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    Nuclear science
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    Event
    Nuclear Futures: Shaping Dialogue in a Changing World
    5 - 6 August 2025
    Leighton Hall, University of New South Wales (UNSW) Sydney, Australia

    Within the framework of the NEA Global Forum on Nuclear Education, Science, Technology and Policy's Working Group 3, Rethinking the relationship between nuclear energy and society, the NEA, in co-ope...

    Human aspects of nuclear safety Australia Economic aspects of radioactive waste management Nuclear science Capacity building and gender Organisational aspects of decommissioning and legacy management Stakeholder engagement Public communication Human and organisational factors Societal aspects of radioactive waste management …
    Published date: 13 June 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: 19 June 2025
    Activity
    TVA Watts Bar Unit 1 Reactor Pressure Vessel Fluence Benchmark

    Expert Group on Physics of Reactor Systems (EGPRS) Benchmark for reactor pressure vessel (RPV) fluence simulations based on TVA Watts Bar Unit 1

    Nuclear science EGPRS WPRS Benchmark Radiation transport and shielding Reactor physics …
    Published date: 19 June 2025
    Activity
    NEST Improving Cross-disciplinary and Transversal Skills for the Severe Accidents Community (TCOFF-II)

    Led by the French Alternative Energies and Atomic Energy Commission (CEA), the TCOFF-II initiative aims to enhance expertise and knowledge dissemination in thermodynamics modelling applied to materia...

    Material science Nuclear science Materials science Education Nuclear Education, Skills and Technology (NEST) Framework Nuclear science Training …
    Published date: 19 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
    Other
    Proceedings of First Specialists' Meeting on Shielding Aspects of Accelerators, Targets, and Irradiation Facilities

    10.1787/g2gh1c3f-en

    Proceedings of the First Specialists' Meeting on Shielding Aspects of Accelerators, Targets, and Irradiation Facilities (SATIF) at Arlington, USA on 28-29 April 1994.

    Reactor physics Nuclear science Radiation shielding Nuclear science Radiation transport and shielding Proceedings Reactor physics …
    Published date: 13 June 2025
    Publications and Reports
    Core Monitoring for Commercial Reactors: Improvements in Systems and Methods

    DOI: 10.1787/9789264181526-en

    Workshop Proceedings, Stockholm, Sweden, 4-5 October 1999

    The opening of energy markets is leading to increased competition, and the nuclear power industry must adapt if ...

    English Nuclear science Proceedings
    Published date: 13 June 2025
    Publications and Reports
    Shielding Aspects of Accelerators, Targets and Irradiation Facilities - SATIF 4

    10.1787/9789264173378-en

    Over the last 50 years particle accelerators have evolved from simple devices to powerful machines, and will continue to have an important impact on research, technology and ...

    English Nuclear science EGPRS Nuclear science Proceedings …
    Published date: 13 June 2025
    Publications and Reports
    Specifications for the Generalised Nuclear Database Structure (GNDS) Version 1.9

    10.1787/94d5e451-en

    Knowledge of basic nuclear physics data is essential for the modelling and safe operation of all types of nuclear facilities. The de facto international standard format, Evaluated...

    English Nuclear science
    Published date: 13 June 2025
    Publications and Reports
    Advanced Monte Carlo Computer Programs for Radiation Transport

    DOI: 10.1787/g2gh1c43-en

    ISBN-13: 9789264143760

    Proceedings of a Seminar, Saclay, France, 27-29 April 1993

    English Nuclear science Proceedings
    Published date: 12 June 2025
    Publications and Reports
    Binding Models Concerning Natural Organic Substances in Performance Assessment

    DOI: 10.1787/g2gh1c51-en

    ISBN-13: 9789264145276

    Proceedings of an NEA/Paul Scherrer Institute Workshop Bad Zurzach, Switzerland, 14-16 September 1994

    English Nuclear science Proceedings
    Published date: 12 June 2025
    Publications and Reports
    Scientific Issues in Fuel Behaviour

    DOI: 10.1787/g2gh1c46-en

    ISBN-13: 9789264144200

    English Nuclear science Nuclear science
    Published date: 12 June 2025
    Publications and Reports
    Benchmark Study on Pellet-Cladding Mechanical Interaction in Light Water Reactor Fuel Volume 2: Validation of Beginning-of-Life Power Ramping (Case 3)

    10.1787/05353d10-en

    Many of the failures that occur in nuclear fuel rods in light water reactors around the world are caused by the phenomenon of mechanical interaction between pellets and cladding (...

    English Nuclear science Light water reactors EGRFP WPRS Nuclear science Benchmark Reactor fuel performance …
    Published date: 12 June 2025
    NEA Document
    Experimental Needs for Criticality Safety Purposes
    NEA/NSC/R(2022)6

    10.1787/e6fd68f4-en

    The goal of the Nuclear Energy Agency (NEA) Working Party on Nuclear Criticality Safety (WPNCS) Subgroup on Experimental Needs for Criticality Safety Purposes (SG-5) was to highli...

    Criticality safety Nuclear science Criticality WPNCS Experimental needs Nuclear science …
    Published date: 12 June 2025
    NEA Document
    Benchmark on Dose Rate Calculations for Irradiated Assembly
    NEA/NSC/R(2023)8

    10.1787/3dbcca5e-en

    The Task Force on Dose Rate Calculations for Irradiated Fuel Assembly was launched in 2015 to assess code predictions of dose rates from bare spent fuel assemblies and to benchmar...

    WPFC Nuclear science Spent fuel Nuclear science Benchmark …
    Published date: 12 June 2025
    Publications and Reports
    Specifications for the Generalised Nuclear Database Structure Version 2.0

    10.1787/5f05e3db-en

    Knowledge of basic nuclear physics data is essential for the modelling and safe operation of all types of nuclear facilities. The de facto international standard format, Evaluated...

    English WPEC Nuclear science Nuclear science Nuclear data processing …
    Published date: 12 June 2025
    NEA Document
    The Effect of Temperature on the Neutron Multiplication Factor for Pressurised Water Reactor Fuel Assemblies: A Temperature Analysis Benchmark
    NEA/NSC/R(2022)1

    10.1787/3ea69249-en

    There is significant international interest in the effects of temperature on criticality safety evaluations. Improved access to nuclear data, notably thermal scattering data S(α,β...

    Nuclear science WPNCS Benchmark Pressurised water reactors
    Published date: 12 June 2025
    Publications and Reports
    Benchmark Study on Pellet-Cladding Mechanical Interaction in Light Water Reactor Fuel: Volume 1. Hypothetical Beginning-of-Life Power Ramps (Cases 1 and 2)

    10.1787/80206f78-en

    Many of the failures that occur in nuclear fuel rods in light water reactors around the world are caused by the phenomenon of mechanical interaction between pellets and cladding (...

    English Nuclear science Light water reactors EGRFP WPRS Nuclear science Benchmark Reactor fuel performance …
    Published date: 12 June 2025
    Publications and Reports
    Ion and Slow Positron Beam Utilisation

    DOI: 10.1787/9789264172999-en

    ISBN-13: 9789264172999, 9789264170254

    Workshop Proceedings, Costa da Caparica, Portugal, 15-17 September 1998

    The use of ion beams in nuclear research is well established...

    English Nuclear science Proceedings
    Published date: 10 June 2025
    Publications and Reports
    Thermal Performance of High Burn-Up LWR Fuel

    DOI: 10.1787/9789264172036-en

    ISBN-13: 9789264172036, 9789264169579

    Proper heat removal from the fuel is essential for the safe operation of nuclear reactors used for electricity production. As nucle...

    English Nuclear science Proceedings
    Published date: 6 June 2025
    Publications and Reports
    International Code Comparison for Intermediate Energy Nuclear Data

    10.1787/g2gh1c3f-en

    English Nuclear science Nuclear science
    Published date: 5 June 2025
    Activity
    Annual Report

    Published every year, the NEA Annual Report includes an overview of NEA's activities and publications produced during the year, as well as the latest developments in nuclear energy sector around the ...

    Nuclear law Human aspects of nuclear safety Radiological protection Nuclear science Nuclear economics Nuclear technology Decommissioning and legacy management Radioactive waste management Nuclear safety research Nuclear energy and climate change Annual Report Nuclear safety regulation …
    Published date: 5 June 2025
    Publications and Reports
    Physics and Fuel Performance of Reactor-Based Plutonium Disposition

    DOI: 10.1787/9789264173385-en

    ISBN-13: 9789264173385, 9789264170506

    Workshop Proceedings, Paris, France, 28-30 September 1998

    Following recent disarmament agreements, the Russian Federation and the US...

    English Nuclear science Proceedings
    Published date: 4 June 2025
    News
    United Kingdom joins international effort to advance nuclear education and training

    The United Kingdom has become the latest country to join the NEA Nuclear Education, Skills and Technology (NEST) Framework, alongside 13 other countries that are co-operating to train the next genera...

    News brief Nuclear Education, Skills and Technology (NEST) Framework Education Human resources development (HRD) United Kingdom Training International co-operation Nuclear knowledge management …
    Published date: 3 June 2025
    Event
    Regulatory Frameworks and Technical Approaches for Qualification and Through-Life Performance of Materials in Advanced Reactors
    3 - 5 June 2025
    US NRC Headquarters - 11555 Rockville Pike, Rockville, Maryland 20852

    The NEA Working Group on New Technology (WGNT) is organising a hybrid international workshop on 3-5 June 2025. The workshop will be hosted at the US Nuclear Regulatory Commission headquarters.

    Material science Structural materials Regulation WGNT Regulation of new and advanced reactors Nuclear safety regulation …
    Published date: 30 May 2025
    News
    QUENCH-ATF: Investigating accident behaviour of accident tolerant fuels

    Members of the QUENCH-II joint aim to investigate the behavior of accident tolerant fuel (ATF) claddings in design basis accidents and beyond design basis accidents scenarios.

    News brief Nuclear science Nuclear safety research Joint project Accident Tolerant Fuels Accident tolerant fuels …
    Published date: 20 May 2025
    Activity
    Working Party on International Nuclear Data Evaluation Co-operation (WPEC)

    The NEA's nuclear data evaluation co-operation activities involve the following evaluation projects: ENDF (United States), JENDL (Japan), ROSFOND/BROND (Russia), JEFF (other Data Bank member countrie...

    NSC Nuclear science Nuclear data
    Published date: 16 May 2025
    News
    Advancing high quality experimental benchmark data in reactor physics, criticality, shielding, used fuel, and decay heat

    The NEA organised the annual technical review group and task force meetings of key experimental data evaluation and preservation projects.

    News brief Experiments Criticality Radiation shielding ICSBEP Databases Reactor physics Verification and validation Verification SINBAD Nuclear science Benchmark …
    Published date: 13 May 2025
    Activity
    Nuclear Education, Skills and Technology (NEST) Framework

    The NEA launched the Nuclear Education, Skills and Technology (NEST) Framework in partnership with its member countries to help address important gaps in nuclear skills capacity building, knowledge t...

    Nuclear science Education Nuclear Education, Skills and Technology (NEST) Framework Human resources development (HRD) International co-operation Training Nuclear knowledge management …
    Published date: 6 May 2025
    Activity
    Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS)

    The Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) studies the reactor physics, thermal hydraulics, radiation transport and shielding, and multiphysics aspects ...

    Multi-physics simulations Fuel studies Light water reactors Artificial Intelligence WPRS Advanced reactors Reactor physics Multiphysics Reactor physics Machine Learning Thermal hydraulics Uncertainty quantification Pressurised heavy water reactors …
    Published date: 5 May 2025
    Activity
    Expert Group on Reactor Fuel Performance (EGRFP)

    Under the guidance of the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) the expert group performed from 2011-2024 specific tasks associated with fuel performan...

    Nuclear fuel Reactor physics EGRFP Reactor physics
    Published date: 5 May 2025
    Joint project
    Thermodynamic Characterisation of Fuel Debris and Fission Products Based on Scenario Analysis of Severe Accident Progression (TCOFF)

    Image: Microscopic examination of U-bearing particles collected at Fukushima-Daiichi, JAEA

    TCOFF Phases

    First Phase (2017-2020)

    The Thermodynamic Characterisation of Fuel Debris and Fission Products ...

    Nuclear science Fission products Fukushima Thermodynamic data Nuclear safety research Safety research …
    Published date: 5 May 2025
    Joint project
    Thermodynamics of Advanced Fuels - International Database (TAF-ID)

    On this page

    • TAF-ID Project
    • TAF-ID database: working and public versions
    • Goals of the TAF-ID project phases
    • Why is thermodynamic data for analyses involving nuclear fuel needed?
    • How is thermodynami...
    Material science Structural materials Fuel studies Nuclear science Materials science Thermodynamic data TAF-ID …
    Published date: 5 May 2025
    Joint project
    Thermodynamics of Advanced Fuels – International Database (TAF-ID) public version

    The TAF-ID public version contains only data already published in open literature. Currently, the following systems are available in the public version:

    • oxide-carbide fuel (U-Pu-O-C, released Decemb...
    Material science Fuel studies Nuclear science Materials science Thermodynamics Thermodynamic data Databases TAF-ID Codes and programs …
    Published date: 5 May 2025
    Event
    Third International School on Simulation of Nuclear Reactor Systems (SINUS) with a focus on light water reactors, including SMRs
    5 May 2025 - 2 July 2025
    Online training & in-person event on 30 June - 2 July 2025 at Cambridge University, UK

    The NEA will organise the third International School on Simulation of Nuclear Reactor Systems (SINUS) on the topic of Reactor single- and multi-physics simulations based on Light Water Reactor (LWR) ...

    SINUS Nuclear science Education WPRS Nuclear science Training Reactor physics …
    Published date: 12 March 2025
    Activity
    Nuclear Science Committee (NSC)

    The NEA nuclear science programme is developed and executed by the Nuclear Science Committee (NSC), comprising high-level scientific experts from all NEA member countries.

    Nuclear fuel Reactor physics Nuclear science Criticality Materials science Chemistry …
    Published date: 29 April 2025
    Activity
    Expert Group on Fuel Materials (EGFM)

    Under the guidance of the Working Party on Materials Science Issues in Nuclear Fuels and Structural Materials (WPFM), the Expert Group on Fuel Materials (EGFM) focuses on materials science aspects of...

    Nuclear fuel Material science NSC Nuclear science Materials science WPFM Nuclear science Accident tolerant fuels …
    Published date: 29 April 2025
    Activity
    Expert Group on Structural Materials (EGSM)

    Under the guidance of the Working Party on Materials Science Issues in Nuclear Fuels and Structural Materials (WPFM), the Expert Group on Structural Materials (EGSM) focuses on materials science aspe...

    Material science Structural materials NSC Nuclear science Materials science WPFM Nuclear science …
    Published date: 29 April 2025
    Activity
    Working Party on Materials Science Issues in Nuclear Fuels and Structural Materials (WPFM)

    Under the guidance of the Nuclear Science Committee (NSC), the Working Party on Materials Science Issues in Nuclear Fuels and Structural Materials (WPFM) addresses materials science aspects of nuclea...

    Nuclear fuel Material science Structural materials NSC Nuclear science Materials science WPFM Nuclear science Accident tolerant fuels …
    Published date: 29 April 2025
    NEA Working Paper
    Thermal-hydraulic Code Validation Benchmark Specifications for High -temperature Gas-cooled Reactors (HTGR) using High-temperature Test Facility (HTTF) data
    NEA/WKP(2024)3

    In 2022, the WPRS Expert Group on Thermal Hydraulics and Mechanics (EGTHM) mandated a new benchmark on high-temperature gas-cooled reactors (HTGR) using high-temperature test facility (HTTF) data an...

    CFD Nuclear science Thermal hydraulics WPRS Nuclear science Benchmark EGTHM …
    Published date: 28 April 2025
    News
    Discussing advances in reactor coolants and component technologies

    The 11th NEA Expert Group on Reactor Coolants and Components Technology (EGCoCoT) meeting was held in Paris on 22-23 April 2025.

    Nuclear fuel News brief Fuel studies Nuclear science EGCoCoT Liquid metal reactors Nuclear science Partitioning and transmutation Fuel cycle physics and chemistry …
    Published date: 25 April 2025
    News
    Preparing JEFF nuclear data library update for fission and fusion applications

    The project held Nuclear Data Week to discuss progress of the ongoing activities.

    News brief Nuclear energy data Nuclear science Nuclear data Data Bank Databases Codes and programs …
    Published date: 23 April 2025
    News
    FIDES-II: Ensuring the competences for irradiation experiments

    Project members met in France and online to discuss the ongoing and future activities.

    News brief Nuclear fuel Fuel studies FIDES Nuclear science Accident tolerant fuels Safety research …
    Published date: 23 April 2025
    Activity
    SINBAD - Shielding Integral Benchmark Archive and Database

    https://www.oecd-nea.org/tools/ierequest/start/package/NEA-1939%2501The Shielding Integral Benchmark Archive and Database (SINBAD) database contains compilations for more than 100 reactor shielding, ...

    Transport Experiments Radiation Databases Radiation transport and shielding Reactor physics Integral experiments Verification and validation Validation SINBAD Benchmark …
    Published date: 14 April 2025
    Event
    2025 Meetings of the ICSBEP, IRPhEP, SFCOMPO Technical Review Groups and the SINBAD Task Force
    14 - 18 April 2025
    Jozef Stefan Institute (JSI), Reaktorski center Podgorica, Brinje 40, 1262 Dol pri Ljubljani, Ljubljana, Slovenia

    The NEA International Criticality Safety Benchmark Evaluation Project (ICSBEP), International Reactor Physics Experiments Evaluation Project (IRPhEP), International Assay Data of Spent Nuclear Fuel D...

    Nuclear science ICSBEP WPRS Radiation transport and shielding IRPhEP Reactor physics Criticality safety NSC Verification and validation SINBAD Nuclear science Benchmark …
    Published date: 31 March 2025
    NEA Document
    Summary Report of the 16th Information Exchange Meeting on Actinide and Fission Product Partitioning and Transmutation (16IEMPT)
    NEA/NSC/R(2024)2

    Efforts to enhance the safety, sustainability and economic efficiency of nuclear energy are driving international research into advanced nuclear fuel cycles. A key component of these efforts is parti...

    Nuclear science Nuclear fuel cycle Partitioning and transmutation
    Published date: 11 April 2025
    Activity
    Deterministic Time-Dependent Neutron Transport Benchmark without Spatial Homogenisation (C5G7-TD)

    To ensure reliable modelling of neutron physics within a state-of-the-art transient code, the neutron kinetics part of such a code should be based on the full-scale calculation of the space-time neu...

    Transport Verification and validation Verification Radiation Uncertainty quantification Uncertainty analysis Benchmark Reactor physics …
    Published date: 7 April 2025
    Joint project
    QUENCH-ATF project

    Image: QUENCH facility at KIT. Court. KIT. 

    The purpose of the QUENCH-ATF project is to investigate the chemical, mechanical and thermal-hydraulics behaviour of ATF claddings in Design Basis Accident...

    Nuclear science Nuclear safety research Joint project Accident Tolerant Fuels Accident tolerant fuels …
    Published date: 2 April 2025
    Joint project
    Second Framework for Irradiation Experiments (FIDES‑II)

    The NEA Second Framework for Irradiation Experiments (FIDES-II) supports the fuel and material experimental needs of nuclear safety regulators, technical support organisations, research institutions ...

    Fuel in nuclear safety Nuclear fuel Nuclear science FIDES Nuclear safety research Accident tolerant fuels Reactor fuel performance …
    Published date: 2 April 2025
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