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Activity
Nuclear Safety Research Joint Projects

One of the major achievements of the OECD Nuclear Energy Agency (NEA) is the knowledge it has helped to generate through the organisation of joint international research projects. Such projects, prim...

Nuclear safety Nuclear safety research Joint project
Published date: 19 August 2024
Activity
CSNI Programme Review Group (CSNI PRG)

The Programme Review Group is established to perform a programme quality review function within the Committee on the Safety of Nuclear Installations (CSNI) and to provide scientific assistance to the...

Fuel in nuclear safety Risk assessment Accident analysis and management Fuel cycle facility safety Safety of electrical systems External hazards and nuclear safety Nuclear safety research CSNI PRG CSNI Safety of components and structures …
Published date: 13 August 2024
Activity
Working Group on Fuel Cycle Safety (WGFCS)

The objective of the Working Group on Fuel Cycle Safety (WGFCS) is to advance the understanding of relevant aspects of nuclear fuel cycle safety, including: uranium mining and milling; uranium refini...

WGFCS Fuel cycle facility safety Nuclear safety research CSNI Safety Nuclear fuel cycle …
Published date: 13 August 2024
Activity
Expert Group on Small Modular Reactors (EGSMR)

With the growing importance of SMRs, following the proposal of the CSNI Bureau, the CSNI has decided to create an Expert Group on SMRs (EGSMR), at its 69th meeting held on 2-3 June 2021.

SMR EGSMR Nuclear safety research CSNI
Published date: 13 August 2024
Activity
Working Group on Fuel Safety (WGFS)

The main mission of the Working Group on Fuel Safety (WGFS) is to advance the current understanding and address cross-cutting issues related to fuel behaviour in accident conditions, including work o...

Fuel in nuclear safety Nuclear fuel Fuel studies WGAMA WGFCS Fuel cycle facility safety Nuclear safety research CSNI Safety WGFS …
Published date: 19 July 2024
Activity
Material Cluster Assemblies Accident Tolerant Fuel (MCA-ATF) - FIDES-II Joint ExpErimental Programme (JEEP)

This JEEP will study key phenomena for coated cladding, including the stability of the coating interface and the evolution of mechanical properties with irradiation.

Nuclear science FIDES Nuclear safety research Nuclear science Safety research …
Published date: 26 June 2024
Activity
FIDES-II Cross-Cutting Pillars

The FIDES-II framework is designed to do more than just produce data on transient fuel behavior and safety related issues. 

Fuel in nuclear safety Nuclear science Nuclear safety research Reactor fuel performance
Published date: 23 May 2024
Activity
Working Group on Analysis and Management of Accidents (WGAMA)

The Working Group on the Analysis and Management of Accidents (WGAMA) focuses on the NEA activities related to potential design-basis and beyond design-basis accidents in nuclear reactors and related...

Risk assessment WGAMA Accident analysis and management Nuclear safety research CSNI Safety Accident management Risk …
Published date: 21 May 2024
Activity
WGAMA ISP-53

WGAMA ISP-53

Fuel in nuclear safety Accident analysis and management Nuclear safety research Accident management
Published date: 21 May 2024
Activity
Accelerated Testing of Materials in Capsules (AToMiC) - FIDES-II Joint ExpErimental Programme (JEEP)

AToMiC is dedicated to the understanding of microstructural evolution of fuel materials for use in higher temperature, GenIV type reactors.

Generation IV reactors Nuclear science FIDES Nuclear safety research Nuclear science …
Published date: 17 May 2024
Activity
High-Temperature Creep Testing (HITEC) - FIDES-II Joint ExpErimental Programme (JEEP)

HITEC is dedicated to addressing challenges in the development and safety assessment of advanced non-LWR NPPs (or ANLWRs).

Nuclear science FIDES Nuclear safety research Nuclear science Accident Tolerant Fuels Reactor fuel performance Safety research …
Published date: 17 May 2024
Activity
Working Group on Risk Assessment (WGRISK)

The Working Group supports improved uses of Probabilistic Safety Assessment (PSA) in risk-informed regulation and safety management through the analysis of results and the development of perspectives...

Risk assessment WGRISK Nuclear safety research CSNI Safety …
Published date: 13 March 2024
Activity
WGAMA ISP-52

In the framework of the WGAMA/WGFS activity "Status Report on Good Practices for Analyses of Design Extension Condition without Significant Fuel Degradation (DEC-A) for Operating Nuclear Power Plants...

Risk assessment WGAMA Nuclear safety Accident analysis and management Nuclear safety research Safety Accident management Safety research …
Published date: 20 December 2023
Activity
Committee on the Safety of Nuclear Installations (CSNI)

The Committee on the Safety of Nuclear Installations (CSNI) is responsible for NEA programmes and activities that support maintaining and advancing the scientific and technical knowledge base of the ...

Fuel in nuclear safety Risk assessment Accident analysis and management Fuel cycle facility safety Safety of electrical systems External hazards and nuclear safety Nuclear safety research CSNI Safety Safety of components and structures …
Published date: 10 October 2023
Activity
Application Tests for Realisation of Inverse Uncertainty quantification and validation Methodologies in thermal-hydraulics (ATRIUM)

The scope of the proposed project is therefore to perform practical exercises of demonstration of the SAPIUM approach.

Thermal hydraulics Nuclear safety research Safety research
Published date: 1 September 2023
Activity
Computational Fluid Dynamics (CFD) in Nuclear Reactor Safety (NRS)

NEA Working Group on Analysis and Management of Accidents (WGAMA) initiated this activity focusing on computational fluid dynamics (CFD) in nuclear reactor safety (NRS).

CFD Nuclear safety research Safety research
Published date: 1 September 2023
Activity
Working Group on Integrity and Ageing of Components and Structures (WGIAGE)

The main mission of the Working Group on Integrity and Ageing of Components and Structures (WGIAGE) is to advance the current understanding of the relevant aspects related with ensuring the integrity...

Structural materials WGIAGE Nuclear safety research Safety Safety of components and structures …
Published date: 10 August 2022
Activity
Pressurised Water Reactor Main Steam-Line Break (MSLB) Benchmark

This benchmark incorporated full 3-D modelling of the reactor core into system transient codes for best-estimate simulations of the interactions between reactor core behaviour and plant dynamics and ...

Modelling and simulation Thermal hydraulics Verification and validation Nuclear safety research Uncertainty analysis Safety of components and structures Benchmark Thermal hydraulics and mechanics …
Published date: 2 August 2022
Activity
Working Group on External Events (WGEV)

The main mission of the Working Group on External Events (WGEV) is to improve the understanding and treatment of external hazards that would support the continued safety performance of nuclear instal...

Risk assessment WGRISK External hazards WGEV External hazards and nuclear safety Nuclear safety research CSNI Safety Risk …
Published date: 10 February 2022
Activity
Working Group on Electrical Power Systems (WGELEC)

The main mission of the Working Group on the Safety of Electrical Systems (WGELEC) is to advance the current understanding and address safety issues related to electrical systems of nuclear installat...

WGELEC Safety of electrical systems Nuclear safety research CSNI Safety …
Published date: 16 February 2021