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Roughness coefficient (Rkwr)

Definition
A roughness factor in the Kutter, Manning, Bazin, and other formulas expressing the character of a channel as it affects the friction slope of water flowing therein. Also, the estimated measure of texture at the perimeters of channels and conduits. Usually represented by the n value coefficient used in Manning's channel flow equation. Numerical measure of the frictional resistance to flow in a channel, as in the Manning or Strickler formulas. (Source: AASHTO Glossary)
Broader Term
Properties of fluids (Rkw)
Related Terms (Hierarchical)
Dew point (Rkwd)
Flow fields (Rkwf)
Fluidity (Rkwg)
Hydraulic properties (Rkwj)
Oxygen content (Rkwk)
Permeability coefficient (Rkwm)
Pressure resistance (Rkwp)
Turbidity (Rkwt)
Viscosity (Rkwv)