29 Jul '15, 8am

How Eductors Work

How Eductors Work

Eductors are a kind of jet-type pump that do not require any moving parts to be able to pump out a liquid or gas from a certain area. These pumps make use of their structure to transfer energy from one fluid to another via the Venturi effect. The structure of the pump is such that it has an injector chamber with a narrow shaped nozzle or tapered jet that is located inside the chamber and points axially towards the exhaust chamber to increase the pressure of the motive fluid as it enters the eductor. At the bottom of this nozzle is an opening that is used to suck in any form of fluid or other substance that needs to be extracted from a certain environment. The suction happens due to Venturi effect that creates a drop in pressure at the tip of the nozzle due to the fast flowing motive fluid which has gained kinetic energy due to the tapered shape of the nozzle. This differen...

Full article: http://www.thegreenbook.com/how-eductors-work.htm

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