IntroductionHere 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 1Description: Instantaneous valve closure at the end of a frictionless pipe
Phenomenon: Propagation of positive pressure wave download movie  Image Added
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)
 Image Added
Example 2Description: Instantaneous valve closure in the middle of a frictionless pipe
Phenomenon: Propagation of positive and negative pressure wave download movie  Image Added
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)
 Image Added  Image Added
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