Numerical simulation of the wake of marine current turbines with a particle method

Type Article
Date 2012-10
Language English
Author(s) Pinon Gregory1, Mycek Paul1, 2, Germain GregoryORCID2, Rivoalen Elie1, 3
Affiliation(s) 1 : Univ Havre, CNRS, UMR 6294, Lab Ondes & Milieux Complexes, F-76058 Le Havre, France.
2 : IFREMER, Hydrodynam & Metocean Serv 150, F-62321 Boulogne Sur Mer, France.
3 : INSA, Lab Optimisat & Fiabilite Mecan Struct, EA 3828, F-76801 St Etienne, France.
Source Renewable Energy (0960-1481) (Pergamon-elsevier Science Ltd), 2012-10 , Vol. 46 , P. 111-126
DOI 10.1016/j.renene.2012.03.037
WOS© Times Cited 47
Keyword(s) Numerical computations, Marine current turbine, Hydrodynamic, Power and thrust coefficients, Wake
Abstract This paper presents numerical computations of three bladed horizontal axis marine current turbines in a uniform free upstream current. The unsteady evolution of the turbine wake is taken into account by some three-dimensional software, developed to assess the disturbances generated in the sea. An unsteady Lagrangian method is considered for these computations using "Vortex Method": a velocity-vorticity numerical implementation of the Navier-Stokes equations. The vortex flow is discretised with particles carrying vorticity, which are advected in a Lagrangian frame. The present paper aims at presenting results on both power and thrust coefficient (C-p and C-T) predictions and wake characterisation, up to ten diameters downstream of the turbine. Moreover, two different marine current turbines configurations are considered: one is taken from literature [1] and the second one is an open-modified version of turbine inspired from previous works [2]. (C) 2012 Elsevier Ltd. All rights reserved.
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