Spar with improved VIV performance

Ships – Floating platform

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441 28, B63B 3544

Patent

active

060924837

ABSTRACT:
A method for reducing VIV is disclosed for a spar platform having a deck, a cylindrical hull having a buoyant tank assembly, a counterweight and an counterweight spacing structure. The overall aspect ratio of the hull is reduced by providing one or more abrupt changes in hull diameter below the waterline.

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