Hazen Williams Formula Modules

Calculate pressure loss for single phase liquid pipelines using the Hazen Williams equation. For SI units

`Q = 0.85 c.A.rh^0.63 s^0.54 `
`rh = ID/4 `

where :

Q = flow rate
A = cross section area
ID = inside diameter
rh = hydraulic radius
s = channel slope
c = Hazen Williams friction factor

The Hazen Williams equation was developed for water pipes. Pipe roughness is accounted for using the Hazen Williams friction factor. The hydraulic radius is the ratio of pipe cross section area over pipe circumference (r/2 = ID/4). Valves, tees and other pipe fittings should be included by adding a minor loss equivalent length to the pipeline length.

Change Module :

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Related Modules :

• Fluid Density And Volume Calculation Module
• Line Pipe Cross Section Calculation Module
• Liquid Kinematic And Dynamic Viscosity Calculation Module
• More Liquid Flow Modules