TERMIUM Plus®

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LIQUIDE AMORTISSEMENT [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2008-06-05

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
  • Crude Oil and Petroleum Products
DEF

Liquid used in hydraulic damping devices, usually having a high viscosity index. [Definition standardized by ISO.]

OBS

damping fluid: term standardized by ISO.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
  • Pétroles bruts et dérivés
DEF

Liquide utilisé dans les dispositifs d'amortissement hydraulique ayant généralement un haut indice de viscosité. [Définition normalisée par l'ISO.]

OBS

liquide d'amortissement : terme normalisé par l'ISO.

Spanish

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Record 2 2002-07-16

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
  • Flight Instruments and Equipment (Aeroindustry)
  • Navigation Instruments
DEF

A fluid that provides viscous damping forces or torques to the inertial sensing element.

CONT

... AlliedSignal has changed the way it manufactures its highly accurate gyros in an effort to stretch their service lives to prevent a future shutdown. But the basic design of the gyros has not changed, since they are about twice as accurate as the next-best gyros available, according to Hubble Program Manager John Campbell. The problem is the tiny leads that carry power to the gyro rotors. Sunk in a thick damping fluid, the hair-like wires corrode over time and break. The six new gyros Discovery's crew will install retain the fine power leads, but the damping fluid was loaded into the gyros in a manner that engineers hope kept oxygen out of the system, reducing the risk of oxidation.

CONT

Gyroscope damping is introduced by making the coupling pin slightly eccentric.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
  • Instruments et équipement de bord (Constructions aéronautiques)
  • Instruments de navigation
CONT

Les gyroscopes «1 axe» [...] comportent éventuellement : un liquide amortisseur dans lequel baigne un carter étanche contenant la toupie; il en résulte l'application à ce carter d'un couple «visqueux» [...]; en outre, la flottaison ainsi obtenue permet de soulager la liaison boîtier-carter, qui peut alors être constituée par des ensembles pivot-rubis.

OBS

Un gyroscope 1 axe [...] comprend essentiellement : un boîtier [...]; un anneau de cardan[...] Certains appareils comportent de plus : un dispositif d'amortissement visqueux (dash-pot, fluide dans lequel baigne un carter étanche [...]; un rappel élastique (ressort, arbre de torsion, asservissement électronique [...]

Spanish

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