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CYCLE DIRECT [3 records]

Record 1 2017-04-06

English

Subject field(s)
  • Nuclear Fission Reactors
CONT

Direct cycle: A term used to indicate that the coolant in a nuclear reactor serves also as the working fluid in the thermodynamic power cycle, and passes from the reactor to the turbine without the need for an intermediate heat exchanger. There are considerable thermodynamic and economic advantages to this arrangement.

CONT

The turbine employs a conventional regenerative cycle with condenser deareation and condensate demineralization. The direct-cycle system is used because of its inherently simple design, contributing to reliability and availability.

French

Domaine(s)
  • Réacteurs nucléaires de fission
CONT

L'utilisation d'un cycle direct est la caractéristique importante qui distingue les réacteurs B.W.R. des P.W.R. Le système de production de vapeur est simplifié; par contre, il faut se prémunir contre l'entraînement de produits radioactifs susceptibles de contaminer la turbine et de gêner son entretien.

OBS

Cycle dans lequel le mélange d'eau et de vapeur est entraîné dans des séparateurs de vapeur situés dans la partie supérieure de la cuve et, tandis que la phase liquide est réintroduite à l'entrée du cœur, la vapeur est envoyée directement à la turbine.

Spanish

Save record 1

Record 2 2005-05-03

English

Subject field(s)
  • Microbiology and Parasitology
  • Animal Diseases
  • Horse Husbandry
DEF

Life cycle of parasites requiring no intermediate host.

French

Domaine(s)
  • Microbiologie et parasitologie
  • Maladies des animaux
  • Élevage des chevaux
DEF

Cycle évolutif d'un parasite qui se déroule sans hôte intermédiaire.

Spanish

Save record 2

Record 3 1979-11-08

English

Subject field(s)
  • Hydroelectric Power Stations

French

Domaine(s)
  • Centrales hydro-électriques
OBS

Hydro-Québec.

Spanish

Save record 3

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