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.