Name: 4th Technical Meeting on Divertor Concepts
Start: 2022-11-07T08:30:00+01:00
End: 2022-11-10T17:50:00+01:00
Location: IAEA Headquarters

4th Technical Meeting on Divertor Concepts

from Monday, 7 November 2022 (08:30) to Thursday, 10 November 2022 (17:50)

Monday, 7 November 2022
09:00
09:00 - 09:30
Room: Board Room A
Contributions

09:00 IAEA Introduction - Matteo Barbarino (International Atomic Energy Agency)

09:15 Chair Introduction - Marco Wischmeier (IPP Garching)
09:30
09:30 - 10:40
Room: Board Room A
Contributions

09:30 The EU-DEMO Exhaust Modelling Roadmap – Numerical Implementation and Methods - Sven Wiesen (Forschungszentrum Jülich GmbH, Institut für Energie-und Klimaforschung – Plasmaphysik, 52425 Jülich, Germany)

10:00 Divertor concept development for the W7-X stellarator experiment - Dirk Naujoks (IPP Greifswald)

10:20 Utilization of SPARC to investigate divertor solutions for fusion pilot-plants - Adam Kuang (MIT Plasma Science and Fusion Center)
10:40 Break
Break
10:40 - 11:00
Room: Board Room A
11:00
11:00 - 12:50
Room: Board Room A
Contributions

11:00 Physics basis and design of tungsten divertor for CFETR - Rui Ding (Institute of Plasma Physics, Chinese Academy of Sciences)

11:30 Physics drivers of the STEP divertor concept design - Sarah Newton (Culham Centre for Fusion Energy)

11:50 Simulation studies of He and particle exhaust in detached divertor for JA DEMO design - Nobuyuki Asakura (National Institutes for Quantum, Science and Technology (QST), Naka Institute)

12:10 Design of the divertor and power exhaust scenarios development for the Divertor Tokamak Test facility - Paolo Innocente (Consorzio RFX - CNR)

12:30 A tightly-baffled, long-legged divertor concept for DEMO and its potential test in TCV - Holger Reimerdes (Ecole Polytechnique Fédérale de Lausanne (EPFL), Swiss Plasma Center (SPC), CH-1015 Lausanne, Switzerland)
12:50 Lunch
Lunch
12:50 - 14:10
Room: Board Room A
14:10
14:10 - 16:30
Room: Board Room A
Contributions

14:10 Impurity parallel force balance in the SOL using the Zhdanov closure in Soledge3X-EIRENE simulations of WEST discharges - Yannick Marandet (PIIM, CNRS/Aix-Marseille Univ., Marseille, France, EU)

14:50 Simulation study of the density threshold for the reverse of the detachment priority between inner and outer divertor for quasi-snowflake configuration - Xinglei RUAN (USTC)

15:10 Measurements of impurity flows and line-radiation in the W7-X scrape-off layer - Valeria Perseo (Max-Planck-Institute für Plasmaphysik)

15:30 Assessing Alternative Divertor Configurations for Power Exhaust in EU-DEMO - Fabio Subba (Politecnico di Torino)

15:50 Developing tools to accelerate divertor design and full-power operation - Tom Rognlien (LLNL)

16:10 Kinetic trajectory simulation method for plasma-wall interaction of multi-component, electronegative, and dusty plasmas - Raju Khanal (Tribhuvan University)

16:10 Assessing simple models for density build up and impurity exhaust in the island divertor of W7-X - Felix Reimold

16:10 Implementations of parallel ion viscosity in SOLEDGE3X and their impact on edge plasma turbulence - Hugo Bufferand (CEA)

16:10 SPARC Diagnostics for Use in Plasma Control and Divertor Physics Studies - Matthew Reinke (Commonwealth Fusion Systems)

16:10 Simulation study of the E×B drift effect on the transport of plasma and sputtered impurities in scrape-off layer - Shifeng MAO (University of Science and Technology of China)

16:10 Modeling the effect of drifts on HL-2M snowflake in-out divertor heat loading by SOLPS-ITER - Hailong Du (Southwestern Institute of Physics)
16:30 Break
Break
16:30 - 16:50
Room: Board Room A

16:50 DEMO & Next Step
DEMO & Next Step
16:50 - 17:50
Room: Board Room A
Tuesday, 8 November 2022
09:00
09:00 - 10:35
Room: Board Room A
Contributions

09:00 Intro to SOL session - Anthony Leonard (USA)

09:15 Plasma-neutral interaction processes in ITER and medium-sized tokamaks from SOLEDGE3X full-vessel boundary plasma simulations - Nicolas RIVALS (CEA)

09:35 Modeling transient edge plasma processes with dynamic wall recycling - Maxim Umansky (Lawrence Livermore National Lab)

09:55 Experimental and numerical progress in the assessment of alternative divertor configurations in TCV and extrapolations towards higher power conditions - Christian Theiler (EPFL-SPC)

10:15 Numerical Predictions of Divertor Power Sharing in Conceptual High Power Double Null Tokamaks - Jonathan Yu (General Atomics)
10:35 Break
Break
10:35 - 10:55
Room: Board Room A
10:55
10:55 - 11:35
Room: Board Room A
Contributions

10:55 Complete H fuel cycle with the island divertor in Wendelstein 7-X - Kremeyer Thierry (Max Planck IPP)

11:15 Impurity leakage mechanisms in the W7-X island divertor under experimentally relevant operational space - Victoria Winters (Max Planck Institute for Plasma Physics)
11:35 SOL Physics
SOL Physics
11:35 - 12:35
Room: Board Room A

12:35 Lunch
Lunch
12:35 - 14:00
Room: Board Room A
14:00
14:00 - 15:30
Room: Board Room A
Contributions

14:00 Overview of DEMO Divertor Architecture Design options - Giuseppe Mazzone (aENEA Department of Fusion and Technology for Nuclear Safety and Security, via E. Fermi 45, 00044 Frascati, Italy)

14:30 Synergies in the technological developments of the W7-X and JT-60SA metallic divertor plasma facing components - Marianne Richou

14:50 Recent advances in EAST flowing liquid Li limiter experiments in support of divertor design for DEMO device - Jiansheng hu (Institute of Plasma Physics, Chinese Academy of Sciences)

15:10 Proposal for an high Z liquid metal divertor - Matteo Iafrati (ENEA)
15:30 Break
Break
15:30 - 15:50
Room: Board Room A
15:50
15:50 - 17:50
Room: Board Room A
Contributions

15:50 Fabrication of CFC/Cu flat type Plasma Facing Components of HL-2M advanced divertor - Fan Feng

16:10 Divertor leg length considerations for testing detached divertor operation compatibility with a high-performance core plasma - Anthony Leonard (USA)

16:30 Target technologies R&D for EU-DEMO divertor - Selanna Roccella (ENEA Department of Fusion and Nuclear Safety Technology)

16:50 Time-dependent SOLPS-ITER simulation for actuator design and system identification - Jaesun Park (Oak Ridge National Laboratory)

17:10 Early Observations of Divertor Detachment on MAST Upgrade - James Harrison (United Kingdom Atomic Energy Authority)

17:30 A Continuous V Shape Water Cooled Divertor Structure: Flexible with Plasma Configurations and Improved Heat Flux Capability - Xuebing PENG

17:30 Modeling a Lithium Vapor Box Divertor and Resulting Ion Flows on NSTX-U using SOLPS - Eric Emdee (Princeton Plasma Physics Laboratory)

17:30 Numerical simulation of neutron flux distribution for DEMO Divertor heterogeneous model concept - Gediminas Stankunas (Lithuanian Energy Institute)

17:30 Divertor Detachment In Negative-Triangularity Configurations In The TCV Tokamak - Olivier Février (Ecole Polytechnique Fédérale de Lausanne (EPFL), Swiss Plasma Center (SPC), CH-1015 Lausanne, Switzerland)

17:30 Divertor heat flux mitigation with boron and boron nitride powders in DIII-D - Florian Effenberg (Princeton Plasma Physics Laboratory, Princeton, NJ, 08543, USA)

17:30 An overview of the conceptual design of the plasma-facing components of the DTT divertor - Giacomo Dose (University of Rome “Tor Vergata”)

17:30 ELM Mitigation Enabled by Control of Neutral Recycling with New EAST Divertor - Guosheng Xu (Institute of Plasma Physics, Chinese Academy of Sciences) Xin Lin

17:30 Tungsten sources and core contamination in WEST diverted configurations - Nicolas Fedorczak (IRFM/CEA)
Wednesday, 9 November 2022
09:00
09:00 - 10:20
Room: Board Room A
Contributions

09:00 Tungsten lifetime assessment for divertor component design - Alan DURIF (CEA)

09:20 Perspectives of chemical vapour deposition for the fabrication of tungsten fibre-reinforced composite components - Johann Riesch (Max-Planck-Insitut für Plasmaphysik)

09:40 Plasma-facing components based on tungsten fiber-reinforced tungsten composites - Yiran Mao (Research Center Jülich)

10:00 Numerical design optimization of plasma-facing components using functionally graded materials - Sander Van den Kerkhof (KU Leuven)
10:20 Break
Break
10:20 - 10:40
Room: Board Room A

10:40 PFMC
PFMC
10:40 - 11:40
Room: Board Room A
11:40
11:40 - 12:35
Room: Board Room A
Contributions

11:40 Model advancements in mean-field plasma edge codes to enable computationally achievable simulations of the ITER and DEMO reactors - Martine Baelmans (KU Leuven, Department of Mechanical Engineering)

12:10 Self-consistent integration of plasma transport and divertor physics in the SOLEDGE3X-EIRENE code: status, results and prospects - Patrick Tamain (CEA Cadarache)
12:35 Lunch
Lunch
12:35 - 14:00
Room: Board Room A
14:00
14:00 - 16:00
Room: Board Room A
Contributions

14:00 Parametric scaling of power exhaust in EU-DEMO SOLPS-ITER simulations - Aaro Järvinen (VTT)

14:20 Detachment Control Considerations for Divertor Design - cyd Cowley (The University of York)

14:40 Impact of divertor geometry on separatrix density in JET H-mode plasmas and derivation of a scaling law as a function of engineering parameters - Guido CIRAOLO (CEA, IRFM)

15:00 SOLPS-ITER simulations of an X-point radiator in the single-null and snowflake divertor configurations in ASDEX Upgrade and EU-DEMO - Ou Pan (Max-Planck-Institut für Plasmaphysik)

15:20 Progress towards robust divertor and exhaust scenario optimization with SOLPS-ITER - Wouter Dekeyser (KU Leuven, Department of Mechanical Engineering)

15:40 EIRENE modelling with improved CRMs for spectroscopic RT detachment control in EU-DEMO - Dmitriy V. Borodin (Forschungszentrum Jülich GmbH, Institut für Energie- und Klimaforschung – Plasmaphysik, Partner of the Trilateral Euregio Cluster (TEC), 52425 Jülich, Germany)
16:00 Break
Break
16:00 - 16:20
Room: Board Room A

16:20 Modelling
Modelling
16:20 - 17:20
Room: Board Room A

17:20

17:20 - 18:00
Room: MOE05

19:00

19:00 - 21:00
Room: Board Room A
Thursday, 10 November 2022
09:00
09:00 - 10:10
Room: Board Room A
Contributions

09:00 Entry to and exit from ELM suppressed H-mode in detached conditions - Matthias Bernert (Max-Planck-Institut für Plasmaphysik)

09:30 Particle and power exhaust of new EAST lower tungsten divertor for advanced steady-state operations - Liang Wang (Institute of Plasma Physics, Chinese Academy of Sciences (ASIPP))

09:50 Radiative divertor compatible with RMP-driven, ELM-crash-suppression in fusion DEMO-type devices - Yongkyoon In (Ulsan National Institute of Science and Technology)
10:10 Break
Break
10:10 - 10:30
Room: Board Room A
10:30
10:30 - 11:30
Room: Board Room A
Contributions

10:30 Divertor detachment and re-attachment studies with mixed impurity seeding on ASDEX Upgrade - Stuart Henderson (UKAEA)

10:50 Overview of Exhaust Physics Results from MAST-U - Peter Ryan (UKAEA)

11:10 Compact radiative divertor experiments at ASDEX Upgrade extrapolated to DEMO - Tilmann Lunt (Max-Planck-Institut für Plasmaphysik)
11:30 Radiative Divertor
Radiative Divertor
11:30 - 12:30
Room: Board Room A

12:30 Lunch
Lunch
12:30 - 13:30
Room: Board Room A

13:30 Wrap up
Wrap up
13:30 - 14:30
Room: Board Room A

14:30

14:30 - 14:40
Room: Board Room A