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Drainage fixture units (dfu) et tuyau dimensionnement

Fixture unit values pour plumbing drainage, tuyau dimensionnement per fixture units, et trap dimensionnement.

drainagefixtureunitsCalculatrice

Overview

Engineering reference data for Drainage Fixture Units (DFU) and Pipe Sizing in sanitary drainage.

Key Formulas

Manning's Equation

Q=1nARh2/3S1/2Q = \frac{1}{n} A R_h^{2/3} S^{1/2}

Open channel flow.

Slope

S=ΔhLS = \frac{\Delta h}{L}

Hydraulic gradient.

Variables

SymbolDescriptionUnit
QQFlow ratem³/s
nnManning roughness
AAFlow area
RhR_hHydraulic radiusm

References