EngiRef / Civil Engineering Formula

Chezy Equation

Chezy Equation: Velocity in open channel flow. A Hydraulics formula in civil engineering. Variables V, C, R and S, each with SI and imperial units.

Hydraulics

Specification

Name
Chezy Equation
Discipline
civil
Category
Hydraulics
LaTeX
V = C\sqrt{RS}
Description
Velocity in open channel flow
Conditions
Open channel, uniform flow
Can solve for
V, C, R, S
Tags
chezy, open, channel, flow, velocity

Variables

Variables for Chezy Equation
SymbolNameUnitSi UnitImperial Unit
VVelocitym/sm/sft/s
CChezy Coefficientm^(1/2)/sm^(1/2)/s -
RHydraulic Radiusmmft
SSlope - - -

Common questions

What is the Chezy Equation formula?
Velocity in open channel flow. It sits under Hydraulics, Civil engineering in the EngiRef reference.
What do the symbols in the Chezy Equation formula mean?
In Chezy Equation, V is velocity in m/s; C is chezy coefficient in m^(1/2)/s; R is hydraulic radius in m; S is slope.
When does the Chezy Equation formula apply?
Chezy Equation holds under this condition: Open channel, uniform flow.