Scheme showing the technical scope of NEA ICDE project activities, NEA 

Common-cause failure (CCF) events can significantly affect the availability of safety systems of nuclear power plants. In recog...

The NEA Working Group on Risk Assessment met in Paris to mark its 25th anniversary and to discuss the ongoing and future activities.

The CSNI Code Validation Matrix (CCVM) is a repository of nuclear data and identified phenomena used to run tests, experiments and other procedures to ensure safety assessments and related operationa...

A cabinet containing copper bus before the HEAF test (left) and after the test(right). Source: NRC

Massive electrical discharges, referred to as high energy arcing faults (HEAF), have occurred in nuc...

Scheme of the DIVA Facility, ASNR

Fire is a significant contributor to overall core damage frequency for both new and old nuclear reactor designs. Furthermore, it may severely affect plant safety i...

Passive thermal-hydraulic systems are widely used in nuclear reactor safety and design. For example, primary circuits in existing boiling and pressurised water reactors are designed to take advantage...

The NEA chaired the Interregional Workshop on Experimental Testing and Validation for Design and Safety Analysis Computer Codes for Small Modular Reactors organised by the International Atomic Energy...

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...