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FUEL RACK [5 records]

Record 1 2017-04-13

English

Subject field(s)
  • Nuclear Fission Reactors
CONT

Example of JHR [Jules Horowitz reactor] core design under investigation... Hexagonal shape, 3x8 plates fuel elements, 37-holes core rack of regular lattice fetched in circular tank, 34 fuel elements in core rack, 2 fuel elements out of rack cooled by derivation of primary coolant...

French

Domaine(s)
  • Réacteurs nucléaires de fission
CONT

[réacteur Jules Horowitz] Le cœur compact est composé de 46 éléments combustibles [...] placés dans un caisson/casier constitué d'un bloc en alliage aluminium percé d'alvéoles cylindriques.

Spanish

Save record 1

Record 2 2015-01-15

English

Subject field(s)
  • Control Instrumentation (Mechanical Components)
  • Traction (Rail)
  • Diesel Motors
CONT

Once a diesel engine is running, the engine speed is monitored and controlled through a governor. The governor ensures that the engine speed stays high enough to idle at the right speed and that the engine speed will not rise too high when full power is demanded. The governor is a simple mechanical device which first appeared on steam engines.... The governor consists of a rotating shaft, which is driven by the diesel engine. A pair of flyweights are linked to the shaft and they rotate as it rotates. The centrifugal force caused by the rotation causes the weights to be thrown outwards as the speed of the shaft rises. If the speed falls the weights move inwards. The flyweights are linked to a collar fitted around the shaft by a pair of arms. As the weights move out, so the collar rises on the shaft. If the weights move inwards, the collar moves down the shaft. The movement of the collar is used to operate the fuel rack lever controlling the amount of fuel supplied to the engine by the injectors.

French

Domaine(s)
  • Dispositifs de commande (Composants mécaniques)
  • Traction (Chemins de fer)
  • Moteurs diesel

Spanish

Save record 2

Record 3 2009-11-09

English

Subject field(s)
  • Environmental Management
  • Nuclear Waste Materials
DEF

A... rack for storing... spent fuel assemblies removed from a nuclear reactor.

French

Domaine(s)
  • Gestion environnementale
  • Déchets nucléaires
OBS

râtelier de stockage du combustible usé : terme normalisé par l'AFNOR.

Spanish

Save record 3

Record 4 2003-02-14

English

Subject field(s)
  • Orbital Stations
CONT

The Combustion Integrated Rack(CIR), will be uniquely configured to support microgravity combustion research on board ISS. Combustion experiment equipment will be installed on-orbit in the CIR to customize it to perform many different experiments during the ten or more years that it will operate on board ISS. Studies of laminar flames, reaction kinetics, droplet and spray combustion, flame spread, fire and fire suppressants, condensed phase organic fuel combustion, turbulent combustion, soot and polycyclic aromatic hydrocarbons and flame-synthesized materials are planned.

OBS

The powered racks are called the Fluids Integrated Rack (FIR), Combustion Integrated Rack (CIR), and Shared Accommodations Rack (SAR). The combustion and fluids disciplines share racks and mutually necessary hardware within FCF [Fluids and Combustion Facility] to dramatically reduce cost and effectively use ISS resources ... The CIR features a 100-liter combustion chamber surrounded by optical and other diagnostic packages including a gas chromatograph. The CIR is the only rack on ISS dedicated to combustion experimentation.

OBS

combustion integrated rack; CIR: term and abbreviation officially approved by the International Space Station official approval Group (ISSOAG).

French

Domaine(s)
  • Stations orbitales
OBS

bâti de combustion intégré; CIR : terme et abréviation uniformisés par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 4

Record 5 2003-02-12

English

Subject field(s)
  • Diesel Motors
  • Fueling Systems (Motor Vehicles)
DEF

An injector which is camshaft-driven and incorporates a plunger. The plunger works in conjunction with orifices in the injection body to determine the beginning and end of injection. The plunger has a helix and is rotated by a rack so the beginning and end of injection can occur closer together or farther apart, thus shortening or lengthening the injection period and changing metering. A special pump which supplies fuel through an orifice to the injector operates at a pressure which is precisely controlled depending on the changes in engine speed.

Key term(s)
  • pump injection nozzle
  • pump nozzle

French

Domaine(s)
  • Moteurs diesel
  • Alimentation (Véhicules automobiles)
CONT

Injecteurs-pompes. Chaque injecteur fonctionne comme une pompe individuelle à haute pression dont le piston constitué par l'aiguille elle-même est commandé par une came.

OBS

Système d'injection des moteurs diesel.

Key term(s)
  • injecteur pompe

Spanish

Save record 5

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