Water hammer unit
Water hammer unit

FL 09.1 – Water Hammer

This equipment is used to visualize and study the phenomenon of water hammer.

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Description
The equipment is designed to study the pressure increase produced by varying the flow through a valve, and to observe the positive and negative water hammer produced because of an instantaneous closure of a valve.

Also, it can be studied the effects of a surge pipe in reducing overpressure / depressure from water hammer.

The data is studied on a LabVIEW software.

Learning Objectives
  • Study and display pressure increase produced by varying the flow path through a valve.
  • Study and visualization of the phenomenon of water hammer produced by the instantaneous closure of a valve.
  • Study and visualization of the phenomenon of water hammer caused by the unexpected shutdown of a pump.
  • Study and viewing the effects of a surge tank in the attenuation of water hammer.
  • Determining the speed of sound through water in a pipe.
  •  Determination of head losses in a pipe.
Technical Data

PIPES

    • PVC pipe inner diameter 28.4 mm. and thickness 1.8 mm. Length 3 m.
    • Copper Pipe inner diameter  26 mm. and thickness 1 mm. Length 3 m.

PRESSURE TRANSDUCERS

    • 3 x Absolute pressure transducer 0 to 10 bar.
    • 2 x Absolute pressure transducer 0 to 16 bar.
    • 1 x Absolute pressure transducer 0 to 5 bar.

DATA ACQUISITION CARD

    • Data Acquisition Module with USB connection for use with computer.

VALVES

    • Brass valve 1″.
    • Ø32mm PVC ball valve.

NOTE: The valves are interchangeable between the 2 pipes.

SURGE PIPE

    • 1.7 meter surge pipe
Requirements
  • Power supply: 230V/50Hz.
  • DIKOIN hydraulic bench FL01.4

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