La Houille Blanche
Number 3-4, Juin 2000
|Page(s)||47 - 52|
|Published online||01 July 2009|
Comportement dynamique des lignes d'arbre de turbomachines
Dynamical behavior of turbomachines shafting
Laboratoire de Mécanique des Solides, Université de Poitiers
2 Laboratoire de Mécaniques des Structures, INSA de Lyon
3 Laboratoire de Modélisation Intelligence Processus Systèmes Automatique, Ecole Supérieure des Sciences Appliquées de Mulhouse, ESSAIM
High speed rotors set a lot of stability problems especially when the speed of rotation is going through a critical speed. The dynamical behavior of the fluid bearings has, in that case, an important effect. This study presents two examples of coupling between fluid element and flexibility of the shaft:
- The coupling between the axial thrust bearing behavior and the bending vibrations of the shaft will be studied.
- The behavior of a shaft with flexible wheel-shaft and bearing-shaft coupling.
© Société Hydrotechnique de France, 2000
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