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Piping & plant systems
Water hammer
Hydraulic transients in a gravity main
- Duration
- 2:06
- Year
- 2026
The case
A valve closing in 2 seconds takes a line from 11.5 bar to 23 bar. Not because the valve is abrupt: because 679 tonnes of moving water cannot stop at once, and the news that the valve closed travels along the pipe at 1,085 m/s. Generic case solved with the method of characteristics: DN 600 steel main, 2,400 m, PN 16 line.
Topics
- Hydraulic transients
- Method of characteristics
- Surge pressure
Basis. Generic synthetic case built for this piece. No client data. Not a design verification.
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