EFFECT OF MARINE GROWTH ON AN ELASTICALLY MOUNTED CIRCULAR CYLINDER

被引：0

作者：

Skaugset, Kjetil ^{[1
]}

Baarholm, Rolf ^{[1
]}

机构：

[1] StatoilHydro Res Ctr, Trondheim, Norway

来源：

PROCEEDINGS OF THE 27TH INTERNATIONAL CONFERENCE ON OFFSHORE MECHANICS AND ARCTIC ENGINEERING - 2008, VOL 5 | 2008年

关键词：

Vortex-induced vibrations; helical strakes; marine growth; experiments;

D O I：

暂无

中图分类号：

U6 [水路运输]; P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

The Riser and Mooring project of the Norwegian Deepwater Programme (NDP) has undertaken a parametric study on the infiuence of marine growth on the effectiveness of helical strakes to suppress vortex-induced vibrations on circular cylinders. Helical strakes are one of the most commonly used devices to suppress vortex-induced vibrations (VIV) on marine risers. The aim is provide guidance on the effect marine growth has on the dynamic response of a riser fitted with such VIV suppression devices. The tests were conducted at MARINTEK in a controlled laboratory environment. Artificial marine growth was modelled, manufactured and tested. Both hard and soft marine growth of various heights and coverages were tested. The present paper discusses some results obtained in this test campaign.

引用

页码：855 / 861

页数：7

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