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LOSS COOLANT ACCIDENT [1 record]

Record 1 - external organization data 2011-02-23

English

Subject field(s)
  • Nuclear Power Stations
  • Nuclear Fission Reactors
  • Compartment - Canadian Nuclear Safety Commission
DEF

An accident in which the primary coolant of a nuclear reactor is lost at a rate that exceeds the capability of the make-up system. [Definition standardized by ISO.]

CONT

In the event of a loss-of-coolant accident, the emergency core cooling system maintains the temperature of the fuel at a safe level, preventing rupture of the fuel sheaths and the release of activity.

OBS

Applies to CANDU nuclear reactors.

OBS

loss-of-coolant accident; LOCA: term and abbreviation standardized by ISO.

Key term(s)
  • L.O.C.A.

French

Domaine(s)
  • Centrales nucléaires
  • Réacteurs nucléaires de fission
  • Tiroir - Commission canadienne de sûreté nucléaire
DEF

Accident dans lequel le fluide primaire de refroidissement d'un réacteur nucléaire est perdu avec un débit qui dépasse les possibilités du système d'appoint. [Définition normalisée par l'ISO.]

CONT

L'accident de perte du réfrigérant primaire. [...] la rupture du circuit primaire [...] risque de mettre en cause l'intégrité des gaines [...] dont le refroidissement n'est plus assuré de façon normale alors que le coeur du réacteur continue à dégager une puissance résiduelle importante [...]

OBS

accident de perte de réfrigérant primaire; APRP : terme et abréviation normalisés par l'ISO.

Spanish

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