VIV on Risers with Top-tensioning Buoyancy-cans. Part 2: Experimental Modelling

Abstract : A large scale (1/60) experiment has been conducted in order to study fluid - structure interactions within an array of risers tensioned by mean of buoyancy-cans. Similitude rules have been derived assuming a pendulum like motion of the rigid Air Cans Assembly at the top of the riser, leading to define different models associated to each structural mode of the full-scale configuration. Vortex Induced Vibrations (V.I.V.) and Wake Interactions within the array have been measured. Experimental results concerning lock-in region, in term of reduced velocity and maximum vibration amplitudes are presented together with time domain series.
Type de document :
Communication dans un congrès
Thirteenth International Offshore and Polar Engineering Conference, May 2003, Honolulu, United States. International Society of Offshore and Polar Engineers, pp.1960-1967, 2003
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Contributeur : Denis Roura <>
Soumis le : dimanche 20 juillet 2014 - 19:28:24
Dernière modification le : mardi 15 mai 2018 - 14:50:02

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Jean-Pierre Morel, M. Repecaud, G. Damy, E. Fontaine, Y. Stassen, et al.. VIV on Risers with Top-tensioning Buoyancy-cans. Part 2: Experimental Modelling. Thirteenth International Offshore and Polar Engineering Conference, May 2003, Honolulu, United States. International Society of Offshore and Polar Engineers, pp.1960-1967, 2003. 〈hal-01026051〉

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