Frictional Loss in Engineering Hydrology Formulas

Frictional Loss is the loss of pressure or “head” that occurs in pipe or duct flow due to the effect of the fluid’s viscosity near the surface of the pipe or duct. And is denoted by h_f.

Formulas to find Frictional Loss in Engineering Hydrology

fxFrictional LossGo

fxFrictional Loss given Average Energy SlopeGo

fxFrictional Loss given Energy SlopeGo

Engineering Hydrology formulas that make use of Frictional Loss

fxEddy LossGo

fxLength of Reach given Average Energy Slope for Non-Uniform FlowGo

fxAverage Energy Slope given Frictional LossGo

fxLength of Reach by Manning's Formula for Uniform FlowGo

List of variables in Engineering Hydrology formulas

fx Height above Datum at Section 1 Go

fx Height above Datum at Section 2 Go

fx Mean Velocity at End Sections at (1) Go

fx Acceleration due to Gravity Go

fx Mean Velocity at End Sections at (2) Go

fx Eddy Loss Go

fx Average Energy Slope Go

fx Reach Go

fx Energy Slope Go

FAQ

What is the Frictional Loss?

Frictional Loss is the loss of pressure or “head” that occurs in pipe or duct flow due to the effect of the fluid’s viscosity near the surface of the pipe or duct.

Can the Frictional Loss be negative?

{YesorNo}, the Frictional Loss, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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