TERMIUM Plus®

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

VITESSE LIMITE SEDIMENTATION [2 records]

Record 1 2004-09-10

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
  • Wastewater Treatment
DEF

For a particle falling in a nonturbulent fluid (liquid or gas), the maximum possible velocity reached when the drag, or frictional resistance, on the particle equals the gravitational force on the particle.

CONT

terminal settling velocity. ... The measure is used in the design of chambers in which particles are removed from air or from water by gravitational settling. The horizontal flow rate through the chamber must allow time for the particles to reach the bottom of the Settling Chamber.

OBS

settling chamber [(or settling tank)] (Water Quality) An enclosed container into which wastewater contaminated with solid materials is placed and allowed to stand. The solid pollutants suspended in the water sink to the bottom of the container for removal.

OBS

settlement rates: The rate of downward movement of particles through water. ... The settling velocity of a particle is often the same as the Terminal Settling Velocity.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
  • Traitement des eaux usées
CONT

Comment trouve-t-on la vitesse limite de sédimentation d'une bille sphérique qui descend dans un liquide réel?

Spanish

Save record 1

Record 2 2000-09-13

English

Subject field(s)
  • Processing of Mineral Products
  • Mineral Processing (Metallurgy)

French

Domaine(s)
  • Préparation des produits miniers
  • Minéralurgie (Métallurgie)
DEF

Vitesse constante atteinte par une particule solide en chute libre dans un fluide, lorsque les forces de résistance dues au frottement visqueux équilibrent le poids de la particule.

OBS

vitesse de chute : En parlant d'une particule solide dans un fluide, synonyme de «vitesse limite de sédimentation».

Spanish

Save record 2

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