Blade-explicit fluid structure interaction of a ducted high-solidity tidal turbine

Borg, Mitchell G. and Xiao, Qing and Incecik, Atilla and Allsop, Steven and Peyrard, Christophe (2019) Blade-explicit fluid structure interaction of a ducted high-solidity tidal turbine. In: 7th Oxford Tidal Energy Workshop, 2019-04-08 - 2019-04-09.

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Abstract

This work elaborates a computational fluid dynamic (CFD) model utilised in the investigation of the structural performance concerning a ducted high-solidity tidal turbine in aligned and yawed inlet flows. Analysing the hydrodynamic performance at aligned flows portrayed the distinctive power curve at which energy is transferred via the fluid-structure interaction. At distinct bearing angles with the axis of the turbine, variations in the blade-interaction due to the presence of the duct was acknowledged within a limited angular range at distinct tip-speed ratio values. As a result of the hydrodynamic analysis, a structural investigation of the blades was discretely evaluated in an effort to acknowledge fluid-structure phenomena.

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