La Houille Blanche
Number 3-4, Juin 1999
|Page(s)||29 - 34|
|Published online||01 August 2009|
Analyse et maîtrise des vibrations d'une conduite forcée extérieure
Analysis and control of vibrations in an exterior penstock
The vibration problem in exterior penstocks presented here has been resolved whereas the authors know few things about these vibrations. They calculated the eigen frequencies and penstock constraints white it was working and provided necessary stiffnings. They set up a calculation procedure which used problems resolution with fluid-structure interactions. Hypotheses were confirmed during the service trial and were validated. This has led to a better understanding of resonance phenomena due to plane waves in penstocks.
© Société Hydrotechnique de France, 1999
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