La Houille Blanche
Number 3-4, Juin 1998
|Page(s)||93 - 98|
|Published online||01 August 2009|
Comportement dynamique des ensembles tournants de turbomachines couplés aux fluides environnants
Dynamic behaviour of turbomachines rotating sets coupled with surrounding fluids
Laboratoire de Mécanique des Structures, UPRESA CNRS 5006, INSA Lyon
This paper presents and illustrates the coupling techniques developed at the Laboratoire de Mécanique des Structures, adapted to the analysis of fluid structure coupled behaviours in turbomachines. Three different aspects are considered: the added mass effect, the aeroelastic instability called flutter and the global analysis of flexible wheel-shaft assemblies. These problems are quite different but the coupling techniques used for each case are close. Within this context, the interest of modal techniques is particularly highlighted.
© Société Hydrotechnique de France, 1998
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