TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

échauffement direct de l'enceinte [1 record]

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Record 1 2014-04-25

English

Subject field(s)
  • Nuclear Plant Safety
  • Special-Language Phraseology
CONT

Direct containment heating (DCH) is a phenomenon that can potentially happen during a severe accident and may threaten the integrity of the containment by pressurization of its atmosphere. It can occur following a melting of the reactor fuel and its relocation in the bottom of the reactor vessel.

French

Domaine(s)
  • Sûreté des centrales nucléaires
  • Phraséologie des langues de spécialité
DEF

Échauffement quasi instantané de l’atmosphère de l’enceinte de confinement d’un réacteur, qui se produit lorsque du corium est pulvérisé dans cette atmosphère, et qui conduit à une élévation rapide et importante de la pression.

OBS

échauffement direct de l’enceinte : terme et définition publiés au Journal officiel de la République française le 21 décembre 2013.

Spanish

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