1. Flow in cylindrical pipes

1.1 Average load on a straight section of pipe

The charge of a fluid at a point on a flow line is defined ([BE 8 153], § 3.4) as the sum of the kinetic energy and the potential energies of pressure and position of the fluid's unit weight. Thus, at a point A of a flow, the load C is defined by (figure 1 ): $C_{A} = \frac{v_{A}^{2}}{2 g} + \frac{P_{A}}{ϖ} + z_{A}$

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Flow in cylindrical pipes

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References

(1) - IDEL'CIK (I.E.) - Mémento des pertes de charge. - Collection de la Direction des Études et recherches d'Électricité de France, Eyrolles, 1986.
(2) - CARLIER (M.) - Hydraulique générale et appliquée. - Collection du Centre de Recherches et d'Essais...