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Cavitation Apparatus (SMT-FM-29)
Investigation of cavitation processes in a Venturi
Round Transparent Venturi for robust use and
Venturi nozzle with 3 pressure measuring points.
Adjustment of the flow rate via Gate valve.
Thermometer for measuring the temperature.
Manometer for displaying the pressure curve in
the Venturi nozzle.
Flow rate determined by SMT-FM-100 base
Water supply using SMT-FM-100 base module.
Supplied with a comprehensive user guide.
Acrylic Tubes and Acrylic Venturi Holdings.
PVC Pipe Fittings.
Cavitation is the formation of vapour cavities in a liquid, small liquid-free zones (“bubbles”
or “voids”), that are the consequence of forces acting upon the liquid. It usually occurs when
a liquid is subjected to rapid changes of pressure that cause the formation of cavities in the
liquid where the pressure is relatively low. When subjected to higher pressure, the voids
implode and can generate an intense shock wave.
SMT-FM-29 is suitable for the demonstration of cavitation processes using the example of a
Venturi nozzle. Pressure energy is converted into kinetic energy and vice versa in the Venturi
nozzle. Vapour bubbles form in the narrowest cross-section. To visualise the flow processes
the experimental unit includes a Venturi nozzle made of transparent PMMA. There are three
pressure measuring points on the Venturi nozzle: at the inlet, at the narrowest point and at
the outlet. The input pressure can be adjusted via a pressure reducing valve. The flow rate
and the pressures can be adjusted via two ball valves which are located at the inlet and
outlet of the pipe system.
This unit can be operated by Laboratory supply of with any Hydraulic Bench.