Orifice flow meter

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Description

The analysis of the quantity of water which can be discharged through an orifice is arrived at in a simple, straightforward manner by the application of Bernoulli’s Equation. However, experimental tests typically produce a result which is only some 65% of the solution indicated by the simple analysis. The study of water flow through an orifice is therefore a classic topic to illustrate the need for a semi-empirical approach which is so often required in Mechanics of Fluids.