Pipe Networks.pdf - Pipe Networks Dr Shahid Ali Branched Pipes If the head loss is given the total discharge may be computed directly by adding the

# Pipe Networks.pdf - Pipe Networks Dr Shahid Ali Branched...

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Pipe Networks Dr. Shahid Ali
Branched Pipes
If the head loss is given , the total discharge may be computed directly by adding the contribution from the various pipes.
If the total flow is given and the head loss and distribution of flow among the pipes are required, an approximate solution may be obtained by assuming a reasonable value of head loss and computing the resulting individual flows and the percentage distribution of flow . This percentage distribution will not be change greatly with the magnitude of the flow and may then be applied to find the actual distribution of the total discharge. 𝐿 = 𝑓 𝐿 𝐷 + ∑𝑘 𝑉 2 2𝑔 𝑄 1 = 𝐴 1 𝑉 1 = 2?ℎ ? ? 𝐿 𝐷 +∑? = 𝐶 1 𝐿 𝑄 = 𝐶 1 𝐿 + 𝐶 2 𝐿 + 𝐶 3 𝐿 = 𝐿 𝐶 1 + 𝐶 2 + 𝐶 3 Analogy with ohm’s law, frictional resistance is like ohmic resistance , head loss is like voltage drop and flow is corresponds to electrical current.

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