onlinechannel12.php:   Calculation of the energy loss ΔE in a hydraulic jump

Energy loss in the hydraulic jump
Formulas:

F1 = v1/(gy1)1/2
q = v1y1
y2 = (y1/2)[(1 + 8F12)1/2 - 1]
v2 = q/y2
F2 = v2/(gy2)1/2
ΔE = (y2 - y1)3/(4y1y2)
INPUT DATA:

Select:      

Flow depth y1:        

Flow velocity v1:       

INTERMEDIATE CALCS:

Units selected:   

Grav. accel. [ g ]:   

Discharge q:   

Froude number F1:   

OUTPUT:

Flow depth y2:   

Flow velocity v2:   

Froude number F2:   

Energy loss ΔE:   

Press button to
or recalculate

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