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UPPER HATCH [5 records]

Record 1 2011-01-13

English

Subject field(s)
  • Nuclear Fission Reactors
CONT

moisture separator/dryer. The upper surface of [the] ceiling is commonly the refueling floor of [the] reactor building. A hatch standing above the PCC [passive containment cooling] heat exchanger has a cover … which is removable to allow access to PCC heat exchanger for servicing. During operation following a LOCA [loss-of-coolant accident], as heat is conducted out of [the] PCC heat exchanger, secondary steam formed in [the] pool chamber flows through [the] airspace and passes through [the] moisture separator/dryer unit and then through [the] outlet piping to reach the environs outside [the] reactor building.

Key term(s)
  • moisture separator dryer
  • moisture separator-dryer

French

Domaine(s)
  • Réacteurs nucléaires de fission
CONT

[Réacteurs à eau sous pression.] La partie secondaire des GV [générateurs de vapeur] étant à une pression plus faible que celle de la partie primaire, l’eau d’alimentation secondaire des GV est chauffée jusqu’à saturation puis vaporisée. La vapeur est séchée soit par passage dans des séparateurs-sécheurs, soit par surchauffe, avant d’être envoyée vers la turbine.

Key term(s)
  • séparateur sécheur

Spanish

Save record 1

Record 2 2006-12-28

English

Subject field(s)
  • Tracked Vehicles (Military)
  • Armour
CONT

A command hatch assembly for an armored vehicle, the assembly including base apparatus mounted onto an upper portion of the vehicle and having inner and outer portions, the inner portion defining a hatch opening...

French

Domaine(s)
  • Véhicules chenillés (Militaire)
  • Arme blindée

Spanish

Save record 2

Record 3 1986-09-25

English

Subject field(s)
  • Aeroindustry
  • Joining Elements (Mechanical Components)
CONT

Two hinges attached by pivot bolts to the door and the doorjamb, permit the door to open inward and upward.

CONT

when hatch hinges are set on their pivots, shim lower pivot with prestake washers... to provide a press-fit on pivot pin and obtain 0. 500-inch dimension between upper sill and hatch frame....

French

Domaine(s)
  • Constructions aéronautiques
  • Éléments d'assemblage (Composants mécaniques)
OBS

axe d'articulation : terme accepté par le Comité d'étude de la terminologie des cartes de travail du DC-9.

Spanish

Save record 3

Record 4 1980-09-10

English

Subject field(s)
  • Bearings and Bearing Systems (Mechanical Components)
OBS

when hatch hinges are set on their pivots, shim lower pivot with prestake washers(...) to provide a press-fit on pivot pin and obtain 0. 500-inch dimension between upper sill and hatch frame(...) Use a maximum of three washers.

French

Domaine(s)
  • Paliers, coussinets et roulements (Composants mécaniques)

Spanish

Save record 4

Record 5 1976-06-19

English

Subject field(s)
  • Aeroindustry

French

Domaine(s)
  • Constructions aéronautiques
OBS

convoi spatial.

Spanish

Save record 5

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