Name: Second Technical Meeting on Plasma Disruptions and their Mitigation
Start: 2022-07-19T08:30:00+02:00
End: 2022-07-22T13:55:00+02:00
Location: ITER Headquarters

Second Technical Meeting on Plasma Disruptions and their Mitigation

from Tuesday, July 19, 2022 (8:30 AM) to Friday, July 22, 2022 (1:55 PM)

Monday, July 18, 2022
Tuesday, July 19, 2022

8:30 AM Registration

8:30 AM - 9:00 AM
9:00 AM Opening
9:00 AM - 10:10 AM
Room: Council Room
Contributions

9:00 AM Welcome (IO) - Tim Luce (ITER Organization)

9:10 AM Welcome and Organization (IAEA) - Matteo Barbarino (International Atomic Energy Agency)

9:20 AM ITER Project - Alberto Loarte (ITER Organization)

9:45 AM Disruptions in ITER - Michael Lehnen (ITER Organization)
10:10 AM Coffee
Coffee
10:10 AM - 10:30 AM
Room: Council Room Lobby
10:30 AM Disruption Consequences
10:30 AM - 12:00 PM
Room: Council Room
Contributions

10:30 AM Present status and challenges of disruption load modelling - Francisco Javier Artola Such (ITER Organization)

11:10 AM CarMa0NL modelling of halo currents on COMPASS - Vadim Yanovskiy (Institute of Plasma Physics of the Czech Academy of Sciences)

11:35 AM Parallel transport induced tokamak thermal quench and its mitigation - Xianzhu Tang (Los Alamos National Laboratory)
12:00 PM Lunch
Lunch
12:00 PM - 1:00 PM
1:00 PM Posters
1:00 PM - 2:00 PM
Room: Entrance Lobby
Contributions

1:00 PM Update on SPI experiments at JET-ILW in 2019-2020 - Sergei Gerasimov (CCFE)

1:00 PM Bifurcation-driven vertical plasma displacement - Dmitrii Kiramov (The University of Texas at Austin)

1:00 PM Kinetic-MHD simulation of compressional Alfvén eigenmodes excited by runaway electrons in current quench - Chang Liu (Princeton Plasma Physics Laboratory)

1:00 PM Runaway electron formation and termination in mitigated ITER disruptions - Vinodh Kumar Bandaru (Max-Planck-Institute for Plasma Physics, Garching)

1:00 PM Analysis of Variability in Pre-Disruption Plasma Parameters and their Effect on Runaway Electron Generation using the JET data-base on RE - Vladislav Plyusnin (Instituto de Plasmas e Fusão Nuclear, Associação EURATOM-IST, Instituto Superior Tecnico)

1:00 PM Numerical simulation of thermal quench triggered by density source in HL-2A - shilin hu (Southwestern Institute of Physics)

1:00 PM Assimilation of a Composite Hydrogen/High-Z Plasmoid - Pavel Aleynikov (Max-Planck-Institut für Plasmaphysik)

1:00 PM Pellet fueling technology development in India - Ranjana Gangradey (Institute for Plasma Research)

1:00 PM Hybrid injection system of gas and metal pellets for disruption mitigation on HL-2A - Yunbo DONG (Southwestern Institute of Physics)

1:00 PM MHD modeling and optimization of a passive helical coil for mitigation of runaway electrons - David Weisberg (General Atomics)

1:00 PM Torque balance analysis in real-time of rotating MHD for disruption prediction and avoidance in KSTAR - Juan Riquezes (Columbia University)

1:00 PM MHD activity during disruptions and disruption mitigation: Recent insights from JOREK - Matthias Hoelzl (Max Planck Institute for Plasma Physics)

1:00 PM An interpretable, transferable and real-time disruption predictor in HL-2A based on deep learning - Zongyu Yang

1:00 PM Disruption Prediction with different wall conditions based on multi-scale deep hybrid neural network on EAST - bihao guo

1:00 PM Runaway Electron Related Relaxation Phenomena in EAST Disruptions - long zeng

1:00 PM Analysis of fast camera images for dual shattered pellet injection at KSTAR - Jaungwon Yoo

1:00 PM DECAF Code Cross-device Investigation of Disruption Categorization and Timing Indicated by Variations in the Plasma Current and Vertical Position - Veronika Zamkovska (Columbia University)

1:00 PM Review of a data-driven adaptive disruption predictor for mitigation based on a nearest centroid approach - Jesús Vega (CIEMAT)

1:00 PM Strategy of disruption mitigation using multiple injection of shattered pellets in KSTAR - Jayhyun Kim (Korea Institute of Fusion Energy)

1:20 PM Evolution of Data-driven Disruption Prediction: from Machine Learning to Deep Learning - Giuliana Sias (University of Cagliari)
2:00 PM Disruption Consequences
2:00 PM - 3:30 PM
Room: Council Room
Contributions

2:00 PM Disruption loads in SPARC - Valeria Riccardo (CFS)

2:40 PM Thermal Quench in DIII-D locked mode disruptions - Henry Strauss (HRS Fusion)

3:05 PM KORC Modeling of Wall Heating by Avalanche Runaway Electrons During a Final Loss Event in DIII-D - Matthew Beidler (Oak Ridge National Laboratory)
3:30 PM Coffee
Coffee
3:30 PM - 3:50 PM
Room: Council Room Lobby
3:50 PM Disruption Consequences
3:50 PM - 5:00 PM
Room: Council Room
Contributions

3:50 PM Parametric study of Alfvénic instabilities driven by runaway electrons during the current quench in DIII-D - Andrey Lvovskiy (Oak Ridge Associated Universities)

4:15 PM CONS Discussion
Wednesday, July 20, 2022
9:00 AM Prediction & Avoidance
9:00 AM - 10:55 AM
Room: Council Room
Contributions

9:00 AM Applications of machine learning for plasma control in fusion reactors - Bingjia Xiao (Institute of Plasma Physics, Chinese Academy of Sciences)

9:40 AM Disruption paths in high performance scenarios at JET with D, T, and DT plasmas - Edoardo Alessi (Istituto per la Scienza e la Tecnologia dei Plasmi- CNR)

10:05 AM Avoiding sensor induced disruptions with use of machine learning - Azarakhsh Jalalvand (Ghent University)

10:30 AM Insights on disruption physics in MAST using high speed visible camera data - Christopher Ham (UKAEA-CCFE)
10:55 AM Coffee
Coffee
10:55 AM - 11:15 AM
Room: Council Room Lobby
11:15 AM Prediction & Avoidance
11:15 AM - 12:45 PM
Room: Council Room
Contributions

11:15 AM Mode lock precursors from the electron temperature profile in plasma termination on JET - Gianluca Pucella (ENEA, Fusion and Nuclear Safety Department, C.R. Frascati, Italy)

11:55 AM Disruption Event Characterization and Forecasting Results and Initial Real-Time Application - Steven Sabbagh (Columbia University)

12:20 PM Transfer Today’s Disruption Prediction Model to Future Tokamaks - Wei Zheng (International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma Physics, Huazhong University of Science and Technology)
12:45 PM Lunch
Lunch
12:45 PM - 1:55 PM
1:55 PM Prediction & Avoidance
1:55 PM - 3:25 PM
Room: Council Room
Contributions

1:55 PM Control and machine learning algorithms for disruption avoidance and proximity control - Mark Boyer (Princeton Plasma Physics Laboratory)

2:35 PM Proximity-to-Instability Control and Cross-Machine VDE Stability Metrics on DIII-D and KSTAR - Jayson Barr (General Atomics)

3:00 PM The Desirability of Locking for RF Stabilization of Islands in Large Tokamaks - Allan Reiman (Princeton Plasma Physics Lab)
3:25 PM Posters

3:25 PM - 4:55 PM
Room: Entrance Lobby
4:55 PM Prediction & Avoidance
4:55 PM - 5:40 PM
Room: Council Room
Contributions

4:55 PM P&A Discussion
8:00 PM Dinner

8:00 PM - 10:00 PM
Thursday, July 21, 2022

9:00 AM ITER Site Tour

9:00 AM - 11:00 AM

11:00 AM Coffee
Coffee
11:00 AM - 11:10 AM
Room: Council Room Lobby
11:10 AM Mitigation
11:10 AM - 1:05 PM
Room: Council Room
Contributions

11:10 AM Cryogenic Pellet Ablation Physics and Integrated Modelling of Shattered Pellet Injection - Akinobu Matsuyama (National Institutes for Quantum and Radiological Science and Technology)

11:50 AM Non-axisymmetric Radiation Modeling of JET SPI Discharges Using Emis3D - Benjamin Stein-Lubrano (Plasma Science and Fusion Center, Massachusetts Institute of Technology)

12:15 PM Magnetohydrodynamic Modeling of Shattered Pellet Injection and Runaway-Electron Dynamics - Brendan Lyons (General Atomics)

12:40 PM Non-equilibrium JOREK simulation of ITER L-mode SPI process - Di Hu (Beihang University)
1:05 PM Lunch
Lunch
1:05 PM - 2:05 PM
2:05 PM Mitigation
2:05 PM - 3:35 PM
Room: Council Room
Contributions

2:05 PM Extrapolation of the Runaway Electron Benign Termination Scenario to ITER - Carlos Paz-Soldan (Columbia University)

2:45 PM Self-Consistent Kinetic Simulations of Runaway Electron Termination Schemes - Christopher McDevitt (University of Florida)

3:10 PM Mitigation of runaway electrons with a passive 3D coil - Valerie Izzo (Fiat Lux)
3:35 PM Coffee
Coffee
3:35 PM - 3:55 PM
Room: Council Room Lobby
3:55 PM Mitigation
3:55 PM - 5:55 PM
Room: Council Room
Contributions

3:55 PM Characterization of the ASDEX Upgrade shattered pellet injector - Paul Heinrich (Max-Planck-Institut für Plasmaphysik)

4:20 PM Dual SPI experiments with Identical pellets on DIII-D - Jeffrey Herfindal (UsOakRidge)

4:45 PM Benign Termination of Runaway Electron Beams on ASDEX Upgrade and TCV - Umar Sheikh (SPC-EPFL)

5:10 PM MIT Discussion
Friday, July 22, 2022
9:00 AM Mitigation Technology
9:00 AM - 10:40 AM
Room: Council Room
Contributions

9:00 AM The ITER Disruption Mitigation System design progress and validation - Stefan Jachmich (ITER Organization)

9:25 AM Modelling and simulation of the pellet shattering process related to the SPI technology for the ITER DMS - Pascal Matura (Fraunhofer Institute for High-Speed Dynamics, Ernst-Mach-Institut, EMI)

9:50 AM Pellet production and shattering studies in the ITER DMS support laboratory - Sandor Zoletnik (Centre for Energy Research)

10:15 AM Inductively-Driven Electromagnetic micro-pellet Injector for injection of solid impurities into a Tokamak: Design, Development and Results from ADITYA-U - Sambaran Pahari (Bhabha Atomic Researh Centre)
10:40 AM Coffee
Coffee
10:40 AM - 11:00 AM
Room: Council Room Lobby
11:00 AM Mitigation Technology
11:00 AM - 11:45 AM
Room: Council Room
Contributions

11:00 AM Hydrogen Pellet Formation, Release, Survivability, and Shattering Research Supporting the ITER SPI System - Trey Gebhart (Oak Ridge National Laboratory)

11:25 AM MIT Technology Discussion
11:45 AM General Discussion & Closure
11:45 AM - 12:45 PM
Room: Council Room
Contributions

11:45 AM General Discussion

12:30 PM Closure
12:45 PM Lunch (optional)
Lunch (optional)
12:45 PM - 1:55 PM

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