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Flume tank characterization of marine current turbine blade behaviour under current and wave loading

descriptionPublicationkeyboard_double_arrow_right Article , Journal , Other literature type 01 Nov 2013 France Publisher:Elsevier BVJournal:Renewable Energy, volume 59, pages 1-12 (issn: 0960-1481,

Authors: Peter Davies; Grégory Germain; Grégory Germain; Albert Deuff; Benoît Gaurier; Benoît Gaurier;

doi: 10.1016/j.renene.2013.02.026

Flume tank characterization of marine current turbine blade behaviour under current and wave loading

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Abstract

The long term reliability of tidal turbines is critical if these structures are to be cost-effective. Optimized design requires a combination of material durability models and structural analyses which must be based on realistic loading conditions. This paper presents results from a series of flume tank measurements on strain gauged scaled turbine blades, aimed at studying these conditions. A detailed series of tests on a 3-blade horizontal axis turbine with 400 mm long blades is presented. The influence of both current and wave-current interactions on measured strains is studied. These tests show that wave-current interactions can cause large additional loading amplitudes compared to currents alone, which must be considered in the fatigue analysis of these systems.

Country

France

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Keywords

Marine current turbine, Wave and current effects, Blade deformations, Hydrodynamic, Experimental trials, [SDU] Sciences of the Universe [physics]

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	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%