6. Glossary

diffuser; vane diffuser

Divergent part of a pipe, generally designed to convert kinetic energy into pressure energy.

irrotational flow; écoulement irrotationnel

Flow in which viscosity is neglected and fluid particles do not undergo pure rotation.

steady flow

Flow in which the various characteristics (pressure, temperature, speed, etc.) have a constant value over time.

incompressible fluid; fluide incompressible

A fluid whose volume remains constant under the action of external pressure. The density of a fluid particle is constant.

Coriolis force; Coriolis force

A fictitious force that appears in a frame of reference that rotates relative to a galilean frame of reference....