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MT29 Abstracts and Technical Program

1–6 Jul 2025
Omni Boston Hotel at the Seaport
US/Eastern timezone

Conference Management

Session

Fri-Mo-Po.06 - Quench in Fusion Magnets II

4 Jul 2025, 09:30
Ensemble Ballroom, Level 2

Ensemble Ballroom, Level 2

Conveners

Fri-Mo-Po.06 - Quench in Fusion Magnets II

  • Vittorio Di Marzo (Università degli studi di Napoli Federico II)
  • Eva Cuninková (Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava)

Presentation materials

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  1. 119. Fri-Mo-Po.06-01: JT-60SA Central solenoid conductor hotspot risk analysis for high voltage protection
    Louis Zani
    04/07/2025, 09:30
    Poster

    The upgrade to JT-60SA tokamak (R=3m, a=1.2m) was conducted within a Europe-Japan collaboration agreement featuring the implementation of superconducting magnets. In 2021, an arcing issue on EF1 coil led to an overall insulation reinforcement against high voltage on the magnet system. Because the Central Solenoid (CS) is less accessible for repair it deserves specific attention related to its...

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  2. 653. Fri-Mo-Po.06-02: Effects of Cryogenic Irradiation on Optical Fiber Sensors based on Brillouin Scattering and Type-II Bragg Gratings for Fusion Magnet Monitoring
    Mr Matthew Leoschke (The Pennsylvania State University)
    04/07/2025, 09:30
    Poster

    Optical fiber sensors are gaining attention as a promising technology for magnet monitoring and quench detection in fusion reactors. These sensors enable precise measurement of strain and temperature profiles within superconducting magnets and their integration into superconducting wires and cables has been demonstrated as viable. However, when embedded into fusion magnet systems, these...

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  3. 810. Fri-Mo-Po.06-03: Quench simulation of partially insulated STEP TF model coil using Quanscient-Allsolve
    Jiabin Yang (UK Atomic Energy Authority)
    04/07/2025, 09:30
    Poster

    The STEP (Spherical Tokamak for Energy Production) program in UKAEA aims to develop a large-scale high-temperature superconducting (HTS) toroidal field (TF) model coil over four years, with plans to scale it up to a full-size TF coil. The TF model coil (TFMC), with approximate dimensions of 1m × 2m and a terminal current reaching up to 100kA, serves as part of the risk retirement program for...

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  4. 804. Fri-Mo-Po.06-04: A European Phased RD&D Program for Quench Protection of Large-Scale HTS Magnets
    Lorenzo Giannini (EUROfusion)
    04/07/2025, 09:30
    Poster

    A European Research, Development & Demonstration (RD&D) program is being proposed by EUROfusion and partners to address key challenges and demonstrate the feasibility of safely quench-protecting large-scale High-Temperature Superconducting (HTS) magnets. This initiative is designed to pave the way for the development and deployment of HTS magnets in large tokamaks. The program is divided in...

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  5. 441. Fri-Mo-Po.06-05: Time and Frequency Domain Reflectometry for Quench Monitoring in Superconducting Magnets
    Dr Shailendra Singh Chouhan (United Kingdom Industrial Fusion Solutions Ltd.)
    04/07/2025, 09:30
    Poster

    High-temperature superconductors (HTS) are increasingly being used to build
    electromagnets to generate strong magnetic fields for a wide range of applications,
    from medical devices and electric motors to future fusion reactors. These
    superconductors are subject to quenching, a phenomenon that manifests itself as a
    rapid rise in the temperature of the HTS material, leading to a loss of...

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