TERMIUM Plus®

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

AERODYNAMIC STABILIZATION [2 records]

Record 1 2025-01-20

English

Subject field(s)
  • Ballistics
  • Missiles and Rockets
CONT

In ballistics, the center of pressure is the point where all of the aerodynamic forces, particularly lift and drag, are equalized. If this point is behind or below the center of gravity, then the object is self-stabilizing. This is why fin stabilization works with missiles and similar military ordnance. The fins pull the center of pressure much further rearward.

Key term(s)
  • fin stabilisation

French

Domaine(s)
  • Balistique
  • Missiles et roquettes
CONT

[Le principal inconvénient] de la stabilisation par empennage [est] qu'il faut trouver de la place pour les ailettes à l'intérieur du tube, c'est-à-dire que le corps du projectile doit être sous-calibré et tiré avec un sabot ou que les ailettes se déploient après le tir.

Spanish

Save record 1

Record 2 2002-12-23

English

Subject field(s)
  • Astronautics
  • Launching and Space Maneuvering
CONT

STU relied on aerodynamic stabilization rather than attitude control propellants to properly orient itself.

French

Domaine(s)
  • Astronautique
  • Lancement et manœuvres dans l'espace
DEF

Stabilisation d'un engin spatial évoluant dans une atmosphère, par l'utilisation de couples d'origine aérodynamique.

Spanish

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