effect of pump speed change at far end of pipe

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naikvihang
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Joined: Mon Aug 05, 2013 11:55 am

effect of pump speed change at far end of pipe

Post by naikvihang » Mon Aug 05, 2013 12:03 pm

Suppose I have 3 inch pipe, i.e. (a) ---------- (b) 80 meter long. Pump is throwing water at 50 m^3/hr at end (a). Now if pump speed is changed to 40 m^3/hr then, what is the effect on the far end of pipe at 80 meter away at (b)? After how much time t, the flow will become 40 m^3/hr at the far end (b)?

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admin
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Joined: Mon Feb 08, 2010 7:47 pm

Re: effect of pump speed change at far end of pipe

Post by admin » Tue Aug 06, 2013 10:23 pm

You can't have two flow rates in one pipe with incompressible fluid like water, so with pump flow dropping from 50 to 40, pipe flow rate will change as well with speed of sound from point a to point b.
Pipe flow calculations - since 2000

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