Numerical and Experimental Study of the Interaction Between Two Marine Current TurbinesReportar como inadecuado

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1 LOMC - Laboratoire Ondes et Milieux Complexes 2 IFREMER, ERT-HO, 3 LMR - Laboratoire de mécanique de Rouen

Abstract : The understanding of interaction effects between marine energy converters represents the next step in the research process that should eventually lead to the deployment of such devices. Although some a priori considerations have been suggested recently, very few real condition studies have been carried out concerning this issue. We therefore ran trials on 1-30th scale models of three-bladed marine current turbine prototypes in a flume tank. Our work focuses on the case where a turbine is placed at different locations in the wake of a first device. The interaction effects in terms of performance and wake of the second turbine are examined and compared to the results obtained on single-device configurations. Besides, we are currently developing a three-dimensional code based on a vortex method, which will be used in the near future to model more complex layouts. The experimental study shows that the second turbine is deeply affected by the presence of an upstream device and that a compromise between individual device performance and inter-device spacing is necessary. Numerical results show good agreement with the experiment and are promising for the future modelling of turbine farms.

Keywords : Marine current turbine Array Interaction effects Vortex method Laser Doppler Velocimetry

Autor: Paul Mycek - Benoît Gaurier - Grégory Germain - Grégory Pinon - E. Rivoalen -



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