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THRESHOLD CAVITATION [1 record]

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Record 1 1979-10-03

English

Subject field(s)
  • Acoustics (Physics)
  • Engineering
DEF

intensity of an acoustic field at which acoustically-induced cavitation just begins to occur. Indications of this are: increased acoustic losses, increased non-linear distortion and the appearance of cavitation noise.

CONT

Above the cavitation threshold the nuclei become unstable and collapse suddenly, radialing shock waves which appear as wide-band noise.

French

Domaine(s)
  • Acoustique (Physique)
  • Ingénierie
CONT

seuil de la cavitation NPSH [net positive suction head]. [...] Dans l'écoulement des liquides, il existe [...] un seuil au-delà duquel la cavitation ne peut se produire et que nous pouvons traduire par la relation [où] la pression minimale en un point particulier de l'écoulement [est supérieure à la pression de vapeur saturante]

Spanish

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