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Publications and Reports
CSNI Status Report and Perspectives: Advances in the Analysis and Management of Accidents and Future Challenges

The Nuclear Energy Agency (NEA) Working Group on the Analysis and Management of Accidents (WGAMA) aims to contribute to the assessment of the prevention, mitigation and management of accidents, ultim...

English Performance assessments WGAMA Nuclear safety Nuclear security Security CSNI PRG Safety assessment CSNI Safety Technology Safety research Knowledge management and data preservation Accident management …
Published date: 5 October 2023
News
Prevention, mitigation and management of potential accidents in nuclear power plants

The NEA Working Group on the Analysis and Management of Accidents convened for its annual meeting to discuss ongoing work related to accident strategy and management.

CFD WGAMA Nuclear safety Accident analysis and management Nuclear safety research Accident management …
Published date: 14 September 2023
NEA Document
Computational Fluid Dynamics for Nuclear Reactor Safety (CFD4NRS-8) Workshop, 25-27 November 2020
NEA/CSNI/R(2022)2

The eighth instalment of the workshop on computational fluid dynamics for nuclear reactor safety (CFD4NRS-8) was organised by the Nuclear Energy Agency (NEA) Committee on the Safety of Nuclear Instal...

WGAMA Nuclear safety Nuclear safety research CSNI Safety Safety research CFD …
Published date: 28 August 2023
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 July 2023
News
Supporting the use of computational fluid dynamics for nuclear reactor safety

Supporting the use of computational fluid dynamics for nuclear reactor safety

News brief WGAMA Nuclear safety Nuclear safety research
Published date: 27 June 2023
News
Innovations in nuclear safety thermal-hydraulics

Innovations in nuclear safety thermal-hydraulics

News brief Experiments WGAMA Nuclear safety Experimental needs Nuclear safety research Nuclear science …
Published date: 26 June 2023
NEA Document
SAPIUM: Development of a Systematic Approach for Input Uncertainty Quantification of the Physical Models in Thermal-Hydraulic Codes: Good Practice Guidance
NEA/CSNI/R(2020)16

In the current project, a new systematic approach has been developed, called SAPIUM (systematic approach for input uncertainty quantification methodology) for transparent and rigorous model IUQ. This...

English Nuclear installations WGAMA Nuclear safety Nuclear accident loss estimation CSNI PRG CSNI Joint project Safety Accident management …
Published date: 30 May 2023
News
Advancing the understanding of spent fuel pools during loss of cooling accidents

Approximately 30 experts from WGAMA discussed how to advance the understanding of phenomena in pool in the situation of a loss of cooling accident.

Fuel in nuclear safety News brief WGAMA Nuclear safety Spent fuel Nuclear safety research Joint project …
Published date: 25 April 2023
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: 5 April 2023
News
Advancing computational fluid dynamics for nuclear reactor safety

The 9th edition of the Computational Fluid Dynamics for Nuclear Reactor Safety workshop was hosted by Texas A&M University on 20-22 February 2023. 

News brief United States WGAMA Nuclear safety Nuclear safety research Multiphysics Modelling and simulation CFD Accident management …
Published date: 23 March 2023