Investigation of macro-turbulent flow structures interaction with a vertical hydrokinetic river turbine

AH Birjandi, J Woods, EL Bibeau – Renewable Energy, December 2012

► Velocity measurements upstream of a 25-kW vertical turbine in a river are obtained. ► Solutions for ADV signal quality and signal despiking provided. ► Inflow is non-uniform and contains large eddies in the river. ► Operating turbine increases turbulence intensity and breaks large eddies in upstream. ► Higher turbulence intensity induces higher levels of fatigue damage.



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