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On splitter plate coverage for suppression of vortex-induced vibrations of flexible cylinders
Institution:1. Department of Mathematics, Lehigh University, Bethlehem, PA 18015, USA;2. Division of Applied Mathematics, Brown University, Providence, RI 02912, USA;3. Department of Mechanical Engineering, MIT, Cambridge, MA 02139, USA;4. Chevron Energy Technology Company, Houston, TX 77002, USA;5. Consultant, USA;1. Dept. of Naval Arch. & Ocean Eng., University of São Paulo, São Paulo, Brazil;2. Department of Aeronautics, Imperial College, London, UK;1. Dept. of Naval Arch. and Ocean Eng., University of São Paulo, São Paulo, Brazil;2. Department of Aeronautics, Imperial College, London, UK;3. BP America Production Company, Houston, USA
Abstract:Experimental results show how vortex-induced vibration (VIV) amplitudes of flexible cylinders can be reduced up to a 90% by covering less than half of the length of the cylinder with splitter plates elastically mounted to the surface of the cylinder.The VIV amplitude reduction takes place along with drag coefficient reductions of up to a 50% for the reduced velocities investigated.
Keywords:Suppression  Vortex-induced vibration  Vortex shedding  Marine risers  Splitter plates
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