Recommendations
Rectangular channel: uniform flowGradual expansionWilke's multicomponent equationHydrated lime saturator coneBOD and COD removal efficiencies in aerated submerged biological filtersPressure drop in Leopold blocks
Trapezoidal channel: uniform flow
Depth
Flow
Inferior width (b)
Roughness coefficient
Slope

Input data

Flow

Inferior length (b)

Z1

Z2

Slope

Roughness coefficient (n)

Output data

Flow normal depth

Superior width (B)

Velocity

U²/2g

Description

Given the basics characteristics of a trapezoidal channel in uniform flow, calculates the flow normal depth, flow, the roughness coefficient n or the slope.

References

  • SILVESTRE, Paschoal. Hidráulica geral. Rio de Janeiro, LTC, 1979.