TERMIUM Plus®

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

air resistance [5 records]

Record 1 2010-12-03

English

Subject field(s)
  • Ballistics
  • Small Arms
DEF

The impeding effect of the air on the passage of a projectile ...

OBS

Air resistance includes the direct resistance of the air on the ogive of the projectile and the effect of drag on the base of the projectile.

French

Domaine(s)
  • Balistique
  • Armes légères
DEF

Effet de freinage de l'air sur le passage d'un projectile [...]

OBS

La résistance de l'air comprend la résistance directe de l'air sur l'ogive du projectile et l'effet de traînée sur le culot du projectile.

OBS

résistance de l'air : terme et définition uniformisés par le Groupe de travail de terminologie des armes légères.

Spanish

Save record 1

Record 2 2001-07-23

English

Subject field(s)
  • Plant Biology
CONT

Since our model employs a single layer of vegetation, there is only one pair of air resistors to consider within the vegetation canopy: one between the leaf surface and the surrounding air and another between the ground surface and the interleaf air spaces. After that, the ground fluxes and leaf fluxes join and move above the canopy through air resistance at the top and above the canopy, called ra; this resistance, like all resistances we have see thus far, decreases with increasing wind speed.

CONT

The transpiration flux must pass through several resistors between the interior of the leaf and the airstream above the plant canopy. First is the resistance imposed by the leaf skin, then the air resistance in the leaf boundary layer, and finally the air resistance between the interleaf air spaces and the atmosphere above the plant canopy.

OBS

ra.

French

Domaine(s)
  • Biologie végétale
CONT

[Évapotranspiration] Cette disponibilité en eau dépend de l'ensemble des résistances qui s'opposent au transfert de la vapeur d'eau depuis les sites de vaporisation jusqu'à l'air libre, c'est-à-dire : .la résistance de l'air, ra, depuis le sommet de la végétation, ou de la surface du sol si celui-ci est nu, jusqu'à un niveau de référence dans l'air libre; cette résistance dépend de la vitesse du vent, de la hauteur de la végétation et de la rugosité de la surface supérieure du couvert végétal [...]

Spanish

Save record 2

Record 3 2000-08-01

English

Subject field(s)
  • Aerodynamics and Theory of Gases
  • Launching and Space Maneuvering
CONT

Returning to the Earth involves the problem of decreasing the spacecraft's great speed. To do this, an orbiting spacecraft uses small rockets to redirect its flight path into the upper atmosphere. This action is called de-orbit. A spacecraft returning to the Earth from the moon or from another planet also aims its path to skim the upper atmosphere. Air resistance then provides the rest of the necessary deceleration (speed reduction).

French

Domaine(s)
  • Théorie des gaz et aérodynamique
  • Lancement et manœuvres dans l'espace

Spanish

Save record 3

Record 4 1998-07-24

English

Subject field(s)
  • Paper Manufacturing Processes
DEF

The resistance of air to passage through paper.

French

Domaine(s)
  • Fabrication du papier
OBS

porosimètre à air : Instrument servant à mesurer la résistance qu'offre un papier au passage de l'air.

Spanish

Save record 4

Record 5 1976-06-19

English

Subject field(s)
  • Air Transport

French

Domaine(s)
  • Transport aérien

Spanish

Save record 5

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