TERMIUM Plus®

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BROAD-CRESTED WEIR [1 record]

Record 1 1999-09-24

English

Subject field(s)
  • Hydrology and Hydrography
  • Scientific Measurements and Analyses
  • Metering Instruments
DEF

A weir of sufficient breadth (i.e. the crest dimension in the direction of the flow) such that critical flow occurs on the crest of the weir.

CONT

The most common types of weirs used for flow measurements are ... broad-crested weirs .... Broad-crested means the flow is in contact with the crest for a finite distance parallel to the flow direction.

French

Domaine(s)
  • Hydrologie et hydrographie
  • Mesures et analyse (Sciences)
  • Compteurs de consommation et débitmètres
DEF

Déversoir dont la crête a une dimension suffisante (dimensions de la crête dans la direction de l'écoulement) pour que le régime critique se produise en un point de la crête.

CONT

Les déversoirs les plus utilisés pour mesurer le débit sont à seuil épais [...]. Le terme «à seuil épais» signifie que l'écoulement est en contact avec le seuil sur une distance finie parallèle à la direction de l'écoulement.

Spanish

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