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TY - CONF TI - A low-order wake interaction model for ocean current turbine arrays operating in turbulent flow T2 - 73rd Annual Meeting of the APS Division of Fluid Dynamics AB - Ocean Current Turbines (OCTs), which function similarly to wind and tidal turbines, represent a promising technology for harnessing the energy from oceanic currents. The power extracted by the turbines can be significantly affected by the turbulence intensity in the upstream flow. For turbines distributed in an arrayed configuration, the highly turbulent wakes behind each upstream turbine must also be considered. In this presentation, we describe a low-order analytical wake interaction model capable of estimating the total array power of OCTs operating in any stacked configuration, and embedded in a flow with Turbulence Intensity (TI). The model incorporates both near and far-wake effects associated with each turbine, and has been validated using high-resolution Large Eddy Simulations (LES) performed using the STAR-CCM software. The simulations were driven by realistic ocean turbulence conditions derived from Gulf Stream current measurements. The analytic model was validated over a wide range of turbulence intensities and OCT array configurations, and can also be applied to evaluate the performance of wind turbine installations. C3 - Bulletin of the American Physical Society DA - 2020/11/22/ PY - 2020 DP - meetings.aps.org PB - American Physical Society UR - https://meetings.aps.org/Meeting/DFD20/Session/G03.14 Y2 - 2020/10/19/07:43:59 ER -