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Article | REF: BE8161 V1

Fluid flow - Pipe flows. Networks

Author: André LALLEMAND

Publication date: January 10, 2001, Review date: January 4, 2020

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3. Integral equation of momentum

3.1 Establishing Euler's equation in the pseudopermanent regime

Since a Bernoulli equation has been established for the average load between two straight sections of a pipe, this paragraph gives a simple expression for the integral equation of momentum, also known as Euler's equation, applicable to a real fluid flow tube in steady (laminar flow) or pseudopermanent (turbulent flow) flow.

Flow through a branch
Figure 16...
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Integral equation of momentum
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