TERMIUM Plus®

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

IMPELLING FORCE [1 record]

Record 1 1979-01-19

English

Subject field(s)
  • Chemical Engineering
  • Fluid Mechanics and Hydraulics (Physics)
CONT

A discrete particle is one that, in settling, does not alter its size, shape, or weight. In falling freely through a quiescent fluid, [it] accelerates until the frictional resistance or drag, of the fluid equals the impelling force acting upon the particle. Thereafter, the particle settles at a uniform (terminal) velocity ... the impelling force equals the effective weight of the particle ...

French

Domaine(s)
  • Génie chimique
  • Mécanique des fluides et hydraulique (Physique)
CONT

Lorsqu'une particule grenue est laissée à elle-même dans un liquide au repos, elle est soumise à une force motrice, la pesanteur, et à une force résistante, la traînée du fluide qui est la résultante des forces visqueuses et d'inertie.

Spanish

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