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July 23, 2018, 01:23
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Velocity trianges in Centrifugal pumps
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New Member
Karan Gupta
Join Date: Dec 2016
Location: IIT BOMBAY
Posts: 13
Rep Power: 11  |
In the centrifugal pumps, when we draw velocity triangles at the inlet and outlet, I have two doubts.
1. Why the relative velocity at the inlet is considered to be tangential to the vane? 2. Why the Vf1 at the inlet is considered equal to Vf2? At inlet only component of velocity is Vf1 but at the outlet there is Vf2 as well as Vw2 and therefore discharge at inlet should be equal to Vf2xAv +Vw2xAh =Vf1xAv. How can Vf1=Vf2. |
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