CITY LABORATORY & ENGINEERING

261, East Nakhalpara,Tejgaon, Dhaka-1215, Bangladesh

Phone: 01716 11 90 02
            01718 44 18 58

Email: cle.dbd.gmail.com



Daniel Bernoulli in the year 1738 stated that in a steady flow system of frictionless (of non-viscous) incompressible fluid, the sum of pressure, elevation and velocity heads remains constant at every section, provided no energy is added to or taken out by an external source.
This statement of Daniel Bernoulli, known as the Bernoulli’s Energy Equation, can be applied in practice for the construction of flow measuring devices such as Venturi meter, flow nozzle, orifice meter and Pilot tube. Furthermore, it can be applied to the problems of flow under a sluice gate, free liquid jet, radial flow and free vortex motion.

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