FN Archimer Export Format PT C TI Numerical characterisation of the wake generated by marine current turbines farm BT AF MAGANGA, Fabrice GERMAIN, Gregory PINON, Grégory RIVOALEN, Elie AS 1:1;2:2;3:1;4:2; FF 1:PDG-DOP-DCB-RDT-HO;2:PDG-DOP-DCB-RDT-HO;3:;4:; C1 Hydrodynamic & Metocean, IFREMER Boulogne-sur-Mer, France LOMC, FRE CNRS 3102, Université du Havre, France C2 IFREMER, FRANCE UNIV HAVRE, FRANCE SI BOULOGNE SE PDG-DOP-DCB-RDT-HO UR https://archimer.ifremer.fr/doc/00022/13367/10391.pdf LA English DT Proceedings paper AB Numerical results for the wake of a three bladed horizontal axis turbine in a uniform free upstream current are presented. A three-dimensional software, taking into account the non stationary evolution of the wake emitted by turbine blades is developed in order to assess the disturbances generated on the sea-bed and on the free surface. An unsteady Lagrangian method is considered for these simulations using Vortex Method. The vortex ow is discretised with particles carrying vorticity, which are advected in a Lagrangian frame. PY 2008 CT 2nd International Conference on Ocean Energy (ICOE 2008), 15th – 17th October 2008, Brest, France ID 13367 ER EF