venturi-tube

venturi tube

[ven-toor-ee]
noun
a device for measuring the flow of a fluid, consisting of a tube with a short, narrow center section and widened, tapered ends, so that a fluid flowing through the center section at a higher velocity than through an end section creates a pressure differential that is a measure of the flow of the fluid.
Also, Venturi tube.


Origin:
named after G. B. Venturi (1746–1822), Italian physicist whose work led to its invention

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Venturi tube (vɛnˈtʃuːrI)
 
n
1.  physics a device for measuring fluid flow, consisting of a tube so constricted that the pressure differential produced by fluid flowing through the constriction gives a measure of the rate of flow
2.  Also called: venturi a tube with a constriction used to reduce or control fluid flow, as one in the air inlet of a carburettor
 
[C19: named after G. B. Venturi (1746--1822), Italian physicist]

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