RESULTRectangular NotchTrialVolume(L)Time(s)Flowrate(L/s)Flowrate, Q (H(m)

1340.220.07467.46 x0.01

2310.870.27602.76 x0.02

338.790.34133.41 x0.03

434.350.68976.9 x0.04

V NotchTrialVolume(L)Time(s)Flowrate(L/s)Flowrate()Upstream head(m)

1316.600.18071.81 x0.01

2314.220.21202.12 x0.02

337.600.39473.95 x0.03

434.470.67116.71 x0.04

1 = 1000L\

CALCULATION

1) Calculation for Rectangular Notchb = 0.03mg = 9.82m/s2H = 0.01 m

Volume flow rate, =

= = 0.0000746 m3/s

Discharge coefficient, = = 0.842

2)Calculation for V-notch = 90og = 9.81 m/s2H = 0.01 m=

Volume flow rate, = = 0.0001807 m3/sDischarge coefficient,

= 4.733