Bernoulli’s Theorem Test System
The Bernoulli’s Theorem Test System is a foundational fluid mechanics trainer designed to experimentally verify the relationship between pressure and velocity in a fluid flow, based on the principle of conservation of energy. This system utilizes a carefully designed venturi meter, allowing students to measure static pressure heads and dynamic flow rates. Manufactured by Atto Labware India, this apparatus is essential for Civil, Mechanical engineering laboratories worldwide.
Educational Objectives
Students and researchers will be able to:
- Verify Bernoulli’s Theorem experimentally for steady, incompressible flow.
- Understand the relationship between static pressure head, velocity head, and total head.
- Study the effect of varying cross-sectional areas (converging and diverging flow) on pressure and velocity.
- Determine the theoretical and actual total head at various points along the flow path.
- Calculate the fluid flow rate using the gravimetric or volumetric method.
Performance Measurement
- Demonstration of conservation of energy in fluid flow.
- Measurement of static pressure using a multi-tube manometer bank at multiple sections.
- Calculation and comparison of theoretical and experimental velocity heads.
- Determination of total energy head along the venturi meter.
- Observation of the Venturi effect (where pressure drops as velocity increases).1
Panel and Instruments / Components
- Venturi Test Section: Precision-machined converging/diverging section for pressure measurement.
- Multi-tube Manometer Bank: Transparent tubes with scale for direct measurement of static pressure heads.
- Volumetric/Gravimetric Tank (SS): Stainless steel tank integrated into the base for precise flow rate measurement.
- Hydraulic Bench (Blue Stand): Provides stable platform, water circulation pump, and overflow connection.
- Control Panel: Integrated power controls and monitoring points for the pump and flow regulation.
Specifications
| Feature | Detail |
| Test Section | Symmetrical Venturi Tube |
| Manometer | Multi-tube manometers (Typically 6 to 10 tubes) |
| Fluid Circuit | Closed-loop re-circulating |
| Material | SS Tank, Clear Acrylic Test Section, Blue Powder-Coated Stand |
| Flow Control | Adjustable flow control valve |
| Measurement | Stop-watch and weigh/volume tank method |
Note: Customized specifications, accessories, panel instruments, and LabVIEW software available on request.




