Name: 37th meeting of the ITPA Divertor and Scrape-Off-Layer Topical Group meeting
Start: 2026-01-26T08:30:00+01:00
End: 2026-01-29T19:00:00+01:00
Location: Zoom

Monday 26 January 2026
08:30 Opening and logistics
Opening and logistics
08:30 - 09:30
Contributions

08:30 Welcome - Sven Wiesen (Differ - Dutch Institute for Fundamental Energy Research (EU))

08:35 Logistics - Karl Krieger (IPP - Max-Planck-Institut fÃ¼r Plasmaphysik (EU))

08:45 Host lab talk (IPP) - Thomas Putterich (IPP - Max-Planck-Institut fÃ¼r Plasmaphysik (EU))

09:00 ITER status talk - Tom Wauters (ITER Organization (IO))
09:30 DSOL45
DSOL45
09:30 - 10:30
Contributions

09:30 DSOL-45 intro - Tom Wauters (ITER Organization (IO))

09:45 Updates on modelling of wall conditioning discharges with the SOLPS-ITER code - Anthony Piras (KU Leuven (EU))

10:00 Results of hydrogen and deuterium ion cyclotron wall conditioning plasma characterization in the TOMAS device - Daniel Lopez

10:15 ECWC in JT-60SA - Masakatsu Fukumoto (QST)
10:30 Coffee break
Coffee break
10:30 - 10:50

10:50 Discussion DSOL-45
Discussion DSOL-45
10:50 - 11:20
11:20 DSOL-48
DSOL-48
11:20 - 12:25
Contributions

11:20 DSOL-48 intro - Florian Effenberg (Princeton Plasma Physics Laboratory)

11:25 Boron distribution from powder dropping in DIII-D - Florian Effenberg (Princeton Plasma Physics Laboratory)

11:40 Empirical modeling of multi-machine data - Alessandro Bortolon (PPPL)

11:55 LHD experiments - G. Motojima (NIFS)

12:10 WEST dropper experiments - Alberto Gallo (CEA)
12:25 Lunch break
Lunch break
12:25 - 13:25
13:25 DSOL-49
DSOL-49
13:25 - 15:30
Contributions

13:25 DSOL-49 intro - Suguru Masuzaki (National Institutefor Fusion Scienc (JP))

13:30 Fuel retention characteristics in EAST long-pulse discharges under different wall conditions - Zhe Wang

13:45 Fuel retention due to boronization : latest results from WEST - Emmanuelle Tsitrone (CEA)

14:00 Results of samples analysis from AUG - Karl Krieger (IPP - Max-Planck-Institut fÃ¼r Plasmaphysik (EU))

14:15 ICWC interaction with B layers in WEST - Ewa Pawelec (Institute of Physics, University of Opole)

14:30 Erosion of B layer by D plasma and D retention studies at DIFFER - Thomas Morgan

14:45 Studies of boron layer fuel removal by plasma exposure in TOMAS and PSI-2 - Anne Houben (FZJ - Forschungszentrum Julich (EU))

15:00 Boron layer erosion at the FW position in W7-X - Chandra Prakash Dhard (MPG)

15:15 Boron erosion and redeposition in deuterium plasma in PSI-2 - Arkadi Kreter (FZJ - Forschungszentrum Julich (EU))
15:30 Coffee break
Coffee break
15:30 - 15:50
15:50 DSOL-47
DSOL-47
15:50 - 17:10
Contributions

15:50 DSOL-47 intro - Volker Rohde (IPP - Max-Planck-Institut fÃ¼r Plasmaphysik (EU))

15:55 Boronisation at AUG: sample analyses and QMB enhancements - Sehoon An (MPG)

16:10 Boronisation at WEST: analysis of samples - Alberto Gallo (CEA)

16:25 A comparative study of boronization assisted by ICWC and GDC in EAST - Yanhong Guan

16:40 Boronisation at LHD: analysis of samples - Suguru Masuzaki (National Institutefor Fusion Scienc (JP))

16:55 Boronisation at DIII-D - Igor Bykov (General Atomics)
17:10 Discussion DSOL-47/48/49
Discussion DSOL-47/48/49
17:10 - 18:40
Tuesday 27 January 2026
08:30 DSOL-41
DSOL-41
08:30 - 10:20
Contributions

08:30 DSOL-41 Intro - Adam McLean (LLNL) Sven Wiesen (Differ - Dutch Institute for Fundamental Energy Research (EU))

08:35 XPR turbulence simulations with GRILLIX - Konrad Eder (MPG)

08:50 Physics insights from a large-scale 2D UEDGE simulation database for detachment control in KSTAR - M. Zhao (LLNL)

09:05 Recent progresses of radiation mantle, XPR and CRD on EAST - Kedong Li (IPP - Institute of Plasma Physics (CN)) Kai Wu (ASIPP (CN))

09:20 A predictive formula for the H-Mode separatrix density: Bridging regression and physics-based models across C-Mod, AUG and JET tokamaks - Davide Silvagni (IPP - Max-Planck-Institut fÃ¼r Plasmaphysik (EU))

09:35 Mechanism of divertor quick transition process to X-point radiators in the WEST tokamak using time-dependent simulations. - Hao YANG (Aix-Marseille University (EU))

09:50 Dynanic modeling of XPR formation in ITER - Anastasia Poletaeva

10:05 Integrated modeling of divertor detachment considering wall material evolution - Xu Guoliang (ASIPP)
10:20 Discussion DSOL-41
Discussion DSOL-41
10:20 - 10:50

10:50 Coffee break
Coffee break
10:50 - 11:10
11:10 DSOL-46
DSOL-46
11:10 - 12:15
Contributions

11:10 DSOL-46 intro - Rui Ding (IPP - Institute of Plasma Physics (CN))

11:15 Upgraded ERO simulation for ITER with wide grid - Christoph Baumann (FZJ)

11:30 Recent experimental results on EAST and AUG - M. Rasinski (FZJ)

11:45 Updated CXN studies on EAST - Jin Guo (ASIPP (CN))

12:00 R&D updates on PdMIS Charge-Exchange Sensors with MEMS shutters - Ryan Hood (Sandia)
12:15 Discussion DSOL-46
Discussion DSOL-46
12:15 - 12:45

12:45 Lunch break
Lunch break
12:45 - 13:45
13:45 DSOL-43
DSOL-43
13:45 - 14:50
Contributions

13:45 DSOL-43 intro - Matthias Bernert (IPP - Max-Planck-Institut fÃ¼r Plasmaphysik (EU))

13:50 AUG detachment control: recent experiments and future plans - Pierre David (MPG)

14:05 Synthetic system identification using multisine perturbations with SOLPS-ITER - Stijn Kobussen (Dutch Institute for Fundamental Energy Research (EU))

14:20 Long-pulse detachment feedback control progress and the removal strategy of the wall-retained impurities on EAST - Kai Wu (ASIPP (CN))

14:35 DIII-D & KSTAR experimental overview - David Eldon (GA)
14:50 DSOL-43 Discussion
DSOL-43 Discussion
14:50 - 15:20

15:20 Coffee break
Coffee break
15:20 - 15:40
15:40 MDC-DSOL-1
MDC-DSOL-1
15:40 - 16:45
Contributions

15:40 MDC-DSOL-1 intro - Karl Krieger (IPP - Max-Planck-Institut fÃ¼r Plasmaphysik (EU))

15:45 AUG plans to expose W limiter to RE impact - Karl Krieger (IPP - Max-Planck-Institut fÃ¼r Plasmaphysik (EU))

16:00 JOREK RE final loss instability modeling progress - Matthias Hoelzl (IPP - Max-Planck-Institut fÃ¼r Plasmaphysik (EU))

16:15 RE impact material damage modeling progress - Svetlana Ratynskaia

16:30 DIII-D graphite limiter impacts with REs - Eric Hollmann (UC San Diego)
16:45 Discussion MDC-DSOL-1
Discussion MDC-DSOL-1
16:45 - 17:15
17:15 CFS Session
CFS Session
17:15 - 18:00
Contributions

17:15 SepOS for SPARC, current activities and recent results - Thomas Eich

17:30 Predicting detachment access via fast, analytical models for SPARC - Bart Lomanowski

17:45 The capabilities of the Boundary Digital Twin in preparation for SPARC operation: Current Status and outlook - ANDREAS REDL (Commonwealth Fusion Systems)
18:00 CFS Session Discussion
CFS Session Discussion
18:00 - 18:30
Wednesday 28 January 2026
08:25 PEP-DSOL-1
PEP-DSOL-1
08:25 - 10:05
Contributions

08:25 PEP-DSOL-1 intro - Michael Faitsch (IPP - Max-Planck-Institut fÃ¼r Plasmaphysik (EU))

08:30 Turbulence Simulations of the Quasi-Continuous Exhaust (QCE) regime - Kaiyu Zhang (MPG)

08:45 Increased edge particle transport near H-mode density limits on Alcator C-Mod and ASDEX Upgrade - Andrés Miller (MIT PSFC)

09:00 AUG: Density shoulder in QCE - Jessica Stobbs

09:15 Exploring the transition from continuous turbulence fluctuations to bursting ELMs in high SOL density regimes - Nami Li (Lawrence Livermore National Laboratory)

09:30 Pedestal and SOL turbulence bebaviors in H-mode detached plasma with small ELMs on the HL-2A tokamak - Ting Wu (SWIP)

09:45 Simulation of simultaneous detachment/ELM mitigation due to neon injection within Edge Plasma Coupling Simulation framework - Shifeng Mao (University of Science and Technology of China (CN))
10:05 PEP-DSOL-1 Discussion
PEP-DSOL-1 Discussion
10:05 - 10:30

10:30 Coffee break
Coffee break
10:30 - 10:50
10:50 DSOL-51
DSOL-51
10:50 - 11:55
Contributions

10:50 DSOL-51 intro - Klaus Schmid (MPG)

10:55 W transport in neon-seeded ELM-free H-mode using ERO2.0/JINTRAC - Henri Kumpulainen (FZJ - Forschungszentrum Julich)

11:10 WEST for edge tungsten transport - Nicolas Fedorczak (CEA)

11:25 SOLEDGE HDG modeling of WEST limiter startup - Ivan Kudashev

11:40 W/Ni erosion and migration in JET limiter configurations - Pyry Virtanen (Aalto University (EU))
11:55 DSOL-51 Discussion
DSOL-51 Discussion
11:55 - 12:15

12:15 Lunch break
Lunch break
12:15 - 13:05
13:05 Special Session on Coatings and Alloys
Special Session on Coatings and Alloys
13:05 - 14:10
Contributions

13:05 Introduction - Tom Wauters (ITER Organization (IO))

13:10 ITER TFW and W coating qualification - Takeshi Hirai

13:25 Development and qualification of thin W coatings on Inconel for COMPASS-U PFC - Renaud Dejarnac (IPPCR - Institute of Plasma Physics AS CR (EU))

13:40 IPP Garching development CS coating + experience with W heavy alloy. - Rudolf Neu (MPG)

13:55 Testing of ITER TFW tiles on WEST - Marianne Richou (CEA)
14:10 Discussion Special Session Coatings and Alloys
Discussion Special Session Coatings and Alloys
14:10 - 14:40
14:40 DSOL-50
DSOL-50
14:40 - 15:30
Contributions

14:40 DSOL-50 intro - Wouter Tierens

14:45 low-density experiments in WEST - laurent COLAS (CEA/IRFM)

15:00 RF-specific impurities in AUG - Volodymyr Bobkov

15:15 Modeling erosion and redeposition with GITR - Atul Kumar (ORNL - Oak Ridge National Laboratory (US))
15:30 Discussion DSOL-50
Discussion DSOL-50
15:30 - 15:50

15:50 Coffee Break
Coffee Break
15:50 - 16:10
16:10 DSOL-34
DSOL-34
16:10 - 17:00
Contributions

16:10 DSOL-34 intro - Nicola Vianello (CNR - Consiglio Nazionale delle Ricerche (EU))

16:15 Unified scaling for farSOL density decay in JET H-mode discharges - Christian Perez von thun (IPPLM (EU))

16:30 SOL flow mesurements and model validation - Richard Ducker (EPFL)

16:45 Enhanced Turbulent Transport and Drift Suppression in Divertors at the Detachment Onset - Rabel Rizkallah (University of California San Diego)
17:00 DSOL-34 Discussion
DSOL-34 Discussion
17:00 - 17:20
17:20 T&C-DSOL session proto-cross-TG
T&C-DSOL session proto-cross-TG
17:20 - 18:20
Contributions

17:20 Towards reduced transport models in the SOL: state of the art and future perspectives - Maurizio Giacomin

17:35 A Pre-trained Variational Autoencoder-based Surrogate Model for Plasma Turbulence - M. Yang

17:50 SOLPS-NN and coupling to JINTRAC - Stefan Dasbach

18:05 From UEDGE to DivControlNN: Surrogate Modeling of SOL/Divertor States for Detachment and Transport Studies - Xueqiao Xu
18:20 T&C-DSOL Discussion
T&C-DSOL Discussion
18:20 - 18:40

19:30 Dinner
Dinner
19:30 - 22:00
Thursday 29 January 2026
08:30 DSOL-37
DSOL-37
08:30 - 09:50
Contributions

08:30 DSOL-37 intro - Manni Jia (CAS - Chinese Academy of Science (CN))

08:35 Divertor Heat Loads and Detachment in RMP scenarios for low-power ITER plasmas - Jonathan Van blarcum (ITER Organization (IO))

08:50 Experiments and modelling of RMP effect on ELM control and divertor flux in EAST - Manni Jia (CAS - Chinese Academy of Science (CN))

09:05 Integrated ELM and divertor flux control using RMPs in HL-3 tokamak - Dongmei FAN (Southwestern Institute of Physics, Chengdu, China)

09:20 Integrating high performance ELM suppression scenario with radiative divertor on DIII-D - Qiming Hu (Princeton Plasma Physics Laboratory)

09:35 Explaining observed potential and drift phenomena in Wendelstein 7-X with the mean-field 3D Braginskii model - Tobias Tork
09:50 DSOL-37 Discussion
DSOL-37 Discussion
09:50 - 10:20

10:20 Coffee break
Coffee break
10:20 - 10:40
10:40 DSOL-44
DSOL-44
10:40 - 12:00
Contributions

10:40 DSOL-44 intro - Emmanuelle Tsitrone (CEA)

10:45 Upgrade of the high-heat-flux device GLADIS for heavy duty operation - long pulses and a high number of cycles to support the development of next generation plasma facing component - Daniel Dickes

11:00 Evolution and impacts of ITER-like W/Cu PFCs with interface cracks in EAST - Dahuan Zhu (ASIPP)

11:15 New observation on crack evolution on the WEST ITER grade divertor - Alan CEA

11:30 Testing crack formation under WEST conditions on a HHF facility - Alan CEA

11:45 Feedback from operating an actively cooled W divertor in KSTAR - tbc
12:00 DSOL-44 Discussion
DSOL-44 Discussion
12:00 - 12:30
Contributions

12:00 Discussion on opening / closing DSOLs

12:15 Closing of meeting and preliminary announcement of next meeting
12:30 Closing Session
Closing Session
12:30 - 15:30
Contributions

12:30 Discussion on closing/opening DSOLs - Sven Wiesen (Differ - Dutch Institute for Fundamental Energy Research (EU)) Alessandro Bortolon (PPPL) Tom Wauters (ITER Organization (IO))

12:50 Meeting Closing - Karl Krieger (IPP - Max-Planck-Institut fÃ¼r Plasmaphysik (EU))