Bernoulli s Theorem Demonstration Apparatus

Bernoulli s Theorem Demonstration Apparatus .

Bernoulli's Theorem Demonstration

  • The test section consists of a classical Venturi machined in clear acrylic. A series of wall tappings enable measurement of the static pressure distribution along the converging duct, while a total head tube is provided to traverse along the centre line of the test section.
  • These tappings are connected to a manometer bank incorporating a manifold with air bleed valve. Pressurisation of the manometers is facilitated by a hand pump.
  • The test section is arranged so that the characteristics of flow through both a converging and diverging section can be studied. Water is fed through a hose connector and is controlled by a flow regulator valve at the outlet of the test section. The Venturi can be demonstrated as a means of flow measurement and the discharge coefficient can be determined.


  • Venturi section machined from clear acrylic
  • Seven static pressure tappings plus a total head measurement
  • Flow control valve
  • Manometer board with eight tubes
  • Quick release fitting for easy connection to hydraulics bench
  • Educational software available as an option

Technical Details


Bernoulli's Theorem Demonstration

Manometer range

0 to 300mm

Number of manometer tubes


Throat diameter


Upstream diameter


Upstream taper


Downstream taper


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