Word forms: (regular plural) Venturis
noun (Automotive engineering: Vehicle components, Engine, transmission, and exhaust) In a vehicle, a Venturi is a nozzle which accelerates and lowers static pressure in gases or vapors flowing through it. Named after Italian physicist Giovanni Venturi ⇒ If the Venturi is too large, the flow of air is slow and will not atomize sufficient fuel to make a balanced mixture. ⇒ In the days before fuel-injection, the "Venturi" was a feature of carburetors. Without it fuel couldn’t be drawn from the tank to mix with the flow of air. ⇒ The science teacher set up the convergent-divergent nozzle, with flexible pipes attached to manometers, to demonstrate to his class the action of the Venturi.
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