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Math. Comput. Appl. 2011, 16(3), 630-640; doi:10.3390/mca16030630

Modelling the Interaction between Water Waves and the Oscillating Water Column Wave Energy Device

Mechanical Engineering Department, Faculty of Engineering, Ege University, 35100 Bornova, Izmir, Turkey
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Published: 1 December 2011
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Abstract

The interaction between regular water waves and the oscillating water column (OWC) geometry is presented in this work. The OWC has a vertical cylindrical geometry, with walls of negligible thickness. Water waves are generated in a numerical wave tank, with the commercial CFD code Fluent, where the dynamic mesh feature and the VOF Model is used for wave generation and the water-air interaction, respectively. The flow is assumed to be viscous, unsteady and incompressible for the numerical model. To focus on the flow inside, 3D, single phase modelling of the OWC device itself is handled by adopting a piston-like pumping flow, using the free surface elevation data found in the former model as an input. To validate the results, a simplified theoretical model of a wave energy converter, namely the Japanese multi- OWC barge Kaimei is used. The theoretical model is based on the theory of a compressible air flow where the free surface elevation is assumed to be one dimensional.
Keywords: Ocean Wave Energy; Oscillating Water Column; Computational Fluid Dynamics; Numerical Wave Tank Ocean Wave Energy; Oscillating Water Column; Computational Fluid Dynamics; Numerical Wave Tank
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Şentürk, U.; Özdamar, A. Modelling the Interaction between Water Waves and the Oscillating Water Column Wave Energy Device. Math. Comput. Appl. 2011, 16, 630-640.

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