Flow in closed conduits: Venturi Meter

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Discharge Calculation in closed conduits

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Formula

The discharge through a venturi meter is as given below;

Q=K((a1*a2)/sqrt (a1^2-a2^2)) * sqrt (2gh)

Where,

Q = Discharge in cubic meter per second,

a1 = Area of pipe section in Sq meters,

a2 = Area of throat section in Sq meters,

h = head difference between inlet and throat section

K = Coefficient of Discharge