Comptes Rendus
Research at the CEA in the field of safety in 2nd and 3rd generation light water reactors
Comptes Rendus. Physique, Volume 13 (2012) no. 4, pp. 340-351.

The research programs at the CEA in the field of safety in nuclear reactors are carried out in a framework of international partnerships. Their purpose is to develop studies on:

  • – The methods allowing for the determination of earthquake hazards and their consequences;
  • – The behaviour of fuel in an accident situation;
  • – The comprehension of deflagration and detonation phenomena of hydrogen and the search for effective prevention methods involving an explosion risk;
  • – The cooling of corium in order to stop its progression in and outside the vessel thereby reducing the risk of perforating the basemat;
  • – The behaviour of the different fission product families according to their volatility for the UO2 and MOX fuels.

Les programmes de recherches du CEA dans le domaine de la sûreté des réacteurs nucléaires sont conduits dans le cadre dʼun fort partenariat international. Ceux-ci visent à développer les études sur :

  • – Les méthodes permettant la détermination des aléas sismiques et de leurs conséquences ;
  • – Le comportement du combustible en situation accidentelle ;
  • – La compréhension des phénomènes de déflagration et de détonation de lʼhydrogène et la recherche de méthodes de prévention du risque dʼexplosion ;
  • – Le refroidissement du corium visant à arrêter sa progression en cuve et hors cuve réduisant ainsi le risque de percement du radier ;
  • – Le comportement des différentes familles de produit de fission selon leur volatilité pour les combustibles UO2 et MOX.

Published online:
DOI: 10.1016/j.crhy.2012.03.008
Keywords: Safety, Nuclear reactor, Severe accidents, Hydrogen, Source term, Seism
Mot clés : Sûreté, Réacteur nucléaire, Accidents graves, Hydrogène, Terme source, Séisme

Philippe Billot 1

1 Commissariat à lʼénergie atomique et aux énergies alternatives, Centre de Cadarache, Batiment 101, 13108 Saint-Paul-Lez-Durance cedex, France
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Philippe Billot. Research at the CEA in the field of safety in 2nd and 3rd generation light water reactors. Comptes Rendus. Physique, Volume 13 (2012) no. 4, pp. 340-351. doi : 10.1016/j.crhy.2012.03.008. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2012.03.008/

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