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FREE TURBINE ENGINE [2 records]

Record 1 2018-10-04

English

Subject field(s)
  • Aeronautical Engineering and Maintenance
CONT

The risk of compressor blade failure in turbine powered helicopters, such as what occurred in this incident, will be reduced by taking whatever design, maintenance and operational precautions are necessary to ensure that the airflow through the engine is free of all possible solid contamination in all conditions.

French

Domaine(s)
  • Aérotechnique et maintenance
CONT

Le risque de panne attribuable à la défaillance des aubes de compresseur des hélicoptères à turbine, comme celle survenue dans l’incident en cause, sera réduit si l’on prend les précautions nécessaires au niveau de la conception, de la maintenance et des opérations pour faire en sorte que l’air qui pénètre dans l’entrée d’air du moteur est exempt le plus possible de tous contaminants solides, et ce, dans toutes les conditions d’exploitation.

CONT

La commission d’enquête équatorienne a déterminé que la cause probable de l’accident résultait d’une défaillance des aubes de compresseur turbine en raison de fluage.

Spanish

Save record 1

Record 2 1990-03-06

English

Subject field(s)
  • Aircraft Propulsion Systems
DEF

An arrangement in which the turbine extracts just sufficient energy from high pressure gas to drive the compressor and where the gases leaving the turbine will still be at a pressure above atmospheric and can be expanded in a propelling nozzle to produce a high velocity jet. [From The Aircraft Gas Turbine and its operation, 1974, p. 7].

CONT

Gas turbine engines for aircraft come in many types and sizes, each of which has its advantages and also its limitations. The most common type is the uncomplicated turbojet, similar to the typical jet engine described earlier. Because it has no added features such as a fan, propeller, of free turbine, this kind of turbojet is sometimes referred to as straight jet engine. [From Jet Engine Fundamentals, 1978, p. 44].

French

Domaine(s)
  • Propulsion des aéronefs
DEF

Réacteur simple-corps ne comprenant aucun dispositif supplémentaire comme le double-flux, l'hélice. L'effort de propulsion y est obtenu uniquement par la détente des gaz dans un seul étage de turbine qu'entraîne un compresseur monoétage.

CONT

Les avantages du double-flux résident essentiellement dans sa forte poussée et sa consommation spécifique plus faible que celle d'un réacteur pur ou propulseur à réaction directe. [Tiré de "Thermopropulsion" de L. Bale, 1974, p. 195].

Spanish

Save record 2

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