How to Calculate Wetted Perimeter from Manning's Law?
Wetted Perimeter from Manning's Law calculator uses Wetted Perimeter = ((1/Manning’s Roughness Coefficient)*(Cross-Sectional Area^(5/3)/Conveyance Function))^(3/2) to calculate the Wetted Perimeter, The Wetted Perimeter from Manning's Law formula is an empirical equation describing the relationship between the velocity in a conduit and the channel geometry, slope, and friction coefficient expressed as a Manning n. Wetted Perimeter is denoted by P symbol.
How to calculate Wetted Perimeter from Manning's Law using this online calculator? To use this online calculator for Wetted Perimeter from Manning's Law, enter Manning’s Roughness Coefficient (n), Cross-Sectional Area (A) & Conveyance Function (K) and hit the calculate button. Here is how the Wetted Perimeter from Manning's Law calculation can be explained with given input values -> 83.3628 = ((1/0.412)*(12^(5/3)/8))^(3/2).