Answer :
Viscose shear stresses within the fluid and turbulence that develops along the interior pipe wall, which is reliant on the pipe material's roughness, both work to impede the flow of fluid through a pipe.
What is Pipe Friction ?
- It is often referred to as the head loss due to pipe friction since this resistance, which is known as pipe friction, is typically measured in feet or metres of fluid head.
- For many years, numerous formulas that can determine head loss in a pipe have been developed through a significant amount of research. The vast majority of the material presented here was created using experimental data.
- The viscosity of the fluid, the internal pipe diameter, the internal pipe surface roughness, the change in elevation between the pipe ends, and the length of the pipe along which the fluid travels are some of the elements that determine the overall head loss in a pipe.
- A method of modelling pipe fitting losses using k factors must be used to compute the head loss from valves and fittings independently from the friction loss from the pipe wall. This method also accounts for the head loss from valves and fittings.
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