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MFE: Stellarator Research II

ORAL · UO05 · ID: 3571483

Presentations

  • Gradient-based single-stage dipole optimization

    ORAL

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    Publication: 1. Kappel, J., Landreman, M., & Malhotra, D. (2024). The Magnetic Gradient Scale Length Explains Why Certain Plasmas Require Close External Magnetic Coils. Plasma Physics and Controlled Fusion, 66(2), 025018. https://doi.org/10.1088/1361-6587/ad1a3e<br>2. Fu, L., Paul, E. J., Kaptanoglu, A. A., & Bhattacharjee, A. (2025). Global Stellarator Coil Optimization With Quadratic Constraints and Objectives. Nuclear Fusion, 65(2), 026045. https://doi.org/10.1088/1741-4326/ada810<br>3. Qian, T. M., Chu, X., Pagano, C., Patch, D., Zarnstorff, M. C., Berlinger, B., Bishop, D., Chambliss, A., Haque, M., Seidita, D., & Zhu, C. (2023). Design and Construction of the MUSE Permanent Magnet Stellarator. Journal of Plasma Physics, 89(5), 955890502. https://doi.org/10.1017/S0022377823000880<br>4. Gates, D. A., Aslam, S., Berzin, B., Bonofiglo, P., Cote, A., Dudt, D. W., Flom, E., Fort, D., Koen, A., Kruger, T. G., Kumar, S. T. A., Martin, M. F., Ottaviano, A., Pasmann, S., Romano, P. K., Swanson, C. P. S., Tang, L., Winkler, E., & Wu, R. (2025). Stellarator Fusion Systems Enabled by Arrays of Planar Coils. Nuclear Fusion, 65(2), 026052. https://doi.org/10.1088/1741-4326/ada56c<br>5. Kaptanoglu, A. A., Conlin, R., & Landreman, M. (2023). Greedy Permanent Magnet Optimization. Nuclear Fusion.<br>6. Nuclear Fusion, 60(10), 106002. https://doi.org/10.1088/1741-4326/aba453<br>7. Yu, G., Liu, K., Qian, T., Xie, Y., Nie, X., & Zhu, C. (2024). Quasi-Single-Stage Optimization for Permanent Magnet Stellarators. Nuclear Fusion, 64(7), 076055. https://doi.org/10.1088/1741-4326/ad521c

    Presenters

    • Lanke Fu

      Princeton University

    Authors

    • Lanke Fu

      Princeton University

    • Alan A Kaptanoglu

      New York University, Courant Institute

    • Elizabeth J Paul

      Columbia University

    • Amitava Bhattacharjee

      Princeton University

    View abstract →

  • Trends from the DESC omnigenity stellarator database

    ORAL

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    Presenters

    • Rahul Gaur

      Princeton University

    Authors

    • Rahul Gaur

      Princeton University

    • Yigit Elmacioglu

      Princeton University

    • Victor F Pacheco

      CIEMAT

    • Dario Panici

      Princeton University

    • Greta Isabella Hibbard

      Ohio University

    • Jose Luis Velasco

      CIEMAT

    • Daniel William Dudt

      Thea Energy

    • Rory Conlin

      University of Maryland

    • Michael Churchill

      Princeton Plasma Physics Laboratory (PPPL), Princeton Plasma Physics Laboratory

    • Egemen Kolemen

      Princeton University

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  • Non-planar, no-insulation ReBCO coils for an optimized tabletop stellarator

    ORAL

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    Publication: [1] "A Non-planar ReBCO Test Coil with 3D-printed Aluminum Support Structure for the EPOS Stellarator." P. Huslage at al. submitted to IEEE Transactions on Applied Superconductivity. https://arxiv.org/abs/2505.08488.<br><br>[2] "Strain Optimization for ReBCO High-Temperature Superconducting Stellarator Coils in SIMSOPT." P. Huslage, E. J. Paul, M. Haque. P. F. Gil, N. Foppiani, J. Smoniewski, E. V. Stenson. Journal of Plasma Physics , Volume 91 , Issue 2 , April 2025 , E71.<br>https://doi.org/10.1017/S0022377825000224<br><br>[3] "Winding angle optimization and testing of small-scale, non-planar, high-temperature superconducting stellarator coils." P Huslage, D Kulla, J-F Lobsien, T Schuler, E V Stenson. Supercond. Sci. Technol. 37, 085010 (2024).<br>https://dx.doi.org/10.1088/1361-6668/ad5382<br><br>[4] "JANUS: A Robust ReBCO Tape Design for Increased Performance in Magnetic Fields" Paul Huslage. IEEE Transactions on Applied Superconductivity, Volume 34, Issue 5, 6601604 (2024).<br>https://doi.org/10.1109/TASC.2024.3362775<br><br>[5] EPOS: A Stellarator to confine electron positron plasmas using ReBCO High-Temperature Superconductors. P. Huslage et al. to be submitted to Fusion Engineering and Design.

    Presenters

    • Paul Huslage

      Max Planck Institute for Plasma Physics, Max-Planck Institute for Plasma Physics

    Authors

    • Paul Huslage

      Max Planck Institute for Plasma Physics, Max-Planck Institute for Plasma Physics

    • Eve Virginia Stenson

      Max Planck Institute for Plasma Physics

    • Pedro F Gil

      Max Planck Institute for Plasma Physics

    • Jason Smoniewski

      Max Planck Institute for Plasma Physics

    • Tristan Schuler

      SchulerTEC

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  • Bayesian stellarator coil design

    ORAL

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    Presenters

    • Sehyun Kwak

      Max Planck Institute for Plasma Physics

    Authors

    • Sehyun Kwak

      Max Planck Institute for Plasma Physics

    • Andrea Pavone

      Max Planck Institute for Plasma Physics

    • Felix Warmer

      Max Planck Institute for Plasma Physics, TU Eindhoven

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  • Experimental characterization of transport effects of internal magnetic islands in Wendelstein 7-X

    ORAL

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    Presenters

    • Ramon Lopez Cansino

      University of Sevilla

    Authors

    • Ramon Lopez Cansino

      University of Sevilla

    • Eleonora Viezzer

      Universidad de Sevilla, Sevilla, Spain, Department of Atomic, Molecular and Nuclear Physics, University of Seville, Av. Reina Mercedes, Seville, 41012, Spain

    • Valeria Perseo

      Max Planck Institute for Plasma Physics

    • Oliver Ford

      Max Planck Institute for Plasma Physics, Max-Planck-Institute for Plasma Physics (IPP Greifswald), Max Planck Institute for Plasma Physics, Greifswald, Germany

    • D. M. Matthew Kriete

      Auburn University

    • Carsten Killer

      Max Planck Institute for Plasma Physics

    • Felix Reimold

      Max Planck institute of plasma physics, Greifswald

    View abstract →

  • Relation Between Magnetic Geometry and Stellarator Confinement using Data-Driven Methods

    ORAL

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    Publication: P. Curvo, D. R. Ferreira, R. Jorge 2025. "Using deep learning to design high aspect ratio fusion devices." Journal of Plasma Physics 91(1), E38<br>R. Laia, R. Jorge, G. Abreu 2025. "Data-Driven Approach to Model the Influence of Magnetic Geometry in the Confinement of Fusion Devices." arXiv:2507.03776

    Presenters

    • Rogerio Jorge

      Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA

    Authors

    • Rogerio Jorge

      Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA

    • Rodrigo Laia

      Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal

    • Gonçalo Abreu

      Alfredo AI

    View abstract →

  • Alpha-particle orbits near rational flux surfaces in stellarators

    ORAL

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    Publication: Planned papers: <br>1. Energetic-particle orbits near rational flux surfaces in stellarators: I. Passing particles<br>2. Energetic-particle orbits near rational flux surfaces in stellarators: II. Semi-trapped particles<br>3. Alpha-particle orbits in stellarators: finite-gyroradius effects

    Presenters

    • Thomas Edward Foster

      Princeton University

    Authors

    • Thomas Edward Foster

      Princeton University

    • Felix I Parra

      Princeton Plasma Physics Laboratory (PPPL)

    • Roscoe B White

      Princeton Plasma Physics Laboratory (PPPL)

    • Jose Luis Velasco

      CIEMAT

    • Ivan Calvo

      Laboratorio Nacional de Fusion, CIEMAT

    • Elizabeth J Paul

      Columbia University

    View abstract →

  • Computing Invariant Tori for Energetic Particles

    ORAL

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    Publication: Ruth, Maximilian, Jackson Kulik, and Joshua Burby. Robust computation of higher-dimensional invariant tori from individual trajectories. arXiv preprint arXiv:2505.08715 (2025).

    Presenters

    • Max Ruth

      Institute for Fusion Studies, University of Texas at Austin

    Authors

    • Max Ruth

      Institute for Fusion Studies, University of Texas at Austin

    • Jackson Kulik

      Utah State University

    • Joshua W Burby

      University of Texas at Austin

    View abstract →

  • First X3-operation and density feedback experiments with ECRH at the stellarator Wendelstein 7-X

    ORAL

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    Publication: [1] Polei et al. Nuclear Fusion to be submitted

    Presenters

    • Torsten Stange

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics, 17491 Greifswald

    Authors

    • Torsten Stange

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics, 17491 Greifswald

    • Laurent Krier

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max-Planck-Institute for Plasma Physics, Greifswald, Germany

    • Niklas Simon Polei

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Juergen Baldzuhn

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics, Max Planck Institute for Plasma Physics, 17491 Greifswald

    • Sergey Bozhenkov

      Max Planck Institute for Plasma Physics, Greifswald, Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Kai Jakob Brunner

      Max Planck Institute for Plasma Physics, Greifswald, Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Andreas Dinklage

      Max Planck Institute for Plasma Physics, Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Oliver Ford

      Max Planck Institute for Plasma Physics, Max-Planck-Institute for Plasma Physics (IPP Greifswald), Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Golo Fuchert

      Max Planck Institute for Plasma Physics, Greifswald, Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Olaf Grulke

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Kenneth C Hammond

      Princeton Plasma Physics Laboratory (PPPL), Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ, USA

    • Matthias Hirsch

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Marcin Jakubowski

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Jens Knauer

      Max Planck Institute for Plasma Physics, Greifswald, Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Andreas Langenberg

      Max Planck Institute for Plasma Physics, Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Heinrich P Laqua

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics

    • Stefan Marsen

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max-Planck-Institute for Plasma Physics, Greifswald, Germany

    • Dmitry Moseev

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Hans Oosterbeek

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Burkhard Plaum

      Institute for Interfacial Process Eng. & Plasma Technol. (IGVP), University Stuttgart, Germany

    • Sergey Ponomarenko

      Max-Planck-Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Kian Rahbarnia

      Max Planck Institute for Plasma Physics, Greifswald, Germany, Max Planck Institute for Plasma Physics, Greifswald

    • Adrian v von Stechow

      Max Planck Institute for Plasma Physics, Greifswald, Max Planck Institute for Plasma Physics, Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Edgardo Villalobos

      Max Planck Institute of Plasma Physics, Greifswald, Germany, Max Planck Institute of Plasma Physics, Greifswald

    • Robert C Wolf

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    • Jonas Zimmermann

      Max Planck Institute for Plasma Physics, Greifswald, Germany

    View abstract →

  • Effect of boron powder injection on the density limit in the Large Helical Device

    ORAL

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    Publication: Impurity powder injection experiments in the Large Helical Device, Journal of Fusion Energy, Submitted 2025

    Presenters

    • Federico Nespoli

      Princeton Plasma Physics Laboratory (PPPL)

    Authors

    • Federico Nespoli

      Princeton Plasma Physics Laboratory (PPPL)

    • Kenji Tanaka

      National Institute for Fusion Science

    • Suguru Masuzaki

      National Institute for Fusion Science

    • Mamoru Shoji

      National Institute for Fusion Science

    • Robert A. Lunsford

      Princeton Plasma Physics Laboratory (PPPL)

    • Gen Motojima

      National Institute for Fusion Science

    View abstract →

  • Summary of the Stellarator Technology and Advanced Research Strategies (STARS) Report

    ORAL

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    Presenters

    • Novimir A Pablant

      Princeton Plasma Physics Laboratory (PPPL)

    Authors

    • Novimir A Pablant

      Princeton Plasma Physics Laboratory (PPPL)

    • Adelle M Wright

      University of Wisconsin-Madison

    • Diane R Demers

      Xantho Technologies, LLC

    • Benedikt Geiger

      University of Wisconsin - Madison

    • Walter Guttenfelder

      Type One Energy Group

    • Matthias Knolker

      General Atomics

    • D. M. Matthew Kriete

      Auburn University

    • Bartosz Lomanowski

      Oak Ridge National Laboratory

    • Felix I Parra

      Princeton Plasma Physics Laboratory (PPPL)

    • Elizabeth J Paul

      Columbia University

    • Charles P.S. Swanson

      Thea Energy

    View abstract →