Equations:
Cc = y3/y2
Cd = Cc/[1 + Cc (y2/y1)]1/2
v2 = Cd (2gy1)1/2
q = v2 y2
Recommended value: Cc = 0.61
Select: SI units (metric) U.S. Customary units
Upstream flow depth y1:
Flow depth at gate y2:
Contraction coefficient Cc:
INTERMEDIATE CALCS:
Units selected:
Grav. acceleration [ g ]:
Contraction coefficient [ Cc ]:
Discharge coefficient [ Cd ]:
Reference velocity [ v2 ]:
OUTPUT:
Discharge q:
Your request was processed at 05:20:44 am on February 10th, 2012 [ 120210 05:20:44 ].