Galloping instability and control of a rigid pendulum in a flowing soap film
MAZZINO, Andrea
Dipartimento di Ingegneria Civile, Chimica e Ambientale [Genova] [DICCA]
INFN and CINFAI Consortium, Genova Section
Dipartimento di Ingegneria Civile, Chimica e Ambientale [Genova] [DICCA]
INFN and CINFAI Consortium, Genova Section
MAZZINO, Andrea
Dipartimento di Ingegneria Civile, Chimica e Ambientale [Genova] [DICCA]
INFN and CINFAI Consortium, Genova Section
< Réduire
Dipartimento di Ingegneria Civile, Chimica e Ambientale [Genova] [DICCA]
INFN and CINFAI Consortium, Genova Section
Langue
en
Article de revue
Ce document a été publié dans
Journal of Fluids and Structures. 2015-07, vol. 56, p. 124-133
Elsevier
Résumé en anglais
A pendulum suspended in a fast flowing soap film may show sustained oscillations. The conditions necessary for self excited motion to occur are outlined: a flow velocity above a threshold value along with geometrical ...Lire la suite >
A pendulum suspended in a fast flowing soap film may show sustained oscillations. The conditions necessary for self excited motion to occur are outlined: a flow velocity above a threshold value along with geometrical constraints. The role of vortex shedding is discussed, and the observed instability is shown to be well described by the galloping instability. Experimental results are supported by numerical simulations. Furthermore, we observe that the instability may be suppressed by attaching a long enough filament to the rear of the pendulum.< Réduire
Mots clés en anglais
Fluid-structure interaction
Galloping
Flow Control
Origine
Importé de halUnités de recherche