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Objective

The Fukushima accidents highlighted that both the in-depth understanding of such sequences and the development or improvement of adequate severe accident management measures is essential in order to further increase the safety of the nuclear power plants operated in Europe. CESAM (Code for European Severe Accident Management) is a R&D project that aims in particular at the improvement of the European reference code ASTEC towards a usage in severe accident management analysis for nuclear power plants (NPP).
The models of ASTEC that are available for the relevant phenomena during severe accidents in the reactor core as well as in the spent fuel ponds are assessed and recommendations for improvement are developed. The lessons learned from the severe accident in Fukushima will be especially considered. Based on these recommendations ASTEC models will be improved and validated by the partners.
In addition, ASTEC will be coupled to environmental consequences tools and a methodology will be investigated that evaluates the probability of different possible accident scenarios based on available on-side data during an accident in a nuclear power plant. This way, ASTEC will be extended to become a tool used for decision-making in emergency cases.
ASTEC reference datasets for the main generic types of NPPs in Europe (PWR, BWR, CANDU) will jointly be prepared to give users appropriate guidance how to apply ASTEC for real plant analyses used e.g. for accident management. Plant analyses and possible improvements of SAM measures based on various plant scenarios and accounting for the lessons drawn from the Fukushima accidents, will be performed. A workshop will be organized to elaborate on ASTEC capabilities for calculations of the Fukushima accidents, both in the reactor core and the spent fuel ponds.


Total cost: EUR 6 266 433
EU contribution: EUR 3 597 179
Coordinated in: Germany
Subprogramme: Fission-2012-2.1.2 - Impact of the nuclear accident in Japan on Severe Accident Management
Call for proposal: FP7-Fission-2012
Funding scheme: CP - Collaborative project (generic)


Coordinator: GESELLSCHAFT FUER ANLAGEN- UND REAKTORSICHERHEIT (GRS) MBH Germany

Participants

  • INSTITUT DE RADIOPROTECTION ET DE SURETE NUCLEAIRE France
  • CENTRO DE INVESTIGACIONES ENERGETICAS, MEDIOAMBIENTALES Y TECNOLOGICAS-CIEMAT Spain
  • VUJE AS Slovakia
  • INZINIERSKA VYPOCTOVA SPOLOCNOST TRNAVA S.R.O. Slovakia
  • LIETUVOS ENERGETIKOS INSTITUTAS Lithuania
  • UNIVERSITAET STUTTGART Germany
  • RUHR-UNIVERSITAET BOCHUM Germany
  • INSTITUTE OF NUCLEAR RESEARCH AND NUCLEAR ENERGY - BULGARIAN ACADEMY OF SCIENCES Bulgaria
  • INSTITUT JOZEF STEFAN Slovenia
  • JRC -JOINT RESEARCH CENTRE- EUROPEAN COMMISSION Belgium
  • TEKNOLOGIAN TUTKIMUSKESKUS VTT Finland
  • AREVA NP SAS France
  • PAUL SCHERRER INSTITUT Switzerland
  • DEPARTMENT OF ATOMIC ENERGY India
  • AGENZIA NAZIONALE PER LE NUOVE TECNOLOGIE, L'ENERGIA E LO SVILUPPO ECONOMICO SOSTENIBILE Italy
  • Karlsruher Institut fuer Technologie Germany
  • NUBIKI NUCLEAR SAFETY RESEARCH INSTITUTE LTD. Hungary