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friction velocity [1 record]

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Alphabetical list of terms

Record 1 2003-06-20

English

Subject field(s)
  • Meteorology
  • Fluid Mechanics and Hydraulics (Physics)
DEF

Reference wind velocity u[asterisk], defined by u[asterisk] = [(tau]/r)½, where [tau] is the Reynolds stress, and r, the density of the air.

DEF

A basic wind speed parameter defined by the square root of r/p where r is the turbulent horizontal wind stress in the surface boundary layer and p is the air density there.

OBS

... friction velocity (m/s).

French

Domaine(s)
  • Météorologie
  • Mécanique des fluides et hydraulique (Physique)
DEF

Vitesse du vent de référence u[astérisque], définie par u[astérisque] = [(tau]/r)½, où [tau] est la tension de Reynolds et r, la densité de l'air.

CONT

En physique de l'environnement on utilise la notion de vitesse de frottement qui est la vitesse du vent de référence U[astérisque]

Spanish

Campo(s) temático(s)
  • Meteorología
  • Mecánica de fluidos e hidráulica (Física)
DEF

Velocidad del viento u[asterisco] que sirve de referencia y está definida por u[asterisco] = [(tau]/r)½, donde [tau] es la tensión de Reynolds y r la densidad.

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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