Water hammer and surge chamber
Investigation of formation, effect and function
Features
- visualisation of water hammer
- operation of a surge chamber
- determining the wave propagation velocity inwater
- software for displaying the water hammer and oscillations
Learning objectives/experiments
Transient flow conditions in pipe systems by means of experimentation
- demonstrating water hammer in pipes
- determining the wave propagation velocity in water
- understanding how a surge chamber works
- natural frequency in the surge chamber
Specification
[1] functioning of a surge chamber
[2] pipe section with ball valve and surge chamber
[3] surge chamber designed as transparent PMMA tank
[4] pressure sensor behind the water chamber for measuring the pressure wave
[5] pipe section with solenoid valve and two pressure sensors for measuring water hammer
[6] volumetric flow measurement via measuring tank of the supply unit
[7] representation of the pressure curves with software
[8] software for data acquisition via USB under Windows 8.1, 10 including PC1 Computer-System with 21" TFT-Monitor Win 10 engl.Technical data Pipe section for pressure oscillations
- copper
- length: 5875mm, Ø, inner: 26mm
- ball valve
- surge chamber, PMMA
-- height: 825mm
-- Ø, inner: 50mm
Pipe section for water hammer
- copper
- length: 5875mm, Ø, inner: 26mm
- distance between sensors: 3000mm
- solenoid valve, constant closing time: 20...30ms
Tank: 50L
Supply unit
- pump
-- power consumption: 250W
-- max. flow rate: 150L/min
-- max. head: 7,6m
- storage tank: 180L, 
- measuring tank: 60L
Measuring ranges
- pressure: 2x 0...10bar (pipe section)
- pressure: 0...0,3bar (surge chamber)
230V, 50Hz, 1 phase
Section VII – Schedule of Requirements 
230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase
UL/CSA optional
LxWxH: 6800x820x2000mm (total)
Weight: approx. 155kg