TERMIUM Plus®

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MOTEUR VULCAIN [1 record]

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Record 1 2003-03-12

English

Subject field(s)
  • Launchers (Astronautics)
CONT

The Vulcain engine powers the Ariane 5 main cryogenic stage. Its design is based on the gas generator cycle: two turbopumps are driven by a single gas generator which is fed by propellants tapped (3% of total) from the main flow of fuel and oxidizer to the combustion chamber.

French

Domaine(s)
  • Lanceurs (Astronautique)
CONT

Le moteur Vulcain assure la propulsion de l'étage principal cryotechnique d'Ariane 5. Sa conception est basée sur le cycle à flux dérivé, où les turbopompes qui alimentent la chambre sont entraînées par la combustion, dans un générateur de gaz, des ergols prélevés (3 %) sur le circuit principal.

Spanish

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