How to Calculate Manning's Formula for Energy Slope?
Manning's Formula for Energy Slope calculator uses Energy Slope = ((Manning’s Roughness Coefficient*Mean Velocity for Varied Flow)^2)/(Hydraulic Radius of Channel^(4/3)) to calculate the Energy Slope, The Manning's Formula for Energy Slope is defined as the channel energy slope in the section at any point. Energy Slope is denoted by Sf symbol.
How to calculate Manning's Formula for Energy Slope using this online calculator? To use this online calculator for Manning's Formula for Energy Slope, enter Manning’s Roughness Coefficient (n), Mean Velocity for Varied Flow (vm,R) & Hydraulic Radius of Channel (RH) and hit the calculate button. Here is how the Manning's Formula for Energy Slope calculation can be explained with given input values -> 0.243039 = ((0.012*56.2)^2)/(1.6^(4/3)).