STUDY OF TWO VORTEX SUPPRESSION DEVICES FOR FITTING TO MARINE RISERS.

R. G. Airey, G. C. Hartnup, D. Stewart

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The paper describes experiments performed to evaluate the performance of two vortex suppression devices fitted to a flexible tubular model in conditions of waves and current. The results are compared between suppressed and unsuppressed models on the basis of drag, lateral force, displacements and bending moments. The two devices considered are a simple helical strake, and the axial rod cage suggested by Dr. M. M. Zdravkovich of Salford University. The axial rod cage shows excellent vortex suppression characteristics.

Original languageEnglish
Title of host publicationProceedings of the International Offshore Mechanics and Arctic Engineering Symposium
Pages245-251
Number of pages7
Volume2
Publication statusPublished - 1988

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