TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 DEF

An energy-absorbing system employing water to limit the value and duration of overpressure within the reactor building following an unintentional loss of coolant.  5, record 1, English, - dousing%20system

Record number: 1, Textual support number: 1 CONT

Inside the building housing a reactor which is undergoing a major nuclear accident, internal steam pressure can be greatly reduced by using a dousing system to condense the steam. All CANDU reactors are provided with such a dousing system. It is much more difficult to reduce the pressure from non-condensable gases which are formed in great quantities during meltdown.  6, record 1, English, - dousing%20system

Record number: 1, Textual support number: 2 CONT

The Containment System forms a continuous, pressure-confining envelope around the reactor core and primary heat-transport system. In the CANDU 6 design it consists of a pre-stressed, post-tensioned concrete structure, an automatically-initiated dousing system, building coolers, and a filtered air discharge system. In Ontario Hydro's multi-reactor designs, containment includes a vacuum building connected to all reactor vaults in the plant, with its own dousing system for reducing internal pressure.  7, record 1, English, - dousing%20system

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 DEF

Système d'absorption d'énergie qui, à la suite d'une perte accidentelle de caloporteur, utilise de l'eau pour limiter la surpression à l'intérieur du bâtiment d'un réacteur.  5, record 1, French, - syst%C3%A8me%20d%27arrosage

Record number: 1, Textual support number: 1 OBS

mécanisme d'aspersion : terme extrait du Glossaire de l'énergie nucléaire (1992) et reproduit avec l'autorisation de l'OCDE.  6, record 1, French, - syst%C3%A8me%20d%27arrosage

Record 1,  Textual support,  Spanish