Introduction
Here you find 17 WANDA cases which help to understand the waterhammer phenomena. All cases include a movie. In order to play the movie, you must install the Techsmith ScreenCapture Codec (more information - Download).
Example 1
Description: Instantaneous valve closure at the end of a frictionless pipe
Phenomenon: Propagation of positive pressure wave
System data
Property |
Value |
|---|---|
Diameter |
500 mm |
Length |
10000 m; |
Friction |
No friction |
Wave speed |
1000 m/s |
Initial velocity |
1.0 m/s |
Valve data:
- Butterfly valve
- instantaneous closure (within 1 timestep)
Example 2
Description: Instantaneous valve closure in the middle of a frictionless pipe
Phenomenon: Propagation of positive and negative pressure wave
System data
Property |
Value |
|---|---|
Diameter |
500 mm |
Length |
5000 m; |
Friction |
No friction |
Wave speed |
1000 m/s |
Initial velocity |
1.0 m/s |
Valve data:
- Butterfly valve
- instantaneous closure (within 1 timestep)
