TERMIUM Plus®

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

CANAL VENTURI [2 records]

Record 1 1991-02-28

English

Subject field(s)
  • Hydrology and Hydrography
  • Canals
DEF

A flume containing a constriction which, in sub-critical flow, causes an increase in velocity and consequent fall in water level and in which a measurement of the two water levels, upstream and at the contraction, allows a calculation of the discharge.

OBS

The essential difference between Venturi flume and standing wave flume is that observation of both upstream and downstream water levels are necessary with the former, whereas with the latter, the upstream water level observation is by itself enough to determine the discharge.

French

Domaine(s)
  • Hydrologie et hydrographie
  • Canaux
DEF

Canal jaugeur avec un étranglement qui, dans un régime fluvial, produit une augmentation de la vitesse et un abaissement du niveau du liquide et dans lequel un mesurage des deux niveaux du liquide, en amont et à la contraction, permet de calculer le débit.

Spanish

Save record 1

Record 2 1981-01-26

English

Subject field(s)
  • Transport of Water (Water Supply)
  • Wastewater Treatment
  • Water Treatment (Water Supply)
CONT

The turbulence created by a weir or a venturi channel is sometimes used alone to promote a good diffusion of the reagents. A considerable improvement is nevertheless ensured by the use of a high-speed stirring device of the screw-type or paddle-type (turbine) or a double-cone device in a special mixing chamber.

French

Domaine(s)
  • Adduction d'eau (Alimentation en eau)
  • Traitement des eaux usées
  • Traitement des eaux
CONT

On utilise parfois pour le mélange des réactifs la seule turbulence créée par un déversoir, ou un canal venturi. Mais les résultats sont très nettement améliorés par l'emploi d'un agitateur rapide du type à hélice ou à pales (turbine) ou d'un bicône dans une chambre de mélange spéciale.

Spanish

Save record 2

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