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Fanning Friction Factor

Last modified by
on
Jul 24, 2020, 6:28:07 PM
Created by
on
Jul 11, 2016, 5:41:29 PM
f=τρu22
(τ)local shear stress
(ρ)density of the fluid
(u)local flow velocity
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The Fanning Friction Factor is a dimensionless number used as a local parameter in continuum mechanics calculations. It is defined as the ratio between the local sheer stress and the local flow kinetic energy density: f=τρu22, where:

  • τ = local sheer stress
  • ρ = density of the fluid
  • u = local flow velocity

References

The formula and definition are from Wikipedia (https://en.wikipedia.org/wiki/Fanning_friction_factor).


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