Conference Agenda

2026 Transport Taskforce Workshop Agenda

Monday, May 4, 2026

4:30-7:30pm - Welcome and Registration.

Tuesday, May 5, 2026

8:00am-8:45am - Breakfast

8:45am-9:00am - Welcome and Introduction (Wilks)

Plenary I: Small and No ELM Regimes (Orlov)

9:00am-9:30am: "A unified nonlinear regime map for tokamak edge Dynamics" (N. Li)

9:30am-10:00am: "Self-Regulation of Global, Pedestal-Scale Modes in a Low-Collisionality, Peeling-Limited Grassy ELM Regime" (Z. Li)

10:00am-10:30am: Discussion

10:30am-11:00am - Coffee and Tea Break

Contributed I: ELM Mitigated Regimes (Vanovac)

11:00am-11:15am: "Effects of RMP on Particle Transport in the DIII-D Tokamak" (J. Loughran)

11:15am-11:30am: "Signatures of the QCM in the EDA and QCE H-modes from ASDEX Upgrade and Alcator C-Mod" (J.Schellpfeffer)

11:30am-11:45am: "Critical Parameters and Impacts of Edge Harmonic Oscillation Persistence in Wide-Pedestal QH-Mode" (R. Meyers)

11:45am-12:00pm: "Extended-MHD modeling of Wide Pedestal and standard Quiescent H-mode DIII-D plasmas using the NIMROD code" (J. Duran)

12:00pm-12:30pm: Discussion

12:30pm-2:00pm - Lunch

2:00pm-3:30pm - Poster Session I (Sophia's)

3:30pm-4:00pm - Coffee and Tea Break

Contributed II: SOL Turbulence and Transport (Wilks)

4:00pm-4:15pm: "Latent-Space Surrogates for SOL/Divertor Detachment: From UEDGE Physics to Reduced Transport Modeling" (X. Xu)

4:15pm-4:30pm: "A coherent structure transport model for scrape-off layer turbulence" (Z. Feng)

4:30pm-4:45pm: "A mechanism for spontaneous ExB shear formation in the SOL" (B. Shanahan)

4:45pm-5:00pm: "From limited to diverted: Study of the role of the scrape-off layer flows on the L-H transition by opening the gap to the center post at DIII-D" (R. Gerru)

5:00pm-5:30pm: Discussion

6:00pm: Reception

Wednesday, May 6, 2026

8:00am-9:00am - Breakfast

Plenary II: Predicting Scenarios for Future Devices (Snyder)

9:00am-9:30am: "Core to Edge, Physics-Based and Nonlinear Gyrokinetic Modeling of SPARC Q >1 Operational Space in 8 - 9T H-mode Plasmas" (N. Howard)

9:30am-10:00am: "Turbulence-based predictions of core plasma performance for the Infinity Two stellarator Fusion Pilot Plant" (N. Mandell)

10:00am-10:30am: Discussion

10:30am-11:00am - Coffee and Tea Break

Contributed III: SPARC and ARC Edge Physics (Bass)

11:00am-11:15am: "Pedestal and Edge Physics Progress and Plans for SPARC and ARC" (P. Snyder)

11:15am-11:30am: "Detachment models for core-edge integrated modelling" (T. Body)

11:30am-11:45am: "Effect of detachment and impurity transport on the fusion performance of ARC" (M. Muraca)

11:45am-12:00pm: "ASTRA simulations for SPARC L-mode Scenarios including Tungsten" (M. Bergmann)

12:00pm-12:30pm: Discussion

12:30pm-2:00pm - Lunch

Contributed IV: Future Device Modeling (Dudson)

2:00pm-2:15pm: "Mapping the ITER operating space with physics-based turbulent transport: a 1.5-million-case parametric study" (T. Slendebroek)

2:15pm-2:30pm: "Verification of time-dependent density profile predictions of reduced-order turbulence models in high collisionality plasmas" (A. Ho)

2:30pm-2:45pm: "Steady state optimization of operationally controllable parameters on the ARC tokamak" (A. Saltzman)

2:45pm-3:00pm: "Gyrokinetic modeling of fast ion turbulence stabilization in ARC burning plasma scenarios" (J. Hall)

3:00pm-3:30pm: Discussion

3:30pm-4:00pm - Coffee and Tea Break

Contributed V: Core Turbulence and Transport Modeling (Ho)

4:00pm-4:15pm: "Standardizing extended-MHD outputs for ML-ready studies of ELM-free scenarios in tokamaks" (A. Pankin)

4:15pm-4:30pm: "Full-f simulations of a tokamak device with fluctuations on all scales" (J. Mencke)

4:30pm-4:45pm: "Global gyrokinetic comparison of edge turbulent transport in small-ELM and type-I ELM regimes at JETL" (M. Dicorato)

4:45pm-5:15pm: Discussion

6:30pm: Banquet

Thursday, May 7, 2026

8:00am-9:00am - Breakfast

Plenary III: Neutral Transport and High Density Effects (Wilks)

9:00am-9:30am: "Constraining neutral transport in DIII-D: a multi-diagnostic approach with DEGAS2" (Q. Pratt)

9:30am-10:00am: "Turbulence and flow dynamics approaching the density limit in L-mode plasmas at DIII-D" (Z. Yan)

10:00am-10:30am: Discussion

10:30am-11:00am - Coffee and Tea Break

Contributed VI: High Density Effects and Fundamental Turbulence (Orlov)

11:00am-11:15am: "Statistical Turbulence and Transport properties at High Greenwald Fraction - a New Look at the H-mode Density Limit and its Power Scaling" (L. Schmitz)

11:15am-11:30am: "Microphysics of Edge Turbulence Approaching the Density Limit" (P. Sheng)

11:30am-11:45am: "Heat Flux Jamming and Corrugation Patterns" (P. Diamond)

11:45am-12:00pm: "Staircase Formation and Transport Regulation in a Flux-Driven Turbulence-Transport Model" (F. Ramirez)

12:00pm-12:30pm: Discussion

12:30pm-2:00pm - Lunch

2:00pm-3:30pm - Poster Session II

3:30pm-4:00pm - Coffee and Tea Break

Contributed VII: Fast Ions and Waves (Dudson)

4:00pm-4:15pm: "Observation of Alfvén eigenmodes in LTX-β" (S. Banerjee)

4:15pm-4:30pm: "Impact of fast ions and fishbones on core turbulence via global GENE simulations" (D.Brioschi)

4:30pm-4:45pm: "Intermittent Filaments Driven by High Harmonic Fast Waves Reduce Divertor Peak Heat Flux" (K. Gan)

4:45pm-5:00pm: "Impact of n > 1 neoclassical tearing modes on fast ions, plasma rotation, and the onset of disruptive tearing modes in DIII-D ITER baseline scenario" (A.. Brown)

Friday, May 8, 2026

8:00am-9:00am - Breakfast

Plenary IV: Energetic Ions and Fundamental Turbulence (Bass)

9:00am-9:30am: "Strong suppression of ITG turbulence by Alfvén-eigenmode excited zonal modes" (B. Heidbrink)

9:30am-10:00am: "Argon pumpout by ICRF three-ion heating in Alcator C-Mod and WEST with projections for tungsten in SPARC" (C. Perks)

10:00am-10:30am: "How nonlinear spectral back transfer limits the temporal coherency of zonal modes?" (R. Singh)

10:30am-11:00am: Discussion

11:00am-11:15am - Adjourn and Student Prizes (Wilks)

11:30am: CFS Tour Attendees receive bag lunch and load bus

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