Item Description

The sum of pressure head and velocity head is constant along a horizontal stream line in a steady, inviscid and incompressible flow of fluid. The Sci-tech Pressure Distribution in Venturi Nozzle Model FM 26 Apparatus is a bench top unit and has been designed to measure the variation of static pressure and flow velocity in pipe flow having venturi and nozzle. The apparatus consists of transparent venturi tube and nozzle mounted in a horizontal pipe line. Wall pressure tapings are provided along the converging and diverging portions of the venturi and nozzle surface to measure the static pressure variation. Pitot probes are provided at suitable locations along the centre line of the venturi and nozzle to measure total head. Static and total pressures are measured using multi-tube manometer having a manifold with an air bleed valve. Manometer can be pressurized by a hand pump. Flow meter is provided to measure flow rate.

This apparatus can also be used to conduct laboratory experiments to (a) demonstrate continuity and Bernoulli’s equations and (b) determine the co-efficient of discharge of venturi and nozzle to use as flow measurement devices. The  FM00 Hydraulic Bench or any other standard hydraulic bench models can be used to supply water. Water is supplied by a hose connection at the inlet and controlled by a valve at the outlet. The complete unit is manufactured from corrosion resistant materials.

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‘Sci-Cal’ Computer based learning software is included to enable students understand and conduct experiments, tabulate results and plot graphs. The Sci-tech Pressure Distribution in Venturi Nozzle Apparatus is an important experimental set-up for any Fluid Mechanics and Hydraulics Laboratory of an educational institution.