Rectangular Weir Flow Rate Calculator
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Online calculator for measuring the water flow rate of rectangle shaped weir. The measurement is based on Bernoullis equation.

Rectangular Weir Flow Rate Calculation

Head on the Weir (h) = m
Width of the Weir (b) = m
Discharge Constant (Cd) =
Flow Rate = m³/s

Online calculator for measuring the water flow rate of rectangle shaped weir. The measurement is based on Bernoullis equation.

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Formula The Bernoulli's equation is as follows q = 2/3 ×Cd ×b ×(2g)1/2 ×h3/2 Where, q = Flow Rate Cd = Discharge Constant b = Width of the Weir g = gravity (9.81 m/s²) h = Head on the Weir

Free rectangular weir calculator for exact measurement of flow rate. Simple and easy to use.

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