Tuesday, 23 November 2010
What is a Pump?
There are many different definitions of this but it can be best described as:
‘A machine used for the purpose of transferring quantities of fluids and/or gases, from one place to another’.
A TYPICAL PUMP INSTALLATION
This is illustrated below transferring fluid from tank A to spray nozzles B.
Pump types generally fall into two main categories – Rotodynamic and Positive Displacement, of which there are many forms.
The Rotodynamic pump transfers rotating mechanical energy into kinetic energy in the form of fluid velocity and pressure. The Centrifugal and Liquid Ring pumps are types of rotodynamic pump, which utilise centrifugal force to transfer the fluid being pumped.
The Rotary Lobe pump is a type of positive displacement pump, which directly displaces the pumped fluid from pump inlet to outlet in discrete volumes.
Tags: Fluid , Marine , Mechanical
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