TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

PROPELLER NOISE [1 record]

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Alphabetical list of terms

Record 1 2017-11-23

English

Subject field(s)
  • Maneuvering of Ships
  • Acoustics (Physics)
CONT

Low-frequency ship noise sources include propeller noise (cavitation, cavitation modulation at blade passage frequency and harmonics, unsteady propeller blade passage forces), propulsion machinery such as diesel engines, gears, and major auxiliaries such as diesel generators (Ross, 1976).

French

Domaine(s)
  • Manœuvre des navires
  • Acoustique (Physique)
DEF

Bruit de fréquence musicale pure, entre 200 et 300 hertz, d'intensité très élevée, produit à partir d'une vitesse d'une dizaine de nœuds, par les vibrations mécaniques des pales d'hélice d'un navire sous l'action des tourbillons.

OBS

Le chant d'hélice peut être éliminé par chanfreinage des pales de l'hélice.

Spanish

Campo(s) temático(s)
  • Maniobras de los buques
  • Acústica (Física)
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