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RAMPE REACTIVITE [1 record]

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Record 1 2011-11-24

English

Subject field(s)
  • Atomic Physics
CONT

This hypothetical sequence of events may occur within a very short time, and the fission energy released during the reactivity ramp - which is a measure of the gravity level of the accident results from the competition between the lifetime of prompt, and delayed neutrons and the quasi-adiabatic rate of of the core governed, in the most conservative case, by the vapour pressure of the molten fuel.

French

Domaine(s)
  • Physique atomique
CONT

«Rampe» de réactivité. Le problème de la rampe est un exemple où [...] l’équation de Nordheim n’est d’aucune utilité : dans ce scénario, toujours à partir d’une situation critique, on introduit progressivement une réactivité non nulle suivant une loi supposée, pour simplifier, linéaire en fonction du temps [...]

Spanish

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