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Manning's Equation — Open Channel Flow

Inputs

Manning's roughness n

Concrete ≈ 0.013

Hydraulic radius R

Channel slope S

m/m

Flow area A

m²

1.5324m/s

3.065m³/s

Velocity · Flow rate

V = (1/n) × R^(2/3) × S^(1/2), Q = V × A

V = (1/0.013) × 0.500^(2/3) × 0.00100^(1/2) = 1.5324 m/s; Q = 1.5324 × 2.000 = 3.065 m³/s

Kernel 0.1.0 · Profile mannings-equation-open-channel v0.1.0