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written 5.6 years ago by |
Chezy's formula.
$v = c \sqrt {mi}$
where,
v = velocity of flow
c = changes constant
i = bed slope
m = hydraulic mean depth = $\frac{A}{P}$
p = perimeter = b + 2d
A = area.
Discharge through open channel by chezy's formula.
Q = Area x Velocity = A x Y
$\therefore$ The chezy's equation becomes
$= A \times c \sqrt{mi}$
OR
Q = Ac $\sqrt{mi}$