Water flowing through a netting panel imposes a load. which is transmitted supporting frame, collar and mooring system. The load on nets. used in aquaculture: has been shown to be dependent upon the nature of the material used the hapc arj the mesh, current velocity. Th e water density. Another element very significant for it is the formation of tabuling incrustation. Instrumentation was developed to measure the hydrodynamic thrust on netting and assembled on a circular tank for tests. The system comprises an engine. a with strain-gauge dynamometer that moves then panel with a variable speed from 0.1 m/s. and a data logger. The purpose of this study want to determine the hydrodynamic thrust for nets of e used size in off-shore mariculture and put in evidence the thrust difference fouling
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