Hydrodynamics of marine current turbines

Batten, W.M.J., Bahaj, A.S., Molland, A.F. and Chaplin, J.R. (2004) Hydrodynamics of marine current turbines. In Proceedings of the 8th World Renewable Energy Congress (WREC VIII). Elsevier Science. 3000 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

Various global studies have shown that marine currents have large potential as a predictable sustainable resource for commercial scale generation of electrical power. For successful exploitation of this resource, understanding of the hydrodynamics of the marine current turbine is of primary importance. Although a lot can be learned from, the technology transfer of wind turbines and ship propellers, there has been scarcely any research for this application. The current research has judged the performance of 2D section shapes, suitable for turbine blades, experimentally in a cavitation tunnel and with numerical simulations. Based upon this and other 2D data a methodology is presented for the hydrodynamic design of marine current turbines. A model of a typical 3D rotor will be compared with future towing tank and 3D cavitation tunnel experiments.

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