TERMIUM Plus®

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

LIFT DEVICE [3 records]

Record 1 2013-01-28

English

Subject field(s)
  • Electric Rotary Machines - Types
  • Wind Energy
DEF

A vertical-axis wind turbine whose rotor runs through an aerodynamic lift exerted on its blades.

OBS

Wind turbine blades are essentially airfoils. When air flows past the blade, a wind speed and pressure differential is created between the upper and lower blade surfaces. The pressure at the lower surface is greater and thus acts to "lift" the blade. When blades are attached to a central axis, like a wind turbine rotor, the lift is translated into rotational motion.

French

Domaine(s)
  • Machines tournantes électriques - types
  • Énergie éolienne
DEF

[...] éolienne à axe vertical dont le rotor tourne sous l'effet de la portance aérodynamique qui s'exerce sur ses pales.

Spanish

Campo(s) temático(s)
  • Máquinas rotativas eléctricas - tipos
  • Energía eólica
Save record 1

Record 2 2007-01-11

English

Subject field(s)
  • Electric Rotary Machines
  • Aerodynamics and Theory of Gases
DEF

A device that uses air-foils or other types of shapes that provide aerodynamic lift in a windstream.

French

Domaine(s)
  • Machines tournantes électriques
  • Théorie des gaz et aérodynamique
CONT

Le capteur à portance est beaucoup plus efficace que le capteur à traînée [...]. La portance étant dirigée vers l'avant du profil, elle tend à faire tourner l'hélice normalement autour de son axe horizontal [...]. Les profils aérodynamiques ont des formes qui permettent d'obtenir des rendements élevés. Les éoliennes à portance utilisent ce type de profil : il est évident que l'inconvénient de ce type d'éolienne est leur plus grande difficulté de réalisation.

Spanish

Save record 2

Record 3 1986-05-12

English

Subject field(s)
  • Electric Rotary Machines
  • Aerodynamics and Theory of Gases
CONT

lift devices ... [are] devices that use airfoils or other shapes that generate aerodynamic lift.

CONT

The lift device can have a velocity greater than the wind velocity, which is advantageous for rotating machines.

French

Domaine(s)
  • Machines tournantes électriques
  • Théorie des gaz et aérodynamique

Spanish

Save record 3

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