Community Research and Development Information Service - CORDIS


European Network for the Reduction of Uncertainties in Severe Accident Safety Issues (EURSAFE)

Funded under: FP5-EAECTP C


The objective of the EURSAFE network was to establish a large consensus on the Severe Accident issues where large uncertainties still subsist and to propose a Severe Accident Networking of Excellence structure to address these issues through concerted and optimized Research programmes. The project was a thematic network of duration two years starting 1st December 2001 and finishing 30 November 2003.
First, a PIRT (Phenomena Identification and Ranking Tables) was established for each phase of a severe accident from core degradation up to release of fission products in the containment, taking into account any possible counter-measures and the evolution of fuel management. Second, the PIRT implications and actions were determined taking into account existing and planned European facilities, codes and programmes. Third, recommendations were made for the structure of a future Networking of Excellence. Fourth, a consolidated framework for the preservation of integral severe accident data used for the assessment of computer codes performance in nuclear reactor conditions data was proposed.
The PIRT phenomena list was successfully established by consensus among the twenty organisations in the project representing the mains actors in Nuclear Safety in Europe and beyond, which legitimates its validity. Starting from a list of all severe accident phenomena established by the project partners and containing more than 1000 entries, 105 phenomena were retained eventually as both important for safety and still lacking sufficient knowledge.

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