International Stellarator & Heliotron Workshop 2019 Agenda
| Monday | September 23rd | |
| 8:00 | Registration | Outside Tripp Commons |
| 8:45 | Welcome | Oliver Schmitz |
| 9:00-12:00 | Session Chair: Thomas S. Pedersen | |
| 9:00 | Overview of W7-X Results in the Operation Phase OP1.2 | Heinrich Laqua |
| 9:30 | Performance Integration and Isotope Effect on the Confinement of High Temperature Plasmas in the Large Helical Device | Hiromi Takahashi |
| 10:00 | Response of Plasma Performance to Magnetic Configuration, Fuelling and Heating/Current Drive in Heliotron J | Kazunobu Nagasaki |
| 10:30 | Coffee Break | |
| 11:00 | The Dependence of TEM Turbulence on Geometry in Experiment and Simulation of the HSX Stellarator through Heat Fluxes, Density Fluctuations, and Zonal Flow Damping | Jason Smoniewski |
| 11:30 | Turbulence and Plasma Flow Asymmetries Measured Using Doppler Reflectometry at TJ-II Plasmas | Teresa Estrada |
| 12:00 | Lunch Break | |
| 13:30-18:00 | Session Chair: Amitava Bhattacharjee | |
| 13:30 | Hidden Symmetries and Fusion Energy: A New Project for Stellarator Optimization | Amitava Bhattacharjee |
| 14:00 | Towards Novel Quasi-axisymmetric Stellarator Designs | Sophia Henneberg |
| 14:30 | Optimized Stellarators without Optimization: Direct Construction of Stellarator Shapes with Good Confinement | Matt Landreman |
| 15:00 | Adjoint Methods for Efficient Stellarator Optimization and Sensitivity Analysis | Elizabeth Paul |
| 15:30 | Coffee Break | |
| 16:00 | Optimization of Quasi-Helically Symmetric Stellarators | Aaron Bader |
| 16:30 | The Role of 3D Geometry on Reducing Turbulent Transport in Stellarators | Benjamin Faber |
| 17:00 | Accelerated Methods for Direct Computation of Fusion Alpha Losses within Stellarator Optimization | Christopher Albert |
| 17:20 | Simpler Stellarator Coils Using Permanent Magnets | Michael Zarnstorff |
| 18:00 | Welcome Reception with The Krause Family Band | Main Lounge |
Tuesday | September 24th | |
| 8:00 | Registration | Outside Tripp Commons |
| 9:00-12:00 | Session Chair: Boyd Blackwell | |
| 9:00 | Physical and Engineering Designs for Chinese First Quasi-axisymmetric Stellarator (CFQS) | Yuhong Xu |
| 9:30 | Impact of Magnetic Topology on Transport Processes in Large Non-Axisymmetric Devices | Felix Warmer |
| 10:00 | Study of Isotope Effects from the Viewpoint of Turbulence Observation in LHD | Tokihiko Tokuzawa |
| 10:30 | Coffee Break | |
| 11:00 | Using a Stellarator for Steady State PMI Experiments | Daniel Andruczyk |
| 11:20 | Particle Balance in Turbulent and Neoclassical Transport of Helical Plasmas | Masanori Nunami |
| 11:40 | Observation of Isotope separating and Mixing States in the Hydrogen-Deutrium Mixture Plasmas | Katsumi Ida |
| 12:00 | Lunch Break | |
| 14:00-15:30 | Session Chair: Carlos Hidalgo | |
| 14:00 | Validation of Neoclassical Ambipolar Radial Electric Fields in Ion-Root Plasmas on Wendelstein 7-X | Novimir Pablant |
| 14:30 | Effect of Neutral Friction on Parallel Ion Flow in a Quasi-symmetric Stellarator | Santhosh Kumar |
| 15:00 | Fast calculation of Neoclassical Transport of Energy and Impurities in Arbitrary Stellarator Geometry with the Code KNOSOS | Jose Luis Velasco |
| 15:30 | Poster Session | Main Lounge |
| 17:00 | Coordinated Working Group Meeting | Tripp Commons |
| 17:00 | IEA Stellarator Implementing Agreement Executive Committee Meeting | State Room |
Wednesday | September 25th | |
| 8:00 | Registration | Outside Tripp Commons |
| 9:00-12:00 | Session Chair: Robert Wolf | |
| 9:00 | Experimental Study of the Impurity Transport in W7-X based on laser blow-off injections | Benedikt Geiger |
| 9:30 | Edge Plasma Properties from the First Island Divertor Campaign at Wendelstein 7-X | Matthias Otte |
| 10:00 | Towards Steady-State Operation of the Island Divertor at Wendelstein 7-X | Marcin Jakubowski |
| 10:30 | Coffee Break | |
| 11:00 | Fuel Species Effects on Impurity Radiation and Energy Confinement Time in Detachment Discharges with RMP Application in LHD | Masahiro Kobayashi |
| 11:20 | Radiative Power Exhaust in the Island Divertor and Access to Controlled Detachment with Impurity Seeding | Florian Effenberg |
| 11:40 | Enhanced Helium Exhaust in 3D Edge Plasmas during Elm Suppression at DIII-D | Edward Hinson |
| 12:00 | Lunch Break | |
| 12:00 | Program Committee for the Large Helical Device (LHD) | State Room |
| 14:00-15:30 | Session Chair: David Anderson | |
| 14:00 | Impurity Transport Studies Using Tespel in Stellarators: A Comparison Between W7-X and LHD | Naoki Tamura |
| 14:30 | Simulation of Plasma Filaments in Stellarator Geometries with BSTING | Brendan Shanahan |
| 15:00 | On the Impact of Sheared Radial Electric Fields on Edge-SOL Coupling | Boudewijn van Milligen |
| 15:30 | Social Program | |
Thursday | September 26th | |
| 8:00 | Registration | Outside Tripp Commons |
| 9:00-12:00 | Session Chair: Josefine Proll | |
| 9:00 | Density Turbulence Reduction by Equilibrium Profile Gradient Control in W7-X | Adrian von Stechow |
| 9:30 | Heat Pulse Propagation and Core Turbulence Measurements on the Optimized Stellarator Wendelstein 7-X | Gavin Weir |
| 10:00 | Global Gyrokinetic PIC Simulations for Stellarators and Heliotrons with Emphasis on Experimentally Relevant Scenarios | Alexey Mishchenko |
| 10:30 | Coffee Break | |
| 11:00 | Global Gyrokinetic Simulations of Ion Temperature Gradient-driven Instabilities with XGC-S | Michael Cole |
| 11:20 | Kinetic Ballooning Modes During High Density Operation in W7-X | Ksenia Aleynikova |
| 11:40 | Reduced Model of Turbulent Transport in Helical Plasmas Including Effects of Zonal Flows and Trapped Electrons | Shinichiro Toda |
| 12:00 | Lunch Break | |
| 14:00-15:40 | Session Chair: Tomohira Morisaki | |
| 14:00 | Fast Ion Confinement in the 3D Helical Reversed Field Pinch | Jay Anderson |
| 14:20 | 2D Distribution of Plasma Potential and Density in the ECRH Plasmas in the TJ-II Stellarator | Alexander Melnikov |
| 14:40 | Ion Heating by Cryogenic Pellet Injection | Per Helander |
| 15:00 | The HPI2 Code as a Tool to Understand the Underlying Physics of Cryogenic Pellet Injection in the Stellarators TJ-II, Heliotron-J and W7-X | Nerea Panadero |
| 15:20 | Impact of Pressure Anisotropy on 3D Equilibrium and its Identification of High-beta LHD Plasma | Yasuhiro Suzuki |
| 15:40 | Poster Session 2 | Main Lounge |
| 18:00 | Conference Dinner | Vintage Brewing Company Sauk City |
Friday | September 27th | |
| 8:00 | Registration | Outside Tripp Commons |
| 9:00-12:00 | Session Chair: Oliver Schmitz | |
| 9:00 | Studies of the Energetic Ion Confinement in LHD by Using Neutron Measurement and Integrated Codes | Hideo Nuga |
| 9:30 | Hybrid Simulations of Alfvén Eigenmode Induced Fast-Ion Losses and its Validation with the Scintillator-Based Fast-Ion Loss Detector in LHD | Ryohsuke Seki |
| 10:00 | Ion Kinetic Effects on Pressure Driven MHD Instabilities in Helical Plasmas | Masahiko Sato |
| 10:30 | Coffee Break | |
| 11:00 | Drift Effects on W7-X Edge Heat and Particle Fluxes | Kenneth Hammond |
| 11:20 | Properties of the Shear Layer and SOL Turbulence at W7-X | Andreas Krämer-Flecken |
| 11:40 | Particle Exhaust and Neutral Compression in the Wendelstein 7-X Stellarator | Uwe Wenzel |
| 12:00 | Closing Remarks | |
| 14:00 | Simons Collaboration Meeting | Tripp Commons |
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