online_vee_notch2:   Calculation of discharge through a partially contracted 90° V-notch weir

V-notch weir
Formula:


Q = 4.28 Ce (H + 0.0029)5/2          [in U.S. Units]


Head H on the weir, in cm [or ft]
Width B of the channel, in cm [or ft]
Height P to the weir crotch, in cm [or ft]
Ce is a function of H/P and P/B

Discharge Q  in L/s [or cfs]

For a partially contracted 90° V-notch weir:   H/B ≤ 0.4
Fully contracted weir calculator
See USBR Manual for general methodology



INPUT DATA:       [Description]

Select Units:     

Head H :     
  
[ H > 0 ]
Width B :     
  
[ B > 0 ]
Height P :     
  
[ P > 0 ]


OUTPUT:

Warning:  Ratio H/B = 0 < 0.2.
Weir is fully contracted.

Discharge  Q :   0  



            

  Your request was processed at  08:28:11 pm on June 24th, 2017   [ 170624  20:28:11 ].


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