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    Thermal hydraulics and mechanics
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    Event
    23rd Annual Meeting of the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS)
    16 - 20 February 2026
    NEA headquarters (46, quai Alphonse Le Gallo, 92100 Boulogne-Billancourt, France), remote access only under exceptional circumstances

    Under the guidance of the NEA  Nuclear Science Committee (NSC), the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) studies the reactor physics, fuel performance...

    Nuclear science Multiphysics Radiation transport and shielding Thermal hydraulics and mechanics Reactor physics …
    Published date: 27 June 2025
    Activity
    International School on Simulation of Nuclear Reactor Systems (SINUS)

    The International School on Simulation of Nuclear Reactor Systems (SINUS) provides hybrid, hands-on-training encompassing multiphysics modelling and simulation (M&S) and associated validation, verifi...

    Nuclear science EGRFP WPRS Multiphysics Radiation transport and shielding Thermal hydraulics and mechanics EGTHM Reactor physics Reactor fuel performance EGMUP NSC SINUS EGPRS Training …
    Published date: 10 July 2025
    Event
    WPRS Benchmarks Workshops 2025
    30 June 2025 - 4 July 2025
    Trumpington Street, CB2 1PZ, Cambridge, United Kingdom

    The next annual Benchmarks Workshops of the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) will be hosted by the Department of Engineering of the University of ...

    Nuclear science Artificial Intelligence WPRS Multiphysics Thermal hydraulics and mechanics Reactor physics Reactor fuel performance Multiphysics Reactor physics Machine Learning Nuclear science Benchmark …
    Published date: 27 June 2025
    News
    Scientific updates on advanced nuclear fuel cycle research

    Expertise in fuel‑cycle physics and chemistry remains essential for deploying advanced reactor systems, especially as many countries intensify their energy‑transition efforts.

    Nuclear fuel WPFC News brief Fuel studies Liquid metal reactors Thermal hydraulics and mechanics Reactor fuel performance NSC Nuclear innovation Fuel cycle technology Nuclear science Partitioning and transmutation Fuel cycle physics and chemistry …
    Published date: 17 June 2025
    Activity
    TVA Watts Bar Unit 1 Multi-Physics Benchmark

    TVA Watts Bar Unit 1 Multi-Physics Benchmark

    Multi-physics simulations Nuclear science WPRS Multiphysics Benchmark Thermal hydraulics and mechanics Reactor physics EGMUP …
    Published date: 16 June 2025
    Event
    22nd Meeting of the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS)
    17 - 21 February 2025
    NEA headquarters (46, quai Alphonse Le Gallo, 92100 Boulogne-Billancourt, France), remote access only under exceptional circumstances

    Under the guidance of the NEA  Nuclear Science Committee (NSC), the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) studies the reactor physics, fuel performanc...

    Nuclear science EGRFP EGRRS WPRS Multiphysics Radiation transport and shielding Thermal hydraulics and mechanics EGTHM Reactor physics Reactor fuel performance EGMUP NSC Nuclear science …
    Published date: 27 November 2024
    Activity
    Working Party on Scientific Issues of Advanced Fuel Cycles (WPFC)

    The Working Party on Scientific Issues of Advanced Fuel Cycles (WPFC) studies advanced nuclear fuel cycles, including fuel cycle scenarios, innovative fuels and materials, separation chemistry, waste...

    Nuclear fuel WPFC Fuel studies Nuclear science Liquid metal reactors Thermal hydraulics and mechanics Reactor fuel performance NSC Nuclear innovation Fuel cycle technology Partitioning and transmutation Fuel cycle physics and chemistry …
    Published date: 1 October 2024
    Activity
    State-of-the-art Report on the Effects of Liquid metal Coolants on Materials

    The Expert Group on Reactor Coolants/Components Technology (EGCoCoT), operating under the auspices of the Working Party on Scientific Issues of Advanced Fuel Cycles (WPFC), launched an activity to pr...

    Material science Nuclear science Materials science Thermal hydraulics EGCoCoT Nuclear science Thermal hydraulics and mechanics Fuel cycle physics and chemistry …
    Published date: 12 August 2024
    News
    Addressing validation challenges of advanced reactor single- and multi-physics modelling and simulations

    WPRS organised annual benchmarks workshop.

    News brief Nuclear science WPRS Multiphysics Thermal hydraulics and mechanics Reactor physics Reactor fuel performance Multiphysics Reactor physics Nuclear science Benchmark …
    Published date: 12 June 2024
    Event
    WPRS Benchmarks Workshops 2024
    19 - 23 May 2024
    Lucca, Italy

    The annual Benchmark Workshops of the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) was co-located with the BEPU 2024 conference and hosted by N.IN.E. (Nuclear...

    Nuclear science WPRS Multiphysics Thermal hydraulics and mechanics Reactor physics Reactor fuel performance Multiphysics Reactor physics Nuclear science Benchmark …
    Published date: 31 May 2024
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