Q : How to calculate cooling water pumps head, do I need to consider static he

Q : How to calculate cooling water pumps head, do I need to
consider static head and frictional loss of the pipe with
high elevation? I mean to say is discharge pipe branches to
several elevations and joins to the cooling water return
line.

The highest elevation pipe goes to a heat exchanger at (xx)
psi inlet pressure. Should I consider only pump discharge
header and this piping for head calculations?

How about frictional losses in return pipe? Pressure
recovered in return piping is good enough to make it back
to the cooling tower?

Question Posted / a. bawazir

1 Answers
10518 Views
I also Faced
E-Mail Answers

Q : How to calculate cooling water pumps head, do I need to consider static head and frictional lo..

Answer / guest

Pump Discharge Pressure = Max. Discharge static head (pump
discharge nozzle to max. pipe elevation routed)+ max.
discharge pipe length friction loss (including supply &
return pipe line to/from heat exchanger to cooling
tower)+pressure losses in no of valves & fittings (isolation
valve, control valve, bends, expander, reducer, T joint )+
pressure losses in no of equipments like heat
exchanger(condenser)+ exist loss in cooling tower
Note: no need to consider all branches pipe line for total
friction losses. consider max. branch pipe length & do not
forget to cross check that calculated pump discharge
pressure is enough sufficient to meet pressure requirement
in remaining branch pipe lines.

Is This Answer Correct ?

5 Yes

1 No

Post New Answer

More Mechanical Engineering Interview Questions

1.Describe a time when you anticipated potential problems and Developed Preventive measures. 2. Tell me about a time when you had to use your presentation skills to influence someone's opinion. 3. Tell me about a time when you had too many things to do and you were required to prioritize your tasks. 4. What is your typical way of dealing with conflict? 5. Tell me about a time you were able to successfully deal with another person even when that individual may not have personally liked you (or vice versa).

1 Answers Chevron,

who in india do the natural frecquency test on turbine blades

1 Answers Associated Engineering,

Which place yamahas?

1 Answers Yamaha,

How to calculate IKW (inputkilowatt) ie.. efficiency of a airconditioning chiller plant capacity of 310TR

0 Answers Carrier,

Why stainless steel is corrosion resistant?. What is stress corrosion cracking?.

6 Answers Dr Reddys, IGCAR, Reddy Labs,

What is the function of lathe machine?

0 Answers

Sketch the jacket cooling system?