TERMIUM Plus®

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ZERO-SCARF NOZZLE [1 record]

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Record 1 1985-11-29

English

Subject field(s)
  • Aircraft Propulsion Systems
CONT

Modifications have improved performance, reliability and maintainability. These include the rectangular, zero-scarf front nozzles, which give 200 lb (91 kg) more thrust (and help circulation round the flaps), a stronger first-stage HP compressor vane, and improved HP turbine cooling.

French

Domaine(s)
  • Propulsion des aéronefs
CONT

Certaines modifications ont permis d'améliorer les performances et la fiabilité [du moteur], et d'en faciliter l'entretien. On a notamment adopté des tuyères avant à section rectangulaire sans biais, ce qui s'est traduit par une augmentation de 90kg de la poussée et par une amélioration de la circulation d'air autour des volets; on a également renforcé les aubes du premier étage du compresseur HP et amélioré le refroidissement de la turbine HP.

Spanish

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