Investigating the performance of glass fibre-reinforced polymer (GFRP) in the marine environment for tidal energy : velocity, particle size, impact angle and exposure time effects

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Algaddaime, Talal F. and Hassan, Emadelddin and Stack, Margaret M. (2024) Investigating the performance of glass fibre-reinforced polymer (GFRP) in the marine environment for tidal energy : velocity, particle size, impact angle and exposure time effects. Lubricants, 12 (11). 375. ISSN 2075-4442 (https://doi.org/10.3390/lubricants12110375)

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Abstract

Tidal energy, with its potential to provide a consistent energy output and reduce carbon emissions, has garnered significant interest. This study, which evaluates the performance of tidal turbine blades in seawater conditions and with sand particles, presents a novel approach. A slurry rig was developed to examine composite materials, and a glass fibre-reinforcement polymeric material was tested over a range of particle sizes, velocities, and impact angles. In addition, this paper used a new test protocol with 14 days (336 h) and 91 days (2184 h) of pre-exposure time of materials before testing. The results, which show significant changes in the erosive mechanisms of GFRP in short- and long-term pre-exposure time as a function of these variables, have profound implications for the design and performance of tidal turbine blades. The study also utilised scanning electron microscopy (SEM), depth profiling analysis, and erosion mapping techniques to compare the erosion behaviours of GFRP. These tools can be used to optimise such materials in tidal turbine conditions.

ORCID iDs

Algaddaime, Talal F., Hassan, Emadelddin and Stack, Margaret M. ORCID logoORCID: https://orcid.org/0000-0001-6535-6014;
CORE (COnnecting REpositories)