A Workshop at General Atomics,
San Diego, CA, USA
November 20 - 22, 2011
Sunday AM to Tuesday Mid-Day (following APS-DPP Annual Mtg. in Salt Lake City, Utah, 14-18 November, 2011)
(including discussion) SUNDAY Time Category Speaker, Institution Title (and proposed chairs, tbc) 8:00 Check-in 8:45 Dave Hill (LLNL, USA) & Rob La Haye (General Atomics, USA) Welcome and announcements 8:50 Jerry Navratil (Columbia University, USA) Stability Control Challenges for Future Devices Tearing Modes, Plasma Response and Codes:
Chair: Michio Okabayashi9:30 Lorenzo Frassinetti (KTH, Sweden) EXTRAP Coils and Tearing Mode Dynamics 10:10 Hugo van den Brand (FOM Institute for Plasma Physics Rijnhuizen, The Netherlands) Consequences of Mode Locking for Requirements on Real-time NTM Control in ITER 10:35 Nate Ferraro (General Atomics, USA) Physics of Tearing Mode Response to 3D Fields 11:15 Yongkyoon In (FAR TECH, Inc., USA) Plasma Response Based EFC Strategy 11:40 Amiya Sen (Columbia University, USA) Feedback Control of Major Disruptions in ITER 12:05 Boxed Lunches 1:20 Carl Sovinec (Univ. of Wisconsin, USA) NIMROD Applications for MHD Control Locked Modes, RWM Physics:
Chair: Ted Strait2:00 Yoshiro Narushima (NIFS, Japan) Mode Locking in LHD 2:40 Yuki Takemura (NIFS, Japan) Experimental Study of MHD Rotation in the Edge Plasmas of LHD 3:05 Jack Berkery (Columbia University, USA) RWM stabilization physics via kinetic effects in NSTX 3:30 Coffee Break Error Field Correction:
Chair: Andrew Cole4:00 Andrew Cole (Univ. of Wisconsin, USA) Introduction to Panel Session & Key Questions 4:10 Allen Boozer (Columbia University, USA) Strategy for Correcting Magnetic Field Errors 4:50 Mike Schaffer (General Atomics, USA) Results from New Error Control Experiments in DIII-D 5:15 Richard Buttery (General Atomics, USA) Understanding the Limits of Error Field Correction 5:40 Andrew Cole (Univ. of Wisconsin, USA) Panel discussion on "How do residual error fields brake the plasma?" (including discussion) MONDAY Time Category Speaker, Institution Title (and proposed chairs, tbc) 8:20 Joe Snipes (ITER Organization, EU) Prospects for Use of Internal and External Coils on ITER RWMs and Error Field Penetration:
Chair: Jong-Kyu Park9:00 Jeremy Hanson (Columbia University, USA) Uncovering RWM Stability Limits in Tokamaks 9:40 Steve Sabbagh (Columbia University, USA) RWM Stabilization with State-space Control and Multi-component Sensors on NSTX 10:05 Zhirui Wang (Consorzio RFX, Italy) Physical Understanding on RWM Stabilization in RFP - Passive and Active Stabilization 10:30 Coffee Break 11:00 Carlos Paz-Soldan (Univ. of Wisconsin, USA) Stabilization of the RWM and Error Field Reduction by a Rotating Conducting Wall 11:25 Jeff Levesque (Columbia University, USA) Recent RWM Experiments on HBT-EP 11:50 Matteo Baruzzo (Consorzio RFX, Italy) RWM Control Studies on RFX-mod with a Limited Set of Active coils: Experimental Results and Closed Loop Modeling 12:15 Group Photo and Lunch 1:20 Richard Fitzpatrick (University of Texas at Austin, USA) Scaling of the EF Penetration Threshold in Low Density Ohmically Heated Tokamak Plasmas RFPs for Tokamak Studies:
Chair: Piero Martin2:00 Paolo Zanca (Consorzio RFX, Italy) Low-q Tokamak Mode Control in RFX-mod 2:40 Roberto Paccagnella (Consorzio RFX, Italy) Is a Low q Low Confinement Tokamak Reactor Envisageable? 3:05 Francesco Volpe (Univ. of Wisconsin, USA) Error Field Assessment from Driven Rotation of Stable RWMs at Extrap-T2R 3:30 Coffee Break Application of Coils in General:
Chair: Richard Buttery4:00 Richard Buttery (General Atomics, USA) Introduction to Panel Session & Key Questions 4:10 Wolfgang Suttrop (MPI, Germany) Results from the New Non-Axisymmetric Coils on ASDEX Upgrade 4:50 Steve Sabbagh (Columbia University, USA) Importance of ITER In‐vessel Control Coils in Meeting Device Goals 5:05 Erik Olofsson (Columbia University, USA) EXTRAP T2R Coils and Resistive Shell Magnetohydrodynamics 5:30 YoungMu Jeon (NFRI, Korea) Aspects and Applications of Non-Axisymmetric Coils on KSTAR 6:10 Richard Buttery - moderator (General Atomics, USA) Panel discussion on "For what functions are the internal coils essential on ITER?" 7:30 Workshop Dinner, Restaurant Il Fornaio (including discussion) TUESDAY Time Category Speaker, Institution Title (and proposed chairs, tbc) 8:00 John Wesley (General Atomics, USA) Disruption & Runaway Control on DIII-D Special Topics:
Chair: David Maurer8:45 Steve Knowlton (Auburn University, USA) Disruption Control Using External Transform on CTH 9:10 Samuel Lazerson (PPPL, USA) 3D Equilibrium Reconstruction on the Large Helical Device 9:35 Arthur Weller (MPI, Germany) On High Beta MHD in Stellarators 10:15 Lidia Piron (Consorzio RFX, Italy) Optimization of Helical Equilibria with 3D BC in RFX-mod 10:40 Coffee Break & Opportunity to Pick Up a Lunch in the Cafeteria 11:10 Jim Hanson (Auburn University, USA) Equilibrium Reconstruction without Axisymmetry 11:35 Ming Tingfeng (The Graduate University for Advanced Studies, Japan) Edge MHD Mode Structure and Effect from the Externally Applied Magnetic Field in LHD 12:00 Jong-Kyu Park (PPPL, USA) Active Control of Rotating Edge Modes Using HHFW Antenna in NSTX Wrapping Up:
Chair: Rob La Haye12:25 Ted Strait (General Atomics, USA) ITPA – Topical Group on MHD Stability 12:50 Rob La Haye (General Atomics, USA) Feedback on the Workshop and Discuss Next Year (Format, Committee, etc.) 1:00 Richard Buttery (General Atomics, USA) Results of Polling on 2013 and Beyond 1:05 Michio Okabayashi (PPPL, USA) Announcement of next US-Japan MHD workshop, Toki, Japan, March 2012 1:15 Jery Navratil (Columbia University, USA) Next MHD Control Workshop: Theme and location proposal 1:30 End 1:45 Tour of DIII-D