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GENERAL UPSTREAM LEVEL [4 records]

Record 1 2016-11-23

English

Subject field(s)
  • Nuclear Fission Reactors
CONT

Nuclear Power Demonstration reactor. This was the prototype CANDU reactor, and the first power reactor in Canada. It was located upstream of AECL' s Chalk River laboratories, along the Ottawa River's south shore(i. e. in Ontario). The reactor had a maximum continuous output of 22 MWe gross(19. 5 MWe net)... The reactor was built as a joint AECL/Ontario Hydro/Canadian General Electric project, and was initially intended to use a vertically-fuelled pressure vessel reactor. The design was changed in 1957 to natural uranium fuel bundles in horizontal pressure tubes in unpressurized heavy water moderator, with on-line refuelling. These are hallmarks of the CANDU reactor. The reactor had 132 fuel channels(each fuel channel comprised a pressure tube inside a calandria tube) and the coolant leaving the channels was 7. 2 MPa and 277°C. The main reactivity control was by adjusting the heavy-water moderator level, which could be rapidly dumped for fast shut down. NPD was finally shut down on May 5 1987, for economic reasons...

French

Domaine(s)
  • Réacteurs nucléaires de fission
OBS

réacteur nucléaire de démonstration : terme extrait du «Glossaire de l’énergie nucléaire» et reproduit avec l’autorisation de l’Organisation de coopération et de développement économiques.

Spanish

Save record 1

Record 2 2016-02-25

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
OBS

With overall upstream control, a general instrument detects the intake flow and maintains the water level on the filters... by adjusting the individual set flow of the filters. If the intake increases, the level upstream of the filters rises and the general detector increases the set flow of the filters until the general upstream level is stabilized, indicating that the flow of filtered water is equal to the flow entering the plant.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
OBS

En régulation d'ensemble par l'amont, un organe général détecte le débit entrant et maintient le plan d'eau sur les filtres, [...] en ajustant le débit de consigne individuel des filtres. Si le débit entrant augmente, le niveau en amont des filtres s'élève et le détecteur général augmente le débit de consigne des filtres jusqu'à stabilisation du niveau général amont, traduisant l'égalité entre le débit d'eau filtrée et le débit entrant dans la station.

Spanish

Save record 2

Record 3 1982-03-11

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
OBS

With overall upstream control, a general instrument detects the intake flow and maintains the water level on the filters... by adjusting the individual set flow of the filters. If the intake increases, the level upstream of the filters rises and the general detector increases the set flow of the filters until the general upstream level is stabilized, indicating that the flow of filtered water is equal to the flow entering the plant.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
OBS

En régulation d'ensemble par l'amont, un organe général détecte le débit entrant et maintient le plan d'eau sur les filtres, [...] en ajustant le débit de consigne individuel des filtres. Si le débit entrant augmente, le niveau en amont des filtres s'élève et le détecteur général augmente le débit de consigne des filtres jusqu'à stabilisation du niveau général amont, traduisant l'égalité entre le débit d'eau filtrée et le débit entrant dans la station.

Spanish

Save record 3

Record 4 1982-03-11

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
OBS

With overall upstream control, a general instrument detects the intake flow and maintains the water level on the filters... by adjusting the individual set flow of the filters. If the intake increases, the level upstream of the filters rises and the general detector increases the set flow of the filters until the general upstream level is stabilized, indicating that the flow of filtered water is equal to the flow entering the plant.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
OBS

En régulation d'ensemble par l'amont, un organe général détecte le débit entrant et maintient le plan d'eau sur les filtres, [...] en ajustant le débit de consigne individuel des filtres. Si le débit entrant augmente, le niveau en amont des filtres s'élève et le détecteur général augmente le débit de consigne des filtres jusqu'à stabilisation du niveau général amont, traduisant l'égalité entre le débit d'eau filtrée et le débit entrant dans la station.

Spanish

Save record 4

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