1. Principle of the integration method

1.1 General principle

Given a fluid that is incompressible and homogeneous, or can be considered as such (for example, below an average velocity of 70 m/s for air), the average volume flow Q _vm through a section S of the flow is obtained by space-time integration:

Q_{v m} (t, Δ t) = \iint_{S} (\frac{1}{Δ t} \int_{t}^{t + Δ t} V d t) d S

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Principle of the integration method

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Bibliography

(1) - PUECHBERTY (R.), PERRET (C.), POLIGOT-PITSCH (S.) coord - Charte Qualité de l'Hydrométrie – Guide de bonnes pratiques. - Ministère de l'Environnement, de l'Énergie et de la Mer, 83 p. (disponible en ligne) (2017).
(2) - World Meteorological Organization -...

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