Q3: A centrifugal pump impeller is 40 cm in outer diameter and 2.5 cm width at exit, and its blades angle is 30° at exit. When it runs at a speed of 2100 rpm, the flow rate through the pump is 80 l/s. assume the pump efficiency is 100%. 1- Calculate the relative and absolute velocities of water when it leaves the impeller. 2- What would be the head added to the water by the pump?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q3: A centrifugal pump impeller is 40 cm in outer diameter and 2.5 cm width at exit, and
its blades angle is 30° at exit. When it runs at a speed of 2100 rpm, the flow rate through
the pump is 80 l/s. assume the pump efficiency is 100%.
1- Calculate the relative and absolute velocities of water when it leaves the impeller.
2- What would be the head added to the water by the pump?
Transcribed Image Text:62 Q3: A centrifugal pump impeller is 40 cm in outer diameter and 2.5 cm width at exit, and its blades angle is 30° at exit. When it runs at a speed of 2100 rpm, the flow rate through the pump is 80 l/s. assume the pump efficiency is 100%. 1- Calculate the relative and absolute velocities of water when it leaves the impeller. 2- What would be the head added to the water by the pump?
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