Without considering velocity of approach 2  L Q  Cd  3  (Without end contraction) H 2 3 3 0.6 2 Q   10  3 2 50.11 /   m3 s 2 50.11 Q Velocity of approach   =1 m/s Va 20 2.5  A 2 2 a    Ha Approach Head 0.051m 2  2 g 9.81  Discharge equation considering end contraction Ha 2   L  (H Q Cd    3 32  H 32  0.6  2 10 Q  3 (2   0.05132   0.05132 = 51.81m3/s
Without considering velocity of approach Q  Cd  2  L  3 3 H 2 (Without end contraction) Q  0.6  2 10  3 3  2 2  50.11 m3 / s Q 50.11 Velocity of approach Va   =1 m/s A 20  2.5 2 2 a Approach Head Ha    0.051m 2  g 2  9.81 Discharge equation considering end contraction Q  Cd  2  L  3  (H  Ha 32  H 32 Q  0.6  2 10  3  (2  0.05132  0.05132  = 51.81m3/s
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