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All Journal ASEAN Journal for Science and Engineering in Materials
Nik, Wan Mohd Norsani Wan
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Experimental and Bibliometric Analysis of Truncated Cone Fouling Suppression Device for Vortex-Induced Vibration Control in Marine Structures Sukarnoor, Noor Idora Mohd; Nik, Wan Mohd Norsani Wan; Hussain, Ahmad; Quen, Lee Kee; Saris, Nur Najahatul Huda; Jusoh, Suriani Mat; Zulkifli, Fakhratul Ridwan
ASEAN Journal for Science and Engineering in Materials Vol 5, No 2 (2026): AJSEM: Volume 5, Issue 2, September 2026
Publisher : Bumi Publikasi Nusantara

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Abstract

Vortex-induced vibration (VIV) poses a critical threat to the integrity and fatigue life of marine and offshore structures. This study evaluates the effectiveness of a truncated cone fouling suppression device in reducing VIV of a low-mass ratio circular cylinder. Experiments were performed in a circulating water flume at Reynolds numbers ranging from 8,000 to 45,000, using various surface coverage ratios. The vibration amplitude and frequency responses were analyzed to determine suppression performance. Results showed that the device reduced oscillation amplitude by up to 68% within the lock-in region, with optimal suppression observed at 25-50% coverage. This indicates that partial surface modification enhances flow–structure interaction and weakens wake coherence. Furthermore, a bibliometric analysis was integrated to identify research trends and gaps in passive vibration control. The present approach provides both scientific and practical insights for developing low-drag, efficient, and sustainable VIV mitigation strategies in marine engineering.
Co-Authors Hussain, Ahmad Jusoh, Suriani Mat Quen, Lee Kee Saris, Nur Najahatul Huda Sukarnoor, Noor Idora Mohd Zulkifli, Fakhratul Ridwan