Module 7: Energy conservation
Lecture 24: Examples on Bernoulli equation
Therefore, minor-loss = 94.272
Major- loss,
=
(Flow is turbulent;
)
From Moody’s plot, f = 0.02
Therefore, major–loss
Substitute,
(Assume 100% efficiency of the pump)
If pump is 70% efficient, total pump–power
required
Note:
very–often mechanical energy balance equation is written as
= power delivered by the pump
= flow rate of the fluid.