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LONGUEUR MELANGE PRANDTL [1 record]

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Record 1 2004-01-23

English

Subject field(s)
  • Atmospheric Physics
  • Aerodynamics and Theory of Gases
DEF

An average distance of air parcel turbulent movement toward a reference height, where the average is a root-mean-square distance.

OBS

It is also known as Prandtl's mixing length, l, after Ludwig Prandtl who devised it in 1925 to explain turbulent fluxes such as the Reynolds stress.

French

Domaine(s)
  • Physique de l'atmosphère
  • Théorie des gaz et aérodynamique
CONT

La longueur l [...] est dite longueur de mélange et a été formulée par Prandtl en 1925. La longueur de mélange peut être considérée comme le rayon d'action des structures turbulentes de plus grosse taille.

CONT

La longueur de mélange de Prandtl et l'analogie de Reynolds.

Spanish

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