Article Dans Une Revue (Data Paper) SEANOE = Sea scientific open data publication Année : 2025

Experimental Database of Loads and Wake of a Single Horizontal Axis Tidal Turbine (HATT) Immersed in Two Different Wave and Current Conditions

Résumé

The present database is derived from experiments conducted on a single three-bladed horizontal axis tidal turbine (HATT) immersed at half the water depth of the IFREMER wave and current flume tank at Boulogne-sur-mer. The turbine model is subjected to wave and current conditions. The two studied wave cases are defined by their propagation direction either following (FO) or opposing (OP) the current direction. Wave-generation induces upstream flow modifications. To evaluate the inflow conditions a pre-campaign of flow characterisation is performed without the turbine. The experimental database with the immersed turbine comprises both flow and loads measurements. Flow is monitored using a three-component Laser Doppler Velocimeter (3C-LDV). Numerous LDV acquisitions are performed to cover the fluid domain upstream and downstream of the turbine enabling the reconstruction of maps of diverse velocity-based quantities. Three wave probes aligned with the turbine rotation axis monitor the free surface elevation. Loads on the turbine rotor are acquired using a shaft transducer to measure global torque and thrust. In addition, each blade root is equipped with a five-component load cell to record local forces and moments. These experiments continue work initiated at IFREMER wave and current flume tank over a decade ago. Furthermore, the present database fills a gap in the study of HATT wakes in wave and current conditions by delivering time-resolved data in the fluid domain. A study based on the present database (Dufour et al. 2026) is currently under review.

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hal-05434364 , version 1 (28-01-2026)

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Marc-Amaury Dufour, Benoît Gaurier, Grégory Germain, Jean-Valéry Facq, Benoît Gomez, et al.. Experimental Database of Loads and Wake of a Single Horizontal Axis Tidal Turbine (HATT) Immersed in Two Different Wave and Current Conditions. SEANOE = Sea scientific open data publication, 2025, ⟨10.17882/111192⟩. ⟨hal-05434364⟩
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