onlinechannel_02:   Critical depth in a prismatic channel

Definition sketch for a prismatic channel
Formulas

F2 = (Q2T)/(gA3)
F = 1
(Q2/g)T - A3 = 0
A = y(b + zy)
T = b + 2zy
V = Q/A
D= A/T
INPUT DATA:

Select:      

Flow discharge Q:        

Bottom width b:        

Side slope z:      

INTERMEDIATE CALCS:

Units selected:   

Gravitational acceleration g:   

Flow area A:    0

Top width T:    0

Wetted perimeter P:    0

Hydraulic radius R:    0

Hydraulic depth D:    0

Froude number F:    0

OUTPUT:

Critical depth yc:    0

Critical velocity Vc:    0

            

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