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Caractérisation d'effets de sillage rencontrés en milieu offshore
The hydrodynamic interactions between several cylinders placed in close proximity in a steady flow are the subject of many studies, because of the strong loads that they create on these structures. For flexible or mobile structures, the wake effects can produce large amplitudes motions that can lead to clashes between the cylinders. To better understand these phenomena, an experimental study was carried out, bearing on the interaction between two models of tensioning buoy supporting hybrid risers. After checking that the models used were able to correctly reproduce the VIV motion on a single cylinder, the response of two cylinders in tandem arrangement was studied. A detailed study of the observed clashing phases for several initial spacing is presented here.
Caractérisation d'effets de sillage rencontrés en milieu offshore
The hydrodynamic interactions between several cylinders placed in close proximity in a steady flow are the subject of many studies, because of the strong loads that they create on these structures. For flexible or mobile structures, the wake effects can produce large amplitudes motions that can lead to clashes between the cylinders. To better understand these phenomena, an experimental study was carried out, bearing on the interaction between two models of tensioning buoy supporting hybrid risers. After checking that the models used were able to correctly reproduce the VIV motion on a single cylinder, the response of two cylinders in tandem arrangement was studied. A detailed study of the observed clashing phases for several initial spacing is presented here.
Caractérisation d'effets de sillage rencontrés en milieu offshore
Germain, Grégory (author) / Gaurier, Benoît (author) / Le Boulluec, Marc (author) / Giry, Eric (author) / Fontaine, Emmanuel (author)
European Journal of Environmental and Civil Engineering ; 12 ; 561-572
2008-05-01
12 pages
Article (Journal)
Electronic Resource
Unknown
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