Conduit Channel Conveyance

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Conduit channel conveyance can be calculated using Manning's equation or the Colebrook White equation.

Manning's Equation

k² = A² R^4/3 / n²

(1)

where:

n = Manning's roughness coefficient

R = hydraulic radius = (A/P)

k² = 8 g R A² / f

(2)

where f is a solution to the equation:

1/Öf = -2log₁₀{(n / 14.83R) + (2.52 / Re Öf)}

(3)

and:

Re = Reynolds number

R = hydraulic radius = (A/P)

P = wetted perimeter

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