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NEUTRONICS COMPUTATIONAL CHAIN [1 record]

Record 1 2011-03-28

English

Subject field(s)
  • Calculating Procedures (Mathematics)
  • Nuclear Physics
  • Nuclear Fission Reactors
CONT

CEA [Commissariat à l’Énergie Atomique] and IRSN [Institut de Radioprotection et de Sûreté Nucléaire] are developing the HEMERA coupled neutronics and thermal-hydraulics computational chain, based on CATHARE, CRONOS2, FLICA4 and APOLLO2. HEMERA is now used by IRSN for PWR [pressurized water reactor] safety assessment with application to two accidental transients …

French

Domaine(s)
  • Procédés de calcul (Mathématiques)
  • Physique nucléaire
  • Réacteurs nucléaires de fission
CONT

Le processus de qualification d’une chaîne de calcul neutronique dépend étroitement des options de calcul qui la caractérisent. Il comporte, en tout cas, un certain nombre d’étapes distinctes qui visent chacune à qualifier un paramètre intégral de façon indépendante des autres. C’est le cas, par exemple, de la réactivité, et de la distribution de puissance. Le remontage des incertitudes se fait en tenant compte de la démarche adoptée pendant la qualification.

Spanish

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