online_standard_contracted_rectangular:   Discharge through a standard contracted rectangular weir

Formula:

Q = 3.33 (L - 0.2 H) H3/2          [in U.S. Units]

Head H on the weir, in m [or ft]
Length L of the weir, in m [or ft]
Height P to the weir crest, in m [or ft]
Side width b, in m [or ft]

Discharge Q  in L/s [or cfs]

See USBR Manual for general methodology

INPUT DATA:       [Description]

Select Units:     

Head H :     
  
[ H > 0 ]
Length L :     
  
[ L > 0 ]
Height P :     
  
[ H > 0 ]
Width b :     
  
[ b > 0 ]

OUTPUT:


Warning:  Ratio P/H = 0 < 2.

Warning:  Ratio b/H = 0 < 2.

Warning:  Ratio L/H = 0 ≤ 3.

Discharge  Q :   0  

            

  Your request was processed at  07:33:27 pm on May 8th, 2025   [ 250508  19:33:27 ].

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