Interaction of Applied Rotating 3D Fields With Otherwise Locked Modes
10:10-10:30 Coffee Break
Session 8 Chair: R. Buttery Error fields
10:30-11:05 Y. Liu Modelling of the error field correction experiments in MAST
11:05-11:25 C. Paz-Soldan The importance of tuned poloidal spectra for error field correction
11:25-11:45 C. Piron First results on error field correction in q(a)<2 RFX-mod tokamak plasmas
12:05-12:25 E. Strait Summary of ITPA MHD Group Activities
12:25-12:45 Closing