Active vibration control for the measurement of fluidelastic effects

S. Caillaud 1 Emmanuel De Langre 2 F. Baj 3
1 EDF R&D AMA - Analyses Mécaniques et Acoustiques
2 LadHyX - Laboratoire d'hydrodynamique
3 Commsrt. à l'Energie Atomique, Dept. de Mecan. et Technol., 91191 Gif/Yvette, France
Abstract : A new method based on active vibration control is proposed to investigate fluidelastic coupling effects beyond fluidelastic instability. This active control method allows to extend the range of flow velocity explored for single input-single output control systems. The method is applied on a flexible tube inserted in a rigid bundle in water and air-water cross-flows. This structure becomes unstable for high flow velocities, fluidelastic forces then causing the damping of the fluid-structure system to fall towards zero. The active control method allows to carry out tests beyond the fluidelastic instability. The flow velocity range explored is doubled in two-phase flow.
Type de document :
Article dans une revue
Journal of Pressure Vessel Technology, American Society of Mechanical Engineers, 2003, 125 (2), pp.165-170. 〈10.1115/1.1561451〉
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https://hal-polytechnique.archives-ouvertes.fr/hal-01024948
Contributeur : Denis Roura <>
Soumis le : jeudi 17 juillet 2014 - 13:14:08
Dernière modification le : mardi 11 décembre 2018 - 13:32:02

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S. Caillaud, Emmanuel De Langre, F. Baj. Active vibration control for the measurement of fluidelastic effects. Journal of Pressure Vessel Technology, American Society of Mechanical Engineers, 2003, 125 (2), pp.165-170. 〈10.1115/1.1561451〉. 〈hal-01024948〉

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