Hi all,(adsbygoogle = window.adsbygoogle || []).push({});

I am a student trying to figure out the system curve for a pipe line system. I know how to calculate friction loss for just one flow, but not for a system of branched flow!

I read a short article online saying that for parallel pipes the friction head is the same for all branches, so in my understanding that I only need to figure out the system curve for one line and then multiply by the number of lines to obtain the total system curve? but I am not sure if the "parallel pipes" system is the same one that I am trying to work on!

I have a quick simplified sketch attached here. In the drawing, the two pumps are running in parallel and the flow is delivered unevenly to 5 destination places. The static head is zero as in there is no elevation difference between the suction side and any of the destination places. I only have the means to measure pipe length, fittings and current flow rate for branch A and B, as well as the pressure at Destination A and B in the drawing here. Is the process for figuring out the system curve the same as described in the last paragragh, which I figure out the system for A and B, add them together and multiply by 4?

Please help me how to figure all the system curve!

Thank you!

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Branched-line pumping system curve help!

Have something to add?

Draft saved
Draft deleted

**Physics Forums | Science Articles, Homework Help, Discussion**